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Handwriting erasing method and device

A technology of handwriting and location information, applied in the field of graphics, can solve the problems of low erasing efficiency, complexity, and uncomplicated handwriting segmentation, etc., and achieve the effect of improving user experience, improving efficiency, and simplifying the process

Active Publication Date: 2019-11-15
HANGZHOU HIKVISION DIGITAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when erasing broken lines of handwriting, it is impossible to segment arbitrarily complex handwriting, and it is impossible to erase multiple complex handwriting at one time, that is, the handwriting erasing process is complicated and the erasing efficiency is low, which affects user experience

Method used

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  • Handwriting erasing method and device
  • Handwriting erasing method and device
  • Handwriting erasing method and device

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Embodiment Construction

[0078] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

[0079] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term...

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Abstract

The invention provides a handwriting erasing method and device, and the method comprises the steps: obtaining an erasing curve which is drawn in an erasing mode and is used for erasing a handwriting curve, wherein the handwriting curve is a curve drawn in a drawing pen mode; connecting the starting point and the ending point of the erasing curve to obtain a polygon; and determining a partial curvelocated in the polygon from the handwriting curves and erasing the partial curve. According to the method and device, when handwriting broken line erasing is carried out, any complex handwriting canbe segmented, and the handwriting located in the erasing area after segmentation can be erased at one time, so that the handwriting erasing process can be simplified, the handwriting erasing efficiency is improved, and the user experience is improved.

Description

technical field [0001] The present application relates to the technical field of graphics, in particular to a method and device for erasing handwriting. Background technique [0002] In the process of computer graphics processing, in order to correct wrong handwriting or process handwriting, it is usually necessary to erase some drawn handwriting. [0003] Existing handwriting erasing methods, such as erasing points on polylines, erasing polygons, erasing intersections of regular erasing areas, etc. However, when erasing broken lines of handwriting, it is impossible to segment arbitrarily complex handwriting, and it is impossible to erase multiple complex handwriting at one time, that is, the handwriting erasing process is complicated and the erasing efficiency is low, which affects user experience. Contents of the invention [0004] In view of this, the present application provides a method and device for erasing handwriting, which can simplify the process of erasing ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T11/80
CPCG06T11/80
Inventor 唐曜
Owner HANGZHOU HIKVISION DIGITAL TECH