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I'm facing a problem when displaying an image and using hold on to then plot hough lines on top of it. I want to store this image in a variable including lines on it and use it further. How can I do that?

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You can use the copyobj for this. Or the getframe function if you're making a movie.

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im sorry i cant get this function copyobj into use. i give it the arguments (h,I) where h is the variable used to plot lines. e.g h = plotlines and I has the image that im showing in figure. im sorry to say but can u give detail about this solution?

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