Method and apparatus for representing and identifying feature descriptors utilizing a compressed histogram of gradients
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United States of America Patent
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Jul 18, 2017
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N/A
app pub date -
Nov 12, 2009
filing date -
Nov 12, 2008
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Abstract
A method, apparatus and computer program product may be provided for generating a plurality of compressed feature descriptors that can be represented by a relatively small number of bits, thereby facilitating transmission and storage of the feature descriptors. A method, apparatus and computer program product may also be provided for permitting a compressed representation of a feature descriptor to be compared with a plurality of compressed representations of feature descriptors of respective predefined features. By permitting the comparison to be performed utilizing compressed representations of feature descriptors, a respective feature descriptor may be identified without having to first decompress the feature descriptor, thereby potentially increasing the efficiency with which feature descriptors may be identified.
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