I am trying to extract points from scanned image file from printed book. The image is quite clear.
Does anyone can help me?
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):
问题:
回答1:
In R you can use the digitize package.
The full explanations are here and there and.. well google has lots more.
