Designing a Posture Analysis System with Hardware Implementation
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Posture analysis is an active research area in computer vision for applications such as home care and security monitoring. This paper describes the design of a system for posture analysis with hardware acceleration, addressing the following four aspects: (a) a design workflow for posture analysis based on radial shape and projection histogram representations; (b) the implementation of different architectures based on a high-level hardware design approach with support for automating transformations to improve parallelism and resource optimisation; (c) accuracy evaluation of the proposed posture analysis system, and (d) performance evaluation for the derived designs. One of the designs, which targets a Xilinx XC2V6000 FPGA at 90.2 MHz, is able to perform posture analysis at a rate of 1,164 frames per second with a frame size of 320 by 240 pixels. It represents 3.5 times speedup over optimised software running on a 2.4 GHz AMD Athlon 64 3700+ computer. The frame rate is well above that of real-time video, which enables the sharing of the FPGA among multiple video sources.
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- Designing a Posture Analysis System with Hardware Implementation
The Journal of VLSI Signal Processing Systems for Signal, Image, and Video Technology
Volume 47, Issue 1 , pp 33-45
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- Kluwer Academic Publishers-Plenum Publishers
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- posture analysis
- gait analysis
- hardware compilation
- ubiquitous sensor networks
- Industry Sectors