float percent = 50.0;
IplImage *source = cvLoadImage("bigImage.jpg");
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
cvSaveImage( "resizeImage.jpg", destination );
3/17/2014
OpenCV Study, cvResize function
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