Philipp Dominik Häfliger

Image of Philipp Dominik Häfliger
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Phone +47-22840118
Room 5414
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Visiting address Gaustadalléen 23B Ole-Johan Dahls hus 0373 OSLO
Postal address Postboks 1080 Blindern 0316 OSLO
Other affiliations Department for Informatics

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Academic Interests

Biomedical Circuits and Systems, Neuromorphic Electronics

Teaching

Tags: Life sciences, Electronics, Microelectronics, Nanoelectronics, Integrated circuits, Neuromorphic systems, Micro-implants, Machine Learning, USA

Publications

  • Greco, Jordan A.; Fernandes, Andre Lourenco; Wagner, Nicole L.; Azadmehr, Mehdi; Häfliger, Philipp; Johannessen, Erik Andrew & Birge, Robert R. (2017). Pixel characterization of a protein-based retinal implant using a microfabricated sensor array. International Journal of High Speed Electronics and Systems.  ISSN 0129-1564.  26:1740012(3), s 1- 20 . doi: 10.1142/S0129156417400122
  • Fernandes, Andre Lourenco; Azadmehr, Mehdi; Johannessen, Erik Andrew & Häfliger, Philipp (2016). An osmotic pressure sensor for monitoring the level of hydration in biological fluids. IEEE Sensors Journal.  ISSN 1530-437X.  16(11), s 4331- 4337 . doi: 10.1109/JSEN.2016.2548361
  • Häfliger, Philipp; Nabovati, G.; Sawan, M.; Wagner, N.; Greco, J. & Birge, R. R. (2016). Combined optical and chemical asynchronous event pixel array. Proceedings - IEEE International Symposium on Cicuits and Systems.  ISSN 0271-4310.  2016-July, s 317- 320 . doi: 10.1109/ISCAS.2016.7527234
  • Leñero Bardallo, Juan Antonio; Häfliger, Philipp; Carmona-Galán, R. & Rodríguez-Vázquez, Angel (2016). A Bio-Inspired Vision Sensor With Dual Operation and Readout Modes. IEEE Sensors Journal.  ISSN 1530-437X.  16(2), s 317- 330 . doi: 10.1109/JSEN.2015.2483898
  • Farian, Lukasz; Häfliger, Philipp & Bardallo, Juan Antonio Lenero (2015). Miniaturized Sun sensor with in-pixel processing for Attitude Determination of micro space probes, In Jorge Fernandes & Wouter Serdjin (ed.),  Proceedings of the IEEE International Symposium on Circuits and Systems.  IEEE conference proceedings.  ISBN 9781479983926.  paper.
  • Farian, Lukasz; Leñero-Bardallo, Juan Antonio & Häfliger, Philipp (2015). A Bio-Inspired AER Temporal Tri-Color Differentiator Pixel Array. IEEE Transactions on Biomedical Circuits and Systems.  ISSN 1932-4545.  9(5), s 686- 698 . doi: 10.1109/TBCAS.2015.2492460
  • Lee, Kin Keung; Lande, Tor Sverre & Häfliger, Philipp (2015). A sub-µW bandgap reference circuit with an inherent curvature-compensation property. IEEE Transactions on Circuits and Systems Part 1: Regular Papers.  ISSN 1549-8328.  62(1), s 1- 9 . doi: 10.1109/TCSI.2014.2340553
  • Nguyen, Thanh Trung & Häfliger, Philipp (2015). A Sub-micro Watt Implantable Capacitive Sensor System for Biomedical Applications . IEEE Transactions on Circuits and Systems - II - Express Briefs.  ISSN 1549-7747.  62(2), s 209- 213 . doi: 10.1109/TCSII.2014.2368260
  • Zaher, Ali; Særsten, Joar D; Nguyen, Thanh Trung & Häfliger, Philipp (2015). Integrated electronic system for implantable sensory NFC tag, In  37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC).  IEEE conference proceedings.  ISBN 978-1-4244-9271-8.  paper.  s 7119 - 7122
  • Farian, Lukasz; Leñero-Bardallo, Juan Antonio & Häfliger, Philipp (2014). A bio-inspired AER temporal tri-color differentiator, In  Biomedical Circuits and Systems Conference (BioCAS), 2014 IEEE.  IEEE conference proceedings.  ISBN 978-1-4799-2346-5.  paper.  s 524 - 527
  • Fernandes, Andre Lourenco; Azadmehr, Mehdi; Johannessen, Erik Andrew & Häfliger, Philipp (2014). Low power integrated electronics system for the operation of a miniaturized hydration sensor, In  2014 IEEE 12th International New Circuits and Systems Conference (NEWCAS).  IEEE conference proceedings.  ISBN 978-1-4799-4885-7.  Paper.  s 17 - 20
  • Leñero-Bardallo, Juan Antonio; Bryn, Dag Halfdan & Häfliger, Philipp (2014). Bio-inspired asynchronous pixel event tricolor vision sensor. IEEE Transactions on Biomedical Circuits and Systems.  ISSN 1932-4545.  8(3), s 345- 357 . doi: 10.1109/TBCAS.2013.2271382
  • Leñero-Bardallo, Juan Antonio & Häfliger, Philipp (2014). A dual-operation-mode bio-inspired pixel. IEEE Transactions on Circuits and Systems - II - Express Briefs.  ISSN 1549-7747.  61(11), s 855- 859 . doi: 10.1109/TCSII.2014.2350352
  • Nguyen, Thanh Trung; Fernandes, Andre Lourenco & Häfliger, Philipp (2014). An energy-efficient implantable transponder for biomedical piezo-resistance pressure sensors. IEEE Sensors Journal.  ISSN 1530-437X.  14(6), s 1836- 1843 . doi: 10.1109/JSEN.2014.2304566
  • Nguyen, Thanh Trung & Häfliger, Philipp (2014). A 9.4-bit, 28.8-mV Range Inverter Based Readout Circuit for Implantable Pressure Bridge Piezo-resistive Sensor , In  International Symposium on Circuits and Systems (ISCAS), 2014 IEEE.  IEEE conference proceedings.  ISBN 978-1-4799-3431-7.  Circuits for Bio-sensing.  s 2377 - 2380
  • Nguyen, Thanh Trung; Häfliger, Philipp; Tao, Feng & Chakrabartty, Shantanu (2014). Hybrid CMOS Rectifier based on Synergistic RF-Piezoelectric Energy Scavenging. IEEE Transactions on Circuits and Systems Part 1: Regular Papers.  ISSN 1549-8328.  61(12), s 3330- 3338 . doi: 10.1109/TCSI.2014.2334972
  • Zaher, Ali; Häfliger, Philipp; Carrara, Sandro; Puppo, Francesca & De Micheli, Giovanni (2014). Novel Readout Circuit for Memristive Biosensors in Cancer Detection, In  Biomedical Circuits and Systems Conference (BioCAS), 2014 IEEE.  IEEE conference proceedings.  ISBN 978-1-4799-2346-5.  134.  s 448 - 451
  • Bryn, Dag Halfdan; Häfliger, Philipp & Leñero-Bardallo, Juan Antonio (2013). Bio-Inspired Asynchronous Pixel Event Tricolor Vision Sensor. IEEE Transactions on Biomedical Circuits and Systems.  ISSN 1932-4545. . doi: 10.1109/TBCAS.2013.2271382
  • Fernandes, Andre Lourenco; Häfliger, Philipp; Azadmehr, Mehdi & Johannessen, Erik (2013). Design and characterization of an osmotic sensor for the detection of events associated with dehydration and overhydration . IEEE Journal of Translational Engineering in Health and Medicine.  ISSN 2168-2372.  1 . doi: 10.1109/JTEHM.2013.2279105
  • Häfliger, Philipp & Leñero-Bardallo, Juan Antonio (2013). A dual operation mode bio-inspired vision sensor, In Wouter A. Serdijn (ed.),  Proceedings of the IEEE conference on Biomedical Circuits and Systems.  IEEE conference proceedings.  ISBN 9781479914708.  paper.
  • Leñero-Bardallo, Juan Antonio; Bryn, Dag Halfdan & Häfliger, Philipp (2013). Flame monitoring with an AER color vision sensor, In Chang Wen Chen; Wen Gao & Joos Vandewalle (ed.),  2013 IEEE International Symposium on Circuits and Systems (ISCAS).  IEEE conference proceedings.  ISBN 978-1-4673-5760-9.  paper.  s 2404 - 2407
  • Nguyen, Thanh Trung & Häfliger, Philipp (2013). An energy efficient inverter based readout circuit for capacitive sensor, In Firat Yazicioglu (ed.),  Biomedical Circuits and Systems Conference (BioCAS), 2013 IEEE.  IEEE conference proceedings.  ISBN 978-1-4799-1469-2.  chapter.  s 326 - 329
  • Nguyen, Thanh Trung & Häfliger, Philipp (2013). An energy-efficient implant transponder for continuous glucose monitoring, In  Advanced Technologies for Communications (ATC), 2013 International Conference on.  IEEE conference proceedings.  ISBN 978-1-4799-1086-1.  chapter.  s 345 - 350
  • Zaher, Ali & Häfliger, Philipp (2013). Single poly non-volatile memory cells for miniaturized sensors in 90nm CMOS technology, In Ivan Ring Nielsen (ed.),  Proceedings of NORCHIP.  IEEE conference proceedings.  ISBN 978-1-4799-1647-4.  paper.
  • Leñero-Bardallo, Juan Antonio; Bryn, Dag Halfdan & Häfliger, Philipp (2012). Live Demonstration: A Bio-inspired Asynchronous Pixel Event Tri-color Vision Sensor. IEEE International Symposium on Circuits and Systems proceedings.  ISSN 0271-4302.  s 726- 726
  • Leñero-Bardallo, Juan Antonio; Bryn, Dag Halfdan & Häfliger, Philipp (2012). Live demonstration: A bio-inspired asynchronous pixel event tri-color vision sensor , In  IEEE International Symposium on Circuits and Systems.  IEEE Press.  ISBN 978-1-4673-0219-7.  arikkel.  s 726 - 726
  • Nguyen, Thanh Trung & Häfliger, Philipp (2012). Inverter Based Readout Circuit for Implanted Glucose Sensor , In Huang-Te Li; Hsiang-Cheh Huang & Kea-Tiong Tang (ed.),  Biomedical Circuits and Systems Conference (BioCAS), 2012 IEEE.  IEEE conference proceedings.  ISBN 978-1-4673-2293-5.  KAPITTEL.  s 252 - 255
  • Trung, NT & Häfliger, Philipp (2012). Inverter Based Readout Circuit for Implanted Glucose Sensor. IEEE Transactions on Biomedical Circuits and Systems.  ISSN 1932-4545.  s 252- 255
  • Drazen, David Adam; Lichtsteiner, Patrick; Häfliger, Philipp; Delbrück, Tobi & Jensen, Atle (2011). Toward real-time particle tracking using an event-based dynamic vision sensor. Experiments in Fluids.  ISSN 0723-4864.  51(5), s 1465- 1469 . doi: 10.1007/s00348-011-1207-y
  • Indiveri, Giacomo; Linares-Barranco, Bernabé; Hamilton, Tara Julia; van Schaik, André; Etienne-Cummings, Ralph; Delbrück, Tobi; Liu, Shi-Chii; Dudek, Piotr; Häfliger, Philipp; Renaud, Sylvie; Schemmel, Johannes; Cauwenberghs, Gert; Arthur, John; Hynna, Kai; Folowosele, Fopefolu; Saighi, Sylvain; Serrano-Gotarredona, Teresa; Wijekoon, Jayawan; Wang, Yingxue & Boahen, Kwabena (2011). Neuromorphic silicon neuron circuits. Frontiers in Neuroscience.  ISSN 1662-4548.  5 . doi: 10.3389/fnins.2011.00073
  • Nguyen, Thanh Trung & Häfliger, Philipp (2011). 250Mb/s to 3Gb/s Unilateral Continuous Rate CDR Using Precise Frequency Detector and 1/5-Rate Linear Phase Detector. IEEE International Symposium on Circuits and Systems proceedings.  ISSN 0271-4302.  s 181- 184
  • Nguyen, Thanh Trung & Häfliger, Philipp (2011). 250Mb/s to 3Gb/s unilateral continuous rate CDR using precise frequency detector and 1/5-rate linear phase detector , In Marcelo Lubaszewski; ISCAS IEEE (ed.),  Proc. 2011 IEEE International Symposium on Circuits and Systems.  IEEE conference proceedings.  ISBN 978-1-4244-9472-9.  10.1109/ISCAS.2011.5937531.  s 181 - 184
  • Nguyen, Thanh Trung & Häfliger, Philipp (2011). Time domain ADC for blood glucose implant. Electronics Letters.  ISSN 0013-5194.  47(26), s S18- S20 . doi: 10.1049/el.2011.2685
  • Häfliger, Philipp (2010). Live demonstration: inductive power and telemetry for micro-implant , In Amara Amara (ed.),  Proceedings of the IEEE international symposium on circuits and systems 2010.  IEEE conference proceedings.  ISBN 978-1-4244-5309-2.  live demonstration description.  s 2775 - 2775
  • Häfliger, Philipp (2010). Live demonstration: inductive power and telemetry for micro-implant. IEEE International Symposium on Circuits and Systems proceedings.  ISSN 0271-4302.  s 2775- 2775
  • Johannessen, Erik; Krushinitskaya, Olga; Sokolov, Andrey; Häfliger, Philipp; Hoogerwerf, Arno; Hinderling, Christian; Kautio, Kari; Lenkkeri, Jaakko; Strömmer, Esko; Kondratyev, Vasily; Tønnessen, Tor Inge; Mollnes, Tom Eirik; Jakobsen, Henrik; Zimmer, Even & Akselsen, Bengt (2010). Toward an injectable continuous osmotic glucose sensor . Journal of Diabetes Science and Technology.  ISSN 1932-2968.  4(4), s 882- 892
  • Krushinitskaya, Olga; Häfliger, Philipp; Vinsand, Tormod; Tønnessen, Tor Inge; Jakobsen, Henrik & Johannessen, Erik A. (2009). Novel Osmotic Sensor for a Continuous Implantable Blood-Sugar Reader , In . NN (ed.),  6th International Workshop on Wearable Micro and Nano Technologies for Personalized Health (pHealth).  IEEE conference proceedings.  ISBN 978-1-4244-5252-1.  Paper.  s 25 - 28
  • Olsson, Jenny Anna Maria & Häfliger, Philipp (2009). Live demonstration of an asynchronous integrate-and-fire pixel-event vision sensor , In  Proceedings of the 2009 IEEE International Symposium on Circuits and Systems.  IEEE conference proceedings.  ISBN 978-1-4244-3828-0.  article.  s 774
  • Serrano-Gotarredona, R; Oster, M; Lichtsteiner, P; Linares-Barranco, A; Paz-Vicente, R; Gomez-Rodriguez, F; Camunas-Mesa, L; Berner, R; Rivas-Perez, M; Delbruck, T; Liu, SC; Douglas, R; Häfliger, Philipp; Jimenez-Moreno, G; Ballcels, AC; Serrano-Gotarredona, T; Acosta-Jimenez, AJ & Linares-Barranco, B (2009). 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.  ISSN 1045-9227.  20(9), s 1417- 1438 . doi: 10.1109/TNN.2009.2023653
  • Berge, Hans K. Otnes & Häfliger, Philipp (2008). A Gate Leakage Feedback Element in an Adaptive Amplifier Application. IEEE transactions on circuits and systems - 2, Analog and digital signal processing.  ISSN 1057-7130.  55, s 101- 105 . doi: 10.1109/TCSII.2007.910761
  • Häfliger, Philipp & Johannessen, Erik (2008). Analog to Interval Encoder with Active Use of Gate Leakage for an Implanted Blood-Sugar Sensor , In Andreas Andreou (ed.),  Proceedings of the IEEE Biomedical Circuits and Systems Conference.  IEEE conference proceedings.  ISBN 1-4244-1525-X.  artikkel.
  • Olsson, Jenny Anna Maria & Häfliger, Philipp (2008). Mismatch reduction with relative reset in integrate-and-fire photo-pixel array , In Andreas Andreou (ed.),  Proceedings of the IEEE Biomedical Circuits and Systems Conference.  IEEE conference proceedings.  ISBN 1-4244-1525-X.  artikkel.
  • Olsson, Jenny Anna Maria & Häfliger, Philipp (2008). Two Color Asynchronous Event Photo Pixel , In David Allstot & Mani Soma (ed.),  Proceeding of the IEEE International Symposium on Circuits and Systems.  IEEE conference proceedings.  ISBN 978-1-4244-1683-7.  Article.  s 2146 - 2149
  • Berge, Hans K. Otnes & Häfliger, Philipp (2007). High-Speed Serial AER on FPGA , In Nam Ling & Gianluca Setti (ed.),  Circuits and Systems, 2007. ISCAS 2007. IEEE International Symposium on.  IEEE conference proceedings.  ISBN 1-4244-0921-7.  A4L-G.5 in SPECIAL SESSION: Spike Processing Based Hardware Vision Systems.  s 857 - 860
  • Häfliger, Philipp (2007). Adaptive WTA with an analog VLSI neuromorphic learning chip. IEEE Transactions on Neural Networks.  ISSN 1045-9227.  18(2), s 551- 572 . doi: 10.1109/TNN.2006.884676
  • Häfliger, Philipp & Berge, Hans K. Otnes (2007). Exploiting Gate Leakage in Deep Submicrometer CMOS for Input Offset Adaptation . IEEE transactions on circuits and systems - 2, Analog and digital signal processing.  ISSN 1057-7130.  54(2), s 127- 130
  • Serrano-Gotarredona, R.; Oster, Matthias; Häfliger, Philipp & Riis, Håvard Kolle (2006). AER Building Blocks for Multi-Layer Multi-Chip Neuromorphic Vision Systems, In Yair Weiss; Bernhard Schölkopf & John Platt (ed.),  Advances in Neural Information Processing Systems.  MIT Press.  ISBN 0-262-19534-8.  artikkel.
  • Azadmehr, Mehdi & Häfliger, Philipp (2005). A foveated AER imager chip, In Nobuo Fujii (ed.),  Proceedings of the IEEE international symposium on circuits and systems 2005.  IEEE conference proceedings.  ISBN 0-7803-8834-8.  article.  s 2751 - 2754
  • Riis, Håvard Kolle & Häfliger, Philipp (2005). An asynchronous 4-to-4 AER mapper . Lecture Notes in Computer Science.  ISSN 0302-9743.  3512, s 494- 501
  • Häfliger, Philipp (2004). On using the time domain for analog signal representation in electronic circuits. Neuromorphic Engineer Newsletter.  1(1)
  • Häfliger, Philipp Dominik & Jørgensen Aasebø, Elin (2004). A rank encoder: Adaptive analog to digital conversion exploiting time domain spike signal processing. Analog Integrated Circuits and Signal Processing.  ISSN 0925-1030.  40(1), s 39- 51

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  • Buccino, Alessio Paolo; Ness, Torbjørn Vefferstad; Einevoll, Gaute; Cauwenberghs, Gert & Häfliger, Philipp (2017). Localizing Neuronal Somata from Multi-Electrode Array In-Vivo Recordings using Deep Learning.
  • Buccino, Alessio Paolo; Stöber, Tristan Manfred; Næss, Solveig; Cauwenberghs, Gert & Häfliger, Philipp (2016). Extracellular single neuron stimulation with high-density multi-electrode array .
  • Di Bernardo, Mario; Barros Da Silva, Eduardo Antonio; Häfliger, Philipp & Setti, Gianluca (2016). Guest Editorial Special Section on the 2015 IEEE International Symposium on Circuits and Systems (ISCAS 2015). IEEE Transactions on Circuits and Systems Part 1: Regular Papers.  ISSN 1549-8328.  63(5), s 565- 566 . doi: 10.1109/TCSI.2016.2557578
  • Farian, Lukasz; Leñero-Bardallo, Juan Antonio & Häfliger, Philipp (2014). Live Demonstration: A Bio-Inspired AER Temporal Tri-Color Differentiator.
  • Fernandes, Andre Lourenco; Johannessen, Erik; Azadmehr, Mehdi & Häfliger, Philipp (2014). Low power integrated electronics system for the operation of a miniaturized hydration sensor .
  • Zaher, Ali; Häfliger, Philipp; Puppo, Francesca; De Micheli, Giovanni & Carrara, Sandro (2014). Novel Readout Circuit for Memristive Cancer Detection Sensors.
  • Jung, Tzyy-Ping & Häfliger, Philipp (2013). Guest Editorial—Special Issue on Selected Papers From BioCAS 2012. IEEE Transactions on Biomedical Circuits and Systems.  ISSN 1932-4545.  7(4), s 561- 562 . doi: 10.1109/TBCAS.2013.2283649
  • Jung, Tzyy-Ping & Häfliger, Philipp (2013). Special Issue on Selected Papers From BioCAS 2012. IEEE Transactions on Biomedical Circuits and Systems.  ISSN 1932-4545.  7(5), s 561- 562 . doi: 10.1109/TBCAS.2013.2283649
  • Langmyhr, Dag & Häfliger, Philipp (2013). Computer architecture -- compendium for INF2270.
  • Zaher, Ali & Häfliger, Philipp (2013). Single poly non-volatile memory cells for miniaturized sensors in 90nm CMOS technology.
  • Chang, Joseph; Wong, Stephen; Newcomb, Robert & Häfliger, Philipp (2012). The Third Revolution in Medicine-the Convergence of Life Sciences with Physical Sciences, Mathematics, and ENGINEERING. IEEE Transactions on Circuits and Systems.  ISSN 0098-4094.  12(3), s 4- 7 . doi: 10.1109/MCAS.2012.2206989
  • Constandinou, T & Häfliger, Philipp (2012). Guest Editorial-Special Issue on Selected Papers From BioCAS 2011. IEEE Transactions on Biomedical Circuits and Systems.  ISSN 1932-4545.  6(5), s 401- 402 . doi: 10.1109/TBCAS.2012.2226072
  • Fernandes, Andre Lourenco; Häfliger, Philipp; Azadmehr, Mehdi & Johannessen, Erik (2012). Design and characterization of an osmotic sensor for the detection of events associated with dehydration and overhydration .
  • Häfliger, Philipp (2011). Interview with Philipp Hafliger. Electronics Letters.  ISSN 0013-5194.  47(26), s S17- S17 . doi: 10.1049/el.2011.2686
  • Häfliger, Philipp & Constandinou, T (2010). Guest Editorial-Special Issue on Selected Papers From ISCAS 2009. IEEE Transactions on Biomedical Circuits and Systems.  ISSN 1932-4545.  4(3), s 137- 138 . doi: 10.1109/TBCAS.2010.2050363
  • Azadmehr, Mehdi & Häfliger, Philipp (2005). A Foveated AER Imager Chip.
  • Serrano-Gotarredona, R; Oster, Matthias; Häfliger, Philipp & Riis, Håvard Kolle (2005). AER Building Blocks for Multi-Layer Multi-Chip Neuromorphic Vision Systems.
  • Abrahamsen, Jens Petter; Häfliger, Philipp & Lande, Tor Sverre (2004). A Time Domain Winner-Take-All network of Integrate-and-Fire Neurons.
  • Riis, Håvard Kolle & Häfliger, Philipp (2004). Spike Based Learning with Weak Multi-Level Static Memory.
  • Häfliger, Philipp & Riis, Håvard Kolle (2003). A Multi-Level Static Memory Cell.
  • Häfliger, Philipp & Bergh, Frode (2002). An integrated circuit computing shift in stereo pictures using time domain spike signals.
  • Häfliger, Philipp (2001). Asynchronous event redirecting in bio-inspired communication.

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Published Nov. 4, 2010 1:59 PM - Last modified June 7, 2016 10:06 AM