Image multi-scale segmentation method integrated with edge information

A multi-scale segmentation and edge strength technology, applied in image enhancement, image data processing, instruments, etc., can solve the problem of lack of a quantitative standard, and achieve the effect of solving the problem of edge loss

Active Publication Date: 2012-03-07
陈建裕
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Problems solved by technology

The multi-scale analysis method uses the multi-scale segmentation results for image classification, but the selection of segmentation scales at home and abroad lacks a quantitative standard

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  • Image multi-scale segmentation method integrated with edge information
  • Image multi-scale segmentation method integrated with edge information
  • Image multi-scale segmentation method integrated with edge information

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Embodiment Construction

[0018] The region-based segmentation method is the process of dividing the image into non-overlapping region sets according to the selected consistency criterion. The consistency criterion of the multi-scale segmentation algorithm applied in remote sensing image processing is also called the segmentation scale, but the selection of the segmentation scale at home and abroad lacks a quantitative standard. Therefore, it is necessary to determine which segmentation patch is reasonable in the process of image segmentation, which is the patch that conforms to the intrinsic scale of the ground object, which is the key to utilizing the spatial information of the image object. On the other hand, the result of edge detection is an important feature that image segmentation technology relies on. When using edge information to segment images, it is necessary to solve the common problem of missing edges in the process of edge extraction.

[0019] The image multi-scale segmentation method in...

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Abstract

The invention discloses an image multi-scale segmentation method integrated with edge information. The method comprises the following steps: acquiring monochromatic, color or multiband image data; acquiring edge intensity data of the above image data; setting one or more image layer of the above image data as an image set to be segmented; setting an edge constrained condition, a segmentation method and a scale increase mode, and segmenting an image with a continuously increasing scale coefficient; carrying out image multi-scale segmentation under a scale coefficient, before merging of any patch, calculating statistics edge intensity in the patch after merging, and when the statistics edge intensity is larger than the edge constrained condition, not executing a merging process; changing the scale coefficient, and continuing to execute the multi-scale segmentation; repeating the previous step until completion of a scale increase process, and forming a multi-scale image segmentation result with image edge intensity as a constrained condition. According to the invention, an edge deletion problem in image segmentation is solved, and a scale selection mode is provided in image multi-scale segmentation.

Description

technical field [0001] The present invention relates to an image segmentation method, in particular to an image multi-scale segmentation method that integrates image edge information. As desired, the edge information in the image is used as a constraint to limit the image multi-scale segmentation process, avoiding artificial arbitrariness Scale selection and effective image multi-scale segmentation method. Background technique [0002] Image segmentation is an important algorithm in image processing. Applying image segmentation technology to form spots from images, there are two main image segmentation techniques, one is based on edge detection, and the closed curve formed by edge tracking forms small spots; the other is based on region growing, According to a specific discriminant function, similar pixels are merged into patches. [0003] Edge detection is mainly the measurement, monitoring and positioning of the gray level change of the image, and its essence is to extra...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00
Inventor 陈建裕
Owner 陈建裕
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