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Roberto Gerson de Albuquerque Azevedo
Researcher at École Polytechnique Fédérale de Lausanne
Publications - 38
Citations - 202
Roberto Gerson de Albuquerque Azevedo is an academic researcher from École Polytechnique Fédérale de Lausanne. The author has contributed to research in topics: User interface & Video quality. The author has an hindex of 6, co-authored 37 publications receiving 149 citations. Previous affiliations of Roberto Gerson de Albuquerque Azevedo include École Normale Supérieure & Federal University of Maranhão.
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Journal ArticleDOI
Visual Distortions in 360° Videos
Roberto Gerson de Albuquerque Azevedo,Neil Birkbeck,Francesca De Simone,Ivan Janatra,Balu Adsumilli,Pascal Frossard +5 more
TL;DR: This paper provides a first comprehensive review of the most common visual distortions that alter 360-degree signals undergoing state of the art processing in common applications, essential as a basis for benchmarking different processing techniques, allowing the effective design of new algorithms and applications.
Journal ArticleDOI
Extending multimedia languages to support multimodal user interactions
TL;DR: This paper proposes the integration of concepts from those two communities in a unique high-level programming framework that integrates user modalities —both user-generated and user-consumed — in declarative programming languages for the specification of interactive multimedia applications.
Journal ArticleDOI
Composer: meeting non-functional aspects of hypermedia authoring environment
Roberto Gerson de Albuquerque Azevedo,Eduardo Cruz Araújo,Bruno Seabra Lima,Luiz Fernando Gomes Soares,Marcelo Moreno +4 more
TL;DR: A microkernel-based architecture for authoring tools is proposed, where the microkernel is responsible for instantiating the requested extensions (plugins), maintaining the core data model that represents the hypermedia document under development, and notifying changes in this model to plugins interested in them.
Proceedings ArticleDOI
Subjective Evaluation of 360-degree Sensory Experiences
Álan L. V. Guedes,Roberto Gerson de Albuquerque Azevedo,Pascal Frossard,Sérgio Colcher,Simone Diniz Junqueira Barbosa +4 more
TL;DR: A testbed is presented and a user-focused study on a scenario in which the user is immersed in the 360-degree video content and is stimulated through additional sensory effects, indicating that the sensorial effects can considerably increase the sense of presence of360-degree videos.
Proceedings ArticleDOI
Textual authoring of interactive digital TV applications
Roberto Gerson de Albuquerque Azevedo,Carlos de Salles Soares Neto,Mario Meireles Teixeira,Rodrigo Costa Mesquita Santos,Thiago Alencar Gomes +4 more
TL;DR: A textual approach to hypermedia authoring that uses typographical accessories, such as program visualization, hypertextual navigation, and semi-automatic error correction, and does not imply in extra cognitive overload is presented.