Optics: measuring and testing – Range or remote distance finding – With photodetection
Reexamination Certificate
2007-02-27
2008-10-07
Connolly, Patrick J (Department: 2877)
Optics: measuring and testing
Range or remote distance finding
With photodetection
C356S610000
Reexamination Certificate
active
07433024
ABSTRACT:
A method for mapping includes projecting a primary speckle pattern from an illumination assembly into a target region. A plurality of reference images of the primary speckle pattern are captured at different, respective distances from the illumination assembly in the target region. A test image of the primary speckle pattern that is projected onto a surface of an object in the target region is captured and compared to the reference images so as to identify a reference image in which the primary speckle pattern most closely matches the primary speckle pattern in the test image. The location of the object is estimated based on a distance of the identified reference image from the illumination assembly.
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Garcia Javier
Zalevsky Zeev
Abelman ,Frayne & Schwab
Connolly Patrick J
Prime Sense Ltd.
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