How to find coordinates(x,y) from jpg file

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mahipal komandla
mahipal komandla 2015-8-27
评论： Walter Roberson 2015-8-28
How to find coordinates(x,y) from jpg file

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Walter Roberson
Walter Roberson 2015-8-27
  2 个评论
mahipal komandla
mahipal komandla 2015-8-28
编辑：Walter Roberson 2015-8-28
Thank u for your replay sir,I have X,Y Values are
X =(0 0.2000 0.8000 1.0000 1.0000 1.6000 3.4000 4.0000 4.0000 4.2000 4.8000 5.0000)
Y =(0 0.2000 0.8000 1.0000 1.0000 0.6000 -0.6000 -1.0000 -1.0000 -0.4000 1.4000 2.0000).
I ploted graph.but I saved jpg file. I want reverse way also ,means if i will give jpg , i want data(X,Y) values.
Walter Roberson
Walter Roberson 2015-8-28
http://www.mathworks.com/matlabcentral/fileexchange/?term=tag%3A%22digitize%22&sort=ratings_desc
Note: it is not recommended that you use .jpg files for this purpose. .jpg files smear boundaries and make it difficult to find the correct edges. It is better to use .tif or .png files if you need to process the images.

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