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Image texture mapping method and device

A texture mapping and mapping technology, applied in the field of image processing, can solve the problems of text or content confusion, texture display distortion, edge blurring, etc., to simplify operations, reduce resource usage, and improve display effects.

Active Publication Date: 2022-07-05
ALIBABA GRP HLDG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, when performing texture mapping on this kind of picture, the above-mentioned content display area will be distorted due to repeated sampling during the sampling process, for example, the displayed text or content is confused, the edge is blurred, etc., and the effect is very poor

Method used

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  • Image texture mapping method and device
  • Image texture mapping method and device

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Embodiment Construction

[0023] The following describes in detail the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, but should not be construed as a limitation on the present application.

[0024] Due to the unique properties of scalable pictures, that is, the content display area is prone to blurring and image quality degradation when expanding, and the characteristics that the expanding area has no obvious effect on the display effect when expanding, if the texture mapping method in the related art is used , repeatedly sampling the texture data of the entire image and mapping it to the target area, which may easily cause the content display area to be blurred...

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Abstract

The present application provides a method and device for texture mapping of a picture, wherein the method for texture mapping of the picture includes the following steps: obtaining a source picture, the source picture includes a first area and a second area; generating a texture of the source picture data; according to a preset mapping rule, sample the texture data and map it to the target map area, wherein the mapping rule includes that the texture data of at least one point in the first area is mapped to the target map The number of samples in the region is less than or equal to the number of samples when the texture data of any point in the second region is mapped to the target map region. The image texture mapping method of the present application can effectively improve the texture texture and fineness of the scalable image, and can effectively reduce the resource occupation, simplify the operation, and improve the display effect.

Description

technical field [0001] The present application relates to the technical field of image processing, and in particular, to a method and device for texture mapping of pictures. Background technique [0002] Texture mapping is the process of mapping texels in texture space to pixels in screen space, a process that uses images, functions, or other data sources to change the appearance of the image at each location. At present, texture mapping is mainly performed through OpenGL (Open Graphics Library, a professional graphics program interface with a cross-programming language and cross-platform programming interface specification), so that the same image can be mapped to screen spaces of different resolutions or sizes. [0003] However, for an expandable image similar to the .9.png format, due to its adaptive resizing ability, this image allows developers to define an expandable area, when the image needs to be extended to fill a larger area than the image itself, The content of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T3/40
CPCG06T3/4007G06T3/4092
Inventor 李利民董民慕银锁陶伟成
Owner ALIBABA GRP HLDG LTD
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