is there any graph digitizer available?
I want to convert a image of a graph (plot) to text data. Is there any existing code to learn from?
I had the same problem and ended up writing what I needed from scratch. Here's a link to the python code, and a blog post including a screen shot.
You can also use a digitizing software application, to convert graph images to data, that is to numbers. im2graph is free and available for both Linux and Windows. See http://www.im2graph.co.il.
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