Shih-Chii Liu

Position:
Group Leader
Email:
Work phone:
+41 44/ 635 3047
Home page:
Location:
I studied electrical engineering as an undergraduate, spent a few years in industry, and then completed my doctorate studies in the Computation in Neural Systems at Caltech. My interest is in developing neuromorphic systems which incorporate computational principles of the brain.

Avaliable Positions/Projects

PhD position in a sweat biomonitoring project [Paid Position]
more
PhD digital systems designer for phase 2 of the Neuromorphic Processor Project (NPP2) [Paid Position]
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Phd position in low-power event-driven smart acoustic processing [Paid Position]

A project that will develop an ultra-low power event-driven VLSI smart acoustic processing system useful for networks running on a restricted power budget such as the Internet of Things.

more
Deep neural networks for auditory scene analysis [Student Project]
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Teaching

INI-404, 227-1033-00 Neuromorphic Engineering I
INI-405, 227-1032-00 Neuromorphic Engineering II
INI-434, 227-1049-00 Block: Insights Into Neuroinformatics
INI-701, 227-1043-00 Neuroinformatics - Colloquia

Publications

2018

  • Acharya, J., Patil, A., Li, X., Chen, Y., Liu, S-C., and A. Basu, A. A comparison of low-complexity real-time feature extraction for neuromorphic speech recognition, Frontiers of Neuroscience, 2018
  • Anumula, J., Ceolini, E., He, Z., Huber, A., and Liu, S-C. An event-driven probabilistic model of sound source localization using cochlea spikes, 2018 IEEE International Symposium on Circuits and Systems, 2018
  • Anumula, J., Neil, D., Delbruck, T., and Liu, S-C. Feature representations for neuromorphic audio spike streams, Front. Neurosci.: Special Issue on Bio-Inspired Audio Processing, Models and Systems, 2018
  • Chien, C-H., Longinotti, L., Steimer, A., and Liu, S-C. Hardware implementation of an event-based message passing graphical model network, IEEE Transactions on Circuits and Systems I: Regular Papers, PP: 1-14, 2018
  • Gao, C., Neil, D., Ceolini, E., Liu, S-C., Delbruck, T. DeltaRNN: A Power-efficient Recurrent Neural Network Accelerator, Proceedings of the 2018 ACM/SIGDA International Symposium on Field-Programmable Gate Arrays (FPGA 2018) 21-30, 2018
  • Huber, A. and Liu, S-C. On approximation of bandlimited functions with compressed sensing, IEEE International Conference on Acoustics, Speech and Signal Processing, 2018
  • Rueckauer, B. and Liu, S-C. Conversion of analog to spiking neural networks using sparse temporal coding, 2018 IEEE International Symposium on Circuits and Systems, 2018

2017

2016

2015

  • Bhargava, S. and Blaettler, F. and Kollmorgen, S. and Liu, S.-C. and Hahnloser, R. H. Linear methods for efficient and fast separation of two sources recorded with a single microphone, Neural Computation, 22:(10), 2015
  • Chien, C-H. and Liu, S-C. and Steimer, A. A neuromorphic VLSI circuit for spike-based random sampling, IEEE Transactions on Emerging Topics in Computing: Special Issue on Advances in Neuromorphic and Analog VLSI Computing, PP:(99), 2015
  • Diehl, P.U. and Neil, D. and Binas, J. and Cook, M. and Liu, S.C. and Pfeiffer, M. Fast-Classifying, High-Accuracy Spiking Deep Networks Through Weight and Threshold Balancing, IEEE International Joint Conference on Neural Networks (IJCNN), 2015 pdf
  • Hussain, S. and Liu, S-C. and Basu, A. Hardware-amenable structural learning for spike-based pattern classification using a simple model of active dendrites, Neural Computation, 27:(4) 845-897, 2015
  • Indiveri, G. and Liu, S-C. Memory and information processing in neuromorphic systems, Proceedings of IEEE, 103:(8) 1379-1397, 2015
  • Klein, P. and Conradt, J. and Liu, S-C. Scene stitching with event-driven sensors on a robot head platform, IEEE Int. Symposium on Circuits and Systems (ISCAS) 2421 - 2424 , 2015
  • Li, C. and Brandli, C. and Berner, R. and Liu, H. and Yang, M. and Liu, S.-C. and Delbruck, T. Design of an RGBW Color VGA Rolling and Global Shutter Dynamic and Active-Pixel Vision Sensor, IEEE International Symposium on Circuits and Systems (ISCAS) 718 - 721 , 2015
  • Liu, H. and Brandli, C. and Li, C. and Liu, S.-C. and Delbruck, T. Design of a Spatiotemporal Correlation Filter for Event-based Sensors, IEEE International Symposium on Circuits and Systems (ISCAS) 722 - 725 , 2015 pdf
  • Liu, S-C. and Yang, M-H. and Steiner, A. and Moeckel, R. and Delbruck, T. 1kHz 2D visual motion sensor using 20x20 silicon retina optical sensor and DSP microcontroller, IEEE Transactions on Biomedical Circuits and Systems, 9:(2) 207 - 216 , 2015
  • Moeys, D. and Delbruck, T. and Liu, S-C. Current-mode automated quality control cochlear resonator for bird identity tagging, IEEE Int. Symposium on Circuits and Systems (ISCAS) 1734 - 1737 , 2015 pdf
  • Stromatias, E. and Neil, D. and Galluppi, F. and Pfeiffer, M. and Liu, S-C and Furber, S. Live Demonstration: Handwritten digit recognition using spiking Deep Belief Networks on SpiNNaker, IEEE Int. Symposium on Circuits and Systems (ISCAS), 2015
  • Stromatias, E. and Neil, D. and Galluppi, F. and Pfeiffer, M. and Liu, SC and Furber, S. Scalable Energy-Efficient, Low-Latency Implementations of Spiking Deep Belief Networks on SpiNNaker, IEEE International Joint Conference on Neural Networks (IJCNN), 2015 pdf
  • Stromatias, E. and Neil, D. and Pfeiffer, M. and Galluppi, F. and Furber, S. and Liu, S-C Robustness of spiking Deep Belief Networks to noise and reduced bit precision of neuro-inspired hardware platforms , Frontiers in Neuromorphic Engineering, 9:(222), 2015
  • Yang, M-H and Liu, S-C and Delbruck, T. A Dynamic Vision Sensor with 1% Temporal Contrast Sensitivity and In-Pixel Asynchronous Delta Modulator for Event Encoding, IEEE Journal of Solid-State Circuits, 50:(9), 2015
  • Zai, A and Bhargava, S and Mesgarani, N and Liu, S. Reconstruction of audio waveforms from spike trains of artificial cochlea models, Frontiers in Neuroscience, 2015
  • Event-Based Neuromorphic Systems, Shih-Chii Liu, Tobi Delbruck, Giacomo Indiveri, Adrian Whatley, Rodney Douglas (Eds.), Wiley, 2015

2014

  • Braendli, C. and Berner, R. and Yang, M-H and Liu, S-C. and Delbruck, T. A 240x180 130dB 3us latency global shutter spatiotemporal vision sensor, IEEE Journal of Solid-State Circuits (JSSC), 49:(10) 2333-2341, 2014
  • Braendli, C. and Berner, R. and Yang, M-H. and Liu, S-C. and Villeneuva, V. and Delbruck, T. Live demonstration: The “DAVIS” Dynamic and Active-Pixel Vision Sensor, 2014 IEEE International Symposium on Circuits and Systems 440, 2014
  • Hussain, S. and Liu, S-C. and Basu, A. Improved margin multi-class classification using dendritic neurons with morphological learning, 2014 IEEE International Symposium on Circuits and Systems 2640 - 2643, 2014
  • Liu, S-C and van Schaik, A. Neuromorphic Sensors, Cochlea, Encyclopedia of Computational Neuroscience 1-5, 2014
  • Neil, Daniel and Liu, Shih-Chii Minitaur, an Event-Driven FPGA-Based Spiking Network Accelerator, Very Large Scale Integration (VLSI) Systems, IEEE Transactions on, PP:(99) 1, 2014
  • Papadimitriou, K. and Liu, S-C. and Indiveri, G. and Drakakis, E. M. Neuromorphic log-domain silicon synapse circuits obey Bernoulli dynamics: A unifying tutorial analysis, Frontiers in Neuromorphic Engineering, 2014
  • Steiner, A. and Moeckel, R. and Thurer, R. and Floreano, D. and Delbruck, T. and Liu, S-C. 1kHz 2D silicon retina motion sensor platform, 2014 IEEE International Symposium on Circuits and Systems 41-44, 2014
  • Yang, M-H and Liu, S-C and Delbruck, T. Subthreshold DC-Gain enhancement by exploiting small size effects of MOSFETs, Electronics Letters, 50:(11) 835-837, 2014
  • Yang, M-H. and Liu, S-C. and Delbruck, T. Comparison of spike encoding schemes in asynchronous vision sensors: Modeling and design, 2014 IEEE International Symposium on Circuits and Systems 2632 - 2635, 2014

2013

  • Berner, R. and Brandli, C. and Yang, M. and Liu, S.-C. and Delbruck, T. A 240x180 120dB 10mW 12us‐latency sparse output vision sensor for mobile applications, Symposium on VLSI Circuits, 2013
  • Berner, Raphael and Brandli, Christian and Yang, Minhao and Liu, Shih-Chii and Delbruck, Tobi A 240x180 120dB 10mW 12us‐latency Sparse Output Vision Sensor for Mobile Applications, IISW 2013, 2013
  • Hussain, S. and Gopalakrishnan, R. and Basu, A. and Liu, S-C. A morphological learning: Increased memory capacity of neuromorphic systems with binary synapses exploiting AER based reconfiguration, 2013 International Joint Conference on Neural Networks, 2013
  • Liu, S-C. and Schaik, A. van and Minch, B. and Delbruck, T. Asynchronous binaural spatial audition sensor with 2x64x4 channel output, IEEE Transactions on Biomedical Circuits and Systems, 2013
  • O'Connor, P. and Neil, D. and Liu, S-C. and Delbruck, T. and Pfeiffer, M. Real-Time Classification and Sensor Fusion with a Spiking Deep Belief Network, Frontiers in Neuromorphic Engineering, 7:(178), 2013
  • Park, P. and Ryu, H. and Lee, J. H. and Shin, C. W. and Lee, K. B. and Woo, J. Y. and Kim, J-S. and Kang, B. C. and Liu, S-C. and Delbruck, T. Fast neuromorphic sound localization for binaural hearing aids, IEEE Engineering in Medicine and Biology Society, 2013
  • Wang, Y-X and Liu, S-C. Active processing of spatio-temporal input patterns in silicon dendrites, IEEE Transactions on Biomedical Circuits and Systems, 7:(3) 307-318, 2013

2012

  • Li, C-H. and Delbruck, T. and Liu, S-C. Real-time speaker identification using the AEREAR2 event-based silicon cochlea, 2012 IEEE International Symposium on Circuits and Systems 1159– 1162, 2012
  • Yang, M. H. and Liu, S-C. and Li, C-H. and Delbruck, T. Addressable current reference array with 170dB dynamic range, 2012 IEEE International Symposium on Circuits and Systems 3110-3113, 2012
  • T. Delbruck and S-C. Liu Spiking silicon retinas and cochleas for vision and audition, Frontiers in Sensing - From Biology to Engineering 88-99, 2012

2011

2010

  • Chakrabartty, S and Liu, S C Exploiting Spike-based Dynamics in a Silicon Cochlea for Speaker Identification, Proceedings of 2010 IEEE International Symposium on Circuits and Systems (ISCAS) : Paris, France, 30 May - 2 June 2010 513-516, 2010
  • D'Souza, P and Liu, S C and Hahnloser, R H R Perceptron learning rule derived from spike-frequency adaptation and spike-time-dependent plasticity, Proceedings of the National Academy of Sciences of the United States of America, 107:(10) 4722-4727, 2010 pdf
  • Finger, H and Ruvolo, P and Liu, S C and Movellan, J R Approaches and Databases for Online Calibration of Binaural Sound Localization for Robotic Heads, IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), 2010 : 18 - 22 Oct. 2010, Taipei, Taiwan 4340-4345, 2010
  • Jaeckel, D and Moeckel, R and Liu, S C Sound recognition with spiking silicon cochlea and Hidden Markov Models, 2010
  • Liu, S C and Delbruck, T Neuromorphic sensory systems, Current Opinion in Neurobiology, 20:(3) 288-295, 2010
  • Liu, S C and Mesgarani, N and Harris, J and Hermansky, H The Use of Spike-Based Representations for Hardware Audition Systems, Proceedings of 2010 IEEE International Symposium on Circuits and Systems : Paris, France, 30 May - 2 June 2010 505-508, 2010
  • Liu, S C and van Schaik, A and Minch, B A and Delbruck, T Event-based 64-channel binaural silicon cochlea with Q enhancement mechanisms, Proceedings of 2010 IEEE International Symposium on Circuits and Systems (ISCAS) : Paris, France, 30 May - 2 June 2010 2027-2030, 2010
  • Wang, Y and Liu, S C Motion detection using an aVLSI network of spiking neurons, Proceedings of the 2010 International Symposium of Circuits and Systems 93-96, 2010
  • Wang, Y and Liu, S C Multilayer processing of spatiotemporal spike patterns in a neuron with active dendrites, Neural Computation, 22:(8) 2086-2112, 2010

2009

  • Linares-Barranco, A. and Gomez-Rodriguez, F. and Jimenez, G. and Delbruck, T. and Berner, R. and Liu, S-C. Implementation of a time-warping AER mapper, Proceedings of IEEE International Symposium on Circuits and Systems 2886-2889, 2009 pdf
  • Oster , M. and Douglas, R. J. and Liu, S-C. Computation with Spikes in a Winner-Take-All Network, Neural Computation, 21:(9) 2436-2465, 2009 pdf
  • Serrano-Gotarredona, R. and Oster, M. and Lichtsteiner, P. and Linares-Barranco, A. and Paz-Vicente, R. and Gomez-Rodriguez, F. and Camuñas-Mesa, L. and Berner, R. and Rivas, M. and Delbruck , T. and Liu, S-C. and Douglas, R. J. and Hafliger, P. and Moreno, G. and Civit, A. and Serrano-Gotarredona, T. and Acosta-Jimenez, A. and Linares-Barranco, B. CAVIAR: a 45k neuron, 5M synapse, 12G connects/s AER hardware sensory-processing-learning-actuating system for high-speed visual object recognition and tracking, IEEE Transactions on Neural Networks, 20:(9) 1417-1438, 2009
  • Wang, Y. and Liu, S-C. Input evoked nonlinearities in silicon dendrite circuits, Proceedings of IEEE International Symposium on Circuits and Systems 2894-2897, 2009 pdf
  • Yu, T. and Schwartz, A. and Harris, J. and Slaney, M. and Liu, S-C. Periodicity detection and localization using spike timing from the AER EAR, Proceedings of IEEE International Symposium on Circuits and Systems 109-112, 2009 pdf

2008

  • Liu, S-C. and Moeckel, R. Temporally learning floating-gate VLSI synapses, IEEE International Symposium on Circuits and Systems (ISCAS 2008) 2154-2157, 2008 pdf
  • Moeckel, R. and Jaeggi, R. and Liu, S-C. Steering with an aVLSI motion detection chip, IEEE International Symposium on Circuits and Systems (ISCAS 2008) 1036-1039, 2008 pdf
  • Oster, M. and Yingxue, W. and Douglas, R. and Liu, S-C. Quantification of A Spike-Based Winner-Take-All VLSI Network, IEEE Transactions on Circuits and Systems I, Regular Papers, 55:(10) 3160-3169, 2008 pdf
  • Indiveri, G. and Liu, S.-C. and Delbruck, T. and Douglas, R. Neuromorphic systems, The New Encyclopedia of Neuroscience 521-528, 2008

2007

  • Chan, V. and Liu, S-C. and van Schaik, A. A matched silicon cochlea pair with address event representation interface, IEEE Transactions on Circuits and Systems I, Regular Papers, 54:(1) 48-59, 2007 pdf
  • Gomez-Rodriguez, F. and Linares-Barranco, A. and Miro, L. and Liu, S-C. and van Schaik, A. and Etienne-Cummings, R. and Lewis, M. A. AER audition filtering and CPG for robot control, 2007 IEEE International Symposium on Circuits and Systems (ISCAS 2007) 1201-1204, 2007 pdf
  • Moeckel, R. and Liu, S-C. Motion detection circuits for a time-to-travel algorithm, 2007 IEEE International Symposium on Circuits and Systems (ISCAS 2007) 3079-3082, 2007 pdf
  • Oster, M. and Douglas, R. J. and Liu, S-C. Quantifying input and output statistics of a winner-take-all network in a vision system, 2007 IEEE International Symposium on Circuits and Systems (ISCAS 2007) 853-856, 2007 pdf
  • Oster, M. and Lichtsteiner, P. and Delbruck, T. and Liu, S-C. A spike-based saccadic recognition system, 2007 IEEE International Symposium on Circuits and Systems (ISCAS 2007) 3083-3086, 2007 pdf

2006

  • Chan, V. and van Schaik , A. and Liu, S-C. Spike response properties of an AER EAR, 2006 IEEE International Symposium on Circuits and Systems 859-862, 2006 pdf
  • Huang, Y.-Y. and Rinner, O. and Hedinger, P. and Liu, S-C. and Neuhauss, S. Oculomotor instabilities in zebrafish mutant belladonna: A behavioral model for congenital nystagmus due to axonal misrouting, Journal of Neuroscience, 26:(39) 9873-9880, 2006 pdf
  • Liu, S-C. and Oster, M. Feature competition in a spike-based winner-take-all VLSI network, IEEE International Symposium on Circuits and Systems (ISCAS 2006) 3634-3637, 2006 pdf
  • Wang, Y-X. and Douglas, R. and Liu, S-C. Attentional processing in a spike-based VLSI neural network, Advances in Neural Information Processing Systems (NIPS), 19:, 2006 pdf
  • Wang, Y-X. and Liu, S-C. Programmable synaptic weights for an aVLSI network of spiking neurons, 2006 IEEE International Symposium on Circuits and Systems 4531-4534, 2006 pdf

2005

  • Liu, S-C. and van Schaik, A. An AER Ear, The Neuromorphic Engineering Newsletter, 2:(1) 11-12, 2005
  • Oster, M and Liu, S-C. Spiking inputs to a winner-take-all network, Advances in Neural Information Processing Systems (NIPS), 18: 1051-1058, 2005 pdf
  • Oster, M. and Whatley, A. M. and Liu, S-C. and Douglas, R. J. A hardware/software framework for real-time spiking systems, Artificial Neural Networks: Biological Inspirations – ICANN 2005: 15th International Conference, Warsaw, Poland, September 11-15, 2005. Proceedings, Part I, 3696: 161-166, 2005 pdf
  • Reichel, L. and Liechti, D. and Presser , K. and Liu, S-C. Robot guidance with neuromorphic motion sensors, IEEE International Conference on Robotics and Automation 3540-3544, 2005
  • Reichel, L. and Liechti, D. and Presser, K. and Liu, S-C. Robotics and Autonomous Systems, Robotics and Autonomous Systems, 51:(2-3) 167-174, 2005
  • Serrano-Gotarredona, R. and Oster, M. and Lichtsteiner, P. and Linares-Barranco, A. and Paz-Vincent, R. and Gómez-Rodríguez, F. and Kolle Riis, H. and Delbrück, T. and Liu, S. C. and Zahnd, S. and Whatley, A. M. and Douglas, R. and Häfliger, P. and Jimenez-Moreno, G. and Civit, A. and Serrano-Gotarredona, T. and Acosta-Jiménez, A. and Linares-Barranco, B. AER Building Blocks for Multi-Layer Multi-Chip Neuromorphic Vision Systems, Advances in Neural Information Processing Systems (NIPS), 18: 1217-1224, 2005 pdf
  • van Schaik, A. and Liu, S-C. AER EAR: A matched silicon cochlea pair with address event representation interface, IEEE International Symposium on Circuits and Systems, V:(4213-4216), 2005 pdf

2004

  • Delbruck, T. and Liu, S-C. A silicon visual system as a model animal , Vision Research, 44:(17) 2083-2089, 2004 pdf
  • Liu, S-C. and Douglas, R. Temporal coding in a silicon network of integrate-and-fire neurons, IEEE Transactions on Neural Networks, 15:(5) 1305-1314, 2004
  • Liu, S-C. and Douglas, R. Spike synchronization in a network of silicon integrate-and-fire neurons, 2004 IEEE International Symposium on Circuits and Systems (ISCAS 2004), V: 397-400, 2004
  • Oster, M. and Liu, S-C. A winner-take-all spiking network with spiking inputs, 11th IEEE International Conference on Electronics, Circuits and Systems (ICECS 2004), 2004 pdf

2003

  • Boegerhausen, M and Suter, P and Liu, S-C. Modeling short-term synaptic depression in silicon, Neural Computation, 15:(2) 331-348, 2003
  • Liu, S-C. A wide-field direction-selective aVLSI spiking neuron, IEEE International Symposium on Circuits and Systems, IV: 804-807, 2003
  • Liu, S-C. Analog VLSI circuits for short-term dynamic synapses, European Journal on Applied Signal Processing, 7: 1-9, 2003
  • Liu, S-C. A silicon retina with controllable winner-take-all properties, IEEE International Symposium on Circuits and Systems, V: 829-832, 2003 pdf
  • Liu, S-C. and Boegershausen, M. and Suter, P. Circuit model of short-term synaptic dynamics, Advances in Neural Information Processing Systems, 15:, 2003 pdf

2002

  • Liu, S-C. A normalizing aVLSI network with controllable winner-take-all properties, Analog Integrated Circuits and Signal Processing, 31:(1) 47-53, 2002 pdf
  • Liu, S-C. and Kramer, J. and Indiveri, G. and Delbruck, T. and Douglas, R. Orientation-selective aVLSI spiking neurons, Advances in Neural Information Processing Systems, 14:, 2002 pdf
  • Liu, S-C. and Minch , B.A. Silicon synaptic adaptation mechanisms for homeostasis and contrast gain control, IEEE Transactions on Neural Networks, 13:(6) 1497-1503, 2002 pdf
  • Usseglio-Viretta, A. and Fusi, S. and Liu, S-C. Encoding the temporal statistics of Markovian sequences of stimuli in recurrent neuronal networks, Artificial Neural Networks - ICANN 2002, 2415: 204-209, 2002 pdf
  • Liu, S-C. and Kramer, J. and Indiveri, G. and Delbruck, T. and Douglas, R. Analog VLSI: Circuits and Principles, MIT Press, 2002

2001

  • Delbruck, T and Liu, S-C. and Chicca, E and Ricci, GM and Bovet, S A Retina/V1 simple cell chip for physiology experiment design or classroom demonstration, IEEE CCD and AIS meeting, June 7-9, 2001, Lake Tahoe, California , 2001 pdf
  • Liu, S-C. and Kramer, J. and Indiveri, G. and Delbruck, T. and Burg, T. and Douglas, R. Orientation-selective aVLSI spiking neurons, Neural Networks, 14:(6/7) 629-643, 2001
  • Liu, S-C. and Minch, B.A. Homeostasis in a silicon integrate-and-fire neuron, Advances in Neural Information Processing Systems, 13:, 2001 pdf
  • Liu, S-C. and Usseglio-Viretta, A. Fly-like visuo-motor responses on a robot using aVLSI motion chips, Biological Cybernetics, 85:(6) 449-457, 2001 pdf
  • Suter, P. and Liu, S.C. A push-pull model of orientation-selectivity in a hybrid VLSI system of spiking neurons, World Congress on Neuroinformatics, 2001 pdf

2000

  • Liu, S-C. A neuromorphic aVLSI model of global motion processing in the fly, IEEE Transactions on Circuits and Systems II, Analog and Digital Signal Processing, 47:(12) 1458-1467, 2000 pdf
  • Liu, S-C. A winner-take-all circuit with controllable soft-max property, Advances in Neural Information Processing Systems, 12:, 2000
  • Liu, S-C. and Usseglio-Viretta, A. Visuo-motor fly-like responses of a robot using aVLSI motion-sensitive chips, Second International ICSC Symposium on Neural Computation, NC'2000, 2000 pdf

1999

  • Liu, S-C. Silicon retina with adaptive filtering properties, Analog Integrated Circuits and Signal Processing, 18:(2/3) 1-12, 1999
  • Liu, S-C. Silicon photoreceptors with controllable adaptive filtering properties, Learning in Silicon 67-78, 1999 pdf

1998

  • Liu, S.C. Silicon retina with adaptive filtering properties, Advances in Neural Information Processing Systems, 10:, 1998 pdf

1996

  • Liu, S-C. Silicon model of motion adaptation in the fly visual system, Proceedings of the 3rd UCSD-Caltech Joint Symposium on Neural Computation, 6:(1) 1-10, 1996
  • Liu, S.-C. and Mead, C. Continuous-time adaptive delay system, IEEE Transactions on Circuits and Systems II, Analog and Digital Signal Processing, 43:(11) 222-236, 1996

1995

  • Liu, S-C. and Boahen, K. Adaptive retina with center-surround receptive field, Advances in Neural Information Processing Systems, 8: 678-684, 1995

1994

  • Liu, S.-C. and Mead, C. Continuous-time adaptive delay system, IEEE International Symposium on Circuits and Systems, 1994
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