inference-engine/src/inference_engine/shape_infer/built-in/ie_space_to_depth_shape_infer.hpp

   1 // Copyright (C) 2019 Intel Corporation
   2 // SPDX-License-Identifier: Apache-2.0
   3 //
   4
   5 #pragma once
   6
   7 #include "ie_built_in_impl.hpp"
   8 #include <map>
   9 #include <memory>
  10 #include <string>
  11 #include <vector>
  12
  13 namespace InferenceEngine {
  14 namespace ShapeInfer {
  15
  16 /**
  17  *@brief Implementation of Shape inference for SpaceToDepth layer
  18  */
  19 class SpaceToDepthShapeProp : public BuiltInShapeInferImpl {
  20 public:
  21     explicit SpaceToDepthShapeProp(const std::string& type) : BuiltInShapeInferImpl(type) {}
  22
  23     void inferShapesImpl(const std::vector<Blob::CPtr>& inBlobs,
  24                          const std::map<std::string, std::string>& params,
  25                          const std::map<std::string, Blob::Ptr>& blobs,
  26                          std::vector<SizeVector>& outShapes) override {
  27         LayerParams lp{};
  28         SpaceToDepthLayer spaceToDepthLayer(lp);
  29         spaceToDepthLayer.params = params;
  30         spaceToDepthLayer.type = _type;
  31         validate(&spaceToDepthLayer, inBlobs, params, blobs);
  32
  33         unsigned int block_size = spaceToDepthLayer.block_size;
  34         outShapes = {inShapes[0]};
  35
  36         outShapes[0][outShapes[0].size() - 1] = inShapes[0][inShapes[0].size() - 1] / block_size;
  37         outShapes[0][outShapes[0].size() - 2] = inShapes[0][inShapes[0].size() - 2] / block_size;
  38         outShapes[0][outShapes[0].size() - 3] = inShapes[0][inShapes[0].size() - 3] * block_size * block_size;
  39     }
  40 };
  41
  42 }  // namespace ShapeInfer
  43 }  // namespace InferenceEngine
  44