Qt-coordinated LDS image processing system for domestic FPGA
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1.School of Electronic Engineering, South China Agricultural University,Guangzhou 510642, China; 2.School of Artificial Intelligence, South China Agricultural University,Guangzhou 510642, China

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TN79;TN91

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    Abstract:

    In response to the limitations in flexibility and the insufficient level of intelligence in existing image processing systems, this study addresses key technical challenges in the dynamic reconfiguration domain of domestic FPGAs by proposing a logic-level dynamically scheduled image processing system. The system is developed based on the PH1A90 FPGA chip from Shanghai Anlogic Technology Co., Ltd., integrated with a Qt-based host platform. By employing logic-level dynamic scheduling principles, the system achieves near-Dynamic Partial Reconfiguration (DPR)-level full-link dynamic scheduling under the control of an intelligent host module. Experimental validation demonstrates successful hardware-software co-design between the Qt host and the PH1A90 FPGA, achieving four-interface heterogeneous data acquisition, dual-sensor collaborative imaging, dynamic configuration of algorithmic processing chains, and real-time execution of twenty-two dynamic ISP algorithms. The system outputs 1 080P@60 fps video streams via HDMI, validating its dynamic scheduling capabilities across interfaces, workflows, and algorithms at the logic level. Furthermore, the results confirm the industrial-grade reliability of domestic FPGA solutions, contributing to the advancement of independent and controllable technologies in fields such as intelligent security and industrial inspection.

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  • Received:
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  • Online: February 11,2026
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