Fast Pattern Recognition Through an LBP Driven CAM on FPGA | Zendy

Omer Mujahid | Zendy; Zahid Ullah | Zendy; Hassan Mahmood | Zendy; Abdul Hafeez | Zendy

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Fast Pattern Recognition Through an LBP Driven CAM on FPGA

Author(s) -

Omer Mujahid,

Zahid Ullah,

Hassan Mahmood,

Abdul Hafeez

Publication year - 2018

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2018.2854306

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

This paper proposes a novel method for the design of a pattern recognition system based on an integrated approach of local binary patterns (LBP) and content-addressable memory (CAM), which utilizes the logical resources on a field-programmable gate array (FPGA) device. The proposed system uses LBP frequencies instead of pixel data in order to perform exact pattern matching. A logic-based CAM is used to achieve high searching speed. The proposed system is implemented on Xilinx Virtex-7 FPGA and has the ability to recognize patterns regardless of their size and type. The implementation results show that the worst-case lookup time of the proposed system for one complete recognized pattern is merely 1.05 μs, which is 37.12% lower compared with the state-of-the-art pattern recognition system.

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