Method and system for extracting a specific image

Details Method and system for extracting a specific image Method and system for extracting a specific image

1991-11-27

1994-03-08

Brinich, Stephen

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358452, H04N 1387

Patent

active

052932559

ABSTRACT:
The present invention provides for designation of a prescribed area within an image as an initial extracting area, extraction of an area which fulfills the conditions determined according to the characteristics of the specific image from an image signal of an image, generation of comparative area signal presenting an area slightly larger than the extracted area which is necessary for fulfilling the conditions from the area extracting signal of the designated initial extracting area, comparison of the comparative area signal that has been generated with the candidate area signal through which the initial extracting signal of the initial extracting area is converted into an area extracting signal, and extraction of an image signal within the area determined by the new area extracting signal. As a result, the image which fulfills the conditions other than the specific image is eliminated as the extracted area that has been set as an initial extracting area changes to coincide with the specific image and only the object image which fulfills the conditions is extracted. Furthermore, since the area extracting signal is stored in a memory and used for generation of the next area extracting signal, the extracted area will follow the changes in image area owing to increase in size or movement of a specific object, thereby making it possible to extract a specific image in realtime.

REFERENCES:
patent: 4403256 (1993-09-01), Green et al.
patent: 4871906 (1989-10-01), Ueda et al.
patent: 4965678 (1990-10-01), Yamada
patent: 5063606 (1991-11-01), Takamori

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