提交Unet模型python和C++代码示例

Src/Sample.cpp

+#include <Sample.h>
+#include <opencv2/dnn.hpp>
+#include <SimpleLog.h>
+#include <Filesystem.h>
+#include <Unet.h>
+
+using namespace std;
+using namespace cv;
+using namespace cv::dnn;
+using namespace migraphx;
+using namespace migraphxSamples;
+
+void Sample_Unet()
+{
+    // 加载Unet模型
+    Unet unet;
+    InitializationParameterOfSegmentation initParamOfSegmentationUnet;
+    initParamOfSegmentationUnet.parentPath = "";
+    initParamOfSegmentationUnet.configFilePath = CONFIG_FILE;
+    initParamOfSegmentationUnet.logName = "";
+    ErrorCode errorCode=unet.Initialize(initParamOfSegmentationUnet);
+    if(errorCode!=SUCCESS)
+    {
+        LOG_ERROR(stdout, "fail to initialize Unet!\n");
+        exit(-1);
+    }
+    LOG_INFO(stdout, "succeed to initialize Unet\n");
+
+    // 读取图像
+    cv::Mat srcImage =cv::imread("../Resource/Images/car1.jpeg", 1);
+   
+    // 推理
+    cv::Mat maskImage;   
+    double time1 = getTickCount();
+    unet.Segmentation(srcImage, maskImage);
+    double time2 = getTickCount();
+    double elapsedTime = (time2 - time1) * 1000 / getTickFrequency();
+    LOG_INFO(stdout, "inference time:%f ms\n", elapsedTime);
+    LOG_INFO(stdout,"========== Segmentation Results ==========\n");
+    LOG_INFO(stdout,"Segmentation results have been saved to ./Result.jpg\n");
+    cv::imwrite("./Result.jpg", maskImage);
+}
\ No newline at end of file

Src/Sample.h

+// 示例程序
+
+#ifndef __SAMPLE_H__
+#define __SAMPLE_H__
+
+// Unet sample
+void Sample_Unet();
+
+#endif
\ No newline at end of file

Src/Segmentation/Unet.cpp

+#include <Unet.h>
+#include <migraphx/onnx.hpp>
+#include <migraphx/gpu/target.hpp>
+#include <migraphx/gpu/hip.hpp>
+#include <migraphx/generate.hpp>
+#include <migraphx/quantization.hpp>
+#include <opencv2/dnn.hpp>
+#include <CommonUtility.h>
+#include <Filesystem.h>
+#include <SimpleLog.h>
+
+using namespace cv::dnn;
+
+namespace migraphxSamples
+{
+
+Unet::Unet():logFile(NULL)
+{
+    
+}
+
+Unet::~Unet()
+{
+    configurationFile.release();
+}
+
+ErrorCode Unet::Initialize(InitializationParameterOfSegmentation initParamOfSegmentationUnet)
+{
+    // 初始化(获取日志文件,加载配置文件等)
+    ErrorCode errorCode=DoCommonInitialization(initParamOfSegmentationUnet);
+    if(errorCode!=SUCCESS)
+    {
+        LOG_ERROR(logFile,"fail to DoCommonInitialization\n");
+        return errorCode;
+    }
+    LOG_INFO(logFile,"succeed to DoCommonInitialization\n");
+
+    // 获取配置文件参数
+    FileNode netNode = configurationFile["Unet"];
+    std::string modelPath=initializationParameter.parentPath+(std::string)netNode["ModelPath"];
+
+    // 加载模型
+    if(Exists(modelPath)==false)
+    {
+        LOG_ERROR(logFile,"%s not exist!\n",modelPath.c_str());
+        return MODEL_NOT_EXIST;
+    }
+    net = migraphx::parse_onnx(modelPath);       
+    LOG_INFO(logFile,"succeed to load model: %s\n",GetFileName(modelPath).c_str());
+
+    // 获取模型输入属性
+    std::pair<std::string, migraphx::shape> inputAttribute=*(net.get_parameter_shapes().begin());
+    inputName=inputAttribute.first;
+    inputShape=inputAttribute.second;
+    inputSize=cv::Size(inputShape.lens()[3],inputShape.lens()[2]);
+
+    // 设置模型为GPU模式
+    migraphx::target gpuTarget = migraphx::gpu::target{};
+
+    // 编译模型
+    migraphx::compile_options options;
+    options.device_id=0;                          // 设置GPU设备，默认为0号设备
+    options.offload_copy=true;                    // 设置offload_copy
+    net.compile(gpuTarget,options);
+    LOG_INFO(logFile,"succeed to compile model: %s\n",GetFileName(modelPath).c_str());
+
+    // Run once by itself
+    migraphx::parameter_map inputData;
+    inputData[inputName]=migraphx::generate_argument(inputShape);
+    net.eval(inputData);                          
+
+    // log输出日志信息
+    LOG_INFO(logFile,"InputSize:%dx%d\n",inputSize.width,inputSize.height);
+    LOG_INFO(logFile,"InputName:%s\n",inputName.c_str());
+
+    return SUCCESS;
+}
+
+ErrorCode Unet::DoCommonInitialization(InitializationParameterOfSegmentation initParamOfSegmentationUnet)
+{
+    initializationParameter = initParamOfSegmentationUnet;
+
+    // 获取日志文件
+    logFile=LogManager::GetInstance()->GetLogFile(initializationParameter.logName);
+
+    // 加载配置文件
+    std::string configFilePath=initializationParameter.configFilePath;
+    if(!Exists(configFilePath)) 
+    {
+        LOG_ERROR(logFile, "no configuration file!\n");
+        return CONFIG_FILE_NOT_EXIST;
+    }
+    if(!configurationFile.open(configFilePath, FileStorage::READ))
+    {
+        LOG_ERROR(logFile, "fail to open configuration file\n");
+        return FAIL_TO_OPEN_CONFIG_FILE;
+    }
+    LOG_INFO(logFile, "succeed to open configuration file\n");
+
+    // 修改父路径
+    std::string &parentPath = initializationParameter.parentPath;
+    if (!parentPath.empty())
+    {
+        if(!IsPathSeparator(parentPath[parentPath.size() - 1]))
+        {
+           parentPath+=PATH_SEPARATOR;
+        }
+    }
+    
+    return SUCCESS;
+}
+
+ErrorCode Unet::Segmentation(const cv::Mat &srcImage, cv::Mat &maskImage)
+{
+    if(srcImage.empty()||srcImage.type()!=CV_8UC3)
+    {
+        LOG_ERROR(logFile, "image error!\n");
+        return IMAGE_ERROR;
+    }
+
+    // 图像预处理并转换为NCHW
+    cv::Mat inputBlob;
+    cv::dnn::blobFromImage(srcImage,
+                    inputBlob,
+                    1 / 255.0,
+                    inputSize,
+                    Scalar(0, 0, 0),
+                    true,
+                    false);
+
+    // 输入数据
+    migraphx::parameter_map inputData;
+    inputData[inputName]= migraphx::argument{inputShape, (float*)inputBlob.data};
+
+    // 推理
+    std::vector<migraphx::argument> results = net.eval(inputData);
+
+    // 获取输出节点的属性
+    migraphx::argument result = results[0];                 // 获取第一个输出节点的数据
+    migraphx::shape outputShape=result.get_shape();         // 输出节点的shape
+    std::vector<std::size_t> outputSize=outputShape.lens(); // 每一维大小，维度顺序为(N,C,H,W) 
+    int numberOfOutput=outputShape.elements();              // 输出节点元素的个数
+    float *data = (float *)result.data();                   // 输出节点数据指针
+
+    // 计算sigmoid值，并且当大于0.996时，值为1,当小于0.996时，值为0，存储在value_mask[]数组中
+    int value_mask[numberOfOutput];
+    for(int i=0; i<numberOfOutput; ++i)
+    {
+        float num  = Sigmoid(data[i]);
+        if (num > 0.996)
+        {
+            value_mask[i] = 1;
+        }
+        else
+        {
+            value_mask[i] = 0;
+        }
+    }
+
+    // 将对应的value_mask[]数组中的值按行依次赋值到outputImage对应位置处
+    cv::Mat outputImage = cv::Mat_<int>(Size(outputShape.lens()[3], outputShape.lens()[2]), CV_32S);
+    for(int i=0;i<outputShape.lens()[2];++i)
+    {
+        for(int j=0;j<outputShape.lens()[3];++j)
+        {
+            outputImage.at<int>(i,j)=value_mask[256*i+j];   //其中，256代表了outputShape.lens()[3]的值
+        }
+    }
+    outputImage.convertTo(maskImage, CV_8U, 255.0);
+
+    return SUCCESS;
+
+}
+
+float Unet::Sigmoid(float x)
+{
+    return (1 / (1 + exp(-x)));
+}
+
+}

Src/Segmentation/Unet.h

+#ifndef __UNET_H__
+#define __UNET_H__
+
+#include <string>
+#include <migraphx/program.hpp>
+#include <opencv2/opencv.hpp>
+#include <CommonDefinition.h>
+
+using namespace std;
+using namespace cv;
+using namespace migraphx;
+
+namespace migraphxSamples
+{
+
+class  Unet
+{
+public:
+    Unet();
+    
+    ~Unet();
+
+    ErrorCode Initialize(InitializationParameterOfSegmentation initParamOfSegmentationUnet);
+
+    ErrorCode Segmentation(const cv::Mat &srcImage, cv::Mat &maskImage);
+
+private:
+    ErrorCode DoCommonInitialization(InitializationParameterOfSegmentation initParamOfSegmentationUnet);
+
+    float Sigmoid(float x);
+
+private:
+    FILE *logFile;
+    cv::FileStorage configurationFile;
+    InitializationParameterOfSegmentation initializationParameter;
+
+    migraphx::program net;
+    cv::Size inputSize;
+    std::string inputName;
+    migraphx::shape inputShape;
+    float scale;
+         
+};
+
+}
+    
+#endif

Src/Utility/CommonDefinition.h

+// 常用数据类型和宏定义
+
+#ifndef __COMMON_DEFINITION_H__
+#define __COMMON_DEFINITION_H__
+
+#include <string>
+#include <opencv2/opencv.hpp>
+
+using namespace std;
+using namespace cv;
+
+namespace migraphxSamples
+{
+   
+// 路径分隔符(Linux:‘/’,Windows:’\\’)
+#ifdef _WIN32
+#define  PATH_SEPARATOR '\\'
+#else
+#define  PATH_SEPARATOR '/'
+#endif
+
+#define CONFIG_FILE                                                     "../Resource/Configuration.xml"
+
+typedef struct  __Time
+{
+    string year;
+    string month;
+    string day;
+    string hour;
+    string minute;
+    string second;
+    string millisecond; // ms
+    string microsecond; // us
+    string weekDay;
+}_Time;
+
+typedef enum  _ErrorCode
+{
+    SUCCESS=0,  // 0
+    MODEL_NOT_EXIST, // 模型不存在
+    CONFIG_FILE_NOT_EXIST, // 配置文件不存在
+    FAIL_TO_LOAD_MODEL, // 加载模型失败
+    FAIL_TO_OPEN_CONFIG_FILE, // 加载配置文件失败
+    IMAGE_ERROR, // 图像错误
+}ErrorCode;
+
+typedef struct  _ResultOfPrediction
+{
+    float confidence;
+    int label;
+    _ResultOfPrediction():confidence(0.0f),label(0){}
+
+}ResultOfPrediction;
+
+typedef struct  _ResultOfDetection
+{
+    Rect boundingBox;
+    float confidence;
+    int classID;
+    string className;
+    bool exist;
+
+    _ResultOfDetection():confidence(0.0f),classID(0),exist(true){}
+
+}ResultOfDetection;
+
+typedef struct  _InitializationParameterOfSegmentation
+{
+    std::string parentPath;
+    std::string configFilePath;
+    cv::Size inputSize;
+    std::string logName;
+}InitializationParameterOfSegmentation;
+
+}
+
+#endif
+

Src/Utility/CommonUtility.cpp

+#include <CommonUtility.h>
+#include <assert.h>
+#include <ctype.h>
+#include <time.h>
+#include <stdlib.h>
+#include <algorithm>
+#include <sstream>
+#include <vector>
+
+#ifdef _WIN32
+#include <io.h>
+#include <direct.h>
+#include <Windows.h>
+#else
+#include <unistd.h>
+#include <dirent.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#endif
+
+#include <SimpleLog.h>
+
+namespace migraphxSamples
+{
+
+
+_Time GetCurrentTime3()
+{
+    _Time currentTime;
+
+#if (defined WIN32 || defined _WIN32)
+	SYSTEMTIME systemTime;
+	GetLocalTime(&systemTime);
+
+	char temp[8] = { 0 };
+	sprintf(temp, "%04d", systemTime.wYear);
+	currentTime.year=string(temp);
+	sprintf(temp, "%02d", systemTime.wMonth);
+	currentTime.month=string(temp);
+	sprintf(temp, "%02d", systemTime.wDay);
+	currentTime.day=string(temp);
+	sprintf(temp, "%02d", systemTime.wHour);
+	currentTime.hour=string(temp);
+	sprintf(temp, "%02d", systemTime.wMinute);
+	currentTime.minute=string(temp);
+	sprintf(temp, "%02d", systemTime.wSecond);
+	currentTime.second=string(temp);
+	sprintf(temp, "%03d", systemTime.wMilliseconds);
+	currentTime.millisecond=string(temp);
+	sprintf(temp, "%d", systemTime.wDayOfWeek);
+	currentTime.weekDay=string(temp);
+#else
+	struct timeval    tv;
+	struct tm         *p;
+	gettimeofday(&tv, NULL);
+	p = localtime(&tv.tv_sec);
+
+	char temp[8]={0};
+    sprintf(temp,"%04d",1900+p->tm_year);
+    currentTime.year=string(temp);
+	sprintf(temp,"%02d",1+p->tm_mon);
+	currentTime.month=string(temp);
+	sprintf(temp,"%02d",p->tm_mday);
+	currentTime.day=string(temp);
+	sprintf(temp,"%02d",p->tm_hour);
+	currentTime.hour=string(temp);
+	sprintf(temp,"%02d",p->tm_min);
+	currentTime.minute=string(temp);
+	sprintf(temp,"%02d",p->tm_sec);
+	currentTime.second=string(temp);
+	sprintf(temp,"%03d",tv.tv_usec/1000);
+	currentTime.millisecond = string(temp);
+    sprintf(temp, "%03d", tv.tv_usec % 1000);
+	currentTime.microsecond = string(temp);
+    sprintf(temp, "%d", p->tm_wday);
+    currentTime.weekDay = string(temp);
+#endif
+    return currentTime;
+}
+
+std::vector<std::string> SplitString(std::string str, std::string separator)
+{
+    std::string::size_type pos;
+    std::vector<std::string> result;
+    str+=separator;//扩展字符串以方便操作
+    int size=str.size();
+
+    for(int i=0; i<size; i++)
+    {
+        pos=str.find(separator,i);
+        if(pos<size)
+        {
+            std::string s=str.substr(i,pos-i);
+            result.push_back(s);
+            i=pos+separator.size()-1;
+        }
+    }
+    return result;
+}
+
+
+bool CompareConfidence(const ResultOfDetection &L,const ResultOfDetection &R)
+{
+    return L.confidence > R.confidence;
+}
+
+bool CompareArea(const ResultOfDetection &L,const ResultOfDetection &R)
+{
+    return L.boundingBox.area() > R.boundingBox.area();
+}
+
+void NMS(vector<ResultOfDetection> &detections, float IOUThreshold)
+{
+    // sort
+    std::sort(detections.begin(), detections.end(), CompareConfidence);
+
+    for (int i = 0; i<detections.size(); ++i)
+    {
+        if (detections[i].exist)
+        {
+            for (int j = i + 1; j<detections.size(); ++j)
+            {
+                if (detections[j].exist)
+                {
+                    // compute IOU
+                    float intersectionArea = (detections[i].boundingBox & detections[j].boundingBox).area();
+                    float intersectionRate = intersectionArea / (detections[i].boundingBox.area() + detections[j].boundingBox.area() - intersectionArea);
+
+                    if (intersectionRate>IOUThreshold)
+                    {
+                        detections[j].exist = false;
+                    }
+                }
+            }
+        }
+    }
+
+}
+
+}

Src/Utility/CommonUtility.h

+// 常用工具
+
+#ifndef __COMMON_UTILITY_H__
+#define __COMMON_UTILITY_H__
+
+#include <mutex>
+#include <string>
+#include <vector>
+#include <CommonDefinition.h>
+
+using namespace std;
+
+namespace migraphxSamples
+{
+
+// 分割字符串
+std::vector<std::string> SplitString(std::string str,std::string separator);
+
+// 排序规则: 按照置信度或者按照面积排序
+bool CompareConfidence(const ResultOfDetection &L,const ResultOfDetection &R);
+bool CompareArea(const ResultOfDetection &L,const ResultOfDetection &R);
+
+void NMS(std::vector<ResultOfDetection> &detections, float IOUThreshold);
+
+}
+
+#endif

Src/Utility/Filesystem.cpp

+#include <Filesystem.h>
+#include <algorithm>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <fstream>
+#ifdef _WIN32
+#include <io.h>
+#include <direct.h>
+#include <Windows.h>
+#else
+#include <unistd.h>
+#include <dirent.h>
+#endif
+#include <CommonUtility.h>
+#include <opencv2/opencv.hpp>
+#include <SimpleLog.h>
+
+using namespace cv;
+ 
+// 路径分隔符(Linux:‘/’,Windows:’\\’)
+#ifdef _WIN32
+#define  PATH_SEPARATOR '\\'
+#else
+#define  PATH_SEPARATOR '/'
+#endif
+
+namespace migraphxSamples
+{
+
+#if defined _WIN32 || defined WINCE
+    const char dir_separators[] = "/\\";
+
+	struct dirent
+	{
+		const char* d_name;
+	};
+
+	struct DIR
+	{
+#ifdef WINRT
+		WIN32_FIND_DATAW data;
+#else
+        WIN32_FIND_DATAA data;
+#endif
+		HANDLE handle;
+		dirent ent;
+#ifdef WINRT
+		DIR() { }
+		~DIR()
+		{
+			if (ent.d_name)
+				delete[] ent.d_name;
+		}
+#endif
+	};
+
+	DIR* opendir(const char* path)
+	{
+		DIR* dir = new DIR;
+		dir->ent.d_name = 0;
+#ifdef WINRT
+		string full_path = string(path) + "\\*";
+		wchar_t wfull_path[MAX_PATH];
+		size_t copied = mbstowcs(wfull_path, full_path.c_str(), MAX_PATH);
+		CV_Assert((copied != MAX_PATH) && (copied != (size_t)-1));
+		dir->handle = ::FindFirstFileExW(wfull_path, FindExInfoStandard,
+			&dir->data, FindExSearchNameMatch, NULL, 0);
+#else
+		dir->handle = ::FindFirstFileExA((string(path) + "\\*").c_str(),
+			FindExInfoStandard, &dir->data, FindExSearchNameMatch, NULL, 0);
+#endif
+		if (dir->handle == INVALID_HANDLE_VALUE)
+		{
+			/*closedir will do all cleanup*/
+			delete dir;
+			return 0;
+		}
+		return dir;
+	}
+
+	dirent* readdir(DIR* dir)
+	{
+#ifdef WINRT
+		if (dir->ent.d_name != 0)
+		{
+			if (::FindNextFileW(dir->handle, &dir->data) != TRUE)
+				return 0;
+		}
+		size_t asize = wcstombs(NULL, dir->data.cFileName, 0);
+		CV_Assert((asize != 0) && (asize != (size_t)-1));
+		char* aname = new char[asize + 1];
+		aname[asize] = 0;
+		wcstombs(aname, dir->data.cFileName, asize);
+		dir->ent.d_name = aname;
+#else
+		if (dir->ent.d_name != 0)
+		{
+			if (::FindNextFileA(dir->handle, &dir->data) != TRUE)
+				return 0;
+		}
+		dir->ent.d_name = dir->data.cFileName;
+#endif
+		return &dir->ent;
+	}
+
+	void closedir(DIR* dir)
+	{
+		::FindClose(dir->handle);
+		delete dir;
+	}
+#else
+# include <dirent.h>
+# include <sys/stat.h>
+	const char dir_separators[] = "/";
+#endif
+
+	static bool isDir(const string &path, DIR* dir)
+	{
+#if defined _WIN32 || defined WINCE
+		DWORD attributes;
+		BOOL status = TRUE;
+		if (dir)
+			attributes = dir->data.dwFileAttributes;
+		else
+		{
+			WIN32_FILE_ATTRIBUTE_DATA all_attrs;
+#ifdef WINRT
+			wchar_t wpath[MAX_PATH];
+			size_t copied = mbstowcs(wpath, path.c_str(), MAX_PATH);
+			CV_Assert((copied != MAX_PATH) && (copied != (size_t)-1));
+			status = ::GetFileAttributesExW(wpath, GetFileExInfoStandard, &all_attrs);
+#else
+			status = ::GetFileAttributesExA(path.c_str(), GetFileExInfoStandard, &all_attrs);
+#endif
+			attributes = all_attrs.dwFileAttributes;
+		}
+
+		return status && ((attributes & FILE_ATTRIBUTE_DIRECTORY) != 0);
+#else
+		(void)dir;
+		struct stat stat_buf;
+		if (0 != stat(path.c_str(), &stat_buf))
+			return false;
+		int is_dir = S_ISDIR(stat_buf.st_mode);
+		return is_dir != 0;
+#endif
+	}
+
+	bool IsDirectory(const string &path)
+	{
+		return isDir(path, NULL);
+	}
+
+	bool Exists(const string& path)
+	{
+
+#if defined _WIN32 || defined WINCE
+			BOOL status = TRUE;
+		{
+			WIN32_FILE_ATTRIBUTE_DATA all_attrs;
+#ifdef WINRT
+			wchar_t wpath[MAX_PATH];
+			size_t copied = mbstowcs(wpath, path.c_str(), MAX_PATH);
+			CV_Assert((copied != MAX_PATH) && (copied != (size_t)-1));
+			status = ::GetFileAttributesExW(wpath, GetFileExInfoStandard, &all_attrs);
+#else
+			status = ::GetFileAttributesExA(path.c_str(), GetFileExInfoStandard, &all_attrs);
+#endif
+		}
+
+		return !!status;
+#else
+		struct stat stat_buf;
+		return (0 == stat(path.c_str(), &stat_buf));
+#endif
+	}
+
+    bool IsPathSeparator(char c)
+    {
+        return c == '/' || c == '\\';
+	}
+
+	string JoinPath(const string& base, const string& path)
+	{
+		if (base.empty())
+			return path;
+		if (path.empty())
+			return base;
+
+		bool baseSep = IsPathSeparator(base[base.size() - 1]);
+		bool pathSep = IsPathSeparator(path[0]);
+		string result;
+		if (baseSep && pathSep)
+		{
+			result = base + path.substr(1);
+		}
+		else if (!baseSep && !pathSep)
+		{
+            result = base + PATH_SEPARATOR + path;
+		}
+		else
+		{
+			result = base + path;
+		}
+		return result;
+	}
+
+	static bool wildcmp(const char *string, const char *wild)
+	{
+		const char *cp = 0, *mp = 0;
+
+		while ((*string) && (*wild != '*'))
+		{
+			if ((*wild != *string) && (*wild != '?'))
+			{
+				return false;
+			}
+
+			wild++;
+			string++;
+		}
+
+		while (*string)
+		{
+			if (*wild == '*')
+			{
+				if (!*++wild)
+				{
+					return true;
+				}
+
+				mp = wild;
+				cp = string + 1;
+			}
+			else if ((*wild == *string) || (*wild == '?'))
+			{
+				wild++;
+				string++;
+			}
+			else
+			{
+				wild = mp;
+				string = cp++;
+			}
+		}
+
+		while (*wild == '*')
+		{
+			wild++;
+		}
+
+		return *wild == 0;
+	}
+
+	static void glob_rec(const string &directory, const string& wildchart, std::vector<string>& result,
+		bool recursive, bool includeDirectories, const string& pathPrefix)
+	{
+		DIR *dir;
+
+		if ((dir = opendir(directory.c_str())) != 0)
+		{
+			/* find all the files and directories within directory */
+			try
+			{
+				struct dirent *ent;
+				while ((ent = readdir(dir)) != 0)
+				{
+					const char* name = ent->d_name;
+					if ((name[0] == 0) || (name[0] == '.' && name[1] == 0) || (name[0] == '.' && name[1] == '.' && name[2] == 0))
+						continue;
+
+					string path = JoinPath(directory, name);
+					string entry = JoinPath(pathPrefix, name);
+
+					if (isDir(path, dir))
+					{
+						if (recursive)
+							glob_rec(path, wildchart, result, recursive, includeDirectories, entry);
+						if (!includeDirectories)
+							continue;
+					}
+
+					if (wildchart.empty() || wildcmp(name, wildchart.c_str()))
+						result.push_back(entry);
+				}
+			}
+			catch (...)
+			{
+				closedir(dir);
+				throw;
+			}
+			closedir(dir);
+		}
+		else
+		{
+			LOG_INFO(stdout, "could not open directory: %s", directory.c_str());
+		}
+	}
+
+	void GetFileNameList(const string &directory, const string &pattern, std::vector<string>& result, bool recursive, bool addPath)
+	{
+        // split pattern
+        vector<string> patterns=SplitString(pattern,",");
+
+        result.clear();
+
+        for(int i=0;i<patterns.size();++i)
+        {
+            string eachPattern=patterns[i];
+            std::vector<string> eachResult;
+            glob_rec(directory, eachPattern, eachResult, recursive, true, directory);
+            for(int j=0;j<eachResult.size();++j)
+            {
+				if (IsDirectory(eachResult[j]))
+					continue;
+                if(addPath)
+                {
+                    result.push_back(eachResult[j]);
+                }
+                else
+                {
+                    result.push_back(GetFileName(eachResult[j]));
+                }
+            }
+        }
+		std::sort(result.begin(), result.end());
+	}
+
+	void GetFileNameList2(const string &directory, const string &pattern, std::vector<string>& result, bool recursive, bool addPath)
+	{
+		// split pattern
+		vector<string> patterns = SplitString(pattern, ",");
+
+        result.clear();
+
+		for (int i = 0; i<patterns.size(); ++i)
+		{
+			string eachPattern = patterns[i];
+			std::vector<string> eachResult;
+			glob_rec(directory, eachPattern, eachResult, recursive, true, directory);
+			for (int j = 0; j<eachResult.size(); ++j)
+			{
+				string filePath = eachResult[j];
+				if (IsDirectory(filePath))
+				{
+					filePath = filePath + "/";
+					for (int k = 0; k < filePath.size(); ++k)
+					{
+						if (IsPathSeparator(filePath[k]))
+						{
+							filePath[k] = '/';
+						}
+					}
+				}
+				if (addPath)
+				{
+					result.push_back(filePath);
+				}
+				else
+				{
+					if (!IsDirectory(filePath))
+					{
+						result.push_back(GetFileName(filePath));
+					}
+				}
+			}
+		}
+		std::sort(result.begin(), result.end());
+	}
+
+	void RemoveAll(const string& path)
+	{
+
+		if (!Exists(path))
+			return;
+
+		if (IsDirectory(path))
+		{
+			std::vector<string> entries;
+			GetFileNameList2(path, string(), entries, false, true);
+			for (size_t i = 0; i < entries.size(); i++)
+			{
+				const string& e = entries[i];
+				RemoveAll(e);
+			}
+#ifdef _MSC_VER
+			bool result = _rmdir(path.c_str()) == 0;
+#else
+			bool result = rmdir(path.c_str()) == 0;
+#endif
+			if (!result)
+			{
+				LOG_INFO(stdout, "can't remove directory: %s\n", path.c_str());
+			}
+		}
+		else
+		{
+#ifdef _MSC_VER
+			bool result = _unlink(path.c_str()) == 0;
+#else
+			bool result = unlink(path.c_str()) == 0;
+#endif
+			if (!result)
+			{
+				LOG_INFO(stdout, "can't remove file: %s\n", path.c_str());
+			}
+		}
+	}
+
+	void Remove(const string &directory, const string &extension)
+	{
+
+		DIR *dir;
+
+		static int numberOfFiles = 0;
+
+		if ((dir = opendir(directory.c_str())) != 0)
+		{
+			/* find all the files and directories within directory */
+			try
+			{
+				struct dirent *ent;
+				while ((ent = readdir(dir)) != 0)
+				{
+					const char* name = ent->d_name;
+					if ((name[0] == 0) || (name[0] == '.' && name[1] == 0) || (name[0] == '.' && name[1] == '.' && name[2] == 0))
+						continue;
+
+					string path = JoinPath(directory, name);
+
+					if (isDir(path, dir))
+					{
+						Remove(path, extension);
+					}
+
+					// �ж���չ��
+					if (extension.empty() || wildcmp(name, extension.c_str()))
+					{
+						RemoveAll(path);
+						++numberOfFiles;
+						LOG_INFO(stdout, "%s deleted! number of deleted files:%d\n", path.c_str(), numberOfFiles);
+					}
+
+				}
+			}
+			catch (...)
+			{
+				closedir(dir);
+				throw;
+			}
+			closedir(dir);
+		}
+		else
+		{
+			LOG_INFO(stdout, "could not open directory: %s", directory.c_str());
+		}
+
+		// ����RemoveAllɾ��Ŀ¼
+		RemoveAll(directory);
+	}
+	string GetFileName(const string &path)
+	{
+        string fileName;
+        int indexOfPathSeparator = -1;
+        for (int i = path.size() - 1; i >= 0; --i)
+        {
+            if (IsPathSeparator(path[i]))
+            {
+                fileName = path.substr(i + 1, path.size() - i - 1);
+                indexOfPathSeparator = i;
+                break;
+            }
+        }
+        if (indexOfPathSeparator == -1)
+        {
+            fileName = path;
+        }
+
+        return fileName;
+	}
+    string GetFileName_NoExtension(const string &path)
+    {
+        string fileName=GetFileName(path);
+        string fileName_NoExtension;
+        for(int i=fileName.size()-1;i>0;--i)
+        {
+            if(fileName[i]=='.')
+            {
+                fileName_NoExtension=fileName.substr(0,i);
+                break;
+            }
+        }
+
+        return fileName_NoExtension;
+    }
+
+	string GetExtension(const string &path)
+	{
+		string fileName;
+		for (int i = path.size() - 1; i >= 0; --i)
+		{
+			if (path[i]=='.')
+			{
+				fileName = path.substr(i, path.size() - i);
+				break;
+			}
+		}
+
+		return fileName;
+
+	}
+
+	string GetParentPath(const string &path)
+	{
+		string fileName;
+		for (int i = path.size() - 1; i >= 0; --i)
+		{
+			if (IsPathSeparator(path[i]))
+			{
+				fileName = path.substr(0, i+1);
+				break;
+			}
+		}
+
+		return fileName;
+	}
+
+    static bool CreateDirectory(const string &path)
+    {
+    #if defined WIN32 || defined _WIN32 || defined WINCE
+    #ifdef WINRT
+                wchar_t wpath[MAX_PATH];
+            size_t copied = mbstowcs(wpath, path.c_str(), MAX_PATH);
+            CV_Assert((copied != MAX_PATH) && (copied != (size_t)-1));
+            int result = CreateDirectoryA(wpath, NULL) ? 0 : -1;
+    #else
+                int result = _mkdir(path.c_str());
+    #endif
+    #elif defined __linux__ || defined __APPLE__
+                int result = mkdir(path.c_str(), 0777);
+    #else
+                int result = -1;
+    #endif
+
+            if (result == -1)
+            {
+                return IsDirectory(path);
+            }
+            return true;
+    }
+
+	bool CreateDirectories(const string &directoryPath)
+	{
+		string path = directoryPath;
+
+		for (;;)
+		{
+			char last_char = path.empty() ? 0 : path[path.length() - 1];
+			if (IsPathSeparator(last_char))
+			{
+				path = path.substr(0, path.length() - 1);
+				continue;
+			}
+			break;
+		}
+
+		if (path.empty() || path == "./" || path == ".\\" || path == ".")
+			return true;
+		if (IsDirectory(path))
+			return true;
+
+		size_t pos = path.rfind('/');
+		if (pos == string::npos)
+			pos = path.rfind('\\');
+		if (pos != string::npos)
+		{
+			string parent_directory = path.substr(0, pos);
+			if (!parent_directory.empty())
+			{
+				if (!CreateDirectories(parent_directory))
+					return false;
+			}
+		}
+
+		return CreateDirectory(path);
+	}
+
+    bool CopyFile(const string srcPath, const string dstPath)
+    {
+        std::ifstream srcFile(srcPath,ios::binary);
+        std::ofstream dstFile(dstPath,ios::binary);
+
+        if(!srcFile.is_open())
+        {
+            LOG_ERROR(stdout,"can not open %s\n",srcPath.c_str());
+            return false;
+        }
+        if(!dstFile.is_open())
+        {
+			LOG_ERROR(stdout, "can not open %s\n", dstPath.c_str());
+            return false;
+        }
+        if(srcPath==dstPath)
+        {
+			LOG_ERROR(stdout, "src can not be same with dst\n");
+            return false;
+        }
+        char buffer[2048];
+        unsigned int numberOfBytes=0;
+        while(srcFile)
+        {
+            srcFile.read(buffer,2048);
+            dstFile.write(buffer,srcFile.gcount());
+            numberOfBytes+=srcFile.gcount();
+        }
+        srcFile.close();
+        dstFile.close();
+        return true;
+    }
+
+    bool CopyDirectories(string srcPath, const string dstPath)
+    {
+        if(srcPath==dstPath)
+        {
+			LOG_ERROR(stdout, "src can not be same with dst\n");
+            return false;
+        }
+
+		// ȥ������·���ָ���
+		srcPath = srcPath.substr(0, srcPath.size() - 1);
+
+        vector<string> fileNameList;
+        GetFileNameList2(srcPath, "", fileNameList, true, true);
+
+        string parentPathOfSrc=GetParentPath(srcPath);
+        int length=parentPathOfSrc.size();
+
+        // create all directories
+        for(int i=0;i<fileNameList.size();++i)
+        {
+            // create directory
+            string srcFilePath=fileNameList[i];
+            string subStr=srcFilePath.substr(length,srcFilePath.size()-length);
+            string dstFilePath=dstPath+subStr;
+            string parentPathOfDst=GetParentPath(dstFilePath);
+            CreateDirectories(parentPathOfDst);
+        }
+
+        // copy file
+        for(int i=0;i<fileNameList.size();++i)
+        {
+            string srcFilePath=fileNameList[i];
+			if (IsDirectory(srcFilePath))
+			{
+				continue;
+			}
+            string subStr=srcFilePath.substr(length,srcFilePath.size()-length);
+            string dstFilePath=dstPath+subStr;
+
+            // copy file
+            CopyFile(srcFilePath,dstFilePath);
+
+			// process
+			double process = (1.0*(i + 1) / fileNameList.size()) * 100;
+			LOG_INFO(stdout, "%s done! %f% \n", GetFileName(fileNameList[i]).c_str(), process);
+        }
+		LOG_INFO(stdout, "all done!(the number of files:%d)\n", fileNameList.size());
+
+        return true;
+
+
+    }
+
+}
+
+

Src/Utility/Filesystem.h

+// 文件以及目录处理
+
+#ifndef __FILE_SYSTEM_H__
+#define __FILE_SYSTEM_H__
+
+#include <vector>
+#include <string>
+
+using namespace std;
+ 
+namespace migraphxSamples
+{
+
+// 路径是否存在
+bool Exists(const std::string &path);
+
+// 路径是否为目录
+bool IsDirectory(const std::string &path);
+
+// 是否是路径分隔符(Linux:‘/’,Windows:’\\’)
+bool IsPathSeparator(char c);
+
+// 路径拼接
+string JoinPath(const std::string &base, const std::string &path);
+
+// 创建多级目录,注意：创建多级目录的时候，目标目录是不能有文件存在的
+bool CreateDirectories(const std::string &directoryPath);
+
+/** 生成符合指定模式的文件名列表(支持递归遍历)
+* 
+* pattern: 模式,比如"*.jpg","*.png","*.jpg,*.png"
+* addPath：是否包含父路径
+* 注意：
+    1. 多个模式使用","分割,比如"*.jpg,*.png"
+    2. 支持通配符'*','?' ,比如第一个字符是7的所有文件名:"7*.*", 以512结尾的所有jpg文件名："*512.jpg"
+    3. 使用"*.jpg"，而不是".jpg"
+    4. 空string表示返回所有结果
+    5. 不能返回子目录名
+*
+*/
+void GetFileNameList(const std::string &directory, const std::string &pattern, std::vector<std::string> &result, bool recursive, bool addPath);
+
+// 与GetFileNameList的区别在于如果有子目录，在addPath为true的时候会返回子目录路径(目录名最后有"/")
+void GetFileNameList2(const std::string &directory, const std::string &pattern, std::vector<std::string> &result, bool recursive, bool addPath);
+
+// 删除文件或者目录,支持递归删除
+void Remove(const std::string &directory, const std::string &extension="");
+
+/** 获取路径的文件名和扩展名
+ * 
+ *  示例：path为D:/1/1.txt,则GetFileName()为1.txt,GetFileName_NoExtension()为1,GetExtension()为.txt,GetParentPath()为D:/1/
+
+*/
+string GetFileName(const std::string &path); // 1.txt
+string GetFileName_NoExtension(const std::string &path); // 1
+string GetExtension(const std::string &path);// .txt
+string GetParentPath(const std::string &path);// D:/1/
+
+// 拷贝文件:CopyFile("D:/1.txt","D:/2.txt");将1.txt拷贝为2.txt
+bool CopyFile(const std::string srcPath,const std::string dstPath);
+
+/** 拷贝目录
+ * 
+ * 示例：CopyDirectories("D:/0/1/2/","E:/3/");实现把D:/0/1/2/目录拷贝到E:/3/目录中(即拷贝完成后的目录结构为E:/3/2/)
+ * 注意：
+    1.第一个参数的最后不能加”/”
+    2.不能拷贝隐藏文件
+*/
+bool CopyDirectories(std::string srcPath,const std::string dstPath);
+
+}
+
+#endif

Src/Utility/SimpleLog.h

+// 简易日志
+
+#ifndef __SIMPLE_LOG_H__
+#define __SIMPLE_LOG_H__
+
+#include <time.h>
+#include <string>
+#include <map>
+#include <thread>
+#include <mutex>
+#if (defined WIN32 || defined _WIN32)
+#include <Windows.h>
+#else
+#include <sys/time.h>
+#endif
+
+using namespace std;
+
+
+/** 简易日志
+ * 
+ * 轻量级日志系统，不依赖于其他第三方库，只需要包含一个头文件就可以使用。提供了4种日志级别，包括INFO,DEBUG,WARN和ERROR。
+ * 
+ * 示例1:
+    // 初始化日志，在./Log/目录下创建两个日志文件log1.log和log2.log(注意：目录./Log/需要存在，否则日志创建失败)
+    LogManager::GetInstance()->Initialize("./Log/","log1");
+    LogManager::GetInstance()->Initialize("./Log/","log2");
+
+    // 写日志
+    string log = "Hello World";
+    LOG_INFO(LogManager::GetInstance()->GetLogFile("log1"), "%s\n", log.c_str()); // 写入log1.log
+    LOG_INFO(LogManager::GetInstance()->GetLogFile("log2"), "%s\n", log.c_str()); // 写入log2.log
+
+    // 关闭日志
+    LogManager::GetInstance()->Close("log1");
+    LogManager::GetInstance()->Close("log2");
+  
+  * 示例2:
+    // 将日志输出到控制台
+    string log = "Hello World";
+    LOG_INFO(stdout, "%s\n", log.c_str()); 
+
+  * 注意：
+    1. 需要C++11
+    2. 多线程的时候需要加锁(打开#define LOG_MUTEX)，否则会导致日志显示混乱
+
+*/
+
+// #define LOG_MUTEX  // 加锁
+
+class LogManager
+{
+private:
+    LogManager(){}
+
+public:
+    ~LogManager(){}
+    inline void Initialize(const string &parentPath,const string &logName)
+    {
+        // 日志名为空表示输出到控制台
+        if(logName.size()==0)
+            return;
+
+        // 查找该日志文件，如果没有则创建
+        std::map<string, FILE*>::const_iterator iter = logMap.find(logName);
+        if (iter == logMap.end())
+        {
+            string pathOfLog = parentPath+ logName + ".log";
+            FILE *logFile = fopen(pathOfLog.c_str(), "a"); // w:覆盖原有文件,a:追加
+            if(logFile!=NULL)
+            {
+                logMap.insert(std::make_pair(logName, logFile));
+            }
+        }
+
+    }
+    inline FILE* GetLogFile(const string &logName)
+    {
+        std::map<string, FILE*>::const_iterator iter=logMap.find(logName);
+        if(iter==logMap.end())
+        {
+            return NULL;
+        }
+
+        return (*iter).second;
+    }
+    inline void Close(const string &logName)
+    {
+        std::map<string, FILE*>::const_iterator iter=logMap.find(logName);
+        if(iter==logMap.end())
+        {
+            return;
+        }
+
+        fclose((*iter).second);
+        logMap.erase(iter);
+    }
+    inline std::mutex &GetLogMutex()
+    {
+        return logMutex;
+    }
+
+    // Singleton
+    static LogManager* GetInstance()
+    {
+        static LogManager logManager;
+        return &logManager;
+    }
+private:
+    std::map<string, FILE*> logMap;
+    std::mutex logMutex;
+};
+
+#ifdef LOG_MUTEX
+    #define LOCK	LogManager::GetInstance()->GetLogMutex().lock()
+    #define UNLOCK	LogManager::GetInstance()->GetLogMutex().unlock()
+#else
+    #define LOCK
+    #define UNLOCK
+#endif
+
+// log time
+typedef struct  _LogTime
+{
+    string year;
+    string month;
+    string day;
+    string hour;
+    string minute;
+    string second;
+    string millisecond; // ms
+    string microsecond; // us
+    string weekDay;
+}LogTime;
+
+inline LogTime GetTime()
+{
+    LogTime currentTime;
+
+#if (defined WIN32 || defined _WIN32)
+    SYSTEMTIME systemTime;
+    GetLocalTime(&systemTime);
+
+    char temp[8] = { 0 };
+    sprintf(temp, "%04d", systemTime.wYear);
+    currentTime.year=string(temp);
+    sprintf(temp, "%02d", systemTime.wMonth);
+    currentTime.month=string(temp);
+    sprintf(temp, "%02d", systemTime.wDay);
+    currentTime.day=string(temp);
+    sprintf(temp, "%02d", systemTime.wHour);
+    currentTime.hour=string(temp);
+    sprintf(temp, "%02d", systemTime.wMinute);
+    currentTime.minute=string(temp);
+    sprintf(temp, "%02d", systemTime.wSecond);
+    currentTime.second=string(temp);
+    sprintf(temp, "%03d", systemTime.wMilliseconds);
+    currentTime.millisecond=string(temp);
+    sprintf(temp, "%d", systemTime.wDayOfWeek);
+    currentTime.weekDay=string(temp);
+#else
+    struct timeval    tv;
+    struct tm         *p;
+    gettimeofday(&tv, NULL);
+    p = localtime(&tv.tv_sec);
+
+    char temp[8]={0};
+    sprintf(temp,"%04d",1900+p->tm_year);
+    currentTime.year=string(temp);
+    sprintf(temp,"%02d",1+p->tm_mon);
+    currentTime.month=string(temp);
+    sprintf(temp,"%02d",p->tm_mday);
+    currentTime.day=string(temp);
+    sprintf(temp,"%02d",p->tm_hour);
+    currentTime.hour=string(temp);
+    sprintf(temp,"%02d",p->tm_min);
+    currentTime.minute=string(temp);
+    sprintf(temp,"%02d",p->tm_sec);
+    currentTime.second=string(temp);
+    sprintf(temp,"%03d",(int)(tv.tv_usec/1000));
+    currentTime.millisecond = string(temp);
+    sprintf(temp, "%03d", (int)(tv.tv_usec % 1000));
+    currentTime.microsecond = string(temp);
+    sprintf(temp, "%d", p->tm_wday);
+    currentTime.weekDay = string(temp);
+#endif
+    return currentTime;
+}
+
+#define LOG_TIME(logFile) \
+do\
+{\
+    LogTime currentTime=GetTime(); \
+    fprintf(((logFile == NULL) ? stdout : logFile), "%s-%s-%s %s:%s:%s.%s\t",currentTime.year.c_str(),currentTime.month.c_str(),currentTime.day.c_str(),currentTime.hour.c_str(),currentTime.minute.c_str(),currentTime.second.c_str(),currentTime.millisecond.c_str()); \
+}while (0)
+
+
+#define LOG_INFO(logFile,logInfo, ...) \
+do\
+{\
+    LOCK; \
+    LOG_TIME(logFile); \
+    fprintf(((logFile == NULL) ? stdout : logFile), "INFO\t"); \
+    fprintf(((logFile == NULL) ? stdout : logFile), "[%s:%d (%s) ]: ", __FILE__, __LINE__, __FUNCTION__); \
+    fprintf(((logFile == NULL) ? stdout : logFile), logInfo, ## __VA_ARGS__); \
+    fflush(logFile); \
+    UNLOCK; \
+} while (0)
+
+#define LOG_DEBUG(logFile,logInfo, ...) \
+do\
+{\
+    LOCK; \
+    LOG_TIME(logFile);\
+    fprintf(((logFile==NULL)?stdout:logFile), "DEBUG\t"); \
+    fprintf(((logFile==NULL)?stdout:logFile), "[%s:%d (%s) ]: ", __FILE__, __LINE__, __FUNCTION__); \
+    fprintf(((logFile==NULL)?stdout:logFile),logInfo, ## __VA_ARGS__); \
+    fflush(logFile); \
+    UNLOCK; \
+} while (0)
+
+#define LOG_ERROR(logFile,logInfo, ...) \
+do\
+{\
+    LOCK; \
+    LOG_TIME(logFile);\
+    fprintf(((logFile==NULL)?stdout:logFile), "ERROR\t"); \
+    fprintf(((logFile==NULL)?stdout:logFile), "[%s:%d (%s) ]: ", __FILE__, __LINE__, __FUNCTION__); \
+    fprintf(((logFile==NULL)?stdout:logFile),logInfo, ## __VA_ARGS__); \
+    fflush(logFile); \
+    UNLOCK; \
+} while (0)
+
+#define LOG_WARN(logFile,logInfo, ...) \
+do\
+{\
+    LOCK; \
+    LOG_TIME(logFile);\
+    fprintf(((logFile==NULL)?stdout:logFile), "WARN\t"); \
+    fprintf(((logFile==NULL)?stdout:logFile), "[%s:%d (%s) ]: ", __FILE__, __LINE__, __FUNCTION__); \
+    fprintf(((logFile==NULL)?stdout:logFile),logInfo, ## __VA_ARGS__); \
+    fflush(logFile); \
+    UNLOCK; \
+} while (0)
+
+#endif // __SIMPLE_LOG_H__
+

Src/main.cpp

+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <Sample.h>
+
+void MIGraphXSamplesUsage(char* programName)
+{
+    printf("Usage : %s <index> \n", programName);
+    printf("index:\n");
+    printf("\t 0) Unet sample.\n");
+}
+
+int main(int argc, char *argv[])
+{
+    if (argc < 2 || argc > 2)
+    {
+        MIGraphXSamplesUsage(argv[0]);
+        return -1;
+    }
+    if (!strncmp(argv[1], "-h", 2))
+    {
+        MIGraphXSamplesUsage(argv[0]);
+        return 0;
+    }
+    switch (*argv[1])
+    {
+        case '0':
+            {
+                Sample_Unet();
+                break;
+            }
+        default :
+            {
+                MIGraphXSamplesUsage(argv[0]);
+                break;
+            }
+    }
+    return 0;
+}
\ No newline at end of file

requirements.txt

+./3rdParty/opencv-3.4.11_mini.tar.gz
+