Luis Alberto da Silva Cruz

Luís Cruz

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

Email: Send Email
Address: Dep. of Electrical and Computer Engineering - Univ. of Coimbra
Pólo 2 UC
3030-290 Coimbra
Portugal
Tel: +351 239 796 348
Fax: +351 239 796 273

Alternative Personal Web Page

https://www.orcid.org/0000-0003-1141-4404

Bio

Luis Cruz received the Licenciado and M.Sc. degrees in Electrical Engineering from the University of Coimbra, Portugal, in 1989 and 1993 respectively. He also holds an MSc degree in Mathematics and a Ph.D. degree in Electrical Computer and Systems Engineering from Rensselaer Polytechnic Institute (RPI), Troy, NY, US granted in 1997 and 2000 respectively. He has been with the Department of Electrical and Computer Engineering of the University of Coimbra in Portugal since 1990 first as a Teaching Assistant and as an Assistant Professor since 2000. He is a researcher of the Institute for Telecommunications of Coimbra where he works on video processing and coding, medical image processing and wireless communications. He is a member of the EURASIP, SPIE and IEEE technical societies.

Scientific Achievements

Degrees

PhD, Rensselaer Polytechnic Institute, 29-12-2000
MSc, Rensselaer Polytechnic Institute, 29-08-1997
Licenciatura, Universidade de Coimbra, 01-07-1989

Affiliations

SPIE, 01-01-2014, Associate
EURASIP, 01-01-2013, Member
IEEE - Institute of Electrical and Electronics Engineers, 01-01-2011, Senior
Dep. of Electrical and Computer Engineering - University of Coimbra, 01-01-1990, Assistant Professor

Expertise Topics

Video Coding
Medical Image Processing
Image Coding

Academic Activities

9Lecture courses

Programação de Computadores, Universidade de Coimbra, Mestrado Integrado em Engenharia Electrotécnica e de Computadores

Comunicações Móveis, Universidade de Coimbra, Mestrado Integrado em Engenharia Electrotécnica e de Computadores

Comunicações Móveis, Universidade de Coimbra, Mestrado Integrado em Engenharia Electrotécnica e de Computadores
Comunicação de Audio e Vídeo, Universidade de Coimbra, Mestrado em Engenharia Electrotécnica e de Computadores
Compressão de Imagem e Sinais de Vídeo, Universidade de Coimbra, Programa doutoral em Engenharia Electrotécnica e de Computadores

Information and Communication Technologies, Universidade de Coimbra, MIT Portugal MSc on Complex Transport Infrastructure Systems (CTIS)

Compressão de Imagem e Sinais de Vídeo, Universidade de Coimbra, Programa doutoral em Engenharia Biomédica
Processamento Avançado de Vídeo, Universidade de Coimbra, Mestrado Integrado em Engenharia Electrotécnica e de Computadores
Redes Móveis, Universidade de Coimbra, Programa doutoral em Engenharia Electrotécnica e de Computadores

9Supervision of PhD theses

As Supervisor

Efficient Coding of Microscopy Images for Image Analysis Applications, PhD Student, Francisco Ferreira Cunha, Expected conclusion 12-9999
LiDAR Point Cloud Compression for Resource Constrained Applications, PhD Student, Nuno Alexandre Bettencourt Martins, Expected conclusion 12-2024
Efficient Lossless Coding of Light Fields for medical imaging systems, PhD Student, João Miguel Pereira da Silva Santos, Expected conclusion 12-2022
Automatic Diagnosis of Diabetic Retinopathy using Deep Learning and Multispectral Imaging, PhD Student, Alex Bolívar Cazañas Gordón, Expected conclusion 09-2022
Diagnosis of retinal detachment using multimodal retinal images and deep learning, PhD Student, Esther Maria Parra Mora, Expected conclusion 09-2022
Algoritmos Meta-Heurísticos para Aplicação a Localização Baseada em Sistemas Acústicos, PhD Student, Sérgio Duarte Correia, Defended 06-2020
Methods for Flexible Representation and Coding of 2D and 3D Visual Information, PhD Student, Lino Miguel Moreira Ferreira, Defended 05-2016
CONTRIBUIÇÕES PARA A REDUÇÃO DE COMPLEXIDADE DA CODIFICAÇÃO INTRA NA NORMA HEVC E EXTENSÃO 3D-HEVC, PhD Student, Thaísa Leal da Silva, Defended 06-2015
COMPUTATIONAL COMPLEXITY REDUCTION AND SCALING FOR HIGH EFFICIENCY VIDEO ENCODERS, PhD Student, Guilherme Ribeiro Corrêa, Defended 02-2015

34Supervision of MSc theses

As Supervisor

Image compression using AI techniques, MSc Student, João Miguel Roque Marinheiro, Concluded 07-2020
Optimization of 360 video encoding using HEVC, MSc Student, Iago Coelho Storch, Concluded 08-2018
Pathology-specific retinal image quality estimation, MSc Student, Catarina Penacho, Concluded 02-2018
Retinal vascular tree segmentation using deep processing, MSc Student, Francisca Agra de Almeida Quadros, Concluded 09-2017
TV content identification based on lightweight texture and motion analysis, MSc Student, Francisco Miguel Moreira Miranda Melo Tavares, Concluded 09-2017
TV content identification through bitrate analysis, MSc Student, Ricardo Cordeiro de Sousa, Concluded 05-2017
Volume segmentation algorithms for application to 3D printing of human organ replicas , MSc Student, Ricardo Miguel Machado Ribeiro Guerra, Concluded 09-2016
Reconstrução Automática da Rede Capilar da Retina de um Paciente, MSc Student, Rute Marto, Concluded 09-2016
Micrometastasis detection guidance by whole-slide image texture analysis in colorectal lymph nodes correlated with QUS parameters, MSc Student, Rui Miguel Morgado Venâncio, Concluded 07-2016
Implementation and Optimization of Photocoagulation Retinal Treatment Detection Algorithms, MSc Student, Nuno Filipe Girão Santos Almeida, Concluded 05-2016
Contributions to the Automatic Detection of Laser Marks in Retinal Digital Fundus Images, MSc Student, João Gonçalo Ramalho de Almeida e Sousa, Concluded 09-2015
3D-HEVC computational complexity reduction techniques, MSc Student, Nuno Miguel Fernandes Carvalho, Concluded 07-2015
Load balancing for parallel 3D HEVC coding, MSc Student, Ricardo António da Silva Rocha, Concluded 07-2015
Volumetric medical image compression , MSc Student, Rui Daniel Ribeiro Peliteiro, Concluded 07-2015
Search acceleration methods for large retinal image databases, MSc Student, Diana Craveiro Mourão, Concluded 09-2013
3D IPTV Quality Assessment, MSc Student, João Ricardo Simões Soares, Concluded 09-2013
Implementation of urban radio coverage prediction methods using GIS, MSc Student, David Marques, Concluded 09-2012
Implementation of sub-urban radio coverage prediction methods using GIS, MSc Student, João Tiago dos Santos Martins, Concluded 09-2012
Computable subjective measures for evaluation of 3D video quality, MSc Student, Tiago Simões Gonçalves, Concluded 09-2012
Spatially varying transforms in video coding, MSc Student, Fernando Morais, Concluded 07-2012
Retinal image quality evaluation, MSc Student, João Miguel Pires Dias, Concluded 07-2012
Implementation of Medical Image Registration Methods in Ophthalmology Software Suite, MSc Student, Tiago Luis Leite de Bessa Ferreira, Concluded 07-2012
Compressão de imagem de baixa complexidade para tele-contagem - II, MSc Student, Anselmo Vivas, Concluded 09-2011
Coverage Optimization for 3D RFID-based Location, MSc Student, Cristina Sofia Ramos dos Santos, Concluded 09-2011
Block edge masks e a recepção DVB-T, MSc Student, João Paulo Viana Duque, Concluded 09-2010
Classificação Multimodal da Retina, MSc Student, Pedro Rodrigues, Concluded 09-2010
Sistema para localização e identificação de logomarcas, MSc Student, Edgar Lopes, Concluded 09-2009
Sistema de localização baseado em sinais 802.11, MSc Student, Raul Carvalho Morgado, Concluded 09-2009
Compression of 3D TV signals, MSc Student, Marcos Alexandre Amador Medeiros, Concluded 12-2008
Localização baseada em medição de potência de sinais GSM, MSc Student, Alcino Miguel Santos, Concluded 08-2006
Localização baseada em medição de potência de sinais GSM, MSc Student, André Silva Cabrita, Concluded 08-2006
Localização baseada em medição de potência de sinais GSM, MSc Student, Ricardo Jorge Capela Queirós, Concluded 08-2006
Desenvolvimento de uma plataforma de comunicação de vídeo H.264, MSc Student, Catarina Isabel Dinis Francisco, Concluded 09-2005
Desenvolvimento de uma plataforma de comunicação de vídeo H.264, MSc Student, Nuno José Sequeira Rodrigues, Concluded 09-2005

Publications

1Books

G. Corrêa, P.A. Assunção, L. Agostini, L. A. S. C. Cruz, Complexity-Aware High Efficiency Video Coding, Springer International Publishing, Cham, 2016,
| BibTex

2Books Chapters

L. A. S. C. Cruz, J. Galveia, A. T. Travassos, F. Q. Quadros, Computer Aided Diagnosis in Ophthalmology: Deep Learning Applications, Chapter in, Classification in BioApps Automation of Decision Making, Nilanjan Dey, Amira S. Ashour, Surekha Borra, Springer, Cham, Switzerland, 2018
G. Corrêa, P.A. Assunção, P.A. Assunção, L. Agostini, L. A. S. C. Cruz, Computational Resource Management for Video Coding in Mobile Environments, Chapter in, Resource Management in Mobile Computing Environments, Constandinos X. Mavromoustakis, Evangelos Pallis, George Mastorakis, Springer, Berlin, 2014

32Papers in Journals

M. Grellert, L. A. S. C. Cruz, B. Zatt, S. Bampi, Coding mode decision algorithm for fast HEVC transrating using heuristics and machine learning, Journal of Real-Time Image Processing, Vol. 18, No. 6, pp. 1881 - 1896, December, 2021,
| Abstract | Full text (PDF 2 MBs) | BibTex
E. M. Mora, A. C. Cazañas, R. Proença, L. A. S. C. Cruz, Epiretinal Membrane Detection in Optical Coherence Tomography Retinal Images Using Deep Learning, IEEE Access, Vol. 9, No. 1, pp. 99201 - 99219, July, 2021,
| Abstract | Full text (PDF 3 MBs) | BibTex
A. C. Cazañas, E. M. Mora, L. A. S. C. Cruz, Ensemble Learning Approach to Retinal Thickness Assessment in Optical Coherence Tomography, IEEE Access, Vol. 9, No. 1, pp. 67349 - 6736, April, 2021,
| Abstract | Full text (PDF 1 MB) | BibTex
E. Dumic, L. A. S. C. Cruz, Point Cloud Coding Solutions, Subjective Assessment and Objective Measures: A Case Study, Symmetry, Vol. 12, No. 12, pp. 1955 - 1955, November, 2020,
| Abstract | Full text (PDF 14 MBs) | BibTex
S. D. Correia Correia, M.B. Beko, S. Tomic, L. A. S. C. Cruz, Energy-based Acoustic Localization by Improved Elephant Herding Optimization, IEEE Access, Vol. 0, No. 0, pp. 1 - 1, February, 2020,
| Abstract | Full text (PDF 1 MB) | BibTex
E. Dumic, KS Krešimir Šakić, L. A. S. C. Cruz, Crowdsourced subjective 3D video quality assessment, Multimedia Systems, Vol. 25, No. 6, pp. 673 - 694, May, 2019,
| Abstract | BibTex
S. Perry, A. Pinheiro, E. Dumic, L. A. S. C. Cruz, Study of Subjective and Objective Quality Evaluation of 3D Point Cloud Data by the JPEG Committee, Journal of Electronic Imaging, Vol. 2019, No. 10, pp. 312 - 1, January, 2019 | BibTex
S. D. Correia Correia, M.B. Beko, L. A. S. C. Cruz, S. Tomic, Elephant Herding Optimization for Energy-Based Localization, Sensors, Vol. -, No. -, pp. 1 - 14, August, 2018,
| Abstract | BibTex
João M. Santos, P.A. Assunção, L. A. S. C. Cruz, L.M. Távora, R. Pinto, S.M.M. Faria, Lossless coding of light field images based on minimum-rate predictors, Journal of Visual Communication and Image Representation, Vol. 54, No. 0, pp. 21 - 30, July, 2018,
| Abstract | Full text (PDF 10 MBs) | BibTex
M. Grellert, B. Zatt, S. Bampi, L. A. S. C. Cruz, Fast Coding Unit Partition Decision for HEVC Using Support Vector Machines, IEEE Transactions on Circuits and Systems for Video Technology, Vol. 0, No. 0, pp. 1 - 1, May, 2018 | Full text (PDF 4 MBs) | 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
P.A. Assunção, L. A. S. C. Cruz, J Debono, Recent Advances in Complexity Reduction Methods for High Efficiency Video Coding, IEEE COMSOC MMTC Communications - Frontiers, Vol. 12, No. 5, pp. 12 - 19, September, 2017 | Full text (PDF 1 MB) | BibTex
João M. Santos, P.A. Assunção, L. A. S. C. Cruz, L.M. Távora, R. Pinto, S.M.M. Faria, Performance evaluation of light field pre-processing methods for lossless standard coding, IEEE COMSOC MMTC Communications - Frontiers, Vol. 12, No. 4, pp. 44 - 49, July, 2017 | Full text (PDF 744 KBs) | BibTex
L. Lucas, Nuno M. M. Rodrigues, L. A. S. C. Cruz, S.M.M. Faria, Lossless Compression of Medical Images Using 3D Predictors, IEEE Transactions on Medical Imaging, Vol. PP, No. 99, pp. 1 - 1, June, 2017,
| Abstract | BibTex
L. A. S. C. Cruz, M. Cordina, J Debono, P.A. Assunção, Quality Monitor for 3-D Video Over Hybrid Broadcast Networks, IEEE Transactions on Broadcasting, Vol. 1, No. 1, pp. 1 - 15, November, 2016,
| Abstract | Full text (PDF 2 MBs) | BibTex
G. Corrêa, P.A. Assunção, L. Agostini, L. A. S. C. Cruz, Pareto-Based Method for High Efficiency Video Coding with Limited Encoding Time, IEEE Transactions on Circuits and Systems for Video Technology, Vol. 26, No. 9, pp. 1734 - 1745, September, 2016,
| Abstract | BibTex
L.F. Ferreira, L. A. S. C. Cruz, P.A. Assunção, Towards key-frame extraction methods for 3D video: a review, Eurasip Journal on Image and Video Processing, Vol. 1, No. 1, pp. 1 - 19, September, 2016,
| Abstract | BibTex
G. Corrêa, P.A. Assunção, L. Agostini, L. A. S. C. Cruz, Complexity scalability for real-time HEVC encoders, Journal of Real-Time Image Processing, Vol. 12, No. 01, pp. 107 - 122, June, 2016,
| Abstract | BibTex
G. Corrêa, P.A. Assunção, L. Agostini, L. A. S. C. Cruz, Fast coding tree structure decision for HEVC based on classification trees, Analog Integrated Circuits and Signal Processing, Vol. 87, No. 2, pp. 129 - 139, May, 2016,
| Abstract | BibTex
E. Dumic, SG Sonja Grgić, KS Krešimir Šakić, PR Regalo Rocha, L. A. S. C. Cruz, 3D video subjective quality: a new database and grade comparison study, Multimedia Tools and Applications, Vol. 1, No. 1, pp. 1 - 23, January, 2016,
| Abstract | Full text (PDF 1 MB) | BibTex
L.F. Ferreira, L. A. S. C. Cruz, P.A. Assunção, UHD Video Retargeting based on Visual Attention Models and Temporal Consistency, IEEE COMSOC MMTC Communications - Frontiers, Vol. 11, No. 1, pp. 79 - 84, January, 2016 | Full text (PDF 491 KBs) | BibTex
E. M Monteiro, G. Corrêa, L. A. S. C. Cruz, SB Bampi, From HD to UHD video: implications for embedded systems implementations of software-based HEVC video encoders, IEEE COMSOC MMTC Communications - Frontiers, Vol. 11, No. 1, pp. 61 - 67, January, 2016 | BibTex
L.F. Ferreira, L. A. S. C. Cruz, P.A. Assunção, A generic framework for optimal 2D/3D key-frame extraction driven by aggregated saliency maps, Signal Processing: Image Communication, Vol. 39, No. Part A, pp. 98 - 110, November, 2015,
| Abstract | BibTex
T. Silva, L. Agostini, L. A. S. C. Cruz, Fast intra prediction algorithm based on texture analysis for 3D-HEVC encoders, Journal of Real-Time Image Processing, Vol. 0, No. 0, pp. 1 - 12, November, 2015,
| Abstract | Full text (PDF 1 MB) | BibTex
G. Corrêa, P.A. Assunção, L. Agostini, L. A. S. C. Cruz, Fast HEVC Encoding Decisions Using Data Mining, IEEE Transactions on Circuits and Systems for Video Technology, Vol. 25, No. 4, pp. 660 - 673, April, 2015,
| Abstract | BibTex
T. Silva, L. Agostini, L. A. S. C. Cruz, HEVC Intra Prediction Acceleration Based on Texture Direction and Prediction Unit Modes Reuse, APSIPA Transactions on Signal and Information Processing, Vol. 3, No. e13, pp. 1 - 13, December, 2014 | BibTex
T. Silva, L. Agostini, L. A. S. C. Cruz, Inter-view prediction of intra mode decision for high-efficiency video coding-based multiview video coding, Journal of Electronic Imaging, Vol. 23, No. 3, pp. 033008-1 - 033008-24, May, 2014 | BibTex
G. Corrêa, P.A. Assunção, L. Agostini, L. A. S. C. Cruz, Performance and Computational Complexity Assessment of High-Efficiency Video Encoders, IEEE Transactions on Circuits and Systems for Video Technology, Vol. 22, No. 12, pp. 1899 - 1909, December, 2012,
| Abstract | BibTex
J. M. P. D. Pires Dias, C. M. O. Manta Oliveira, L. A. S. C. Cruz, Retinal image quality assessment using generic image quality indicators, Information Fusion, Vol. 13, No. 0, pp. 1 - 18, August, 2012,
| Abstract | Full text (PDF 1 MB) | BibTex
G. Corrêa, L. Agostini, L. A. S. C. Cruz, Sample-Level Filtering Order for High-Throughput and Memory-Aware H.264 Deblocking Filter, international scholarly research notices., Vol. 2012, No. 1, pp. 1 - 6, May, 2012,
| Abstract | BibTex
G. Corrêa, P.A. Assunção, L. Agostini, L. A. S. C. Cruz, Complexity control of high efficiency video encoders for power-constrained devices, IEEE Transactions on Consumer Electronics, Vol. 57, No. 4, pp. 1866 - 1874, November, 2011,
| Abstract | BibTex
T. Silva, L. A. S. C. Cruz, L. Agostini, A Novel Macroblock-Level Filtering Upsampling Architecture for H.264/AVC Scalable Extension, Journal of Integrated Circuits and Systems, Vol. 6, No. 1, pp. 43 - 49, March, 2011,
| Abstract | BibTex

76Papers in Conferences

S. Perry, H. Con, A. Pinheiro, L. A. S. C. Cruz, J. Prazeres, M. Sousa, E. Dumic, E. Alexiou, T.E. Ebrahimi, Quality evaluation of static point clouds encoded using MPEG codecs, IEEE International Conf. on Image Processing - ICIP, abu dhabi, United Arab Emirates, October, 2020 | BibTex
L. A. S. C. Cruz, J. Galveia, A. T. Travassos, Image and Ontological Information Fusion for Cataract Surgery Recommendation, European Signal Processing Conference EUSIPCO, A Coruña, Spain, September, 2019,
| Abstract | Full text (PDF 491 KBs) | BibTex
João M. Santos, P.A. Assunção, L. A. S. C. Cruz, L.M. Távora, R. Pinto, S.M.M. Faria, Rate-Complexity Trade-Off in Minimum Rate Predictors Light Field Lossless Encoding, EURASIP European Light Field Imaging Workshop ELFI, Borovets, Bulgaria, June, 2019,
| Abstract | BibTex
L. Lucas, S.M.M. Faria, Nuno M. M. Rodrigues, L. A. S. C. Cruz, Lossless Video Compression Using Minimum Rate Predictors and Volumetric Optimisation, Conf. on Telecommunications - ConfTele, Lisboa, Portugal, June, 2019,
| Abstract | Full text (PDF 219 KBs) | BibTex
João M. Santos, P.A. Assunção, L. A. S. C. Cruz, L.M. Távora, R. Pinto, S.M.M. Faria, Lossless compression of Light Fields using multi-reference Minimum Rate Predictors, IEEE Data Compression Conference - DCC, Snowbird, Utah, United States, March, 2019,
| Abstract | Full text (PDF 6 MBs) | BibTex
I. Storch, B. Zatt, L. Agostini, L. A. S. C. Cruz, D. Palomino, FastIntra360: A Fast Intra-Prediction Technique for 360-Degrees Video Coding, IEEE Data Compression Conference - DCC, Salt Lake City, United States, March, 2019 | Full text (PDF 597 KBs) | BibTex
C. Santos, F. Lopes, A. Pinheiro, L. A. S. C. Cruz, A Sub-Partitioning Method for Point Cloud Inter-prediction Coding, Visual Communications and Image Processing - VCIP, Taichung, Taiwan, December, 2018,
| Abstract | BibTex
M. Grellert, T. Oliveira, C. Duarte, L. A. S. C. Cruz, Fast HEVC Transrating using Random Forests, Visual Communications and Image Processing - VCIP, Taichung, Taiwan, December, 2018,
| Abstract | Full text (PDF 181 KBs) | BibTex
S. D. Correia Correia, M.B. Beko, L. A. S. C. Cruz, S. Tomic, Implementation and Validation of Elephant Herding Optimization Algorithm for Acoustic Localization, Telecomunications Forum - TELFOR, Belgrado, Serbia & Montenegro, Vol., pp. 1 - 4, November, 2018,
| Abstract | BibTex
E. Alexiou, A. Pinheiro, C. Duarte, D. Matkovic, E. Dumic, L. A. S. C. Cruz, L. Dmitrovic, M. Bernardo, M. Sousa, T.E. Ebrahimi, Point cloud subjective evaluation methodology based on reconstructed surfaces, SPIE Optical Engineering + Applications (OP18O), Applications of Digital Image Processing XLI SPIE - OP180, San Diego, United States, August, 2018 | BibTex
João M. Santos, P.A. Assunção, L. A. S. C. Cruz, L.M. Távora, R. Pinto, S.M.M. Faria, Lossless Light-Field Compression Using Reversible Colour Transformations, International Conference on Image Processing Theory, Tools and Applications IPTA, Montreal, Canada, Vol., pp. 1 - 6, November, 2017,
| Abstract | BibTex
N. Martins-Ferreira, L.F. Ferreira, P. Pascoal-Faria, L. A. S. C. Cruz, P.A. Assunção, N. Alves, A Method for Automatic Detection of Rectangular Regions of Interest in Arbitrary Images, International Conference of Numerical Analysis and Applied Mathematics ICNAAM, Thessaloniki, Greece, Vol. AIP Conference Proceedings 1978, pp. 160009-1 - 160009-10, September, 2017 | BibTex
PR Regalo Rocha, P.A. Assunção, L. A. S. C. Cruz, Quality evaluation of 3D video for QoE management in media networks, IEEE IFIP/IEEE International Workshop on Quality of Experience Management QoE-Management 2017, Lisbon, Portugal, Vol., pp. 1031 - 1033, May, 2017,
| Abstract | BibTex
L.F. Ferreira, P.A. Assunção, L. A. S. C. Cruz, 3D Key-frame extraction method based on visual saliency, 3D Stereo Media International conference on 3D Imaging IC3D, Liege, Belgium, Vol. 1, pp. 1 - 7, December, 2016,
| Abstract | 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
RJMMJ Macedo Mota João, R. Marinheiro, P.A. Assunção, L. A. S. C. Cruz, A Flexible Monitor for Assessing 3D Video QoE in Real-time, IEEE ICC Workshop - Quality of Experience-based Management for Future Internet Applications and Services - QoE-FI, Kuala Lumpur, Malaysia, Vol. 0, pp. 0 - 0, May, 2016 | BibTex
L.F. Ferreira, L. A. S. C. Cruz, P.A. Assunção, An improved method to compute visual saliency in 3D video, Conf. on Telecommunications - ConfTele, Aveiro, Portugal, September, 2015,
| Abstract | BibTex
AFRG Guarda, J. M. 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. - http://id.bnportugal.gov.pt/bib/bibnacional/1934127, September, 2015 | 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
L.F. Ferreira, P.A. Assunção, L. A. S. C. Cruz, A method to compute saliency regions in 3D video based on fusion of feature maps, IEEE International Conf. on Multimedia and Expo - ICME, Turin, Italy, Vol. 0, pp. 1 - 6, June, 2015,
| Abstract | BibTex
G. Corrêa, P.A. Assunção, L. Agostini, L. A. S. C. Cruz, Encoding Time Control System for HEVC Based on Rate-Distortion-Complexity Analysis, IEEE International Symp. on Circuits and Systems - ISCAS, Lisbon, Portugal, Vol. 1, pp. 1114 - 1117, May, 2015 | BibTex
CM Mysirlidis, T.D. Dagiuklas, PR Regalo Rocha, L. A. S. C. Cruz, DK Kotaranin, SG Gruicic, E. Dumic, AS Skodras, STESCAL3D: Subjective evaluation of HD stereo video streaming using H.264 SVC in diverse laboratory environments, IEEE International Workshop on Quality of Multimedia Experience - QoMEX, Costa Navarrino, Greece, Vol. 1, pp. 1 - 6, May, 2015,
| Abstract | Full text (PDF 321 KBs) | BibTex
G. Corrêa, P.A. Assunção, L. Agostini, L. A. S. C. Cruz, Four-step Algorithm for Early Termination in HEVC Inter-frame Prediction based on Decision Trees, Visual Communications and Image Processing - VCIP, Valleta, Malta, Vol. 1, pp. 1 - 4, December, 2014,
| Abstract | BibTex
G. Corrêa, P.A. Assunção, L. Agostini, L. A. S. C. Cruz, Classification-Based Early Termination for Coding Tree Structure Decision in HEVC, IEEE International Conf. on Electronics, Circuits and Integrated Systems - ICECS, Marseille, France, Vol. 1, pp. 1 - 4, December, 2014,
| Abstract | BibTex
T. Silva, L. Agostini, L. A. S. C. Cruz, Complexity Reduction of Depth Intra Coding for 3D Video Extension of HEVC, Visual Communications and Image Processing - VCIP, Valletta, Malta, Vol. -, pp. 229 - 232, December, 2014 | BibTex
J. R. Soares, P.A. Assunção, L. A. S. C. Cruz, R. Marinheiro, No-Reference Lightweight Estimation of 3D Video Objective Quality, IEEE International Conf. on Image Processing - ICIP, Paris, France, Vol. 1, pp. 763 - 767, October, 2014,
| Abstract | BibTex
G. Corrêa, P.A. Assunção, L. Agostini, L. A. S. C. Cruz, A Method for Early-Splitting of HEVC Inter Blocks Based on Decision Trees, European Signal Processing Conference EUSIPCO, Lisbon, Portugal, Vol. 1, pp. 1 - 4, September, 2014 | BibTex
E. Dumic, SG Sonja Grgić, DJB Bermejo, L. A. S. C. Cruz, Benchmark of state of the art objective measures for 3D stereoscopic video quality assessment on the Nantes database, International Symp. Electronics in Marine - ELMAR, Zadar, Croatia, Vol. 1, pp. 1 - 4, September, 2014,
| Abstract | Full text (PDF 237 KBs) | BibTex
E. Dumic, S. Grgic, L. A. S. C. Cruz, P.A. Assunção, Objective Quality Measures Comparison of Impaired 3D Video Sequences from the UC3D Database, 3DTV Conf. - 3DTV-CON, Budapest, Hungary, Vol. 1, pp. 1 - 4, July, 2014 | BibTex
T. Silva, L. Agostini, L. A. S. C. Cruz, HEVC Intra Mode Decision Acceleration Based on Tree Depth Levels Relationship, Picture Coding Symp., San Jose - California, United States, Vol., pp. N/A - N/A, December, 2013,
| Abstract | BibTex
T. Silva, L. Agostini, L. A. S. C. Cruz, Inter-view Prediction of Coding Tree Depth for HEVC-based Multiview Video Coding, IEEE International Conf. on Electronics, Circuits and Integrated Systems - ICECS, Abu Dhabi, United Arab Emirates, Vol., pp. N/A - N/A, December, 2013,
| Abstract | BibTex
G. Corrêa, P.A. Assunção, L. Agostini, L. A. S. C. Cruz, Constrained Encoding Structures for Computational Complexity Scalability in HEVC, Picture Coding Symp., San Jose, United States, Vol. 1, pp. 1 - 4, December, 2013 | BibTex
G. Corrêa, P.A. Assunção, L. Agostini, L. A. S. C. Cruz, Computational Complexity Control For HEVC Based on Coding Tree Spatio-Temporal Correlation, IEEE International Conf. on Electronics, Circuits and Integrated Systems - ICECS, Abu Dhabi, United Arab Emirates, Vol. 1, pp. 1 - 4, December, 2013 | BibTex
L. A. S. C. Cruz, D. C. M. Mourão, C. M. O. Manta Oliveira, Retinal Image Recognition using Tree Data Structure Search Method with Fractal Dimension Descriptors, International Conf. on Health and Social Care Information Systems and Technologies - HCist, Lisboa, Portugal, Vol. 1, pp. 1 - 4, October, 2013 | BibTex
T. Silva, L. Agostini, L. A. S. C. Cruz, Speeding Up HEVC Intra Coding Based on Tree Depth Inter-levels Correlation Structure, European Signal Processing Conference EUSIPCO, Marrakech, Morocco, Vol., pp. 1 - 5, September, 2013,
| Abstract | BibTex
T. Silva, L. Agostini, L. A. S. C. Cruz, HEVC Intra Coding Acceleration Based on Tree Inter-level Mode Correlation, Signal Processing: Algorithms, Architectures, Arrangements, and Applications - SPA, Poznan, Poland, Vol., pp. 88 - 93, September, 2013,
| Abstract | BibTex
G. Corrêa, P.A. Assunção, L. Agostini, L. A. S. C. Cruz, Complexity control of HEVC through quadtree depth estimation, International Conf. on Computer as a Tool - Eurocon, Zagreb, Croatia, Vol. 1, pp. 81 - 86, June, 2013 | BibTex
L. A. S. C. Cruz, J. M. P. D. Pires Dias, C. M. O. Manta Oliveira, Detection of laser marks in retinal images, IEEE International Symp. on Computer-Based Medical Systems - CBMS, Porto, Portugal, Vol. 1, pp. 53 - 2, June, 2013 | BibTex
L.F. Ferreira, P.A. Assunção, L. A. S. C. Cruz, 3D video shot boundary detection based on clustering of depth-temporal features, International Workshop on Content-Based Multimedia Indexing - CBMI, Veszprém, Hungary, Vol., pp. 1 - 6, June, 2013,
| Abstract | BibTex
B. Feitor, P.A. Assunção, J. R. Soares, L. A. S. C. Cruz, R. Marinheiro, Objective quality prediction model for lost frames in 3D video over TS, IEEE ICC Workshop - Immersive and Interactive Multimedia Communications over the Future Internet, Budapest, Hungary, Vol. 1, pp. 622 - 625, June, 2013 | BibTex
L.F. Ferreira, P.A. Assunção, L. A. S. C. Cruz, 3D Video Key-Frame Selection based on Colour and Depth, Conf. on Telecommunications - ConfTele, Castelo Branco, Portugal, Vol., pp. 165 - 168, May, 2013,
| Abstract | BibTex
G. Corrêa, P.A. Assunção, L. Agostini, L. A. S. C. Cruz, Maximum Coding Tree Depth Adjustment for Complexity Scalability of HEVC, Conf. on Telecommunications - ConfTele, Castelo Branco, Portugal, Vol. 1, pp. 289 - 292, May, 2013 | BibTex
T. Silva, L. Agostini, L. A. S. C. Cruz, HEVC Intra Mode Decision Based on Prediction Unit Texture and Quad-tree Interlevel Correlation, Conf. on Telecommunications - ConfTele, Castelo Branco, Portugal, Vol., pp. 229 - 231, May, 2013,
| Abstract | BibTex
B. Feitor, P.A. Assunção, J. R. Soares, L. A. S. C. Cruz, R. Marinheiro, No-Reference Quality Models for Single Frame Loss in 3D Video, Conf. on Telecommunications - ConfTele, Castelo Branco, Portugal, Vol. -, pp. - - -, May, 2013 | BibTex
G. Corrêa, P.A. Assunção, L. Agostini, L. A. S. C. Cruz, Coding Tree Depth Estimation for Complexity Reduction of HEVC, IEEE Data Compression Conference - DCC, Snowbird, United States, Vol. 1, pp. 43 - 52, March, 2013,
| Abstract | Full text (PDF 586 KBs) | BibTex
G. Corrêa, P.A. Assunção, L. Agostini, L. A. S. C. Cruz, Dynamic tree-depth adjustment for low power HEVC encoders, IEEE International Conf. on Electronics, Circuits and Integrated Systems - ICECS, Sevilla, Spain, Vol. 1, pp. 564 - 567, December, 2012 | BibTex
T. Silva, L. Agostini, L. A. S. C. Cruz, Fast HEVC intra mode decision based on dominant edge evaluation and tree structure dependencies, IEEE Conf. on Electronics, Circuits and System, Seville, Spain, Vol., pp. 568 - 571, December, 2012,
| Abstract | BibTex
G. Corrêa, P.A. Assunção, L. Agostini, L. A. S. C. Cruz, Motion Compensated Tree Depth Limitation for Complexity Control of HEVC Encoding, IEEE International Conf. on Image Processing - ICIP, Orlando, United States, Vol. 1, pp. 1 - 4, October, 2012 | Full text (PDF 191 KBs) | BibTex
T. Silva, L. Agostini, L. A. S. C. Cruz, Fast HEVC Intra Prediction Mode Decision Based on Edge Direction Information, European Signal Processing Conference EUSIPCO, Bucharest, Romania, Vol. 1, pp. 1214 - 1218, August, 2012,
| Abstract | Full text (PDF 393 KBs) | BibTex
Pedro F. Correia, L.F. Ferreira, P.A. Assunção, L. A. S. C. Cruz, V. Silva, Optimal priority MDC video streaming for networks with path diversity, International Conf. on Telecommunications and Multimedia (Temu), Heraklion, Greece, Vol. --, pp. 54 - 59, July, 2012 | BibTex
F. Lopes, V. Santos, L. A. S. C. Cruz, A Combinatorial Analysis and a Closed-Form Analytical Expression for the Signal to Third-Order Distortion Ratio in OFDM Signals through Smooth Memoryless Nonlinearity, International Conf. on Telecommunications and Signal Processing - TSP, Prague, Czech Republic, Vol. I, pp. 689 - 694, July, 2012,
| Abstract | BibTex
G. Corrêa, P.A. Assunção, L. Agostini, L. A. S. C. Cruz, Adaptive Coding Tree for Complexity Control of High Efficiency Video Encoders, Picture Coding Symp., Krakow, Poland, Vol. 1, pp. 425 - 428, May, 2012,
| Abstract | Full text (PDF 371 KBs) | BibTex
L.F. Ferreira, L. A. S. C. Cruz, P.A. Assunção, Efficient Scalable Coding of Video Summaries using Dynamic GOP Structures, Conf. on Telecommunications - ConfTele, Lisbon, Portugal, Vol. 1, pp. 1 - 4, April, 2011,
| Abstract | Full text (PDF 217 KBs) | BibTex
L.F. Ferreira, L. A. S. C. Cruz, P.A. Assunção, A Method to Encode Video Summaries Using Temporal Scalability, Workshop on Picture Coding and Image Processing - WPCIP, Nagoya, Japan, Vol., pp. x - x, December, 2010 | BibTex
L. A. S. C. Cruz, L.F. Ferreira, P.A. Assunção, An Improved Sub-optimal Video Summarization Algorithm, International Symp. Electronics in Marine - ELMAR, Zadar, Croatia, Vol. 1, pp. 135 - 138, September, 2010 | BibTex
L. A. S. C. Cruz, L. Agostini, A Novel Macroblock-level Filtering Upsampling Architecture for H.264/AVC Scalable Extension, Symp. on Integrated Circuits and Systems Design - SBCCI, São Paulo, Brazil, Vol., pp. 163 - 167, September, 2010 | BibTex
L. A. S. C. Cruz, L. Agostini, Interlayer Intra Prediction Architecture for Scalable Extension of H.264/AVC Standard, Jornadas sobre Sistemas Reconfiguráveis - REC, Aveiro, Portugal, Vol. 1, pp. 0 - 0, February, 2010 | BibTex
G. Corrêa, T. Silva, L. A. S. C. Cruz, L. Agostini, Design of an Interlayer Deblocking Filter Architecture for H.264/SVC Based on a Novel Sample-Level Filtering Order, IEEE Workshop on Signal Processing Systems, Tampere, Finland, Vol. 2009, pp. 102 - 108, October, 2009,
| Abstract | BibTex
L. A. S. C. Cruz, L. Agostini, DESIGN OF AN INTERLAYER DEBLOCKING FILTER ARCHITECTURE FOR H.264/SVC BASED ON A NOVEL SAMPLE-LEVEL FILTERING ORDER, IEEE Workshop on Signal Processing Systems, Tampere, Finland, Vol. 1, pp. 102 - 108, September, 2009 | BibTex
L.F. Ferreira, L. A. S. C. Cruz, P.A. Assunção, Video Summary Generation and Coding Using Temporal Scalability, Conf. on Telecommunications - ConfTele, Santa Maria da Feiria, Portugal, Vol. 1, pp. 283 - 286, May, 2009,
| Abstract | BibTex
L. A. S. C. Cruz, A fast FPGA implementation of the inter-layer deblocking filter for H.264/SVC, Conf. on Telecommunications - ConfTele, Santa Maria da Feira, Portugal, Vol. 1, pp. 489 - 492, May, 2009 | BibTex
L. A. S. C. Cruz, L. Agostini, Filtering Order for the H.264 Deblocking Filter and its Hardware Design Targeting the SVC Interlayer Prediction, South Symp. on Microelectronics - SIM, Pelotas, Brazil, Vol., pp. 231 - 234, May, 2009 | BibTex
G. Corrêa, L. Agostini, L. A. S. C. Cruz, A Fast FPGA Implementation of the Inter-layer Deblocking Filter for H.264/SVC, Conf. on Telecommunications - ConfTele, Santa Maria da Feira, Portugal, Vol. 1, pp. 1 - 4, May, 2009 | BibTex
G. Corrêa, T. Silva, L. A. S. C. Cruz, L. Agostini, A Novel Filtering Order for the H.264 Deblocking Filter and Its Hardware Design Targeting the SVC Interlayer Prediction, South Symp. on Microelectronics - SIM, Pelotas, Brazil, Vol. 1, pp. 231 - 234, May, 2009 | BibTex
L. A. S. C. Cruz, L. Agostini, Filtro Redutor de Efeito de Bloco Entre Camadas do Padrão H.264/AVC Escalável, International Workshop IberCHIP, Buenos Aires, Argentina, Vol. -, pp. - - -, March, 2009 | BibTex
G. Corrêa, L. Agostini, L. A. S. C. Cruz, Filtro Redutor de Efeito de Bloco Entre Camadas do Padrão H.264/AVC Escalável, International Workshop IberCHIP, Buenos Aires, Argentina, Vol. 1, pp. 1 - 4, March, 2009 | BibTex
M.M. Medeiros, L. A. S. C. Cruz, An Iterative Approach for Disparity Estimation in Multiview Video Applications, International Symp. on Signal Processing, Image Processing and Pattern Recognition, Haikou, China, Vol. 0, pp. 0 - 0, December, 2008 | BibTex
M.M. Medeiros, L. A. S. C. Cruz, ITERATIVE DISPARITY ESTIMATION FOR MULTIVIEW VIDEO, New Trends in Audio and Video Signal Processing Algorithms, Architectures, Arrangements and Applications - NTAV/SPA, poznan, Poland, Vol. 1, pp. 189 - 193, September, 2008 | BibTex
L.F. Ferreira, L. A. S. C. Cruz, P.A. Assunção, H.264/SVC ROI encoding with spatial scalability, INSTICC International Conf. on Signal Processing and Multimedia Applications - SIGMAP, Porto, Portugal, Vol. 1, pp. x - x, July, 2008 | BibTex
G. Falcão, L. A. S. C. Cruz, E-Grading: Um Sistema Automático de Avaliação pela Web, Conf. ELearning no Ensino Superior - ELES, Aveiro, Portugal, October, 2004 | BibTex
L. A. S. C. Cruz, Adaptive Macro Motion Vector Quantization, IASTED Conf. on Signal and Image Processing, Honolulu, United States, Vol. 1, pp. 292 - 297, August, 2004 | BibTex
L. A. S. C. Cruz, J. W. Woods, Adaptive Motion Vector Vector Quantization for Video Coding, IEEE International Conf. on Image Processing - ICIP, Vancouver, Canada, Vol. II, pp. 867 - 870, September, 2000 | BibTex
L. A. S. C. Cruz, J. W. Woods, Backward Adaptive Motion Vector Vector Quantization for Video Coding, Picture Coding Symp., Portland, United States, Vol. 1, pp. 25 - 28, April, 1999 | BibTex
S.M.M. Faria, P.A. Assunção, L. A. S. C. Cruz, F. Lopes, A. Navarro, J. C. Silvestre, F. Perdigão, V. Silva, L. V. Sá, DSP based hardware for Real-Time Video Coding, Image Processing and Interchange, Implementation and System, San José, United States, February, 1992 | BibTex
S.M.M. Faria, P.A. Assunção, L. A. S. C. Cruz, F. Lopes, A. Navarro, F. Perdigão, V. Silva, L. V. Sá, DSP based VIDEO CODEC for Visual Telephony, Fourth IEEE Digital Signal Processing Workshop, New York, United States, September, 1990 | BibTex
S.M.M. Faria, P.A. Assunção, L. A. S. C. Cruz, F. Lopes, A. Navarro, V. Silva, F. Perdigão, L. V. Sá, Desenvolvimento de um Videotelefone em Portugal, European Conference on Networks and Communications - EuCNC, Lisboa, Portugal, April, 1990 | BibTex

1Non-refereed Publications

Rafael Rodrigues, A. Perkis, C. Timmerer, S. Baraković, J. Husić, S. Bech, S. Bosse, J. Botev, K. Brunnström, L. A. S. C. Cruz, K. Moor, A. Saibanti, W. Durnez, S. Egger-Lampl, U. Engelke, T. Falk, A. Hameed, A. Hines, T. Kojic, D. Kukolj, E. Liotou, D. Milovanovic, S. Möller, N. Murray, B. Naderi, M. Sousa, S. Perry, A. Pinheiro, A. Pinilla, A. Raake, S. Agrawal, U. Reiter, R. Schatz, P. Schelkens, S. Schmidt, S. Sabet, A. Singla, L. Skorin-Kapov, M. Suznjevic, S. Uhrig, S. Vlahović, J. Voigt-Antons, S. Zadtootaghaj, QUALINET White Paper on Definitions of Immersive Media Experience (IMEx), 2020,
| Abstract | Full text (PDF 346 KBs) | Other Resources

Patents

2Patents

Motion Vector Processing, US35250599, National, Granted, 07-07-1998, United States
Motion Vector Processing, PCT/IB99/01194, PCT, 10-09-1998

Projects

Closed Projects6

Acronym	Name	Funding Agency	Start date	Ending date
3DVQM	3D Video Quality Monitor	IT/LA	01-11-2011	01-03-2015
AARCHEVC	Algorithms and architectures for HEVC/H.265 compatible 3D video coders		01-01-2014	01-09-2016
AVATAR	3D Face Animation	QREN	01-10-2009	01-10-2011
FAVIETOL	Fast Video Encoding and Transcoding using Online Learning	FCT	01-04-2017	01-03-2018
LandMark	LandMark	FCT/POCTI	26-07-2018	27-07-2021
MEDICOMP	Spatiotemporal compression of volumetric medical images	IT/LA	01-09-2014	01-09-2016

Other Scientific Achievements

1Awards

G. Corrêa, P.A. Assunção, L. Agostini, L. A. S. C. Cruz, Best Paper Award (ICECS 2014), Best Paper Award at the 21st IEEE International Conference on Electronics, Circuits, and Systems (ICECS 2014) for the paper entitled "Classification-Based Early Termination for Coding Tree Structure Decision in HEVC". Award given by the IEEE Circuits and Systems Society., 01-12-2014

Other Contributions

2Conference Committees

IEEE European Workshop on Visual Information Processing - EUVIP, Scientific Committee, 2019
Workshop on High Performance Computing, Conference Chairman, 2010

3Refereeing Journals

IEEE Transactions on Multimedia
2016, 1 review(s);
IEEE Transactions on Circuits and Systems for Video Technology
2010, 1 review(s); 2009, 1 review(s); 2008, 1 review(s);
IEEE Intelligent Transportation Systems Magazine
2010, 1 review(s);

4Refereeing Conferences

2008, 1 review(s); 2006, 1 review(s);
IASTED International Conf. on Signal Processing and Digital Filtering
2006, 1 review(s);
IEEE International Conf. on Intelligent Robotic Systems - IROS
2003, 1 review(s);
IEEE International Conf. on Robotics and Automation - ICRA
2009, 1 review(s);

IT Member Profile

Luís Cruz

Bio

Scientific Achievements

As Supervisor

As Supervisor

Closed Projects6