Publications

 

 

 

International Magazines

  1. Rafael Serrano-Gotarredona, Luis Camuñas-Mesa, Teresa Serrano-Gotarredona, Juan A. Leñero-Bardallo and Bernabé Linares-Barranco, "The Stochastic I-Pot: A Circuit Block for Programming Bias Currents", IEEE Trans. On Circuits and Systems, part II, vol. 54, No. 9, pp. 760-764, ISSN: 1549-7747, September 2007.DOI: 10.1109/TCSII.2007.900881, JCR Impact Factor (Web of Science) 2007: 1.104, Q2, Position: 76/227 (Electrical and Electronic Engineering).

  2. Juan A. Leñero-Bardallo, Teresa Serrano-Gotarredona and Bernabé Linares-Barranco, "A Calibration Technique for Very Low Current and Compact Tunable Neuromorphic Cells: Application to 5-bit 20-nA DACs", IEEE Transactions of Circuits and Systems-II: Brief Papers, vol. 55, No.6, pp. 522-526, ISSN:1549-7747, June 2008. DOI: 10.1109/TCSII.2007.916864, JCR Impact Factor (Web of Science) 2008: 1.436, Q2, Position: 78/229 (Electrical and Electronic Engineering).

  3. Juan A. Leñero-Bardallo, Teresa Serrano-Gotarredona and Bernabé Linares-Barranco, "A Five-Decade Dynamic-Range Ambient-Light-Independent Calibrated Signed-Spatial-Contrast AER Retina with 0.1ms Latency and Optional Time-to-First-Spike Mode". IEEE Transactions of Circuits and Systems-I, vol. 57, No.10, pp. 2632-2643, ISSN:1549-8328, October 2010, DOI:10.1109/TCSI.2010.2046971 . JCR Impact Factor 2010: 1.58, Q1, Position: 64/257 (Electrical and Electronic Engineering).

  4. Juan A. Leñero-Bardallo, Teresa Serrano-Gotarredona and Bernabé Linares-Barranco, "A 3.6μs Latency Asynchronous Frame-Free Event-Driven Dynamic-Vision-Sensor", IEEE Journal of Solid-State Circuits, vol. 46, No. 6, pp. 1443-1455, June 2011, ISSN: 0018-9200. DOI: 10.1109/JSSC.2011.2118490. JCR Impact Factor 2011: 3.226, Q1, Position: 15/245 (Electrical and Electronic Engineering).

  5. Juan A. Leñero-Bardallo, D. H. Bryn, and Philipp Häfliger, "Bio-inspired Asynchronous Pixel Event Tri-color Vision Sensor", IEEE Transactions on Biomedical Circuits and Systems, vol. 8, No. 3, pp. 345-357, ISSN: 1932-4545, June 2014. DOI: 10.1109/TBCAS.2013.2271382 . JCR Impact Factor 2014: 2.482, Q1, Position: 34/249 (Electrical and Electronic Engineering).

  6. Juan A. Leñero-Bardallo and Philipp Häfliger, "A dual operation mode bio-inspired pixel", IEEE Transactions of Circuits and Systems-II, vol. 61, No. 11, pp. 855 - 859, ISSN: 1549-7747, August 2014. DOI: 10.1109/TCSII.2014.2350352, JCR Impact Factor 2014: 1.234, Q3, Position: 126/249 (Electrical and Electronic Engineering).

  7. Juan A. Leñero-Bardallo, Philipp Häfliger, Ricardo Carmona-Galán, and Ángel Rodríguez-Vázquez, "A bio-inspired vision sensor with dual operation and readout modes", IEEE Sensors Journal, 2015, vol. 16, No. 2, pp. 317-330, DOI: 10.1109/JSEN.2015.2483898, ISSN: 1530-437X, JCR Impact Factor 2015: 1.889, Q2, Position WOS: 16/56 (Instruments & Instrumentation), Q2 77/257 (Electrical and Electronic Engineering).

  8. Lukasz Farian, Juan A. Leñero-Bardallo, and Philipp Häfliger, "A Bio-Inspired AER Temporal Tri-Color Differentiator Pixel Array", IEEE Transactions on Biomedical Circuits and Systems, Vol. 9, Issue: 5, pp. 686-698, ISSN: 1932-4545, TBIOCAS Special Issue, October 2015. DOI: 10.1109/TBCAS.2015.2492460, JCR Impact Factor 2015: 2.018, Q2, Position: 69/257 (Electrical and Electronic Engineering).

  9. Juan A. Leñero-Bardallo, Manuel Delgado-Restituto, Ricardo Carmona-Galán, and Ángel Rodríguez-Vázquez, "Enhanced sensitivity of CMOS image sensors by stacked diodes", IEEE Sensors Journal, December 2016, vol. 16, No. 16. 8448 - 8455, DOI: 10.1109/JSEN.2016.2611759, ISSN: 1530-437X, JCR Impact Factor 2016: 2.512, Q1, Position WOS: 12/58 (Instruments & Instrumentation), Q2 85/212 (Electrical and Electronic Engineering).

  10. Juan A. Leñero-Bardallo, Ricardo Carmona-Galán, and Ángel Rodríguez-Vázquez, "A wide linear dynamic range image sensor based on asynchronous self‐reset and tagging of saturation events", IEEE Journal of Solid-State Circuits, vol. 52, Issue 6, pp. 1605-1617, April 2017, ISSN: 0018-9200. DOI: 10.1109/JSSC.2017.2679058. JCR Impact Factor 2017: 4.075, Q1, Position: 34/260 (Electrical and Electronic Engineering).

  11. Juan A. Leñero-Bardallo, Lukasz Farian, José Mª Guerrero-Rodríguez, Ricardo Carmona-Galán, and Ángel Rodríguez-Vázquez, "Sun sensor based on a luminance spiking pixel array", IEEE Sensors Journal, September 2017, vol. 17, No. 20. , pp: 6578 - 6588, ISSN: 1530-437X, DOI: 10.1109/JSEN.2017.2749414, JCR Impact Factor 2017: 2.617, Q1, Position WOS: 14/61 (Instruments & Instrumentation), Q2 88/260 (Electrical and Electronic Engineering).

  12. Lukasz Farian, Philipp Häfliger, Juan A. Leñero-Bardallo, "A Miniaturized Two-Axis Ultra Low Latency and Low-power Sun Sensor for Attitude Determination of Micro Space Probes", IEEE Transactions on Circuits and Systems I: Regular Papers, November 2017, vol. 65. No 5, pp. 1543 - 1554, ISSN:1549-7747, DOI:  10.1109/TCSI.2017.2763990, JCR Impact Factor 2017: 2.823, Q2, Position WOS: 74/260 (Electrical and Electronic Engineering).

  13. Juan A. Leñero-Bardallo and Francisco García-Pacheco, "Fast luminance measurement method for asynchronous spiking pixels", IEEE Electronics Letters, March 2018, vol. 54. No 8, pp. 492-494, ISSN: 0013-5194, JCR Impact Factor 2018: 1.343, DOI:   10.1049/el.2017.3834, Q3, Position WOS: 191/266 (Electrical and Electronic Engineering).

  14. Á. Rodríguez-Vázquez, J. Fernández-Berni, Juan A. Leñero-Bardallo, I. Vornicu and R. Carmona-Galán, “CMOS Vision Sensors: Embedding Computer Vision at Imaging Front-Ends”, IEEE Circuits and Systems Magazine, June 2018, vol. 18, no. 2, pp. 90-117, 2018. DOI:  10.1109/MCAS.2018.2821772, ISSN: 1531-636X. JCR Impact Factor 2018: 4.481, Q1, Position WOS 42/266 (Electrical and Electronic Engineering).

  15. Juan A. Leñero-Bardallo, José Mª Guerrero-Rodríguez, Ricardo Carmona-Galán, and Ángel Rodríguez-Vázquez, "On the analysis and detection of flames with an asynchronous spiking image sensor", IEEE Sensors Journal, June 2018, vol. 18, No. 16., pp: 6588-6595, ISSN: 1530-437X, DOI: 10.1109/JSEN.2018.2851063, JCR Impact Factor 2018: 3.076, Q1, Position WOS: 13/61 (Instruments & Instrumentation), Q2 87/266 (Electrical and Electronic Engineering).

  16. Juan A. Leñero-Bardallo, Ricardo Carmona-Galán, and Ángel Rodríguez-Vázquez, "Applications of Event-based Image Sensors —Review and Analysis", International Journal of Circuit Theory and Applications, August 2018, vol. 46, No. 9, pp: 1577-1579, ISSN: 0098-9886, DOI: 10.1002/cta.2546, JCR Impact Factor 2018: 1.554, Q3 172/266 (Electrical and Electronic Engineering).

  17. Juan A. Leñero-Bardallo, Manuel Delgado-Restituto, Ricardo Carmona-Galán, and Ángel Rodríguez-Vázquez, "Asynchronous spiking pixel with programmable sensitivity to illumination", IEEE Transactions on Circuits and Systems I: Regular Papers, Special Issue on ISICAS 2018, July 2018, vol. 65. No 11, pp. 3854-3863, ISSN: 1549-7747, DOI:  10.1109/TCSI.2018.2857220, JCR Impact Factor 2018: 2.934, Q1, Position WOS: 57/266 (Electrical and Electronic Engineering).

  18. Rubén Gómez-Merchán, David Palomeque-Mangut, Juan A. Leñero-Bardallo, Manuel Delgado-Restituto, and Ángel Rodríguez-Vázquez, "A comparative study of stacked-diode configurations operating in the photovoltaic region", IEEE Sensors Journal, August 2020, vol. 20, No. 16., pp: 9105-9113, ISSN: 1530-437X, DOI: 10.1109/JSEN.2020.2987393, JCR Impact Factor 2020: 3.301, Position WOS: Q2 20/64 (Instruments & Instrumentation), Q2 96/273 (Electrical and Electronic Engineering).

  19. Juan A. Leñero-Bardallo, Carmen Serrano-Gotarredona, Begoña Acha-Piñero, José A. Pérez-Carrasco, José Bernabéu-Wittel, "Thermography for the differential diagnosis of vascular malformations", Clinical and Experimental Dermatology, vol. 46, No. 2., pp: 314-318, ISSN: 1365-2230, DOI:10.1111/ced.14346, June 2020, JCR Impact Factor 2020: 3.47, Position WOS: Q2 25/68 (Dermatology, GA).

  20. Juan A. Leñero-Bardallo, Rafael de la Rosa-Vidal, Rubén Padial-Allué, Joaquín Ceballos-Cáceres, Ángel Rodríguez-Vázquez, and José Bernabéu-Wittel, "A customizable Thermographic Imaging System for Medical Image Acquisition and Processing", IEEE Sensors Journal, vol. 22, No. 17, pp: 16730 - 16741, May 2021, ISSN: 1530-437X, DOI: 10.1109/JSEN.2021.3080035, JCR Impact Factor 2020: 3.301, Position WOS: Q2 20/64 (Instruments & Instrumentation), Q2 96/273 (Electrical and Electronic Engineering).

  21. Juan Ortiz-Álvarez, Juan A. Leñero-Bardallo, María Teresa Monserrat-García and José Bernabéu-Wittel, "La termografía como herramienta diagnóstica para diferenciar anomalías vasculares de alto y bajo flujo", Piel. Formación continuada en dermatología. https://doi.org/10.1016/j.piel.2021.06.006, vol. 37, No. 6, pp: 372-377, June 2022. ISSN: 0213-9251. SRJ 2020 Impact Factor 2020: 0.11. Q4 (Dermatology).

  22. José-María Guerrero-Rodríguez, Clemente Cobos Sánchez, Ángel Quirós-Olozábal, and Juan A. Leñero Bardallo, "Emulation of Circuits Under Test Using Low-cost Embedded Platforms", Electronics, vol. 10, No. 16, pp: 1-20, ISSN: 2079-9292, August 2021. DOI: https://doi.org/10.3390/electronics10161990 JCR Impact Factor 2020: 2.397, Position WOS: Q3 93/162 (Computer Science, Information Systems), Q3 145/273 (Electrical and Electronic Engineering).

  23. Rafael de la Rosa-Vidal, Juan A. Leñero Bardallo, José-María Guerrero-Rodríguez, and Ángel Rodríguez-Vázquez, "A mobile platform for movement tracking based on a fast-execution-time optical-flow algorithm", IEEE Transactions on Circuits and Systems I: Regular Papers, April 2022, vol. 69. No 4, pp. 1715-1727, ISSN: 1549-8328, DOI: 10.1109/TCSI.2021.3136656, JCR Impact Factor 2022: 3.605, Position WOS: Q2 80/273 (Electrical and Electronic Engineering).

  24. Juan Antonio Leñero-Bardallo, Begoña Acha, Carmen Serrano, José Antonio Pérez-Carrasco, Juan Ortiz-Álvarez; José Bernabeu-Wittel, "Thermography as a method for bedside monitoring of infantile hemangiomas", Cancers, ISSN: 2072-6694, vol. 14. No 21,  5392, October 2022. DOI: 10.3390/cancers14215392. JCR Impact Factor 2021: 6.575, Position JCR: Q1 76/318 (Oncology).

  25. Jorge J. Saenz Noval, Ruben Gomez-Merchan, Juan A. Leñero-Bardallo, Lionel C. Gontard, "TEMAS: A Flexible non-AI Algorithm for Metrology of Single-core and Core-shell Nanoparticles from TEM images", Particle and Particle Systems Characterization,  ISSN: 1521-4117, vol. 40, issue: 2, February 2023. JCR Impact Factor 2021: 3.467. DOI: https://doi.org/10.1002/ppsc.202200170 Position JCR: Q3 (189/345) Materials Science, Multidisciplinary. Q3 (94/165) Chemistry, Physical.

  26. R. Gomez-Merchan, J. A. Leñero-Bardallo, Á. Rodríguez-Vázquez, "A self-powered asynchronous image sensor with TFS operation". IEEE Sensors Journal. vol. 23, No. 7, pp: 6779 - 6790, April 2023, ISSN: 1530-437X. DOI: 10.1109/JSEN.2023.3248177.

  27. R. Gomez-Merchan, J. A. Leñero-Bardallo, M. López-Carmona, Á. Rodríguez-Vázquez, "A Low-Latency, Low-Power CMOS Sun Sensor for Attitude Calculation using Photo-Voltaic Regime and On-chip Centroid Computation". IEEE Transactions on Instrumentation and Measurement. vol. 72, No. 22, pp: 1 - 12, April 2023, ISSN: 0018-9456. DOI: 10.1109/TIM.2023.3268478.

  28. Jorge J. Sáenz-Noval, Juan Antonio Leñero-Bardallo, Ricardo Carmona-Galán, and Lionel C. Gontard. "A Rad-hard On-chip CMOS Charge Detector with High Dynamic Range". IEEE Sensors Journal. vol. xx, No. x, pp: 1 - 9, September 2023, ISSN: 1530-437X. DOI: 10.1109/JSEN.2023.3315357.

Books and Book Chapters

  1. Book: Juan A. Leñero-Bardallo and Sergio Cruces-Álvarez, "Técnicas ICA de Procesamiento de Datos para Señales de Audio", ISBN: 978-3-639-55634-6, Publicia. Ordering Information

  2. Book Chapter: Juan A. Leñero-Bardallo and Ángel Rodríguez-Vázquez, "ADCs for Image Sensors: Review and Performance Analysis" in "Analog Electronics for Radiation Detection" ISBN: 9781498703567, CRC Press. Ordering Information.

  3. Book Chapter: Ángel Rodríguez-Vázquez and Juan A. Leñero-Bardallo, "Power-efficient Analog-to-information Image Sensors: The Fuel of AI Microsystems" in "AI Knowledge Transfer from the University to Society. Applications in High-Impact Sectors", ISBN: 9781003276609, pp. 84-88, CRC Press. 2022, DOI: https://doi.org/10.1201/9781003276609. Ordering information.

Intellectual Property

  1. Juan A. Leñero-Bardallo. Spanish patent ES 2675048 A1, "Sensor solar y método para detectar la posición del sol respecto al eje transversal del mismo". Filed in July 2018. Royalty rate: 100%.

  2. Juan A. Leñero-Bardallo, Spanish patent P202030673, “Detector para medir la energía de electrones en microscopios electrónicos de barrido”, 01/07/2020. Filed: 24/10/2022. Royalty rate: 28%.

  3. Juan A. Leñero-Bardallo, Spanish patent P202130188, “Sensor solar asíncrono de bajo consumo”, 04/03/2021. Royalty rate: 30%. International PCT extension identifier: PCT1650.138.

  4. Juan A. Leñero-Bardallo. Spanish patent  202230929. "Pixel para sensores de visión DVS con uno o más fotodiodos operando en régimen fotovoltaico", 2022.

Conference Papers

  1. Rafael Serrano-Gotarredona, Luis Camuñas-Mesa, Teresa Serrano-Gotarredona, Juan A. Leñero-Bardallo, and Bernabe Linares-Barranco, "The Stochastic I-Pot: A circuit Block for Programming Bias Currents", XXII Conference in Design of Circuits and Integrated Systems, DCIS'07, pp. 430-435, ISBN: 978-84690-8629-2, 21-23 November, 2007. PDF

  2. Juan A. Leñero-Bardallo, Teresa Serrano-Gotarredona and Bernabé Linares-Barranco, "A Compact Calibration Circuit for Large Neuromorphic Arrays", IEEE International Symposium on Circuits and Systems, ISCAS 2008, 18-21 May, Seattle 2008, pp. 1776-1779, ISBN: 978-1-4244-1684-4.DOI:  10.1109/ISCAS.2008.4541783

  3. Juan A. Leñero-Bardallo, Teresa Serrano-Gotarredona and Bernabé Linares-Barranco, "A Mismatch Calibrated Bipolar Spatial Contrast AER Retina with Adjustable Contrast Threshold", IEEE International Symposium on Circuits and Systems, ISCAS 2009, Taipei (Taiwan), 24-27 May, 2009, pp. 1493 - 1496, ISBN: 978-1-4244-3827-3. DOI:  10.1109/ISCAS.2009.5118050

  4. Juan A. Leñero-Bardallo, Teresa Serrano-Gotarredona and Bernabé Linares-Barranco, "A Spatial Calibrated AER Contrast Retina with Adjustable Contrast Threshold", XXIV Conference in Desing of Circuits and Integrated Systems, DCIS 2009, 18-20 November, pp. 1-6, Zaragoza. PDF

  5. Juan A. Leñero-Bardallo, Teresa Serrano-Gotarredona and Bernabé Linares-Barranco, "A Signed Spatial Contrast Event Spike Retina Chip ", (Invited Paper to the Special Session: Activity-driven, Event-based Vision Sensors). IEEE International Symposium on Circuits and Systems, ISCAS 2010, 30 May- 2 June, Paris, France. ISBN: 978-1-4244-5308-5, pp. 2438-2442. DOI: 10.1109/ISCAS.2010.5537152,ieeexplore

  6. Juan A. Leñero-Bardallo, Teresa Serrano-Gotarredona and Bernabé Linares-Barranco, "A 100dB Dynamic Range Event-Driven Spatial Contrast Sensor with 100μs Response Time and Timeto-First-Spike Mode", European Solid State Circuits Conference, ESSCIRC 2010, ISSN: 1930-8833, pp. 134 - 137, Seville, 14-16 September 2010.DOI:  10.1109/ESSCIRC.2010.5619824

  7. Teresa Serrano-Gotarredona, Juan A. Leñero-Bardallo and Bernabé Linares-Barranco, "A Bioinspired 128x128 Pixel Dynamic-Vision-Sensor", DCIS 2011 (Conference on Design of Circuirs and Integrated Systems), Albufeira, Portugal, November, 2011 PDF.

  8. Juan A. Leñero-Bardallo, D. H. Bryn, and Philipp Häfliger, "Bio-inspired Asynchronous Pixel Event Tri-color Vision Sensor", BioCAS 2011 (IEEE Biomedical Circuits and Systems Conference), ISSN: 978-1-4244-6662-7, pp: 253-256, San Diego, USA, 10-12 November 2011. DOI:  10.1109/BioCAS.2011.6107775

  9. Juan A. Leñero-Bardallo, "Advantages of bio-inspired frameless vision sensors over frame-based vision systems", 3rd Annual NanoNetwork Workshop, pp. 24-24, Trondheim, Norway, 11-12 June 2012. PDF (abstract).

  10. Juan A. Leñero-Bardallo, Wei Tang, Dongsoo Kim, Joon Hyuk Park, and Eugenio Culurciello, "A Tri-mode Event-based Vision Sensor with an Embedded Wireless Transmitter", IEEE International Conference on Electronics, Circuits, and Systems (ICECS), 9-12 December, Seville, Spain, 2012. pp: 205 - 208, ISBN: 978-1-4673-1261-5, DOI:  10.1109/ICECS.2012.6463765

  11. Juan A. Leñero-Bardallo, D. H. Bryn, and Philipp Häfliger, "Flame Monitoring with an AER Color Vision Sensor", IEEE International Symposium on Circuits and Systems, ISCAS 2013, Beijing, China. pp: 2404 - 2407, 19-23 May 2013, ISSN : 1549-7747. 10.1109/ISCAS.2013.6572363

  12. Juan A. Leñero-Bardallo and Philipp Häfliger, "A bio-inspired tri-operation mode vision sensor", 4th Annual NanoNetwork Workshop, Bergen, Norway, June 2013. PDF

  13. Juan A. Leñero-Bardallo and Philipp Häfliger, "A dual operation mode bio-inspired vision sensor", IEEE Biomedical Circuits and Systems Conference (BioCAS), Rotterdam, The Netherlands, ISSN: 2163-4025, pp: 310-313, 31 October - 2 November, 2013.DOI: 10.1109/BioCAS.2013.6679701

  14. Jorge Fernández-Berni, Ricardo Carmona Galán, Rocío del Río, Juan A. Leñero-Bardallo, Ángel Rodríguez-Vázquez, "Smart Imaging for Power-efficient Extraction of Viola-Jones Local Descriptors", Image Sensors and Imaging Systems, 2-6 February 2014, SPIE, San Francisco, USA., pp: 1-9, Best conference paper award! doi:10.1117/12.2042384 PDF

  15. Juan A. Leñero-Bardallo, Jorge Fernández-Berni, and Ángel Rodríguez-Vázquez, "Review of ADCs for imaging", Image Sensors and Imaging Systems, 2-6 February 2014, SPIE, San Francisco, USA, pp: 1-6, doi:10.1117/12.2041682, .PDF

  16. Á. Rodríguez-Vázquez, R. Carmona-Galán, J. Fernández-Berni, S. Vargas-Sierra, Juan A. Leñero-Bardallo and B. Pérez-Verdú, "Form factor improvement of smart-pixels for vision sensors through 3-D vertically-integrated technologies," presented in 5th IEEE Latin American Symposium on Circuits and Systems (LASCAS), Santiago, Chile, 25-28 Feb. 2014. pp: 1-4, ISBN: 978-1-4799-2506-3, DOI: 10.1109/LASCAS.2014.6820327

  17. Lukasz Farian, Juan A. Leñero-Bardallo, and Philipp Häfliger, "A Bio-Inspired AER Temporal Tri-Color Differentiator", presented in IEEE 2014 Biomedical Circuits and Systems Conference, BioCAS (2014), 22-24 October, 2014, Lausanne, Switzerland, ISBN: 978-1-4799-2346-5, pp: 524 - 527, DOI: 10.1109/BioCAS.2014.6981778

  18. J. Fernández-Berni, R. Carmona-Galán, Juan A. Leñero-Bardallo, R. Kleihorst, Á. Rodríguez-Vázquez, "Towards an ultra-low-power low-cost wireless visual sensor node for fine-grain detection of forest fires," presented in 7th International Conference on Forest Fire Research, Coimbra, Portugal, 17-20 Nov. 2014. pp: 1572-1582, <http://dx.doi.org/10.14195/978-989-26-0884-6>. ISBN 978-989-26-0884-6.

  19. Juan A. Leñero-Bardallo, J. Fernández-Berni, R. Carmona-Galán, P. Häfliger, Á. Rodríguez-Vázquez, "Fire detection with a frame-less vision sensor working in the NIR band," presented in 7th International Conference on Forest Fire Research, Coimbra, Portugal, 17-20 Nov. 2014. pp: 1376-1385, <http://dx.doi.org/10.14195/978-989-26-0884-6>. ISBN 978-989-26-0884-6.

  20. Lukasz Farian, Philipp Häfliger, and Juan A. Leñero-Bardallo, "Miniaturized Sun Sensor with In-Pixel Processing for Attitude Determination of Micro Space Probes", EBCCSP 2015 – First IEEE International Conference on Event-Based Control, Communication and Signal Processing, Krakow, Poland, 17-19 June 2015, ISBN: 978-1-4673-7888-8, pp: 1-6, ISBN: 978-1-4673-7888-8, DOI: 10.1109/EBCCSP.2015.7300688

  21. Juan A. Leñero-Bardallo, R. Carmona-Galán, and Á. Rodríguez-Vázquez, "A high dynamic range image sensor with linear response based on asynchronous event detection", 22nd European conference on circuit theory and design, ECCTD2015, Trondheim, Norway, 24-26 August, 2015, pp:1-4, ISBN: 978-1-4799-9877-7, DOI: 10.1109/ECCTD.2015.7300079

  22. Juan A. Leñero-Bardallo, R. Carmona-Galán, and Á. Rodríguez-Vázquez, "A high dynamic range linear vision sensor with event asynchronous and frame-based synchronous operation", IS&T International Symposium on Electronic Imaging 2016 in the Image Sensors and Imaging Systems Conference, San Francisco, USA, 14th-18th February 2016. https://doi.org/10.2352/ISSN.2470-1173.2016.12.IMSE-260

  23. James Romaine, Manuel Delgado-Restituto, Juan Antonio Leñero-Bardallo, and A. Rodríguez-Vázquez, "Integer-based digital processor for the estimation of phase synchronization between neural signals", 12th Conference on PhD Research on Microelectronics and Electronics, Lisbon, Portugal, ISBN: 978-1-5090-0493-5, 27-30 June 2016. DOI:  10.1109/PRIME.2016.7519520

  24. Lukasz Farian, Juan A. Leñero-Bardallo, and Philipp Häfliger, "A Time-to-First-n-Spikes and Time-out Read-out Extension to the AER Arbitration System", EBCCSP 2016 – Second IEEE International Conference on Event-Based Control, Communication and Signal Processing, Krakow, Poland, 13-15 June 2016. ISSN: 978-1-5090-4196-1, pp: 1-6, DOI:. 10.1109/EBCCSP.2016.7605260

  25. R. Carmona-Galán, Juan A. Leñero-Bardallo, J. Fernández-Berni, Á. Rodríguez-Vázquez, "Pixel-wise Parameter Adaptation for Single-Exposure Extension of the Image Dynamic Range," ACM Int. Conf. on Distributed Smart Cameras (ICDSC), ISBN: 978-1-4503-4786-0, Paris, France, 12th-15th, September 2016. Link

  26. A. Rodríguez-Vázquez, R. Carmona-Galán, J. Fernández-Berni, V. Brea, and Juan A. Leñero-Bardallo, "In the Quest of Vision-Sensors-on-Chip: Pre‐Procesing Sensors for Data Reduction", IS&T International Symposium on Electronic Imaging 2017 in the Image Sensors and Imaging Systems Conference, San Francisco, USA, 29th January-2nd February 2017, DOI:
     https://doi.org/10.2352/ISSN.2470-1173.2017.11.IMSE-195.

  27. Fernando Pérez-Peña, Juan A. Leñero-Bardallo, Elisabetta Chicca, and Alejandro Linares-Barranco, "Towards Bioinspired Close-Loop Local Motor Control: a Simulated Approach Supporting Neuromorphic Implementations", 2017 IEEE International Symposium on Circuits & Systems, ISCAS 2017, Baltimore, MD, USA, May 28th-31th, 2017, ISSN: 2379-447X, pp: 1-4, DOI:  10.1109/ISCAS.2017.8050808

  28. Juan A. Leñero-Bardallo, Fernando Pérez-Peña, R. Carmona-Galán, and Ángel Rodríguez-Vázquez, "Pipeline AER Arbitration with Event Aging", 2017 IEEE International Symposium on Circuits & Systems, ISCAS 2017, Baltimore, MD, USA, May 28th-31th, 2017, ISSN: 2379-447X, pp: 1-4, DOI:  10.1109/ISCAS.2017.8050977

  29. Juan A. Leñero-Bardallo, Lukasz Farian, José María Guerrero-Rodríguez, R. Carmona-Galán, and Ángel Rodríguez-Vázquez, "On the design of sun sensors with event-based operation", 2017 Workshop on Architecture of Smart Cameras, Córdoba, Spain, June 5th-6th, 2017.PDF

  30. James B. Romaine, Manuel Delgado-Restituto, Juan A. Leñero-Bardallo, and Ángel Rodríguez-Vázquez, 'Real-time phase correlation based integrated system for seizure detection ', Proc. SPIE 10247, Bio-MEMS and Medical Microdevices III, 1024709 (May 8-10, 2017), Barcelona (Spain), DOI: 10.1117/12.2267003

  31. Juan A. Leñero-Bardallo, José M. Guerrero-Rodríguez, L. Farian, R. Carmona-Galán, Á. Rodríguez-Vázquez, 'A sun sensor implemented with an asynchronous luminance vision sensor', 47th European Solid-State Device Research Conference, ESSCIRC 2017, Leuven, Belgium, pp: 67-70, September 2017. DOI: 10.1109/ESSCIRC.2017.8094527

  32. Juan A. Leñero-Bardallo, José M. Guerrero-Rodríguez, L. Farian, R. Carmona-Galán, Á. Rodríguez-Vázquez, 'On the implementation of asynchronous sun sensors', 2019 IS&T International Symposium on Electronic Imaging, Burlingame, USA, January 13-17, 2019.

  33. Antonio de la Calle-Martos, Rubén Gómez-Merchán, Juan A. Leñero-Bardallo, Á. Rodríguez-Vázquez, 'Sun tracker sensor for attitude control of space navigation systems', 2020 IS&T International Symposium on Electronic Imaging, Burlingame, USA, January 26-30, 2020. DOI: https://doi.org/10.2352/ISSN.2470-1173.2020.7.ISS-231

  34. Lionel C. Gontard, Juan A. Leñero-Bardallo, Francisco M. Varela-Feria, and Ricardo Carmona-Galán, "Vertically Stacked CMOS-compatible Photodiodes for Scanning Electron Microscopy", 2020 IEEE International Symposium on Circuits and Systems, Sevilla, Spain, ISBN: 9 7 8 -1-7281-3320-1, October 10th-21th, 2020. PDF.

  35. María Teresa Monserrat García, Juan Antonio Leñero Bardallo, Juan Ortiz Álvarez, Natividad López Ibañez, Julián Conejo-Mir, and José Bernabeu Wittel, "Utilidad de la termografía en el síndrome MC-MAV", 32 Reunión del Grupo Español de Dermatología Pediátrica, Alicante, España, 26-27 febrero, 2021.

  36. Rubén Gómez-Merchán, María López-Carmona, Juan Antonio Leñero-Bardallo, and Ángel Rodríguez-Vázquez, "A high-speed low-power sun sensor with solar cells and continuous operation", ESSCIRC ESSDERC 2021 European Solid-State Circuits and Devices Conference, Grenoble, France, 6th-9th September, pp: 147-150, DOI: 10.1109/ESSCIRC53450.2021.9567846, 2021. PDF.

  37. Jorge J. Sáenz-Noval, Juan A. Leñero-Bardallo, Rubén Gómez-Merchán and Lionel C. Gontard, Energy Discrimination using CMOS Compatible Arrays of Photo-diodes in Scanning Electron Microscopy, Seventh Conference on Frontiers of Aberration Corrected Electron Microscopy, PICO 2022, May 8th-12th, Netherlands, 2022.

  38. Roberto J. Méndez-Romero, Juan Antonio Leñero-Bardallo, and Ángel Rodríguez-Vázquez, "On the application of Quanta Imaging acquisition to spiking luminance sensors", 2022 IEEE International Symposium on Circuits and Systems, Austin, USA, pp. 784-788, DOI: 10.1109/ISCAS48785.2022.9937842, May 28th-June 1st, 2022.

  39. R. Gomez-Merchan, R. de la Rosa-Vidal, J. A. Leñero-Bardallo, Á. Rodríguez-Vázquez, "On the implementation of in-pixel controlled diodes with sensing and energy harvesting capabilities", 17th International Conference on PhD Research in Microelectronics and Electronics IEEE PRIME 2022, pp: 105-108, DOI: 10.1109/PRIME55000.2022.9816768, 12-15 June 2022 - Villasimius, Sardinia, Italy.

  40. R. de la Rosa-Vidal, R. Gomez-Merchan, J. A. Leñero-Bardallo, Á. Rodríguez-Vázquez, "PixiStamp: A tool to acquire, process, and sequence AER data from event-driven systems", 17th International Conference on PhD Research in Microelectronics and Electronics IEEE PRIME 2022, pp: 93-96, DOI: 10.1109/PRIME55000.2022.9816799, 12-15 June 2022 - Villasimius, Sardinia, Italy.

  41. Łukasz Farian, Pablo Fernández-Peramo, Philipp Häfliger, Juan A. Leñero-Bardallo, "Centroid estimation method with sub-pixel resolution for event-based sun sensors", 17th International Conference on PhD Research in Microelectronics and Electronics IEEE PRIME 2022, pp: 117-120, DOI: 10.1109/PRIME55000.2022.9816751, 12-15 June 2022 - Villasimius, Sardinia, Italy.

  42. R. Gomez-Merchan, J. A. Leñero-Bardallo, Á. Rodríguez-Vázquez, "Making Event-driven and SPAD-based Imagers Converge: A 64x64 110nm CMOS Multi-mode Vision Sensor", 3rd International SPAD Sensor Workshop, June 13-15, 2022.

  43. Jorge J. Sáenz-Noval, Juan A. Leñero-Bardallo, Lionel C. Gontard, "Sensor de imagen con resolución energética para microscopía electrónica", JIPII 2022 (II Jornadas de Investigación Predoctoral en Ingeniería informática), ISBN 978-84-89867-48-2. [Online]. Available: https://rodin.uca.es/handle/10498/27607, June 21 2022, Puerto Real, Cádiz, Spain.

  44. J. A. Leñero-Bardallo, J. A. Pérez-Carrasco, C. Serrano, B. Acha, J.-O. Álvárez, J. Bernabéu-Wittel, "Uso de la Termografía para el Análisis y Seguimiento de los Hemangiomas Infantiles", XL Congreso Anual de la Sociedad Española de Ingeniería Biomédica (CASEIB 2022), November, 2022, Valladolid, Spain.

  45. R. Gomez-Merchan, J. A. Leñero-Bardallo, Á. Rodríguez-Vázquez, "A self-powered asynchronous image sensor with independent in-pixel harvesting and sensing operations", Electronic Imaging 2023, 15-19 January, 2023. San Francisco (USA). Arnaud Darmont Award for Best Paper.

  46. R. Gomez-Merchan, R. de la Rosa-Vidal, J. A. Leñero-Bardallo, Á. Rodríguez-Vázquez, "Load reduction and adaptive pull-up strategies for time delay reduction in high-resolution AER sensors", IEEE International Symposium on Circuits and Systems, ISCAS 2023, 21-25 May 2023, Monterey, CA, (USA).

  47. Rubén Gómez Merchán, Sergio Palomeque Mangut, Juan Antonio Leñero Bardallo and Ángel Rodríguez Vázquez, "A 63 μW, Low-Latency Sun Sensor using Photovoltaic-Mode Photodiodes". XXX Seminario Anual de Automática, Electrónica Industrial e instrumentación (SAAEI 2023), 5-7 July, 2023, Sevilla (Spain).

  48. R. Gomez-Merchan, J. A. Leñero-Bardallo, R. de la Rosa-Vidal, Á. Rodríguez-Vázquez, "A 64x64 SPAD-based 3D Image Sensor with Adaptive Pixel Sensitivity and Asynchronous Readout", IEEE 53rd European Solid-State Device Research Conference,11-14 September 2023,  Lisbon, Portugal.

  49. P. Fernández-Peramo, Juan A. Leñero-Bardallo, Juan M. López-Martínez and Á. Rodríguez-Vázquez, "A Model for the Open-Circuit Voltage Dependence on Temperature for Integrated Diodes", IEEE 53rd European Solid-State Device Research Conference,11-14 September 2023,  Lisbon, Portugal.

Live Demonstrations

  1. Juan A. Leñero-Bardallo, D. H. Bryn, and Philipp Häfliger, "Live Demonstration: Bio-inspired Asynchronous Pixel Event Tri-color Vision Sensor", IEEE Biomedical Circuits and Systems Conference (BioCAS 2011), ISSN: 978-1-4244-6662-7, San Diego, USA, 10-12 November 2011. Poster_PDF.

  2. Juan A. Leñero-Bardallo, D. H. Bryn, and Philipp Häfliger, "Live Demonstration: A Bio-inspired Asynchronous Pixel Event Tri-color Vision Sensor", IEEE International Symposium on Circuits and Systems ISCAS 2012, ISSN: 978-1-4419-6474-8, Seoul, Korea, 20-23 May 2012. Poster PDF. DOI:  10.1109/ISCAS.2012.6272138

  3. Jorge Fernández-Berni, Ricardo Carmona-Galán, Rocío del Río, Juan A. Leñero-Bardallo, R. Kleihorst, W. Philips, and Ángel Rodríguez-Vázquez, "Live Demonstration: Real-time focal-plane face obfuscation through programmable pixelation", 3rd Workshop on Architecture of Smart Cameras, June 30th-July1st, Pisa, Italy, 2014

  4. Lukasz Farian, Juan A. Leñero-Bardallo, and Philipp Häfliger, "Live Demonstration: A Bio-Inspired AER Temporal Tri-Color Differentiator", presented in IEEE 2014 Biomedical Circuits and Systems Conference, BioCAS (2014), 22-24 October, 2014, pp: 171-171, Lausanne, Switzerland. DOI: 10.1109/BioCAS.2014.6981674

  5. Juan A. Leñero-Bardallo, R. Carmona-Galán, and Á. Rodríguez-Vázquez, "Live Demonstration: A high dynamic range linear vision sensor with event asynchronous and frame-based synchronous operation", IS&T International Symposium on Electronic Imaging 2016 in the Image Sensors and Imaging Systems Conference, San Francisco, USA, 14th-18th February 2016. DemoVideo

  6. Juan A. Leñero-Bardallo, R. Carmona-Galán, and Á. Rodríguez-Vázquez, "A HDR image sensor with pixel well-capacity expansion based on asynchronous saturation tagging", 15th International Workshop on Cellular Nanoscale Networks and their Applications, Dresden, Germany, August, 23th-25th, 2016.

  7. Juan A. Leñero-Bardallo, R. Carmona-Galán, and Á. Rodríguez-Vázquez, "Live Demonstration: HDR image sensor with linear response and asynchronous detection of saturation", 11th ACM International Conference on Distributed Smart Cameras (ICDSC), Paris, France, 12th-15th, September 2016. Link

  8. Lukasz Farian, Juan A. Leñero-Bardallo, and Philipp Häfliger, "Live Demonstration: a miniaturized Two‐Axis Low Latency and Low‐Power Sun Sensor for Attitude Determination of Sounding Rockets", 2018 IEEE International Symposium on Circuits and Systems, Florence, Italy, May 27th-30th, 2018. DOI: 10.1109/ISCAS.2018.8351737. Link

  9. Juan A. Leñero-Bardallo, Ricardo Carmona-Galán, and Ángel Rodríguez-Vázquez, "Live Demo: Encoding very bright illumination levels with a linear HDR image sensor", 2018 Workshop on Arquitectures of Smart Cameras, Coimbra, Portugal, June 27th-28th, 2018. PDF.

  10. Juan A. Leñero-Bardallo, Jorge Fernández-Berni, Ricardo Carmona-Galán, and Ángel Rodríguez-Vázquez, "Demo: On the characterization of light sources irradiation profiles with an HDR image sensor", 12th ACM International Conference on Distributed Smart Cameras (ICDSC), 2018, Eindhoven, Netherlands, 3rd-4th September 2018. ISBN: 978-1-4503-6511-6. DOI: 10.1145/3243394.3243708

  11. Juan A. Leñero-Bardallo, Joaquín Ceballos-Cáceres, José Bernabéu-Wittel, and Ángel Rodríguez-Vázquez, "Demo: A system for image acquisition and processing operating in the visible and the IR bands", 13th ACM International Conference on Distributed Smart Cameras (ICDSC), 2019, Trento, Italy, 8th-11th September 2019. ISBN 978-1-4503-7189-6/19/09. https://doi.org/10.1145/3349801.3357127.

  12. Rafael de la Rosa-Vidal, José Mª Guerrero-Rodríguez, Juan A. Leñero-Bardallo, "Live Demonstration: A tracking system based on a real-time bio-inspired optical flow sensor", 2020 IEEE International Symposium on Circuits and Systems, Sevilla, Spain, October 10th-21th, 2020, ISBN: 978-1-7281-3320-1. PDF.

  13. R. de la Rosa-Vidal, J. A. Leñero-Bardallo, F. J. Garrido-Flores and Á. Rodríguez-Vázquez, and J. Bernabéu-Wittel, "Live Demonstration: A Customizable Medical IR Imaging System for Clinical Diagnosis", IEEE International Symposium on Circuits and Systems, ISCAS 2023, 21-25 May 2023, Monterey, CA, (USA).

Lecture Notes

  1. Fundamentos de la electrónica y los semiconductores. Course in Electronics. University of Cádiz, 2018. ISBN: 978-84-9828-697-7, UNEbook.

  2. Photoreceptors in CMOS technology. Course in Neuromorphic Electronics (INF5470). PDF

  3. Neuromorphic Electronics: Lecture Notes, Compendium Book. PDF

PhD Supervision

"Biologically inspired sensors for attitude determination and color processing", Lukaz Farian. University of Oslo (Norway), June 2019. PDF

PhD Dissertation

"Study, Design, Implementation, and Test of VLSI Retinas Sensitive to Spatial and Temporal Contrast", Supervisors: Bernabé Linares-Barranco and Teresa Serrano-Gotarredona, National Microelectronics Center (CNM), May 2010. PDF

Master Thesis

"Implementation of Algorithms for Blind Source Separation of Audio Signals with Small Delays", Engineering School/University of Seville, September 2005. (Document in Spanish). PDF

 

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