java - Need two extract co-ordinates value of x & y axis from a image chart? -

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i have images of different chart (ex. pie chart , bar chart etc.).can body tell me how co-ordinate value of each point draw @ chart ???

thanks in advance

since images (aka, not charts created within java), real option analyze charts images, using along lines of imagej (i use pil in python, similar that) convert image matrix of rgb values, can use distinguish colors of each slice of graph, , use matrix coordinates starting point generating (x,y) coordinates.


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