investigador

Sergio Neftali Torres Inostroza

Ph. D. in Engineering

Universidad de Concepción

sergio.torres@cefop.udec.cl

56-41-2203005

Sergio Neftali Torres Inostroza



International Congress

  • A Prior Knowledge Model for Multidimensional Striping Noise Compensation in Hyperspectral Imaging Devices, S.N Torres, SPIE Security + Defence 2012, Escocia, Edinburgh, (2012-09-24)
  • A Prior Knowledge Model for Multidimensional Striping Noise Compensation in Hyperspectral Imaging Devices , S.N Torres, SPIE Security + Defence 2012 , Escocia, Edimburgh Uk., (2012-09-24)
  • A hardware Kalman-based offset estimator for nonuniformity correction on IRFPA , S.N Torres, SPIE Security & Defence, United Kingdom, Edinburgh, (2012-09-22)
  • Thermal Noise Estimation and Removal in MRI: A Noise Cancellation Approach, S.N Torres, 16th Iberoamerican Congress on Pattern Recognition CIARP 2011, Chile, Pucón, (2011-11-15)
  • "Spectral Model for Fixed-pattern-noise in Infrared Focal-plane Arrays," & "Thermal Noise Estimation and Removal in MRI: A Noise Cancellation, S.N Torres, The 16 th Iberoamerican Congress on Pattern Recognition CIARP 2011 , Chile, Pucón, (2011-11-15)
  • A Frequency Domain Model for the Spatial Fixed-pattern Noise in Infrared Focal Plane Arrays, S.N Torres, SPIE Photonic Devices + Applications, United States, San Diego, CA, (2011-08-21)
  • A multidimensional approach for striping noise compensation in Hyperspectral Imaging Devices, S.N Torres, SPIE Photonic Devices + Applications, United States, San Diego, CA, (2011-08-21)
  • Nonuniformity Correction Approach for stripping noise in Hyperspectral Imaging, S.N Torres, Latino American Remote Sensing Conference LARS 2010, Chile, Santiago, (2010-10-12)
  • Total Variation Adaptive Scene-Based Nonuniformity Correction , S.N Torres, The 2010 OSA Imaging System Conference,, United States, Tucson, Arizona, (2010-07-14)
  • A new reference free infrared quality metric for Nonuniformity Corrrection, S.N Torres, Multiconference on Systemics, Cybernetics and Informatics (WMSCI 2010) , United States, Orlando, Florida, (2010-06-28)
  • An Effective Reference-Free Performance Metric for Non-uniformity Correction Algorithms in Infrared Imaging Systems, S.N Torres, The IEEE LEOS 20th Annual Meeting, United States, Orlando, FL, (2007-10-21)
  • Nonuniformity Correction Algorithm Based on a Noise-Cancellation System for Infrared Focal-Plane Arrays, S.N Torres, SPIE Infrared Technology and Applications XXXIII, United States, Orlando, FL, (2007-05-14)
  • Real-Time Kalman Filtering for Nonuniformity Correction in Infrared Focal-Plane Arrays, S.N Torres, The 8th World Multi-Conference on Systemics, Cybernetics and Informatics (SCI 2004), United States, Orlando, FL, (2004-07-10)
  • Scene-Based Non-Uniformity Correction Method Using the Inverse Covariance Form of the Kalman Filter, S.N Torres, International Conference on Hybrid Intelligent Systems, Chile, Santiago, (2002-12-02)

Workshop

  • Sistemas Optoelectrónicos, S.N Torres, Third Workshop on Quantum Optics and Quantum Information, Chile, Chillán, (2004-09-29)
  • Nonuniformity Correction for Infrared Focal-plane-array Technology, S.N Torres, Second Workshop on Quantum Optics and Quantum Information, Chile, Concepción, (2004-01-07)

Conference

  • “Infrared imaging-based measurement technique for enzymatic reaction of glucokinase", S.N Torres, "Optical Methods in Developmental Biology II", San Francisco, California, United States, (2014-02-02)
  • “Infrared imaging-based measurement technique for enzymatic reaction of glucokinase", S.N Torres, "Optical Methods in Developmental Biology II", San Francisco, California, United States, (2014-02-01)
  • A Multidimensional Approach for Striping Noise Compensation in Hyperspectral Imaging Devices, S.N Torres, Optics + Photonics 2011, Estados Unidos, San Diego, California, (2011-08-21)
  • Real-Time Kalman Filtering for Nonuniformity Correction in Infrared Focal-Plane Arrays, S.N Torres, The 8th World Multi-Conference on Systemics, Cybernetics and Informatics, Optical Systems, United States, Orlando, Florida, (2004-07-18)

Collaborative Activities

  • The University of New Mexico, United States, 2001-01-01
  • California Institute of Technology, United States, 2004-01-01
  • Anthony Redhead and Simon Rapford, CALTECH, Chile, 2010-01-04
  • Joshua Gurdensen, University of Miami. , Chile, 2010-07-12
  • , , 0000-00-00

Publications

  • Pablo Coelho Caro, S.N Torres, , , Carlos Toro , , Daniel Sbárbaro, Jorge E. Pezoa. A machine vision system for automatic detection of parasites Edotea magellanica in shell-off cooked clam Mulinia edulis, JOURNAL OF FOOD ENGINEERING, Vol. (2016). 10.1016/j.jfoodeng.2016.03.005
  • S.N Torres, , , Pablo Meza, M Gallardo , J.P. Staforelli. Features for instantaneous emissions of low level infrared signals of glucokinase enzyme from pyrococcus furiosus, APPLIED OPTICS, Vol. 54, pp. 2057-2065 (2015). 10.1364/AO.54.002057
  • S.N Torres, Pablo Meza, cesar san martin, E. Vera, Guillermo Machuca. Simultaneous digital super-resolution and nonuniformity correction for infrared imaging systems, APPLIED OPTICS, Vol. , pp. 6508-6515 (2015). dx.doi.org/10.1364/AO.54.006508
  • , M. Figueroa, S.N Torres, Jorge E. Pezoa. Embedded nonuniformity correction in infrared focal plane arrays using the Constant Range algorithm, INFRARED PHYSICS & TECHNOLOGY, Vol. , pp. 164-173 (2015). http://dx.doi.org/10.1016/j.infrared.2015.01.026
  • S.N Torres, , , Pablo Meza, M Gallardo , J.P. Staforelli. Features for instantaneous emissions of low-level infrared signals of glucokinase enzyme from pyrococcus furiosus, APPLIED OPTICS, Vol. , pp. 2057-2065 (2015). http://dx.doi.org/10.1364/AO.54.002057
  • Perez, F., Jorge E. Pezoa, M. Figueroa, S.N Torres. Empirical frequency domain model for fixed-pattern noise in infrared focal plane arrays, INFRARED PHYSICS & TECHNOLOGY, Vol. , pp. 413-426 (2014). http://dx.doi.org/10.1016/j.infrared.2014.09.010
  • Carlos Toro , L. Arias, S.N Torres, Daniel Sbárbaro. Flame spectra-temperature estimation based on a color imaging camera and a spectral reconstruction technique, APPLIED OPTICS, Vol. 53, Issue. 28, pp. 6351-6361 (2014). dx.doi.org/10.1364/AO.53.006351
  • , Pablo Meza, Jorge E. Pezoa, S.N Torres, . Modeling and Compensating Non-Uniformity in Push-broom NIR Hyperspectral Imaging System, INFRARED PHYSICS & TECHNOLOGY, Vol. , pp. 204-210 (2014). doi:10.1016/j.infrared.2014.01.004
  • J.P. Staforelli, M Gallardo , Pablo Meza, S.N Torres, , . Non-contact measurement technique for enzymatic reaction of glucokinase, SPIE BIOS, Vol. , pp. 89530-89530 (2014). http://dx.doi.org/10.1117/12.2037394
  • Pablo Coelho Caro, Miguel Soto Hernández, S.N Torres, Daniel Sbarbaro Hofer, Jorge E. Pezoa. Hyperspectral transmittance imaging of the shell-free cooked clam Mulinea edulis for parasite detection, JOURNAL OF FOOD ENGINEERING, Vol. 117, Issue. 3, pp. 408-416 (2013). 10.1016/j.jfoodeng.2013.01.047]
  • , Sergio K. Sobarzo, S.N Torres, Felipe Pedreros , L. Arias, Michael Hafner, Stefan Riepl. Two-Color Satellite Laser Ranging Measurements at 10 Hz and 100 Hz at TIGO, IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, Vol. , pp. 4707-4716 (2013). DOI:10.1109/TGRS.2013.2283771
  • P. Meza , Jorge E. Pezoa, , S.N Torres. A Prior Knowledge Model for Multidimensional Striping Noise Compensation in Hyperspectral Imaging Devices, PROCEEDINGS SPIE , Vol. 8542 (2012). 10.1117/12.974720
  • L. Arias, Daniel Sbarbaro Hofer, S.N Torres. Removing baseline flame’s spectrum by using advanced recovering spectrum techniques, APPLIED OPTICS, Vol. 51, Issue. 51, Article. 25, pp. 6111-6116 (2012). 10.1364/AO.51.006111
  • Felipe Pedreros , Jorge E. Pezoa, S.N Torres. Compensating Internal Temperature Effects in Uncooled Microbolometer-based Infrared Cameras, PROCEEDINGS SPIE , Vol. 1, Issue. 1, Article. 1, pp. 1-1 (2012).
  • , Jorge E. Pezoa, P. Meza , S.N Torres, Octavio Zapata . On the Thermal-offset in NIR Hyperspectral Cameras, PROCEEDINGS SPIE , Vol. 99, Issue. 1, Article. 1, pp. 1-1 (2012). 1
  • Octavio Zapata , S.N Torres. An Experimental Validation of the Gauss-Markov Model for Nonuniformity Noise in Infrared Focal Plane Array Sensors, PROCEEDINGS SPIE , Vol. 1, Issue. 1 (2012).
  • E. Vera, Pablo Meza, S.N Torres. A total variation approach adaptive nonuniformity correction in focal plane arrays, OPTICS LETTERS, Vol. 36, Issue. 2, pp. 172-174 (2011). 0146-9592
  • L. Arias, S.N Torres, Daniel Sbárbaro. Flame sensing and combustion process monitoring by using a photodiodes based sensor, COMBUSTION AND FLAME, Vol. 158, Issue. 1, pp. 423-433 (2011). 0010-2180
  • L. Arias, S.N Torres. On the flame spectrum recovery by using a low-spectral resolution sensor., CONGRESS ON PATTERN RECOGNITION CIARP, Vol. 7042, pp. 256-263 (2011).
  • , P. Meza , Carlos Toro , S.N Torres. Infrared Focal Plane Array Imaging System Characterization by Means of a Blackbody Radiator, CONGRESS ON PATTERN RECOGNITION CIARP, Vol. 7042 (2011).
  • L. Arias, S.N Torres, Daniel Sbárbaro, Philippe Ngendakumana. On the spectral bands measurements for combustion monitoring, COMBUSTION AND FLAME, Vol. 158, Issue. 3, pp. 423-433 (2011). 10.1016/j.combustflame.2010.09.018
  • E. Vera, P. Meza , S.N Torres. Total variation approach for adaptive nonuniformity correction in focal-plane arrays, OPTICS LETTERS, Vol. Vol. 36, Issue. 2, pp. 172-174 (2011). 10.1364/OL.36.000172
  • P. Meza , cesar san martin, E. Vera, S.N Torres. A Quantitative Evaluation of Fixed-Pattern Noise Reduction Methods in Imaging Systems, PROGRESS IN PATTERN RECOGNITION, IMAGE ANALYSIS, COMPUTER VISION, AND APPLICATIONS, Vol. 64192010, pp. 285-294 (2010).
  • P. Meza , E. Vera, Sebastián Godoy, S.N Torres. A New Reference-free Infrared Image Quality Metric for Nonuniformity Correction, WMSCI 2010, Vol. (2010).
  • S.N Torres, P. Meza , E. Vera. Total Variation Adaptive Scene-Based Nonuniformity Correction, PROCEEDINGS OSA, Vol. (2010). http://www.opticsinfobase.org/abstract.cfm?uri=IS-2010-JTuA24
  • C. San Martin, Jorge E. Pezoa, S.N Torres, P. Meza , Diana Gutierrez. Block-Recursive Filtering for Offset Nonuniformity Estimation in Infrared Imaging Systems: Theory and Implementation, INFRARED PHYSICS & TECHNOLOGY, Vol. 31, Issue. 6, pp. 478-483 (2010). 10.1016/j.patrec.2009.07.010
  • J.P. Staforelli, E. Vera, P. Solano, S.N Torres, C. Saavedra. Superresolution imaging in optical tweezers using high-speed cameras, OPTICS EXPRESS, Vol. 18, Issue. 4, pp. 3322-3331 (2010). http://dx.doi.org/10.1364/OE.18.003322
  • Sergio K. Sobarzo, S.N Torres. Multipath routing for eVLB, COMPUTERS & GEOSCIENCES, Vol. 36, Issue. 2, Article. 1, pp. 214-221 (2010). 10.1016/j.cageo.2009.03.010
  • S.N Torres. Feature extraction based on circular summary statistics in ECG signal classification, IEEE CONFERENCE, Vol. , Article. 1522, pp. 142-144 (2009). http://doi.ieeecomputersociety.org/10.1109/SCCC.2009.24
  • L. Arias, S.N Torres, Daniel Sbárbaro, Oscar Farías. Photodiode-based sensor for flame sensing and combustion-process monitoring, APPLIED OPTICS, Vol. 47, Issue. 29, pp. 5541-5549 (2008). 10.1364/AO.47.005541
  • C. San Martin, S.N Torres, Jorge E. Pezoa. Statistical recursive filtering for offset nonuniformity estimation in infrared focal-plane-array sensors, INFRARED PHYSICS & TECHNOLOGY, Vol. 51, Issue. 6, pp. 564-571 (2008). 10.1016/j.infrared.2008.09.001
  • Sebastián Godoy, Jorge E. Pezoa, S.N Torres. Noise-cancellation--based nonuniformity correction algorithm for infrared focal-plane arrays, APPLIED OPTICS, Vol. 47, Issue. 29, pp. 5394-5399 (2008). 10.1364/AO.47.005394
  • S.N Torres. Implications of the cosmic background polarization data, THE ASTROPHYSICAL JOURNAL, THE AMERICAN SOCIETY, Vol. 660, Article. 976 (2007).
  • Jorge E. Pezoa, Majeed M. Hayat, S.N Torres. Multimodel Kalman filtering for adaptive nonuniformity correction in infrared sensors, JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A, Vol. 23, Issue. 6, pp. 1282-1291 (2006). 10.1364/JOSAA.23.001282
  • Torres F, C. San Martin, S.N Torres. A RLS filter for nonuniformity and ghosting correction of infrared image sequences, PROGRESS IN PATTERN RECOGNITION, IMAGE ANALYSIS AND APPLICATIONS, PROCEEDINGS, Vol. 4225 (2006).
  • S.N Torres, C. San Martin, Sergio N. Statistical recursive filtering estimation of detector offset nonuniformity in infrared imaging systems, PROGRESS IN PATTERN RECOGNITION, IMAGE ANALYSIS AND APPLICATIONS, PROCEEDINGS, Vol. 4225 (2006).
  • S.N Torres, Hase H, Sobarzo SK. eVLBI development in TIGO, PROGRESS IN PATTERN RECOGNITION, IMAGE ANALYSIS AND APPLICATIONS, PROCEEDINGS, Vol. 4225, pp. 883-891 (2006).
  • S.N Torres, Campbell JC, Hayat MM, Karve G, Ramirez M , Saleh BEA, Teich MC. Detection efficiencies and generalized breakdown probabilities for nano second-gated near infrared single-photon avalanche photodiodes, IEEE JOURNAL OF QUANTUM ELECTRONIC, Vol. 42, Issue. 1, pp. 137-145 (2006). 10.1109/JQE.2005.861627
  • E. Vera, S.N Torres. Fast Adaptive Non-uniformity Correction for Infrared Focal-Plane Array Detectors, EURASIP JOURNAL ON APPLIED SIGNAL PROCESSING, Vol. 2005, Issue. 13 (2005). 10.1155/ASP.2005.1994
  • Torres F, S.N Torres, San Martin U. A recursive least square adaptive filter for nonuniformity correction of infrared image sequences, PROGRESS IN PATTERN RECOGNITION, IMAGE ANALYSIS AND APPLICATIONS, , Vol. 3773 (2005).
  • Sobarzo SK, S.N Torres. Real-time Kalman filtering for nonuniformity correction on infrared image sequences: Performance and analysis, PROGRESS IN PATTERN RECOGNITION, IMAGE ANALYSIS AND APPLICATIONS, , Vol. 3773, pp. 752-761 (2005).
  • Hayat MM, Ramirez M , Saleh BEA, Teich MC, S.N Torres. Information-theoretic criterion for the performance of single-photon avalanche photodiodes, IEEE PHOTONICS TECHNOLOGY LETTERS, Vol. 17, Issue. 10, pp. 2164-2166 (2005). 10.1109/LPT.2005.856406
  • A. Vargas, C. San Martin, S.N Torres, J. Campos . Image pattern recognition with separable trade-off correlation filters, ADVANCED CONCEPTS FOR INTELLIGENT VISION SYSTEMS, PROCEEDINGS , Vol. 3708, Issue. 3708, pp. 162-169 (2005).
  • S.N Torres, Jorge E. Pezoa, Hayat MM. Scene based nonuniformity correction for focal plane arrays by the method of the inverse covariance form, APPLIED OPTICS, Vol. 42, Issue. 29, pp. 5872-5881 (2003).
  • Hayat MM, S.N Torres. Kalman filtering for adaptive nonuniformity correction in infrared focal plane arrays, JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION, Vol. 20, Issue. 3, pp. 470-480 (2003).