45 lines
1.2 KiB
C++
Executable File
45 lines
1.2 KiB
C++
Executable File
// Copyright 2016, Tobias Hermann.
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// https://github.com/Dobiasd/frugally-deep
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// Distributed under the MIT License.
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// (See accompanying LICENSE file or at
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// https://opensource.org/licenses/MIT)
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#pragma once
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#include "fdeep/layers/global_pooling_2d_layer.hpp"
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#include <string>
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namespace fdeep { namespace internal
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{
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class global_average_pooling_2d_layer : public global_pooling_2d_layer
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{
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public:
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explicit global_average_pooling_2d_layer(const std::string& name) :
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global_pooling_2d_layer(name)
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{
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}
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protected:
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tensor5 pool(const tensor5& in) const override
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{
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tensor5 out(shape5(1, 1, 1, 1, in.shape().depth_), 0);
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for (std::size_t z = 0; z < in.shape().depth_; ++z)
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{
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float_type val = 0;
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for (std::size_t y = 0; y < in.shape().height_; ++y)
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{
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for (std::size_t x = 0; x < in.shape().width_; ++x)
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{
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val += in.get(0, 0, y, x, z);
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}
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}
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out.set(0, 0, 0, 0, z, val /
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static_cast<float_type>(in.shape().without_depth().area()));
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}
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return out;
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}
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};
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} } // namespace fdeep, namespace internal
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