Handwriting erasing method, device and equipment

A handwriting and electronic equipment technology, applied in the field of drawing, can solve problems such as low processing efficiency, large data volume, and affecting user experience, and achieve high processing efficiency, fast speed, and improved processing time

Pending Publication Date: 2020-08-11
HANGZHOU HIKVISION DIGITAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the above method, the area passed by the erasing tool is traversed in units of the minimum granularity of the specified drawing area—the position point. The amount of data traversed each time is large, and the processing efficiency is low.
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  • Handwriting erasing method, device and equipment
  • Handwriting erasing method, device and equipment
  • Handwriting erasing method, device and equipment

Examples

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Embodiment Construction

[0065] 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 examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.

[0066] The terminology used in the present invention is for the purpose of describing particular embodiments only and is not intended to limit the invention. As used herein and in 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 "and / or" as use...

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PUM

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Abstract

The invention provides a handwriting erasing method, device and equipment, and the method comprises the steps: obtaining the target block information of at least one target block when an erasing operation is executed in a specified drawing region, enabling the specified drawing region to be divided into a plurality of blocks in advance, and enabling each block to comprise a plurality of position points which can form handwriting forming points; and when at least one piece of target block information exists in the recorded handwriting information set corresponding to the first handwriting, erasing handwriting composition points in the target block in the first handwriting, wherein the first handwriting is drawn in a specified drawing area, and the handwriting information set is used for recording block information of a block where each handwriting forming point in the first handwriting is located. The handwriting erasing method, device and the equipment can improve the processing efficiency.

Description

technical field [0001] The present invention relates to the technical field of drawing, in particular to a handwriting erasing method, device and equipment. Background technique [0002] In some drawing software such as electronic whiteboards, handwriting can be drawn or erased. Handwriting can be patterns, characters, etc. In some cases, when the erase tool erases, it may only erase part of the handwriting, such as figure 1 and figure 2 , figure 1 It is the handwriting before erasure, figure 2 yes figure 1 The handwriting in is erased. [0003] In a related way, for each handwriting composition point on the handwriting, traverse each position point in the area passed by the erasing tool, check whether the handwriting composition point and the traversed position point are in the same position, if they are the same, the handwriting The constituent points need to be erased to determine the erased handwriting when the traversal is complete. [0004] In the above metho...

Claims

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Application Information

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IPC IPC(8): G06T11/80
CPCG06T11/80
Inventor 章凯陈豪蒋义望
Owner HANGZHOU HIKVISION DIGITAL TECH
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