Object tracking apparatus

Details Object tracking apparatus Object tracking apparatus

1994-02-23

1995-12-05

Britton, Howard W.

Television

Object tracking

348170, H04N 718

Patent

active

054733693

ABSTRACT:
An object detecting and tracking apparatus detects a tracking target object from a moving image photographed by a television camera and tracks the same, wherein the movement of the object is detected reliably and with high accuracy to automatically track the target object. When tracking is started after putting the target object in a region designating frame "WAKU" displayed on a screen in such a way as to be variable in size and position, a video signal input from a photographic optical system is Y/C-separated. After that, the target object is specified from a tracking region histogram, and movement vectors are obtained from a color-time-space image, color-time-space differential image, and/or luminance-time-space image thereof, thereby making it possible to more reliably detect even the movement of varied objects as compared with the conventional block matching.

REFERENCES:
patent: 4364089 (1982-12-01), Woolfson
patent: 4539590 (1985-09-01), Gage
patent: 4849906 (1989-07-01), Chodos
patent: 5187585 (1993-02-01), Kaneda et al.
EPO search report.

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