Image segmentation method based on superpixels and immune sparse spectral clustering

An image segmentation and super-pixel technology, applied in the field of image processing, can solve the problems of low segmentation accuracy and low computational complexity, and achieve the effects of reducing the amount of calculation, improving segmentation accuracy, and improving accuracy

Active Publication Date: 2018-11-30
XIDIAN UNIV
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Although this method does not require prior knowledge and has low computati

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  • Image segmentation method based on superpixels and immune sparse spectral clustering
  • Image segmentation method based on superpixels and immune sparse spectral clustering
  • Image segmentation method based on superpixels and immune sparse spectral clustering

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[0024] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0025] Step 1, input the image to be segmented.

[0026] Select a texture image whose size is A=256*256 from the database as the input image to be segmented.

[0027] Step 2, the image to be segmented is divided into superpixels.

[0028] Existing methods for dividing superpixels include methods based on graph theory, methods based on entropy rate, method Meanshift based on gradient descent, simple linear iterative clustering method SLIC and level set method Turbopixels based on geometric flow, etc. In this example, the simple linear iterative clustering method SLIC is used to divide the image to be segmented into n superpixels. The implementation steps are as follows:

[0029] (2a) Evenly select n pixels in the image to be segmented as initial seed points, assign a label to each initial seed point, each seed point contains A / n pixel points, and the distanc...

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Abstract

The invention discloses an image segmentation method based on superpixels and immune sparse spectral clustering. The method mainly aims to solve the problems that existing image segmentation methods are low in segmentation precision and poor in robustness. The method comprises the steps that first, superpixel division is performed on a texture image, and texture features of the texture image are extracted to serve as a feature dataset; second, an optimal similarity matrix of the feature dataset is found in combination with an immune cloning algorithm and sparse representation in the spectral clustering process; and last, the original image is marked according to clustering tags in combination with the superpixels, and segmentation of the texture image is realized. According to the method,superpixel blocks of the image are extracted to serve as the feature dataset, the image segmentation method based on immune sparse spectral clustering is used to divide the feature dataset, and a moreaccurate segmentation result is obtained.

Description

technical field [0001] The invention belongs to the technical field of image processing, and in particular relates to an image segmentation technology, which can be used for target recognition. Background technique [0002] Commonly used methods for image segmentation include threshold-based segmentation methods, edge-based segmentation methods, and region-based segmentation methods. With the development of pattern recognition and artificial intelligence theory, segmentation methods combined with specific theories have also been widely used. For example, based on Clustering segmentation technology, segmentation technology based on artificial neural network, segmentation technology based on genetic algorithm, etc. Among the existing clustering methods, spectral clustering is a clustering method with good characteristics of simple implementation, dimension-independent and global optimization. Applying spectral clustering to image segmentation is a hot research direction in th...

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Application Information

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IPC IPC(8): G06T7/10G06K9/62G06N3/00
CPCG06N3/006G06T7/10G06T2207/10004G06F18/23
Inventor 尚荣华刘爽焦李成刘芳尚凡华王蓉芳侯彪王爽马文萍
Owner XIDIAN UNIV
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