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How to extract coordinate values from a graph in Matlab

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Sadiq Akbar 2022-10-13

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https://ww2.mathworks.cn/matlabcentral/answers/1825053-how-to-extract-coordinate-values-from-a-graph-in-matlab

评论： Sadiq Akbar 2022-10-13

I have a graph in a png picture and I want to extract the coordinates from this graph and then I want to draw it by my self in Matlab

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Image Analyst 2022-10-13

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1825053-how-to-extract-coordinate-values-from-a-graph-in-matlab#answer_1073758

Try this:

GRABIT - digitize images of graphs

Matlab script for digitizing a published graph - File Exchange - MATLAB Central

and there are even more in the File Exchange.

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Image Analyst 2022-10-13

I am not the author of that file, nor have I ever used it. Contact the author.

Sadiq Akbar 2022-10-13

ok dear thanks for your help.

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MATLAB Mathematics Graph and Network Algorithms

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