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Abstract

In recent years, with the rapid growth of big data and computation, high-performance computing and heterogeneous computing have been widely concerned. In object detection algorithms, people tend to pay less attention to training time, but more attention to algorithm running time, energy efficiency ratio and processing delay. FPGA can achieve data parallel operation, low power, low latency and reprogramming, providing powerful computing power and enough flexibility. In this paper, SDAccel tool of Xilinx is used to implement a heterogeneous computing platform for face detection based on CPU+FPGA, in which FPGA is used as a coprocessor to accelerate face detection algorithm. A high-level synthesis (HLS) approach allows developers to focus more on the architecture of the design and lowers the development threshold for software developers. The implementation of Viola Jones face detection algorithm on FPGA is taken as an example to demonstrate the development process of SDAccel, and explore the potential parallelism of the algorithm, as well as how to optimize the hardware circuit with high-level language. Our final design is 70 times faster than a single-threaded CPU.

Keywords

FPGA Heterogeneous Face detection Architecture High-level synthesis SDAccel 

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Copyright information

© ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering 2020

Authors and Affiliations

  1. 1.Dalian University of TechnologyDalianChina

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