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Handwriting erasing method and device, medium and electronic equipment

A handwriting and trajectory technology, applied in the computer field, can solve problems such as miserasing, difficult graphics, large errors, etc., and achieve the effect of avoiding miserasing handwriting operations and precise erasing

Pending Publication Date: 2020-03-24
BEIJING BYTEDANCE NETWORK TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this solution can realize the function, there are large errors, prone to false erasure, and it is difficult to deal with graphics such as circles

Method used

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  • Handwriting erasing method and device, medium and electronic equipment
  • Handwriting erasing method and device, medium and electronic equipment
  • Handwriting erasing method and device, medium and electronic equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Such as figure 1 As shown, according to the specific implementation manner of the present disclosure, in the first aspect, the present disclosure provides a method for erasing handwriting, which specifically includes the following method steps:

[0049] S102: Split the handwriting input by the user into multiple graphics according to the handwriting information, and construct a handwriting graphics set according to the multiple graphics.

[0050] In this step, according to the handwriting information, the handwriting input by the user is divided into multiple polygons, or multiple circles.

[0051] Such as figure 2 As shown, a schematic diagram of splitting handwriting into polygons according to an embodiment of the present invention is shown. Take splitting the handwriting input by the user into multiple polygons as an example for illustration, as follows:

[0052] Abstract the handwriting written on the whiteboard into a curve segment, and drawing handwriting is d...

Embodiment 2

[0101] Such as image 3 As shown, according to the specific implementation manner of the present disclosure, the second aspect, the present disclosure provides a device for erasing handwriting, which specifically includes a splitting unit 302, a collection construction unit 304, a generating unit 306 and a processing unit 308, specifically as follows:

[0102] A splitting unit 302, configured to split the handwriting input by the user into multiple graphics according to the handwriting information;

[0103] A collection construction unit 304, configured to construct a graphic collection of handwriting according to a plurality of graphics split by the splitting unit 302;

[0104] A generating unit 306, configured to generate a polygon of the eraser according to the path of the eraser across the track;

[0105] The processing unit 308 is used for judging whether the polygon of the eraser eraser generated by the generation unit 306 collides with any handwriting graphic in the gr...

Embodiment 3

[0127] Such as Figure 4 As shown, this embodiment provides an electronic device, which is used for a method for erasing handwriting. The electronic device includes: at least one processor; and a memory connected in communication with the at least one processor; wherein,

[0128] The memory stores instructions that can be executed by the one processor, and the instructions are executed by the at least one processor, so that the at least one processor can: use a preset collision detection model to determine the Whether the polygon collides with any stroke graphics in the collection of handwriting graphics, if the polygon of the eraser collides with any stroke graphics in the collection of handwriting graphics, the handwriting will be erased by the eraser; thus realizing the precise erasing of the handwriting to avoid accidental erasure of handwriting.

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PUM

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Abstract

The invention provides a handwriting erasing method and device, a medium and electronic equipment. The handwriting erasing method comprises the steps of judging whether a polygon of an eraser collideswith any handwriting graph in a handwriting graph set or not according to a preset collision detection model, and erasing handwriting through the eraser if the polygon of the eraser collides with anyhandwriting graph in the handwriting graph set. According to the method, whether the polygon of the eraser collides with any handwriting graph in the handwriting graph set or not is judged through the preset collision detection model, and if the polygon of the eraser collides with any handwriting graph in the handwriting graph set, the handwriting is erased through the eraser; therefore, the handwriting is accurately erased, and the operation of mistakenly erasing the handwriting is avoided.

Description

technical field [0001] The invention relates to the technical field of computers, in particular to a method, device, medium and electronic equipment for erasing handwriting. Background technique [0002] The scale of the education and training market has been expanding. In recent years, online education has also developed rapidly. In the online teaching scenario, some teaching tools need to be provided, such as a whiteboard, which is convenient for the teacher to write on the blackboard, and students can see the content of the teacher's blackboard writing in real time. For the convenience of teaching, in the whiteboard function, it is necessary to have a function like an eraser, which can quickly erase written handwriting. In order to erase a large amount of handwriting more conveniently, the eraser will erase the handwriting that it touches. This needs to consider the performance of erasing, which can quickly erase the handwriting encountered, and at the same time need to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T11/80G06Q50/20
CPCG06T11/80G06Q50/205
Inventor 杨磊张雪峰王红生
Owner BEIJING BYTEDANCE NETWORK TECH CO LTD
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