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APPAREIL DE TRAITEMENT D'IMAGE ET PROCÉDÉ DE TRAITEMENT D'IMAGE
专利权人:
OLYMPUS MEDICAL SYSTEMS CORP.
发明人:
申请号:
EP11800482.9
公开号:
EP2502547B1
申请日:
2011.03.31
申请国别(地区):
EP
年份:
2015
代理人:
摘要:
An image processing apparatus according to the present invention includes a first feature value calculation unit adapted to calculate a first feature value for each pixel in an image picked up of living tissue, where the first feature value represents a value of an index which indicates what shape a local region including a pixel of interest and each pixel in a neighborhood of the pixel of interest has; a second feature value calculation unit adapted to calculate a second feature value for each pixel in the image, where the second feature value represents a state of distribution of the gradient direction in the local region; an evaluation value calculation unit adapted to calculate a geometric evaluation value for enabling to distinguish a structure of a predetermined shape contained in the image for each pixel based on calculation results of the first feature value and the second feature value; and a region extraction unit adapted to extract, from the image, a candidate region estimated to contain the structure of the predetermined shape based on a calculation result of the geometric evaluation value.
来源网站:
中国工程科技知识中心
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