Method and apparatus for detecting motion of moving picture

Details Method and apparatus for detecting motion of moving picture Method and apparatus for detecting motion of moving picture

1990-03-06

1992-12-22

Black, Thomas G.

Boots, shoes, and leggings

364560, 358107, G01B 1100

Patent

active

051738651

ABSTRACT:
A system for detecting three-dimensional motion of a three-dimensional object by obtaining, for each block, a velocity vector from two temporally successive images of a moving picture including the three-dimensional object. A three-dimensional model is prepared in correspondence to the solid configuration of the three-dimensional object, an area is obtained in the previous frame picture where the three-dimensional object and the three-dimensional model overlap, the area is divided into a plurality of blocks, a velocity vector between the current input image and the previous frame image is obtained for each block, depth information in the block is obtained from the three-dimensional model, and three-dimensional motion parameters of the three-dimensional object, that is, its rotational movement and translational movement components, are obtained from the velocity vectors and depth information thus obtained in the plurality of blocks, whereby the three-dimensional motion of the three-dimensional object is detected.

REFERENCES:
patent: 4825393 (1989-04-01), Nishiya
patent: 4839824 (1989-06-01), Ando
patent: 4855932 (1989-08-01), Cangiani et al.
patent: 4959800 (1990-09-01), Woolley
patent: 4984179 (1991-01-01), Waldern

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