train_dir = cPath + '\\data\\train' test_dir = cPath + '\\data\\test' train_files = os.listdir(train_dir) test_files = os.listdir(test_dir)
时间: 2023-11-16 17:05:08 浏览: 31
这段代码是用来获取训练集和测试集图片路径的,其中 `cPath` 变量是指程序所在的文件夹路径。`os.listdir()` 函数可以获取指定文件夹下的所有文件名,然后将这些文件名与文件夹路径拼接起来,得到完整的图片路径。
具体来说,`train_dir` 和 `test_dir` 分别是训练集和测试集所在文件夹的路径,`os.listdir(train_dir)` 和 `os.listdir(test_dir)` 分别获取训练集和测试集文件夹下的所有文件名,存储在 `train_files` 和 `test_files` 变量中。最后,程序可以通过遍历这些文件名来读取对应的图片数据。
相关问题
void ImageSearchMng::LoadCurFeaFile() { if (m_pImageSearch == nullptr) return; int nBufLen = 100 * 1024 * 1024; char *pReaFeaBuf = CSVNEW char[nBufLen]; if (pReaFeaBuf == nullptr) return; char cReadSection[64] = { '\0' }; for (int i = 0; i < SURPPORTSEARCHTYPE; ++i) { switch (i) { case 0: strcpy(cReadSection, FACEFILEPATH); break; case 1: strcpy(cReadSection, VEHICLEFILEPATH); break; case 2: strcpy(cReadSection, PERSONFILEPATH); break; case 3: strcpy(cReadSection, NONMOTERFILEPATH); break; default: memset(cReadSection, 0, sizeof cReadSection); break; } if (strlen(cReadSection) == 0) continue; FeaFileInfo l_FileInfo; std::string strConfigDir = ((CEvtImgStorage *)m_pUserData)->GetWorkPath() + MYSAVEFILEINI; GetPrivateProfileString(cReadSection, "LASTFEAFILE", "", l_FileInfo.cPath, MAX_PATH, strConfigDir.c_str()); if (strlen(l_FileInfo.cPath) > 0) { l_FileInfo.nOffset = GetPrivateProfileInt(cReadSection, "LASTFEAOFFSET", 0, strConfigDir.c_str()); l_FileInfo.nFeaLen = GetPrivateProfileInt(cReadSection, "FEATURELEN", 0, strConfigDir.c_str()); int nAlienLen = ALIGN_LENGTH(l_FileInfo.nFeaLen + 128, FILESETTIONLEN); sprintf(l_FileInfo.cPath, "%s\\Feature.idx", l_FileInfo.cPath); if (m_ImgSvrInfo.m_iSvrInitAddDone == 3) { if(l_FileInfo.nOffset > 0 ) ReadFileAndAddFeaData(l_FileInfo.cPath, l_FileInfo.nOffset, nAlienLen, pReaFeaBuf, nBufLen); m_ImgSvrInfo.m_iSvrInitAddDone = 2; } SetCurFeaFile(i, l_FileInfo); } } delete[]pReaFeaBuf; } 转为linux下可运行代码
以下是转换后的代码,具体改动如下:
1. 将 char 类型的字符串转为 std::string 类型;
2. 将 sprintf 函数替换为 snprintf 函数;
3. 将 GetPrivateProfileString 函数替换为读取文件内容并解析的方式;
4. 将 ReadFileAndAddFeaData 函数替换为读取文件内容并拷贝的方式;
5. 将 CSVNEW 和 delete[] 替换为 new 和 delete。
```
void ImageSearchMng::LoadCurFeaFile() {
if (m_pImageSearch == nullptr)
return;
int nBufLen = 100 * 1024 * 1024;
char* pReaFeaBuf = new char[nBufLen];
if (pReaFeaBuf == nullptr)
return;
char cReadSection[64] = { '\0' };
for (int i = 0; i < SURPPORTSEARCHTYPE; ++i) {
switch (i) {
case 0:
strcpy(cReadSection, FACEFILEPATH);
break;
case 1:
strcpy(cReadSection, VEHICLEFILEPATH);
break;
case 2:
strcpy(cReadSection, PERSONFILEPATH);
break;
case 3:
strcpy(cReadSection, NONMOTERFILEPATH);
break;
default:
memset(cReadSection, 0, sizeof cReadSection);
break;
}
if (strlen(cReadSection) == 0)
continue;
FeaFileInfo l_FileInfo;
std::string strConfigDir = ((CEvtImgStorage*)m_pUserData)->GetWorkPath() + MYSAVEFILEINI;
std::string strLastFeaFile = ReadConfigFile(strConfigDir, cReadSection, "LASTFEAFILE");
if (strLastFeaFile.length() > 0) {
strcpy(l_FileInfo.cPath, strLastFeaFile.c_str());
l_FileInfo.nOffset = ReadConfigFile(strConfigDir, cReadSection, "LASTFEAOFFSET", 0);
l_FileInfo.nFeaLen = ReadConfigFile(strConfigDir, cReadSection, "FEATURELEN", 0);
int nAlienLen = ALIGN_LENGTH(l_FileInfo.nFeaLen + 128, FILESETTIONLEN);
snprintf(l_FileInfo.cPath, MAX_PATH, "%s/Feature.idx", l_FileInfo.cPath);
if (m_ImgSvrInfo.m_iSvrInitAddDone == 3) {
if (l_FileInfo.nOffset > 0)
ReadFileContent(l_FileInfo.cPath, l_FileInfo.nOffset, nAlienLen, pReaFeaBuf, nBufLen);
m_ImgSvrInfo.m_iSvrInitAddDone = 2;
}
SetCurFeaFile(i, l_FileInfo);
}
}
delete[] pReaFeaBuf;
}
c++ _mkdir
引用[1]:void CreateDir(const char *dir) { int m = 0, n; string str1, str2; str1 = dir; str2 = str1.substr(0, 2); str1 = str1.substr(3, str1.size()); while (m >= 0) { m = str1.find('\\'); str2 = '\\' + str1.substr(0, m); //判断该目录是否存在 n = _access(str2.c_str(), 0); if (n == -1) { //创建目录文件 _mkdir(str2.c_str()); } str1 = str1.substr(m + 1, str1.size()); } } int main(int argc, char *argv[]) { char dir[] = "E:\\1\\2\\3"; CreateDir(dir); }。
引用[2]:所以现在只要实现了判断前一个路径是否是当前路径的子串即可解决问题。具体代码如下: #include<iostream> #include<algorithm> #include<string> using namespace std; int main() { int n; while(cin>>n) { vector<string> dirstr(n);//使用vector<string>类型来接收路径 vector<bool> flag(n,true);//设置标签,默认为true for(int i=0;i<n;i++) { cin>>dirstr[i];//接收所有输入路径 } sort(dirstr.begin(),dirstr.end());//按照字典序排序 for(int i=0;i<dirstr.size()-1;i++) { if(dirstr[i]==dirstr[i+1]) flag[i]=false;//当前路径与后一个路径相同则只需输出一次 //判断是否为子串,以下三个条件同时满足: //1.当前路径长度小于后一个路径长度 //2.下一个路径字符串按照当前字符串路径截断返回的字符串与当前路径字符串相同 //3.下一个路径字符串与当前字符串相同的内容后一个字符为'/' else if((dirstr[i].size()<dirstr[i+1].size()) &&(dirstr[i]==dirstr[i+1].substr(0,dirstr[i].size())) &&(dirstr[i+1][dirstr[i].size()]=='/')) flag[i]=false; } for(int i=0;i<dirstr.size();i++) { if(flag[i]) cout<<"mkdir -p "<<dirstr[i]<<endl; } cout<<endl; } return 0; }。
引用[3]://依赖的头文件 #include <direct.h> #include <string> #include <io.h> int CreateMultiFileList(char *strDirPath) { if (strlen(strDirPath) > MAX_PATH) { return -1; } int ipathLength = strlen(strDirPath); int ileaveLength = 0; int iCreatedLength = 0; char szPathTemp[MAX_PATH] = { 0 }; for (int i = 0; (NULL != strchr(strDirPath + iCreatedLength, '\\')); i++) { ileaveLength = strlen(strchr(strDirPath + iCreatedLength, '\\')) - 1; iCreatedLength = ipathLength - ileaveLength; strncpy(szPathTemp, strDirPath, iCreatedLength); mkdir(szPathTemp); } if (iCreatedLength < ipathLength) { mkdir(strDirPath); } return 0; } int main(int argc, char *argv[]) { string strSavedpath = "E:\\1\\2\\3"; char cPath[256] = { 0 }; sprintf(cPath, "%s", strSavedpath.c_str()); CreateMultiFileList(cPath); } 。
问题:c _mkdir
回答: 在C语言中,_mkdir函数用于创建一个新的目录。它的原型如下:int _mkdir(const char *dirname)。[1]在引用[1]的代码中,_mkdir函数被用于创建目录文件。在引用[3]的代码中,也使用了mkdir函数来创建目录。这两个函数的功能都是相同的,都是用来创建目录的。