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Port Fast-RCNN work from Ross Girshick
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Original file line number | Diff line number | Diff line change |
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#ifndef CAFFE_ROI_POOLING_LAYER_HPP_ | ||
#define CAFFE_ROI_POOLING_LAYER_HPP_ | ||
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#include <vector> | ||
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#include "caffe/blob.hpp" | ||
#include "caffe/common.hpp" | ||
#include "caffe/layer.hpp" | ||
#include "caffe/proto/caffe.pb.h" | ||
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namespace caffe { | ||
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/** | ||
* @brief ROIPoolingLayer - Region of Interest Pooling Layer. | ||
* | ||
* Fast R-CNN | ||
* Written by Ross Girshick | ||
*/ | ||
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template <typename Dtype> | ||
class ROIPoolingLayer : public Layer<Dtype> { | ||
public: | ||
explicit ROIPoolingLayer(const LayerParameter& param) | ||
: Layer<Dtype>(param) {} | ||
virtual void LayerSetUp(const vector<Blob<Dtype>*>& bottom, | ||
const vector<Blob<Dtype>*>& top); | ||
virtual void Reshape(const vector<Blob<Dtype>*>& bottom, | ||
const vector<Blob<Dtype>*>& top); | ||
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virtual inline const char* type() const { return "ROIPooling"; } | ||
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virtual inline int MinBottomBlobs() const { return 2; } | ||
virtual inline int MaxBottomBlobs() const { return 2; } | ||
virtual inline int MinTopBlobs() const { return 1; } | ||
virtual inline int MaxTopBlobs() const { return 1; } | ||
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protected: | ||
virtual void Forward_cpu(const vector<Blob<Dtype>*>& bottom, | ||
const vector<Blob<Dtype>*>& top); | ||
virtual void Forward_gpu(const vector<Blob<Dtype>*>& bottom, | ||
const vector<Blob<Dtype>*>& top); | ||
virtual void Backward_cpu(const vector<Blob<Dtype>*>& top, | ||
const vector<bool>& propagate_down, const vector<Blob<Dtype>*>& bottom); | ||
virtual void Backward_gpu(const vector<Blob<Dtype>*>& top, | ||
const vector<bool>& propagate_down, const vector<Blob<Dtype>*>& bottom); | ||
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int channels_; | ||
int height_; | ||
int width_; | ||
int pooled_height_; | ||
int pooled_width_; | ||
Dtype spatial_scale_; | ||
Blob<int> max_idx_; | ||
}; | ||
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} // namespace caffe | ||
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#endif // CAFFE_ROI_POOLING_LAYER_HPP_ |
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Original file line number | Diff line number | Diff line change |
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#ifndef CAFFE_SMOOTH_L1_LOSS_LAYER_HPP_ | ||
#define CAFFE_SMOOTH_L1_LOSS_LAYER_HPP_ | ||
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#include <vector> | ||
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#include "caffe/blob.hpp" | ||
#include "caffe/common.hpp" | ||
#include "caffe/layer.hpp" | ||
#include "caffe/proto/caffe.pb.h" | ||
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#include "caffe/layers/loss_layer.hpp" | ||
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namespace caffe { | ||
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/** | ||
* @brief SmoothL1LossLayer | ||
* | ||
* Fast R-CNN | ||
* Written by Ross Girshick | ||
*/ | ||
template <typename Dtype> | ||
class SmoothL1LossLayer : public LossLayer<Dtype> { | ||
public: | ||
explicit SmoothL1LossLayer(const LayerParameter& param) | ||
: LossLayer<Dtype>(param), diff_() {} | ||
virtual void LayerSetUp(const vector<Blob<Dtype>*>& bottom, | ||
const vector<Blob<Dtype>*>& top); | ||
virtual void Reshape(const vector<Blob<Dtype>*>& bottom, | ||
const vector<Blob<Dtype>*>& top); | ||
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virtual inline const char* type() const { return "SmoothL1Loss"; } | ||
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virtual inline int ExactNumBottomBlobs() const { return -1; } | ||
virtual inline int MinBottomBlobs() const { return 2; } | ||
virtual inline int MaxBottomBlobs() const { return 4; } | ||
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/** | ||
* Unlike most loss layers, in the SmoothL1LossLayer we can backpropagate | ||
* to both inputs -- override to return true and always allow force_backward. | ||
*/ | ||
virtual inline bool AllowForceBackward(const int bottom_index) const { | ||
return true; | ||
} | ||
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protected: | ||
virtual void Forward_cpu(const vector<Blob<Dtype>*>& bottom, | ||
const vector<Blob<Dtype>*>& top); | ||
virtual void Forward_gpu(const vector<Blob<Dtype>*>& bottom, | ||
const vector<Blob<Dtype>*>& top); | ||
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virtual void Backward_cpu(const vector<Blob<Dtype>*>& top, | ||
const vector<bool>& propagate_down, const vector<Blob<Dtype>*>& bottom); | ||
virtual void Backward_gpu(const vector<Blob<Dtype>*>& top, | ||
const vector<bool>& propagate_down, const vector<Blob<Dtype>*>& bottom); | ||
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Blob<Dtype> diff_; | ||
Blob<Dtype> errors_; | ||
Blob<Dtype> ones_; | ||
bool has_weights_; | ||
Dtype sigma2_; | ||
}; | ||
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} // namespace caffe | ||
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#endif // CAFFE_SMOOTH_L1_LOSS_LAYER_HPP_ |
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