G. López Nicolás

PUBLICATIONS

Journal

G. López-Nicolás, C. Sagüés, J. J. Guerrero, D. Kragic, P. Jensfelt. Switching visual control based on epipoles for mobile robots. Robotics and Autonomous Systems, vol. 56, no. 7, pp. 592-603, 2008.(pdf)

J. de Matías, J. J. de Sanjosé, G. López-Nicolás, C. Sagüés, J. J. Guerrero. Photogrammetric methodology for the production of geomorphologic maps: application to the Veleta Rock Glacier (Sierra Nevada, Granada, Spain). Remote Sensing. vol. 1, no. 4, pp. 829-841, 2009.(Remote Sensing)

G. López-Nicolás, J. J. Guerrero, C. Sagüés. Visual control of vehicles using two-view geometry. Mechatronics, vol. 20, no. 2, pp. 315-325, 2010.(pdf)

G. López-Nicolás, J. J. Guerrero, C. Sagüés. Visual control through the trifocal tensor for nonholonomic robots. Robotics and Autonomous Systems, vol. 58, no. 2, pp. 216-226, 2010.(pdf)

G. López-Nicolás, J. J. Guerrero, C. Sagüés. Multiple homographies with omnidirectional vision for robot homing. Robotics and Autonomous Systems, vol. 58, no. 6, pp. 773-783, 2010.(pdf)

H. M. Becerra, G. López-Nicolás, C. Sagüés. Omnidirectional Visual Control of Mobile Robots based on the 1D Trifocal Tensor. Robotics and Autonomous Systems, vol. 58, no. 6, pp. 796-808, 2010.(pdf)

G. López-Nicolás, N. R. Gans, S. Bhattacharya, C. Sagüés, J. J. Guerrero, S. Hutchinson. Homography-based control scheme for mobile robots with nonholonomic and field-of-view constraints. IEEE Transactions on Systems, Man, and Cybernetics: Part B, vol. 10, no. 4, pp. 1115-1127, 2010.(pdf)

H. M. Becerra, G. López-Nicolás, C. Sagüés. A sliding mode control law for mobile robots, based on epipolar visual servoing from three views. IEEE Transactions on Robotics, vol. 27, no. 1, pp. 175-183, 2011.(pdf)

D. Paesa, C. Franco, S. Llorente, G. López-Nicolás, C. Sagüés. Reset observers applied to MIMO systems. Journal of Process Control, vol. 21, no. 4, pp. 613-619, 2011.(pdf)

G. López-Nicolás, C. Sagüés. Vision-based exponential stabilization of mobile robots. Autonomous Robots, vol. 30, pp. 293-306, 2011.(pdf) autonomousrobotsblog

D. Paesa, C. Franco, S. Llorente, G. López-Nicolás, C. Sagüés. Adaptive Simmering Control for Domestic Induction Cookers. IEEE Transactions on Industry Applications, vol. 47, no. 5, pp.2257-2267, 2011.(pdf)

D. Paesa, C. Franco, S. Llorente, G. López-Nicolás, C. Sagüés. Reset Adaptive Observer for a Class of Nonlinear Systems. IEEE Transactions on Automatic Control, vol. 57, no. 2, pp. 506-511, 2012.(pdf)

G. López-Nicolás, M. Aranda, Y. Mezouar, C. Sagüés. Visual control for multirobot organized rendezvous. IEEE Transactions on Systems, Man, and Cybernetics: Part B, vol. 42, no. 4, pp. 1155-1168, 2012.(pdf)

M. Aranda, G. López-Nicolás, C. Sagüés. Angle-based homing from a reference image set using the 1D trifocal tensor. Autonomous Robots, vol. 34, issue 1, pp. 73-91, 2013.(pdf)

M. Aranda, G. López-Nicolás, C. Sagüés. Sinusoidal input-based visual control for nonholonomic vehicles. Robotica, vol. 31, no. 5, pp. 811-823, 2013.(pdf)

G. López-Nicolás, J. Omedes, J. J. Guerrero. Spatial layout recovery from a single omnidirectional image and its matching-free sequential propagation. Robotics and Autonomous Systems, vol. 62, no. 9, pp, 1271-1281, 2014.(pdf)

G. López-Nicolás, C. Sagüés. Unitary torus model for conical mirror based catadioptric system. Computer Vision and Image Understanding, vol. 126, pp. 67-79, 2014.(pdf)

G. López-Nicolás, Y. Mezouar. Visual control of mobile robots. Robotics and Autonomous Systems, vol. 62, issue 11, pp. 1611-1612, 2014.(pdf), (Special Issue)

J. Bermúdez-Cameo, G. López-Nicolás, J. J. Guerrero. Automatic line extraction in uncalibrated omnidirectional cameras with revolution symmetry. International Journal of Computer Vision, vol. 114, issue 1, pp. 16-37, 2015.(pdf), (Matlab toolbox)

C. Franco, D. M. Stipanovic, G. López-Nicolás, C. Sagüés, S. Llorente. Persistent coverage control for a team of agents with collision avoidance. European Journal of Control, vol. 22, pp. 30-45, 2015.(pdf) videos

M. Aranda, G. López-Nicolás, C. Sagüés, M. M. Zavlanos. Coordinate-free formation stabilization based on relative position measurements. Automatica, vol. 57, pp. 11-20, 2015.(pdf)

M. Aranda, G. López-Nicolás, C. Sagüés, Y. Mezouar. Formation control of mobile robots using multiple aerial cameras. IEEE Transactions on Robotics, vol. 31, no. 4, pp. 1064-1071, 2015.(pdf)

C. Franco, G. López-Nicolás, C. Sagüés, S. Llorente. Adaptive action for multi-agent persistent coverage. Asian Journal of Control, vol. 18, no. 2, pp. 419–432, 2016.(pdf) videos

C. Paniagua, G. López-Nicolás, J. J. Guerrero. Wearable structured light system in non-rigid configuration. Journal of Imaging, vol. 2, 16, 2016.(pdf) jimaging

P. Artaso, G. López-Nicolás. Volume estimation of merchandise using multiple range cameras. Measurement, vol. 89, pp. 223-238, 2016.(pdf)

W. O. Achicanoy, C. F. Rodriguez, C. Sagüés, G. López-Nicolás. Epipole-based guidance for an autonomous glider. Journal of Guidance, Control, and Dynamics, vol. 39, no. 9, pp. 2073-2085, 2016.(pdf)

A. Aladrén, G. López-Nicolás, L. Puig, J. J. Guerrero. Navigation assistance for the visually impaired using RGB-D sensor with range expansion. IEEE Systems Journal, vol. 10, no. 3, pp. 922-932, 2016.(pdf)

M. Aranda, G. López-Nicolás, C. Sagüés, M. M. Zavlanos. Distributed formation stabilization using relative position measurements in local coordinates. IEEE Transactions on Automatic Control, vol. 61, no. 12, pp. 3925-3935, 2016.(pdf)

A. Pérez-Yus, D. Gutiérrez-Gómez, G. López-Nicolás, J.J. Guerrero. Stairs detection with odometry-aided traversal from a wearable RGB-D camera. Computer Vision and Image Understanding, vol. 154, pp. 192-205, 2017.(pdf)

Book and book chapter

G. López-Nicolás, J. J. Guerrero, O.A. Pellejero, C. Sagüés. Computing homographies from three lines or points in an image pair. In International Conference on Image Analysis and Processing, Lecture Notes in Computer Science 3617, pp. 446–453, September 2005.(pdf)

G. López-Nicolás, C. Sagüés, J. J. Guerrero. Automatic matching and motion estimation from two views of a multiplane scene. In Pattern Recognition and Image Analysis, Lecture Notes in Computer Science 3522, pp. 69–76, June 2005.(pdf)

G. López-Nicolás, C. Sagüés, J. J. Guerrero. Vision Systems, Shortest path homography-based visual control for differential drive robots, chapter 30, pp. 583–596. Edited by Goro Obinata and Ashish Dutta, I-Tech Education and Publishing, Vienna, Austria, 2007.(pdf) intechopen

M. Aranda, G. López-Nicolás, C. Sagüés. Control of multiple robots using vision sensors, Series: Advances in Industrial Control, Springer, 2017. springer.com

Conference

G. López-Nicolás, C. Sagüés, J. J. Guerrero, D. Kragic, P. Jensfelt. Nonholonomic epipolar visual servoing. In IEEE International Conference on Robotics and Automation, pp. 2378–2384, Orlando, Florida EEUU, May 2006.(pdf)

G. López-Nicolás, C. Sagüés and J.J. Guerrero. Control visual basado en geometría epipolar para robots móviles. XXVII Jornadas de Automática, pp. 962-969, Almería, España, September 2006.(pdf)

G. López-Nicolás, C. Sagüés, J. J. Guerrero. Homography-based visual control of nonholonomic vehicles. In IEEE International Conference on Robotics and Automation, pp. 1703–1708, Roma, Italia, April 2007.(pdf)

G. López-Nicolás, S. Bhattacharya, J. J. Guerrero, C. Sagüés, S. Hutchinson. Switched homography based visual control of differential drive vehicles with field-of-view constraints. In IEEE International Conference on Robotics and Automation, pp. 4238–4244, Roma, Italia, April 2007.(pdf)

G. López-Nicolás, C. Sagüés, J. J. Guerrero. Parking with the essential matrix without short baseline degeneracies. In IEEE International Conference on Robotics and Automation, pp. 1098-1103, Kobe, Japón, May 2009.(pdf)

G. López-Nicolás, M. Sfakiotakis, D. P. Tsakiris, A. A. Argyros, C. Sagüés, J. J. Guerrero. Visual homing for undulatory robotic locomotion. In IEEE International Conference on Robotics and Automation, Kobe, Japón, pp. 2629-2636, May 2009.(pdf)

M. Aranda, G. López-Nicolás, C. Sagüés.  Omnidirectional visual homing using the 1D trifocal tensor. In IEEE International Conference on Robotics and Automation, Anchorage, Alaska, USA, pp. 2444-2450, May 2010.(pdf)

D. Paesa, C. Franco, S. Llorente, G. López-Nicolás, C. Sagüés. Reset Adaptive Observers and Stability Properties. Mediterranean Conference on Control and Automation, pp. 1435-1440. Marrakech-Morocco, June 23-25, 2010.(pdf)

D. Paesa, C. Franco, S. Llorente, G. López-Nicolás, C. Sagüés. On robust PI Adaptive Observers for Nonlinear Uncertain Systems with Bounded Disturbances. Mediterranean Conference on Control and Automation, pp. 1031-1036. Marrakech-Morocco, June 23-25, 2010.(pdf)

G. López-Nicolás, C. Sagüés. Catadioptric camera model with conic mirror. Proceedings of the British Machine Vision Conference (BMVC), pp. 114.1-114.10. Aberystwyth, Reino Unido. September 2010.(pdf) bmvc

D. Paesa, C. Franco, S. Llorente, G. López-Nicolás, C. Sagüés. QFT-based robust simmering control for domestic induction cookers using an infrared sensor. IEEE Industry Applications Society Annual Meeting. Houston, Texas, EEUU. October 2010.(pdf)

G. López-Nicolás, Y. Mezouar, C. Sagüés. Homography-based multi-robot control with a flying camera. In IEEE International Conference on Robotics and Automation, pp. 4492-4497, Shangai, China, May 2011.(pdf)

J. Omedes, G. López-Nicolás and J. J. Guerrero. Omnidirectional Vision for Indoor Spatial Layout Recovery. The 12th International Conference on Intelligent Autonomous Systems, Jeju Island, Korea, June 26-29, 2012.(pdf)

W. Achicanoy, C. Sagüés, G. López-Nicolás, C. Rodríguez. Two-view epipole-based guidance control for autonomous unmanned aerial vehicles. In Proceedings of the 9th International Conference on Informatics in Control, Automation and Robotics, pp. 242-248, Rome, Italy, July 28-31, 2012.(pdf)

J. Omedes, G. López-Nicolás and J. J. Guerrero. Detección de suelo y paredes con visión monocular. XXXIII Jornadas de Automática. pp. 931-938, Vigo, Spain, September 5-7, 2012.(pdf)

M. Aranda, G. López-Nicolás, C. Sagüés. Planar motion estimation from 1D homographies. 12th International Conference on Control, Automation, Robotics and Vision (ICARCV 2012). pp. 329-334. Guangzhou, China, December 5-7, 2012.(pdf)

C. Franco, D. Paesa, G. López-Nicolás, C. Sagüés, S. Llorente. Hierarchical strategy for dynamic coverage. In IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2012), pp. 5341-5346, Vilamoura, Algarve, Portugal, October 7-12, 2012.(pdf)

J. Bermúdez-Cameo, G. López-Nicolás, J. J. Guerrero. A unified framework for line extraction in dioptric and catadioptric cameras. The 11th Asian Conference on Computer Vision (ACCV 2012). Daejeon, Korea, November 5-9, 2012.(pdf)

M. Aranda, Y. Mezouar, G. López-Nicolás, C. Sagüés. Partially distributed multirobot control with multiple cameras. American Control Conference (ACC 2013), pp. 6308-6314. Washington, DC, USA, June 17-19, 2013.(pdf)

J. Bermúdez-Cameo, G. López-Nicolás, J. J. Guerrero. Line extraction in uncalibrated central images with revolution symmetry. Proceedings of the British Machine Vision Conference (BMVC). Bristol, United Kingdom, September 9-13, 2013.(pdf) bmvc

M. Aranda, G. López-Nicolás, C. Sagüés. Controlling multiple robots through multiple 1D homographies. IEEE International Conference on Systems, Man, and Cybernetics (SMC 2013), pp. 589-594. Manchester, UK, October 13-16, 2013.(pdf)

C. Franco, G. López-Nicolás, C. Sagüés, S. Llorente. Persistent coverage control with variable coverage action in multi-robot environment. 52nd IEEE Conference on Decision and Control (CDC 2013), pp. 6055-6060. Florence, Italy, December 10-13, 2013.(pdf)

G. López-Nicolás, M. Aranda, C. Sagüés. Multi-robot formations: one homography to rule them all. ROBOT 2013: First Iberian Robotics Conference. Advances in Intelligent Systems and Computing, Springer 252, pp. 703-714, Madrid, Spain, November 28-29, 2013.(pdf)

J. Bermúdez-Cameo, G. López-Nicolás, J. J. Guerrero. Line-images in cone mirror catadioptric systems. 22nd International Conference on Pattern Recognition (ICPR), pp. 2083-2088, Stockholm, Sweden, August 24-28, 2014.(pdf)

P. Artaso, G. López-Nicolás. Estimación del volumen de mercancías en logística mediante múltiples cámaras de rango. XXXV Jornadas de Automática, pp. 243-250, Valencia, España, September 3-5, 2014.(pdf)

M. Aranda, G. López-Nicolás, C. Sagüés, M. M. Zavlanos. Three-dimensional multirobot formation control for target enclosing. In IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2014), pp. 357-362, Chicago, Illinois, USA, September 14-18, 2014.(pdf)

J. Bermúdez-Cameo, J. P. Barreto, G. López-Nicolás, J. J. Guerrero. Minimal solution for computing pairs of lines in non-central cameras. 12th Asian Conference on Computer Vision (ACCV 2014), Singapore, 1-5 November 2014. Springer International Publishing Switzerland. D. Cremers et al. (Eds.): ACCV 2014, Part I, LNCS 9003, pp. 1-13, 2015.(pdf)

A. Inogés, G. López-Nicolás, C. Sagüés, S. Llorente. Elastic hand contour matching in NIR images with a novel shape descriptor parametrization. IEEE Conference EUROCON 2015, Salamanca, Spain, September 8-11, 2015.(pdf)

J. J. Guerrero, A. Pérez-Yus, D. Gutiérrez-Gómez, A. Rituerto, G. López-Nicolás. Human navigation assistance with a RGB-D sensor. VI Congreso Internacional de Diseño, Redes de Investigación y Tecnología para todos (DRT4ALL), pp. 285-311, Madrid, España, September 23-25, 2015.(pdf)

G. López-Nicolás, E. Ozgur, Y. Mezouar. Image-based control of two mobile robots for object pushing. In IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2015), pp. 5472-5478, Hamburg, Germany, Sept. 28 - Oct. 2, 2015.(pdf)

M. Aranda, R. Aragüés, G. López-Nicolás, C. Sagüés. Connectivity-preserving formation stabilization of unicycles in local coordinates using minimum spanning tree. American Control Conference (ACC 2016), pp. 1968-1974. Boston, MA, USA, July 6-8, 2016.(pdf)

J. Bermúdez-Cameo, C. Demonceaux, G. López-Nicolás, J. J. Guerrero. Line reconstruction using prior knowledge in single non-central view. Proceedings of the British Machine Vision Conference (BMVC). York, United Kingdom, September 19-22, 2016.(pdf) bmvc

A. Pérez-Yus, G. López-Nicolás, J. J. Guerrero. Peripheral expansion of depth information via layout estimation with fisheye camera. European Conference on Computer Vision (ECCV 2016). Springer International Publishing AG 2016. B. Leibe et al. (Eds.): ECCV 2016, Part VIII, LNCS 9912, pp. 396–412, 2016. (pdf)

Workshop

M. Aranda, G. López-Nicolás, Y. Mezouar and C. Sagüés. One homography to control multiple robots. In Workshop on Visual Control of Mobile Robots (ViCoMoR) in conjunction with the IEEE/RSJ International Conference on Intelligent Robots and Systems, pp. 7-12. September 26, 2011, San Francisco, California, USA.(pdf)

H. M. Becerra, G. López-Nicolás and C. Sagüés. Weakly-calibrated visual control of mobile robots using the trifocal tensor and central cameras. In Workshop on Visual Control of Mobile Robots (ViCoMoR) in conjunction with the IEEE/RSJ International Conference on Intelligent Robots and Systems, pp. 27-32. September 26, 2011, San Francisco, California, USA.(pdf)

N. D. Ozisik, G. López-Nicolás and J. J. Guerrero. Scene Structure Recovery from a Single Omnidirectional Image. 2011 IEEE International Conference on Computer Vision Workshops. The 11th Workshop on Omnidirectional Vision, Camera Networks and Non-classical Cameras (OMNIVIS), pp. 359-366, November 7, 2011, Barcelona, Spain.(pdf)

G. López-Nicolás, H. M. Becerra, M. Aranda, C. Sagüés. Visual navigation by means of three view geometry. In ROBOT 2011, pp. 17-24. November 28-29, 2011. Sevilla, Spain.(pdf)

C. Franco, G. López-Nicolás, D. Stipanovic and C. Sagüés. Anisotropic vision-based coverage control for mobile robots. In 2nd Workshop on Visual Control of Mobile Robots (ViCoMoR 2012) in conjunction with the IEEE/RSJ International Conference on Intelligent Robots and Systems, pp. 31-36. October 11, 2012, Vilamoura, Algarve, Portugal.(pdf)

G. López-Nicolás, A. Aladrén, J. J. Guerrero. Wearable vision systems for personal guidance and enhanced assistance. In Workshop on Robotics Challenges and Vision (RCV2013) in conjunction with Robotics: Science and Systems, June 27, 2013, Berlin, Germany.(pdf)

A. Pérez-Yus, G. López-Nicolás, J. J. Guerrero. Detection and modelling of staircases using a wearable depth sensor. Second International Workshop on Assistive Computer Vision and Robotics (ACVR 2014) in Conjunction with European Conference on Computer Vision (ECCV 2014). Volume 8927 of the Lecture Notes in Computer Science series, 2015.(pdf)

Thesis

G. López-Nicolás. Visual control of mobile robots through multiple view geometry. PhD Dissertation, Universidad de Zaragoza. September 2008. Advisors: C. Sagüés and J.J. Guerrero.

H. M. Becerra. Unifying vision and control for mobile robots. PhD Dissertation, Universidad de Zaragoza. April 2011. Advisors: C. Sagüés and G. López-Nicolás.

D. Paesa. Reset observers and temperature control for induction hobs. PhD Dissertation, Universidad de Zaragoza. December 2011. Advisors: C. Sagüés and G. López-Nicolás.

M. Aranda. Vision-based control of multiple robots. PhD Dissertation, Universidad de Zaragoza. February 2015. Advisors: G. López-Nicolás.

C. Franco. Modeling, sensing and control of mobile cooking zones in induction cooktops. PhD Dissertation, Universidad de Zaragoza. May 2015. Advisors: C. Sagüés and G. López-Nicolás.

J. Bermúdez-Cameo. Line-projections in omnidirectional vision: Modelling, extraction and calibration in central and non-central cameras. PhD Dissertation, Universidad de Zaragoza. February 2016. Advisors: J. J. Guerrero and G. López-Nicolás.