how to zoom a image

Hey,

I try to zoom some image but i cant to save the zoomed image data, i can only to show it by zoom().

there is any way to zoom image and stay in the same resolution and save the zoomed image data?

thanks.

Answer 1

[Image Analyst]

Did you try getframe()? That basically grabs a screenshot of the image in the axes. Or try exportgraphics() if you have R2020a or later.

[Roye Vadana]

i tried getframe() but the scale is changing

[Image Analyst]

Then try exportgraphics() after you zoom it. Not sure if you'll get the stuff outside the viewing window though. Otherwise you can try getframe() and then call imresize(). though again, I'm not sure you'll get the stuff outside the viewing window. I think probably not.

[Roye Vadana]

I need to do something like this but for a snapshots from a video

so i think exportgraphics() is not a good choice.

maybe there a different way?

• i didn't get the results that i want from the getframe()

[Image Analyst]

Those don't look zoomed to me. They just look degraded.

If you want to pixelate the image, see my attached blockproc() demos.

[Roye Vadana]

thanks