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Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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25-04-2012 дата публикации

Method for segmenting ore image

Номер: CN0101710424B
Автор: LIU GUANZHOU, MOU CHUNJIE, SHA YUN, WANG GANG, WANG LANSHA, YANG CHEN, ZHANG GUOYING, GUANZHOU LIU, CHUNJIE MOU, YUN SHA, GANG WANG, LANSHA WANG, CHEN YANG, GUOYING ZHANG
Принадлежит:

The invention discloses a method for segmenting an ore image, comprising the following steps of: binaryzing an ore image on a conveyor belt by a self-adaptive threshold method; changing distance gray scale of a binaryzation image, keeping the black of a background pixel in the image unchanged, converting the gray value of a target pixel into the minimum distance with target boundary, ensuring that the center of each ore object erects like a peak and the pixel value at the adhered part of ores is lower than the pixel value of the ore center; integrally reducing all pixel values of distance images and enabling the adhered parts of ores to become the background and each object to be separated; removing the convex-concave at the peak of each object by reconstructing the distance images and enabling the peak to become a platform area as a seed area of the ores; and recording the edge of each seed area and growing the edges of the seed area in parallel to reach the boundary of each ore object ...

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Номер записи: 1
19-05-2010 дата публикации

Method for segmenting ore image

Номер: CN0101710424A
Автор: Liu Guanzhou, Mou Chunjie, Sha Yun, Wang Gang, Wang Lansha, Yang Chen, Zhang Guoying
Принадлежит:

The invention discloses a method for segmenting an ore image, comprising the following steps of: binaryzing an ore image on a conveyor belt by a self-adaptive threshold method; changing distance gray scale of a binaryzation image, keeping the black of a background pixel in the image unchanged, converting the gray value of a target pixel into the minimum distance with target boundary, ensuring that the center of each ore object erects like a peak and the pixel value at the adhered part of ores is lower than the pixel value of the ore center; integrally reducing all pixel values of distance images and enabling the adhered parts of ores to become the background and each object to be separated; removing the convex-concave at the peak of each object by reconstructing the distance images and enabling the peak to become a platform area as a seed area of the ores; and recording the edge of each seed area and growing the edges of the seed area in parallel to reach the boundary of each ore object ...

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Номер записи: 2