get rid unwanted dots
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I'd like to get rid of the tiny colored dots that conceal the red lines. Kindly help if you can.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/1173713/image.jpeg)
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DGM
2022-10-30
How is this image being created? It will probably be easier to prevent the problem than try fixing the damage caused by artifacts.
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Image Analyst
2022-10-30
Those are jpeg compression artifacts. That's why you should never use jpg format for image analysis. Use PNG format instead.
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