Python tf_util.conv1d() Examples
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Example #1
Source File: pointnet2_part_seg.py From dfc2019 with MIT License | 6 votes |
def get_model(point_cloud, is_training, bn_decay=None): """ Part segmentation PointNet, input is BxNx6 (XYZ NormalX NormalY NormalZ), output Bx50 """ batch_size = point_cloud.get_shape()[0].value num_point = point_cloud.get_shape()[1].value end_points = {} l0_xyz = tf.slice(point_cloud, [0,0,0], [-1,-1,3]) l0_points = tf.slice(point_cloud, [0,0,3], [-1,-1,3]) # Set Abstraction layers l1_xyz, l1_points, l1_indices = pointnet_sa_module(l0_xyz, l0_points, npoint=512, radius=0.2, nsample=64, mlp=[64,64,128], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer1') l2_xyz, l2_points, l2_indices = pointnet_sa_module(l1_xyz, l1_points, npoint=128, radius=0.4, nsample=64, mlp=[128,128,256], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer2') l3_xyz, l3_points, l3_indices = pointnet_sa_module(l2_xyz, l2_points, npoint=None, radius=None, nsample=None, mlp=[256,512,1024], mlp2=None, group_all=True, is_training=is_training, bn_decay=bn_decay, scope='layer3') # Feature Propagation layers l2_points = pointnet_fp_module(l2_xyz, l3_xyz, l2_points, l3_points, [256,256], is_training, bn_decay, scope='fa_layer1') l1_points = pointnet_fp_module(l1_xyz, l2_xyz, l1_points, l2_points, [256,128], is_training, bn_decay, scope='fa_layer2') l0_points = pointnet_fp_module(l0_xyz, l1_xyz, tf.concat([l0_xyz,l0_points],axis=-1), l1_points, [128,128,128], is_training, bn_decay, scope='fa_layer3') # FC layers net = tf_util.conv1d(l0_points, 128, 1, padding='VALID', bn=True, is_training=is_training, scope='fc1', bn_decay=bn_decay) end_points['feats'] = net net = tf_util.dropout(net, keep_prob=0.5, is_training=is_training, scope='dp1') net = tf_util.conv1d(net, 50, 1, padding='VALID', activation_fn=None, scope='fc2') return net, end_points
Example #2
Source File: pointnet2_sem_seg_one_feat.py From dfc2019 with MIT License | 5 votes |
def get_model(point_cloud, is_training, num_class, bn_decay=None): """ Semantic segmentation PointNet, input is BxNx4, output Bxnum_class """ batch_size = point_cloud.get_shape()[0].value num_point = point_cloud.get_shape()[1].value end_points = {} l0_xyz = tf.slice(point_cloud, [0,0,0], [-1,-1,3]) l0_points = tf.slice(point_cloud, [0,0,3], [-1,-1,1]) end_points['l0_xyz'] = l0_xyz # Layer 1 l1_xyz, l1_points, l1_indices = pointnet_sa_module(l0_xyz, l0_points, npoint=1024, radius=0.1, nsample=32, mlp=[32,32,64], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer1') l2_xyz, l2_points, l2_indices = pointnet_sa_module(l1_xyz, l1_points, npoint=256, radius=0.2, nsample=32, mlp=[64,64,128], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer2') l3_xyz, l3_points, l3_indices = pointnet_sa_module(l2_xyz, l2_points, npoint=64, radius=0.4, nsample=32, mlp=[128,128,256], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer3') l4_xyz, l4_points, l4_indices = pointnet_sa_module(l3_xyz, l3_points, npoint=16, radius=0.8, nsample=32, mlp=[256,256,512], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer4') # Feature Propagation layers l3_points = pointnet_fp_module(l3_xyz, l4_xyz, l3_points, l4_points, [256,256], is_training, bn_decay, scope='fa_layer1') l2_points = pointnet_fp_module(l2_xyz, l3_xyz, l2_points, l3_points, [256,256], is_training, bn_decay, scope='fa_layer2') l1_points = pointnet_fp_module(l1_xyz, l2_xyz, l1_points, l2_points, [256,128], is_training, bn_decay, scope='fa_layer3') l0_points = pointnet_fp_module(l0_xyz, l1_xyz, tf.concat([l0_xyz,l0_points],axis=-1), l1_points, [128,128,128], is_training, bn_decay, scope='fa_layer4') # FC layers net = tf_util.conv1d(l0_points, 128, 1, padding='VALID', bn=True, is_training=is_training, scope='fc1', bn_decay=bn_decay) end_points['feats'] = net net = tf_util.dropout(net, keep_prob=0.5, is_training=is_training, scope='dp1') net = tf_util.conv1d(net, num_class, 1, padding='VALID', activation_fn=None, scope='fc2') return net, end_points
Example #3
Source File: model.py From articulated-part-induction with MIT License | 5 votes |
def trans_pred_net(xyz, flow, scopename, reuse, is_training, bn_decay=None, nfea=12): ######################### # input # xyz: (B x N x 3) # flow: (B x N x 3) # output # pred_trans: (B x N x nfea) ######################### num_point = xyz.get_shape()[1].value with tf.variable_scope(scopename) as myscope: if reuse: myscope.reuse_variables() l0_xyz = xyz l0_points = flow # Set Abstraction layers l1_xyz, l1_points, l1_indices = pointnet_sa_module_msg(l0_xyz, l0_points, 256, [0.1,0.2], [64,64], [[64,64],[64,64],[64,128]], is_training, bn_decay, scope='trans_layer1', centralize_points=True) l2_xyz, l2_points, l2_indices = pointnet_sa_module(l1_xyz, l1_points, npoint=128, radius=0.4, nsample=64, mlp=[128,128,256], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='trans_layer2') l3_xyz, l3_points, l3_indices = pointnet_sa_module(l2_xyz, l2_points, npoint=None, radius=None, nsample=None, mlp=[256,512,1024], mlp2=None, group_all=True, use_xyz=True, is_training=is_training, bn_decay=bn_decay, scope='trans_layer3') # Feature Propagation layers l2_points = pointnet_fp_module(l2_xyz, l3_xyz, l2_points, l3_points, [256,256], is_training, bn_decay, scope='trans_fa_layer1') l1_points = pointnet_fp_module(l1_xyz, l2_xyz, l1_points, l2_points, [256,128], is_training, bn_decay, scope='trans_fa_layer2') l0_points = pointnet_fp_module(l0_xyz, l1_xyz, l0_points, l1_points, [128,128,64], is_training, bn_decay, scope='trans_fa_layer3') # FC layers net = tf_util.conv1d(l0_points, 64, 1, padding='VALID', bn=True, is_training=is_training, scope='trans_fc1', bn_decay=bn_decay) net = tf_util.conv1d(net, nfea, 1, padding='VALID', activation_fn=None, scope='trans_fc2') pred_trans = tf.reshape(net, [-1, num_point, nfea]) return pred_trans
Example #4
Source File: model.py From articulated-part-induction with MIT License | 5 votes |
def corrsfea_extractor(xyz, is_training, bn_decay, scopename, reuse, nfea=64): ############################ # input # xyz: (B x N x 3) # output # corrsfea: (B x N x nfea) ############################ num_point = xyz.get_shape()[1].value l0_xyz = xyz l0_points = l0_xyz with tf.variable_scope(scopename) as myscope: if reuse: myscope.reuse_variables() # Set Abstraction layers l1_xyz, l1_points, l1_indices = pointnet_sa_module_msg(l0_xyz, l0_points, 256, [0.1,0.2], [64,64], [[64,64],[64,64],[64,128]], is_training, bn_decay, scope='corrs_layer1') l2_xyz, l2_points, l2_indices = pointnet_sa_module(l1_xyz, l1_points, npoint=128, radius=0.4, nsample=64, mlp=[128,128,256], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='corrs_layer2') l3_xyz, l3_points, l3_indices = pointnet_sa_module(l2_xyz, l2_points, npoint=None, radius=None, nsample=None, mlp=[256,512,1024], mlp2=None, group_all=True, use_xyz=False, is_training=is_training, bn_decay=bn_decay, scope='corrs_layer3') # Feature Propagation layers l2_points = pointnet_fp_module(l2_xyz, l3_xyz, l2_points, l3_points, [256,256], is_training, bn_decay, scope='corrs_fa_layer1') l1_points = pointnet_fp_module(l1_xyz, l2_xyz, l1_points, l2_points, [256,128], is_training, bn_decay, scope='corrs_fa_layer2') l0_points = pointnet_fp_module(l0_xyz, l1_xyz, l0_points, l1_points, [128,128,64], is_training, bn_decay, scope='corrs_fa_layer3') # FC layers net = tf_util.conv1d(l0_points, 64, 1, padding='VALID', bn=True, is_training=is_training, scope='corrs_fc1', bn_decay=bn_decay) net = tf_util.conv1d(net, nfea, 1, padding='VALID', activation_fn=None, scope='corrs_fc2') corrsfea = tf.reshape(net, [-1, num_point, nfea]) return corrsfea
Example #5
Source File: pointnet2_sem_seg.py From path_invariance_map_network with BSD 3-Clause "New" or "Revised" License | 5 votes |
def get_model(point_cloud, is_training, num_class, bn_decay=None): """ Semantic segmentation PointNet, input is BxNx3, output Bxnum_class """ batch_size = point_cloud.get_shape()[0].value num_point = point_cloud.get_shape()[1].value end_points = {} l0_xyz = point_cloud l0_points = None end_points['l0_xyz'] = l0_xyz # Layer 1 l1_xyz, l1_points, l1_indices = pointnet_sa_module(l0_xyz, l0_points, npoint=1024, radius=0.1, nsample=32, mlp=[32,32,64], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer1') l2_xyz, l2_points, l2_indices = pointnet_sa_module(l1_xyz, l1_points, npoint=256, radius=0.2, nsample=32, mlp=[64,64,128], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer2') l3_xyz, l3_points, l3_indices = pointnet_sa_module(l2_xyz, l2_points, npoint=64, radius=0.4, nsample=32, mlp=[128,128,256], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer3') l4_xyz, l4_points, l4_indices = pointnet_sa_module(l3_xyz, l3_points, npoint=16, radius=0.8, nsample=32, mlp=[256,256,512], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer4') # Feature Propagation layers l3_points = pointnet_fp_module(l3_xyz, l4_xyz, l3_points, l4_points, [256,256], is_training, bn_decay, scope='fa_layer1') l2_points = pointnet_fp_module(l2_xyz, l3_xyz, l2_points, l3_points, [256,256], is_training, bn_decay, scope='fa_layer2') l1_points = pointnet_fp_module(l1_xyz, l2_xyz, l1_points, l2_points, [256,128], is_training, bn_decay, scope='fa_layer3') l0_points = pointnet_fp_module(l0_xyz, l1_xyz, l0_points, l1_points, [128,128,128], is_training, bn_decay, scope='fa_layer4') # FC layers net = tf_util.conv1d(l0_points, 128, 1, padding='VALID', bn=True, is_training=is_training, scope='fc1', bn_decay=bn_decay) end_points['feats'] = net net = tf_util.dropout(net, keep_prob=0.5, is_training=is_training, scope='dp1') net = tf_util.conv1d(net, num_class, 1, padding='VALID', activation_fn=None, scope='fc2') return net, end_points
Example #6
Source File: pointnet2_cls_partseg.py From scanobjectnn with MIT License | 5 votes |
def get_model(point_cloud, is_training, bn_decay=None, num_class = NUM_CLASSES): """ Part segmentation PointNet, input is BxNx3 (XYZ) """ batch_size = point_cloud.get_shape()[0].value num_point = point_cloud.get_shape()[1].value end_points = {} l0_xyz = tf.slice(point_cloud, [0,0,0], [-1,-1,3]) l0_points = None # Set Abstraction layers l1_xyz, l1_points, l1_indices = pointnet_sa_module(l0_xyz, l0_points, npoint=512, radius=0.2, nsample=64, mlp=[64,64,128], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer1') l2_xyz, l2_points, l2_indices = pointnet_sa_module(l1_xyz, l1_points, npoint=128, radius=0.4, nsample=64, mlp=[128,128,256], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer2') l3_xyz, l3_points, l3_indices = pointnet_sa_module(l2_xyz, l2_points, npoint=None, radius=None, nsample=None, mlp=[256,512,1024], mlp2=None, group_all=True, is_training=is_training, bn_decay=bn_decay, scope='layer3') ###########SEGMENTATION BRANCH # Feature Propagation layers l2_points = pointnet_fp_module(l2_xyz, l3_xyz, l2_points, l3_points, [256,256], is_training, bn_decay, scope='fa_layer1') l1_points = pointnet_fp_module(l1_xyz, l2_xyz, l1_points, l2_points, [256,128], is_training, bn_decay, scope='fa_layer2') l0_points = pointnet_fp_module(l0_xyz, l1_xyz, l0_points, l1_points, [128,128,128], is_training, bn_decay, scope='fa_layer3') # FC layers net = tf_util.conv1d(l0_points, 128, 1, padding='VALID', bn=True, is_training=is_training, scope='seg_fc1', bn_decay=bn_decay) end_points['feats'] = net net = tf_util.dropout(net, keep_prob=0.5, is_training=is_training, scope='seg_dp1') seg_pred = tf_util.conv1d(net, num_class, 1, padding='VALID', activation_fn=None, scope='seg_fc2') return seg_pred
Example #7
Source File: pointnet2_sem_seg_two_feat.py From dfc2019 with MIT License | 5 votes |
def get_model(point_cloud, is_training, num_class, bn_decay=None): """ Semantic segmentation PointNet, input is BxNx5, output Bxnum_class """ batch_size = point_cloud.get_shape()[0].value num_point = point_cloud.get_shape()[1].value end_points = {} l0_xyz = tf.slice(point_cloud, [0,0,0], [-1,-1,3]) l0_points = tf.slice(point_cloud, [0,0,3], [-1,-1,2]) end_points['l0_xyz'] = l0_xyz # Layer 1 l1_xyz, l1_points, l1_indices = pointnet_sa_module(l0_xyz, l0_points, npoint=1024, radius=0.1, nsample=32, mlp=[32,32,64], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer1') l2_xyz, l2_points, l2_indices = pointnet_sa_module(l1_xyz, l1_points, npoint=256, radius=0.2, nsample=32, mlp=[64,64,128], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer2') l3_xyz, l3_points, l3_indices = pointnet_sa_module(l2_xyz, l2_points, npoint=64, radius=0.4, nsample=32, mlp=[128,128,256], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer3') l4_xyz, l4_points, l4_indices = pointnet_sa_module(l3_xyz, l3_points, npoint=16, radius=0.8, nsample=32, mlp=[256,256,512], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer4') # Feature Propagation layers l3_points = pointnet_fp_module(l3_xyz, l4_xyz, l3_points, l4_points, [256,256], is_training, bn_decay, scope='fa_layer1') l2_points = pointnet_fp_module(l2_xyz, l3_xyz, l2_points, l3_points, [256,256], is_training, bn_decay, scope='fa_layer2') l1_points = pointnet_fp_module(l1_xyz, l2_xyz, l1_points, l2_points, [256,128], is_training, bn_decay, scope='fa_layer3') l0_points = pointnet_fp_module(l0_xyz, l1_xyz, tf.concat([l0_xyz,l0_points],axis=-1), l1_points, [128,128,128], is_training, bn_decay, scope='fa_layer4') # FC layers net = tf_util.conv1d(l0_points, 128, 1, padding='VALID', bn=True, is_training=is_training, scope='fc1', bn_decay=bn_decay) end_points['feats'] = net net = tf_util.dropout(net, keep_prob=0.5, is_training=is_training, scope='dp1') net = tf_util.conv1d(net, num_class, 1, padding='VALID', activation_fn=None, scope='fc2') return net, end_points
Example #8
Source File: pointnet2_part_seg_msg_one_hot.py From dfc2019 with MIT License | 5 votes |
def get_model(point_cloud, cls_label, is_training, bn_decay=None): """ Classification PointNet, input is BxNx3, output Bx40 """ batch_size = point_cloud.get_shape()[0].value num_point = point_cloud.get_shape()[1].value end_points = {} l0_xyz = tf.slice(point_cloud, [0,0,0], [-1,-1,3]) l0_points = tf.slice(point_cloud, [0,0,3], [-1,-1,3]) # Set abstraction layers l1_xyz, l1_points = pointnet_sa_module_msg(l0_xyz, l0_points, 512, [0.1,0.2,0.4], [32,64,128], [[32,32,64], [64,64,128], [64,96,128]], is_training, bn_decay, scope='layer1') l2_xyz, l2_points = pointnet_sa_module_msg(l1_xyz, l1_points, 128, [0.4,0.8], [64,128], [[128,128,256],[128,196,256]], is_training, bn_decay, scope='layer2') l3_xyz, l3_points, l3_indices = pointnet_sa_module(l2_xyz, l2_points, npoint=None, radius=None, nsample=None, mlp=[256,512,1024], mlp2=None, group_all=True, is_training=is_training, bn_decay=bn_decay, scope='layer3') # Feature propagation layers l2_points = pointnet_fp_module(l2_xyz, l3_xyz, l2_points, l3_points, [256,256], is_training, bn_decay, scope='fa_layer1') l1_points = pointnet_fp_module(l1_xyz, l2_xyz, l1_points, l2_points, [256,128], is_training, bn_decay, scope='fa_layer2') cls_label_one_hot = tf.one_hot(cls_label, depth=NUM_CATEGORIES, on_value=1.0, off_value=0.0) cls_label_one_hot = tf.reshape(cls_label_one_hot, [batch_size, 1, NUM_CATEGORIES]) cls_label_one_hot = tf.tile(cls_label_one_hot, [1,num_point,1]) l0_points = pointnet_fp_module(l0_xyz, l1_xyz, tf.concat([cls_label_one_hot, l0_xyz, l0_points],axis=-1), l1_points, [128,128], is_training, bn_decay, scope='fp_layer3') # FC layers net = tf_util.conv1d(l0_points, 128, 1, padding='VALID', bn=True, is_training=is_training, scope='fc1', bn_decay=bn_decay) end_points['feats'] = net net = tf_util.dropout(net, keep_prob=0.5, is_training=is_training, scope='dp1') net = tf_util.conv1d(net, 50, 1, padding='VALID', activation_fn=None, scope='fc2') return net, end_points
Example #9
Source File: pointnet2_sem_seg.py From dfc2019 with MIT License | 5 votes |
def get_model(point_cloud, is_training, num_class, bn_decay=None): """ Semantic segmentation PointNet, input is BxNx3, output Bxnum_class """ batch_size = point_cloud.get_shape()[0].value num_point = point_cloud.get_shape()[1].value end_points = {} l0_xyz = point_cloud l0_points = None end_points['l0_xyz'] = l0_xyz # Layer 1 l1_xyz, l1_points, l1_indices = pointnet_sa_module(l0_xyz, l0_points, npoint=1024, radius=0.1, nsample=32, mlp=[32,32,64], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer1') l2_xyz, l2_points, l2_indices = pointnet_sa_module(l1_xyz, l1_points, npoint=256, radius=0.2, nsample=32, mlp=[64,64,128], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer2') l3_xyz, l3_points, l3_indices = pointnet_sa_module(l2_xyz, l2_points, npoint=64, radius=0.4, nsample=32, mlp=[128,128,256], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer3') l4_xyz, l4_points, l4_indices = pointnet_sa_module(l3_xyz, l3_points, npoint=16, radius=0.8, nsample=32, mlp=[256,256,512], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer4') # Feature Propagation layers l3_points = pointnet_fp_module(l3_xyz, l4_xyz, l3_points, l4_points, [256,256], is_training, bn_decay, scope='fa_layer1') l2_points = pointnet_fp_module(l2_xyz, l3_xyz, l2_points, l3_points, [256,256], is_training, bn_decay, scope='fa_layer2') l1_points = pointnet_fp_module(l1_xyz, l2_xyz, l1_points, l2_points, [256,128], is_training, bn_decay, scope='fa_layer3') l0_points = pointnet_fp_module(l0_xyz, l1_xyz, l0_points, l1_points, [128,128,128], is_training, bn_decay, scope='fa_layer4') # FC layers net = tf_util.conv1d(l0_points, 128, 1, padding='VALID', bn=True, is_training=is_training, scope='fc1', bn_decay=bn_decay) end_points['feats'] = net net = tf_util.dropout(net, keep_prob=0.5, is_training=is_training, scope='dp1') net = tf_util.conv1d(net, num_class, 1, padding='VALID', activation_fn=None, scope='fc2') return net, end_points
Example #10
Source File: model_rpointnet.py From GSPN with MIT License | 5 votes |
def classification_head(pc, pc_fea, num_category, mlp_list, mlp_list2, is_training, bn_decay, scope, bn=True): ''' Classification head for both class id prediction and bbox delta regression Inputs: pc: [B, NUM_ROIS, NUM_POINT_PER_ROI, 3] pc_fea: [B, NUM_ROIS, NUM_POINT_PER_ROI, NFEA] num_category: scalar Returns: logits: [B, NUM_ROIS, NUM_CATEGORY] probs: [B, NUM_ROIS, NUM_CATEGORY] bbox_deltas: [B, NUM_ROIS, NUM_CATEGORY, (dz, dy, dx, log(dh), log(dw), log(dl))] ''' with tf.variable_scope(scope) as myscope: num_rois = pc.get_shape()[1].value grouped_points = tf.concat((pc_fea, pc), -1) for i,num_out_channel in enumerate(mlp_list): grouped_points = tf_util.conv2d(grouped_points, num_out_channel, [1, 1], padding='VALID', stride=[1,1], bn=bn, is_training=is_training, scope='conv_prev_%d'%i, bn_decay=bn_decay) new_points = tf.reduce_max(grouped_points, axis=2) for i,num_out_channel in enumerate(mlp_list2): new_points = tf_util.conv1d(new_points, num_out_channel, 1, padding='VALID', stride=1, bn=bn, is_training=is_training, scope='conv_post_%d'%i, bn_decay=bn_decay) logits = tf_util.conv1d(new_points, num_category, 1, padding='VALID', stride=1, scope='conv_classify', activation_fn=None) probs = tf.nn.softmax(logits, 2) bbox_deltas = tf_util.conv1d(new_points, num_category*6, 1, padding='VALID', stride=1, scope='conv_bbox_regress', activation_fn=None) bbox_deltas = tf.reshape(bbox_deltas, [-1, num_rois, num_category, 6]) return logits, probs, bbox_deltas
Example #11
Source File: model_rpointnet.py From GSPN with MIT License | 5 votes |
def fea_trans_net(input_fea, mlp_list, scope, is_training, bn_decay): with tf.variable_scope(scope) as myscope: net = input_fea nlayer = len(mlp_list) for i,num_out_channel in enumerate(mlp_list): if i<nlayer-1: net = tf_util.conv1d(net, num_out_channel, 1, padding='VALID', bn=True, is_training=is_training, scope='conv%d'%i, bn_decay=bn_decay) else: net = tf_util.conv1d(net, num_out_channel, 1, padding='VALID', activation_fn=None, scope='conv%d'%i) return net
Example #12
Source File: model_part_seg_meteor_direct.py From meteornet with MIT License | 5 votes |
def get_model(point_cloud, num_frames, is_training, bn_decay=None): """ Semantic segmentation PointNet, input is BxNx3, output Bxnum_class """ end_points = {} batch_size = point_cloud.get_shape()[0].value num_point = point_cloud.get_shape()[1].value // num_frames l0_xyz = point_cloud[:, :, 0:3] l0_time = tf.concat([tf.ones([batch_size, num_point, 1]) * i for i in range(num_frames)], \ axis=-2) l0_points = tf.concat([point_cloud[:, :, 3:], l0_time], axis=-1) RADIUS1 = np.array([0.98, 0.99, 1.0], dtype='float32') RADIUS2 = RADIUS1 * 2 RADIUS3 = RADIUS1 * 4 RADIUS4 = RADIUS1 * 8 l1_xyz, l1_time, l1_points, l1_indices = meteor_direct_module(l0_xyz, l0_time, l0_points, npoint=2048, radius=RADIUS1, nsample=32, mlp=[32,32,128], mlp2=None, group_all=False, knn=False, is_training=is_training, bn_decay=bn_decay, scope='layer1') l2_xyz, l2_time, l2_points, l2_indices = meteor_direct_module(l1_xyz, l1_time, l1_points, npoint=512, radius=RADIUS2, nsample=32, mlp=[64,64,256], mlp2=None, group_all=False, knn=False, is_training=is_training, bn_decay=bn_decay, scope='layer2') l3_xyz, l3_time, l3_points, l3_indices = meteor_direct_module(l2_xyz, l2_time, l2_points, npoint=128, radius=RADIUS3, nsample=32, mlp=[128,128,512], mlp2=None, group_all=False, knn=False, is_training=is_training, bn_decay=bn_decay, scope='layer3') l4_xyz, l4_time, l4_points, l4_indices = meteor_direct_module(l3_xyz, l3_time, l3_points, npoint=64, radius=RADIUS4, nsample=32, mlp=[256,256,1024], mlp2=None, group_all=False, knn=False, is_training=is_training, bn_decay=bn_decay, scope='layer4') # Feature Propagation layers l3_points = pointnet_fp_module(l3_xyz, l4_xyz, l3_points, l4_points, [256,256], is_training, bn_decay, scope='fa_layer1') l2_points = pointnet_fp_module(l2_xyz, l3_xyz, l2_points, l3_points, [256,256], is_training, bn_decay, scope='fa_layer2') l1_points = pointnet_fp_module(l1_xyz, l2_xyz, l1_points, l2_points, [256,128], is_training, bn_decay, scope='fa_layer3') l0_points = pointnet_fp_module(l0_xyz, l1_xyz, l0_points, l1_points, [128,128], is_training, bn_decay, scope='fa_layer4') ##### debug net = tf_util.conv1d(l0_points, 12, 1, padding='VALID', activation_fn=None, scope='fc2') return net, end_points
Example #13
Source File: model_part_seg_meteor_chained_flow.py From meteornet with MIT License | 5 votes |
def get_model(point_cloud, chained_flowed, num_frames, is_training, bn_decay=None): """ input is BxNx3, output Bxnum_class """ end_points = {} batch_size = point_cloud.get_shape()[0].value num_point = point_cloud.get_shape()[1].value // num_frames l0_xyz = point_cloud[:, :, 0:3] l0_xyz_flowed = chained_flowed l0_time = tf.concat([tf.ones([batch_size, num_point, 1]) * i for i in range(num_frames)], \ axis=-2) l0_points = tf.concat([point_cloud[:, :, 3:], l0_time], axis=-1) RADIUS1 = np.array([0.98, 0.99, 1.0], dtype='float32') RADIUS2 = RADIUS1 * 2 RADIUS3 = RADIUS1 * 4 RADIUS4 = RADIUS1 * 8 l1_xyz, l1_xyz_flowed, l1_time, l1_points, l1_indices = meteor_chained_flow_module(l0_xyz, l0_xyz_flowed, l0_time, l0_points, npoint=2048, radius=RADIUS1, nsample=32*num_frames, mlp=[32,32,128], mlp2=None, group_all=False, knn=False, is_training=is_training, bn_decay=bn_decay, scope='layer1') l2_xyz, l2_time, l2_points, l2_indices = meteor_direct_module(l1_xyz, l1_time, l1_points, npoint=512, radius=RADIUS2, nsample=32, mlp=[64,64,256], mlp2=None, group_all=False, knn=False, is_training=is_training, bn_decay=bn_decay, scope='layer2') l3_xyz, l3_time, l3_points, l3_indices = meteor_direct_module(l2_xyz, l2_time, l2_points, npoint=128, radius=RADIUS3, nsample=32, mlp=[128,128,512], mlp2=None, group_all=False, knn=False, is_training=is_training, bn_decay=bn_decay, scope='layer3') l4_xyz, l4_time, l4_points, l4_indices = meteor_direct_module(l3_xyz, l3_time, l3_points, npoint=64, radius=RADIUS4, nsample=32, mlp=[256,256,1024], mlp2=None, group_all=False, knn=False, is_training=is_training, bn_decay=bn_decay, scope='layer4') # Feature Propagation layers l3_points = pointnet_fp_module(l3_xyz, l4_xyz, l3_points, l4_points, [256,256], is_training, bn_decay, scope='fa_layer1') l2_points = pointnet_fp_module(l2_xyz, l3_xyz, l2_points, l3_points, [256,256], is_training, bn_decay, scope='fa_layer2') l1_points = pointnet_fp_module(l1_xyz, l2_xyz, l1_points, l2_points, [256,128], is_training, bn_decay, scope='fa_layer3') l0_points = pointnet_fp_module(l0_xyz, l1_xyz, l0_points, l1_points, [128,128], is_training, bn_decay, scope='fa_layer4') ##### debug net = tf_util.conv1d(l0_points, 12, 1, padding='VALID', activation_fn=None, scope='fc2') return net, end_points
Example #14
Source File: frustum_pointnets_v2.py From reading-frustum-pointnets-code with Apache License 2.0 | 4 votes |
def get_instance_seg_v2_net(point_cloud, one_hot_vec, is_training, bn_decay, end_points): ''' 3D instance segmentation PointNet v2 network. Input: point_cloud: TF tensor in shape (B,N,4) frustum point clouds with XYZ and intensity in point channels XYZs are in frustum coordinate one_hot_vec: TF tensor in shape (B,3) length-3 vectors indicating predicted object type is_training: TF boolean scalar bn_decay: TF float scalar end_points: dict Output: logits: TF tensor in shape (B,N,2), scores for bkg/clutter and object end_points: dict ''' l0_xyz = tf.slice(point_cloud, [0,0,0], [-1,-1,3]) l0_points = tf.slice(point_cloud, [0,0,3], [-1,-1,1]) # Set abstraction layers l1_xyz, l1_points = pointnet_sa_module_msg(l0_xyz, l0_points, 128, [0.2,0.4,0.8], [32,64,128], [[32,32,64], [64,64,128], [64,96,128]], is_training, bn_decay, scope='layer1') l2_xyz, l2_points = pointnet_sa_module_msg(l1_xyz, l1_points, 32, [0.4,0.8,1.6], [64,64,128], [[64,64,128], [128,128,256], [128,128,256]], is_training, bn_decay, scope='layer2') l3_xyz, l3_points, _ = pointnet_sa_module(l2_xyz, l2_points, npoint=None, radius=None, nsample=None, mlp=[128,256,1024], mlp2=None, group_all=True, is_training=is_training, bn_decay=bn_decay, scope='layer3') # Feature Propagation layers l3_points = tf.concat([l3_points, tf.expand_dims(one_hot_vec, 1)], axis=2) l2_points = pointnet_fp_module(l2_xyz, l3_xyz, l2_points, l3_points, [128,128], is_training, bn_decay, scope='fa_layer1') l1_points = pointnet_fp_module(l1_xyz, l2_xyz, l1_points, l2_points, [128,128], is_training, bn_decay, scope='fa_layer2') l0_points = pointnet_fp_module(l0_xyz, l1_xyz, tf.concat([l0_xyz,l0_points],axis=-1), l1_points, [128,128], is_training, bn_decay, scope='fa_layer3') # FC layers net = tf_util.conv1d(l0_points, 128, 1, padding='VALID', bn=True, is_training=is_training, scope='conv1d-fc1', bn_decay=bn_decay) end_points['feats'] = net net = tf_util.dropout(net, keep_prob=0.7, is_training=is_training, scope='dp1') logits = tf_util.conv1d(net, 2, 1, padding='VALID', activation_fn=None, scope='conv1d-fc2') return logits, end_points
Example #15
Source File: architectures.py From deep-functional-dictionaries with MIT License | 4 votes |
def build_pointnet2_seg(X, out_dim, is_training, bn_decay, scope): n_points = X.get_shape()[1].value l0_xyz = tf.slice(X, [0,0,0], [-1,-1,3]) l0_points = tf.slice(X, [0,0,3], [-1,-1,0]) # Set Abstraction layers l1_xyz, l1_points, l1_indices = pointnet_sa_module(l0_xyz, l0_points, npoint=512, radius=0.2, nsample=64, mlp=[64,64,128], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer1') l2_xyz, l2_points, l2_indices = pointnet_sa_module(l1_xyz, l1_points, npoint=128, radius=0.4, nsample=64, mlp=[128,128,256], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer2') l3_xyz, l3_points, l3_indices = pointnet_sa_module(l2_xyz, l2_points, npoint=None, radius=None, nsample=None, mlp=[256,512,1024], mlp2=None, group_all=True, is_training=is_training, bn_decay=bn_decay, scope='layer3') # Feature Propagation layers l2_points = pointnet_fp_module(l2_xyz, l3_xyz, l2_points, l3_points, [256,256], is_training, bn_decay, scope='fa_layer1') l1_points = pointnet_fp_module(l1_xyz, l2_xyz, l1_points, l2_points, [256,128], is_training, bn_decay, scope='fa_layer2') l0_points = pointnet_fp_module(l0_xyz, l1_xyz, tf.concat([l0_xyz,l0_points],axis=-1), l1_points, [128,128,128], is_training, bn_decay, scope='fa_layer3') # FC layers net = tf_util.conv1d(l0_points, 128, 1, padding='VALID', bn=True, is_training=is_training, scope='fc1', bn_decay=bn_decay) net = tf_util.dropout(net, keep_prob=0.5, is_training=is_training, scope='dp1') net = tf_util.conv1d(net, out_dim, 1, padding='VALID', activation_fn=None, scope='fc2') return net, 0
Example #16
Source File: model_rpointnet.py From GSPN with MIT License | 4 votes |
def shift_pred_net(xyz, points, npoint_seed, end_points, scope, is_training, bn_decay=None, return_fullfea=False): ''' Encode multiple context. Input: xyz: (batch_size, ndataset, 3) TF tensor points: (batch_size, ndataset, channel) TF tensor Return: pc_seed: (batch_size, npoint_seed, 3) TF tensor shift_pred_seed_4d: (batch_size, npoint_seed, 4) TF tensor ind_seed: (batch_size, npoint_seed) TF tensor ''' with tf.variable_scope(scope) as sc: ind_seed = farthest_point_sample(npoint_seed, xyz) # (batch_size, npoint_seed) pc_seed = gather_point(xyz, ind_seed) # (batch_size, npoint_seed, 3) batch_size = xyz.get_shape()[0].value num_point = xyz.get_shape()[1].value l0_xyz = xyz l0_points = None # do not use color for shift prediction if return_fullfea: new_xyz = tf.concat((pc_seed, xyz), 1) else: new_xyz = pc_seed # Layer 1 l1_xyz, l1_points, l1_indices = pointnet_sa_module(l0_xyz, l0_points, npoint=2048, radius=0.2, nsample=32, mlp=[32,32,64], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer1') l2_xyz, l2_points, l2_indices = pointnet_sa_module(l1_xyz, l1_points, npoint=512, radius=0.4, nsample=32, mlp=[64,64,128], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer2') l3_xyz, l3_points, l3_indices = pointnet_sa_module(l2_xyz, l2_points, npoint=128, radius=0.8, nsample=32, mlp=[128,128,256], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer3') l4_xyz, l4_points, l4_indices = pointnet_sa_module(l3_xyz, l3_points, npoint=32, radius=1.6, nsample=32, mlp=[256,256,512], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer4') # Feature Propagation layers l3_points = pointnet_fp_module(l3_xyz, l4_xyz, l3_points, l4_points, [256,256], is_training, bn_decay, scope='fa_layer1') l2_points = pointnet_fp_module(l2_xyz, l3_xyz, l2_points, l3_points, [256,256], is_training, bn_decay, scope='fa_layer2') l1_points = pointnet_fp_module(l1_xyz, l2_xyz, l1_points, l2_points, [256,128], is_training, bn_decay, scope='fa_layer3') l0_points = pointnet_fp_module(new_xyz, l1_xyz, None, l1_points, [128,128,128], is_training, bn_decay, scope='fa_layer4') # FC layers net = tf_util.conv1d(l0_points, 4, 1, padding='VALID', stride=1, scope='conv_shift_pred', activation_fn=None) if return_fullfea: shift_pred_seed_4d, shift_pred_full_4d = tf.split(net, [npoint_seed, num_point], axis=1) end_points['shift_pred_full_4d'] = shift_pred_full_4d else: shift_pred_seed_4d = net end_points['pc_seed'] = pc_seed end_points['shift_pred_seed_4d'] = shift_pred_seed_4d end_points['ind_seed'] = ind_seed return end_points
Example #17
Source File: model_rpointnet.py From GSPN with MIT License | 4 votes |
def multi_encoding_net(xyz, points, npoint, radius_list, nsample_list, mlp_list, mlp_list2, is_training, bn_decay, scope, bn=True, use_xyz=False, output_shift=False, shift_pred=None, fps_idx=None): ''' Encode multiple context. Input: xyz: (batch_size, ndataset, 3) TF tensor points: (batch_size, ndataset, channel) TF tensor npoint: int32 -- #points sampled in farthest point sampling radius: list of float32 -- search radius in local region nsample: list of int32 -- how many points in each local region mlp: list of list of int32 -- output size for MLP on each point use_xyz: bool, if True concat XYZ with local point features, otherwise just use point features Return: new_xyz: (batch_size, npoint, 3) TF tensor new_points: (batch_size, npoint, mlp2[-1]) TF tensor shift_pred: (batch_size, npoint, 3) TF tensor fps_idx: (batch_size, npoint) TF tensor ''' with tf.variable_scope(scope) as sc: if fps_idx is None: fps_idx = farthest_point_sample(npoint, xyz) # (batch_size, npoint) new_xyz = gather_point(xyz, fps_idx) # (batch_size, npoint, 3) new_points_list = [] group_xyz_list = [] for i in range(len(radius_list)): radius = radius_list[i] nsample = nsample_list[i] idx, pts_cnt = query_ball_point(radius, nsample, xyz, new_xyz) grouped_xyz = group_point(xyz, idx) grouped_xyz -= tf.tile(tf.expand_dims(new_xyz, 2), [1,1,nsample,1]) # [B, nseed, nsmp, 3] if shift_pred is not None: grouped_xyz -= tf.tile(tf.expand_dims(shift_pred, 2), [1,1,nsample,1]) if points is not None: grouped_points = group_point(points, idx) if use_xyz: grouped_points = tf.concat([grouped_points, grouped_xyz], axis=-1) else: grouped_points = grouped_xyz for j,num_out_channel in enumerate(mlp_list[i]): grouped_points = tf_util.conv2d(grouped_points, num_out_channel, [1, 1], padding='VALID', stride=[1,1], bn=bn, is_training=is_training, scope='conv_prev_%d_%d'%(i,j), bn_decay=bn_decay) new_points_list.append(tf.reduce_max(grouped_points, axis=[2])) new_points = tf.concat(new_points_list, axis=-1) # (batch_size, npoint, \sum_k{mlp[k][-1]}) for i,num_out_channel in enumerate(mlp_list2): new_points = tf_util.conv1d(new_points, num_out_channel, 1, padding='VALID', stride=1, bn=bn, is_training=is_training, scope='conv_post_%d'%i, bn_decay=bn_decay) if output_shift: shift_pred = tf_util.conv1d(new_points, 4, 1, padding='VALID', stride=1, scope='conv_shift_pred', activation_fn=None) return new_xyz, new_points, shift_pred, fps_idx
Example #18
Source File: frustum_pointnets_v2.py From Geo-CNN with Apache License 2.0 | 4 votes |
def get_instance_seg_v2_net(point_cloud, one_hot_vec, is_training, bn_decay, end_points): ''' 3D instance segmentation PointNet v2 network. Input: point_cloud: TF tensor in shape (B,N,4) frustum point clouds with XYZ and intensity in point channels XYZs are in frustum coordinate one_hot_vec: TF tensor in shape (B,3) length-3 vectors indicating predicted object type is_training: TF boolean scalar bn_decay: TF float scalar end_points: dict Output: logits: TF tensor in shape (B,N,2), scores for bkg/clutter and object end_points: dict ''' l0_xyz = tf.slice(point_cloud, [0,0,0], [-1,-1,3]) l0_points = tf.slice(point_cloud, [0,0,3], [-1,-1,1]) # Set abstraction layers l1_xyz, l1_points = pointnet_sa_module_msg(l0_xyz, l0_points, 128, [0.2,0.4,0.8], [32,64,128], [[32,32,64], [64,64,128], [64,96,128]], is_training, bn_decay, scope='layer1') l2_xyz, l2_points = pointnet_sa_module_msg(l1_xyz, l1_points, 32, [0.4,0.8,1.6], [64,64,128], [[64,64,128], [128,128,256], [128,128,256]], is_training, bn_decay, scope='layer2') l3_xyz, l3_points, _ = pointnet_sa_module(l2_xyz, l2_points, npoint=None, radius=None, nsample=None, mlp=[128,256,1024], mlp2=None, group_all=True, is_training=is_training, bn_decay=bn_decay, scope='layer3') # Feature Propagation layers l3_points = tf.concat([l3_points, tf.expand_dims(one_hot_vec, 1)], axis=2) l2_points = pointnet_fp_module(l2_xyz, l3_xyz, l2_points, l3_points, [128,128], is_training, bn_decay, scope='fa_layer1') l1_points = pointnet_fp_module(l1_xyz, l2_xyz, l1_points, l2_points, [128,128], is_training, bn_decay, scope='fa_layer2') l0_points = pointnet_fp_module(l0_xyz, l1_xyz, tf.concat([l0_xyz,l0_points],axis=-1), l1_points, [128,128], is_training, bn_decay, scope='fa_layer3') # FC layers net = tf_util.conv1d(l0_points, 128, 1, padding='VALID', bn=True, is_training=is_training, scope='conv1d-fc1', bn_decay=bn_decay) end_points['feats'] = net net = tf_util.dropout(net, keep_prob=0.7, is_training=is_training, scope='dp1') logits = tf_util.conv1d(net, 2, 1, padding='VALID', activation_fn=None, scope='conv1d-fc2') return logits, end_points
Example #19
Source File: pointnet2_cls_bga.py From scanobjectnn with MIT License | 4 votes |
def get_model(point_cloud, is_training, bn_decay=None, num_class=NUM_CLASSES): """ Part segmentation PointNet, input is BxNx3 (XYZ) """ batch_size = point_cloud.get_shape()[0].value num_point = point_cloud.get_shape()[1].value end_points = {} l0_xyz = tf.slice(point_cloud, [0,0,0], [-1,-1,3]) l0_points = None # Set Abstraction layers l1_xyz, l1_points, l1_indices = pointnet_sa_module(l0_xyz, l0_points, npoint=512, radius=0.2, nsample=64, mlp=[64,64,128], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer1') l2_xyz, l2_points, l2_indices = pointnet_sa_module(l1_xyz, l1_points, npoint=128, radius=0.4, nsample=64, mlp=[128,128,256], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer2') l3_xyz, l3_points, l3_indices = pointnet_sa_module(l2_xyz, l2_points, npoint=None, radius=None, nsample=None, mlp=[256,512,1024], mlp2=None, group_all=True, is_training=is_training, bn_decay=bn_decay, scope='layer3') ###########CLASSIFICATION BRANCH # print(l3_xyz.shape) # print(l3_points.shape) net = tf.reshape(l3_points, [batch_size, -1]) # print(net.shape) # print() net = tf_util.fully_connected(net, 512, bn=True, is_training=is_training, scope='fc1', bn_decay=bn_decay) net = tf_util.dropout(net, keep_prob=0.5, is_training=is_training, scope='dp1') net = tf_util.fully_connected(net, 256, bn=True, is_training=is_training, scope='fc2', bn_decay=bn_decay) # print("Classification feature vector") class_vector = tf.expand_dims(net, axis=1) # print(class_vector.shape) # print() net = tf_util.dropout(net, keep_prob=0.5, is_training=is_training, scope='dp2') class_pred = tf_util.fully_connected(net, num_class, activation_fn=None, scope='fc3') ###########SEGMENTATION BRANCH # Feature Propagation layers l3_points_concat = tf.concat([l3_points, class_vector], axis=2) # l2_points = pointnet_fp_module(l2_xyz, l3_xyz, l2_points, l3_points_concat, [256,256], is_training, bn_decay, scope='fa_layer1') l2_points = pointnet_fp_module(l2_xyz, l3_xyz, l2_points, class_vector, [256,256], is_training, bn_decay, scope='fa_layer1') l1_points = pointnet_fp_module(l1_xyz, l2_xyz, l1_points, l2_points, [256,128], is_training, bn_decay, scope='fa_layer2') l0_points = pointnet_fp_module(l0_xyz, l1_xyz, l0_points, l1_points, [128,128,128], is_training, bn_decay, scope='fa_layer3') # FC layers # print(l0_points.shape) net = tf_util.conv1d(l0_points, 128, 1, padding='VALID', bn=True, is_training=is_training, scope='seg_fc1', bn_decay=bn_decay) # print(net.shape) # print() end_points['feats'] = net net = tf_util.dropout(net, keep_prob=0.5, is_training=is_training, scope='seg_dp1') seg_pred = tf_util.conv1d(net, 2, 1, padding='VALID', activation_fn=None, scope='seg_fc2') # print(seg_pred.shape) # exit() # print(class_pred.shape) # print(seg_pred.shape) # exit() return class_pred, seg_pred
Example #20
Source File: architectures.py From SPFN with MIT License | 4 votes |
def build_pointnet2_seg(scope, X, out_dims, is_training, bn_decay): with tf.variable_scope(scope): l0_xyz = tf.slice(X, [0,0,0], [-1,-1,3]) l0_points = tf.slice(X, [0,0,3], [-1,-1,0]) # Set Abstraction layers l1_xyz, l1_points, l1_indices = pointnet_sa_module(l0_xyz, l0_points, npoint=512, radius=0.2, nsample=64, mlp=[64,64,128], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer1') l2_xyz, l2_points, l2_indices = pointnet_sa_module(l1_xyz, l1_points, npoint=128, radius=0.4, nsample=64, mlp=[128,128,256], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer2') l3_xyz, l3_points, l3_indices = pointnet_sa_module(l2_xyz, l2_points, npoint=None, radius=None, nsample=None, mlp=[256,512,1024], mlp2=None, group_all=True, is_training=is_training, bn_decay=bn_decay, scope='layer3') # Feature Propagation layers l2_points = pointnet_fp_module(l2_xyz, l3_xyz, l2_points, l3_points, [256,256], is_training, bn_decay, scope='fa_layer1') l1_points = pointnet_fp_module(l1_xyz, l2_xyz, l1_points, l2_points, [256,128], is_training, bn_decay, scope='fa_layer2') l0_points = pointnet_fp_module(l0_xyz, l1_xyz, tf.concat([l0_xyz,l0_points],axis=-1), l1_points, [128,128,128], is_training, bn_decay, scope='fa_layer3') # FC layers net = tf_util.conv1d(l0_points, 128, 1, padding='VALID', bn=True, is_training=is_training, scope='fc1', bn_decay=bn_decay) net = tf_util.dropout(net, keep_prob=0.5, is_training=is_training, scope='dp1') results = [] for idx, out_dim in enumerate(out_dims): current_result = tf_util.conv1d(net, out_dim, 1, padding='VALID', activation_fn=None, scope='fc2_{}'.format(idx)) results.append(current_result) return results
Example #21
Source File: model_concat_upsa_eval_kitti.py From flownet3d with MIT License | 4 votes |
def get_model(point_cloud, is_training, bn_decay=None, reuse=False): """ FlowNet3D, for evaluating on KITTI input: Bx(N1+N2)x3, output: BxN1x3 """ end_points = {} batch_size = point_cloud.get_shape()[0].value num_point = point_cloud.get_shape()[1].value // 2 l0_xyz_f1 = point_cloud[:, :num_point, 0:3] l0_points_f1 = point_cloud[:, :num_point, 3:] l0_xyz_f2 = point_cloud[:, num_point:, 0:3] l0_points_f2 = point_cloud[:, num_point:, 3:] RADIUS1 = 0.5 RADIUS2 = 1.0 RADIUS3 = 2.0 RADIUS4 = 4.0 with tf.variable_scope('sa1') as scope: if reuse: scope.reuse_variables() # Frame 1, Layer 1 l1_xyz_f1, l1_points_f1, l1_indices_f1 = pointnet_sa_module(l0_xyz_f1, l0_points_f1, npoint=8192, radius=RADIUS1, nsample=256, mlp=[32,32,64], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer1') end_points['l1_indices_f1'] = l1_indices_f1 # Frame 1, Layer 2 l2_xyz_f1, l2_points_f1, l2_indices_f1 = pointnet_sa_module(l1_xyz_f1, l1_points_f1, npoint=2048, radius=RADIUS2, nsample=256, mlp=[64,64,128], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer2') end_points['l2_indices_f1'] = l2_indices_f1 if not reuse: scope.reuse_variables() # Frame 2, Layer 1 l1_xyz_f2, l1_points_f2, l1_indices_f2 = pointnet_sa_module(l0_xyz_f2, l0_points_f2, npoint=8192, radius=RADIUS1, nsample=256, mlp=[32,32,64], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer1') # Frame 2, Layer 2 l2_xyz_f2, l2_points_f2, l2_indices_f2 = pointnet_sa_module(l1_xyz_f2, l1_points_f2, npoint=2048, radius=RADIUS2, nsample=256, mlp=[64,64,128], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer2') _, l2_points_f1_new = flow_embedding_module(l2_xyz_f1, l2_xyz_f2, l2_points_f1, l2_points_f2, radius=3.0, nsample=256, mlp=[128,128,128], is_training=is_training, bn_decay=bn_decay, scope='flow_embedding', bn=True, pooling='max', knn=True, corr_func='concat') # Layer 3 l3_xyz_f1, l3_points_f1, l3_indices_f1 = pointnet_sa_module(l2_xyz_f1, l2_points_f1_new, npoint=512, radius=RADIUS3, nsample=64, mlp=[128,128,256], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer3') end_points['l3_indices_f1'] = l3_indices_f1 # Layer 4 l4_xyz_f1, l4_points_f1, l4_indices_f1 = pointnet_sa_module(l3_xyz_f1, l3_points_f1, npoint=256, radius=RADIUS4, nsample=64, mlp=[256,256,512], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer4') end_points['l4_indices_f1'] = l4_indices_f1 # Feature Propagation l3_feat_f1 = set_upconv_module(l3_xyz_f1, l4_xyz_f1, l3_points_f1, l4_points_f1, nsample=4, radius=2.4, mlp=[], mlp2=[256,256], scope='up_sa_layer1', is_training=is_training, bn_decay=bn_decay, knn=True) l2_feat_f1 = set_upconv_module(l2_xyz_f1, l3_xyz_f1, tf.concat(axis=-1, values=[l2_points_f1, l2_points_f1_new]), l3_feat_f1, nsample=4, radius=1.2, mlp=[128,128,256], mlp2=[256], scope='up_sa_layer2', is_training=is_training, bn_decay=bn_decay, knn=True) l1_feat_f1 = set_upconv_module(l1_xyz_f1, l2_xyz_f1, l1_points_f1, l2_feat_f1, nsample=4, radius=0.6, mlp=[128,128,256], mlp2=[256], scope='up_sa_layer3', is_training=is_training, bn_decay=bn_decay, knn=True) l0_feat_f1 = pointnet_fp_module(l0_xyz_f1, l1_xyz_f1, l0_points_f1, l1_feat_f1, [256,256], is_training, bn_decay, scope='fa_layer4') # FC layers net = tf_util.conv1d(l0_feat_f1, 128, 1, padding='VALID', bn=True, is_training=is_training, scope='fc1', bn_decay=bn_decay) net = tf_util.conv1d(net, 3, 1, padding='VALID', activation_fn=None, scope='fc2') return net, end_points
Example #22
Source File: model_concat_upsa.py From flownet3d with MIT License | 4 votes |
def get_model(point_cloud, is_training, bn_decay=None): """ FlowNet3D, for training input: Bx(N1+N2)x3, output: BxN1x3 """ end_points = {} batch_size = point_cloud.get_shape()[0].value num_point = point_cloud.get_shape()[1].value // 2 l0_xyz_f1 = point_cloud[:, :num_point, 0:3] l0_points_f1 = point_cloud[:, :num_point, 3:] l0_xyz_f2 = point_cloud[:, num_point:, 0:3] l0_points_f2 = point_cloud[:, num_point:, 3:] RADIUS1 = 0.5 RADIUS2 = 1.0 RADIUS3 = 2.0 RADIUS4 = 4.0 with tf.variable_scope('sa1') as scope: # Frame 1, Layer 1 l1_xyz_f1, l1_points_f1, l1_indices_f1 = pointnet_sa_module(l0_xyz_f1, l0_points_f1, npoint=1024, radius=RADIUS1, nsample=16, mlp=[32,32,64], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer1') end_points['l1_indices_f1'] = l1_indices_f1 # Frame 1, Layer 2 l2_xyz_f1, l2_points_f1, l2_indices_f1 = pointnet_sa_module(l1_xyz_f1, l1_points_f1, npoint=256, radius=RADIUS2, nsample=16, mlp=[64,64,128], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer2') end_points['l2_indices_f1'] = l2_indices_f1 scope.reuse_variables() # Frame 2, Layer 1 l1_xyz_f2, l1_points_f2, l1_indices_f2 = pointnet_sa_module(l0_xyz_f2, l0_points_f2, npoint=1024, radius=RADIUS1, nsample=16, mlp=[32,32,64], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer1') # Frame 2, Layer 2 l2_xyz_f2, l2_points_f2, l2_indices_f2 = pointnet_sa_module(l1_xyz_f2, l1_points_f2, npoint=256, radius=RADIUS2, nsample=16, mlp=[64,64,128], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer2') _, l2_points_f1_new = flow_embedding_module(l2_xyz_f1, l2_xyz_f2, l2_points_f1, l2_points_f2, radius=10.0, nsample=64, mlp=[128,128,128], is_training=is_training, bn_decay=bn_decay, scope='flow_embedding', bn=True, pooling='max', knn=True, corr_func='concat') # Layer 3 l3_xyz_f1, l3_points_f1, l3_indices_f1 = pointnet_sa_module(l2_xyz_f1, l2_points_f1_new, npoint=64, radius=RADIUS3, nsample=8, mlp=[128,128,256], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer3') end_points['l3_indices_f1'] = l3_indices_f1 # Layer 4 l4_xyz_f1, l4_points_f1, l4_indices_f1 = pointnet_sa_module(l3_xyz_f1, l3_points_f1, npoint=16, radius=RADIUS4, nsample=8, mlp=[256,256,512], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer4') end_points['l4_indices_f1'] = l4_indices_f1 # Feature Propagation l3_feat_f1 = set_upconv_module(l3_xyz_f1, l4_xyz_f1, l3_points_f1, l4_points_f1, nsample=8, radius=2.4, mlp=[], mlp2=[256,256], scope='up_sa_layer1', is_training=is_training, bn_decay=bn_decay, knn=True) l2_feat_f1 = set_upconv_module(l2_xyz_f1, l3_xyz_f1, tf.concat(axis=-1, values=[l2_points_f1, l2_points_f1_new]), l3_feat_f1, nsample=8, radius=1.2, mlp=[128,128,256], mlp2=[256], scope='up_sa_layer2', is_training=is_training, bn_decay=bn_decay, knn=True) l1_feat_f1 = set_upconv_module(l1_xyz_f1, l2_xyz_f1, l1_points_f1, l2_feat_f1, nsample=8, radius=0.6, mlp=[128,128,256], mlp2=[256], scope='up_sa_layer3', is_training=is_training, bn_decay=bn_decay, knn=True) l0_feat_f1 = pointnet_fp_module(l0_xyz_f1, l1_xyz_f1, l0_points_f1, l1_feat_f1, [256,256], is_training, bn_decay, scope='fa_layer4') # FC layers net = tf_util.conv1d(l0_feat_f1, 128, 1, padding='VALID', bn=True, is_training=is_training, scope='fc1', bn_decay=bn_decay) net = tf_util.conv1d(net, 3, 1, padding='VALID', activation_fn=None, scope='fc2') return net, end_points
Example #23
Source File: frustum_pointnets_v2.py From frustum-pointnets with Apache License 2.0 | 4 votes |
def get_instance_seg_v2_net(point_cloud, one_hot_vec, is_training, bn_decay, end_points): ''' 3D instance segmentation PointNet v2 network. Input: point_cloud: TF tensor in shape (B,N,4) frustum point clouds with XYZ and intensity in point channels XYZs are in frustum coordinate one_hot_vec: TF tensor in shape (B,3) length-3 vectors indicating predicted object type is_training: TF boolean scalar bn_decay: TF float scalar end_points: dict Output: logits: TF tensor in shape (B,N,2), scores for bkg/clutter and object end_points: dict ''' l0_xyz = tf.slice(point_cloud, [0,0,0], [-1,-1,3]) l0_points = tf.slice(point_cloud, [0,0,3], [-1,-1,1]) # Set abstraction layers l1_xyz, l1_points = pointnet_sa_module_msg(l0_xyz, l0_points, 128, [0.2,0.4,0.8], [32,64,128], [[32,32,64], [64,64,128], [64,96,128]], is_training, bn_decay, scope='layer1') l2_xyz, l2_points = pointnet_sa_module_msg(l1_xyz, l1_points, 32, [0.4,0.8,1.6], [64,64,128], [[64,64,128], [128,128,256], [128,128,256]], is_training, bn_decay, scope='layer2') l3_xyz, l3_points, _ = pointnet_sa_module(l2_xyz, l2_points, npoint=None, radius=None, nsample=None, mlp=[128,256,1024], mlp2=None, group_all=True, is_training=is_training, bn_decay=bn_decay, scope='layer3') # Feature Propagation layers l3_points = tf.concat([l3_points, tf.expand_dims(one_hot_vec, 1)], axis=2) l2_points = pointnet_fp_module(l2_xyz, l3_xyz, l2_points, l3_points, [128,128], is_training, bn_decay, scope='fa_layer1') l1_points = pointnet_fp_module(l1_xyz, l2_xyz, l1_points, l2_points, [128,128], is_training, bn_decay, scope='fa_layer2') l0_points = pointnet_fp_module(l0_xyz, l1_xyz, tf.concat([l0_xyz,l0_points],axis=-1), l1_points, [128,128], is_training, bn_decay, scope='fa_layer3') # FC layers net = tf_util.conv1d(l0_points, 128, 1, padding='VALID', bn=True, is_training=is_training, scope='conv1d-fc1', bn_decay=bn_decay) end_points['feats'] = net net = tf_util.dropout(net, keep_prob=0.7, is_training=is_training, scope='dp1') logits = tf_util.conv1d(net, 2, 1, padding='VALID', activation_fn=None, scope='conv1d-fc2') return logits, end_points
Example #24
Source File: model.py From ASIS with MIT License | 4 votes |
def get_model(point_cloud, is_training, num_class, bn_decay=None): """ Semantic segmentation PointNet, input is BxNx3, output Bxnum_class """ batch_size = point_cloud.get_shape()[0].value num_point = point_cloud.get_shape()[1].value end_points = {} l0_xyz = point_cloud[:, :, :3] l0_points = point_cloud[:, :, 3:] end_points['l0_xyz'] = l0_xyz # Layer 1 l1_xyz, l1_points, l1_indices = pointnet_sa_module(l0_xyz, l0_points, npoint=1024, radius=0.1, nsample=32, mlp=[32,32,64], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer1') l2_xyz, l2_points, l2_indices = pointnet_sa_module(l1_xyz, l1_points, npoint=256, radius=0.2, nsample=32, mlp=[64,64,128], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer2') l3_xyz, l3_points, l3_indices = pointnet_sa_module(l2_xyz, l2_points, npoint=64, radius=0.4, nsample=32, mlp=[128,128,256], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer3') l4_xyz, l4_points, l4_indices = pointnet_sa_module(l3_xyz, l3_points, npoint=16, radius=0.8, nsample=32, mlp=[256,256,512], mlp2=None, group_all=False, is_training=is_training, bn_decay=bn_decay, scope='layer4') # Feature Propagation layers l3_points_sem = pointnet_fp_module(l3_xyz, l4_xyz, l3_points, l4_points, [256,256], is_training, bn_decay, scope='sem_fa_layer1') l2_points_sem = pointnet_fp_module(l2_xyz, l3_xyz, l2_points, l3_points_sem, [256,256], is_training, bn_decay, scope='sem_fa_layer2') l1_points_sem = pointnet_fp_module(l1_xyz, l2_xyz, l1_points, l2_points_sem, [256,128], is_training, bn_decay, scope='sem_fa_layer3') l0_points_sem = pointnet_fp_module(l0_xyz, l1_xyz, l0_points, l1_points_sem, [128,128,128], is_training, bn_decay, scope='sem_fa_layer4') # FC layers net_sem = tf_util.conv1d(l0_points_sem, 128, 1, padding='VALID', bn=True, is_training=is_training, scope='sem_fc1', bn_decay=bn_decay) net_sem_cache = tf_util.conv1d(net_sem, 128, 1, padding='VALID', bn=True, is_training=is_training, scope='sem_cache', bn_decay=bn_decay) # ins l3_points_ins = pointnet_fp_module(l3_xyz, l4_xyz, l3_points, l4_points, [256,256], is_training, bn_decay, scope='ins_fa_layer1') l2_points_ins = pointnet_fp_module(l2_xyz, l3_xyz, l2_points, l3_points_ins, [256,256], is_training, bn_decay, scope='ins_fa_layer2') l1_points_ins = pointnet_fp_module(l1_xyz, l2_xyz, l1_points, l2_points_ins, [256,128], is_training, bn_decay, scope='ins_fa_layer3') l0_points_ins = pointnet_fp_module(l0_xyz, l1_xyz, l0_points, l1_points_ins, [128,128,128], is_training, bn_decay, scope='ins_fa_layer4') net_ins = tf_util.conv1d(l0_points_ins, 128, 1, padding='VALID', bn=True, is_training=is_training, scope='ins_fc1', bn_decay=bn_decay) net_ins = net_ins + net_sem_cache net_ins = tf_util.dropout(net_ins, keep_prob=0.5, is_training=is_training, scope='ins_dp1') net_ins = tf_util.conv1d(net_ins, 5, 1, padding='VALID', activation_fn=None, scope='ins_fc4') k = 30 adj_matrix = tf_util.pairwise_distance_l1(net_ins) nn_idx = tf_util.knn_thres(adj_matrix, k=k) nn_idx = tf.stop_gradient(nn_idx) net_sem = tf_util.get_local_feature(net_sem, nn_idx=nn_idx, k=k)# [b, n, k, c] net_sem = tf.reduce_max(net_sem, axis=-2, keep_dims=False) net_sem = tf_util.dropout(net_sem, keep_prob=0.5, is_training=is_training, scope='sem_dp1') net_sem = tf_util.conv1d(net_sem, num_class, 1, padding='VALID', activation_fn=None, scope='sem_fc4') return net_sem, net_ins