Seamless texture mapping method of three-dimensional model

A 3D model and texture mapping technology, applied in the field of computer vision, can solve problems such as blurring, poor mapping effect, and texture misalignment, and achieve the effect of suppressing texture distortion and improving accuracy and consistency

Pending Publication Date: 2020-07-03
HANGZHOU EBOYLAMP ELECTRONICS CO LTD
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  • Application Information

AI Technical Summary

Problems solved by technology

[0007] 1. If the target in the selected texture image is occluded, the texture features of the occluded area cannot be mapped to the 3D model. If no screening is performed, the texture image with too many viewpoints will cause the texture block to be finely divided

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  • Seamless texture mapping method of three-dimensional model

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[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present application in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of this application.

[0039] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field of this application. The terms used in the specification of the application herein are only for the purpose of describing specific embodiments, and are not intended to limit the application.

[0040] In one of the embodiments, a method for seamless texture mapping of three-dimensional models is p...

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Abstract

The invention discloses a seamless texture mapping method for a three-dimensional model. The method comprises the following steps: inputting a known three-dimensional model, an RGBD image, a projection matrix and a projection matrix error; screening out an RGB image which completely covers the three-dimensional model and has the minimum pose estimation error sum; calculating a pose relationship between each surface patch in the three-dimensional model and the screened RGB image, and determining a candidate viewpoint corresponding to each surface patch; eliminating the candidate viewpoints withwrong textures in all the candidate viewpoints; selecting an optimal viewpoint from the remaining candidate viewpoints after elimination to perform texture mapping; adjusting the color and brightnessof the three-dimensional model after texture mapping; and if occlusion exists in the optimal viewpoint, mapping historical textures to an occlusion area of the three-dimensional model after joint fusion processing to obtain a complete texture mapping three-dimensional model. According to the method, the brightness color difference of adjacent textures is effectively reduced, texture distortion caused by joint fusion is inhibited, and the accuracy and consistency of the overall texture of the three-dimensional model are improved.

Description

technical field [0001] The present application belongs to the technical field of computer vision, and in particular relates to a seamless texture mapping method of a three-dimensional model. Background technique [0002] The texture mapping of the 3D model is to map the texture image with color information onto the surface of the 3D model in space, and endow the surface texture characteristics of the 3D model. In the process of 3D reconstruction, the 3D model obtained through grid construction does not have texture features. In order to make the 3D model have better visual effects, it is usually necessary to perform texture mapping on the 3D model. How to obtain objects through a set of images A more realistic and seamless texture on the surface is an important step in 3D modeling, which affects the details of the model surface and the realism of the 3D model. [0003] The existing texture mapping scheme includes: obtaining multiple texture images corresponding to the 3D mo...

Claims

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Application Information

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IPC IPC(8): G06T15/04G06T19/20
CPCG06T15/04G06T19/20G06T2219/2012
Inventor 祝中科吴俣昊张福俊丁尧刘硕
Owner HANGZHOU EBOYLAMP ELECTRONICS CO LTD
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