Online handwritten formula recognition method and device based on user feedback information
A technology for feedback information and formula recognition, which is used in character and pattern recognition, character recognition, neural learning methods, etc.
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[0053] In order to enable those skilled in the art to better understand the technical solutions in the embodiments of the present invention, and to make the purpose, features and advantages of the present invention more obvious and understandable, the technical core of the present invention will be further described in detail below in conjunction with the accompanying drawings . It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0054] The online handwritten formula recognition method based on user feedback information of the present invention is especially based on a structured three-stage recognition algorithm, such as figure 1 As shown, four interactive techniques of deletion, supplementary pen, structural movement and emptying are proposed.
[0055] 1. Obtain the parse tree with maximum confidence
[0056] In order to avoid blurring, noise, lack of strokes, complex bac...
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