Creating and sharing knowledge for telecommunications
... João Miguel Duarte Ascenso

Researcher

João Ascenso

Academic position: Associate Professor
Joining date: 01-01-1999
Roles in IT: Researcher
Thematic Line: Information and Data Sciences
Group: Multimedia Signal Processing – Lx

Email: Send Email
Address: IT – Lisboa
Instituto Superior Técnico - Torre Norte - Piso 10
Av. Rovisco Pais, 1
1049 - 001 Lisboa
Tel: +351 21 841 84 54
Fax: +351 21 841 84 72

Alternative Personal Web Page



Scientific Achievements

  • PhD, Instituto Superior Técnico, 01-01-2010
  • MSc, Instituto Superior Técnico, 18-12-2003
  • Licenciatura, Instituto Superior Técnico, 19-01-2000
  • Instituto Superior Técnico, 01-04-2014, -
  • IEEE - Institute of Electrical and Electronics Engineers, 01-01-2002, Senior Member
  • Image and video coding
  • 3D visual representation (light-fields, point clouds and holography)
  • visual quality assessment
  • virtual and augmented reality
  • Indexing and searching of visual content
  • Redes e Serviços de Comunicação Multimédia, Instituto Superior de Engenharia de Lisboa, Mestrado em Engenharia de Electrónica e Telecomunicações (MEET) e Mestrado em Engenharia Informática e de Computadores (MEIC)
  • Redes de Computadores, Instituto Superior de Engenharia de Lisboa, Licenciatura em Engenharia de Electrónica e Telecomunicações e de Computadores (LEETC) e Licenciatura em Engenharia de Redes de Comunicação e Multimédia (LERCM)
  • Introdução às Redes de Computadores, Instituto Superior Técnico, Licenciatura Engenharia de Telecomunicações e Informática
  • Arquitecturas de Redes, Instituto Superior Técnico, Licenciatura Engenharia Telecomunicações e Informática
  • Segurança em Redes de Computadores, Instituto Superior de Engenharia de Lisboa, Mestrado em Engenharia de Electrónica e Telecomunicações (MEET) e Mestrado em Engenharia Informática e de Computadores (MEIC)
  • Redes de Internet, Instituto Superior de Engenharia de Lisboa, Mestrado em Engenharia de Electrónica e Telecomunicações (MEET) e Mestrado em Engenharia Informática e de Computadores (MEIC)
  • Programação, Instituto Superior Técnico, Mestrado Integrado em Engenharia Electrotécnica e de Computadores
  • Algorithms and Data Structures, Instituto Superior Técnico, Electrical and Computer Engineering (MEEC)
As Supervisor
As Co-supervisor
As Supervisor
As Co-supervisor
  • F. Pereira, C. Brites, J. Ascenso, Distributed video coding: basics, codecs and performance, Chapter in, Distributed source coding: theory, algorithms and applications, Michael Gastpar and Pier Luigi Dragotti, Academic Press, 2009
  • F. Pereira, J. Ascenso, C. Brites, P. Fonseca, J. Baltazar, Evolution and challenges in multimedia representation technologies, Chapter in, A portrait of state-of-the-art research at the Technical University of Lisbon, M. Oom de Seabra Pereira, Springer, 2007
  • P. Martin, A. J. Rodrigues, J. Ascenso, M.P. Queluz, NeRF View Synthesis: Subjective Quality Assessment and Objective Metrics Evaluation, IEEE Access, Vol. 13, No., pp. 26 - 41, 2025 | BibTex
  • C. Brites, J. Ascenso, Neuromorphic Vision Data Coding: Classifying and Reviewing the Literature, IEEE Access, Vol. 13, No., pp. 14626 - 14657, 2025,
    | Abstract
    | Full text (PDF 5 MBs) | BibTex
  • F. Jabar, J. Ascenso, M.P. Queluz, Globally and locally optimized Pannini projection for high FoV rendering of 360° images, Signal Processing: Image Communication, Vol. 129, No., pp. 117190 - 117190, November, 2024,
    | Abstract
    | BibTex
  • S. Foessel, E. Alshina, A.M. Antonini, J. Ascenso, T. Bruylants, S. Caldwell, J. Delgado, T.E. Ebrahimi, W. Husak, P. Lemieux, F. Pereira, S. Perry, A. Pinheiro, P. Schelkens, F. Temmermans, O. Watanabe, JPEG Status and Progress Report 2024, SMPTE Motion Imaging Journal, Vol. 133, No. 7, pp. -, November, 2024 | BibTex
  • E. Alshina, J. Ascenso, T.E. Ebrahimi, JPEG AI: The First International Standard for Image Coding Based on an End-to-End Learning-Based Approach, IEEE Multimedia, Vol. 31, No. 4, pp. 60 - 69, October, 2024,
    | Abstract
    | BibTex
  • N. Bousnina, J. Ascenso, P.L. Correia, F. Pereira, Subjective performance assessment protocol for visual explanations-based face verification explainability, Eurasip Journal on Image and Video Processing, Vol. 2024, No. 1, pp. -, September, 2024,
    | Abstract
    | BibTex
  • J. Ascenso, D. Liu, S. Liu, D.T. Tian, L. Yu, Guest Editorial Special Section on Recent Standardization Efforts for Learning-Based Visual Data Coding, IEEE Transactions on Circuits and Systems for Video Technology, Vol. 34, No. 5, pp. 3063 - 3066, May, 2024,
    | Abstract
    | BibTex
  • J. Ascenso, E. Alshina, T.E. Ebrahimi, The JPEG AI Standard: Providing Efficient Human and Machine Visual Data Consumption, IEEE Multimedia, Vol. 30, No. 1, pp. 100 - 111, January, 2023 | BibTex
  • A. Javaheri, C. Brites, F. Pereira, J. Ascenso, Joint Geometry and Color Projection-Based Point Cloud Quality Metric, IEEE Access, Vol. 10, No. 1, pp. 90481 - 90497, September, 2022 | Full text (PDF 2 MBs) | BibTex
  • S. Foessel, J. Ascenso, L. A. S. C. Cruz, T.E. Ebrahimi, P. Lemieux, C.L.P. Pagliari, A. Pinheiro, J. Sneyers, F. Temmermans, JPEG Status and Progress Report 2022, SMPTE Motion Imaging Journal, Vol. 131, No. 8, pp. 111 - 119, September, 2022 | BibTex
  • F. Jabar, J. Ascenso, M.P. Queluz, Object-Based Geometric Distortion Metric for Viewport Rendering of 360° Images, IEEE Access, Vol. 10, No. 1, pp. 13827 - 13843, January, 2022,
    | Abstract
    | BibTex
  • A. Javaheri, C. Brites, F. Pereira, J. Ascenso, Point Cloud Rendering after Coding: Impacts on Subjective and Objective Quality, IEEE Transactions on Multimedia, Vol. 23, No. -, pp. 4049 - 4064, November, 2021,
    | Abstract
    | Full text (PDF 2 MBs) | BibTex
  • C. Brites, J. Ascenso, F. Pereira, Lenslet Light Field Image Coding: Classifying, Reviewing and Evaluating, IEEE Transactions on Circuits and Systems for Video Technology, Vol. 31, No. 1, pp. 339 - 354, January, 2021,
    | Abstract
    | BibTex
  • F. Pereira, A. Dricot, J. Ascenso, C. Brites, Point cloud coding: A privileged view driven by a classification taxonomy, Signal Processing: Image Communication, Vol. 85, No. -, pp. - - -, July, 2020,
    | Abstract
    | Full text (PDF 1 MB) | BibTex
  • A. Javaheri, C. Brites, F. Pereira, J. Ascenso, Mahalanobis Based Point to Distribution Metric for Point Cloud Geometry Quality Evaluation, IEEE Signal Processing Letters, Vol. 27, No. -, pp. 1350 - 1354, July, 2020,
    | Abstract
    | Full text (PDF 826 KBs) | BibTex
  • P. Perdigão, P. Lousã, J. Ascenso, F. Pereira, Visual monitoring of High-Sea fishing activities using deep learning-based image processing, Multimedia Tools and Applications, Vol. -, No. -, pp. - - -, May, 2020 | BibTex
  • F. Jabar, J. Ascenso, M.P. Queluz, Objective Assessment of Perceived Geometric Distortions in Viewport Rendering of 360° Images, IEEE Journal on Selected Topics in Signal Processing, Vol. 14, No. 1, pp. 49 - 63, January, 2020 | BibTex
  • F. Rodrigues, J. Ascenso, A. J. Rodrigues, M.P. Queluz, Blind Quality Assessment of 3D Synthesized Views Based on Hybrid Feature Classes, IEEE Transactions on Multimedia, Vol. 21, No. 7, pp. 1737 - 1749, July, 2019,
    | Abstract
    | BibTex
  • PJROP Rente, C. Brites, J. Ascenso, F. Pereira, Graph-based Static 3D Point Clouds Geometry Coding, IEEE Transactions on Multimedia, Vol. 21, No. 2, pp. 284 - 299, February, 2019,
    | Abstract
    | BibTex
  • JP Peixeiro, C. Brites, J. Ascenso, F. Pereira, Holographic Data Coding: Benchmarking and Extending HEVC with Adapted Transforms, IEEE Transactions on Multimedia, Vol. 20, No. 2, pp. 282 - 297, February, 2018,
    | Abstract
    | BibTex
  • X. HoangVan, J. Ascenso, F. Pereira, Adaptive Scalable Video Coding - an HEVC based Framework Combining the Predictive and Distributed Paradigms, IEEE Transactions on Circuits and Systems for Video Technology, Vol. 27, No. 8, pp. 1761 - 1776, August, 2017 | BibTex
  • A. Dias, C. Brites, J. Ascenso, F. Pereira, SIFT-based Homographies for Efficient Multiview Distributed Visual Sensing, IEEE Sensors Journal, Vol. 15, No. 5, pp. 2643 - 2656, May, 2015,
    | Abstract
    | BibTex
  • X. HoangVan, J. Ascenso, F. Pereira, HEVC backward compatible scalability: A low encoding complexity distributed video coding based approach, Signal Processing: Image Communication, Vol. 33, No. 1, pp. 51 - 70, April, 2015,
    | Abstract
    | BibTex
  • M. Salmistraro, J. Ascenso, C. Brites, S. Forchhammer, A Robust Fusion Method for Multiview Distributed Video Coding, Eurasip Journal on Advances in Signal Processing, Vol. 2014, No. 174, pp. - - -, December, 2014 | BibTex
  • A. Dias, C. Brites, J. Ascenso, F. Pereira, Perceptually driven Video Error Protection using a Distributed Source Coding Approach, Signal Processing: Image Communication, Vol. 29, No. 1, pp. 1 - 22, January, 2014,
    | Abstract
    | BibTex
  • J. Ascenso, F. Pereira, Perspective Transform Motion Modeling for Improved Side Information Creation, Eurasip Journal on Advances in Signal Processing, Vol. 2013, No. 1, pp. - - -, December, 2013 | BibTex
  • C. Brites, J. Ascenso, F. Pereira, Side Information Creation for Efficient Wyner-Ziv Video Coding: Classifying and Reviewing, Signal Processing: Image Communication, Vol. 28, No. 7, pp. 689 - 726, August, 2013,
    | Abstract
    | BibTex
  • X. HoangVan, J. Ascenso, F. Pereira, Improved matching criterion for frame rate up–conversion with trilateral filtering, Electronics Letters, Vol. 49, No. 2, pp. 106 - 107, January, 2013,
    | Abstract
    | Full text (PDF 725 KBs) | BibTex
  • J. Ascenso, C. Brites, F. Pereira, A flexible side information generation framework for distributed video coding, Multimedia Tools and Applications, Vol. 48, No. 3, pp. 381 - 409, July, 2010,
    | Abstract
    | BibTex
  • R. Martins, C. Brites, J. Ascenso, F. Pereira, Statistical motion learning for improved transform domain Wyner-Ziv video coding, IET Image Processing, Vol. 4, No. 1, pp. 28 - 41, February, 2010,
    | Abstract
    | Full text (PDF 1 MB) | BibTex
  • R. Martins, C. Brites, J. Ascenso, F. Pereira, Adaptive deblocking filter for transform domain Wyner-Ziv video coding, IET Image Processing, Vol. 3, No. 6, pp. 315 - 328, December, 2009,
    | Abstract
    | Full text (PDF 706 KBs) | BibTex
  • R. Martins, C. Brites, J. Ascenso, F. Pereira, Refining side information for improved transform domain Wyner-Ziv video coding, IEEE Transactions on Circuits and Systems for Video Technology, Vol. 19, No. 9, pp. 1327 - 1341, September, 2009,
    | Abstract
    | Full text (PDF 533 KBs) | BibTex
  • J. Ascenso, F. Pereira, Advanced Side Information Creation Techniques and Framework for Wyner-Ziv Video Coding, Journal of Visual Communication and Image Representation, Vol. 19, No. 8, pp. - - -, December, 2008,
    | Abstract
    | BibTex
  • C. Brites, J. Ascenso, J. Pedro, F. Pereira, Evaluating a Feedback Channel based Transform Domain Wyner-Ziv Video Codec, Signal Processing: Image Communication, Vol. 23, No. 4, pp. 269 - 297, April, 2008,
    | Abstract
    | BibTex
  • F. Pereira, D.P. Palma, J. Ascenso, Automatic text extraction in digital video based on motion analysis, Lecture Notes in Computer Science, Vol. 3211, No. -, pp. 588 - 596, October, 2004 | BibTex
  • A. Sezavar, C. Brites, J. Ascenso, Learning-based Lossless Event Data Compression, Visual Communications and Image Processing - VCIP, Tokyo, Portugal, December, 2024,
    | Abstract
    | Full text (PDF 345 KBs) | BibTex
  • A. Sezavar, C. Brites, J. Ascenso, Low Complexity Learning-based Lossless Event-based Compression, IEEE International Symposium on Multimedia, Tokyo, Japan, December, 2024 | Full text (PDF 500 KBs) | BibTex
  • P. Martin, A. J. Rodrigues, J. Ascenso, M.P. Queluz, Evaluation of strategies for efficient rate-distortion NeRF streaming, IEEE International Symposium on Multimedia (ISM), Conference online, December, 2024,
    | Abstract
    | Full text (PDF 795 KBs) | BibTex
  • A. Alkhateeb, A. Gnutti, F. Guerrini, R. Leonardi, J. Ascenso, F. Pereira, JPEG AI Compressed Domain Face Detection, IEEE Workshop on MultiMedia Signal Processing - MMSP, West Lafayette, United States, October, 2024,
    | Abstract
    | Full text (PDF 1 MB) | BibTex
  • S. Mohammadi, Y. Wu, J. Ascenso, Fidelity-preserving Learning-Based Image Compression: Loss Function and Subjective Evaluation Methodology, Visual Communications and Image Processing - VCIP, Jeju, Korea, South, December, 2023 | BibTex
  • Tahsir Munna, J. Ascenso, Complexity Scalable Learning-based Image Decoding, IEEE International Conf. on Image Processing - ICIP, Kuala Lumpur, Malaysia, October, 2023,
    | Abstract
    | BibTex
  • S. Mohammadi, J. Ascenso, Predictive Sampling for Efficient Pairwise Subjective Image Quality Assessment, ACM International Conference on Multimedia, Ottawa, Canada, October, 2023,
    | Abstract
    | BibTex
  • M. Testolina, D. Lazzarotto, Rafael Rodrigues, S. Mohammadi, J. Ascenso, A. Pinheiro, T.E. Ebrahimi, On the Performance of Subjective Visual Quality Assessment Protocols for Nearly Visually Lossless Image Compression, ACM International Conference on Multimedia, Ottawa, Canada, October, 2023,
    | Abstract
    | BibTex
  • N. Bousnina, J. Ascenso, P.L. Correia, F. Pereira, A RISE-based Explainability Method for Genuine and Impostor Face Verification, 22nd International Conference of the Biometrics Special Interest Group BIOSIG, Darmstadt, Germany, Vol., pp. -, September, 2023,
    | Abstract
    | Full text (PDF 413 KBs) | BibTex
  • S. Mohammadi, J. Ascenso, Perceptual Impact of the Loss Function on Deep Learning Image Coding Performance, Picture Coding Symp., San Jose, United States, Vol., pp. -, December, 2022 | Full text (PDF 17 MBs) | BibTex
  • N. Bousnina, J. Ascenso, P.L. Correia, F. Pereira, Impact of Conventional and AI-based Image Coding on AI-based Face Recognition Performance, The European Workshop on Visual Information Processing EUVIP, Lisbon, Portugal, September, 2022,
    | Abstract
    | Full text (PDF 814 KBs) | BibTex
  • H. Oliveira, J. Ascenso, F. Pereira, Conventional versus Learning-based Video Coding Benchmarking: Where Are We?, International Workshop on Advanced Image Technology - IWAIT, Hong Kong, China, January, 2022 | BibTex
  • E. Upenik, M. Testolina, J. Ascenso, F. Pereira, T.E. Ebrahimi, Large-Scale Crowdsourcing Subjective Quality Evaluation of Learning-Based Image Coding, Visual Communications and Image Processing - VCIP, Munich, Germany, December, 2021 | BibTex
  • A. Javaheri, C. Brites, F. Pereira, J. Ascenso, A Point-to-Distribution Joint Geometry and Color Metric for Point Cloud Quality Assessment, IEEE International Workshop on Multimedia Signal Processing MMSP, Tampere, Finland, October, 2021 | BibTex
  • M. Testolina, E. Upenik, J. Ascenso, F. Pereira, T.E. Ebrahimi, Performance Evaluation of Objective Image Quality Metrics on Conventional and Learning-Based Compression Artifacts, IEEE International Workshop on Quality of Multimedia Experience - QoMEX, Montreal, Canada, June, 2021 | BibTex
  • D. Lopes, J. Ascenso, C. Brites, F. Pereira, Image Coding with Neural Network-based Colorization, IEEE International Conf. on Acoustics, Speech, and Signal Processing - ICASSP, Toronto, Canada, June, 2021 | BibTex
  • P.E. Eusébio, J. Ascenso, F. Pereira, Optimizing an Image Coding Framework with Deep Learning-based Pre- and Post-Processing, European Signal Processing Conference EUSIPCO, Amsterdam, Netherlands, January, 2021,
    | Abstract
    | BibTex
  • A. Javaheri, C. Brites, F. Pereira, J. Ascenso, Improving PSNR-based Quality Metrics Performance For Point Cloud Geometry, IEEE International Conference on Image Processing ICIP, Abu-Dhabi, United Arab Emirates, October, 2020,
    | Abstract
    | BibTex
  • F. Jabar, J. Ascenso, M.P. Queluz, Field-of-View Effect on the Perceived Quality of Omnidirectional Images, IEEE International Conference on Multimedia & Expo Workshops (ICMEW), London, United Kingdom, July, 2020,
    | Abstract
    | BibTex
  • A. Javaheri, C. Brites, F. Pereira, J. Ascenso, A generalized Hausdorff distance based quality metric for point cloud geometry, IEEE International Workshop on Quality of Multimedia Experience - QoMEX, Athlone, Ireland, May, 2020,
    | Abstract
    | BibTex
  • J. Ascenso, P. Akyazi, F. Pereira, T.E. Ebrahimi, Learning-based Image Coding: Early Solutions Reviewing and Subjective Quality Evaluation, SPIE Photonics Europe: Optics, Photonics and Digital Technologies for Multimedia Applications, Brussels, Belgium, April, 2020,
    | Abstract
    | BibTex
  • A. Costa, A. Dricot, C. Brites, J. Ascenso, F. Pereira, Improved patch packing for the MPEG V-PCC standard, IEEE International Workshop on Multimedia Signal Processing MMSP, Kuala Lumpur, Malaysia, September, 2019,
    | Abstract
    | BibTex
  • A. Dricot, J. Ascenso, Hybrid Octree-Plane Point Cloud Geometry Coding, European Signal Processing Conference EUSIPCO, La Coruna, Spain, September, 2019 | BibTex
  • A. Dricot, J. Ascenso, Adaptive Multi-level Triangle Soup for Geometry-based Point Cloud Coding, IEEE International Workshop on Multimedia Signal Processing MMSP, Kuala Lumpur, Malaysia, September, 2019 | BibTex
  • F. Jabar, J. Ascenso, M.P. Queluz, Content-Aware Perspective Projection Optimization for Viewport Rendering of 360° Images, IEEE International Conference on Multimedia and Expo (ICME) 2019, Shanghai, China, July, 2019,
    | Abstract
    | Full text (PDF 3 MBs) | BibTex
  • E.L. Lopes, J. Ascenso, C. Brites, F. Pereira, Adaptive Plane Projection for Video-based Point Cloud Coding, IEEE International Conf. on Multimedia and Expo - ICME, Shangai, China, July, 2019 | BibTex
  • A. Dricot, J. Ascenso, Hybrid point cloud geometry coding using planes and octree representation models, IEEE Data Compression Conference - DCC, Snowbird, United States, March, 2019 | BibTex
  • M. Oliveira, J. Ascenso, M.P. Queluz, Full Reference Quality Assessment of DIBR-based Synthesized Images, 3D Stereo Media International conference on 3D Imaging IC3D, Brussels, Belgium, December, 2018 | BibTex
  • F. Jabar, M.P. Queluz, J. Ascenso, Objective Assessment of Line Distortions in Viewport Rendering of 360° Images, IEEE International Conference on Artificial Intelligence and Virtual Reality AIVR, Taichun, Taiwan, December, 2018,
    | Abstract
    | Full text (PDF 844 KBs) | BibTex
  • A. Dricot, F. Pereira, J. Ascenso, Rate-Distortion Driven Adaptive Partitioning for Octree-Based Point Cloud Geometry Coding, IEEE International Conf. on Image Processing - ICIP, Athens, Greece, October, 2018 | BibTex
  • A. Oliveira, C. Brites, J. Ascenso, F. Pereira, Lenslet Light Field Panorama Creation: a Sub-Aperture Image Stitching Approach, European Signal Processing Conference EUSIPCO, Rome, Italy, September, 2018 | BibTex
  • JG Garrote, C. Brites, J. Ascenso, F. Pereira, Lenslet Light Field Imaging Scalable Coding, European Signal Processing Conference EUSIPCO, Rome, Italy, September, 2018 | BibTex
  • F. Lopes, J. Ascenso, A. J. Rodrigues, M.P. Queluz, Subjective And Objective Quality Assessment Of Omnidirectional Video, SPIE Optical Engineering + Applications (OP18O), Applications of Digital Image Processing XLI SPIE - OP180, San Diego, United States, August, 2018 | BibTex
  • A. Filini, J. Ascenso, R. Leonardi, Rate-Accuracy Optimization of Deep Convolutional Neural Network Models, IEEE International Symposium on Multimedia, Taichung, Taiwan, December, 2017 | BibTex
  • F. Jabar, J. Ascenso, M.P. Queluz, Perceptual Analysis of Perspective Projection for Viewport Rendering in 360° Images, IEEE International Symposium on Multimedia, Taichung, Taiwan, December, 2017,
    | Abstract
    | Full text (PDF 1 MB) | BibTex
  • A. Javaheri, C. Brites, F. Pereira, J. Ascenso, Subjective and Objective Quality Evaluation of Compressed Point Clouds, IEEE Workshop on MultiMedia Signal Processing - MMSP, Bedfordshire, United Kingdom, October, 2017 | Full text (PDF 510 KBs) | BibTex
  • J. A. Teixeira, C. Brites, F. Pereira, J. Ascenso, Epipolar based Light Field Key-Location Detector, IEEE Workshop on MultiMedia Signal Processing - MMSP, Bedfordshire, United Kingdom, Vol. -, pp. - - -, October, 2017 | BibTex
  • G. Luz, J. Ascenso, C. Brites, F. Pereira, Saliency-driven Omnidirectional Imaging Adaptive Coding: Modeling and Assessment, IEEE Workshop on MultiMedia Signal Processing - MMSP, Bedfordshire, United Kingdom, Vol. -, pp. - - -, October, 2017 | BibTex
  • A. Javaheri, C. Brites, F. Pereira, J. Ascenso, Subjective and Objective Quality Evaluation of 3D Point Cloud Denoising Algorithms, IEEE International Conference on Multimedia & Expo Workshops ICMEW, Hong Kong, Hong Kong, Vol., pp. 1 - 6, July, 2017 | Full text (PDF 526 KBs) | BibTex
  • J. A. Teixeira, C. Brites, F. Pereira, J. Ascenso, Lisbon Landmark Lenslet Light Field Dataset: Description and Retrieval Performance, International Workshop on Content-Based Multimedia Indexing - CBMI, Florence, Italy, June, 2017,
    | Abstract
    | BibTex
  • N. Monteiro, C. Brites, F. Pereira, J. Ascenso, Multi-view Distributed Coding and Selection of Local Binary Features, IEEE International Conf. on Multimedia and Expo - ICME, Seattle, United States, Vol. -, pp. - - -, July, 2016 | BibTex
  • JP Peixeiro, C. Brites, J. Ascenso, F. Pereira, Digital Holography: Benchmarking Coding Standards and Representation Formats, IEEE International Conf. on Multimedia and Expo - ICME, Seattle, United States, Vol. -, pp. - - -, July, 2016 | BibTex
  • ASPG Gabriel, J. Ascenso, F. Pereira, Boosting decoding quality performance in DASH-based streaming frameworks, International Packet Video Workshop, Seattle, United States, Vol. -, pp. - - -, July, 2016,
    | Abstract
    | BibTex
  • X. HoangVan, J. Ascenso, F. Pereira, Improving SHVC Performance with a Joint Layer Coding Mode, IEEE International Conf. on Acoustics, Speech, and Signal Processing - ICASSP, Shanghai, China, Vol. -, pp. - - -, March, 2016 | BibTex
  • N. Monteiro, C. Brites, F. Pereira, J. Ascenso, Multi-View Distributed Source Coding of Binary Features for Visual Sensor Networks, IEEE International Conf. on Acoustics, Speech, and Signal Processing - ICASSP, Shanghai, China, Vol. -, pp. - - -, March, 2016 | BibTex
  • B. Panti, F. Pereira, J. Ascenso, Stereo Based Tracking-By-Detection for Visual Sensor Networks, IEEE International Symposium on Multimedia, Miami, United States, Vol. -, pp. - - -, December, 2015,
    | Abstract
    | BibTex
  • C. Brites, J. Ascenso, F. Pereira, Epipolar Plane Image based Rendering for 3D Video Coding, IEEE Workshop on MultiMedia Signal Processing - MMSP, Xiamen, China, Vol. -, pp. - - -, October, 2015,
    | Abstract
    | BibTex
  • L. Baroffio, M. Cesana, A. Redondi, M. Tagliasacchi, J. Ascenso, P. Monteiro, E. Eriksson, G. Dan, V. Fodor, GreenEyes: Networked Energy-Aware Visual Analysis, IEEE International Conference on Multimedia & Expo Workshops ICMEW, Torino, Italy, Vol. -, pp. - - -, July, 2015,
    | Abstract
    | BibTex
  • B. Panti, P. Monteiro, F. Pereira, J. Ascenso, Descriptor-based Adaptive Tracking-by-detection for Visual Sensor Networks, Workshop on Distributed and Cooperative Visual Recognition and Analysis DCVRA, Torino, Italy, Vol. 1, pp. 1 - 1, June, 2015 | BibTex
  • X. HoangVan, J. Ascenso, F. Pereira, Improving Enhancement Layer Merge Mode for HEVC Scalable Extension, Picture Coding Symp., Cairns, Australia, Vol. 1, pp. 1 - 5, May, 2015,
    | Abstract
    | BibTex
  • X. HoangVan, J. Ascenso, F. Pereira, Optimal Reconstruction for a HEVC Backward Compatible Distributed Scalable Video Codec, Visual Communications and Image Processing - VCIP, Valletta, Malta, Vol. 1, pp. 1 - 4, December, 2014,
    | Abstract
    | BibTex
  • C. Brites, V. Gomes, J. Ascenso, F. Pereira, Statistical Reconstruction for Predictive Video Coding, Visual Communications and Image Processing - VCIP, Valletta, Malta, Vol. -, pp. - - -, December, 2014,
    | Abstract
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  • L. Baroffio, A. Canclini, M. Cesana, A. Redondi, M. Tagliasacchi, G. Dan, V. Fodor, J. Ascenso, Demo: Enabling Image Analysis Tasks in Visual Sensor Networks, ACM/IEEE International Conf. on Distributed Smart Cameras - ICDSC, Venezia, Italy, Vol. -, pp. - - -, November, 2014,
    | Abstract
    | BibTex
  • L. Baroffio, J. Ascenso, M. Cesana, M. Tagliasacchi, Coding Binary Local Features Extracted From Video Sequences, IEEE International Conf. on Image Processing - ICIP, Paris, France, Vol. -, pp. - - -, October, 2014 | BibTex
  • P. Monteiro, J. Ascenso, F. Pereira, Local Feature Selection for Efficient Binary Descriptor Coding, IEEE International Conf. on Image Processing - ICIP, Paris, France, Vol. -, pp. - - -, October, 2014,
    | Abstract
    | BibTex
  • A. Redondi, L. Baroffio, A. Canclini, M. Cesana, M. Tagliasacchi, G. Dan, V. Fodor, J. Ascenso, P. Monteiro, Enabling Visual Analysis in Wireless Sensor Networks, IEEE International Conf. on Image Processing - ICIP, Paris, France, Vol. -, pp. - - -, October, 2014 | BibTex
  • X. HoangVan, J. Ascenso, F. Pereira, Correlation Modeling for a Distributed Scalable Video Codec based on the HEVC Standard, IEEE Workshop on MultiMedia Signal Processing - MMSP, Jakarta, Indonesia, Vol. 1, pp. 1 - 6, September, 2014,
    | Abstract
    | BibTex
  • M. Salmistraro, L. L. Rakêt, C. Brites, J. Ascenso, S. Forchhammer, Joint Disparity and Motion Estimation Using Optical Flow for Multiview Distributed Video Coding, European Signal Processing Conference EUSIPCO, Lisbon, Portugal, Vol. -, pp. - - -, September, 2014,
    | Abstract
    | BibTex
  • P. Monteiro, J. Ascenso, Coding Mode Decision Algorithm for Binary Descriptor Coding, European Signal Processing Conference EUSIPCO, Lisbon, Portugal, Vol. -, pp. - - -, September, 2014,
    | Abstract
    | BibTex
  • V. Nascimento, J. Ascenso, F. Pereira, H.264/AVC Backward Compatible Bit-Depth Scalable Video Coding, IEEE Workshop on MultiMedia Signal Processing - MMSP, Jakarta, Indonesia, Vol. -, pp. - - -, September, 2014,
    | Abstract
    | BibTex
  • X. HoangVan, J. Ascenso, F. Pereira, Improving Scalable Video Coding Performance with Decoder Side Information, Picture Coding Symp., San Jose, United States, Vol. 1, pp. 1 - 4, December, 2013,
    | Abstract
    | Full text (PDF 135 KBs) | BibTex
  • P. Monteiro, J. Ascenso, Clustering based Binary Descriptor Coding for Efficient Transmission in Visual Sensor Networks, Picture Coding Symp., San Jose, United States, Vol. -, pp. - - -, December, 2013,
    | Abstract
    | BibTex
  • A. Redondi, L. Baroffio, J. Ascenso, M. Cesana, M. Tagliasacchi, Rate-accuracy Optimization of Binary Descriptors, IEEE International Conf. on Image Processing - ICIP, Melbourne, Australia, Vol. -, pp. - - -, September, 2013 | BibTex
  • J. Ascenso, F. Pereira, Lossless Compression of Binary Image Descriptors for Visual Sensor Networks, International Conf. on Digital Signal Processing, Santorini, Greece, Vol. -, pp. - - -, July, 2013,
    | Abstract
    | BibTex
  • A. Canclini, R. Cilla, A. Redondi, J. Ascenso, M. Cesana, M. Tagliasacchi, Evaluation of Visual Feature Detectors and Descriptors for Low-complexity Devices, International Conf. on Digital Signal Processing, Santorini, Greece, Vol. -, pp. - - -, July, 2013 | BibTex
  • D. S. Shah, J. Ascenso, C. Brites, F. Pereira, Studying Platelet-Based Depth Map Coding, Conf. on Telecommunications - ConfTele, Castelo Branco, Portugal, Vol. -, pp. - - -, May, 2013,
    | Abstract
    | BibTex
  • de Souza, D.F. Souza, J. Ascenso, Nuno M. M. Rodrigues, S.M.M. Faria, F. Pereira, Improving H.264/AVC Video Coding with Geometric Transforms, Conf. on Telecommunications - ConfTele, Castelo Branco, Portugal, Vol. -, pp. - - - http://id.bnportugal.gov.pt/bib/bibnacional/1845227, May, 2013,
    | Abstract
    | BibTex
  • X. HoangVan, J. Ascenso, F. Pereira, Designing an HEVC Based Scalable Video Coding Extension, Conf. on Telecommunications - ConfTele, Castele Branco, Portugal, Vol. 1, pp. 1 - 4, May, 2013,
    | Abstract
    | BibTex
  • X. HoangVan, J. Ascenso, F. Pereira, Improving Predictive Video Coding Performance with Decoder Side Information, IEEE International Conf. on Image Processing - ICIP, Florida, United States, Vol. 1, pp. 1 - 4, October, 2012,
    | Abstract
    | Full text (PDF 158 KBs) | BibTex
  • D. Shah, J. Ascenso, C. Brites, F. Pereira, Evaluating Multi-View Plus Depth Coding Solutions for 3D Video Scenarios, IEEE EUSIPCO 3DTV-Conf.: The True Vision - Capture, Transmission and Display of 3D Video - 3DTV, Zurich, Switzerland, Vol. -, pp. - - -, October, 2012 | BibTex
  • G. Barreira, J. Ascenso, Impact of the IEEE 802.11n Frame Aggregation Mechanisms on Video Streaming Quality, IEEE International Conf. on Software, Telecommunications and Computer Networks - SoftCOM, Split, Croatia, Vol. -, pp. - - -, September, 2012 | BibTex
  • J. Ascenso, H. C. Cruz, P. D. Dias, Packet-header Based No-Reference Quality Metrics for H.264/AVC Video Transmission, International Conf. on Telecommunications and Multimedia (Temu), Heraklion, Greece, Vol. -, pp. - - -, July, 2012,
    | Abstract
    | BibTex
  • C. Brites, J. Ascenso, F. Pereira, Learning based Decoding Approach for Improved Wyner-Ziv Video Coding, Picture Coding Symp., Kraków, Poland, Vol. -, pp. 165 - 168, May, 2012,
    | Abstract
    | BibTex
  • C. Brites, J. Ascenso, F. Pereira, Structural based Side Information Creation with Improved Matching Criteria for Wyner-Ziv Video Coding, Workshop on Image Analysis for Multimedia Interactive Services WIAMIS, Dublin, Ireland, Vol. -, pp. - - -, May, 2012,
    | Abstract
    | BibTex
  • X. HoangVan, J. Ascenso, F. Pereira, Improved B-slice Direct Mode Coding using Motion Side Information, Workshop on Image Analysis for Multimedia Interactive Services WIAMIS, Dublin, Ireland, Vol. 13, pp. 1 - 4, March, 2012,
    | Abstract
    | Full text (PDF 141 KBs) | BibTex
  • J. Ascenso, C. Brites, F. Pereira, Augmented LDPC Graph for Distributed Video Coding with Multiple Side Information, IEEE Workshop on MultiMedia Signal Processing - MMSP, Hangzhou, China, Vol. -, pp. - - -, October, 2011,
    | Abstract
    | BibTex
  • J. Ascenso, C. Brites, F. Pereira, A Denoising Approach for Iterative Side Information Creation in Distributed Video Coding, IEEE International Conf. on Image Processing - ICIP, Brussels, Belgium, Vol. -, pp. - - -, September, 2011,
    | Abstract
    | BibTex
  • M. Naccari, C. Brites, J. Ascenso, F. Pereira, Low complexity deblocking filter perceptual optimization for the HEVC codec, IEEE International Conf. on Image Processing - ICIP, Brussels, Belgium, Vol. 1, pp. 1 - 4, September, 2011 | BibTex
  • J. Ascenso, C. Brites, F.D. Dufaux, W. Fernando, T.E. Ebrahimi, F. Pereira, S. Tubaro, The VISNET II DVC codec: architecture, tools and performance, European Signal Processing Conference EUSIPCO, Aalborg, Denmark, Vol. -, pp. - - -, August, 2010,
    | Abstract
    | BibTex
  • J. Ascenso, C. Brites, F. Pereira, Compression efficiency analysis of Wyner-Ziv video coding with motion compensated side information interpolation, SPIE Conf. on Visual Information Processing and Communication, San Jose, United States, Vol. -, pp. - - -, January, 2010 | BibTex
  • J. Ascenso, F. Pereira, Complexity efficient stopping criterion for LDPC based distributed video coding, International Mobile Multimedia Communications Conf. - Mobimedia, London, United Kingdom, Vol. -, pp. - - -, September, 2009,
    | Abstract
    | BibTex
  • J. Ascenso, F. Pereira, Low complexity intra mode selection for efficient distributed video coding, IEEE International Conf. on Multimedia and Expo - ICME, New York, United States, Vol. -, pp. - - -, July, 2009,
    | Abstract
    | BibTex
  • X. Huang, C. Brites, J. Ascenso, F. Pereira, S. Forchhammer, Distributed video coding with multiple side information, Picture Coding Symp., Chicago, United States, Vol. -, pp. - - -, May, 2009,
    | Abstract
    | Full text (PDF 241 KBs) | BibTex
  • J. Ascenso, C. Brites, F. Pereira, Design and performance of a novel Low-Density Parity-Check code for distributed video coding, IEEE International Conf. on Image Processing - ICIP, San Diego, United States, Vol. -, pp. - - -, October, 2008,
    | Abstract
    | BibTex
  • J. Areia, J. Ascenso, C. Brites, F. Pereira, Low complexity hybrid rate control for lower complexity Wyner-Ziv video decoding, European Signal Processing Conference EUSIPCO, Lausanne, Switzerland, Vol. -, pp. - - -, August, 2008,
    | Abstract
    | Full text (PDF 151 KBs) | BibTex
  • J. Ascenso, M. Jakubowski, G. Pastuszak, Constant Bitrate Control for a Distributed Video Coding System, International Conf. on Signal Processing and Multimedia Applications, Porto, Portugal, Vol. -, pp. - - -, July, 2008,
    | Abstract
    | BibTex
  • F. Pereira, C. Brites, J. Ascenso, M. Tagliasacchi, Wyner-Ziv Video Coding: A Review of the Early Architectures and Further Developments, IEEE International Conf. on Multimedia and Expo - ICME, Hannover, Germany, Vol. -, pp. - - -, June, 2008,
    | Abstract
    | Full text (PDF 279 KBs) | BibTex
  • J. Ascenso, F. Pereira, Hierarchical motion estimation for side information creation in Wyner-Ziv video coding, International Conf. on Ubiquitous Information Management and Communication - ICUIMC, Suwon, Korea, South, Vol. -, pp. - - -, January, 2008,
    | Abstract
    | BibTex
  • F. Pereira, J. Ascenso, C. Brites, Studying the GOP size impact on the performance of a feedback channel-based Wyner-Ziv video codec, IEEE Pacific-Rim Symp. on Image and Video Technology - PSIVT, Santiago, Chile, Vol. -, pp. - - -, December, 2007 | BibTex
  • X. A. Artigas, J. Ascenso, M. Dalai, D.K. Kubasov, M.O. Ouaret, The DISCOVER codec: Architecture, Techniques and Evaluation, Picture Coding Symp., Lisbon, Portugal, Vol. -, pp. - - -, November, 2007 | BibTex
  • J. Pedro, L. D. Soares, C. Brites, J. Ascenso, F. Pereira, C.B. Bandeirinha, S.Y. Ye, F.D. Dufaux, T.E. Ebrahimi, Studying Error Resilience Performance for a Feedback Channel Based Transform Domain, Picture Coding Symp., Lisbon, Portugal, Vol. --, pp. -- - --, November, 2007 | BibTex
  • J. Areia, C. Brites, J. Ascenso, F. Pereira, Wyner-Ziv stereo video coding using a side information fusion approach, International Workshop on Multimedia Signal Processing, Chania, Greece, Vol. -, pp. - - -, October, 2007 | BibTex
  • J. Ascenso, F. Pereira, Adaptive hash based side information exploitation for efficient Wyner-Ziv video coding, IEEE International Conf. on Image Processing - ICIP, San Antonio, United States, Vol. -, pp. - - -, September, 2007 | BibTex
  • J. Pedro, C. Brites, J. Ascenso, F. Pereira, Studying the Feedback Channel in Transform Domain Wyner-Ziv Video Coding, Conf. on Telecommunications - ConfTele, Peniche, Portugal, Vol. -, pp. - - -, May, 2007 | BibTex
  • J. Ascenso, C. Brites, F. Pereira, Content Adaptive Wyner-Ziv Video Coding Driven by Motion Activity, IEEE International Conf. on Image Processing - ICIP, Atlanta, United States, Vol. -, pp. - - -, October, 2006 | BibTex
  • M. Tagliasacchi, A. Trapanese, S. Tubaro, J. Ascenso, C. Brites, F. Pereira, Exploiting Spatial Redundancy in Pixel Domain Wyner-Ziv Video Coding, IEEE International Conf. on Image Processing - ICIP, Atlanta, United States, Vol. -, pp. - - -, October, 2006 | BibTex
  • C. Brites, J. Ascenso, F. Pereira, Studying Temporal Correlation Noise Modeling for Pixel Based Wyner-Ziv Video Coding, IEEE International Conf. on Image Processing - ICIP, Atlanta, United States, Vol. -, pp. - - -, October, 2006 | BibTex
  • E. Martinian, A. Vetro, J. Ascenso, A. Khisti, D. Malioutov, Hybrid Distributed Video Coding Using SCA Codes, IEEE Workshop on MultiMedia Signal Processing - MMSP, Victoria, Canada, Vol. -, pp. - - -, October, 2006 | BibTex
  • C. Brites, J. Ascenso, F. Pereira, Feedback Channel in Pixel Domain Wyner-Ziv Video Coding: Myths and Realities, European Signal Processing Conference EUSIPCO, Florence, Italy, Vol. -, pp. - - -, September, 2006 | BibTex
  • M. Tagliasacchi, A. Trapanese, S. Tubaro, J. Ascenso, C. Brites, F. Pereira, Intra Mode Decision Based on Spatio-Temporal Cues In Pixel Domain Wyner-Ziv Video Coding, IEEE International Conf. on Acoustics, Speech, and Signal Processing - ICASSP, Toulouse, France, Vol. -, pp. - - -, May, 2006 | BibTex
  • C. Brites, J. Ascenso, F. Pereira, Improving Transform Domain Wyner-Ziv Video Coding Performance, IEEE International Conf. on Acoustics, Speech, and Signal Processing - ICASSP, Toulouse, France, Vol. -, pp. - - -, May, 2006 | BibTex
  • C. Brites, J. Ascenso, F. Pereira, Modeling Correlation Noise Statistics at Decoder for Pixel Based Wyner-Ziv Video Coding, Picture Coding Symp., Beijing, China, Vol. -, pp. - - -, April, 2006 | BibTex
  • J. Ascenso, C. Brites, F. Pereira, Motion Compensated Refinement for Low Complexity Pixel Based Distributed Video Coding, IEEE International Conf. on Advanced Video and Signal Based Surveillance, Sardinia, Italy, Vol. -, pp. - - -, September, 2005 | BibTex
  • A. Trapanese, M. Tagliasacchi, S. Tubaro, J. Ascenso, C. Brites, F. Pereira, Embedding a Block-based Intra Mode in Frame-based Pixel Domain Wyner-Ziv Video Coding, International Workshop on Very Low Bitrate Video, Sardinia, Italy, Vol. -, pp. - - -, September, 2005 | BibTex
  • A. Trapanese, M. Tagliasacchi, S. Tubaro, J. Ascenso, C. Brites, F. Pereira, Improved Correlation Noise Statistics Modeling in Frame-based Pixel Domain Wyner-Ziv Video Coding, International Workshop on Very Low Bitrate Video, Sardinia, Italy, Vol. -, pp. - - -, September, 2005 | BibTex
  • L. P. Natário, C. Brites, J. Ascenso, F. Pereira, Side Information Extrapolation for Low-Delay Pixel-Domain Distributed Video Coding, International Workshop on Very Low Bitrate Video, Sardignia, Italy, Vol. ?, pp. ? - ?, September, 2005 | BibTex
  • L. P. Natário, C. Brites, J. Ascenso, F. Pereira, Extrapolating side information for low-delay pixel-domain distributed video coding, International Workshop on Very Low Bitrate Video, Costa del Rey, Italy, Vol. -, pp. - - -, September, 2005 | BibTex
  • J. Ascenso, C. Brites, F. Pereira, Improving Frame Interpolation with Spatial Motion Smoothing for Pixel Domain Distributed Video Coding, Conf. on Speech and Image Processing, Multimedia Communications and Services - EURASIP, Smolenice, Slovakia, Vol. -, pp. - - -, July, 2005 | BibTex
  • F. Pereira, D.P. Palma, J. Ascenso, Automatic text extraction in digital video based on motion analysis, International Conf. on Image Analysis and Recognition, Porto, Portugal, Vol. -, pp. - - -, October, 2004 | BibTex
  • J. Ascenso, F. Pereira, Drift Reduction for a H.264/AVC Fine Grain Scalability with Motion Compensation Architecture, IEEE International Conf. on Image Processing - ICIP, Singapore, Singapore, Vol., pp. - - -, October, 2004 | BibTex
  • J. Ascenso, F. Pereira, H.264/AVC Fine Grain Scalability Using Bitplane Coding, Workshop on Image Analysis for Multimedia Interactive Services WIAMIS, Lisbon, Portugal, Vol., pp. 0 - 0, April, 2004 | BibTex
  • J. Ascenso, A. Silva, Agents for Digital Television, International Conf. on Enterprise Information Systems, ICEIS, Setúbal, Portugal, Vol. 1, pp. 109 - 115, July, 2001 | BibTex
  • J. Ascenso, P.L. Correia, F. Pereira, A Video Segmentation Toolbox with Support for User Interaction, Conf. on Telecommunications - ConfTele, Figueira da Foz, Portugal, Vol. 1, pp. 88 - 93, April, 2001 | BibTex
  • J. Ascenso, P.L. Correia, F. Pereira, A Face Detection Solution Integrating Automatic and User Assisted Tools, Portuguese Conf. on Pattern Recognition - RecPad, Porto, Portugal, Vol. 1, pp. 109 - 116, May, 2000 | BibTex
  • J. Ascenso, F. Pereira, Reconhecimento Automático de Faces usando Informação de Textura e de Geometria 3D, Encontro do Colégio de Electrotecnia da Ordem dos Engenheiros, Lisbon, Portugal, Vol. 1, pp. 148 - 155, May, 1999 | BibTex

Currently running projects2

Acronym Name Funding Agency Start date Ending date
EVASION EVent Aware Sensor CompresSION RayShaper 01-07-2023 31-01-2026
PORTRAIT Perceptual-aware geOmetRic sTructuRe Adaptation of wIde-angle phoTography VIVO 01-07-2024 31-12-2025

Closed Projects16

Acronym Name Funding Agency Start date Ending date
COST 292 Semantic Multimodal Analysis of Digital Media EU/COST 27-10-2004 27-10-2008
DARING Deep compression: emerging pAradigm foR Image codiNG FCT 01-06-2021 28-02-2025
DICEMAN Distributed Internet content exchange with MPEG-7 and agent negotiations EU/ACTS 01-05-1998 30-04-2000
DISCOVER Distributed coding for video services EU/FP6 01-09-2005 31-08-2007
DRAGON End-to-End Deep learning based image Compression IT 01-10-2021 01-10-2023
EmergIMG Emerging Image Modalities Representation and Compression FCT/PTDC 01-06-2016 01-06-2020
ENVISION QoE-Driven Adaptive 3D-Video Streaming for Wireless Networks IT 01-11-2016 01-12-2018
GreenEyes Networked energy-aware visual analysis EC/FP7 01-10-2012 01-10-2015
MESMOQoE Orquestração Automática Energeticamente Eficiente de Redes Móveis Optimizando a Qualidade de Experiência P2020 01-09-2017 31-08-2019
MPEG ISO MPEG standardization IT/LA 01-07-1993 01-12-2007
MuViDisCo Multiview Video Disparity Compensation using Geometric Transforms IT/LA 01-06-2011 01-08-2014
MUVIS MUlti-view distributed coding for VIsual Sensor networks FCT/PTDC 01-03-2012 01-06-2015
PCR Progressive Point Cloud Representation FCT 01-06-2016 31-05-2019
PROVEN Optimizing 360o Video Streaming Over Wireless Networks IT 01-04-2020 31-03-2022
QUALINET European Network on Quality of Experience in Multimedia Systems and Services EU/COST 01-11-2010 01-10-2014
XAIface Measuring and Improving Explainability for AI-based Face Recognition FCT 01-05-2021 30-04-2024
  • A. Javaheri, C. Brites, F. Pereira, J. Ascenso, MMSP 2021 Best Paper Award Finalist, for the paper entitled "A Point-to-Distribution Joint Geometry and Color Metric for Point Cloud Quality Assessment", 01-10-2021
  • J. Ascenso, Outstanding Area Chair Award, IEEE 21st International Workshop on Multimedia Signal Processing, 01-09-2019
  • E.L. Lopes, J. Ascenso, C. Brites, F. Pereira, ICME 2019 Best Paper Honorable Mention Award, for the paper entitled "Adaptive Plane Projection for Video-Based Point Cloud Coding"., 01-07-2019
  • A. Javaheri, C. Brites, F. Pereira, J. Ascenso, Top 10% paper award, IEEE 19th Workshop on Multimedia Signal Processing, Luton, UK, 01-10-2017
  • J. Ascenso, Outstanding Reviewer Award at IEEE Visual Communications and Image Processing 2016 Conference, -, 01-11-2016
  • X. HoangVan, J. Ascenso, F. Pereira, Best Paper Award at Picture Coding Symposium’2015 ((Jun-2015)), Our paper ''Improving Enhancement Layer Merge Mode for HEVC Scalable Extension'' won the best paper award at the 31st Picture Coding Symposium, Cairns, Australia, 01-06-2015
  • F. Pereira, J. Ascenso, Point cloud coding: the status quo
  • F. Pereira, J. Ascenso, Point cloud coding: the status quo
  • IEEE International Conference on Artificial Intelligence and Virtual Reality AIVR, Organizing Committee, 2018
  • IEEE International Symposium on Multimedia, Organizing Committee, 2018
  • Visual Communications and Image Processing - VCIP, Technical Programme Committee, 2018
  • International Conference on Content-Based Multimedia Indexing, Organizing Committee, 2018
  • ACM international conference on Multimedia, Technical Programme Committee, 2018
  • IEEE International Conf. on Image Processing - ICIP, Technical Programme Committee, 2018
  • IEEE International Conference on Multimedia Big Data BigMM, Technical Programme Committee, 2018
  • European Signal Processing Conference EUSIPCO, Technical Programme Committee, 2018
  • IEEE International Conf. on Multimedia and Expo - ICME, Technical Programme Committee, 2018
  • IEEE International Conf. on Acoustics, Speech, and Signal Processing - ICASSP, Technical Programme Committee, 2018
  • Visual Communications and Image Processing - VCIP, Technical Programme Committee, 2017
  • IEEE Workshop on MultiMedia Signal Processing - MMSP, Technical Programme Committee, 2017
  • IEEE International Conf. on Image Processing - ICIP, Technical Programme Committee, 2017
  • Workshop on Signal Processing for Understanding Crowd Dynamics SPCROWD, Technical Programme Committee, 2017
  • International Conf. on Digital Signal Processing, Technical Programme Committee, 2017
  • INSTICC International Conf. on Signal Processing and Multimedia Applications - SIGMAP, Technical Programme Committee, 2017
  • Workshop on Hot Topics in 3d Multimedia Hot3D, Technical Programme Committee, 2017
  • IEEE International Workshop on Mobile Multimedia Computing MMC, Technical Programme Committee, 2017
  • Workshop on Hot Topics in 3d Multimedia Hot3D, Technical Programme Committee, 2017
  • IEEE International Conf. on Acoustics, Speech, and Signal Processing - ICASSP, Technical Programme Committee, 2017
  • IEEE International Conference on Multimedia Big Data BigMM, Technical Programme Committee, 2017
  • IEEE Global Conf. on Signal and Information Processing - Global SIP, Technical Programme Committee, 2016
  • Picture Coding Symp., Technical Programme Committee, 2016
  • IEEE International Conf. on Image Processing - ICIP, Technical Programme Committee, 2016
  • IEEE Workshop on MultiMedia Signal Processing - MMSP, Technical Programme Committee, 2016
  • International Symposium on Computer Vision and the Internet VisionNet, Technical Programme Committee, 2016
  • INSTICC International Conf. on Signal Processing and Multimedia Applications - SIGMAP, Technical Programme Committee, 2016
  • IEEE International Conf. on Multimedia and Expo - ICME, Technical Programme Committee, 2016
  • IEEE International Workshop on Quality of Multimedia Experience - QoMEX, Organizing Committee, 2016
  • Workshop on Distributed and Cooperative Visual Recognition and Analysis DCVRA, Organizing Committee, 2015
  • IEEE International Conf. on Multimedia and Expo - ICME, Organizing Committee, 2015
  • INSTICC International Conf. on Signal Processing and Multimedia Applications - SIGMAP, Technical Programme Committee, 2015
  • European Signal Processing Conference EUSIPCO, Organizing Committee, 2014
  • IEEE International Conf. on Image Processing - ICIP, Technical Programme Committee, 2014
  • IEEE International Conf. on Multimedia and Expo - ICME, Technical Programme Committee, 2014
  • European Signal Processing Conference EUSIPCO, Technical Programme Committee, 2013
  • IEEE International Conf. on Multimedia and Expo - ICME, Technical Programme Committee, 2013
  • International Conf. on Digital Signal Processing, Sessions Chairman, 2013
  • Picture Coding Symp., Technical Programme Committee, 2013
  • European Signal Processing Conference EUSIPCO, Technical Programme Committee, 2012
  • IEEE International Conf. on Multimedia and Expo - ICME, Technical Programme Committee, 2012
  • IEEE International Conf. on Multimedia and Expo - ICME, Technical Programme Committee, 2009
  • IEEE International Conf. on Multimedia and Expo - ICME, Technical Programme Committee, 2008
  • IEEE International Conf. on Multimedia and Expo - ICME, Technical Programme Committee, 2007
  • Associate Editor, frontiers in signal processing, 01-01-2021 - 01-01-2030
  • Guest Editor, IEEE Access, 01-11-2020 - 01-11-2022
  • Associate Editor, IEEE Transactions on Multimedia, 01-01-2019 - 01-01-2023
  • Associate Editor, IEEE Transactions on Image Processing, 01-01-2019 - 01-01-2023
  • Associate Editor, IEEE Signal Processing Letters, 01-12-2014 - 01-12-2018
  • Signal Processing: Image Communication
    2015, 1 review(s); 2011, 4 review(s); 2010, 1 review(s); 2009, 2 review(s); 2008, 1 review(s); 2007, 1 review(s); 2006, 1 review(s);
  • Journal of Real-Time Image Processing
    2015, 1 review(s);

  • 2015, 1 review(s);
  • IEEE Transactions on Circuits and Systems for Video Technology
    2011, 6 review(s); 2010, 4 review(s); 2009, 2 review(s); 2006, 2 review(s);
  • IEEE Transactions on Image Processing
    2011, 1 review(s); 2010, 1 review(s); 2009, 1 review(s); 2008, 3 review(s); 2005, 1 review(s);
  • IEEE Communications Letters
    2011, 2 review(s); 2010, 1 review(s);
  • Multimedia Tools and Applications
    2011, 1 review(s); 2009, 1 review(s); 2008, 1 review(s);
  • Journal of Visual Communication and Image Representation
    2011, 1 review(s); 2008, 1 review(s);
  • Optical Engineering
    2011, 1 review(s); 2007, 1 review(s);
  • Signal Processing
    2009, 1 review(s); 2007, 1 review(s); 2006, 2 review(s); 2005, 1 review(s);
  • IEEE Transactions on Multimedia
    2011, 1 review(s); 2010, 1 review(s); 2007, 1 review(s);
  • IET Image Processing
    2010, 1 review(s); 2007, 1 review(s);
  • IEEE Signal Processing Letters
    2009, 2 review(s); 2007, 2 review(s); 2006, 2 review(s);

Activities from this researcher fall under the following United Nations Strategic Development Goals (SDGs):