Method and device for recognizing repetitive texture

A texture, texture block technology, applied in the field of image recognition, can solve problems such as limited usage scenarios

Active Publication Date: 2016-11-23
ALIBABA GRP HLDG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In the above method, the texture block is extracted based on the assumption that texels of repeated textures have the same number of feature points. This assumption is not necessarily true for messy and repeated textures such as leopard prints, which limits the use scenarios of the above method.

Method used

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  • Method and device for recognizing repetitive texture
  • Method and device for recognizing repetitive texture
  • Method and device for recognizing repetitive texture

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Embodiment Construction

[0063] In order to make the technical solutions and advantages of the present invention clearer, the exemplary embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all implementations. Exhaustive list of examples. And in the case of no conflict, the embodiments in this description and the features in the embodiments can be combined with each other.

[0064]The repeating texture area contains texels, and the texels appear repeatedly. Therefore, the texture feature information in the texture block containing the texels can represent the texture feature information in the repeating texture area. The resource consumption of identifying texture blocks is less than that of identifying repeated texture regions. In the actual repeated texture recognition process, the recognition of texture blocks is often used inst...

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Abstract

The invention provides a method and a device for recognizing repetitive textures, and the method and the device belong to the technical field of image recognition. The method comprises the steps of: acquiring a first repetitive texture region and a preset scale threshold; determining a first extraction size of the first repetitive texture region based on the scale threshold; extracting a first texture block from the first repetition texture region according to the first extraction size; and identifying the first texture block. The device comprises a first acquisition module, a second acquisition module, a first determining module, a first extracting module and a recognition module. The method and the device determine the extraction size of the repetitive texture region through the preset scale threshold, and extract the texture block according to the extraction size based on the scale threshold; and a hypothesis that texture elements with non-repetitive textures have the same number of feature points is proposed, the method is applicable to scenarios where the hypothesis is tenable, is also applicable to scenarios where the hypothesis is untenable, and extends the recognition scenarios of the repetitive textures.

Description

technical field [0001] The invention relates to the technical field of image recognition, in particular to a method and device for recognizing repeated textures. Background technique [0002] Image texture is the relationship of pixels between image regions, such as the mean, variance, difference, or other more complex relationships of pixels between image regions. Repetitive textures are textures that repeat in a certain pattern within a connected region. Repetitive textures commonly exist in images, such as solid colors, grids, dots, stripes, leopard prints, houndstooth patterns, floral patterns, zebra patterns, etc. By identifying repeated textures, it can assist in identifying objects in the image, or find similar object. A texel is a fixed or very similar texture structure in a repeating texture area, and the number of texels in an area is the scale of the repeating texture. [0003] When identifying repeated textures, texture blocks are extracted from repeated textu...

Claims

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Application Information

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IPC IPC(8): G06T7/00G06T7/40
CPCG06T7/0008G06T2207/30108
Inventor 高飞宇郑琪
Owner ALIBABA GRP HLDG LTD
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