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#include "roi_align_rotated_gradient_op.h"
#include "caffe2/utils/eigen_utils.h"
#include "caffe2/utils/math.h"
namespace caffe2 {
// Input: X, rois, dY (aka "gradOutput");
// Output: dX (aka "gradInput")
OPERATOR_SCHEMA(RoIAlignRotatedGradient)
.NumInputs(3)
.NumOutputs(1)
.Input(0, "X", "See RoIAlignRotated.")
.Input(1, "RoIs", "See RoIAlignRotated.")
.Input(2, "dY", "Gradient of forward output 0 (Y)")
.Output(0, "dX", "Gradient of forward input 0 (X)");
namespace {
class GetRoIAlignRotatedGradient : public GradientMakerBase {
using GradientMakerBase::GradientMakerBase;
vector<OperatorDef> GetGradientDefs() override {
return SingleGradientDef(
"RoIAlignRotatedGradient",
"",
vector<string>{I(0), I(1), GO(0)},
vector<string>{GI(0)});
}
};
} // namespace
REGISTER_GRADIENT(RoIAlignRotated, GetRoIAlignRotatedGradient);
} // namespace caffe2
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