I have matlab figures in .jpg file how can I export data points of the graph in excel.

I have matlab figures in jpg file how can I export data points of the graph in excel. I attached example can any one help.

[Walter Roberson]

Duplicates earlier https://www.mathworks.com/matlabcentral/answers/403025-i-am-using-this-code-to-convert-jpg-file-to-maltab-fig-but-in-matlab-lab-file-there-is-no-figure-r which also has answers.

Answer 1

[Image Analyst]

Try using ginput() to identify endpoints of the axes, then use imfreehand() to get the coordinates of the curve, then scale them to get the calibrated points. Sorry, I don't have code for this, you'll have to write it.