图像切割实例

#include <opencv2/opencv.hpp>
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/core/core.hpp>
#include <iostream>
using namespace std;
using namespace cv;
#define m_count 8
cv::Mat img;
cv::Rect m_select;
int main()
{
	img = imread("E:\\11.jpg",3);
	namedWindow("原图", WINDOW_NORMAL);
	cvResizeWindow("原图",img.cols/3 , img.rows/3);
	imshow("原图", img);
	int lens = img.rows;
	int width = img.cols;
	string m_path_name;
	string m_file_name;

	char first[3] = {0};
	char second[3] = {0};


	for (int i = 0; i < m_count; ++i)
	{
		m_file_name = "";
		m_path_name = "";
		_itoa_s(i, first, 10);
		m_path_name = "E:\\photo\\S5\\";
		for (int j = 0; j < m_count; ++j)
		{
			m_file_name = "";
			_itoa_s(j, second, 10);
			int a = j * width / m_count;
			int b = i* lens / m_count;
			//int c = (j + 1) * width / m_count;
			//int d = (i + 1) * lens / m_count;
			int c = width / m_count;
			int d =  lens / m_count;
			m_select = Rect(a,b ,c ,d );
			Mat ROI = img(m_select);
			ROI = img(m_select);
			m_file_name += first;
			m_file_name += second;
			m_path_name = "E:\\photo\\S5\\";
			m_path_name += m_file_name;
			m_path_name += ".jpg";
			imshow(m_file_name.c_str(), ROI);
			imwrite(m_path_name.c_str(), ROI);
		}
	}

	

#if 0
	m_select = Rect(0, 0, 288*1, 216*1);
	Mat ROI = img(m_select);
	ROI = img(m_select);
	imshow("剪裁图", ROI);
	imwrite("E\\:0011.jpg", ROI);


	m_select = Rect(0, 0, 288 * 2, 216 * 2);
	ROI = img(m_select);
	imshow("剪裁图1", ROI);
	imwrite("E:\\0012.jpg", ROI);
#endif

	waitKey(0);

	return 0;
}


  

 

  
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文章来源: blog.csdn.net，作者：IM-STONE，版权归原作者所有，如需转载，请联系作者。

原文链接：blog.csdn.net/doubleintfloat/article/details/121414217