#include <image_ops.h>
Computes the gradient of the crop_and_resize op wrt the input boxes tensor.
Arguments:
[num_boxes, crop_height, crop_width, depth]
.[batch, image_height, image_width, depth]
. Both image_height
and image_width
need to be positive.[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.[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
):
Returns:
Output
: A 2-D tensor of shape [num_boxes, 4]
. Constructors and Destructors | |
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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 | |
---|---|
output |
Public functions | |
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node() const | ::tensorflow::Node * |
operator::tensorflow::Input() const | |
operator::tensorflow::Output() const |
Public static functions | |
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Method(StringPiece x) |
Structs | |
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tensorflow::ops::CropAndResizeGradBoxes::Attrs | Optional attribute setters for CropAndResizeGradBoxes. |
::tensorflow::Output output
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 )
::tensorflow::Node * node() const
operator::tensorflow::Input() const
operator::tensorflow::Output() const
Attrs Method( StringPiece x )
© 2018 The TensorFlow Authors. All rights reserved.
Licensed under the Creative Commons Attribution License 3.0.
Code samples licensed under the Apache 2.0 License.
https://www.tensorflow.org/api_docs/cc/class/tensorflow/ops/crop-and-resize-grad-boxes.html