How to make object rectangular shape?

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Casio Uploader 2019-5-22

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https://ww2.mathworks.cn/matlabcentral/answers/463471-how-to-make-object-rectangular-shape

评论： Image Analyst 2019-5-22

I'm trying to segment a card which is rectangular. Due to noise, somtime the segmentation is not perfect but almost understandable. How to make this shape rectangular?

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Image Analyst 2019-5-22

Rather than take a horrible segmentation and try to turn it (some amorphous blob) into a rectangle, it would be better to just improve your segmentation. And we can't give advice on that without your original image. Please attach it.

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