An Intelligent CMOS Image Sensor with negative feedback resetting

Authors

  • Masayuki Ikebe Graduate School of Information Science and Technology, Hokkaido University
  • Junichi Motohisa Graduate School of Information Science and Technology, Hokkaido University

DOI:

https://doi.org/10.37936/ecti-eec.201082.172102

Keywords:

CMOS Image Sensor, Negative Feedback, Dynamic Range Compression, Motion Detection

Abstract

We investigated a negative feedback method for adding functionality to a CMOS image sensor. Our sensor effectively uses the method to set any intermediate voltage into a photodiode capacitance while a pixel circuit is in motion. The negative feedback reset functions as a noise cancellation technique and can obtain intermediate image data during charge accumulation. As an above application, dynamic range compression is achieved by individually selecting pixels and by setting an intermediate voltage or performing quasi-holding with respect to each pixel. Additionaly, we achieved duplicated interlaced processing and were able to output frame-difference images without frame buffers. The experimental results obtained with a chip fabricated using a 0.25-gif.latex?\mum CMOS process demonstrate that Dynamic range compression and intra-frame motion detection are effective applications of negative feedback resetting.

References

[1] Kagaya R., Ikebe M., Asai T., and Amemiya Y., "On-chip fixed-pattern-noise canceling by negative-feedback reset for CMOS image sensors," Journal of the Institute of Image Information and Television Engineers, vol. 59, no. 3, pp. 415-421 (2005). (in Japanese)

[2] M. Ikebe, and K. Saito., "A Wide Dynamic Range Compression Image Sensor with Negative Feedback Resettingh , IEEE Sensors Journal, 7, 5, pp. 897-904 (May. 2007)

[3] D. Handoko, S. Kawahito, Y. Tadokoro, and A. Matsuzawa:"ACMOS image sensor with non destructive intermediate readout mode, for adaptive iterative search motion vector estimation," IEEE Workshop CCD and Advanced Image Sensors, pp. 52-55 (June 2001)

[4] M. Sasaki, M. Mase, S. Kawahito, and Y. Tadokoro.,:"A Wide-Dynamic-Range CMOS Image Sensor Based on Multiple Short Exposure-Time Readout With Multiple-Resolution Column Parallel ADC ," IEEE Sensors Journal, VOL. 7, NO. 1, pp. 151-158 (Jan. 2007)

[5] O. Yadid-Pecht.,:"Widening the dynamic range of pictures," Proc. SPIE 1656, pp. 374-382 (1992)

[6] B. Choubey, S. Aoyoma, S. Otim, D. Joseph, S. Collins:"An Electronic-Calibration Scheme for Logarithmic CMOS Pixels,"IEEE Sensors Journal, VOL. 6, NO. 4, pp. 950-956 (Aug. 2006)

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Published

2009-04-12

How to Cite

Ikebe, M., & Motohisa, J. (2009). An Intelligent CMOS Image Sensor with negative feedback resetting. ECTI Transactions on Electrical Engineering, Electronics, and Communications, 8(2), 217–223. https://doi.org/10.37936/ecti-eec.201082.172102

Issue

Vol. 8 No. 2 (2010): Special Session from ISMAC 2009

Section

Research Article

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