WORKSHOP PAPER
Variable Dynamic Range CMOS Image Sensor with Area-Efficient LOFIC Pixel and Readout Circuit
Ai Otani1, Ryotaro Hotta1, Ayaka Banno1, Hiroaki Ogawa1, Ken Miyauchi2, Yuki Morikawa2, Hideki Owada2, Isao Takayanagi2, Shunsuke Okura1
1Research Organization of Science and Engineering Ritsumeikan University, 1-1-1 Noji-Higashi, Kusatsu, Shiga, 525-8577, Japan
2Brillnics Japan Inc., Omori Prime Building 7F, 6-21-12 Minami-Oi, Shinagawa-ku, Tokyo, 140-0013, Japan

Abstract

Single exposure high-dynamic-range (HDR) image sensors have been developed to capture moving objects under extreme illumination conditions. To achieve an HDR CMOS image sensor with a variable dynamic range, we propose an area-efficient variable pixel and a corresponding readout circuit.
Year: 2025
Workshop: IISW
URL: https://doi.org/10.60928/2hvn-5i3x
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Keywords

CMOS image sensor, LOFIC, HDR, High contrast, readout circuit, High SNR, variable conversion gain,

References

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