Bandwidth reduction of multichannel images for machine vision
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United States of America Patent
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Oct 31, 2000
Grant Date -
N/A
app pub date -
May 15, 1997
filing date -
May 15, 1997
priority date (Note) -
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Abstract
The invention provides methods and apparatus for reducing the bandwidth of a multichannel image. In one aspect, the methods and apparatus call for acquiring a multichannel training image representing a training scene. Weighting factors for the respective channels are determined based on the contrast at corresponding locations in that multichannel training image. A reduced bandwidth runtime image is generated from the multichannel runtime images as a function of (i) the weighting factors determined from the training image and (ii) a multichannel image representing the runtime scene.
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