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Implementation and performance analysis of drowsiness detection using hardware acceleration on PYNQ-Z1 FPGA

Ooi, Han Yi (2024) Implementation and performance analysis of drowsiness detection using hardware acceleration on PYNQ-Z1 FPGA. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Drowsiness detection algorithms implemented on general-purpose processors perform well but suffer from portability issues and high power consumption. This project aims to overcome these limitations by designing and developing a drowsiness detection system on the PYNQ-Z1 FPGA platform. The project transitions from a software-based model to an FPGA-optimized design using high-level synthesis (HLS) of the Xilinx FINN compiler. By leveraging the parallel processing capabilities of FPGAs, the drowsiness detection is optimized for latency, power consumption, and resource utilization. The system monitors yawning and blinking, ensuring high performance while improving computational efficiency and power consumption. The integration of convolutional neural networks with FPGA frameworks demonstrates the synergy between neural network architectures and reconfigurable hardware. The results show that switching from a 6-bit model to a 2-bit model significantly reduced memory usage by 45.24%. Additionally, the quantized model on the PYNQ-Z1 reduces power consumption by 95.52% compared to the CPU. This research not only advances FPGA-based deployment, but also lays the foundation for future innovations in hardware design, neural networks, and artificial intelligence, enhancing the visual perception capabilities of computer vision and autonomous systems.

Item Type: Final Year Project (Project Report)
Uncontrolled Keywords: Drowsiness, FPGA, PYNQ-Z1, CNN, HLS
Subjects: T Technology > T Technology (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Library > Final Year Project > FTKEK
Depositing User: Norfaradilla Idayu Ab. Ghafar
Date Deposited: 23 May 2025 08:38
Last Modified: 23 May 2025 08:38
URI: http://digitalcollection.utem.edu.my/id/eprint/35743

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