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Block-based quick image mixing method

An image mixing and fast technology, which is applied in image data processing, 2D image generation, filling planes with attributes, etc., can solve problems such as insufficient fineness, and achieve the effect of fast and simple image processing

Active Publication Date: 2011-10-12
徐州果感农业科技有限公司
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Problems solved by technology

[0004] In order to overcome the deficiencies of the existing technology, a fast image mixing method is provided, which uses a small number of image samples to quickly synthesize a large number of new images on an ordinary personal computer, can naturally fuse sample images with large color differences, and can also overcome block-based The problem that texture synthesis is not fine enough when processing complex-structured pictures, in order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is, based on a block-based fast image mixing method, comprising the following steps:

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[0029] The present invention provides a method for rapidly synthesizing a large amount of new images on an ordinary personal computer by using a small amount of image samples, which mainly includes the following steps:

[0030] 1) Texture analysis: each sample image is divided into N×N regular grid blocks, and a candidate set for each position is established. In addition, the candidate set is used to construct a specific data structure, which is convenient for the next block search to be accelerated.

[0031] 2) Block-based texture synthesis: Find the block whose boundary area best matches that of the current synthesized image among the candidates at the current position. At the same time, because many images have a strong structure, the constraints of the overall structural characteristics of the texture need to be considered during the synthesis process.

[0032] 3) Boundary optimization: Since the overlapping regions of the candidate blocks generated in the synthesis stage...

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Abstract

The invention relates to image processing, special effect manufacturing, virtual reality and the like. In order to provide a quick image mixing method, quickly synthesize a large quantity of new images on the common personal computer by using a few image samples, naturally fuse sample images with large chromatic aberration and solve the problem that block-based grain synthesis is not fine enough in the process of processing a picture with a complex structure, the invention adopts a technical scheme, namely a block-based quick image mixing method. The method comprises the following steps of: 1) analyzing grains, namely dividing each sample image into blocks in an N*N regular grid and establishing the candidate set of each position; 2) synthesizing the grains based on the blocks; 3) optimizing borders; and 4) deblurring. The block-based quick image mixing method is mainly used for the image processing.

Description

technical field [0001] The invention relates to image processing, special effect production, virtual reality, etc., and specifically relates to a fast image mixing method based on blocks. Background technique [0002] Sample-based texture synthesis method is one of the research hotspots in image processing, computer graphics and computer vision in recent years. It is mainly divided into pixel-based texture synthesis and block-based texture synthesis. There are many excellent works using pixel-based synthesis methods: Heeger and Bergen were one of the first scholars to propose color textures, and they used a mixture of Laplacian pyramids and Steerable pyramids to analyze textures [1]. Paget and Longstaff [2] proved that arbitrary textures can be modeled by Markov random fields, which has been widely accepted. Wei and Levoy used tree-structured vector quantization to significantly increase the synthesis speed [3], and then they solved the problem of summing order [4]. Ashik...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T11/00G06T11/40
Inventor 刘世光吴婧婷
Owner 徐州果感农业科技有限公司
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