Comparison of passive and active pixel schemes for CMOS visible imagers

@inproceedings{Kozlowski1998ComparisonOP,
  title={Comparison of passive and active pixel schemes for CMOS visible imagers},
  author={L. Kozlowski and Jiafu Luo and W. Kleinhans and T. Liu},
  booktitle={Defense, Security, and Sensing},
  year={1998}
}
An active pixel sensor (APS) integrated in standard CMOS process technology is shown to be superior to an alternative passive pixel sensor (PPS). Further, the CMOS APS provides video sensitivity and SNR comparable to CCDs. Though the CMOS PPS has lower performance, it offers >50% optical fill factor without microlenses and can be produced at lower cost for applications not requiring broadcast quality SNR (>35 dB) under low light conditions (<20 lx). APS and PPS SNRs of 50 dB and 44 dB are… Expand
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