import torch import numpy as np import cv2 import os from util.config import config as cfg def visualize_network_output(output, tr_mask, tcl_mask, mode='train'): vis_dir = os.path.join(cfg.vis_dir, cfg.exp_name + '_' + mode) if not os.path.exists(vis_dir): os.mkdir(vis_dir) tr_pred = output[:, :2] tr_score, tr_predict = tr_pred.max(dim=1) tcl_pred = output[:, 2:4] tcl_score, tcl_predict = tcl_pred.max(dim=1) tr_predict = tr_predict.cpu().numpy() tcl_predict = tcl_predict.cpu().numpy() tr_target = tr_mask.cpu().numpy() tcl_target = tcl_mask.cpu().numpy() for i in range(len(tr_pred)): tr_pred = (tr_predict[i] * 255).astype(np.uint8) tr_targ = (tr_target[i] * 255).astype(np.uint8) tcl_pred = (tcl_predict[i] * 255).astype(np.uint8) tcl_targ = (tcl_target[i] * 255).astype(np.uint8) tr_show = np.concatenate([tr_pred, tr_targ], axis=1) tcl_show = np.concatenate([tcl_pred, tcl_targ], axis=1) show = np.concatenate([tr_show, tcl_show], axis=0) show = cv2.resize(show, (512, 512)) path = os.path.join(vis_dir, '{}.png'.format(i)) cv2.imwrite(path, show) def visualize_detection(image, contours, tr=None, tcl=None): image_show = image.copy() image_show = np.ascontiguousarray(image_show[:, :, ::-1]) image_show = cv2.polylines(image_show, contours, True, (0, 0, 255), 3) if (tr is not None) and (tcl is not None): tr = (tr > cfg.tr_thresh).astype(np.uint8) tcl = (tcl > cfg.tcl_thresh).astype(np.uint8) tr = cv2.cvtColor(tr * 255, cv2.COLOR_GRAY2BGR) tcl = cv2.cvtColor(tcl * 255, cv2.COLOR_GRAY2BGR) image_show = np.concatenate([image_show, tr, tcl], axis=1) return image_show else: return image_show