André Filipe Rodrigues Guarda

André Guarda

Former IT academic position:	Post. Doc.
Joining/Leaving IT dates:	01-09-2016 / 28-02-2025
Roles held in IT:	Researcher
Former IT thematic line:	Information and Data Sciences
Group:	Multimedia Signal Processing – Lr

Scientific Achievements

Degrees

PhD, Instituto Superior Técnico, 26-11-2021
MSc, Instituto Politécnico de Leiria, 19-05-2016
Licenciatura, Instituto Politécnico de Leiria, 30-07-2013

Academic Activities

Co-Supervision of theses

4MSc Student

Learning-based Static Point Cloud Coding, MSc Student, Paulo Luís Santos Cruz, Concluded 11-2024
Learning-based point cloud geometry and color coding, MSc Student, Luís Adriano Martins Pinto Coelho, Concluded 11-2022
Learning-based point cloud geometry coding: integrating sampling tools for increased RD performance, MSc Student, Manuel Maria de Ornelas Marques Ruivo, Concluded 11-2022
Learning-based point cloud geometry and color coding, MSc Student, Luís Guilherme Berenguer Todo Bom, Concluded 07-2022

Publications

12Papers in Journals

A. Seleem, A. Guarda, Nuno M. M. Rodrigues, F. Pereira, Deep Learning-based Event Data Coding: A Joint Spatiotemporal and Polarity Solution, IEEE Open Journal of Signal Processing, Vol. 7, No., pp. 222 - 237, 2026,
| Abstract | Full text (PDF 3 MBs) | BibTex
A. Guarda, M. Ruivo, L. Coelho, A. Seleem, Nuno M. M. Rodrigues, F. Pereira, Deep Learning-Based Point Cloud Coding and Super-Resolution: A Joint Geometry and Color Approach, IEEE Transactions on Multimedia, Vol. 27, No., pp. 914 - 926, 2025,
| Abstract | Full text (PDF 1 MB) | BibTex
A. Guarda, Nuno M. M. Rodrigues, F. Pereira, The JPEG Pleno Learning-Based Point Cloud Coding Standard: Serving Man and Machine, IEEE Access, Vol. 13, No., pp. 43289 - 43315, 2025,
| Abstract | Full text (PDF 1 MB) | BibTex
A. Seleem, A. Guarda, Nuno M. M. Rodrigues, F. Pereira, A Double Deep Learning-Based Solution for Efficient Event Data Coding and Classification, IEEE Access, Vol. 13, No., pp. 48703 - 48719, 2025,
| Abstract | Full text (PDF 2 MBs) | BibTex
D. Mari, A. Guarda, Nuno M. M. Rodrigues, S. Milani, F. Pereira, Point Cloud Geometry Scalable Coding Using a Resolution and Quality-Conditioned Latents Probability Estimator, IEEE Access, Vol. 13, No., pp. 108025 - 108042, 2025,
| Abstract | BibTex
M. Ghafari, A. Guarda, Nuno M. M. Rodrigues, F. Pereira, Scalable Graph-Guided Transformer for Point Cloud Geometry Coding, IEEE Transactions on Multimedia, Vol., No., pp. 1 - 14, 2025,
| Abstract | Full text (PDF 1 MB) | BibTex
A. Seleem, A. Guarda, Nuno M. M. Rodrigues, F. Pereira, Adaptive bridge model for compressed domain point cloud classification, Eurasip Journal on Image and Video Processing, Vol. 2024, No. 1, pp. -, June, 2024,
| Abstract | BibTex
A. Seleem, A. Guarda, Nuno M. M. Rodrigues, F. Pereira, Deep Learning-based Compressed Domain Multimedia for Man and Machine: A Taxonomy and Application to Point Cloud Classification, IEEE Access, Vol. 11, No. -, pp. 128979 - 128997, November, 2023,
| Abstract | Full text (PDF 1 MB) | BibTex
A. Guarda, Nuno M. M. Rodrigues, F. Pereira, Neighborhood Adaptive Loss Function for Deep Learning-based Point Cloud Coding with Implicit and Explicit Quantization, IEEE Multimedia, Vol. 28, No. 3, pp. 107 - 116, July, 2021,
| Abstract | Full text (PDF 775 KBs) | BibTex
A. Guarda, Nuno M. M. Rodrigues, F. Pereira, Adaptive Deep Learning-based Point Cloud Geometry Coding, IEEE Journal on Selected Topics in Signal Processing, Vol. 15, No. 2, pp. 415 - 430, February, 2021,
| Abstract | Full text (PDF 1 MB) | BibTex
A. Guarda, Nuno M. M. Rodrigues, F. Pereira, Constant Size Point Cloud Clustering: a Compact, Non-Overlapping Solution, IEEE Transactions on Multimedia, Vol. 23, No. 1, pp. 77 - 91, December, 2020,
| Abstract | Full text (PDF 1 MB) | BibTex
A. Guarda, João M. Santos, L. A. S. C. Cruz, P.A. Assunção, Nuno M. M. Rodrigues, S.M.M. Faria, A Method to Improve HEVC Lossless Coding of Volumetric Medical Images, Signal Processing: Image Communication, Vol. 59, No., pp. 96 - 104, November, 2017,
| Abstract | BibTex

21Papers in Conferences

M. Ghafari, A. Guarda, Nuno M. M. Rodrigues, F. Pereira, Learning-Based Point Cloud Decoding with Independent and Scalable Reduced Complexity, IEEE International Conference on Image Processing ICIP, Abu Dhabi, United Arab Emirates, October, 2024,
| Abstract | Full text (PDF 604 KBs) | BibTex
D. Mari, A. Guarda, Nuno M. M. Rodrigues, S. Milani, F. Pereira, Point Cloud Geometry Scalable Coding with a Quality-Conditioned Latents Probability Estimator, IEEE International Conference on Image Processing ICIP, Abu Dhabi, United Arab Emirates, October, 2024,
| Abstract | Full text (PDF 697 KBs) | BibTex
M. Ghafari, A. Guarda, Nuno M. M. Rodrigues, F. Pereira, Point Cloud Geometry Coding with Relational Neighborhood Self-Attention, IEEE International Workshop on Multimedia Signal Processing MMSP, West Lafayette, IN, United States, October, 2024,
| Abstract | Full text (PDF 706 KBs) | BibTex
M. Ghafari, A. Guarda, Nuno M. M. Rodrigues, F. Pereira, Deep Learning-based Point Cloud Geometry Coding with Attention Models, IEEE International Symposium on Multimedia (ISM), Laguna Hills, CA, United States, December, 2023,
| Abstract | BibTex
A. Guarda, Nuno M. M. Rodrigues, F. Pereira, Point Cloud Geometry and Color Coding in a Learning-Based Ecosystem for JPEG Coding Standards, IEEE International Conference on Image Processing ICIP, Kuala Lumpur, Malaysia, October, 2023,
| Abstract | Full text (PDF 577 KBs) | BibTex
M. Ruivo, A. Guarda, F. Pereira, Learning-Based Rate Control for Learning-Based Point Cloud Geometry Coding, IEEE International Conference on Image Processing ICIP, Kuala Lumpur, Malaysia, October, 2023,
| Abstract | BibTex
A. Seleem, A. Guarda, Nuno M. M. Rodrigues, F. Pereira, Deep Learning-Based Compressed Domain Point Cloud Classification, IEEE International Conference on Image Processing ICIP, Kuala Lumpur, Malaysia, October, 2023,
| Abstract | BibTex
M. Ruivo, A. Guarda, F. Pereira, Learning-based Point Cloud Geometry Coding Rate Control, IEEE Data Compression Conference - DCC, Snowbird, UT, United States, March, 2023,
| Abstract | BibTex
L. Coelho, A. Guarda, F. Pereira, Deep Learning-based Point Cloud Joint Geometry and Color Coding: Designing a Perceptually-Driven Differentiable Training Distortion Metric, IEEE International Conference on Multimedia Big Data BigMM, Naples, Italy, December, 2022,
| Abstract | Full text (PDF 890 KBs) | BibTex
A. Seleem, A. Guarda, Nuno M. M. Rodrigues, F. Pereira, Impact of Conventional and Deep Learning-based Point Cloud Geometry Coding on Deep Learning-based Classification Performance, IEEE International Symposium on Multimedia (ISM), Naples, Italy, December, 2022,
| Abstract | Full text (PDF 1006 KBs) | BibTex
M. Ruivo, A. Guarda, F. Pereira, Double-Deep Learning-Based Point Cloud Geometry Coding with Adaptive Super-Resolution, IEEE European Workshop on Visual Information Processing - EUVIP, Lisbon, Portugal, September, 2022,
| Abstract | Full text (PDF 568 KBs) | BibTex
A. Guarda, Nuno M. M. Rodrigues, F. Pereira, Point Cloud Geometry Scalable Coding With a Single End-to-End Deep Learning Model, IEEE International Conference on Image Processing ICIP, Abu Dhabi, United Arab Emirates, Vol., pp. 3354 - 3358, October, 2020,
| Abstract | Full text (PDF 599 KBs) | BibTex
A. Guarda, Nuno M. M. Rodrigues, F. Pereira, Deep Learning-based Point Cloud Geometry Coding with Resolution Scalability, IEEE International Workshop on Multimedia Signal Processing MMSP, Tampere, Finland, Vol., pp. 1 - 6, September, 2020,
| Abstract | Full text (PDF 666 KBs) | BibTex
A. Guarda, Nuno M. M. Rodrigues, F. Pereira, Deep Learning-Based Point Cloud Geometry Coding: RD Control Through Implicit and Explicit Quantization, IEEE International Conference on Multimedia & Expo Workshops (ICMEW), London, United Kingdom, Vol., pp. 1 - 6, July, 2020,
| Abstract | Full text (PDF 567 KBs) | BibTex
A. Guarda, Nuno M. M. Rodrigues, F. Pereira, Point Cloud Coding: Adopting a Deep Learning-based Approach, Picture Coding Symp., Ningbo, China, Vol., pp. 1 - 5, November, 2019,
| Abstract | Full text (PDF 453 KBs) | BibTex
A. Guarda, Nuno M. M. Rodrigues, F. Pereira, Deep Learning-based Point Cloud Coding: a Behavior and Performance Study, IEEE European Workshop on Visual Information Processing - EUVIP, Rome, Italy, Vol., pp. 34 - 39, October, 2019,
| Abstract | Full text (PDF 972 KBs) | BibTex
A. Guarda, J. Bioucas-Dias, Nuno M. M. Rodrigues, F. Pereira, Improving Point Cloud to Surface Reconstruction with Generalized Tikhonov Regularization, IEEE Workshop on MultiMedia Signal Processing - MMSP, Luton, United Kingdom, Vol., pp. 1 - 6, October, 2017,
| Abstract | Full text (PDF 1 MB) | BibTex
João M. Santos, A. Guarda, L. A. S. C. Cruz, Nuno M. M. Rodrigues, S.M.M. Faria, Compression of medical images using MRP with bi-directional prediction and histogram packing, Picture Coding Symp., Nuremberg, Germany, Vol., pp. 1 - 5 - https://doi.org/10.1109/PCS.2016.7906386, December, 2016,
| Abstract | BibTex
S.M.M. Faria, João M. Santos, A. Guarda, Nuno M. M. Rodrigues, Contributions to Lossless Coding of Medical Images using Minimum Rate Predictors, IEEE International Conf. on Image Processing - ICIP, Quebec City, Canada, Vol., pp. 2935 - 2939 - https://doi.org/10.1109/ICIP.2015.7351340, September, 2015,
| Abstract | BibTex
A. Guarda, João M. Santos, L. A. S. C. Cruz, P.A. Assunção, Nuno M. M. Rodrigues, S.M.M. Faria, Orientation dependent inter-slice prediction for volumetric medical images, Conf. on Telecommunications - ConfTele, Aveiro, Portugal, Vol. -, pp. - - -, September, 2015,
| Abstract | BibTex
A. Guarda, João M. Santos, D. B. G. Graziosi, Nuno M. M. Rodrigues, S.M.M. Faria, A Novel Trilateral Filter Technique for Depth Map Processing in 3D Video Coding, 3DTV Conf. - 3DTV-CON, Budapest, Hungary, Vol. -, pp. 1 - 4 - https://doi.org/10.1109/3DTV.2014.6874731, July, 2014,
| Abstract | BibTex

1Non-refereed Publications

A. Guarda, Nuno M. M. Rodrigues, F. Pereira, IT/IST/IPLeiria Response to the Call for Evidence on JPEG Pleno Point Cloud Coding, ISO/IEC JTC 1/SC29/WG1 M90019, January 2021,
| Abstract | Full text (PDF 2 MBs)

Projects

Closed Projects1

Acronym	Name	Funding Agency	Start date	Ending date
Deep-PCR	Deep learning-based Point Cloud Representation	FCT	01-01-2022	31-08-2025

IT Former Collaborator

André Guarda

Scientific Achievements

Co-Supervision of theses

Closed Projects1