Image analysis – Applications – Motion or velocity measuring
Reexamination Certificate
2004-09-16
2008-10-28
Bhatnagar, Anand (Department: 2624)
Image analysis
Applications
Motion or velocity measuring
C356S028000, C348S155000, C345S158000
Reexamination Certificate
active
07444006
ABSTRACT:
An image qualification method. A motion detection method. An optical navigation sensor. Image qualification, requiring only a single image frame to determine if an image frame is qualified, proceeds in real time. On the basis of the image qualification method, a motion detection method that prevents erroneous flickers is also provided for use in an optical navigation sensor.
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Bhatnagar Anand
Pixart Imaging Inc.
Tung & Associates
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