Power-efficient sensory recognition processor
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United States of America Patent
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Jul 28, 2015
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Nov 19, 2013
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Jun 12, 2009
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Abstract
This invention provides a computer and/or processor architecture optimized for power-efficient computation of a class of sensory recognition (e.g. vision) algorithms on a single computer chip derived from research into how humans process sensory information, such as vision. The processor for efficiently recognizing sensory information with recognizable features defines a feature recognition engine that resolves features from the sensory information and provides a feature information input. A plurality of processing nodes, arranged in a hierarchy of layers, receives the input and, in parallel, recognizes multiple components of the features. Recognized features are transferred between the layers so as to build likely recognition candidates and remove unlikely recognition candidates. A memory in each of the nodes refreshes and retains predetermined features related to likely recognition candidates as the features are transferred between the layers. A thresholding process determines when at least one of the recognition candidates sufficiently matches predetermined criteria.
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