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42 #include "../precomp.hpp"
48 class BlankLayerImpl : public BlankLayer
51 BlankLayerImpl(const LayerParams& params)
53 setParamsFrom(params);
56 bool getMemoryShapes(const std::vector<MatShape> &inputs,
57 const int requiredOutputs,
58 std::vector<MatShape> &outputs,
59 std::vector<MatShape> &internals) const
61 Layer::getMemoryShapes(inputs, requiredOutputs, outputs, internals);
66 bool forward_ocl(InputArrayOfArrays inputs_, OutputArrayOfArrays outputs_, OutputArrayOfArrays internals_)
68 std::vector<UMat> inputs;
69 std::vector<UMat> outputs;
71 inputs_.getUMatVector(inputs);
72 outputs_.getUMatVector(outputs);
74 for (int i = 0, n = outputs.size(); i < n; ++i)
76 void *src_handle = inputs[i].handle(ACCESS_READ);
77 void *dst_handle = outputs[i].handle(ACCESS_WRITE);
78 if (src_handle != dst_handle)
79 inputs[i].copyTo(outputs[i]);
86 void forward(InputArrayOfArrays inputs_arr, OutputArrayOfArrays outputs_arr, OutputArrayOfArrays internals_arr)
89 CV_TRACE_ARG_VALUE(name, "name", name.c_str());
91 CV_OCL_RUN((preferableTarget == DNN_TARGET_OPENCL) &&
92 OCL_PERFORMANCE_CHECK(ocl::Device::getDefault().isIntel()),
93 forward_ocl(inputs_arr, outputs_arr, internals_arr))
95 Layer::forward_fallback(inputs_arr, outputs_arr, internals_arr);
98 void forward(std::vector<Mat*> &inputs, std::vector<Mat> &outputs, std::vector<Mat> &internals)
101 CV_TRACE_ARG_VALUE(name, "name", name.c_str());
103 for (int i = 0, n = outputs.size(); i < n; ++i)
104 if (outputs[i].data != inputs[i]->data)
105 inputs[i]->copyTo(outputs[i]);
109 Ptr<Layer> BlankLayer::create(const LayerParams& params)
111 // In case of Caffe's Dropout layer from Faster-RCNN framework,
112 // https://github.com/rbgirshick/caffe-fast-rcnn/tree/faster-rcnn
113 // return Power layer.
114 if (!params.get<bool>("scale_train", true))
116 float scale = 1 - params.get<float>("dropout_ratio", 0.5f);
117 CV_Assert(scale > 0);
119 LayerParams powerParams;
120 powerParams.name = params.name;
121 powerParams.type = "Power";
122 powerParams.set("scale", scale);
124 return PowerLayer::create(powerParams);
127 return Ptr<BlankLayer>(new BlankLayerImpl(params));