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#ifndef ROI_POOL_OP_H_
#define ROI_POOL_OP_H_
#include "caffe2/core/context.h"
#include "caffe2/core/logging.h"
#include "caffe2/core/operator.h"
#include "caffe2/utils/math.h"
namespace caffe2 {
template <typename T, class Context>
class RoIPoolOp final : public Operator<Context> {
public:
template <class... Args>
explicit RoIPoolOp(Args&&... args)
: Operator<Context>(std::forward<Args>(args)...),
is_test_(
this->template GetSingleArgument<int>(OpSchema::Arg_IsTest, 0)),
order_(StringToStorageOrder(
this->template GetSingleArgument<string>("order", "NCHW"))),
pooled_height_(this->template GetSingleArgument<int>("pooled_h", 1)),
pooled_width_(this->template GetSingleArgument<int>("pooled_w", 1)),
spatial_scale_(
this->template GetSingleArgument<float>("spatial_scale", 1.)) {
CAFFE_ENFORCE(
(is_test_ && OutputSize() == 1) || (!is_test_ && OutputSize() == 2),
"Output size mismatch.");
CAFFE_ENFORCE_GT(spatial_scale_, 0);
CAFFE_ENFORCE_GT(pooled_height_, 0);
CAFFE_ENFORCE_GT(pooled_width_, 0);
CAFFE_ENFORCE_EQ(
order_, StorageOrder::NCHW, "Only NCHW order is supported right now.");
}
USE_OPERATOR_CONTEXT_FUNCTIONS;
bool RunOnDevice() override;
protected:
bool is_test_;
StorageOrder order_;
int pooled_height_;
int pooled_width_;
float spatial_scale_;
};
template <typename T, class Context>
class RoIPoolGradientOp final : public Operator<Context> {
public:
template <class... Args>
explicit RoIPoolGradientOp(Args&&... args)
: Operator<Context>(std::forward<Args>(args)...),
spatial_scale_(
this->template GetSingleArgument<float>("spatial_scale", 1.)),
pooled_height_(this->template GetSingleArgument<int>("pooled_h", 1)),
pooled_width_(this->template GetSingleArgument<int>("pooled_w", 1)),
order_(StringToStorageOrder(
this->template GetSingleArgument<string>("order", "NCHW"))) {
CAFFE_ENFORCE_GT(spatial_scale_, 0);
CAFFE_ENFORCE_GT(pooled_height_, 0);
CAFFE_ENFORCE_GT(pooled_width_, 0);
CAFFE_ENFORCE_EQ(
order_, StorageOrder::NCHW, "Only NCHW order is supported right now.");
}
USE_OPERATOR_CONTEXT_FUNCTIONS;
bool RunOnDevice() override {
CAFFE_NOT_IMPLEMENTED;
}
protected:
float spatial_scale_;
int pooled_height_;
int pooled_width_;
StorageOrder order_;
};
} // namespace caffe2
#endif // ROI_POOL_OP_H_
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