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Chromosome image processing method and system

A technology of image processing and chromosome, which is applied in the field of chromosome image processing system, can solve the problems of slow processing speed and large amount of calculation, and achieve the effect of fast processing speed, small amount of calculation and preservation of clarity

Inactive Publication Date: 2012-06-06
GUANGDONG VTRON TECH CO LTD
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Problems solved by technology

[0004] In order to solve the problems of large amount of computation and slow processing speed in the prior art chromosome image processing method, the present invention provides a chromosome image processing method with small computation amount and fast processing speed

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  • Chromosome image processing method and system
  • Chromosome image processing method and system
  • Chromosome image processing method and system

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Embodiment Construction

[0032] In the chromosome processing method provided by the present invention, a duplicate image is first created based on the original image of the recorded chromosome, and then the chromosomes in the duplicate image are rotated sequentially in the same direction at fixed and small angular intervals until the maximum rotation angle is equal to or greater than 180 degrees, and the number of rotations of the chromosome after each rotation is counted. Since the maximum rotation angle exceeds 180 degrees, during the rotation, the chromosomes in the replicated image will become vertically arranged at some point. According to the image characteristics when the chromosome is vertically set, record the corresponding rotation times, and calculate the required rotation angle. Then judge the positions of the short arm and the long arm of the chromosome when it is vertically set, and rotate the original image to the same direction by one of the rotation angle or the rotation angle plus 18...

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Abstract

The invention provides a chromosome image processing method and a chromosome image processing system. The method comprises the following steps of: creating a copied image according to an original image of chromosomes; sequentially rotating the chromosomes in the copied image at a fixed angle interval in the same direction until the maximum rotation angle is more than or equal to 180 degrees, and recording the horizontal distance between the most remote two pixels in the horizontal direction after each time of rotation of the chromosomes in the copied image and a corresponding rotation frequency; calculating a corresponding rotation angle according to the corresponding rotation frequency when the horizontal distance between the most remote two pixels in the horizontal direction reaches theminimum value; and rotating the chromosomes in the original image to target positions according to the rotation angle and positions of centromeres of the chromosomes in the copied image. The chromosome image processing method and the chromosome image processing system have high speed of processing the chromosome image.

Description

technical field [0001] The invention relates to a chromosome image processing method, and also relates to a chromosome image processing system. Background technique [0002] Chromosomes of different species have their own specific morphological structure (including chromosome length, centromere position, arm ratio, satellite size, etc.) characteristics, and this morphological characteristic is relatively stable. Chromosomal karyotype analysis is to analyze the characteristics of chromosome length, centromere position, arm ratio, satellite size and other characteristics in organism cells. The analysis takes metaphase chromosomes of somatic cell division as the research object. [0003] The automatic karyotype analysis of chromosomes based on image processing can improve the accuracy of analysis and judgment, and can store and process images conveniently. Combined with the standard chromosome model for comparative analysis. Usually, when performing comparative analysis of ch...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/00G06T3/60
Inventor 唐年华钟杰婷
Owner GUANGDONG VTRON TECH CO LTD
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