Camera calibration from human motion

Camera calibration from human motion
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根据人体运动校准相机

DOI:
10.1016/j.imavis.2007.10.001
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发表时间:
2008
期刊:
Image Vis. Comput.
影响因子:
--
通讯作者:
I. Reid
I. Reid
中科院分区:
--
文献类型:
--
作者:
P. Tresadern;I. Reid

文献摘要

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相似文献

本文提出了一种仅从两个视图将非刚性仿射结构自校准到欧几里德坐标系的方法,通过强制从已知人体结构(例如分段刚度和近似对称性)导出的约束。我们表明,与以前的方法相比,所提出的算法效率更高,但同样准确。然后使用全束调整进一步细化所得的结构和运动,以给出身体节段长度和关节角度的最大似然值。使用合成数据进行定量分析,同时通过人体运动的真实示例演示定性结果。
This paper presents a method for the self-calibration of non-rigid affine structure to a Euclidean co-ordinate frame from only two views by enforcing constraints derived from the known structure of the human body, such as piecewise rigidity and approximate symmetry. We show that the proposed algorithm is considerably more efficient yet equally accurate when compared to previous methods. The resulting structure and motion is then refined further using a full bundle adjustment to give maximum likelihood values for body segment lengths and joint angles. A quantitative analysis is presented using synthetic data whilst qualitative results are demonstrated for real examples of human motion.
DOI: 10.1007/bf00129684
发表时间: 1992-11-01
影响因子: 19.5
作者:
TOMASI, C;KANADE, T
通讯作者: KANADE, T
DOI: 10.1023/b:visi.0000042934.15159.49
发表时间: 2005-01-01
影响因子: 19.5
作者:
Felzenszwalb, PF;Huttenlocher, DP
通讯作者: Huttenlocher, DP