Mr. Bo Hu Profile

Bo Hu

at Xi'an Institute of Optics And Precision Mechanics

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Proceedings Article | 24 October 2017 Paper

Design of low noise imaging system

Bo Hu, Xiaolai Chen

Proceedings Volume 10459, 104590Z (2017) https://doi.org/10.1117/12.2285716

KEYWORDS: Imaging systems, Field programmable gate arrays, Cameras

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In order to meet the needs of engineering applications for low noise imaging system under the mode of global shutter, a complete imaging system is designed based on the SCMOS (Scientific CMOS) image sensor CIS2521F. The paper introduces hardware circuit and software system design. Based on the analysis of key indexes and technologies about the imaging system, the paper makes chips selection and decides SCMOS + FPGA+ DDRII+ Camera Link as processing architecture. Then it introduces the entire system workflow and power supply and distribution unit design. As for the software system, which consists of the SCMOS control module, image acquisition module, data cache control module and transmission control module, the paper designs in Verilog language and drives it to work properly based on Xilinx FPGA. The imaging experimental results show that the imaging system exhibits a 2560*2160 pixel resolution, has a maximum frame frequency of 50 fps. The imaging quality of the system satisfies the requirement of the index.

Proceedings Article | 24 October 2017 Paper

Design of CMOS imaging system based on FPGA

Bo Hu, Xiaolai Chen

Proceedings Volume 10459, 104590V (2017) https://doi.org/10.1117/12.2285248

KEYWORDS: Imaging systems, Field programmable gate arrays

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In order to meet the needs of engineering applications for high dynamic range CMOS camera under the rolling shutter mode, a complete imaging system is designed based on the CMOS imaging sensor NSC1105. The paper decides CMOS+ADC+FPGA+Camera Link as processing architecture and introduces the design and implementation of the hardware system. As for camera software system, which consists of CMOS timing drive module, image acquisition module and transmission control module, the paper designs in Verilog language and drives it to work properly based on Xilinx FPGA. The ISE 14.6 emulator ISim is used in the simulation of signals. The imaging experimental results show that the system exhibits a 1280*1024 pixel resolution, has a frame frequency of 25 fps and a dynamic range more than 120dB. The imaging quality of the system satisfies the requirement of the index.

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