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    • 35. 发明申请
    • THREE-DIMENSIONAL TARGET DEVICES, ASSEMBLIES AND METHODS FOR CALIBRATING AN ENDOSCOPIC CAMERA
    • 三维目标设备,组装和校准内窥镜相机的方法
    • US20150150435A1
    • 2015-06-04
    • US14563558
    • 2014-12-08
    • Intuitive Surgical Operations, Inc.
    • Tyler J. MorrissetteTao ZhaoJoseph P. Orban, IIIBrian David Hoffman
    • A61B1/00
    • A61B1/00057A61B1/00193
    • The present disclosure relates to calibration target devices, assemblies and methods for use with imaging systems, such as a stereoscopic endoscope. A calibration assembly includes: a target surface extends in three dimensions with calibration markers and a body with an interface that engages an endoscope so the markers are within the field of view. A first calibration marker extends along a first plane of the target surface and a second marker extends along a second plane of the target surface. The planes are different and asymmetric relative to the field of view as seen through the endoscope. Three-dimensional targets, in particular, enable endoscopic calibration using a single image (or pair of images for a stereoscopic endoscope) to reduce the calibration process complexity, calibration time and chance of error as well as allow the efficient calibration of cameras at different focus positions.
    • 本公开涉及用于诸如立体内窥镜的成像系统的校准目标装置,组件和方法。 校准组件包括:目标表面在三维上延伸有校准标记和具有接合内窥镜的界面的主体,使得标记在视野内。 第一校准标记沿着目标表面的第一平面延伸,并且第二标记沿着目标表面的第二平面延伸。 相对于通过内窥镜观察的视野,平面是不同的和不对称的。 特别地,三维目标使得能够使用单个图像(或立体内窥镜的一对图像)进行内窥镜校准,以减少校准过程的复杂性,校准时间和错误的机会以及允许在不同焦点的相机的有效校准 职位