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Line shape corresponding method considering local topological structures

A local topology and line technology, applied in computer components, image data processing, animation production, etc., can solve the problems of large amount of human interaction, achieve the effect of improving work efficiency, reducing the amount of human interaction, and improving accuracy

Active Publication Date: 2018-01-26
ZHEJIANG GONGSHANG UNIVERSITY
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Problems solved by technology

[0004] The purpose of the present invention is to overcome the shortcomings of the large amount of human interaction in the two-dimensional shape interpolation method in the prior art, and provide a line shape correspondence method with good practicability considering the local topological structure

Method used

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  • Line shape corresponding method considering local topological structures
  • Line shape corresponding method considering local topological structures
  • Line shape corresponding method considering local topological structures

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Embodiment Construction

[0038] The present invention will be further described below in conjunction with the drawings and specific embodiments.

[0039] Such as Figure 4 The illustrated embodiment is a line shape correspondence method considering local topological structure, including the following steps:

[0040] Step 100, the local topology based on the relative position relationship of the lines

[0041] Such as figure 1 As shown, given two line shapes, they are called the source shape and the target shape. Among them, the source shape consists of a set of lines, let The target shape consists of a set of lines, let

[0042] Step 110, for each line in the source shape If another line in the source shape If the distance is less than the given threshold, the threshold default value is 18, then it is called a line Line Neighbourhood lines, otherwise called lines The set of all neighborhood lines of is a line Local neighborhood; according to each line in the source shape And its local neighborhood, ...

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Abstract

The invention discloses a line shape corresponding method considering local topological structures. Two planar shapes formed by lines are given, the one-to-one corresponding relationship between linesof the two shapes is automatically established, and the local topological structures of the shapes are considered in the corresponding process. The method is advantaged in that corresponding accuracyof the lines of the shapes is substantially improved, and a line shape corresponding problem is lastly solved.

Description

Technical field [0001] The invention relates to the field of two-dimensional character animation technology and two-dimensional line shape interpolation technology, and in particular to a line shape corresponding method with good practicability considering local topological structure. Background technique [0002] With the strong support of the government, the domestic animation industry has developed rapidly in recent years, and the output of animation has also increased significantly. However, traditional hand-drawn two-dimensional animation requires a lot of production time and high production costs. In order to assist the production of 2D animation, many commercial software for 2D animation production have been developed at home and abroad, such as Adobe Flash, Toon Boom Studio, etc. These commercial software mainly implement the so-called "paperless cartoon" function, that is, the traditional animator drawing on paper is converted to allow the animator to draw on the comput...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T13/80G06T11/20G06K9/62
Inventor 杨文武
Owner ZHEJIANG GONGSHANG UNIVERSITY
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