Research

Education

PhD in Computer Science from the University of Almería, Spain.
MSc in Advanced Computing Techniques from the University of Almería, Spain.
BSc in Computer Science from the University of Almería, Spain.

Research group

High Performance Computing - Algorithms Research Group (TIC-146).
University of Almería.

Research interests

Image Coding and Transmission, JPEG2000.

PhD Thesis

J.J. Sánchez Hernández. Streaming interactivo de secuencias de imágenes de alta resolución JPEG2000. Advisor: V. González-Ruiz. University of Almería. 2025.

Publications

Journal papers

• J.J. Sánchez-Hernández, J.P. García-Ortiz, V. González-Ruiz and D. Müller. Interactive Streaming of Sequences of High Resolution JPEG2000 Images. In IEEE Transactions on Multimedia, pages 1829 - 1838, August 2015 (Volume:17, Issue: 10). DOI: 10.1109/TMM.2015.2470595.

International Conference posters

• J.J. Sánchez-Hernández, J.P. García-Ortiz, V. González-Ruiz and D. Müller. Client-Driven Transmission of JPEG2000 Image Sequences Using Motion Compensated Conditional Replenishment. In A. Bilgin, M.W. Marcellin, J. Serra-Sagrista, and J.A. Storer, editors, Proceedings of Data Compression Conference (DCC), page 602, march 2019. Snowbird, Utah, USA. DOI 10.1109/DCC.2019.00114.

International Conference papers

• J.P. García-Ortiz, C. Martín, V. González-Ruiz, J.J. Sánchez-Hernández, I. García, and D Müeller. Efficient and scalable open-source JPIP server for streaming of large volumes of image data. In IEEE International Conference on Consumer Electronics, pages 380–384, September 2011. Berlin. Bibtex entry. DOI: http://dx.doi.org/10.1109/ICCE-Berlin.2011.6031879.

• J.J. Sánchez-Hernández, J.P. García-Ortiz, V. González-Ruiz, I. García, and D. Müller. Transmission of low-motion JPEG2000 image sequences using client-driven conditional replenishment. In Alejandro Linares Barranco and George Tsihrintzis, editors, Proceedings of the International Conference on Signal Processing and Multimedia Applications (SIGMAP), pages 11 – 16, July 2011. Sevilla, Spain. Bibtex entry. Electronic ISBN: 978-989-8425-72-0.

National Conference papers

• J.J. Sánchez-Hernández, J.P. García-Ortiz, C. Martín, Carmelo Maturana-Espinosa, V. González-Ruiz and D. Müller. Improved JPIP-compatible architecture for video streaming of JPEG 2000 image sequences. In Otoniel Mario López Granado et al., editor, Proceedings of the II Workshop on Multimedia Data Coding and Transmission (WMDCT), pages 33–37, September 2012. Elche, Alicante, Spain. Bibtex entry.

• Carmelo Maturana-Espinosa, J.J. Sánchez-Hernández, J.P. García-Ortiz and V. González-Ruiz. Scalable Video Coding using Motion Compensated JPEG 2000. In Otoniel Mario López Granado et al., editor, Proceedings of the II Workshop on Multimedia Data Coding and Transmission (WMDCT), pages 33–37, September 2012. Elche, Alicante, Spain. Bibtex entry.

• J.J. Sánchez-Hernández, J.P. García-Ortiz, Carmelo Maturana-Espinosa, V. González-Ruiz and D. Müller. Streaming Interactivo de Secuencias de Imágenes JPEG2000 de Alta Resolución. In Guillermo Botella y Alberto A. Del Barrio García, editor, Actas de las XXIV Jornadas de Paralelismo, pages 139–144, September 2013. Madrid, Spain. Bibtex entry.

• Carmelo Maturana-Espinosa, Joaquín García-Sobrino, J.J. Sánchez-Hernández and V. González-Ruiz. Codificación de Vídeo Escalable usando Motion Compensated JPEG2000 con Control de Bit-Rate. In Guillermo Botella y Alberto A. Del Barrio García, editor, Actas de las XXIV Jornadas de Paralelismo, pages 139–144, September 2013. Madrid, Spain. Bibtex entry.

Master’s Thesis

J.J. Sánchez Hernández, V. González-Ruiz. Transmisión de secuencias de imágenes JPEG 2000 usando actualización condicional controlada por el cliente. University of Almería. 2011.

Participation in Projects

• Participation in ESA Summer of Code in Space 2011. SOCIS 2011.
  Project: Interactive HD Video Streaming with JPIP.
  Code: JHelioviewer - JPEG2000 Visualization Software, ESA JPIP Server.
  Founding organization: European Space Agency.
  Main researchers: Juan Pablo García Ortiz, Vicente González Ruiz and José Juan Sánchez Hernández.
  From 01/07/2011 until 30/10/2011.

• Computación de altas prestaciones en acción. Procesamiento de Imagen, Optimización global y Multimedia (TIN2008-01117).
  Founding organization: Ministerio de Ciencia e Innovación. Plan Nacional de Investigación Científica, Desarrollo e Innovación Tecnológica 2008-2011.
  Main researcher: Inmaculada García Fernández.
  Number of researchers: 27.

• Aplicaciones científicas con alta demanda computacional (TIN2012-37483-C03-03).
  Founding organization: Ministerio de Ciencia e Innovación. Programa Nacional de Investigación Científica, Desarrollo e Innovación Tecnológica 2008-2011.
  Main researchers: Inmaculada García Fernández / José Jesús Fernandez Rodríguez / Leocadio González Casado.
  From 2013/01/01 until 2016/12/31.
  Number of researchers: 23.

• Participation as mentor in Google Summer of Code 2015 (GSoC 2015).
  Project: Integration of GUI, player and peer for the P2PSP python implementation.
  Source code: GitHub.
  Organization: P2PSP.org.
  Assigned mentors: Cristóbal Medina López, José Juan Sánchez Hernández.
  From 25/05/15 until 31/08/15.

• Participation as mentor in Google Summer of Code 2016 (GSoC 2016).
  Project: Implementation of a P2PSP client as an Android application.
  Organization: P2PSP.org.
  Assigned mentors: Juan Pablo García Ortiz, José Juan Sánchez Hernández.
  From 23/05/16 until 30/08/16.

Final projects supervision

José Antonio García Góngora. Visualización de Imágenes Remotas JPEG 2000 en Dispositivos Android. Ing. en Informática. Vicente González Ruiz, Juan Pablo García Ortiz y José Juan Sánchez Hernández. 2012.