Not that I know of (and I look for them for a while some time ago). The problem is not so much recognizing the shapes in your diagram but recognizing your handwriting. Unless your handwriting was very clear (e.g. with a clear separation of characters) you don't have many chances of succeed.
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据我所知，没有（我前一段时间也在寻找它们）。问题不在于识别图表中的形状，而在于识别您的笔迹。除非你的笔迹非常清晰（例如，字符之间有清晰的分隔），否则你成功的机会不大。
Not that I know of (and I look for them for a while some time ago). The problem is not so much recognizing the shapes in your diagram but recognizing your handwriting. Unless your handwriting was very clear (e.g. with a clear separation of characters) you don't have many chances of succeed.