Caltech Tobi Delbruck papers

Papers about silicon phototransduction/photoreceptors

• Photoreceptors (long version). T. Delbruck and C.A. Mead (1994). Analog VLSI Phototransduction by Continuous-Time, Adaptive, Logarithmic Photoreceptor Circuits. CNS Memo #30, Computation and Neural Systems Department, California Institute of Technology, Pasdena CA 91125. Photoreceptors (short version). T. Delbruck and C.A. Mead (1994). Photoreceptor Circuit with Wide Dynamic Range. Procedings of the International Circuits and Systems Meeting, London, May 1994.

Specialized silicon retina chips for spatiotemporal processing

• Direction-Selective Silicon Retina based on Reichardt Correlation Scheme. T. Delbruck. (1993). Silicon retina with Correlation-Based, Velocity-Tuned Pixels. IEEE Transactions on Neural Networks, Vol. 4, No. 3, pp. 529--541, May 1993.
• Direction-Selective Silicon Retina based on Barlow-Levick Scheme. R. G. Benson and T. Delbrück, Direction-selective silicon retina that uses null inhibition. in Neural Information Processing Systems 4, D.S. Touretzky, Ed., San Mateo, CA: Morgan Kaufmann, pp.~756--763, 1991.
• Time-Derivative Silicon Retina. T. Delbruck and C.A. Mead. (1991). Time-derivative adaptive silicon photoreceptor array. In T.S. Jay Jayadev (ed.) SPIE Vol. 1541, Infrared Sensors: Detectors, Electronics, and Signal Processing. (pp. 92--99).
• Autofocus System. T. Delbruck. (1989). A chip that focuses an image on itself. In C. Mead and M. Ismail (eds.) Analog VLSI implementation of neural systems. Kluwer Academic Publishers:Boston. pp 171--188.
• Stereo Matching System. M. Mahowald and T. Delbruck. (1989). Cooperative stereo matching using static and dynamic image features. In C. Mead and M. Ismail (eds.) Analog VLSI Implementation of Neural Systems. Kluwer Academic Publishers: Boston. pp 213--238.

Miscellaneous Circuits/Systems

• Scanner Frames. C.A. Mead and T. Delbruck. (1991). Scanners for Visualizing Activity of Analog VLSI Circuitry. Analog Integrated Circuits and Signal Processing. vol. 1, pp 93--106, 1991 (Extended version as Caltech Computation and Neural Systems Memo Number 11.)
• Bump Circuits. T. Delbruck. (1991). ``Bump'' Circuits for Computing Similarity and Dissimilarity of Analog Voltages. Proceedings of International Joint Conference on Neural Networks, July 8-12, 1991, Seattle Washington, pp I-475--479. (Extended version as Caltech Computation and Neural Systems Memo Number 10.)

My thesis (mostly superceded by other papers)

• PhD. Thesis. T. Delbruck. (1993). Investigations of Analog VLSI Visual Transduction and Motion Processing. Ph.D. Thesis. Dept. of Computation and Neural Systems, California Inst. of Technology, Pasadena, CA, 91125.