Method for determination of the direction to an object to be...

Details Method for determination of the direction to an object to be... Method for determination of the direction to an object to be...

2004-09-10

2010-11-30

Le, Que T (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S208100

Reexamination Certificate

active

07842911

ABSTRACT:
An image depicting an object is recorded for the purpose of measuring the direction to said object, after which the object is to be surveyed. In order to achieve an optimum stability for rapid changes to the object's position, image sensors are used to analyze or download only a part of the available pixels. A selection of the analyzed image information, as above, uses information about the required measurement accuracy and the time performance of the image sensor. According to the invention, the limitation of the downloaded information can be achieved by the selection of a partial region of the image using the combination of a sub-sampling with a sub-windowing. A selection of image points for downloading within the partial region of the image can thus be achieved by the use of the determined omitted image information.

REFERENCES:
patent: 7633610 (2009-12-01), Walser
patent: 1293518 (2001-05-01), None
patent: 0474307 (1992-11-01), None
patent: 0661519 (1995-05-01), None
patent: 02/69268 (2002-06-01), None

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