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How can I resize an image with OpenCV ?

asked 2013-05-03 00:55:19 -0500

hor gravatar image

Hi I am looking for a way to resizing an image in OpenCV? What is the simplest way to do it?

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answered 2013-05-03 13:15:34 -0500

Qichao Chen gravatar image

updated 2013-05-03 13:18:35 -0500

if you use opencv2,you can do like this:

Size size(100,100);//the dst image size,e.g.100x100
Mat dst;//dst image
Mat src;//src image
resize(src,dst,size);//resize image

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answered 2013-05-03 01:34:11 -0500

Siegfried gravatar image

Hi. Take a look at the resize function in the OpenCV documentation. It contains a description of the function and a small example.

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answered 2013-05-03 01:02:05 -0500

NightLife gravatar image

updated 2013-05-03 01:03:25 -0500

You can use it to resize the image:

IplImage* resizing (IplImage *source) {

IplImage *destination = cvCreateImage ( cvSize(Your favourite width , Your favourite height ), source->depth, source>nChannels );


cvResize(source, destination);

return destination;

}

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Asked: 2013-05-03 00:55:19 -0500

Seen: 345,162 times

Last updated: May 03 '13