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tensorflow:: ops:: CropAndResizeGradBoxes

#include <image_ops.h>

Computes the gradient of the crop_and_resize op wrt the input boxes tensor.

Summary

Args:

  • scope: A Scope object
  • grads: A 4-D tensor of shape [num_boxes, crop_height, crop_width, depth] .
  • image: A 4-D tensor of shape [batch, image_height, image_width, depth] . Both image_height and image_width need to be positive.
  • boxes: A 2-D tensor of shape [num_boxes, 4] . The i -th row of the tensor specifies the coordinates of a box in the box_ind[i] image and is specified in normalized coordinates [y1, x1, y2, x2] . A normalized coordinate value of y is mapped to the image coordinate at y * (image_height - 1) , so as the [0, 1] interval of normalized image height is mapped to `[0, image_height - 1] in image height coordinates. We do allow y1 > y2, in which case the sampled crop is an up-down flipped version of the original image. The width dimension is treated similarly. Normalized coordinates outside the [0, 1] range are allowed, in which case we use extrapolation_value to extrapolate the input image values.
  • box_ind: A 1-D tensor of shape [num_boxes] with int32 values in [0, batch) . The value of box_ind[i] specifies the image that the i -th box refers to.

Optional attributes (see Attrs ):

  • method: A string specifying the interpolation method. Only 'bilinear' is supported for now.

Returns:

  • Output : A 2-D tensor of shape [num_boxes, 4] .

Constructors and Destructors

CropAndResizeGradBoxes (const :: tensorflow::Scope & scope, :: tensorflow::Input grads, :: tensorflow::Input image, :: tensorflow::Input boxes, :: tensorflow::Input box_ind)
CropAndResizeGradBoxes (const :: tensorflow::Scope & scope, :: tensorflow::Input grads, :: tensorflow::Input image, :: tensorflow::Input boxes, :: tensorflow::Input box_ind, const CropAndResizeGradBoxes::Attrs & attrs)

Public attributes

operation
output

Public functions

node () const
::tensorflow::Node *
operator::tensorflow::Input () const
operator::tensorflow::Output () const

Public static functions

Method (StringPiece x)

Structs

tensorflow:: ops:: CropAndResizeGradBoxes:: Attrs

Optional attribute setters for CropAndResizeGradBoxes .

Public attributes

operation

Operation operation

output

::tensorflow::Output output

Public functions

CropAndResizeGradBoxes

 CropAndResizeGradBoxes(
  const ::tensorflow::Scope & scope,
  ::tensorflow::Input grads,
  ::tensorflow::Input image,
  ::tensorflow::Input boxes,
  ::tensorflow::Input box_ind
)

CropAndResizeGradBoxes

 CropAndResizeGradBoxes(
  const ::tensorflow::Scope & scope,
  ::tensorflow::Input grads,
  ::tensorflow::Input image,
  ::tensorflow::Input boxes,
  ::tensorflow::Input box_ind,
  const CropAndResizeGradBoxes::Attrs & attrs
)

node

::tensorflow::Node * node() const 

operator::tensorflow::Input

 operator::tensorflow::Input() const 

operator::tensorflow::Output

 operator::tensorflow::Output() const 

Public static functions

Method

Attrs Method(
  StringPiece x
)