获取OpenCV镜像类型的枚举名称(例如CV_32FC1)？
获取OpenCV镜像类型的枚举名称(例如CV_32FC1)？
提问于 2012-09-09 08:48:45
在OpenCV的C++接口中，检查图像的类型似乎很容易。如果你有一个图像cv::Mat img = cv::imread("someImage.xyz")，你只需要使用int theType = img.type()。
然而，正如您所期望的那样，调用img.type()只给出一个整数，而不是一个枚举名称(例如CV_32FC1)。
如果我知道OpenCV枚举的整数值，有没有简单的方法打印出枚举名(例如CV_32FC1)？
回答 1
Stack Overflow用户
发布于 2012-09-09 11:52:48
遵循@Bob的建议，我编写了自己的函数来解决这个问题。这就是它：
// take number image type number (from cv::Mat.type()), get OpenCV's enum string.
string getImgType(int imgTypeInt)
{
int numImgTypes = 35; // 7 base types, with five channel options each (none or C1, ..., C4)
int enum_ints[] = {CV_8U, CV_8UC1, CV_8UC2, CV_8UC3, CV_8UC4,
CV_8S, CV_8SC1, CV_8SC2, CV_8SC3, CV_8SC4,
CV_16U, CV_16UC1, CV_16UC2, CV_16UC3, CV_16UC4,
CV_16S, CV_16SC1, CV_16SC2, CV_16SC3, CV_16SC4,
CV_32S, CV_32SC1, CV_32SC2, CV_32SC3, CV_32SC4,
CV_32F, CV_32FC1, CV_32FC2, CV_32FC3, CV_32FC4,
CV_64F, CV_64FC1, CV_64FC2, CV_64FC3, CV_64FC4};
string enum_strings[] = {"CV_8U", "CV_8UC1", "CV_8UC2", "CV_8UC3", "CV_8UC4",
"CV_8S", "CV_8SC1", "CV_8SC2", "CV_8SC3", "CV_8SC4",
"CV_16U", "CV_16UC1", "CV_16UC2", "CV_16UC3", "CV_16UC4",
"CV_16S", "CV_16SC1", "CV_16SC2", "CV_16SC3", "CV_16SC4",
"CV_32S", "CV_32SC1", "CV_32SC2", "CV_32SC3", "CV_32SC4",
"CV_32F", "CV_32FC1", "CV_32FC2", "CV_32FC3", "CV_32FC4",
"CV_64F", "CV_64FC1", "CV_64FC2", "CV_64FC3", "CV_64FC4"};
for(int i=0; i<numImgTypes; i++)
{
if(imgTypeInt == enum_ints[i]) return enum_strings[i];
}
return "unknown image type";
}我是否忘记在查找表中包含任何OpenCV图像类型？
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原文链接：
https://stackoverflow.com/questions/12335663
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