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SYSTEM AND METHOD FOR AUTOMATIC REGISTRATION OF ANATOMIC POINTS IN 3D MEDICAL IMAGES
专利权人:
SAMSUNG ELECTRONICS CO.; LTD.;SAMSUNG ELECTRONICS CO., LTD.;삼성전자주식회사
发明人:
GULAKA PRAVEEN,굴라카 프라빈,DANILEVICH ALEXEY BRONISLAVOVICH,다니레비치 알렉세이 브로니스라보비치,KOROBCHENKO DMITRY ALEXANDROVICH,코로브첸코 드미트리 알렉산드로비치,RYCHAGOV MIKHAIL NIKOLAEVICH,리차코브 마하일 니코라에비치,SIROTENKO MIKHAIL YURIEVICH,GULAKA PRAVEENRU,DANILEVICH ALEXEY BRONISLAVOVICHRU,KOROBCHENKO DMITRY ALEXANDROVICHRU,RYCHAGOV MIKHAIL NIKOLAEVICHRU,SIROTENKO MIKHAIL Y
申请号:
KR1020140031858
公开号:
KR1020140114308A
申请日:
2014.03.18
申请国别(地区):
KR
年份:
2014
代理人:
摘要:
The present invention relates to a medical device, and more particularly to a method and a device for automatically registering anatomic points (landmarks) on medical images. The present invention relates to a method of automatically registering landmarks in 3D medical images, and provides operations of acquiring a 3D medical image, determining a set of search points, extracting features of the points, forming a set of candidates on the necessary landmarks, filtering candidates, and outputting final locations of the necessary landmarks. Here, setting of search points is determined by setting grids of search points in a 3D image having use of a statistical map, a statistical map is attached to a border box corresponding to an irradiated portion of the body in the interior of the 3D image, features of the points are extracted by selecting a peripheral context and applying a feature extraction multilayer algorithm, the set of the candidates is formed by calculating types of necessary landmarks and the measurement of qualities of the search points using an output value corresponding to an extraction algorithm of the feature, and the candidates are filtered by premeasured threshold values for the quality measurement values and a means of a statistical map. Here, the final location is output by arranging all candidates left after the filtering in limits for types of necessary landmarks, and outputting candidates having the largest value of quality measurement values and a necessary number of candidates having the largest value of quality measurement values. An apparatus and a data carrier based on realization of the claimed method also are parts of the present invention.본 발명은 의료 기기에 관한 것이며, 특히 의료 영상들 상의 해부학적 지점(랜드마크)들의 자동 등록에 관한 방법 및 디바이스에 관한 것이다. 이는 3차원 의료 영상들의 랜드마크들의 자동 등록 방법에 관한 것이며, 3차원 의료 영상의 획득, 탐색 지점들의 집합의 결정, 지점들의 특징의 추출, 필요한 랜드마크들 상의 후보들의 집합의 형성, 후보들의 필터링, 필요한 랜드마크들의 최종 위치의 출력과 같은 동작의 수행을 제공한다. 여기에서 탐색 지점들의 설정의 결정은 통계 지도의 사용을 갖는 3차원 영상 내에서 탐색 지점들의 그리드의 설정에 의해 수행되
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/
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