Television – Camera – system and detail – Optics
Reexamination Certificate
2007-03-06
2007-03-06
Vu, Ngoc-Yen (Department: 2622)
Television
Camera, system and detail
Optics
C382S255000
Reexamination Certificate
active
10201951
ABSTRACT:
An image based autofocus method and system that includes receiving image data; monitoring and analyzing the contrast between different portions of the image data in determining the location of a target wherein the different portions of the image data contain at least one type of image pixel information and the monitoring and analyzing are performed using at least one kernel filter to determine a focus measure; adjusting a focus mechanism that is focusing on the image data; observing an image quality of the image data that has been focused; and continuously outputting an image to support an image processing frame rate and adjusting the focus mechanism to obtain an improved focus image by adjusting the focus mechanism in a positive direction, a negative direction or a zero (0) direction based upon effectuating a desired change in the observed image quality of the image data.
REFERENCES:
patent: 5512951 (1996-04-01), Torii
patent: 6595916 (2003-07-01), Minami et al.
patent: 2002/0080257 (2002-06-01), Blank
Birch, Stewart, Kolasch and Birch LLP
Henderson Adam L.
Lockheed Martin Corporation
Vu Ngoc-Yen
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