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Volume 45 Issue 8
Aug.  2023
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ZHANG Xianshi, SONG Jian, SONG Sijin, LI Yongjie. Design of Biological-inspired Low-light Video Adaptive Enhancement and FPGA Accelerated Implementation[J]. Journal of Electronics & Information Technology, 2023, 45(8): 2739-2748. doi: 10.11999/JEIT221346
Citation: ZHANG Xianshi, SONG Jian, SONG Sijin, LI Yongjie. Design of Biological-inspired Low-light Video Adaptive Enhancement and FPGA Accelerated Implementation[J]. Journal of Electronics & Information Technology, 2023, 45(8): 2739-2748. doi: 10.11999/JEIT221346

Design of Biological-inspired Low-light Video Adaptive Enhancement and FPGA Accelerated Implementation

doi: 10.11999/JEIT221346
Funds:  Sichuan Science and Technology Program (#2022ZYD0112), The Natural Science Foundation of Sichuan Province (2022NSFSC0527)
  • Received Date: 2022-10-27
  • Rev Recd Date: 2023-07-13
  • Available Online: 2023-07-19
  • Publish Date: 2023-08-21
  • A nighttime image enhancement model is proposed in this paper, which is inspired by biological vision mechanism and implemented on Field Programmable Gate Arrays (FPGA) for real-time enhancement of low-light videos and images. Inspired by the Midget cells and the Parasol cells in the early visual system, the proposed method processes the structure and detail information through two independent pathways respectively, and obtains a nice effect and efficiency. To achieve real-time enhancement of high-resolution videos, this paper implements the proposed method on Field Programmable Gate Arrays. High data throughput is ensured through hardware design such as sliding data window parallel processing, adjacent frame information sharing, and multi-channel parallelization. Implemented on Field Programmable Gate Arrays XC7Z100, the proposed design achieves processing 60 frames per second for 1024 × 768 RGB images. Compared with existing designs in this field, the proposed design has higher data throughput and is suitable for high-resolution real-time image enhancement applications.
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