BECAS
VELEZ ZEA Alejandro
artículos
ZEA, ALEJANDRO VELEZ; AMADO, ASTRID LORENA VILLAMIZAR; TEBALDI, MYRIAN; TORROBA, ROBERTO
Alternative representation for optimized phase compression in holographic data
OSA Continuum; Lugar: Washington; Año: 2019 vol. 2
VÉLEZ ZEA, ALEJANDRO; TORROBA, ROBERTO
Compression protocol for optimized random phase color holographic videos by delta encoding
Journal of Optics; Lugar: Londres; Año: 2019 vol. 21
ZEA, ALEJANDRO VELEZ; RAMÍREZ, JOHN FREDY BARRERA; TORROBA, ROBERTO
Secure real-time generation and display of color holographic movies
OPTICS AND LASERS IN ENGINEERING; Año: 2019 vol. 122 p. 239 - 244
JARAMILLO, ALEXIS; BARRERA, JOHN FREDY; ZEA, ALEJANDRO VÉLEZ; TORROBA, ROBERTO
Fractional optical cryptographic protocol for data containers in a noise-free multiuser environment
OPTICS AND LASERS IN ENGINEERING; Año: 2018 vol. 102 p. 119 - 125
TREJOS, SORAYDA; RAMIREZ, JOHN FREDY BARRERA; ZEA, ALEJANDRO VELEZ; TEBALDI, MYRIAN; TORROBA, ROBERTO
Compression of multiple 3D color scenes with experimental recording and reconstruction
OPTICS AND LASERS IN ENGINEERING; Año: 2018 vol. 110 p. 18 - 23
ZEA, ALEJANDRO VELEZ; BARRERA, JOHN FREDY; TORROBA, ROBERTO
Cross-talk free selective reconstruction of individual objects from multiplexed optical field data
OPTICS AND LASERS IN ENGINEERING; Año: 2018 vol. 100 p. 90 - 97
ZEA, ALEJANDRO VELEZ; BARRERA RAMIREZ, JOHN FREDY; TORROBA, ROBERTO
Optimized random phase only holograms
OPTICS LETTERS; Año: 2018 vol. 43
VELEZ ZEA, ALEJANDRO; BARRERA RAMIREZ, JOHN FREDY; TORROBA, ROBERTO
Optimized random phase encryption
OPTICS LETTERS; Lugar: Washington; Año: 2018 vol. 43 p. 3558 - 3561
OSORIO, JOHN ALEXIS JARAMILLO; RAMÍREZ, JOHN FREDY BARRERA; MONTOYA, SANTIAGO; MIRA-AGUDELO, ALEJANDRO; ZEA, ALEJANDRO VELEZ; TORROBA, ROBERTO
Experimental noise-free information recovery via reference beam encryption
SPIE; Lugar: San Diego; Año: 2018 vol. 10
ZEA, ALEJANDRO VELEZ; BARRERA, JOHN FREDY; TORROBA, ROBERTO
Experimental optical encryption of grayscale information
Applied Optics; Lugar: Washington; Año: 2017 vol. 56 p. 5883 - 5889
ZEA, ALEJANDRO VÉLEZ; BARRERA, JOHN FREDY; TORROBA, ROBERTO
Innovative speckle noise reduction procedure in optical encryption
Journal of Optics; Año: 2017 vol. 19
ZEA, ALEJANDRO VELEZ; BARRERA, JOHN FREDY; TORROBA, ROBERTO
Cryptographic salting for security enhancement of double random phase encryption schemes
Journal of Optics; Año: 2017 vol. 19
ALEJANDRO VÉLEZ ZEA; JOHN FREDY BARRERA; ROBERTO TORROBA
Three-dimensional joint transform correlator cryptosystem
OPTICS LETTERS; Lugar: Washington; Año: 2016 vol. 41 p. 599 - 602
TREJOS, SORAYDA; BARRERA, JOHN FREDY; VELEZ, ALEJANDRO; TEBALDI, MYRIAN; TORROBA, ROBERTO
Optical approach for the efficient data volume handling in experimentally encrypted data
Journal of Optics (United Kingdom); Año: 2016 vol. 18
RAMÍREZ, JOHN FREDY BARRERA; OSORIO, ALEXIS JARAMILLO; ZEA, ALEJANDRO VÉLEZ; TORROBA, ROBERTO
Experimental analysis of a joint free space cryptosystem
OPTICS AND LASERS IN ENGINEERING; Año: 2016 vol. 83 p. 126 - 130
ZEA, ALEJANDRO VÉLEZ; BARRERA, JOHN FREDY; TORROBA, ROBERTO
Customized data container for improved performance in optical cryptosystems
Journal of Optics (United Kingdom); Año: 2016 vol. 18
VELEZ, ALEJANDRO; BARRERA, JOHN FREDY; TREJOS, SORAYDA; TEBALDI, MYRIAN; TORROBA, ROBERTO
Optical field data compression by opto-digital means
Journal of Optics (United Kingdom); Año: 2016 vol. 18
ALEJANDRO VÉLEZ ZEA; JOHN FREDY BARRERA; ROBERTO TORROBA
One-step reconstruction of assembled 3D holographic scenes
OPTICS AND LASER TECHNOLOGY; Lugar: Amsterdam; Año: 2015 vol. 75 p. 146 - 150
JOHN FREDY BARRERA; ALEJANDRO VÉLEZ ZEA; ROBERTO TORROBA
Experimental scrambling and noise reduction applied to the optical encryption of QR codes
OPTICS EXPRESS; Lugar: Washington; Año: 2014 vol. 22
ZEA, ALEJANDRO VELEZ; BARRERA, JOHN FREDY; TORROBA, ROBERTO
Multiplexing three-dimensional optically encrypted data
Optics InfoBase Conference Papers; Lugar: Washington; Año: 2014
JOHN FREDY BARRERA; ALEJANDRO VÉLEZ ZEA; ROBERTO TORROBA
Experimental multiplexing protocol to encrypt messages of any length
Journal of Optics; Año: 2013 vol. 15 p. 55404 - 55410