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Surface reduction method, device and display device

A technology of triangular face and character model, applied in the direction of instrument, calculation, image data processing, etc., can solve the problem of not considering the type and purpose of the model, and achieve the effect of reducing the impact

Active Publication Date: 2020-11-06
ALIBABA (CHINA) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In the existing technology, the model surface reduction algorithm is aimed at the general 3D model, without considering the type and use of the model

Method used

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  • Surface reduction method, device and display device
  • Surface reduction method, device and display device
  • Surface reduction method, device and display device

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Embodiment Construction

[0042] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0043] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.

[0044] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the description.

[0045] In all examples shown and discussed herein, any specific values ​​should be construed as exemplary only, and not as limitations. Therefore, other instances of the exemplary embodiment may have dif...

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Abstract

The invention discloses a surface number reduction method and device, and a display device. A three-dimensional role model comprises a plurality of triangular surfaces; each triangular surface comprises three sides; and each side comprises two vertexes. The method for performing surface reduction on the three-dimensional role model comprises the steps of determining a first side located on the edge in the three-dimensional role model; determining a second side located in the three-dimensional role model; and preferentially removing the second side relative to the first side, thereby reducing a triangular surface number. According to the surface number reduction method and device, and the display device, the influence of surface number reduction processing on visual perception can be reduced.

Description

technical field [0001] The present invention relates to a three-dimensional model surface reduction technology, and more specifically, relates to a method and device for reducing the surface of a three-dimensional character model, a device for displaying a three-dimensional character model, and a display device. Background technique [0002] 3D model surface reduction technology is one of the commonly used optimization techniques in 3D graphics. It is a Level of Detail (LOD) technique. Level of detail technology is an optimization technique used in computer 3D graphics to improve rendering performance and effects. It selects models or textures of different specifications to draw according to the size of the visible object on the screen. [0003] For example, in a three-dimensional computer application scenario, objects that are farther away from the user occupy a smaller area on the screen. The objects may be drawn with lower quality models and textures. This can improve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T17/30
CPCG06T17/30
Inventor 魏知晓
Owner ALIBABA (CHINA) CO LTD