A 52mW full HD 160-degree object viewpoint recognition SoC with visual vocabulary processor for wearable vision applications
2011
A wearable 1920×1080 160-degree object viewpoint recognition SoC is realized on a 6.38mm 2 die with 65nm CMOS technology. This system focuses on enhancing the capability for wide viewpoint and long-distance recognition while reducing the computation of feature matching process. The recognition accuracy is improved from 29% to 94% under full HD resolution for a 50m-far traffic light compared with the performance under VGA (640×480). Object viewpoint prediction (OVP) supports 160-degree object viewpoint differences. 85% of power consumption and 75% of memory bandwidth are reduced via proposed visual vocabulary processor (VVP). 52mW power consumption with 25.9GOPS/mm 2 area efficiency is achieved.
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