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Editorial Team
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Asked: 2026-05-28T01:49:30+00:00

I have image 6750×6450 px and trying to display it with imshow() function from

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I have image 6750×6450 px and trying to display it with imshow() function from OpenCv.
When I display one image it’s shown badly(some wired output), when I try to display two images get seqfault. Saving those images on hdd gives good results, images are saved, and they are correct, when I resize both they are also shown correctly. Has imshow() function some size restrictions?

code:

Mat bigImage1 = imread(...);
Mat bigImage2 = imread(...);
namedWindow("first",CV_WINDOW_FULLSCREEN);
namedWindow("second",CV_WINDOW_FULLSCREEN);
imshow("first",bigImage1);
imshow("second",bigImage2);

I’m working on desktop computer Windows 7 64bit

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1 Answer

  1. Editorial Team

    The images are probably larger than your current screen resolution. The problem seems to be that they are simply too big for OpenCV to handle them in a window.

    To be certain, I would try your code on Mac or Linux since OpenCV is cross-platform and there are specific window management implementations for every OS.

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