发明名称 |
System and method for using texture landmarks for improved markerless tracking in augmented reality applications |
摘要 |
A method of tracking a pose of a moving camera includes receiving a first image from a camera, receiving a sequence of digitized images from said camera, recording, for each of said sequence of digitized images, the pose and 2D correspondences of landmarks, reconstructing a location and appearance of a 2-dimensional texture patch from 2D correspondences of the landmarks by triangulation and optimization, computing back-projection errors by comparing said reconstructed texture patch with said first received image; and reconstructing said location and appearance of said 2-dimensional texture patch from the 2D correspondences of the landmarks of said sequence of digitized images by triangulation and optimization after eliminating those landmarks with large back-projection errors.
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申请公布号 |
US7616807(B2) |
申请公布日期 |
2009.11.10 |
申请号 |
US20060359673 |
申请日期 |
2006.02.22 |
申请人 |
SIEMENS CORPORATE RESEARCH, INC. |
发明人 |
ZHANG XIANG;GENC YAKUP;RAMESH VISVANATHAN;TSIN YANGHAI |
分类号 |
G06K9/00;G06K9/32;G06T15/00 |
主分类号 |
G06K9/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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