Python tensorflow.random_flip_left_right() Examples

The following are 10 code examples of tensorflow.random_flip_left_right(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module tensorflow , or try the search function .
Example #1
Source File: preprocess_utils.py    From mobile-segmentation with Apache License 2.0 5 votes vote down vote up 
def flip_dim(tensor_list, prob=0.5, dim=1):
    """Randomly flips a dimension of the given tensor.

    The decision to randomly flip the `Tensors` is made together. In other words,
    all or none of the images pass in are flipped.

    Note that tf.random_flip_left_right and tf.random_flip_up_down isn't used so
    that we can control for the probability as well as ensure the same decision
    is applied across the images.

    Args:
      tensor_list: A list of `Tensors` with the same number of dimensions.
      prob: The probability of a left-right flip.
      dim: The dimension to flip, 0, 1, ..

    Returns:
      outputs: A list of the possibly flipped `Tensors` as well as an indicator
      `Tensor` at the end whose value is `True` if the inputs were flipped and
      `False` otherwise.

    Raises:
      ValueError: If dim is negative or greater than the dimension of a `Tensor`.
    """
    random_value = tf.random_uniform([])

    def flip():
        flipped = []
        for tensor in tensor_list:
            if dim < 0 or dim >= len(tensor.get_shape().as_list()):
                raise ValueError('dim must represent a valid dimension.')
            flipped.append(tf.reverse_v2(tensor, [dim]))
        return flipped

    is_flipped = tf.less_equal(random_value, prob)
    outputs = tf.cond(is_flipped, flip, lambda: tensor_list)
    if not isinstance(outputs, (list, tuple)):
        outputs = [outputs]
    outputs.append(is_flipped)

    return outputs
Example #2
Source File: preprocess_utils.py    From MOTSFusion with MIT License 5 votes vote down vote up 
def flip_dim(tensor_list, prob=0.5, dim=1):
  """Randomly flips a dimension of the given tensor.

  The decision to randomly flip the `Tensors` is made together. In other words,
  all or none of the images pass in are flipped.

  Note that tf.random_flip_left_right and tf.random_flip_up_down isn't used so
  that we can control for the probability as well as ensure the same decision
  is applied across the images.

  Args:
    tensor_list: A list of `Tensors` with the same number of dimensions.
    prob: The probability of a left-right flip.
    dim: The dimension to flip, 0, 1, ..

  Returns:
    outputs: A list of the possibly flipped `Tensors` as well as an indicator
    `Tensor` at the end whose value is `True` if the inputs were flipped and
    `False` otherwise.

  Raises:
    ValueError: If dim is negative or greater than the dimension of a `Tensor`.
  """
  random_value = tf.random_uniform([])

  def flip():
    flipped = []
    for tensor in tensor_list:
      if dim < 0 or dim >= len(tensor.get_shape().as_list()):
        raise ValueError('dim must represent a valid dimension.')
      flipped.append(tf.reverse_v2(tensor, [dim]))
    return flipped

  is_flipped = tf.less_equal(random_value, prob)
  outputs = tf.cond(is_flipped, flip, lambda: tensor_list)
  if not isinstance(outputs, (list, tuple)):
    outputs = [outputs]
  outputs.append(is_flipped)

  return outputs
Example #3
Source File: preprocess_utils.py    From Gun-Detector with Apache License 2.0 5 votes vote down vote up 
def flip_dim(tensor_list, prob=0.5, dim=1):
  """Randomly flips a dimension of the given tensor.

  The decision to randomly flip the `Tensors` is made together. In other words,
  all or none of the images pass in are flipped.

  Note that tf.random_flip_left_right and tf.random_flip_up_down isn't used so
  that we can control for the probability as well as ensure the same decision
  is applied across the images.

  Args:
    tensor_list: A list of `Tensors` with the same number of dimensions.
    prob: The probability of a left-right flip.
    dim: The dimension to flip, 0, 1, ..

  Returns:
    outputs: A list of the possibly flipped `Tensors` as well as an indicator
    `Tensor` at the end whose value is `True` if the inputs were flipped and
    `False` otherwise.

  Raises:
    ValueError: If dim is negative or greater than the dimension of a `Tensor`.
  """
  random_value = tf.random_uniform([])

  def flip():
    flipped = []
    for tensor in tensor_list:
      if dim < 0 or dim >= len(tensor.get_shape().as_list()):
        raise ValueError('dim must represent a valid dimension.')
      flipped.append(tf.reverse_v2(tensor, [dim]))
    return flipped

  is_flipped = tf.less_equal(random_value, prob)
  outputs = tf.cond(is_flipped, flip, lambda: tensor_list)
  if not isinstance(outputs, (list, tuple)):
    outputs = [outputs]
  outputs.append(is_flipped)

  return outputs
Example #4
Source File: preprocess_utils.py    From MAX-Image-Segmenter with Apache License 2.0 5 votes vote down vote up 
def flip_dim(tensor_list, prob=0.5, dim=1):
  """Randomly flips a dimension of the given tensor.

  The decision to randomly flip the `Tensors` is made together. In other words,
  all or none of the images pass in are flipped.

  Note that tf.random_flip_left_right and tf.random_flip_up_down isn't used so
  that we can control for the probability as well as ensure the same decision
  is applied across the images.

  Args:
    tensor_list: A list of `Tensors` with the same number of dimensions.
    prob: The probability of a left-right flip.
    dim: The dimension to flip, 0, 1, ..

  Returns:
    outputs: A list of the possibly flipped `Tensors` as well as an indicator
    `Tensor` at the end whose value is `True` if the inputs were flipped and
    `False` otherwise.

  Raises:
    ValueError: If dim is negative or greater than the dimension of a `Tensor`.
  """
  random_value = tf.random_uniform([])

  def flip():
    flipped = []
    for tensor in tensor_list:
      if dim < 0 or dim >= len(tensor.get_shape().as_list()):
        raise ValueError('dim must represent a valid dimension.')
      flipped.append(tf.reverse_v2(tensor, [dim]))
    return flipped

  is_flipped = tf.less_equal(random_value, prob)
  outputs = tf.cond(is_flipped, flip, lambda: tensor_list)
  if not isinstance(outputs, (list, tuple)):
    outputs = [outputs]
  outputs.append(is_flipped)

  return outputs
Example #5
Source File: preprocess_utils.py    From PReMVOS with MIT License 5 votes vote down vote up 
def flip_dim(tensor_list, prob=0.5, dim=1):
  """Randomly flips a dimension of the given tensor.

  The decision to randomly flip the `Tensors` is made together. In other words,
  all or none of the images pass in are flipped.

  Note that tf.random_flip_left_right and tf.random_flip_up_down isn't used so
  that we can control for the probability as well as ensure the same decision
  is applied across the images.

  Args:
    tensor_list: A list of `Tensors` with the same number of dimensions.
    prob: The probability of a left-right flip.
    dim: The dimension to flip, 0, 1, ..

  Returns:
    outputs: A list of the possibly flipped `Tensors` as well as an indicator
    `Tensor` at the end whose value is `True` if the inputs were flipped and
    `False` otherwise.

  Raises:
    ValueError: If dim is negative or greater than the dimension of a `Tensor`.
  """
  random_value = tf.random_uniform([])

  def flip():
    flipped = []
    for tensor in tensor_list:
      if dim < 0 or dim >= len(tensor.get_shape().as_list()):
        raise ValueError('dim must represent a valid dimension.')
      flipped.append(tf.reverse_v2(tensor, [dim]))
    return flipped

  is_flipped = tf.less_equal(random_value, prob)
  outputs = tf.cond(is_flipped, flip, lambda: tensor_list)
  if not isinstance(outputs, (list, tuple)):
    outputs = [outputs]
  outputs.append(is_flipped)

  return outputs
Example #6
Source File: utils.py    From mobile-deeplab-v3-plus with MIT License 5 votes vote down vote up 
def flip_dim(tensor_list, prob=0.5, dim=1):
    """Randomly flips a dimension of the given tensor.

    The decision to randomly flip the `Tensors` is made together.
    In other words, all or none of the images pass in are flipped.

    Note that tf.random_flip_left_right and tf.random_flip_up_down isn't used
     so that we can control for the probability as well as ensure the
     same decision is applied across the images.

    Args:
      tensor_list: A list of `Tensors` with the same number of dimensions.
      prob: The probability of a left-right flip.
      dim: The dimension to flip, 0, 1, ..

    Returns:
      outputs: A list of the possibly flipped `Tensors` as well as an indicator
      `Tensor` at the end whose value is `True` if the inputs were flipped and
      `False` otherwise.

    Raises:
      ValueError: If dim is negative or greater than dimension of a `Tensor`.
    """
    random_value = tf.random_uniform([])

    def flip():
        flipped = []
        for tensor in tensor_list:
            if dim < 0 or dim >= len(tensor.get_shape().as_list()):
                raise ValueError('dim must represent a valid dimension.')
            flipped.append(tf.reverse_v2(tensor, [dim]))
        return flipped

    is_flipped = tf.less_equal(random_value, prob)
    outputs = tf.cond(is_flipped, flip, lambda: tensor_list)
    if not isinstance(outputs, (list, tuple)):
        outputs = [outputs]
    outputs.append(is_flipped)

    return outputs
Example #7
Source File: preprocess_utils.py    From g-tensorflow-models with Apache License 2.0 5 votes vote down vote up 
def flip_dim(tensor_list, prob=0.5, dim=1):
  """Randomly flips a dimension of the given tensor.

  The decision to randomly flip the `Tensors` is made together. In other words,
  all or none of the images pass in are flipped.

  Note that tf.random_flip_left_right and tf.random_flip_up_down isn't used so
  that we can control for the probability as well as ensure the same decision
  is applied across the images.

  Args:
    tensor_list: A list of `Tensors` with the same number of dimensions.
    prob: The probability of a left-right flip.
    dim: The dimension to flip, 0, 1, ..

  Returns:
    outputs: A list of the possibly flipped `Tensors` as well as an indicator
    `Tensor` at the end whose value is `True` if the inputs were flipped and
    `False` otherwise.

  Raises:
    ValueError: If dim is negative or greater than the dimension of a `Tensor`.
  """
  random_value = tf.random_uniform([])

  def flip():
    flipped = []
    for tensor in tensor_list:
      if dim < 0 or dim >= len(tensor.get_shape().as_list()):
        raise ValueError('dim must represent a valid dimension.')
      flipped.append(tf.reverse_v2(tensor, [dim]))
    return flipped

  is_flipped = tf.less_equal(random_value, prob)
  outputs = tf.cond(is_flipped, flip, lambda: tensor_list)
  if not isinstance(outputs, (list, tuple)):
    outputs = [outputs]
  outputs.append(is_flipped)

  return outputs
Example #8
Source File: preprocess_utils.py    From models with Apache License 2.0 5 votes vote down vote up 
def flip_dim(tensor_list, prob=0.5, dim=1):
  """Randomly flips a dimension of the given tensor.

  The decision to randomly flip the `Tensors` is made together. In other words,
  all or none of the images pass in are flipped.

  Note that tf.random_flip_left_right and tf.random_flip_up_down isn't used so
  that we can control for the probability as well as ensure the same decision
  is applied across the images.

  Args:
    tensor_list: A list of `Tensors` with the same number of dimensions.
    prob: The probability of a left-right flip.
    dim: The dimension to flip, 0, 1, ..

  Returns:
    outputs: A list of the possibly flipped `Tensors` as well as an indicator
    `Tensor` at the end whose value is `True` if the inputs were flipped and
    `False` otherwise.

  Raises:
    ValueError: If dim is negative or greater than the dimension of a `Tensor`.
  """
  random_value = tf.random_uniform([])

  def flip():
    flipped = []
    for tensor in tensor_list:
      if dim < 0 or dim >= len(tensor.get_shape().as_list()):
        raise ValueError('dim must represent a valid dimension.')
      flipped.append(tf.reverse_v2(tensor, [dim]))
    return flipped

  is_flipped = tf.less_equal(random_value, prob)
  outputs = tf.cond(is_flipped, flip, lambda: tensor_list)
  if not isinstance(outputs, (list, tuple)):
    outputs = [outputs]
  outputs.append(is_flipped)

  return outputs
Example #9
Source File: preprocessing.py    From LaneSegmentationNetwork with GNU Lesser General Public License v3.0 5 votes vote down vote up 
def flip_dim(tensor_list, prob=0.5, dim=1):
    """Randomly flips a dimension of the given tensor.

    The decision to randomly flip the `Tensors` is made together. In other words,
    all or none of the images pass in are flipped.

    Note that tf.random_flip_left_right and tf.random_flip_up_down isn't used so
    that we can control for the probability as well as ensure the same decision
    is applied across the images.

    Args:
      tensor_list: A list of `Tensors` with the same number of dimensions.
      prob: The probability of a left-right flip.
      dim: The dimension to flip, 0, 1, ..

    Returns:
      outputs: A list of the possibly flipped `Tensors` as well as an indicator
      `Tensor` at the end whose value is `True` if the inputs were flipped and
      `False` otherwise.

    Raises:
      ValueError: If dim is negative or greater than the dimension of a `Tensor`.
    """
    random_value = tf.random_uniform([])

    def flip():
        flipped = []
        for tensor in tensor_list:
            if dim < 0 or dim >= len(tensor.get_shape().as_list()):
                raise ValueError('dim must represent a valid dimension.')
            flipped.append(tf.reverse_v2(tensor, [dim]))
        return flipped

    is_flipped = tf.less_equal(random_value, prob)
    outputs = tf.cond(is_flipped, flip, lambda: tensor_list)
    if not isinstance(outputs, (list, tuple)):
        outputs = [outputs]
    outputs.append(is_flipped)

    return outputs
Example #10
Source File: preprocess_utils.py    From multilabel-image-classification-tensorflow with MIT License 5 votes vote down vote up 
def flip_dim(tensor_list, prob=0.5, dim=1):
  """Randomly flips a dimension of the given tensor.

  The decision to randomly flip the `Tensors` is made together. In other words,
  all or none of the images pass in are flipped.

  Note that tf.random_flip_left_right and tf.random_flip_up_down isn't used so
  that we can control for the probability as well as ensure the same decision
  is applied across the images.

  Args:
    tensor_list: A list of `Tensors` with the same number of dimensions.
    prob: The probability of a left-right flip.
    dim: The dimension to flip, 0, 1, ..

  Returns:
    outputs: A list of the possibly flipped `Tensors` as well as an indicator
    `Tensor` at the end whose value is `True` if the inputs were flipped and
    `False` otherwise.

  Raises:
    ValueError: If dim is negative or greater than the dimension of a `Tensor`.
  """
  random_value = tf.random_uniform([])

  def flip():
    flipped = []
    for tensor in tensor_list:
      if dim < 0 or dim >= len(tensor.get_shape().as_list()):
        raise ValueError('dim must represent a valid dimension.')
      flipped.append(tf.reverse_v2(tensor, [dim]))
    return flipped

  is_flipped = tf.less_equal(random_value, prob)
  outputs = tf.cond(is_flipped, flip, lambda: tensor_list)
  if not isinstance(outputs, (list, tuple)):
    outputs = [outputs]
  outputs.append(is_flipped)

  return outputs