Design of wide-range and multi-spectral TDI-CMOS imaging system

Yang Yang; Bo Zhu; Hong Wang; Pei Yao

doi:10.1117/12.2651685

23 January 2023 Design of wide-range and multi-spectral TDI-CMOS imaging system

Yang Yang, Bo Zhu, Hong Wang, Pei Yao

Proceedings Volume 12557, AOPC 2022: Optical Sensing, Imaging, and Display Technology; 125571J (2023) https://doi.org/10.1117/12.2651685
Event: Applied Optics and Photonics China 2022 (AOPC2022), 2022, Beijing, China

Abstract

As the need for image resolution, transmission rate, and integration rises in space remote sensing applications, the charge accumulation-based TDI-CMOS sensor devices evolve fast. This study proposes a TDI-CMOS imaging system based on FPGA to answer the challenge of high-resolution, wide-format multispectral imaging. First, the device selection and stitching design ideas are clarified based on the index requirements of the imaging system; second, the design techniques of the TDI-CMOS imaging system are emphasized, and the implementation methods of critical technologies such as TDI-CMOS timing drive, register configuration, P-spectrum, and B-spectrum image data training, and high-speed data interface design of the imaging system are illustrated; third, the relevant experimental work is described. In conclusion, the experimental work is described, and the experimental findings are examined and interpreted. The experimental findings demonstrate that the imaging system has a signal-to-noise ratio of 45 dB for P-spectrum and 55 dB for B-spectrum and that the resolution of picture elements is 8288 columns for P-spectrum and 2072 columns for B-spectrum.

Citation Download Citation

Yang Yang, Bo Zhu, Hong Wang, and Pei Yao "Design of wide-range and multi-spectral TDI-CMOS imaging system", Proc. SPIE 12557, AOPC 2022: Optical Sensing, Imaging, and Display Technology, 125571J (23 January 2023); https://doi.org/10.1117/12.2651685

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KEYWORDS

Sensors

Imaging systems

Cameras

Clocks

Image sensors

CMOS sensors

Data conversion

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