A Fast 3D Model Texture Cutting and Reorganization Method

A three-dimensional model and texture technology, applied in the field of image processing, can solve the problems of insufficient smooth performance, redundant texture, and large resource consumption, and achieve the effect of rapid reorganization, smooth loading and display, and reducing memory consumption.

Active Publication Date: 2020-12-08
武汉地大信息工程股份有限公司
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Problems solved by technology

[0003] In an existing big data 3D model, simple model splitting is relatively simple, but texture splitting is difficult to implement, so the problem of a large number of redundant textures after big data splitting is left behind, resulting in unsmooth performance and resource consumption Excessive disadvantage

Method used

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  • A Fast 3D Model Texture Cutting and Reorganization Method
  • A Fast 3D Model Texture Cutting and Reorganization Method
  • A Fast 3D Model Texture Cutting and Reorganization Method

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Embodiment Construction

[0015] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0016] like figure 1 As shown, the present invention provides a method for fast three-dimensional model texture cutting and reorganization, comprising the following steps:

[0017] S1, first extract the smallest circumscribed rectangle of all triangular faces from the image data of the original 3D model, then traverse all the rectangle texture image information, and judge whether there is a rectangle with a containment relationship and an intersection rectangle according to the position and size of the rectangle, if If there are rectangles with a containment relationship, merge and retain the image information of the larger rectangle. If there are several rectangles overlapping in a certain proportion, create a new rectangle for frame selection of all overlapping rectangles and retain the image information of the larger rectangle. Thus, a set of rectan...

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Abstract

The invention discloses a rapid three-dimensional model texture segmentation recombination method. According to the method, through texture segmentation, three-dimensional model picture data is segmented into texture rectangles having certain inclusion relationships, according to width of the texture rectangles, a binary tree illustration method is employed to fill all the texture rectangles to a new three-dimensional model picture to realize reconstruction of a three-dimensional model, and new texture coordinates are further calculated. The method is advantaged in that effective area maximization of the picture can be realized through binary tree illustration, rapid recombination is realized, the texture after segmentation reconstruction after model division is utilized to reduce memory occupation, and smooth loading presentation of the three-dimensional model is realized.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to the realization of texture cutting and reorganization after splitting a three-dimensional model of big data, in particular to a method for fast three-dimensional model texture cutting and reorganization. Background technique [0002] The 3D model can display the data intuitively and comprehensively. However, the data is large, there are certain requirements for the machine hardware, and the performance is not very friendly. With the popularity of 3D models and the continuous expansion of application range, performance optimization is imperative. [0003] In an existing big data 3D model, simple model splitting is relatively simple, but texture splitting is difficult to implement, so the problem of a large number of redundant textures after big data splitting is left behind, resulting in unsmooth performance and resource consumption Excessive disadvantage. [0004] The...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T15/00G06T7/11
CPCG06T15/00G06T2200/04G06T7/11
Inventor 马维峰
Owner 武汉地大信息工程股份有限公司
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