1. S. Mendis, S.E. Kemeny, and E.R. Fossum, CMOS active pixel image sensor, IEEE Transactions on Electron. Devices 41(3):452–453 (1994).
2. B. Ackland, Camera on a chip, in: Proc. Int. Solid-State Circuit Conf. 22–25 (1996).
3. X. Arreguit et al., A CMOS motion detector system for pointing devices, IEEE Journal of Solid-State Circuits, 31(12):1916–21(1996).
4. J. Kramer, G. Indiveri, and C. Koch, Analog VLSI motion projects at Caltech, in: Proc. AFPAEC9659, 50–63 (1996).
5. T. Delbrück and C.A. Mead, Analog VLSI phototransduction by continuous-time, adaptive, logarithmic photoreceptor circuits, CalTech/CNS Tech. Report 30 (1994).