Focusing information visualization device, and corresponding...

Details Focusing information visualization device, and corresponding... Focusing information visualization device, and corresponding...

2011-07-12

2011-07-12

Henn, Timothy J (Department: 2622)

Television

Camera, system and detail

With electronic viewfinder or display monitor

C348S346000

Reexamination Certificate

active

07978247

ABSTRACT:
The focusing information visualization system of the invention extracts an edge having an edge intensity of not less than a first reference value Th1and an edge width of not greater than a second reference value Th2in a photographic image and displays the extracted edge in a preset color at a position of the edge extraction to be overlapped with the original photographic image on a screen. A focused area defined by the extracted edge is displayed as N divisional areas. In response to a user's operational specification of one divisional area among the N divisional areas, an enlarged photographic image corresponding to the specified divisional area at a desired magnification ratio is displayed on the screen. This arrangement adopts the automatic rough judgment and the user's final visual check to accurately recognize the focusing status of the photographic image.

REFERENCES:
patent: 5496106 (1996-03-01), Anderson
patent: 2003/0002870 (2003-01-01), Baron
patent: 2003/0117511 (2003-06-01), Belz et al.
patent: 2005/0243351 (2005-11-01), Aoyama
patent: 2003-262909 (2003-09-01), None
patent: 2005-309559 (2005-11-01), None
patent: 2005-333587 (2005-12-01), None
patent: 2006-072660 (2006-03-01), None
Abstract of Japanese Patent Publication No. 2005-309559, Pub. Date: Nov. 4, 2005, Patent Abstracts of Japan.
Abstract of Japanese Patent Publication No. 2006-072660, Pub. Date: Mar. 16, 2006, Patent Abstracts of Japan.

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