Model Based Multiresolution Motion Analysis

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Beacom James,Wilson Roland

Model Based Multiresolution Motion Analysis

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1997

abstract:

A model based multiresolution motion analysis technique is presented. The projection onto the image plane of the motion of a point in three space is used in a derivative based optical flow formulation. This can then be solved using the method of least sq uares to compute the six parameters describing the motion of the body (three rotational and three translational components) initially at a high scale and then re ned with increasing resolution These may be calculated due to prior knowledge of the depth o f points in the scene from an explicit volumetric model of the object being viewed. This is speci ed at a single resolution and then extrapolated through scale. This enables the creation of a texture mapped approximation of the input frames at each scale to be used in the coarse-to- ne estimation of the motion parameters. The object is assumed not to deform through time

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Graphics & Media Lab. >> Библиотека | Курсы | Графикон

Верстка, дизайн, программирование Людмила Попова
Выпускающий редактор Дмитрий Ватолин
Подготовка материала Ольга Карпенко