WORKSHOP PAPER
CMOS image sensor architecture for high-speed sparse image content readout
Abstract
Many high-end imaging systems make use of high-speed image sensors. With resolution ranging from 1 to 4 Mpixels and with readout speed of several thousands of frames per second, these image sensors are very large circuits. They consume usually several Watts and are complex to use and interface due to the large amount of high bandwidth parallel analog busses. However, in various cases where high-speed image sensors are required, it appears that the scene contains sparse, yet fugitive, information.Keywords
CMOS image sensor, high-speed imaging, sparse image content readout,References
1) G. Claus et al., "Particle Tracking Using CMOS Monolithic Active Pixel Sensors", Nucl.Instr.Meth., A465, 2001
2) J. Leijtens; A. Theuwissen; P. Magnan, "Smart FPA's: are they worth the effort ?", Sensors, Systems, and Next-Generation Satellites X conference, 2006. https://doi.org/10.1117/12.684594
3) A. Elouardi, S. Bouaziz, A. Dupret, L. Lacassagne, J.O. Klein, R. Reynaud, "A Smart Sensor for Image Processing: Towards a System on Chip", IEEE International Symposium on Industrial Electronics, 2006. https://doi.org/10.1109/isie.2006.296069
4) A. Dupret, J-O Klein and A Nshare, "A DSP-like analogue processing unit for smart image sensors", Int. J. Circ. Theor. Appl. 30:595–609, 2002. https://doi.org/10.1002/cta.211
5) J. Kramer, "An on/off transient imager with event-driven, asynchronous read-out", IEEE International Symposium on Circuits and Systems, 2002. https://doi.org/10.1109/iscas.2002.1010950
6) Vasiliu M., Devos F., "A Focal Plane Array for Hot Punctual Target Identification and Tracking", Proc. of IAPR, Int. Conf. on Machine Vision Application, 1996, Tokio, Japan, 1996
7) Vasiliu M., Devos F., "A Real-Time Mono-Chip Tracking Active IR, Targets", Proc. of EUSIPCO, 2000, Tampere, Finland, 2000
8) B. Dierickx, "XYW Detector: A Smart Two-Dimensional Particle Sensor", Nuclear Instruments and Methods in Physics Research, vol. A275, pp 542-544, 1989. https://doi.org/10.1016/0168-9002(89)90742-0
9) P. Lichtsteiner and T. Delbruck, "64x64 Event-Driven Logarithmic Temporal Derivative Silicon Retina", IEEE Image Sensor Workshop, 2005. https://doi.org/10.1109/rme.2005.1542972
10) B. Dierickx, "Position encoding smart pixel arrays", Nuclear Instruments and Methods, vol.A305, p.561, 1991. https://doi.org/10.1016/0168-9002(91)90157-l
11) Dupret A., Vasiliu M., Devos F., "Performance and power analysis on asynchronous reading of binary arrays", ISCAS 2006, Khos Island, may 21-24 2006; in Proceedings of IEEE, vol. 1, 10.1109/IS, 4 pages, 2006. https://doi.org/10.1109/iscas.2006.1693935