FPGA-QHAR: Throughput-Optimized for Quantized Human Action Recognition on The Edge

• URL: http://arxiv.org/abs/2311.03390v1
• Date: Sat, 4 Nov 2023 10:38:21 GMT
• Title: FPGA-QHAR: Throughput-Optimized for Quantized Human Action Recognition on The Edge
• Authors: Azzam Alhussain and Mingjie Lin
• Abstract summary: This paper proposed an integrated end-to-end HAR scalable HW/SW accelerator co-design based on an enhanced 8-bit quantized Two-Stream SimpleNet-PyTorch CNN architecture. Our development uses partially streaming dataflow architecture to achieve higher throughput versus network design and resource utilization trade-off. Our proposed methodology achieved nearly 81% prediction accuracy with an approximately 24 FPS real-time inference throughput at 187MHz on ZCU104.
• Score: 0.6254873489691849
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Accelerating Human Action Recognition (HAR) efficiently for real-time surveillance and robotic systems on edge chips remains a challenging research field, given its high computational and memory requirements. This paper proposed an integrated end-to-end HAR scalable HW/SW accelerator co-design based on an enhanced 8-bit quantized Two-Stream SimpleNet-PyTorch CNN architecture. Our network accelerator was trained on UCF101 and UCF24 datasets and implemented on edge SoC-FPGA. Our development uses partially streaming dataflow architecture to achieve higher throughput versus network design and resource utilization trade-off. We also fused all convolutional, batch-norm, and ReLU operations into a single homogeneous layer and utilized the Lucas-Kanade motion flow method to enable a high parallelism accelerator design and optimized on-chip engine computing.Furthermore, our proposed methodology achieved nearly 81% prediction accuracy with an approximately 24 FPS real-time inference throughput at 187MHz on ZCU104, which is 1.7x - 1.9x higher than the prior research. Lastly, the designed framework was benchmarked against several hardware chips for higher throughput and performance measurements and is now available as an open-source project on GitHub for training and implementation on edge platforms.

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