Exploració per tema "JPEG"

Ara es mostren els items 1-13 de 13

    • Calidad de Imagen de los Archivos JPEG 

      Serra Picañol, Joan (Universitat Politècnica de Catalunya, 2012)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat

    • CBIR - Content based information retrieval in Optical Biopsies 

      Tous Liesa, Rubén; Ferrer-Roca, Olga; Delgado Mercè, Jaime (2010)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The present paper describes the design and usage of an Internet medical image search engine based on the queryby-example paradigm and the multimedia standard ISO-15938-12:2008. The system, which allows combining Content ...

    • Desarrollo multinivel de la competencia transversal de trabajo en equipo 

      Oliver, José (Universidad de Almería, 2016-07-05)
      Comunicació de congrés
      Accés obert
      Una de las principales novedades de los estudios de Grado y Postgrado es que el aprendizaje se establece en función de unas competencias que los alumnos de-ben alcanzar. Estas competencias, aparte de aspectos técnicos, ...

    • Differential entropy of digital pictures 

      Grifell Guàrdia, Laia (Universitat Politècnica de Catalunya, 2015-07)
      Treball Final de Grau
      Accés obert
      En el treball s'estudia la compressió JPEG i la seva possible utilitat com a clau en criptografia. Es fa mitjançant comparant les compressions JPEG d'imatges en RAW molt semblants.

    • Embedding images in partially encrypted JPEG images 

      Sole Cubilo, Guillem (Universitat Politècnica de Catalunya, 2016-05-26)
      Treball Final de Grau
      Accés obert
      This thesis presents an algorithm and implementation to embed images into partially encrypted JPEG images by combining the information of both images. These partially encrypted JPEG images have been encrypted using the ...

    • JPEG privacy and security framework for social networking and GLAM services 

      Temmermans, Frederik; Ebrahimi, Touradj; Foessel, Sigfried; Delgado Mercè, Jaime; Ishikawa, Takaaki; Natu, Ambarish; Schelkens, Peter (2017-09-29)
      Article
      Accés obert
      Current image coding standards provide limited support for privacy and security features. An exception is the JPSEC standard, which defines security extensions in JPEG 2000 specifications (part 8). Notwithstanding this ...

    • JPEG Universal metadata box format and jpeg linked media format: a reference software implementation 

      Valverde Diaz, Carlos (Universitat Politècnica de Catalunya, 2022-01-31)
      Treball Final de Grau
      Accés obert
      For each innovation in any industry, there is exhaustive work from experts groups which seek for an optimal version of it, which includes the minimal set of rules, patterns or references that ensure interchangeability, ...

    • JPSearch: new international standard providing interoperable framework for image search and sharing 

      Yoon, Kyoungro; Kim, Youngseop; Park, Je-Ho; Delgado Mercè, Jaime; Yamada, Akio; Dufaux, Frederic; Tous Liesa, Rubén (2012-08)
      Article
      Accés restringit per política de l'editorial
      For the last 15 years, there have been various research and great advances in the field of content-based search and retrieval of images. In this paper, we present an overview of the JPSearch Standard, which is a recently ...

    • Privacidad en imágenes jpg mediante XACML 

      Durán Montoro, Alberto (Universitat Politècnica de Catalunya, 2016-01-19)
      Treball Final de Grau
      Accés obert
      Este trabajo propone una solución a la pérdida de privacidad de las imágenes JPEG mediante la inclusión de políticas de privacidad. Posteriormente se genera una petición de acceso a la imagen y un autorizador determina si ...

    • Query formats for multimedia applications ISO/IEC 15938-12 (MPEG Query Format) & ISO/IEC 24800 (JPSearch) 

      Tous Liesa, Rubén (2009)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Digital images are being generated, distributed and stored worldwide at an ever increasing rate. This is increasing the urgency of solving and standardizing solutions for challenging questions surrounding image repositories. ...

    • Reference software for JPEG privacy and security 

      Ramos Garcia, Paula (Universitat Politècnica de Catalunya, 2022-01-31)
      Treball Final de Grau
      Accés obert
      The purpose of this project is to produce a first draft of a partial implementation of the reference software for the new JPEG privacy and security specification (JPEG P&S). Since JPEG P&S is based on the concept of the ...

    • Specification and implementation of metadata for secure image provenance information 

      Fotos, Nikolaos (Universitat Politècnica de Catalunya, 2022-07-07)
      Projecte Final de Màster Oficial
      Accés obert
      The booming of AI tools capable of modifying images has equipped fake media producers with strong tools in their arsenal. Complementary to the efforts of implementing fake media detectors, research organizations are designing ...

    • Towards standardized integration of images in the cloud of linked data 

      Tous Liesa, Rubén; Delgado Mercè, Jaime; Temmermans, Frederik; Jansen, Bart; Schelkens, Peter (Springer, 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Currently, there are several ways of describing and referring to images in RDF. This ambiguity results in a proliferation of vocabularies for image descriptions, complicating the cross-community data integration of information ...