應用opencv拉伸圖象擴展分辯率示例

應用opencv拉伸圖象擴展分辯率示例。本站提示廣大學習愛好者：（應用opencv拉伸圖象擴展分辯率示例）文章只能為提供參考，不一定能成為您想要的結果。以下是應用opencv拉伸圖象擴展分辯率示例正文

應用OPENCV圖象處置庫，拉伸圖象擴展分辯率

//縮放圖象文件
#include <opencv2/opencv.hpp>
using namespace std;
//隱蔽掌握台窗口
#pragma comment(linker, "/subsystem:\"windows\" /entry:\"mainCRTStartup\"")
int main()
{
 const char *pstrImageName = "airplane.jpg";
 const char *pstrSaveImageName = "airplane縮放圖.jpg";
 const char *pstrWindowsSrcTitle = "原圖";
 const char *pstrWindowsDstTitle = "縮放圖";

 double fScale = 2;//縮放倍數
 CvSize czSize; //目的圖象尺寸

 //從文件中讀取圖象 
 IplImage *pSrcImage = cvLoadImage(pstrImageName, CV_LOAD_IMAGE_UNCHANGED);
 IplImage *pDstImage = NULL; 

 //盤算目的圖象年夜小
 czSize.width = pSrcImage->width * fScale;
 czSize.height = pSrcImage->height * fScale;

 //創立圖象並縮放
 pDstImage = cvCreateImage(czSize, pSrcImage->depth, pSrcImage->nChannels);
 cvResize(pSrcImage, pDstImage, CV_INTER_AREA);
 

 //創立窗口
 cvNamedWindow(pstrWindowsSrcTitle, CV_WINDOW_AUTOSIZE);
 cvNamedWindow(pstrWindowsDstTitle, CV_WINDOW_AUTOSIZE);

 //在指定窗口中顯示圖象
 cvShowImage(pstrWindowsSrcTitle, pSrcImage);
 cvShowImage(pstrWindowsDstTitle, pDstImage);

 //期待按鍵事宜
 cvWaitKey();

 //保留圖片
 cvSaveImage(pstrSaveImageName, pDstImage);

 cvDestroyWindow(pstrWindowsSrcTitle);
 cvDestroyWindow(pstrWindowsDstTitle);
 cvReleaseImage(&pSrcImage);
 cvReleaseImage(&pDstImage);
 return 0;
}