Action analysis method and system

Image analysis – Applications – Target tracking or detecting

Reexamination Certificate

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C348S350000

Reexamination Certificate

active

07486800

ABSTRACT:
An action analysis method comprising: an image recording step for continuously photographing a target; a movement locus measuring step for obtaining a movement locus of the target; an action analysis step for analyzing an action of the target from the movement locus; and an output step. In the action analysis step, a speed v and a movement direction displacement angle θ for each unit time is obtained from the movement locus; an average value X of v·cos θ for each unit time within a predetermined time is obtained; and a predetermined extraction target is distinguished by a statistic measure using the average value as an operation element index.

REFERENCES:
patent: 5629735 (1997-05-01), Kaneda et al.
Advances in Cooperative Multi-Sensor Video Surveillance (Darpa Image Understanding Workshop, Morgan Kaufmann, Nov. 1998, pp. 3-24.).
Kandade, Takeo et al., Advances in Cooperative Multi-Sensor Video Surveillance, vol. 1, Sec. 1—VSAM—Principal Surveillance Reports, pp. 3-24.
Konolige, Kurt G. et al, Extra Sets of Eyes, vol. 1, Sec. 1—VSAM—Principal Surveillance Reports, pp. 25-32.
Grimson, W.E.L. et al., Forest of Sensors: Using adaptive tracking to classify and . . . , vol. 1, Sec. 1—VSAM—Principal Surveillance Reports, pp. 33-41.
Brown, Christopher et al., Image Understanding Research at Rochester, vol. 1, Sec. 1—VSAM—Principal Surveillance Reports, pp. 43-49.
Fujiyoshi, Hironobu et al., VASM: Video Surveillance and Monitoring Project, pp. 1-8.

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