Caffe
bias_layer.hpp
1 #ifndef CAFFE_BIAS_LAYER_HPP_
2 #define CAFFE_BIAS_LAYER_HPP_
3 
4 #include <vector>
5 
6 #include "caffe/blob.hpp"
7 #include "caffe/layer.hpp"
8 #include "caffe/proto/caffe.pb.h"
9 
10 namespace caffe {
11 
21 template <typename Dtype>
22 class BiasLayer : public Layer<Dtype> {
23  public:
24  explicit BiasLayer(const LayerParameter& param)
25  : Layer<Dtype>(param) {}
26  virtual void LayerSetUp(const vector<Blob<Dtype>*>& bottom,
27  const vector<Blob<Dtype>*>& top);
28  virtual void Reshape(const vector<Blob<Dtype>*>& bottom,
29  const vector<Blob<Dtype>*>& top);
30 
31  virtual inline const char* type() const { return "Bias"; }
32  virtual inline int MinBottomBlobs() const { return 1; }
33  virtual inline int MaxBottomBlobs() const { return 2; }
34  virtual inline int ExactNumTopBlobs() const { return 1; }
35 
36  virtual void Forward_cpu(const vector<Blob<Dtype>*>& bottom,
37  const vector<Blob<Dtype>*>& top);
38  virtual void Forward_gpu(const vector<Blob<Dtype>*>& bottom,
39  const vector<Blob<Dtype>*>& top);
40  virtual void Backward_cpu(const vector<Blob<Dtype>*>& top,
41  const vector<bool>& propagate_down, const vector<Blob<Dtype>*>& bottom);
42  virtual void Backward_gpu(const vector<Blob<Dtype>*>& top,
43  const vector<bool>& propagate_down, const vector<Blob<Dtype>*>& bottom);
44 
45  private:
46  Blob<Dtype> bias_multiplier_;
47  int outer_dim_, bias_dim_, inner_dim_, dim_;
48 };
49 
50 
51 
52 } // namespace caffe
53 
54 #endif // CAFFE_BIAS_LAYER_HPP_
virtual int ExactNumTopBlobs() const
Returns the exact number of top blobs required by the layer, or -1 if no exact number is required...
Definition: bias_layer.hpp:34
An interface for the units of computation which can be composed into a Net.
Definition: layer.hpp:33
A layer factory that allows one to register layers. During runtime, registered layers can be called b...
Definition: blob.hpp:14
Computes a sum of two input Blobs, with the shape of the latter Blob "broadcast" to match the shape o...
Definition: bias_layer.hpp:22
virtual int MaxBottomBlobs() const
Returns the maximum number of bottom blobs required by the layer, or -1 if no maximum number is requi...
Definition: bias_layer.hpp:33
virtual const char * type() const
Returns the layer type.
Definition: bias_layer.hpp:31
virtual void Forward_cpu(const vector< Blob< Dtype > *> &bottom, const vector< Blob< Dtype > *> &top)
Using the CPU device, compute the layer output.
Definition: bias_layer.cpp:72
virtual void Backward_gpu(const vector< Blob< Dtype > *> &top, const vector< bool > &propagate_down, const vector< Blob< Dtype > *> &bottom)
Using the GPU device, compute the gradients for any parameters and for the bottom blobs if propagate_...
virtual void Backward_cpu(const vector< Blob< Dtype > *> &top, const vector< bool > &propagate_down, const vector< Blob< Dtype > *> &bottom)
Using the CPU device, compute the gradients for any parameters and for the bottom blobs if propagate_...
Definition: bias_layer.cpp:90
virtual void Reshape(const vector< Blob< Dtype > *> &bottom, const vector< Blob< Dtype > *> &top)
Adjust the shapes of top blobs and internal buffers to accommodate the shapes of the bottom blobs...
Definition: bias_layer.cpp:40
virtual void Forward_gpu(const vector< Blob< Dtype > *> &bottom, const vector< Blob< Dtype > *> &top)
Using the GPU device, compute the layer output. Fall back to Forward_cpu() if unavailable.
virtual void LayerSetUp(const vector< Blob< Dtype > *> &bottom, const vector< Blob< Dtype > *> &top)
Does layer-specific setup: your layer should implement this function as well as Reshape.
Definition: bias_layer.cpp:10
virtual int MinBottomBlobs() const
Returns the minimum number of bottom blobs required by the layer, or -1 if no minimum number is requi...
Definition: bias_layer.hpp:32
A wrapper around SyncedMemory holders serving as the basic computational unit through which Layers...
Definition: blob.hpp:24