waifu2x-caffe/common/waifu2x.cpp

#include "waifu2x.h"
#include <caffe/caffe.hpp>
#include <cudnn.h>
#include <mutex>
#include <opencv2/opencv.hpp>
#include <rapidjson/document.h>
#include <tclap/CmdLine.h>
#include <boost/filesystem.hpp>
#include <boost/algorithm/string.hpp>
#include <chrono>

#if defined(WIN32) || defined(WIN64)
#include <Windows.h>

#undef LoadImage
#endif

#ifdef _MSC_VER
#ifdef _DEBUG
#pragma comment(lib, "libcaffed.lib")
#pragma comment(lib, "libprotobufd.lib")
#else
#pragma comment(lib, "libcaffe.lib")
#pragma comment(lib, "libprotobuf.lib")
#endif
#pragma comment(lib, "libprotoc.lib")
#endif

// <20><><EFBFBD>x<EFBFBD>ɏ<EFBFBD><C98F><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>摜<EFBFBD>̕<EFBFBD>
const int block_size = 128;
// <20><><EFBFBD>x<EFBFBD>ɉ<EFBFBD><C989>u<EFBFBD><75><EFBFBD>b<EFBFBD>N<EFBFBD><4E><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>邩
const int batch_size = 1;
// <20><><EFBFBD>͉摜<CD89>̃I<CC83>t<EFBFBD>Z<EFBFBD>b<EFBFBD>g
const int offset = 0;
// srcnn.prototxt<78>Œ<EFBFBD><C592>`<60><><EFBFBD>ꂽ<EFBFBD><EA82BD><EFBFBD>C<EFBFBD><43><EFBFBD>[<5B>̐<EFBFBD>
const int layer_num = 7;

const auto output_size = block_size - offset * 2;
// <20>l<EFBFBD>b<EFBFBD>g<EFBFBD><67><EFBFBD>[<5B>N<EFBFBD>ɓ<EFBFBD><C993>͂<EFBFBD><CD82><EFBFBD><EFBFBD>摜<EFBFBD>̃T<CC83>C<EFBFBD>Y(<28>o<EFBFBD>͉摜<CD89>̕<EFBFBD><CC95><EFBFBD>layer_num * 2<><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȃ<EFBFBD>)
const auto block_width_height = block_size + layer_num * 2;
// srcnn.prototxt<78>Œ<EFBFBD><C592>`<60><><EFBFBD>ꂽ<EFBFBD><EA82BD><EFBFBD>͂<EFBFBD><CD82><EFBFBD><EFBFBD>摜<EFBFBD>̃T<CC83>C<EFBFBD>Y
const auto original_width_height = 128 + layer_num * 2;

const int ConvertMode = CV_RGB2YUV;
const int ConvertInverseMode = CV_YUV2RGB;

static std::once_flag waifu2x_once_flag;
static std::once_flag waifu2x_cudnn_once_flag;


Waifu2x::Waifu2x() : is_inited(false)
{
}

Waifu2x::~Waifu2x()
{
	destroy();
}

// cuDNN<4E><4E><EFBFBD>g<EFBFBD><67><EFBFBD>邩<EFBFBD>`<60>F<EFBFBD>b<EFBFBD>N<EFBFBD>B<EFBFBD><42><EFBFBD><EFBFBD>Windows<77>̂<EFBFBD>
bool Waifu2x::can_use_cuDNN()
{
	static bool cuDNNFlag = false;
	std::call_once(waifu2x_cudnn_once_flag, [&]()
	{
#if defined(WIN32) || defined(WIN64)
		HMODULE hModule = LoadLibrary(TEXT("cudnn64_65.dll"));
		if (hModule != NULL)
		{
			typedef cudnnStatus_t(*cudnnCreateType)(cudnnHandle_t *);
			typedef cudnnStatus_t(*cudnnDestroyType)(cudnnHandle_t);

			cudnnCreateType cudnnCreateFunc = (cudnnCreateType)GetProcAddress(hModule, "cudnnCreate");
			cudnnDestroyType cudnnDestroyFunc = (cudnnDestroyType)GetProcAddress(hModule, "cudnnDestroy");
			if (cudnnCreateFunc != nullptr && cudnnDestroyFunc != nullptr)
			{
				cudnnHandle_t h;
				if (cudnnCreateFunc(&h) == CUDNN_STATUS_SUCCESS)
				{
					if (cudnnDestroyFunc(h) == CUDNN_STATUS_SUCCESS)
						cuDNNFlag = true;
				}
			}

			FreeLibrary(hModule);
		}
#endif
	});

	return cuDNNFlag;
}

// <20>摜<EFBFBD><E6919C><EFBFBD>ǂݍ<C782><DD8D><EFBFBD><EFBFBD>Œl<C592><6C>0.0f<EFBFBD>`1.0f<EFBFBD>͈̔͂ɕϊ<EFBFBD>
Waifu2x::eWaifu2xError Waifu2x::LoadImage(cv::Mat &float_image, const std::string &input_file)
{
	cv::Mat original_image = cv::imread(input_file, cv::IMREAD_UNCHANGED);
	if (original_image.empty())
		return eWaifu2xError_FailedOpenInputFile;

	cv::Mat convert;
	original_image.convertTo(convert, CV_32F, 1.0 / 255.0);
	original_image.release();

	if (convert.channels() == 1)
		cv::cvtColor(convert, convert, cv::COLOR_GRAY2BGR);
	else if (convert.channels() == 4)
	{
		// <20>A<EFBFBD><41><EFBFBD>t<EFBFBD>@<40>`<60><><EFBFBD><EFBFBD><EFBFBD>l<EFBFBD><6C><EFBFBD>t<EFBFBD><74><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>w<EFBFBD>i<EFBFBD><69>1(<28><>)<29>Ƃ<EFBFBD><C682>ĉ摜<C489><E6919C><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>

		std::vector<cv::Mat> planes;
		cv::split(convert, planes);

		cv::Mat w2 = planes[3];
		cv::Mat w1 = 1.0 - planes[3];

		planes[0] = planes[0].mul(w2) + w1;
		planes[1] = planes[1].mul(w2) + w1;
		planes[2] = planes[2].mul(w2) + w1;

		cv::merge(planes, convert);
	}

	float_image = convert;

	return eWaifu2xError_OK;
}

// <20>摜<EFBFBD><E6919C><EFBFBD><EFBFBD><EFBFBD>P<EFBFBD>x<EFBFBD>̉摜<CC89><E6919C><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>o<EFBFBD><6F>
Waifu2x::eWaifu2xError Waifu2x::CreateBrightnessImage(const cv::Mat &float_image, cv::Mat &im)
{
	cv::Mat converted_color;
	cv::cvtColor(float_image, converted_color, ConvertMode);

	std::vector<cv::Mat> planes;
	cv::split(converted_color, planes);

	im = planes[0];
	planes.clear();

	return eWaifu2xError_OK;
}

// <20><><EFBFBD>͉摜<CD89><E6919C>(Photoshop<6F>ł<EFBFBD><C582><EFBFBD>)<29>L<EFBFBD><4C><EFBFBD><EFBFBD><EFBFBD>o<EFBFBD>X<EFBFBD>T<EFBFBD>C<EFBFBD>Y<EFBFBD><59>output_size<7A>̔{<7B><><EFBFBD>ɕύX
// <20>摜<EFBFBD>͍<EFBFBD><CD8D><EFBFBD><EFBFBD>z<EFBFBD>u<EFBFBD>A<EFBFBD>]<5D><><EFBFBD><EFBFBD>cv::BORDER_REPLICATE<54>Ŗ<EFBFBD><C596>߂<EFBFBD>
Waifu2x::eWaifu2xError Waifu2x::PaddingImage(const cv::Mat &input, cv::Mat &output)
{
	const auto h_blocks = (int)floor(input.size().width / output_size) + (input.size().width % output_size == 0 ? 0 : 1);
	const auto w_blocks = (int)floor(input.size().height / output_size) + (input.size().height % output_size == 0 ? 0 : 1);
	const auto height = offset + h_blocks * output_size + offset;
	const auto width = offset + w_blocks * output_size + offset;
	const auto pad_h1 = offset;
	const auto pad_w1 = offset;
	const auto pad_h2 = (height - offset) - input.size().width;
	const auto pad_w2 = (width - offset) - input.size().height;

	cv::copyMakeBorder(input, output, pad_w1, pad_w2, pad_h1, pad_h2, cv::BORDER_REPLICATE);

	return eWaifu2xError_OK;
}

// <20>摜<EFBFBD><E6919C>cv::INTER_NEAREST<53>œ<EFBFBD><C593>{<7B>Ɋg<C98A>債<EFBFBD>āAPaddingImage()<29>Ńp<C583>f<EFBFBD>B<EFBFBD><42><EFBFBD>O<EFBFBD><4F><EFBFBD><EFBFBD>
Waifu2x::eWaifu2xError Waifu2x::Zoom2xAndPaddingImage(const cv::Mat &input, cv::Mat &output, cv::Size_<int> &zoom_size)
{
	zoom_size = input.size();
	zoom_size.width *= 2;
	zoom_size.height *= 2;

	cv::Mat zoom_image;
	cv::resize(input, zoom_image, zoom_size, 0.0, 0.0, cv::INTER_NEAREST);

	return PaddingImage(zoom_image, output);
}

// <20><><EFBFBD>͉摜<CD89><E6919C>zoom_size<7A>̑傫<CC91><E582AB><EFBFBD><EFBFBD>cv::INTER_CUBIC<49>Ŋg<C58A>債<EFBFBD>A<EFBFBD>F<EFBFBD><46><EFBFBD><EFBFBD><EFBFBD>݂̂<CC82><DD82>c<EFBFBD><63>
Waifu2x::eWaifu2xError Waifu2x::CreateZoomColorImage(const cv::Mat &float_image, const cv::Size_<int> &zoom_size, std::vector<cv::Mat> &cubic_planes)
{
	cv::Mat zoom_cubic_image;
	cv::resize(float_image, zoom_cubic_image, zoom_size, 0.0, 0.0, cv::INTER_CUBIC);

	cv::Mat converted_cubic_image;
	cv::cvtColor(zoom_cubic_image, converted_cubic_image, ConvertMode);
	zoom_cubic_image.release();

	cv::split(converted_cubic_image, cubic_planes);
	converted_cubic_image.release();

	// <20><><EFBFBD><EFBFBD>Y<EFBFBD><59><EFBFBD><EFBFBD><EFBFBD>͎g<CD8E><67><EFBFBD>Ȃ<EFBFBD><C882>̂ʼn<CC82><C589><EFBFBD>
	cubic_planes[0].release();

	return eWaifu2xError_OK;
}

// <20>w<EFBFBD>K<EFBFBD><4B><EFBFBD><EFBFBD><EFBFBD>p<EFBFBD><70><EFBFBD><EFBFBD><EFBFBD>[<5B>^<5E><><EFBFBD>t<EFBFBD>@<40>C<EFBFBD><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǂݍ<C782><DD8D><EFBFBD>
Waifu2x::eWaifu2xError Waifu2x::LoadParameter(boost::shared_ptr<caffe::Net<float>> net, const std::string &param_path)
{
	rapidjson::Document d;
	std::vector<char> jsonBuf;

	try
	{
		FILE *fp = fopen(param_path.c_str(), "rb");
		if (fp == nullptr)
			return eWaifu2xError_FailedOpenModelFile;

		fseek(fp, 0, SEEK_END);
		const auto size = ftell(fp);
		fseek(fp, 0, SEEK_SET);

		jsonBuf.resize(size + 1);
		fread(jsonBuf.data(), 1, size, fp);

		fclose(fp);

		jsonBuf[jsonBuf.size() - 1] = '\0';

		d.Parse(jsonBuf.data());
	}
	catch (...)
	{
		return eWaifu2xError_FailedParseModelFile;
	}

	std::vector<boost::shared_ptr<caffe::Layer<float>>> list;
	auto &v = net->layers();
	for (auto &l : v)
	{
		auto lk = l->type();
		auto &bv = l->blobs();
		if (bv.size() > 0)
			list.push_back(l);
	}

	try
	{
		int count = 0;
		for (auto it = d.Begin(); it != d.End(); ++it)
		{
			const auto &weight = (*it)["weight"];
			const auto nInputPlane = (*it)["nInputPlane"].GetInt();
			const auto nOutputPlane = (*it)["nOutputPlane"].GetInt();
			const auto kW = (*it)["kW"].GetInt();
			const auto &bias = (*it)["bias"];

			auto leyer = list[count];

			auto &b0 = leyer->blobs()[0];
			auto &b1 = leyer->blobs()[1];

			float *b0Ptr = nullptr;
			float *b1Ptr = nullptr;

			if (caffe::Caffe::mode() == caffe::Caffe::CPU)
			{
				b0Ptr = b0->mutable_cpu_data();
				b1Ptr = b1->mutable_cpu_data();
			}
			else
			{
				b0Ptr = b0->mutable_gpu_data();
				b1Ptr = b1->mutable_gpu_data();
			}

			const auto WeightSize1 = weight.Size();
			const auto WeightSize2 = weight[0].Size();
			const auto KernelHeight = weight[0][0].Size();
			const auto KernelWidth = weight[0][0][0].Size();

			if (!(b0->count() == WeightSize1 * WeightSize2 * KernelHeight * KernelWidth))
				return eWaifu2xError_FailedConstructModel;

			if (!(b1->count() == bias.Size()))
				return eWaifu2xError_FailedConstructModel;

			size_t weightCount = 0;
			std::vector<float> weightList;
			for (auto it2 = weight.Begin(); it2 != weight.End(); ++it2)
			{
				for (auto it3 = (*it2).Begin(); it3 != (*it2).End(); ++it3)
				{
					for (auto it4 = (*it3).Begin(); it4 != (*it3).End(); ++it4)
					{
						for (auto it5 = (*it4).Begin(); it5 != (*it4).End(); ++it5)
							weightList.push_back((float)it5->GetDouble());
					}
				}
			}

			caffe::caffe_copy(b0->count(), weightList.data(), b0Ptr);

			std::vector<float> biasList;
			for (auto it2 = bias.Begin(); it2 != bias.End(); ++it2)
				biasList.push_back((float)it2->GetDouble());

			caffe::caffe_copy(b1->count(), biasList.data(), b1Ptr);

			count++;
		}
	}
	catch (...)
	{
		return eWaifu2xError_FailedConstructModel;
	}

	return eWaifu2xError_OK;
}

// <20><><EFBFBD>f<EFBFBD><66><EFBFBD>t<EFBFBD>@<40>C<EFBFBD><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>l<EFBFBD>b<EFBFBD>g<EFBFBD><67><EFBFBD>[<5B>N<EFBFBD><4E><EFBFBD>\<5C>z
// process<73><73>cudnn<6E><6E><EFBFBD>w<EFBFBD>肳<EFBFBD><E882B3><EFBFBD>Ȃ<EFBFBD><C882><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ꍇ<EFBFBD><EA8D87>cuDNN<4E><4E><EFBFBD>Ăяo<D18F><6F><EFBFBD><EFBFBD><EFBFBD>Ȃ<EFBFBD><C882>悤<EFBFBD>ɕύX<CF8D><58><EFBFBD><EFBFBD>
Waifu2x::eWaifu2xError Waifu2x::ConstractNet(boost::shared_ptr<caffe::Net<float>> &net, const std::string &model_path, const std::string &process)
{
	caffe::NetParameter param;
	if (!caffe::ReadProtoFromTextFile(model_path, &param))
		return eWaifu2xError_FailedOpenModelFile;

	param.mutable_state()->set_phase(caffe::TEST);

	for (int i = 0; i < param.layer_size(); i++)
	{
		caffe::LayerParameter *layer_param = param.mutable_layer(i);
		const std::string& type = layer_param->type();
		if (type == "Convolution")
		{
			if (process == "cudnn")
				layer_param->mutable_convolution_param()->set_engine(caffe::ConvolutionParameter_Engine_CUDNN);
			else
				layer_param->mutable_convolution_param()->set_engine(caffe::ConvolutionParameter_Engine_CAFFE);
		}
		else if (type == "ReLU")
		{
			if (process == "cudnn")
				layer_param->mutable_relu_param()->set_engine(caffe::ReLUParameter_Engine_CUDNN);
			else
				layer_param->mutable_relu_param()->set_engine(caffe::ReLUParameter_Engine_CAFFE);
		}
		else if (type == "MemoryData")
		{
			if (layer_param->mutable_memory_data_param()->width() == original_width_height && layer_param->mutable_memory_data_param()->height() == original_width_height)
			{
				layer_param->mutable_memory_data_param()->set_width(block_width_height);
				layer_param->mutable_memory_data_param()->set_height(block_width_height);
			}
		}
	}

	net = boost::shared_ptr<caffe::Net<float>>(new caffe::Net<float>(param));

	return eWaifu2xError_OK;
}

// <20>l<EFBFBD>b<EFBFBD>g<EFBFBD><67><EFBFBD>[<5B>N<EFBFBD><4E><EFBFBD>g<EFBFBD><67><EFBFBD>ĉ摜<C489><E6919C><EFBFBD>č\<5C>z<EFBFBD><7A><EFBFBD><EFBFBD>
Waifu2x::eWaifu2xError Waifu2x::ReconstructImage(boost::shared_ptr<caffe::Net<float>> net, cv::Mat &im)
{
	const auto Height = im.size().height;
	const auto Width = im.size().width;
	const auto Line = im.step1();

	assert(Width % output_size == 0);
	assert(Height % output_size == 0);

	assert(im.channels() == 1);

	float *imptr = (float *)im.data;

	try
	{
		const auto input_layer =
			boost::dynamic_pointer_cast<caffe::MemoryDataLayer<float>>(
			net->layer_by_name("image_input_layer"));
		assert(input_layer);

		const auto conv7_layer =
			boost::dynamic_pointer_cast<caffe::ConvolutionLayer<float>>(
			net->layer_by_name("conv7_layer"));
		assert(conv7_layer);

		

		input_layer->set_batch_size(batch_size);

		const int WidthNum = Width / output_size;
		const int HeightNum = Height / output_size;

		const int BlockNum = WidthNum * HeightNum;

		const int input_block_plane_size = block_width_height * block_width_height;
		const int output_block_plane_size = block_size * block_size;

		std::vector<float> block(input_block_plane_size * batch_size, 0.0f);
		std::vector<float> dummy_data(block.size(), 0.0f);

		// <20>摜<EFBFBD><E6919C>(<28><><EFBFBD><EFBFBD><EF8381><EFBFBD><EFBFBD><EFBFBD>̓s<CC93><73><EFBFBD><EFBFBD>)output_size*output_size<7A>ɕ<EFBFBD><C995><EFBFBD><EFBFBD>čč\<5C>z<EFBFBD><7A><EFBFBD><EFBFBD>
		for (int num = 0; num < BlockNum; num += batch_size)
		{
			const int processNum = (BlockNum - num) >= batch_size ? batch_size : BlockNum - num;

			if (processNum < batch_size)
				input_layer->set_batch_size(processNum);

			for (int n = 0; n < processNum; n++)
			{
				const int wn = (num + n) % WidthNum;
				const int hn = (num + n) / WidthNum;

				const int w = wn * output_size;
				const int h = hn * output_size;

				if (w + block_size <= Width && h + block_size <= Height)
				{
					{
						cv::Mat someimg = im(cv::Rect(w, h, block_size, block_size));
						cv::Mat someborderimg;
						// <20>摜<EFBFBD>𒆉<EFBFBD><F0928689>Ƀp<C983>f<EFBFBD>B<EFBFBD><42><EFBFBD>O<EFBFBD>B<EFBFBD>]<5D><><EFBFBD><EFBFBD>cv::BORDER_REPLICATE<54>Ŗ<EFBFBD><C596>߂<EFBFBD>
						cv::copyMakeBorder(someimg, someborderimg, layer_num, layer_num, layer_num, layer_num, cv::BORDER_REPLICATE);
						someimg.release();

						// <20>摜<EFBFBD>𒼗<EFBFBD><F092BC97>ɕϊ<C995>
						{
							float *fptr = block.data() + (input_block_plane_size * n);
							const float *uptr = (const float *)someborderimg.data;

							const auto Line = someborderimg.step1();

							if (block_width_height == Line)
								memcpy(fptr, uptr, block_width_height * block_width_height * sizeof(float));
							else
							{
								for (int i = 0; i < block_width_height; i++)
									memcpy(fptr + i * block_width_height, uptr + i * Line, block_width_height * sizeof(float));
							}
						}
					}
				}
			}

			// <20>l<EFBFBD>b<EFBFBD>g<EFBFBD><67><EFBFBD>[<5B>N<EFBFBD>ɉ摜<C989><E6919C><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
			input_layer->Reset(block.data(), dummy_data.data(), block.size());

			// <20>v<EFBFBD>Z
			auto out = net->ForwardPrefilled(nullptr);

			auto b = out[0];

			assert(b->count() == output_block_plane_size * processNum);

			const float *ptr = nullptr;

			if (caffe::Caffe::mode() == caffe::Caffe::CPU)
				ptr = b->cpu_data();
			else
				ptr = b->gpu_data();

			caffe::caffe_copy(output_block_plane_size * processNum, ptr, block.data());

			for (int n = 0; n < processNum; n++)
			{
				const int wn = (num + n) % WidthNum;
				const int hn = (num + n) / WidthNum;

				const int w = wn * output_size;
				const int h = hn * output_size;

				const float *fptr = block.data() + (output_block_plane_size * n);

				// <20><><EFBFBD>ʂ<EFBFBD><CA82><EFBFBD><EFBFBD>͉摜<CD89>ɃR<C983>s<EFBFBD>[(<28><><EFBFBD>ɏ<EFBFBD><C98F><EFBFBD><EFBFBD><EFBFBD><EFBFBD>镔<EFBFBD><E99594><EFBFBD>Ƃ<EFBFBD><C682><EFBFBD><EFBFBD>ŏ㏑<C58F><E38F91><EFBFBD><EFBFBD><EFBFBD>镔<EFBFBD><E99594><EFBFBD>͔<EFBFBD><CD94><EFBFBD><EFBFBD>Ȃ<EFBFBD><C882><EFBFBD><EFBFBD><EFBFBD><EFBFBD>A<EFBFBD><41><EFBFBD>͉摜<CD89><E6919C><EFBFBD>㏑<EFBFBD><E38F91><EFBFBD><EFBFBD><EFBFBD>Ă<EFBFBD><C482><EFBFBD><EFBFBD><EFBFBD><EFBFBD>v)
				for (int i = 0; i < block_size; i++)
					caffe::caffe_copy(block_size, fptr + i * block_size, imptr + (h + i) * Line + w);
			}
		}
	}
	catch (...)
	{
		return eWaifu2xError_FailedProcessCaffe;
	}

	return eWaifu2xError_OK;
}

Waifu2x::eWaifu2xError Waifu2x::init(int argc, char** argv, const std::string &Mode, const int NoiseLevel, const double ScaleRatio, const std::string &ModelDir, const std::string &Process)
{
	Waifu2x::eWaifu2xError ret;

	if (is_inited)
		return eWaifu2xError_OK;

	if (ScaleRatio <= 0.0)
		return eWaifu2xError_InvalidParameter;

	mode = Mode;
	noise_level = NoiseLevel;
	scale_ratio = ScaleRatio;
	model_dir = ModelDir;
	process = Process;

	std::call_once(waifu2x_once_flag, [argc, argv]()
	{
		assert(argc >= 1);

		int tmpargc = 1;
		char* tmpargvv[] = { argv[0] };
		char** tmpargv = tmpargvv;
		// glog<6F><67><EFBFBD>̏<EFBFBD><CC8F><EFBFBD><EFBFBD><EFBFBD>
		caffe::GlobalInit(&tmpargc, &tmpargv);
	});

	const auto cuDNNCheckStartTime = std::chrono::system_clock::now();

	if (process == "gpu")
	{
		// cuDNN<4E><4E><EFBFBD>g<EFBFBD><67><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȃ<EFBFBD>cuDNN<4E><4E><EFBFBD>g<EFBFBD><67>
		if (can_use_cuDNN())
			process = "cudnn";
	}

	const auto cuDNNCheckEndTime = std::chrono::system_clock::now();

	boost::filesystem::path mode_dir_path(model_dir);
	if (!mode_dir_path.is_absolute()) // model_dir<69><72><EFBFBD><EFBFBD><EFBFBD>΃p<CE83>X<EFBFBD>Ȃ<EFBFBD><C882><EFBFBD><EFBFBD>΃p<CE83>X<EFBFBD>ɒ<EFBFBD><C992><EFBFBD>
	{
		// <20>܂<EFBFBD><DC82>̓J<CD83><4A><EFBFBD><EFBFBD><EFBFBD>g<EFBFBD>f<EFBFBD>B<EFBFBD><42><EFBFBD>N<EFBFBD>g<EFBFBD><67><EFBFBD><EFBFBD><EFBFBD>ɂ<EFBFBD><C982>邩<EFBFBD>T<EFBFBD><54>
		mode_dir_path = boost::filesystem::absolute(model_dir);
		if (!boost::filesystem::exists(mode_dir_path) && argc >= 1) // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>argv[0]<5D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>s<EFBFBD>t<EFBFBD>@<40>C<EFBFBD><43><EFBFBD>̂<EFBFBD><CC82><EFBFBD><EFBFBD>t<EFBFBD>H<EFBFBD><48><EFBFBD>_<EFBFBD>𐄒肵<F0908492>A<EFBFBD><41><EFBFBD>̃t<CC83>H<EFBFBD><48><EFBFBD>_<EFBFBD><5F><EFBFBD>ɂ<EFBFBD><C982>邩<EFBFBD>T<EFBFBD><54>
		{
			boost::filesystem::path a0(argv[0]);
			if (a0.is_absolute())
				mode_dir_path = a0.branch_path() / model_dir;
		}
	}

	if (!boost::filesystem::exists(mode_dir_path))
		return eWaifu2xError_FailedOpenModelFile;

	if (process == "cpu")
		caffe::Caffe::set_mode(caffe::Caffe::CPU);
	else
		caffe::Caffe::set_mode(caffe::Caffe::GPU);

	if (mode == "noise" || mode == "noise_scale" || mode == "auto_scale")
	{
		const std::string model_path = (mode_dir_path / "srcnn.prototxt").string();
		const std::string param_path = (mode_dir_path / ("noise" + std::to_string(noise_level) + "_model.json")).string();

		ret = ConstractNet(net_noise, model_path, process);
		if (ret != eWaifu2xError_OK)
			return ret;

		ret = LoadParameter(net_noise, param_path);
		if (ret != eWaifu2xError_OK)
			return ret;
	}

	if (mode == "scale" || mode == "noise_scale" || mode == "auto_scale")
	{
		const std::string model_path = (mode_dir_path / "srcnn.prototxt").string();
		const std::string param_path = (mode_dir_path / "scale2.0x_model.json").string();

		ret = ConstractNet(net_scale, model_path, process);
		if (ret != eWaifu2xError_OK)
			return ret;

		ret = LoadParameter(net_scale, param_path);
		if (ret != eWaifu2xError_OK)
			return ret;
	}

	is_inited = true;

	return eWaifu2xError_OK;
}

void Waifu2x::destroy()
{
	net_noise.reset();
	net_scale.reset();

	is_inited = false;
}

Waifu2x::eWaifu2xError Waifu2x::waifu2x(const std::string &input_file, const std::string &output_file,
	const waifu2xCancelFunc cancel_func)
{
	Waifu2x::eWaifu2xError ret;

	if (!is_inited)
		return eWaifu2xError_NotInitialized;

	cv::Mat float_image;
	ret = LoadImage(float_image, input_file);
	if (ret != eWaifu2xError_OK)
		return ret;

	cv::Mat im;
	CreateBrightnessImage(float_image, im);

	cv::Size_<int> image_size = im.size();

	const boost::filesystem::path ip(input_file);
	const boost::filesystem::path ipext(ip.extension());

	const bool isJpeg = boost::iequals(ipext.string(), ".jpg") || boost::iequals(ipext.string(), ".jpeg");

	const bool isReconstructNoise = mode == "noise" || mode == "noise_scale" || (mode == "auto_scale" && isJpeg);
	const bool isReconstructScale = mode == "scale" || mode == "noise_scale";

	if (isReconstructNoise)
	{
		PaddingImage(im, im);

		ret = ReconstructImage(net_noise, im);
		if (ret != eWaifu2xError_OK)
			return ret;

		// <20>p<EFBFBD>f<EFBFBD>B<EFBFBD><42><EFBFBD>O<EFBFBD><4F><EFBFBD><EFBFBD><EFBFBD>蕥<EFBFBD><E895A5>
		im = im(cv::Rect(offset, offset, image_size.width, image_size.height));
	}

	if (cancel_func && cancel_func())
		return eWaifu2xError_Cancel;

	const int scale2 = ceil(log2(scale_ratio));
	const double shrinkRatio = scale_ratio / std::pow(2.0, (double)scale2);

	if (isReconstructScale)
	{
		bool isError = false;
		for (int i = 0; i < scale2; i++)
		{
			Zoom2xAndPaddingImage(im, im, image_size);

			ret = ReconstructImage(net_scale, im);
			if (ret != eWaifu2xError_OK)
				return ret;

			// <20>p<EFBFBD>f<EFBFBD>B<EFBFBD><42><EFBFBD>O<EFBFBD><4F><EFBFBD><EFBFBD><EFBFBD>蕥<EFBFBD><E895A5>
			im = im(cv::Rect(offset, offset, image_size.width, image_size.height));
		}
	}

	if (cancel_func && cancel_func())
		return eWaifu2xError_Cancel;

	// <20>č\<5C>z<EFBFBD><7A><EFBFBD><EFBFBD><EFBFBD>P<EFBFBD>x<EFBFBD>摜<EFBFBD><E6919C>CreateZoomColorImage()<29>ō쐬<C58D><EC90AC><EFBFBD><EFBFBD><EFBFBD>F<EFBFBD><46><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>}<7D>[<5B>W<EFBFBD><57><EFBFBD>Ēʏ<C492><CA8F>̉摜<CC89>ɕϊ<C995><CF8A><EFBFBD><EFBFBD>A<EFBFBD><41><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>

	std::vector<cv::Mat> color_planes;
	CreateZoomColorImage(float_image, image_size, color_planes);

	cv::Mat alpha;
	if (float_image.channels() == 4)
	{
		std::vector<cv::Mat> planes;
		cv::split(float_image, planes);
		alpha = planes[3];

		cv::resize(alpha, alpha, image_size, 0.0, 0.0, cv::INTER_CUBIC);
	}

	float_image.release();

	color_planes[0] = im;
	im.release();

	cv::Mat converted_image;
	cv::merge(color_planes, converted_image);
	color_planes.clear();

	cv::Mat process_image;
	cv::cvtColor(converted_image, process_image, ConvertInverseMode);
	converted_image.release();

	// <20>A<EFBFBD><41><EFBFBD>t<EFBFBD>@<40>`<60><><EFBFBD><EFBFBD><EFBFBD>l<EFBFBD><6C><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>A<EFBFBD>A<EFBFBD><41><EFBFBD>t<EFBFBD>@<40><><EFBFBD>t<EFBFBD><74><EFBFBD><EFBFBD><EFBFBD>ăJ<C483><4A><EFBFBD>[<5B><><EFBFBD><EFBFBD><EFBFBD>A<EFBFBD><41><EFBFBD>t<EFBFBD>@<40>̉e<CC89><65><EFBFBD>𔲂<EFBFBD>
	if (!alpha.empty())
	{
		std::vector<cv::Mat> planes;
		cv::split(process_image, planes);
		process_image.release();

		planes.push_back(alpha);

		cv::Mat w2 = planes[3];

		planes[0] = (planes[0] - 1.0).mul(1.0 / w2) + 1.0;
		planes[1] = (planes[1] - 1.0).mul(1.0 / w2) + 1.0;
		planes[2] = (planes[2] - 1.0).mul(1.0 / w2) + 1.0;

		cv::merge(planes, process_image);
	}

	const cv::Size_<int> ns(image_size.width * shrinkRatio, image_size.height * shrinkRatio);
	if (image_size.width != ns.width || image_size.height != ns.height)
		cv::resize(process_image, process_image, ns, 0.0, 0.0, cv::INTER_LINEAR);

	cv::Mat write_iamge;
	process_image.convertTo(write_iamge, CV_8U, 255.0);
	process_image.release();

	if (!cv::imwrite(output_file, write_iamge))
		return eWaifu2xError_FailedOpenOutputFile;

	write_iamge.release();

	return eWaifu2xError_OK;
}

const std::string& Waifu2x::used_process() const
{
	return process;
}