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1

Secure selective recovery protocol for multiple optically encrypted data

Jaramillo-Osorio, Alexis, Velez-Zea, Alejandro, Mira-Agudelo, Alejandro, Barrera-RamÃrez, John Fredy, Torroba, Roberto

Journal:

Optics and Lasers in Engineering

Year:

2021

File:

PDF, 2.13 MB

2021

2

Optimized random phase only holograms

Zea, Alejandro Velez, Barrera Ramirez, John Fredy, Torroba, Roberto

Journal:

Year:

2018

Language:

english

File:

PDF, 2.17 MB

english, 2018

3

A technical, economical and market review of organic Rankine cycles for the conversion of low-grade heat for power generation

Fredy Vélez, José J. Segovia, M. Carmen Martín, Gregorio Antolín, Farid Chejne, Ana Quijano

Journal:

Renewable and Sustainable Energy Reviews

Year:

2012

Language:

english

File:

PDF, 2.23 MB

english, 2012

4

Effect of Lithium Salt in Nanostructured Silica-Polyethylene Glycol Solid Electrolytes for Li-Ion Battery Applications

Vélez, John Fredy, Aparicio, Mario, Mosa, Jadra

Journal:

The Journal of Physical Chemistry C

Year:

2016

Language:

english

File:

PDF, 3.38 MB

english, 2016

5

Cross-talk free selective reconstruction of individual objects from multiplexed optical field data

Zea, Alejandro Velez, Barrera, John Fredy, Torroba, Roberto

Journal:

Optics and Lasers in Engineering

Year:

2018

Language:

english

File:

PDF, 2.41 MB

english, 2018

6

The intelligence service in Costa Rica: Between the new and the old paradigm

Méndez-Coto, Marco Vinicio, Rivera Vélez, Fredy

Journal:

The International Journal of Intelligence, Security, and Public Affairs

Year:

2018

Language:

english

File:

PDF, 1.39 MB

english, 2018

7

Compression of multiple 3D color scenes with experimental recording and reconstruction

Trejos, Sorayda, Ramirez, John Fredy Barrera, Zea, Alejandro Velez, Tebaldi, Myrian, Torroba, Roberto

Journal:

Optics and Lasers in Engineering

Year:

2018

Language:

english

File:

PDF, 1.85 MB

english, 2018

8

Optimized random phase encryption

Velez Zea, Alejandro, Barrera Ramirez, John Fredy, Torroba, Roberto

Journal:

Year:

2018

Language:

english

File:

PDF, 1.96 MB

english, 2018

9

Thermodynamic analysis of R134a in an Organic Rankine Cycle for power generation from low temperature sources

Vélez, Fredy, Chejne, Farid, Quijano, Ana

Journal:

Year:

2014

Language:

english

File:

PDF, 853 KB

english, 2014

10

Kinetic properties of DM-nitrophen and calcium indicators: rapid transient response to flash photolysis

Ariel L. Escobar, Patricio Velez, Albert M. Kim, Fredy Cifuentes, Michael Fill, J. L. Vergara

Journal:

Pflügers Archiv European Journal of Physiology

Year:

1997

Language:

english

File:

PDF, 902 KB

english, 1997

11

Effects of connection of electrical and mechanical potentials in inverse osmosis processes

Farid Cortés, Farid Chejne, David Chejne, Fredy Vélez, Carlos Londoño

Journal:

Energy Conversion and Management

Year:

2009

Language:

english

File:

PDF, 379 KB

english, 2009

12

Theoretical analysis of a transcritical power cycle for power generation from waste energy at low temperature heat source

Fredy Vélez, Farid Chejne, Gregorio Antolin, Ana Quijano

Journal:

Energy Conversion and Management

Year:

2012

Language:

english

File:

PDF, 1.14 MB

english, 2012

13

Low temperature heat source for power generation: Exhaustive analysis of a carbon dioxide transcritical power cycle

Fredy Vélez, José Segovia, Farid Chejne, Gregorio Antolín, Ana Quijano, M. Carmen Martín

Journal:

Year:

2011

Language:

english

File:

PDF, 948 KB

english, 2011

14

Comparative study of working fluids for a Rankine cycle operating at low temperature

Fredy Vélez, José J. Segovia, M. Carmen Martín, Gregorio Antolín, Farid Chejne, Ana Quijano

Journal:

Fuel Processing Technology

Year:

2012

Language:

english

File:

PDF, 913 KB

english, 2012

15

Ejercicio físico y depresión en adultos mayores: una revisión sistemática

Patiño Villada, Fredy Alonso, Arango Vélez, Elkin Fernando, Baena, Lucidia Zuleta

Journal:

Revista Colombiana de Psiquiatría

Year:

2013

File:

PDF, 287 KB

2013

16

Experimental multiplexing protocol to encrypt messages of any length

Barrera, John Fredy, Vélez, Alejandro, Torroba, Roberto

Journal:

Journal of Optics (IOPscience)

Year:

2013

Language:

english

File:

PDF, 1.08 MB

english, 2013

17

Experimental scrambling and noise reduction applied to the optical encryption of QR codes

Barrera, John Fredy, Vélez, Alejandro, Torroba, Roberto

Journal:

Year:

2014

Language:

english

File:

PDF, 1.64 MB

english, 2014

18

One-step reconstruction of assembled 3D holographic scenes

Velez Zea, Alejandro, Barrera-Ramírez, John Fredy, Torroba, Roberto

Journal:

Optics & Laser Technology

Year:

2015

Language:

english

File:

PDF, 1.45 MB

english, 2015

19

Three-dimensional joint transform correlator cryptosystem

Zea, Alejandro Velez, Barrera Ramirez, John Fredy, Torroba, Roberto

Journal:

Year:

2016

Language:

english

File:

PDF, 1.66 MB

english, 2016

20

Optical approach for the efficient data volume handling in experimentally encrypted data

Trejos, Sorayda, Barrera, John Fredy, Velez, Alejandro, Tebaldi, Myrian, Torroba, Roberto

Journal:

Journal of Optics (IOPscience)

Year:

2016

Language:

english

File:

PDF, 1.29 MB

english, 2016

21

Experimental analysis of a joint free space cryptosystem

Ramírez, John Fredy Barrera, Osorio, Alexis Jaramillo, Zea, Alejandro Vélez, Torroba, Roberto

Journal:

Optics and Lasers in Engineering

Year:

2016

Language:

english

File:

PDF, 1.16 MB

english, 2016

22

Alemtuzumab en trasplante renal pediátrico: experiencia de 5 años en el Hospital Pablo Tobón Uribe de Medellín, Colombia

Vélez-Echeverri, Catalina, Guerrero-Tinoco, Gustavo Adolfo, Villafañe-Bermúdez, Douglas Ramón, Nieto-Ríos, John Fredy, Serna-Higuita, Lina María, Serna-Campuzano, Angélica, Vanegas-Ruiz, Juan José

Journal:

Year:

2016

File:

PDF, 491 KB

2016

23

Customized data container for improved performance in optical cryptosystems

Zea, Alejandro Vélez, Barrera, John Fredy, Torroba, Roberto

Journal:

Journal of Optics (IOPscience)

Year:

2016

Language:

english

File:

PDF, 1.62 MB

english, 2016

24

Innovative speckle noise reduction procedure in optical encryption

Zea, Alejandro Vélez, Barrera, John Fredy, Torroba, Roberto

Journal:

Journal of Optics (IOPscience)

Year:

2017

Language:

english

File:

PDF, 1.07 MB

english, 2017

25

Alemtuzumab in paediatric kidney transplantation, five years’ experience at the Pablo Tobón Uribe Hospital in Medellín, Colombia

Vélez-Echeverri, Catalina, Guerrero-Tinoco, Gustavo Adolfo, Villafañe-Bermúdez, Douglas Ramón, Nieto-Ríos, John Fredy, Serna-Higuita, Lina María, Serna-Campuzano, Angélica, Vanegas-Ruiz, Juan José

Journal:

Nefrología (English Edition)

Year:

2016

Language:

english

File:

PDF, 658 KB

english, 2016

26

Optical field data compression by opto-digital means

Velez, Alejandro, Barrera, John Fredy, Trejos, Sorayda, Tebaldi, Myrian, Torroba, Roberto

Journal:

Journal of Optics (IOPscience)

Year:

2016

Language:

english

File:

PDF, 1.21 MB

english, 2016

27

Malakoplakia after kidney transplantation: Case report and literature review

Nieto-Ríos, John Fredy, Ramírez, Isabel, Zuluaga-Quintero, Mónica, Serna-Higuita, Lina María, Gaviria-Gil, Federico, Velez-Hoyos, Alejandro

Journal:

Transplant Infectious Disease

Year:

2017

Language:

english

File:

PDF, 2.00 MB

english, 2017

28

Cryptographic salting for security enhancement of double random phase encryption schemes

Velez Zea, Alejandro, Barrera, John Fredy, Torroba, Roberto

Journal:

Journal of Optics (IOPscience)

Year:

2017

Language:

english

File:

PDF, 776 KB

english, 2017

29

Fractional optical cryptographic protocol for data containers in a noise-free multiuser environment

Jaramillo, Alexis, Barrera, John Fredy, Zea, Alejandro Vélez, Torroba, Roberto

Journal:

Optics and Lasers in Engineering

Year:

2018

Language:

english

File:

PDF, 1.87 MB

english, 2018

30

Selecting working fluids in an organic Rankine cycle for power generation from low temperature heat sources

Journal:

Year:

2014

Language:

english

File:

PDF, 1.27 MB

english, 2014

31

Experimental optical encryption of grayscale information

Zea, Alejandro Velez, Barrera, John Fredy, Torroba, Roberto

Journal:

Year:

2017

Language:

english

File:

PDF, 764 KB

english, 2017

32

Improved decryption quality with a random reference beam cryptosystem

Jaramillo Osorio, Alexis, Ramírez, John Fredy Barrera, Montoya, Santiago, Mira-Agudelo, Alejandro, Zea, Alejandro Vélez, Torroba, Roberto

Journal:

Optics and Lasers in Engineering

Year:

2019

Language:

english

File:

PDF, 2.32 MB

english, 2019

33

La lipocalina asociada con la gelatinasa de neutrófilos como factor temprano de predicción de la función retardada del injerto renal

Nieto-Ríos, John Fredy, Serna-Higuita, Lina Maria, Ocampo-Kohn, Catalina, Aristizábal-Alzate, Arbey, Vélez-Echeverry, Catalina, Vanegas-Ruiz, Juan José, Bedoya, Ana María, Lopera, Sandra Lucía, Rojano

Journal:

Year:

2016

File:

PDF, 219 KB

2016

34

[IEEE 2018 IEEE World Engineering Education Conference (EDUNINE) - Buenos Aires, Argentina (2018.3.11-2018.3.14)] 2018 IEEE World Engineering Education Conference (EDUNINE) - The Participative Action of the Research Group of the Universidad Politecnica Salesiana as a Connection to the Vinculation with Society Throught the Educative Innovation

Luis, Serpa-Andrade, Fredy, Rivera-Calle, Eduardo, Pinos-Velez

Year:

2018

Language:

english

File:

PDF, 7 KB

english, 2018

35

Secure real-time generation and display of color holographic movies

Zea, Alejandro Velez, Ramírez, John Fredy Barrera, Torroba, Roberto

Journal:

Optics and Lasers in Engineering

Year:

2019

Language:

english

File:

PDF, 1.53 MB

english, 2019

36

Presence of American cutaneous leishmaniasis vectors surrounding the city of Medellín, Colombia

Agudelo, Luz A, Uribe, Jaime, Sierra, Diana, Ruíz, Fredy, Vélez, Iván D

Journal:

Memórias do Instituto Oswaldo Cruz

Year:

2002

Language:

english

File:

PDF, 35 KB

english, 2002

37

Blend Hybrid Solid Electrolytes Based on LiTFSI Doped Silica-Polyethylene Oxide for Lithium-Ion Batteries

Mosa, Jadra, Vélez, Jonh Fredy, Aparicio, Mario

Journal:

Year:

2019

Language:

english

File:

PDF, 2.20 MB

english, 2019

38

Effects of high-intensity interval training compared to moderate-intensity continuous training on maximal oxygen consumption and blood pressure in healthy men: A randomized controlled trial

Arboleda-Serna, Víctor Hugo, Feito, Yuri, Patiño-Villada, Fredy Alonso, Vargas-Romero, Astrid Viviana, Arango-Vélez, Elkin Fernando

Journal:

Year:

2019

File:

PDF, 167 KB

2019

39

Effects of high-intensity interval training compared to moderate-intensity continuous training on maximal oxygen consumption and blood pressure in healthy men: A randomized controlled trial

Arboleda-Serna, Víctor Hugo, Feito, Yuri, Patiño-Villada, Fredy Alonso, Vargas-Romero, Astrid Viviana, Arango-Vélez, Elkin Fernando

Journal:

Year:

2019

File:

PDF, 167 KB

2019

40

High performance compact optical cryptosystem without reference arm

jaramillo osorio, John alexis, Barrera, John Fredy, Mira-Agudelo, Alejandro, Velez Zea, Alejandro, Torroba, Roberto

Journal:

Journal of Optics (IOPscience)

Year:

2020

File:

PDF, 1.09 MB

2020

41

Experimental holographic movie compression using optical scaling and sampling

Gómez Valencia, Erika Melisa, Trejos, Sorayda, Velez Zea, Alejandro, Barrera, John Fredy, Torroba, Roberto

Journal:

Journal of Optics (IOPscience)

Year:

2020

File:

PDF, 1.32 MB

2020