Method for processing human jaw facial bone CT image digitalization based on inheritance algorithm

A genetic algorithm and CT image technology, applied in the field of image processing, can solve problems such as narrowing the search space, low execution efficiency, and falling into local optimal solutions, and achieve the effects of shortening the code length, easy operation, and expanding the search space

Inactive Publication Date: 2009-04-15
UNIV OF SHANGHAI FOR SCI & TECH
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Problems solved by technology

Due to the large amount of information in digital images, if the relevant knowledge cannot be used to narrow the search space, a combinatorial explosion of search may occur
In recent years, scholars at home and abroad have conducted extensive and in-depth research on this topic, and proposed a variety of threshold selection methods, but these methods have problems such as low execution efficiency and easy to fall into local optimal solutions to varying degrees.

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  • Method for processing human jaw facial bone CT image digitalization based on inheritance algorithm
  • Method for processing human jaw facial bone CT image digitalization based on inheritance algorithm
  • Method for processing human jaw facial bone CT image digitalization based on inheritance algorithm

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Embodiment Construction

[0029] The embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings, but the present embodiments are not intended to limit the present invention, and all similar methods and similar changes of the present invention should be included in the protection scope of the present invention.

[0030] A kind of human maxillofacial bone CT image digital processing method based on genetic algorithm provided by the embodiment of the present invention is characterized in that the steps of the digital processing method include:

[0031] 1) Quantify the gray value of the human maxillofacial bone CT image, and its range is [0, 1]; its gray histogram can be obtained;

[0032] 2) After the calculation of the genetic algorithm, the optimal threshold is obtained; and the real number encoding is used in the genetic operation to replace the binary string encoding technology, so as to avoid converting the image gray value into a binar...

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Abstract

The invention discloses a human body jaw facial bone CT image digitization processing method based on genetic algorithm and relates to the image processing technical field; the method solves the technical problem that the digitization processing of medical images is easily operated; the digitization processing method comprises the following steps: 1) gray value quantification is carried out on the human body jaw facial bone CT image, and the range is (0, 1), thus obtaining grey level histogram of the image; 2) the calculation of genetic algorithm is carried out to obtain optimal threshold; 3) binarization digitization processing is carried out on the CT image according to the optimal threshold; 4) mathematical morphology processing is carried out to obtain boundary curve of binary image. The digitization processing method of the invention has the characteristics of the digitization processing of being easily to be operated and being capable of realizing the medical images.

Description

technical field [0001] The invention relates to image processing technology, in particular to a genetic algorithm-based digital processing method for human maxillofacial bone CT images. Background technique [0002] With the rapid development of computer technology and advanced medical equipment and equipment, some advanced detection and diagnosis methods such as X-ray machines, CT, nuclear magnetic resonance, and DSA have been paid more and more attention to and widely used by medical personnel. Subsequently, a large number of medical images and images and their storage and query problems have also arisen. Therefore, the digital processing and storage of medical images and images has become an urgent problem to be solved in clinical medicine. [0003] A basic problem in image digital processing is threshold segmentation (Thresholding). Its purpose is to divide the image into corresponding regions according to different gray values ​​to facilitate subsequent processing. T...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00G06N3/12A61B6/03
Inventor 甘屹齐从谦甘立孙福佳熊敏刘静
Owner UNIV OF SHANGHAI FOR SCI & TECH
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