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  • Photon-counting multifactor optical encryption and authentication  Open access

     Pérez Cabré, Elisabet; Mohammed, E. A.; Millan Garcia Varela, Maria Sagrario; Sadoon, H. L
    Journal of Optics
    Vol. 17, num. 2
    DOI: 10.1088/2040-8978/17/2/025706
    Date of publication: 2015-02-01
    Journal article
    Access to the full text
  • Generalized formulation of an encryption system based on a joint transform correlator and fractional Fourier transform  Open access

     Vilardy Ortiz, Juan Manuel; Torres, Yezid; Millan Garcia Varela, Maria Sagrario; Pérez Cabré, Elisabet
    Journal of Optics
    Vol. 16, num. 12
    DOI: 10.1088/2040-8978/16/12/125405
    Date of publication: 2014-12-01
    Journal article
    Access to the full text
  • Stereo-Acuity in Patients Implanted with Multifocal Intraocular Lenses: Is the Choice of Stereotest Relevant?  Open access

     Varon Puentes, Maria Consuelo; Gil Arnal, Miguel Ángel; Alba Bueno, Francisco; Cardona Torradeflot, Genis; Vega Lerin, Fidel; Millan Garcia Varela, Maria Sagrario; Buil Calvo, José Antonio
    Current eye research
    Vol. 39, num. 7, p. 711-719
    DOI: 10.3109/02713683.2013.865758
    Date of publication: 2014-07-01
    Journal article
    Access to the full text
  • Caracterización Óptica de Lentes Intraoculares

     Alba Bueno, Francisco
    Universitat Politècnica de Catalunya
    Theses
  • Estereopsis en pacientes implantados con lentes intraoculares multifocales: la influencia del test de medida

     Varon Puentes, Maria Consuelo; Gil Arnal, Miguel Ángel; Alba Bueno, Francisco; Cardona Torradeflot, Genis; Vega Lerin, Fidel; Millan Garcia Varela, Maria Sagrario; Buil Calvo, José Antonio
    Congreso Internacional de Optometría, Contactología y Óptica Oftálmica
    Presentation's date: 2014-04-05
    Presentation of work at congresses
  • Programmable diffractive lens for ophthalmic application  Open access

     Millan Garcia Varela, Maria Sagrario; Pérez Cabré, Elisabet; Romero Perez, Lenny Alexandra; Ramirez, Natalia
    Optical engineering
    Vol. 53, num. 6, p. 1-12
    DOI: 10.1117/1.OE.53.6.061709
    Date of publication: 2014-03-18
    Journal article
    Access to the full text
  • Nonlinear optical security system based on a joint transform correlator in the Fresnel domain  Open access

     Vilardy Ortiz, Juan Manuel; Millan Garcia Varela, Maria Sagrario; Pérez Cabré, Elisabet
    Applied optics
    Vol. 53, num. 8, p. 1674-1682
    DOI: 10.1364/AO.53.001674
    Date of publication: 2014-03-10
    Journal article
    Access to the full text
  • Energy efficiency of a new trifocal intraocular lens  Open access

     Vega Lerin, Fidel; Alba Bueno, Francisco; Millan Garcia Varela, Maria Sagrario
    Journal of the European Optical Society: rapid publications
    Vol. 9, p. 14002-1-14002-8
    DOI: 10.2971/jeos.2014.14002
    Date of publication: 2014-01-15
    Journal article
    Access to the full text
  • Restoration of retinal images with space-variant blur  Open access

     Marrugo Hernandez, Andrés Guillermo; Millan Garcia Varela, Maria Sagrario; Šorel, Michal; Šroubek, Filip
    Journal of biomedical optics
    Vol. 19, num. 1
    DOI: 10.1117/1.JBO.19.1.016023
    Date of publication: 2014-01-01
    Journal article
    Access to the full text
  • Images encryption system based on a fractional joint transform correlator and nonlinear filtering  Open access

     Vilardy Ortiz, Juan Manuel; Millan Garcia Varela, Maria Sagrario; Pérez Cabré, Elisabet
    Óptica pura y aplicada
    Vol. 47, num. 1, p. 35-41
    DOI: 10.7149/OPA.47.1.35
    Date of publication: 2014
    Journal article
    Access to the full text
  • Sistemas de profundidad de foco extendida y lentes intraoculares multifocales para la salud visual

     Pérez Cabré, Elisabet; Escofet Soteras, Jaume; Rallo Capdevila, Miguel; Vega Lerin, Fidel; Varon Puentes, Maria Consuelo; Jaroszewicz, Zbigniew; Cardona Torradeflot, Genis; Marrugo Hernandez, Andrés Guillermo; Kolodziejczyk, Andrzej; Millan Garcia Varela, Maria Sagrario
    Competitive project
  • Elementos ópticos difractivos programables con aplicabilidad en óptica oftálmica

     Romero Perez, Lenny Alexandra
    Department of Optics and Optometry, Universitat Politècnica de Catalunya
    Theses
  • Comprehensive Retinal Image Analysis: Image Processing and Feature Extraction Techniques Oriented to the Clinical Task  Open access

     Marrugo Hernandez, Andrés Guillermo
    Universitat Politècnica de Catalunya
    Theses
  • Experiment design for through-focus intraocular lens testing in optical bench

     Millan Garcia Varela, Maria Sagrario; Alba Bueno, Francisco; Vega Lerin, Fidel
    Iberoamerican Conference on Optics, Latinamerican meeting on Optics Lasers and Applications
    Presentation's date: 2013-07-22
    Presentation of work at congresses
  • Static and dynamic amplitude modulation of light in a twisted nematic liquid crystal display

     Vilardy Ortiz, Juan Manuel; Millan Garcia Varela, Maria Sagrario; Pérez Cabré, Elisabet
    Iberoamerican Conference on Optics, Latinamerican meeting on Optics Lasers and Applications
    p. 87853O-1-87853O-8
    DOI: 10.1117/12.2020913
    Presentation's date: 2013-07-21
    Presentation of work at congresses
  • Ophthalmic compensation of visual ametropia based on a programmable diffractive lens

     Millan Garcia Varela, Maria Sagrario; Pérez Cabré, Elisabet; Romero Perez, Lenny Alexandra; Ramirez, Natalia
    Iberoamerican Conference on Optics, Latinamerican meeting on Optics Lasers and Applications
    DOI: 10.1117/12.2025472
    Presentation's date: 2013-07
    Presentation of work at congresses
  • Blind restoration of retinal images degraded by space-variant blur with adaptive blur estimation

     Marrugo Hernandez, Andrés Guillermo; Millan Garcia Varela, Maria Sagrario; Šorel, Michal; Šroubek, Filip
    Iberoamerican Conference on Optics, Latinamerican meeting on Optics Lasers and Applications
    DOI: 10.1117/12.2025134
    Presentation's date: 2013-07
    Presentation of work at congresses
  • Experiment design for through-focus testing of intraocular lenses

     Millan Garcia Varela, Maria Sagrario; Alba Bueno, Francisco; Vega Lerin, Fidel
    Iberoamerican Conference on Optics, Latinamerican meeting on Optics Lasers and Applications
    DOI: 10.1117/12.2025474
    Presentation's date: 2013-07
    Presentation of work at congresses
  • Joint transform correlator-based encryption system using the Fresnel transform and nonlinear filtering

     Vilardy Ortiz, Juan Manuel; Millan Garcia Varela, Maria Sagrario; Pérez Cabré, Elisabet
    Iberoamerican Conference on Optics, Latinamerican meeting on Optics Lasers and Applications
    DOI: 10.1117/12.2020912
    Presentation's date: 2013-07
    Presentation of work at congresses
  • Journal of Optics Highlights of 2012

     Millan Garcia Varela, Maria Sagrario
    Award or recognition
  • Improved decryption quality and security of a joint transform correlator-based encryption system  Open access

     Vilardy, Juan Manuel; Millan Garcia Varela, Maria Sagrario; Pérez Cabré, Elisabet
    Journal of Optics
    Vol. 15, num. 2
    DOI: 10.1088/2040-8978/15/2/025401
    Date of publication: 2012-12-06
    Journal article
    Access to the full text
  • Advanced optical correlation and digital methods for pattern matching—50th anniversary of Vander Lugt matched filter

     Millan Garcia Varela, Maria Sagrario
    Journal of Optics
    Vol. 14, num. 10
    DOI: 10.1088/2040-8978/14/10/103001
    Date of publication: 2012-10-03
    Journal article
  • Mejora del nivel de seguridad y de la calidad de la imagen desencriptada en un sistema de encriptación basado en un correlador de transformadas conjuntas  Open access

     Vilardy, Juan Manuel; Millan Garcia Varela, Maria Sagrario; Pérez Cabré, Elisabet
    Reunión Nacional de Óptica
    p. 62-65
    Presentation's date: 2012-09-04
    Presentation of work at congresses
  • Medida del índice de modulación de tejidos textiles transparentes a partir de la MTF

     Escofet Soteras, Jaume; Mitja, Carles; Rallo Capdevila, Miguel; Millan Garcia Varela, Maria Sagrario
    Reunión Nacional de Óptica
    p. 449-452
    Presentation's date: 2012-09-04
    Presentation of work at congresses
  • Photon-counting double-random-phase encoding for secure image verification and retrieval  Open access

     Pérez Cabré, Elisabet; Abril Baez, Hector C.; Millan Garcia Varela, Maria Sagrario; Javidi, Bahram
    Journal of Optics
    Vol. 14, num. 9, p. 2-12
    DOI: 10.1088/2040-8978/14/9/094001
    Date of publication: 2012-09
    Journal article
    Access to the full text
  • Stereo-acuity in patients symmetrically implanted with multifocal intraocular lenses

     Gil Arnal, Miguel Ángel; Varon Puentes, Maria Consuelo; Alba Bueno, Francisco; Vega Lerin, Fidel; Cardona Torradeflot, Genis; Millan Garcia Varela, Maria Sagrario; Buil Calvo, José Antonio
    The International Society of Presbyopia
    Presentation's date: 2012-09
    Presentation of work at congresses
  • Expected Visual Acuity and Depth of Focus with spherical and aspheric Intraocular Lenses

     Alba Bueno, Francisco; Vega Lerin, Fidel; Millan Garcia Varela, Maria Sagrario; Navarro Belsue, Rafael
    European Meeting on Visual and Physiological Optics
    Presentation's date: 2012-08-20
    Presentation of work at congresses
  • Anisotropy-based robust focus measure for non-mydriatic retinal imaging

     Marrugo Hernandez, Andrés Guillermo; Millan Garcia Varela, Maria Sagrario; Cristobal, Gabriel; Gabarda, Salvador; Abril Baez, Hector C.
    Journal of biomedical optics
    Vol. 17, num. 7, p. 1-10
    DOI: 10.1117/1.JBO.17.7.076021 Text S
    Date of publication: 2012-07-17
    Journal article
  • Toward computer-assisted diagnosis and telemedicine in ophthalmology

     Marrugo Hernandez, Andrés Guillermo; Millan Garcia Varela, Maria Sagrario; Cristobal, Gabriel; Gabarda, Salvador; Šorel, Michal; Šroubek, Filip
    SPIE Newsroom
    p. 1-3
    DOI: 10.1117/2.1201205.004256
    Date of publication: 2012-06-08
    Journal article
  • Double peacock eye optical element for extended focal depth imaging with ophthalmic applications

     Romero Perez, Lenny Alexandra; Millan Garcia Varela, Maria Sagrario; Jaroszewicz, Zbigniew; Kolodziejczyk, Andrzej
    Journal of biomedical optics
    Vol. 17, num. 4, p. 1-9
    DOI: 10.1117/1.JBO.17.4.046013
    Date of publication: 2012-04-27
    Journal article
  • Extended focal depth imaging using single and double peacock eye phase diffractive elements

     Romero Perez, Lenny Alexandra; Millan Garcia Varela, Maria Sagrario; Jaroszewicz, Zbigniew; Kolodziejczyk, Andrzej
    Proceedings of SPIE, the International Society for Optical Engineering
    Vol. 8429, num. 84291R, p. 1-9
    DOI: 10.1117/12.923028
    Date of publication: 2012
    Journal article
  • Image Analysis in Modern Ophthalmology: From Acquisition to Computer Assisted Diagnosis and Telemedicine

     Marrugo Hernandez, Andrés Guillermo; Millan Garcia Varela, Maria Sagrario; Cristobal, Gabriel; Gabarda, Salvador; Šorel, Michal; Šroubek, Filip
    Proceedings of SPIE, the International Society for Optical Engineering
    Vol. 8436
    DOI: 10.1117/12.921299
    Date of publication: 2012
    Journal article
  • View-through characterization of translucent fabrics based on opto-digital image analysis

     Escofet Soteras, Jaume; Mitja, Carles; Rallo Capdevila, Miguel; Millan Garcia Varela, Maria Sagrario
    Proceedings of SPIE, the International Society for Optical Engineering
    Vol. 8436
    DOI: 10.1117/12.922329
    Date of publication: 2012
    Journal article
  • Retinal image restoration by means of blind deconvolution

     Marrugo Hernandez, Andrés Guillermo; Millan Garcia Varela, Maria Sagrario; Šorel, Michal; Šroubek, Filip
    Journal of biomedical optics
    Vol. 16, num. 11
    DOI: 10.1117/1.3652709
    Date of publication: 2011-10-31
    Journal article
  • No-reference quality metrics for eye fundus imaging

     Marrugo Hernandez, Andrés Guillermo; Millan Garcia Varela, Maria Sagrario; Cristobal, Gabriel; Gabarda, Salvador; Abril Baez, Hector C.
    International Conference on Computer Analysis of Images and Patterns
    p. 486-493
    DOI: 10.1007/978-3-642-23672-3
    Presentation's date: 2011-08-30
    Presentation of work at congresses
  • Energy balance in apodized diffractive multifocal intraocular lenses

     Alba Bueno, Francisco; Vega Lerin, Fidel; Millan Garcia Varela, Maria Sagrario
    General Congress of the International Commission for Optics (ICO)
    DOI: doi:10.1117/12.902895
    Presentation's date: 2011-08-15
    Presentation of work at congresses
  • Energy Distribution between Distance and Near Images in Apodized Diffractive Multifocal Intraocular Lenses  Open access

     Vega Lerin, Fidel; Alba Bueno, Francisco; Millan Garcia Varela, Maria Sagrario
    Investigative ophthalmology and visual science
    Vol. 52, num. 8, p. 5695-5701
    DOI: 10.1167/iovs.10-7123
    Date of publication: 2011-07
    Journal article
    Access to the full text
  • Assessment of the quality of multifocal intraocular lenses through contrast measurements

     Alba Bueno, Francisco; Vega Lerin, Fidel; Millan Garcia Varela, Maria Sagrario
    Engeenering the Eye
    Presentation's date: 2011-06-09
    Presentation of work at congresses
  • Optical Data Encryption

     Millan Garcia Varela, Maria Sagrario; Pérez Cabré, Elisabet
    DOI: 10.1002/9783527635245
    Date of publication: 2011
    Book chapter
    Image
  • Optical Data Encryption. Supplements

     Millan Garcia Varela, Maria Sagrario; Pérez Cabré, Elisabet
    DOI: 10.1002/9783527635245
    Date of publication: 2011
    Book chapter
    Image
  • New trends in intraocular lens imaging  Open access

     Millan Garcia Varela, Maria Sagrario; Alba Bueno, Francisco; Vega Lerin, Fidel
    Proceedings of SPIE, the International Society for Optical Engineering
    Vol. 8011, p. 80119I-1-80119I-8
    DOI: 10.1117/12.903389
    Date of publication: 2011
    Journal article
    Access to the full text
  • Defocus correction in the optical system of the eye: unconventional degrees of freedom

     Alba Bueno, Francisco; Millan Garcia Varela, Maria Sagrario
    Journal of biomedical optics
    Vol. 16, num. 1, p. 1-8
    DOI: 10.1117/1.3528619
    Date of publication: 2011-01
    Journal article
  • Energy balance in apodized diffractive multifocal intraocular lenses  Open access

     Alba Bueno, Francisco; Vega Lerin, Fidel; Millan Garcia Varela, Maria Sagrario
    Proceedings of SPIE, the International Society for Optical Engineering
    Vol. 8011, p. 80119G-1-80119G-10
    DOI: 10.1117/12.902895
    Date of publication: 2011
    Journal article
    Access to the full text
  • Design of a test bench for intraocular lens optical characterization

     Alba Bueno, Francisco; Vega Lerin, Fidel; Millan Garcia Varela, Maria Sagrario
    Journal of physics: conference series
    Vol. 274, p. 1-7
    DOI: doi:10.1088/1742-6596/274/1/012105
    Date of publication: 2011
    Journal article
  • New trends in intraocular lens imaging

     Millan Garcia Varela, Maria Sagrario; Alba Bueno, Francisco; Vega Lerin, Fidel
    Congress of the International Commission for Optics
    DOI: 10.1117/12.903389
    Presentation's date: 2011
    Presentation of work at congresses
  • Multichannel Blind Deconvolution in Eye Fundus Imaging  Open access

     Marrugo Hernandez, Andrés Guillermo; Šorel, Michal; Šroubek, Filip; Millan Garcia Varela, Maria Sagrario
    International Symposium on Applied Sciences in Biomedical and Communication Technologies
    p. 1-5
    DOI: 10.1145/2093698.2093705
    Presentation's date: 2011
    Presentation of work at congresses
    Access to the full text
  • Information compression for remote readable ID tags  Open access

     Horrillo, Sergi; Pérez Cabré, Elisabet; Millan Garcia Varela, Maria Sagrario
    Journal of Optics
    Vol. 12, p. 1-10
    DOI: 10.1088/2040-8978/12/11/115404
    Date of publication: 2010-10-29
    Journal article
    Access to the full text
  • Agudeza visual, sensibilidad al contraste, calidad visual y calidad de vida en pacientes con implante de lentes bifocales

     Varon Puentes, Maria Consuelo; Cardona Torradeflot, Genis; Alba Bueno, Francisco; Vega Lerin, Fidel; Millan Garcia Varela, Maria Sagrario; Gil Arnal, Miguel Ángel; Roselló Silvestre, Noemí; Buil Calvo, José Antonio
    Congreso de la Sociedad Española de Oftalmología
    Presentation's date: 2010-10-22
    Presentation of work at congresses
  • Design of a test bench for intraocular lens optical characterization

     Alba Bueno, Francisco; Vega Lerin, Fidel; Millan Garcia Varela, Maria Sagrario
    Reunión Iberoamericana de Óptica, Encuentro Latinoamericano de Óptica, Láseres y Aplicaciones
    Presentation's date: 2010-09-21
    Presentation of work at congresses
  • Spherical lens versus aspheric artificial cornea for intraocular lens testing

     Vega Lerin, Fidel; Millan Garcia Varela, Maria Sagrario; Wells, Benjamin
    Optics letters
    Vol. 35, num. 10, p. 1539-1541
    Date of publication: 2010-05-15
    Journal article