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郁闷的GENIUS金虫 (小有名气)
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[求助]
大家讨论下如何通过一组图像序列求取相机的移动轨迹啊？ 已有1人参与
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| RT，小弟看了些论文，但过程讲的都不是很清楚，想请大神帮忙解答下：当两张图像的匹配点对求出来后，如何计算拍摄这两张图像时相机的相对位姿呢？ |
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郁闷的GENIUS
金虫 (小有名气)
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6楼2014-12-25 18:02:01
lxc_422
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郁闷的GENIUS: 金币+5, ★★★很有帮助 2014-12-25 11:42:00
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郁闷的GENIUS: 金币+10 2015-01-03 17:33:40
感谢参与，应助指数 +1
郁闷的GENIUS: 金币+5, ★★★很有帮助 2014-12-25 11:42:00
郁闷的GENIUS: 金币+10 2014-12-25 18:12:01
郁闷的GENIUS: 金币+10 2015-01-03 17:33:40
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First, you should compute the essential matrix E. Second, according to E=[t]xR, if you know the translation matrix t and the rotation matrix R, then you could obtain the pose of the camera. However, you only have two images at hand. We assume that the camera are uncalibrated, therefore, you need to solve the fundamental matrix F from the corresponding points. Since E=KT*F*K, you should compute the calibration matrix K. We know that K only could be determined from autocalibration(or self-calibration), because the camera has not been calibrated. Hence, if you solved the problem of camera autocalibration and obtained K, then you could easily obtain the pose of the camera. How could we solve the autocalibration problem? The idea of auto calibrating a camera originated in the literature titled "Camera self-calibration: Theory and experiments" by Faugeras, Luong and Maybank in 1992. You could find out more useful information from this idea. |
2楼2014-12-25 10:09:32
郁闷的GENIUS
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3楼2014-12-25 11:41:48
lxc_422
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4楼2014-12-25 12:50:37
