Research on blind element detection method of EBCMOS camera

CAI Ningjing; ZENG Xiangzhong; WANG Bo

doi:10.5768/JAO202142.0103007

Journal of Applied Optics > 2021 > 42(1): 137-142. > DOI: 10.5768/JAO202142.0103007

CAI Ningjing, ZENG Xiangzhong, WANG Bo. Research on blind element detection method of EBCMOS camera[J]. Journal of Applied Optics, 2021, 42(1): 137-142. DOI: 10.5768/JAO202142.0103007

Citation:

CAI Ningjing, ZENG Xiangzhong, WANG Bo. Research on blind element detection method of EBCMOS camera[J]. Journal of Applied Optics, 2021, 42(1): 137-142. DOI: 10.5768/JAO202142.0103007

Citation:

CAI Ningjing, ZENG Xiangzhong, WANG Bo. Research on blind element detection method of EBCMOS camera[J]. Journal of Applied Optics, 2021, 42(1): 137-142. DOI: 10.5768/JAO202142.0103007

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Research on blind element detection method of EBCMOS camera

1.
School of Electronic Engineering, Xi’an University of Posts & Telecommunications, Xi’an 710065, China
2.
Xi’an Mid-River Photoelectric Technology Co.,Ltd., Xi’an 710065, China
3.
Xi’an North Electro-Optic Science & Technology Defense Co.,Ltd., Xi’an 710065, China

More Information

Received Date: October 27, 2020
Revised Date: December 24, 2020
Available Online: December 28, 2020

Graphical Abstract

Abstract

Abstract

Electron bombarded (EB) CMOS sensor process defects cause blind elements in the image, which has a greater impact on image quality. A new blind element detection algorithm based on cross calculation of multiple images was proposed. For untargeted images with different illumination brightness, by setting different thresholds, the image was binarized; then multiple binarized images were calculated according to the position of “bright spots”, and the blind element marking template image was generated. Finally, classification and selection were performed according to the position of blind element, and the final blind element mark template was obtained. The final blind element mark template information provided a reliable basis for evaluating the quality of EBCMOS sensor and the blind element compensation in actual follow-up products.

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References (15)

References

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Research on blind element detection method of EBCMOS camera