Image detector

Details Image detector Image detector

1997-04-30

1999-01-19

Couso, Jose L.

Image analysis

Image sensing

G06K 920

Patent

active

058622721

ABSTRACT:
In the image detector according to the present invention, a signal processing block generates a video signal by processing a pickup image signal corresponding to an image of an object which is picked up by an image pickup block and a motion detection block detects variations per unit time of luminance or a color of a portion or a whole of an image formed on the basis of the video signal as character variables of the image. A character analyzing block divides the video signal generated by the signal processing block into signals at durations each having the same character variable of the image detected by a motion detection block, and adds, to each of the divided video signals, an importance degree determined according to the character variables of the image and a duration of the signal, thereby making it possible to save memory capacities, accelerate retrieval of pickup images and enhance utilization efficiencies of transmission systems for lessening loads.

REFERENCES:
patent: 4819083 (1989-04-01), Kawai et al.
patent: 5748808 (1998-05-01), Taguchi et al.
patent: 5777755 (1998-07-01), Aoki et al.

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