使用imread()函数读取图片的六种正确姿势

OpenCV实践之路——使用imread()函数读取图片的六种正确姿势

opencv里的argv[1]指向的文件在哪里

测试

#include "opencv2/highgui/highgui.hpp"

#include "opencv2/imgproc/imgproc.hpp"

#include <iostream>

#include <stdio.h>

using namespace std;

using namespace cv;

/** @函数 main */

int main(int argc, char** argv)

{

    Mat src_base, hsv_base;

    Mat src_test1, hsv_test1;

    Mat src_test2, hsv_test2;

    Mat hsv_half_down;

    /// 装载三张背景环境不同的图像

    if (argc < )

    {

        printf("** Error. Usage: ./compareHist_Demo <image_settings0> <image_setting1> <image_settings2>\n");

        return -;

    }

    src_base = imread(argv[], );

    src_test1 = imread(argv[], );

    src_test2 = imread(argv[], );

    namedWindow("原图");

    moveWindow("原图", , );

    imshow("原图", src_base );

    imshow("1原图", src_test1);

    imshow("2原图", src_test2);

    waitKey();

    return ;
}