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get a table of coordinates from an image of a graph


I don't know if this is even possible, but if it is then someone on this list will know:

I have a jpg image with a "wobbly" line cartesian graph [ X-Y axes etc ].

Is it possible by importing it, to get mathematica to "read" the graph and produce a table of coordinates ?

Obviously the table could be scaled subsequently to produce desired results to match the original graph.


Sorry if this is a daft question


Peter Lindsay


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