Title :
Accelerating neuromorphic vision algorithms for recognition
Author :
Maashri, A.A. ; DeBole, Michael ; Cotter, Matthew ; Chandramoorthy, Nandhini ; Xiao, Yang ; Narayanan, Vijaykrishnan ; Chakrabarti, Chaitali
Author_Institution :
Microsyst. Design Lab., Pennsylvania State Univ., University Park, PA, USA
Abstract :
Video analytics introduce new levels of intelligence to automated scene understanding. Neuromorphic algorithms, such as HMAX, are proposed as robust and accurate algorithms that mimic the processing in the visual cortex of the brain. HMAX, for instance, is a versatile algorithm that can be repurposed to target several visual recognition applications. This paper presents the design and evaluation of hardware accelerators for extracting visual features for universal recognition. The recognition applications include object recognition, face identification, facial expression recognition, and action recognition. These accelerators were validated on a multi-FPGA platform and significant performance enhancement and power efficiencies were demonstrated when compared to CMP and GPU platforms. Results demonstrate as much as 7.6X speedup and 12.8X more power-efficient performance when compared to those platforms.
Keywords :
brain; feature extraction; field programmable gate arrays; neurophysiology; object recognition; video signal processing; CMP platforms; GPU platforms; HMAX; automated scene understanding; brain visual cortex; facial expression recognition; hardware accelerators; multiFPGA platform; neuromorphic vision algorithm acceleration; object recognition; performance enhancement; power efficiency; universal recognition; video analytics; visual feature extraction; visual recognition applications; Accuracy; Computational modeling; Computer architecture; Field programmable gate arrays; Graphics processing unit; Visualization; Domain-Specific Acceleration; Heterogeneous System; Power Efficiency; Recognition;
Conference_Titel :
Design Automation Conference (DAC), 2012 49th ACM/EDAC/IEEE
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-4503-1199-1