mirror of https://github.com/alibaba/MNN.git
38 lines
1.4 KiB
C++
38 lines
1.4 KiB
C++
//
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// ShapeDetectionOutput.cpp
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// MNN
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//
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// Created by MNN on 2019/01/10.
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// Copyright © 2018, Alibaba Group Holding Limited
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//
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#include "Macro.h"
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#include "SizeComputer.hpp"
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namespace MNN {
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// –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
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// Size Computer
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// –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
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class DetectionOutputComputer : public SizeComputer {
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virtual bool onComputeSize(const MNN::Op *op, const std::vector<Tensor *> &inputs,
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const std::vector<Tensor *> &outputs) const override {
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MNN_ASSERT(3 <= inputs.size());
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MNN_ASSERT(1 == outputs.size());
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// set dims
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auto &priorbox = inputs[2]->buffer();
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auto &output = outputs[0]->buffer();
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auto priorCount = priorbox.dim[2].extent / 4;
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output.dim[0].extent = 1;
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output.dim[1].extent = 1;
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output.dim[2].extent = priorCount;
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output.dim[3].extent = 6; // maximum width
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return true;
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}
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};
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REGISTER_SHAPE(DetectionOutputComputer, OpType_DetectionOutput);
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} // namespace MNN
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