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Texture design and synthesis method based on element reorganization

A synthesis method and primitive technology, applied in the field of texture design and synthesis based on primitive reorganization, can solve problems such as inconvenience, single output result, and inability to obtain parameters.

Inactive Publication Date: 2013-09-11
SHANGHAI JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The procedural texture synthesis effect is very good, and you can get very realistic textures, but the disadvantage is that for each new type of texture, you need to adjust the parameters and test repeatedly, which is very inconvenient, and some even cannot get effective parameters
Due to the need to assume that there is available reference information in the given sample texture, the output result of the synthesis is usually a single

Method used

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  • Texture design and synthesis method based on element reorganization
  • Texture design and synthesis method based on element reorganization
  • Texture design and synthesis method based on element reorganization

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Embodiment

[0042] According to the principle framework of texture design and synthesis scheme based on primitive recombination figure 1 , the detailed steps of texture design and synthesis can be determined as follows:

[0043] The first step of primitive extraction

[0044] Initialize, convert the given sample texture image into a gray image, and then use the Gaussian filter method to smooth the gray image to remove the noise in the image.

[0045] The sample texture image is scanned line by line, and the texture feature analysis is performed on the sub-block centered on each pixel point: first, the traditional Gabor Wavelet Transform (Gabor Wavelet Transform) is used to perform texture feature statistics on multiple scales and directions, and obtain Transform coefficients; secondly, calculate the mean and standard deviation of the transform coefficients in each scale and direction. Finally, the texture features corresponding to each pixel sub-block are obtained.

[0046] In the prim...

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Abstract

The invention relates to a texture design and synthesis method based on element reorganization, comprising the steps of: (1) element extraction; (2) element classification; (3) element distribution and generation; (4) element placement and deformation; and (5) post-treatment. Compared with the prior art, the invention well solves the problem that sample texture needs to be referred to in a texture synthesis process, and an existing synthesis method based on sample texture is improved through a treatment method controlled by a user.

Description

technical field [0001] The invention relates to a texture design and synthesis method, in particular to a texture design and synthesis method based on primitive recombination. Background technique [0002] In computer vision and computer graphics, texture is an important means to enhance the surface details of objects. When drawing large-scale and complex scenes, rich textures are usually required to enhance the realism of the scene. However, due to the limitation of the sampling area, the obtained texture samples are usually small textures, which are difficult to meet the needs of rendering. For this, a large amount of texture generation must be performed. Currently, the most commonly used texture generation techniques include procedural texture synthesis and sample-based texture synthesis. Procedural texture synthesis is a very important texture generation technology, which generates new textures by simulating the texture generation process. Procedural texture synthesi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T11/20
Inventor 桂彦马利庄
Owner SHANGHAI JIAOTONG UNIV
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