OpenCV识别指定颜色（黑、灰、白、红、橙、黄、绿、青、蓝、紫）_未分类

根据HSV色域的特点，进行识别，关于HSV色域，请看这篇博文

https://blog.csdn.net/qq78442761/article/details/82805610

素材如下：

运行截图如下：

源码如下：

#include <opencv2/core.hpp>

#include <opencv2/highgui.hpp>

#include <opencv2/imgproc.hpp>

#include <opencv2/imgproc/imgproc_c.h>

#include <iostream>

#include <vector>

using namespace std;

using namespace cv;

void main(){

Mat matSrc=imread("purple.png",IMREAD_UNCHANGED);

Mat matHsv;

cvtColor(matSrc,matHsv,COLOR_BGR2HSV);

vector<int> colorVec;

colorVec.push_back(matHsv.at<uchar>(0,0));

colorVec.push_back(matHsv.at<uchar>(0,1));

colorVec.push_back(matHsv.at<uchar>(0,2));

if((colorVec[0]>=0&&colorVec[0]<=180)

&&(colorVec[1]>=0&&colorVec[1]<=255)

&&(colorVec[2]>=0&&colorVec[2]<=46)){

cout<<"黑"<<endl;

}

else if((colorVec[0]>=0&&colorVec[0]<=180)

&&(colorVec[1]>=0&&colorVec[1]<=43)

&&(colorVec[2]>=46&&colorVec[2]<=220)){

cout<<"灰"<<endl;

}

else if((colorVec[0]>=0&&colorVec[0]<=180)

&&(colorVec[1]>=0&&colorVec[1]<=30)

&&(colorVec[2]>=221&&colorVec[2]<=255)){

cout<<"白"<<endl;

}

else if(((colorVec[0]>=0&&colorVec[0]<=10)||(colorVec[0]>=156&&colorVec[0]<=180))

&&(colorVec[1]>=43&&colorVec[1]<=255)