我正在尝试调整图像大小,然后显示它以检查它是否已调整大小。
#include"cv.h"
#include"highgui.h"
#include<iostream>
using namespace cv;
int main()
{
IplImage* ipl = cvLoadImage("test1.jpg");
cvShowImage("original:",ipl);
CvSize size = cvSize(128,128);
IplImage* tmpsize=cvCreateImage(size,8,0);
cvResize(ipl,tmpsize,CV_INTER_LINEAR);
cvShowImage("new",tmpsize);
waitKey(0);
return 0;
}
但它会产生错误 OpenCV Error:Assertion failed==dst.type<>> in unknown function file c:\slave\winInstallerMegaPack\src\opencv\modules\imgproc\src\imgwarp.cpp line 3210。请指出我是什么做错了,并提出一些方法来克服它。另一方面,其他代码工作正常。
IplImage *source = cvLoadImage( "test1.jpg");
// Here we retrieve a percentage value to a integer
int percent =50;
// declare a destination IplImage object with correct size, depth and channels
IplImage *destination = cvCreateImage
( cvSize((int)((source->width*percent)/100) , (int)((source->height*percent)/100) ),
source->depth, source->nChannels );
//use cvResize to resize source to a destination image
cvResize(source, destination);
// save image with a name supplied with a second argument
cvShowImage("new:",destination);
waitKey(0);
return 0;
请解释。