| http://www.w3.org/ns/prov#value | - The method includes illuminating a field of view potentially including the object, synchronously receiving reflected signals from the field of view with and without illumination, capturing first and second images within an array, and generating...http://www.google.com/patents/US6711280?utm_source=gb-gplus-sharePatent US6711280 - Method and apparatus for intelligent ranging via image subtractionAdv
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