mirror of https://github.com/alibaba/MNN.git
44 lines
1.4 KiB
C++
44 lines
1.4 KiB
C++
//
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// ShapeProposal.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 "core/Macro.h"
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#include "core/SizeComputer.hpp"
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namespace MNN {
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// Size Computer
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class ProposalComputer : 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() && outputs.size() <= 2);
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auto proposal = op->main_as_Proposal();
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auto &output = outputs[0]->buffer();
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output.dim[3].extent = 1;
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output.dim[2].extent = 1;
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output.dim[1].extent = 5;
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output.dim[0].extent = proposal->afterNmsTopN() * inputs[0]->buffer().dim[0].extent;
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if (outputs.size() > 1) {
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auto &roi = outputs[1]->buffer();
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roi.dim[3].extent = 1;
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roi.dim[2].extent = 1;
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roi.dim[1].extent = 1;
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roi.dim[0].extent = proposal->afterNmsTopN() * inputs[0]->buffer().dim[0].extent;
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}
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output.type = halide_type_of<float>();
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TensorUtils::getDescribe(outputs[0])->dimensionFormat = TensorUtils::getDescribe(inputs[0])->dimensionFormat;
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return true;
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}
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};
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REGISTER_SHAPE(ProposalComputer, OpType_Proposal);
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} // namespace MNN
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