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11.
公开(公告)号:US20120170824A1
公开(公告)日:2012-07-05
申请号:US13320358
申请日:2010-05-10
申请人: Bernardus Hendrikus Wilhelmus Hendriks , Michael Cornelis Van Beek , Peter-Andre Redert , Frederik Jan De Bruijn , Drazenko Babic , Robert Johannes Frederik Homan , Ralph Braspenning , Wei Pien Lee , Karl Catharina Van Bree , Caifeng Shan
发明人: Bernardus Hendrikus Wilhelmus Hendriks , Michael Cornelis Van Beek , Peter-Andre Redert , Frederik Jan De Bruijn , Drazenko Babic , Robert Johannes Frederik Homan , Ralph Braspenning , Wei Pien Lee , Karl Catharina Van Bree , Caifeng Shan
IPC分类号: G06K9/00
CPC分类号: A61B6/025 , A61B6/4423 , A61B6/4441 , A61B6/5247 , A61B90/361 , A61B90/39 , A61B2090/376
摘要: The invention provides a system (102) for accurately detecting a patient's (114) movement during imaging procedures. The system comprises a camera (126) for providing a stream of camera images of a part of a patient's exterior (206). The system (102) furthermore comprises a fiducial element (116), which fiducial element (116) is mountable on said part of the patient's exterior (206), and which fiducial element (116) is detectable in the stream of camera images, and an image processor (128) for detecting a displacement of the fiducial element based on consecutive camera images comprised in at least the stream of camera images and for generating an output signal (129) indicative for said displacement. Herein, the fiducial element (116) has an in-plane stiffness which is substantially larger than an in-plane stiffness of said part of the patient's exterior. In addition, the fiducial element (116) and said part of the patient's exterior are provided with substantially equal outer in-plane dimensions.
摘要翻译: 本发明提供一种用于在成像过程期间准确地检测患者(114)运动的系统(102)。 该系统包括用于提供患者外部(206)的一部分的相机图像流的照相机(126)。 所述系统(102)还包括基准元件(116),所述基准元件(116)可安装在所述患者外部部分(206)的所述部分上,并且所述基准元件(116)在相机图像流中是可检测的,以及 图像处理器(128),用于基于包括在至少相机图像流中的连续相机图像来检测基准元素的位移,并且用于生成指示所述位移的输出信号(129)。 这里,基准元件(116)具有的面内刚度基本上大于患者外部部分的平面内刚度。 此外,基准元件(116)和患者外部的所述部分设置有基本上相等的外部平面外尺寸。