Imaging device employing optical motion sensor as gyroscope

Details Imaging device employing optical motion sensor as gyroscope Imaging device employing optical motion sensor as gyroscope

2005-05-05

2010-02-02

Tran, Nhan T (Department: 2622)

Television

Camera, system and detail

Camera image stabilization

C348S208400, C348S208700, C348S240300

Reexamination Certificate

active

07656428

ABSTRACT:
A motion sensor configured to control compensation for movement of an imaging device receiving light representative of a selected scene on an image plane. The motion sensor includes and array of photoelements and a controller. The array of photoelements is configured to acquire successive images of features of an environment within a field of view of the motion sensor; including a first image of features and a second image of features acquired at a time interval after the first image, the first and second images including common features. The controller is configured to receive and correlate the first and second images to detect movement of the imaging device about a first and a second axis during the time interval by detecting differences in locations of the common features relative to the array of photoelements, and to provide first and second compensation signals based on the correlation to control opto-mechanical adjustments to counter detected movement of the imaging device about the first and second axes so as to maintain a substantially fixed relationship between the selected scene and the imaging plane.

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