Publications arranged by topics

   Surveys of LPS technology

• F. Seco, A. R. Jiménez, C. Prieto, J. Roa and K. Koutsou, A survey of mathematical methods for indoor localization, WISP 2009, 6th IEEE International Symposium on Intelligent Signal Processing, 26–28 August, 2009 Budapest, Hungary, pp. 9-14. Download PDF.  
• A.R.Jiménez, F. Seco, C. Prieto, J. Roa, Tecnologías sensoriales de localización para entornos inteligentes, I Congreso español de informática - Simposio de Computación Ubicua e Inteligencia Ambiental, UCAmI2005 (Granada), pp.75-86, 2005 Download PDF

• A.R. Jiménez, J.C. Prieto, J.L. Ealo, J. Guevara y F. Seco, A computerized system to determine the provenance of finds in archaeological sites using acoustic signals, Journal of Archaeological Science, vol. 36, no. 10, pp. 2415-2426 (2009). Download PDF
  
• J.C. Prieto, C. Croux y A.R. Jiménez, RoPEUS: A New Robust Algorithm for Static Positioning in Ultrasonic Systems, Sensors vol: 9, no. 6, pp. 4211-4229 (2009). Download PDF.
  
• J.C. Prieto, A. R. Jiménez, J. Guevara, J. Ealo, F. Seco, J. Roa, A. Koutsou, Performance evaluation of 3D-LOCUS advanced acoustic LPS, IEEE Transactions on Instrumentation and Measurement, vol. 58, no. 8, august 2009, pp. 2385-2395 Download PDF
  
• J.C. Prieto, A. R. Jiménez, J. Guevara, J. Ealo, F. Seco , J. Roa, A. Koutsou, Robust Regression Applied to Ultrasound Location Systems, IEEE/ION Position, Location and Navigation Symposium, Monterrey, California, 5-8 de mayo de 2008, Conference Proceedings, pp. 671-678. Download PDF
  
• J. Guevara, A. Jiménez, F. Seco, C. Prieto, J. Ealo, J. Roa y K. Koutsou, Sistema de identificación y localización simbólica utilizando una red sensorial de nodos ultrasónicos, XXVIII Jornadas de Automática, Huelva, 5-7 de septiembre de 2007 Download PDF
• J. C. Prieto, A. R. JiméneCz, J. Guevara, J. Ealo, F. Seco, J. Roa, F. Ramos, Subcentimeter-accuracy localization through broadband acoustic transducers, IEEE International Symposium on Intelligent Signal Processing, Alcalá de Henares, Spain, 3-5 de Octubre de 2007, pp. 929-934. Download PDF
  
• A. R. Jiménez y F. Seco, Ultrasonic Localization Methods for Accurate Positioning, in New acoustics: selected topics II (CSIC, Biblioteca de Ciencias), pp. 147-166 (2006) Download PDF
• A.R. Jiménez and F. Seco, Precise localisation of archaeological findings with a new ultrasonic 3D positioning sensor, Sensors and Actuators A, vol. 123-124, pp. 224-233, 2005. Download PDF.
• J.M. Martín, A.R. Jiménez, F. Seco, L. Calderón, J.L. Pons, R. Ceres, Estimating the 3D-position from time delay data of US-waves: Experimental analysis and new processing algorithm, Sensors & Actuators A, (101), pp.311-321, 2002. Download PDF.

   RF-based Bayesian Location

• F. Seco, C. Plagemann, A. R. Jiménez, W. Burgard, Improving RFID-based indoor positioning accuracy using Gaussian processes, Indoor Positioning and Indoor Navigation (IPIN), pp. --, Zurich, Switzerland, October 13–15th (2010). Download PDF.
• A. D. Koutsou, F. Seco, A. R. Jiménez, J. Roa J. Ealo, C. Prieto, J. Guevara, Preliminary Localization Results With An RFID Based Indoor Guiding System, IEEE International Symposium on Intelligent Signal Processing, pp. 917-922, Alcalá de Henares, Spain, October 3–5th (2007). Download PDF.
  

   

• A.R. Jiménez , F. Seco, C.Prieto, J. Guevara, Accurate Pedestrian Indoor Navigation by Tightly Coupling Foot-Mounted IMU and RFID Measurements, IEEE Trans. on Instrumentation and Measurement, vol. 61, no. 1, pp.178-189, January 2012. Download PDF
• A.R. Jiménez , F. Seco, F. Zampella, C.Prieto, J. Guevara, PDR with a Foot-Mounted IMU and Ramp Detection, Sensors vol. 11, no. 10, pp. 9393-9410, Oct 2011. Download PDF
• A.R. Jiménez, F. Seco, F. Zampella, C.Prieto, J. Guevara, Improved Heuristic Drift Elimination (iHDE) for Pedestrian Navigation in Complex Buildings, International conference on indoor Positioning and Indoor Navigation - IPIN, Guimaraes, Portugal, pp.1-8, September 21-23, 2011. Download PDF
• A.R. Jiménez, F. Seco, F. Zampella, C.Prieto, J. Guevara, Ramp Detection with a Foot-Mounted IMU for a Drift-Free Pedestrian Position Estimation, International conference on indoor Positioning and Indoor Navigation - IPIN, Guimaraes, Portugal, pp.1-4, September 21-23, 2011. Download PDF
• F. Zampella ,A.R. Jiménez, F. Seco, C.Prieto, J. Guevara, Simulation of Foot-Mounted IMU Signals for the Evaluation of PDR Algorithms, International conference on indoor Positioning and Indoor Navigation - IPIN , Guimaraes, Portugal, pp.1-7, September 21-23, 2011. Download PDF
• A.R. Jiménez, F. Seco, C. Prieto and J. Guevara, Indoor Pedestrian Navigation using an INS/EKF framework for Yaw Drift Reduction and a Foot-mounted IMU, WPNC 2010, 7th Workshop on Positioning, Navigation and Communication, March 11-12, 2010, Dresden, Germany. Download PDF
• A. R. Jiménez, F. Seco, C. Prieto, J. Guevara, Pedestrian indoor navigation by aiding a foot-mounted IMU with RFID signal strength measurements , International Conference on Indoor Positioning and Indoor Navigation (IPIN), pp. 1-7, Zurich, Switzerland, October 13–15th (2010). Download PDF
• A.R. Jiménez, F. Seco, C. Prieto and J. Guevara, A Comparison of Pedestrian Dead-Reckoning Algorithms using a Low-Cost MEMS IMU, WISP 2009, 6th IEEE International Symposium on Intelligent Signal Processing, 26–28 August, 2009 Budapest, Hungary, pp. 37-42. Download PDF

Optimum Beacon placement & Autolocalization

• J. Guevara, A.R. Jiménez, A. S. Morse, J. Fang, C. Prieto, F. Seco, Auto-localization in Local Positioning Systems: a closed-form range-only solution, IEEE International Symposium on Industrial Electronics, ISIE 2010, pp.--, Bari, Italy, July 5th-7th, 2010. Download PDF
• M. Laguna, J. Roa, A. R. Jiménez y F. Seco, Diversified local search for the optimal layout of beacons in an indoor positioning system, IIE Transactions, vol. 41, no. 3, pp. 247-259 (2009). Download PDF
  
• J.O. Roa and A.R. Jiménez and F. Seco and C. Prieto and J.L. Ealo and J. Guevara, Optimal placement of sensors in trilateration: Regular lattices vs meta-heuristic solutions, Lecture Notes in Computer Science, Computer Aided Systems Theory EUROCAST 2007, vol. 4739/2007, pp. 780-787. Download PDF
  
• J.O. Roa and A.R. Jiménez and F. Seco and C. Prieto and J.L. Ealo and F. Ramos and J. Guevara, Distribución optimizada de balizas para sistemas de localización fundamentados en Trilateración Esférica e Hiperbólica, MAEB 2007, pp.377-384, 2007. Download PDF
  

   Ultrasonic Signal Processing

• F. Seco, J. Ealo and A. R. Jiménez, Modulation and Codification of Ultrasonic Signals with EMFi Transducers, 2009 IEEE International Ultrasonics Symposium, Roma, Sept. 20-23, 2009. Download PDF.
• F. Seco y A. R. Jiménez, Ultrasound modulation and codification for localization systems, in New acoustics: selected topics II (CSIC, Biblioteca de Ciencias), pp 167-186 (2006) Download PDF

• J. Ealo, C. Prieto, F. Seco, Easy Generation of Airborne Ultrasonic Helical Wavefronts, 2011 IEEE International Ultrasonics Symposium (IUS), Orlando, Florida, USA, 18-21 de octubre de 2011 Download PDF
• J. Ealo, C. Prieto, F. Seco, Airborne Ultrasonic Vortex Generation Using Flexible Ferroelectrets, IEEE Trans. on Ultrasonics, Ferroelectrics and Freq. Control, vol. 58, no. 8, pp. 1651-1657, Aug 2011. Download PDF
• J. Ealo, J. Camacho, F. Seco , C. Fritsch, Ultrasonic Air-Coupled Inspection of Textile Materials Using Ferroelectret-Based Phased Arrays, Review of Progress in Quantitative NDE, University of Rhode Island, Kingston, USA, July 26-31, 2009. Download PDF
  
• J. Ealo, C. Prieto y F. Seco, Dynamic Response Estimation of Multilayer Ferroelectret-based Transducers using Lumped-Element Electromechanical Models, 2009 IEEE International Ultrasonics Symposium, Roma, Sept. 20-23, 2009. Download PDF.
• J. Ealo, F.Seco y J. Muñoz, Los ferroelectretos celulares y su potencial de aplicación en ultrasonidos en aire, IX Congreso Iberoamericano de Ingeniería Mecánica, Las Palmas de Gran Canaria, 17-20 noviembre de 2009. Download PDF
  
• J. Ealo, F. Seco, C. Prieto, A. R. Jiménez, J. Roa, Customizable Field Airborne Ultrasonic Transducers based on Electromechanical Film, 2008 IEEE International Ultrasonics Symposium (IUS), Beijing, China, 2-5 de noviembre de 2008 Download PDF
• J. Ealo, J. Camacho, C. Fritsch, F. Seco, J. Roa, A Fabrication Procedure for Airborne Ultrasonic Phased Arrays Based on Cellular Electromechanical Film, 2008 IEEE International Ultrasonics Symposium (IUS), Beijing, China, 2-5 de Noviembre de 2008 Download PDF
  
• J. Ealo, F. Seco, A.R. Jiménez Broadband EMFi-based transducers for ultrasonic air applications, IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 55 (4), pp. 919-928, 2008. Download PDF
  

   Micrometer Location Techniques

• A.R. Jiménez, J. Guevara, F. Seco, J.C. Prieto, J.J. Esteve, V. Mico y T. Molina, A Real-Time Tool Positioning Sensor for Machine-Tools, Sensors, vol. 9, no. 10, pp. 7622-7647 (2009). Download PDF.
  
• F. Seco, J. M. Martín and A. R. Jiménez, Improving the Accuracy of Magnetostrictive Linear Position Sensors, IEEE Trans. on Instrumentation and Measurement, vol. 58, no. 3, pp. 722-729 (2009) Download PDF
• V. Mico , J. Caballero, T. Molina, S. Simón, R. Bueno, A.R. Jiménez, L. Calderón, M. Calvache, F.Seco, Three-dimensional interferometric measurement system for machine tool on-line control Photonics Applications in Industry and Research IV, SPIE, Warsaw Univ. of Technology, Poland, pp.8 , 2005 Download PDF
• F. Seco, J. M. Martín, A. R. Jiménez y L. Calderón, A High Accuracy Magnetostrictive Linear Position Sensor, Sensors and Actuators A, 123-124 pp. 216-223, 2005. Download PDF.
• F. Seco, J. M. Martín, J.L. Pons, A. R. Jiménez, Hysteresis Compensation in a Magnetostrictive Linear Position Sensor, Sensors and Actuators A, 110 (1-3), pp.247-253, 2004 (Download PDF)

  Exploration

• A.R. Jiménez, F. Seco, A Short-range Ship Navigation System based on Ladar Imaging and Target Tracking for Improved Safety and Efficiency, IEEE Transactions on Intelligent Transportation Systems, vol. 10, no. 1, pp. 186-197, 2009. Download PDF
  
• A. Egaña, F. Seco, R. Ceres, Processing of ultrasonic echo envelopes for object location with nearby receivers, IEEE Trans. on Instrumentation and Measurement, vol. 57, no. 12, pp. 2751-2755 (2008) Download PDF
• F. Seco, A. R. Jiménez y M. D. del Castillo, Air coupled ultrasonic detection of surface defects in food cans, Measurement Science and Technology, vol. 17, pp.1409-1416, 2006. (Download PDF)
• F. Seco y A. R. Jiménez, Sistema de visión ultrasónica de los murciélagos, Seminario de Sistemas Inteligentes SSI 2006, pp. 31-45, Universidad Rey Juan Carlos, Madrid, 11 de mayo de 2006 Download PDF
  
• A.R. Jiménez, E. Laizola, F. Morgado, M. Calvache and F. Seco, A Computer Vision System for Estimating and Controlling the Weight of Glass Gobs during their Industrial Formation Process, Journal of Electronic Imaging , 13 (3), pp. 613-618, 2004. Download PDF.
• A.R. Jiménez, R. Ceres, J.L. Pons, A new adaptive filter and quality evaluation index for image restoration, Pattern Recognition, 34 (2), pp.457-467, 2001. Download PDF.
• A.R. Jiménez, R. Ceres, J.L. Pons, A vision system based on a laser range-finder applied to robotic fruit harvesting, Machine Vision and Applications, 11 pp.321-329, 2000. Download PDF.
• A.R. Jiménez, R. Ceres, J.L. Pons, A survey of computer vision methods for locating fruit on trees, Transaction of the ASAE, 43 (6), pp.1911-1920, 2000. Download PDF.
• A.R. Jiménez, A.K. Jain, R. Ceres, J.L. Pons, Automatic Fruit Recognition: A survey and new results using range-attenuation images Pattern Recognition, 32 (10), pp.1719-1736, 1999. Download PDF.