Antonio Navarro Rodrigues

António Navarro

Academic position:	Assistant Professor
Joining date:	01-01-1999
Roles in IT:	Senior Researcher
Scientific Area:	Wireless Communications
Group:	Mobile Networks – Av

Email: Send Email
Address: IT – Aveiro
Instituto de Telecomunicações
Campus Universitário de Santiago
P-3810-193 AVEIRO - PORTUGAL
Tel: +351 234 377 900
Fax: +351 234 377 901

Personal page

https://www.orcid.org/0000-0002-8692-943X

Scientific Achievements

Degrees

PhD, University of Newcastle upon Type, 01-01-1996
MSc, Universidade de Coimbra, 01-01-1993
Licenciatura, Universidade de Coimbra, 01-01-1989

Expertise Topics

Video Coding
Video Transmission
Digital Television

Affiliations

IEEE - Institute of Electrical and Electronics Engineers, 01-01-2009, Senior Member
Universidade de Aveiro, 01-01-1997, Prof. Auxiliar

Academic Activities

1Lecture courses

Multimedia Coding, Carnegie Mellon University, Master

Supervision of theses

3PhD Student

UHD video retargeting for mobile devices , PhD Student, Rohit Kumar, 11-2020

Sinalética Digital sobre DAB, PhD Student, Paulo Alexandre, 02-2017

Motion Estimation and its Hardware Implementation, PhD Student, Purnachand Nalluri, 02-2016

Co-Supervision of theses

2MSc Student

HEVC Video Coding and Transmission through Wireless MIMO Networks, MSc Student, Luis da Graça Magalhães, 12-2016
Planeamento de cobertura em redes celulares de banda larga, MSc Student, Marco Araújo, 07-2008

1Research Grant

Estimador de movimento em CMOS, Research Grant, João Costa, 06-2007

Publications

5Papers in Journals

P Nalluri, L. Alves, A. Navarro, Complexity reduction methods for fast motion estimation in HEVC, Signal Processing: Image Communication, Vol. 39, No. A, pp. 280 - 292, November, 2015 | BibTex
S. Moiron, S.M.M. Faria, A. Navarro, V. Silva, P.A. Assunção, Video transcoding from H.264/AVC to MPEG-2 with reduced computational complexity, Signal Processing: Image Communication, Vol. 24, No. 8, pp. 637 - 650, September, 2009,
| Abstract | BibTex
A. Navarro, J. Angeja, L. Carvalho, A New Packet Loss Model of the IEEE 802.11g Wireless Network for Multimedia Communications, IEEE Trans. on Consumer Electronics, Vol. 50, No. 16, pp. 809 - 814, August, 2005 | BibTex
A. Navarro, Fast Multiplication-free QWDCT for DV Coding Standard, IEEE Trans. on Consumer Electronics, Vol. 50, No. 1, pp. 180 - 187, February, 2004 | BibTex
A. Navarro, M. Rostami, Counter Demodulates Narrowband FSK without Synchronization, Vol. 49, No. 16, pp. 87 - 88, June, 2001 | BibTex

43Papers in Conferences

R. Kumar, L.F. Ferreira, P.A. Assunção, A. Navarro, Retargeting 4K Video for Mobile Access Using Visual Attention and Temporal Stabilization., International Symposium on Signal, Image, Video and Communications ISIVC, Rabat, Morocco, Vol., pp. -, November, 2018 | BibTex
R. Kumar, L.F. Ferreira, P.A. Assunção, A. Navarro, Retargeting UHD 4k Video for Smartphones, IEEE International Conference on Consumer Electronics -Berlin ICCE-Berlin, Berlin, Germany, Vol., pp. -, September, 2018 | BibTex
I. Elfergani, A. Hussaini, J. Rodriguez, A. Navarro, P. Pinho, R.A. Abd-Alhameed Abd-Alhameed, Balanced antenna structure with slotted ground plane for LTE dual-band, Loughborough Antennas and Propagation Conf. – LAPC, Loughborough, United Kingdom, Vol. 1, pp. 1 - 5, November, 2016 | BibTex
I. Elfergani, A. Hussaini, J. Rodriguez, A. Navarro, P. Pinho, A. Mahmoud, R.A. Abd-Alhameed Abd-Alhameed, A small-size zigzag balanced antenna for LTE systems, IEEE Nanotechnology Council. 11th IEEE Nanotechnology Materials and Devices Conference (NMDC 2016) NMDC 2016, Toulouse, France, Vol. 1, pp. 1 - 2, October, 2016 | BibTex
Z. H. Hesabi, A. Navarro, A MULTILEVEL MEMORY-ASSISTED LOSSLESS COMPRESSION ALGORITHM FOR, European Signal Processing Conf. - EUSIPCO, Nice, France, Vol. 1, pp. 1 - 1, August, 2015 | BibTex
, L. Alves, A. Navarro, 'High Speed SAD Architectures for Variable Block Size Motion Estimation in HEVC Video Coding, IEEE International Conf. on Image Processing - ICIP, Paris, France, Vol. 1, pp. 1 - 1, October, 2014 | BibTex
P Nalluri, L. Alves, A. Navarro, High Speed Sad Architectures For Variable Block Size Motion Estimation In HEVC Video Coding, IEEE International Conf. on Image Processing - ICIP, Paris, France, Vol. 1, pp. 1233 - 1237, October, 2014 | BibTex
Z. H. Hesabi, A. Navarro, A MEMORY-ASSISTED LOSSLESS COMPRESSION ALGORITHM FOR MEDICAL IMAGES, IEEE International Conf. on Acoustics, Speech, and Signal Processing - ICASSP, Florence, Italy, Vol. 1, pp. 1 - 1, May, 2014 | BibTex
P Nalluri, L. Alves, A. Navarro, A novel SAD architecture for variable block size motion estimation in HEVC video coding, International Symp. on Systems on a Chip, Tampere, Finland, Vol. 1, pp. 1 - 4, October, 2013 | BibTex
, P Nalluri, L. Alves, A. Navarro, Fast Partitioning Depth Decision Based on Skipping Block Sizes in HEVC, IEEE International Conf. on Consumer Electronics - ICCE, Berlin, Germany, Vol. 1, pp. 1 - 1, September, 2013 | BibTex
, L. Alves, A. Navarro, Fast Motion Estimation Algorithm for HEVC Video Encoder, Conf. on Telecommunications - ConfTele, Castelo Branco, Portugal, Vol. 1, pp. 1 - 1, May, 2013 | BibTex
P Nalluri, L. Alves, A. Navarro, Fast Motion Estimation Algorithm for HEVC Video Encoder, Conf. on Telecommunications - ConfTele, Castelo Branco, Portugal, Vol. 1, pp. 1 - 4, May, 2013,
| Abstract | Full text (PDF 404 KBs) | BibTex
P Nalluri, L. Alves, A. Navarro, FPGA Based Synchronous Multi-Port SRAM Architecture for Motion Estimation, Jornadas sobre Sistemas Reconfiguráveis - REC, Coimbra (http://rec2013.isr.uc.pt/download/REC2013_actas.pdf), Portugal, Vol. 9, pp. 89 - 92, February, 2013,
| Abstract | BibTex
L. Alves, A. Navarro, Fast Motion Estimation Algorithm for HEVC, IEEE International Conf. on Consumer Electronics - ICCE, Berlin, Germany, Vol. 11, pp. 11 - 11, September, 2012 | BibTex
P Nalluri, L. Alves, A. Navarro, Fast Motion Estimation Algorithm for HEVC, IEEE International Conf. on Consumer Electronics - ICCE, Berlin, Germany, Vol. 3, pp. 34 - 37, September, 2012,
| Abstract | BibTex
L. Alves, A. Navarro, Improvments to TZ search Motion Estimation Algorithm for Multiview Video Coding, International Conf. on Systems, Signals and Image Processing - IWSSIP, Vienna, Austria, Vol. 11, pp. 11 - 11, April, 2012 | BibTex
P Nalluri, L. Alves, A. Navarro, Improvements to TZ search motion estimation algorithm for multiview video coding, International Conf. on Systems, Signals and Image Processing - IWSSIP, Vienna, Austria, Vol. 19, pp. 388 - 391, April, 2012,
| Abstract | BibTex
T. Silva, A. Navarro, H.264 Video Transmission over 2x2 OFDM-MIMO, IEEE International Conf. on Multimedia and Expo - ICME, Barcelona, Spain, Vol. 1, pp. 1 - 8, July, 2011 | BibTex
S. Moiron, S.M.M. Faria, P.A. Assunção, V. Silva, A. Navarro, Inter Mode Conversion of H.264 to MPEG-2 Video with Reduced Complexity, IEEE International Conf. on Consumer Electronics - ICCE, Las Vegas, United States, Vol. ., pp. . - ., January, 2008 | BibTex
S. Moiron, S.M.M. Faria, P.A. Assunção, V. Silva, A. Navarro, Mode Conversion for H.264 to MPEG-2 Video Transcoder, Picture Coding Symp., Lisbon, Portugal, Vol. ., pp. . - ., November, 2007 | BibTex
S. Moiron, S.M.M. Faria, P.A. Assunção, V. Silva, A. Navarro, Fast Interframe Transcoding from H.264 to MPEG-2, IEEE International Conf. on Image Processing - ICIP, San Antonio, United States, Vol. IV, pp. 69 - 72, September, 2007 | BibTex
S. Moiron, S.M.M. Faria, P.A. Assunção, V. Silva, A. Navarro, Low-complexity video content adaptation for legacy user equipment, International Conf. on Multimedia Communications, Nafpaktos, Greece, Vol. ., pp. . - ., August, 2007 | BibTex
S. Moiron, S.M.M. Faria, P.A. Assunção, V. Silva, A. Navarro, H.264/AVC to MPEG-2 Video Transcoding Architecture, Conf. on Telecommunications - ConfTele, Peniche, Portugal, Vol. 1, pp. 449 - 452, May, 2007 | BibTex
S.M.M. Faria, V. Silva, A. Navarro, R. Marques, P.A. Assunção, H.264 to MPEG-2 Conversion of Intra Coded Video, Conf. on Telecommunications - ConfTele, Peniche, Portugal, Vol. 1, pp. 445 - 448, May, 2007 | BibTex
P.A. Assunção, V. Silva, S.M.M. Faria, A. Navarro, Fast Conversion of H.264/AVC Integer Transform Coefficients into DCT Coefficients, International Conf. on Signal Processing and Multimedia Applications, Setubal, Portugal, Vol. 1, pp. 5 - 8, August, 2006 | BibTex
A. Navarro, F. Perdigão, Audio-visual Conference through the Ionosphere at 4 kbps, IEEE International Conf. on Multimedia and Expo - ICME, Taipei, Taiwan, Vol. 0, pp. 0 - 0, June, 2004 | BibTex
A. Navarro, F. Perdigão, Error Analysis of MPEG-4 HVXC Parameters at High Frequencies, IEEE International Conf. on Multimedia and Expo - ICME, Taipei, Taiwan, Vol. 0, pp. 0 - 0, June, 2004 | BibTex
A. Navarro, Multi-Conference over HF Packet Radio Channels, IEEE International Conf. on Multimedia and Expo - ICME, Taipei, Taiwan, Vol. 0, pp. 0 - 0, June, 2004 | BibTex
A. Navarro, R. Rodrigues, J. Angeja, J. Tavares, L. Carvalho, F. Perdigão, Video Conference over HF Packet Radio Channels, IEEE Military Communications Conf. - MILCOM, Boston, United States, Vol. 0, pp. 0 - 0, October, 2003 | BibTex
A. Navarro, R. Rodrigues, F. Perdigão, Significant Analysis of HVXC Speech Coding parameters at High Frequency, International Workshop on Interactive Rich Media Content Production - RICHMEDIA, Lausanne, Switzerland, Vol. 1, pp. 69 - 77, October, 2003 | BibTex
A. Navarro, B.F.C Gabriel, Optimal M-QAM/DAPSK Allocation in Narrowband OFDM Radio Channels”, Mathematical Techniques and Problems in Telecommunications, Mathematical Techniques and Problems in Telecommunications, Tomar, Portugal, Vol. 1, pp. 219 - 224, September, 2003 | BibTex
A. Navarro, M. Rostami, J. Tavares, J. Angeja, HF Channel Modelling for Real Time Packet Transmission, SPIE - Digital Wireless Communications, Orlando, United States, Vol. 0, pp. 0 - 0, April, 2003 | BibTex
A. Navarro, J. Tavares, A Common Channel Adaptation Approach for Video Coding, SPIE - Image and Video Communications and Processing, Santa Clara, United States, Vol. 1, pp. 440 - 449, January, 2003 | BibTex
A. Navarro, J. Tavares, Adaptive Joint H.263-Channel Coding for Memoryless Binary Channels, IEEE International Symp. on Personal, Indoor and Mobile Radio Commun - PIMRC, Lisbon, Portugal, Vol. 5, pp. 2456 - 2460, September, 2002 | BibTex
J. Tavares, A. Navarro, Noise Power in PCM Image Transmission, Portuguese Conf. on Pattern Recognition - RecPad, Aveiro, Portugal, Vol., pp. -, June, 2002 | BibTex
J. Tavares, A. Navarro, Forward Error Protection of H.263-DG Bit Streams, IEEE Mediterranean Electrotechnical Conference - MELECON, Cairo, Egypt, Vol. 1, pp. 390 - 394, May, 2002 | BibTex
A. Navarro, Technical Aspects of European Digital Terrestrial Television, IEEE Mediterranean Electrotechnical Conference - MELECON, Cairo, Egypt, Vol. 1, pp. 2 - 6, May, 2002 | BibTex
M. Rostami, A. Navarro, Robust Cable Remote Control for Set-Top Boxes, IEEE Mediterranean Electrotechnical Conference - MELECON, Cairo, Egypt, Vol. 1, pp. 66 - 69, May, 2002 | BibTex
J. Tavares, A. Navarro, Improving Error Robustness of H.263 Bitstreams, Conf. on Telecommunications - ConfTele, Figueira da Foz, Portugal, Vol. 1, pp. 1 - 1, April, 2001 | BibTex
S.M.M. Faria, A. Navarro, L. V. Sá, Address Generator Circuit for a H.261 Encoder, Portuguese Conf. on Pattern Recognition - RecPad, Porto, Portugal, Vol., pp. -, May, 1993 | 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, Vol., pp. -, 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, Vol., pp. -, 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, Vol., pp. -, April, 1990 | BibTex

Patents

2Patents

S.M.M. Faria, P.A. Assunção, S. Moiron, V. Silva, A. Navarro, METHOD TO TRANSCODE H.264/AVC VIDEO FRAMES INTO MPEG-2, PAT-US40346-09, April, 2012
A. Navarro, V. Lagarto, Plataforma Conversora Multi-programa de Televisão Digital em Televisão Analógica, PT102690, January, 2004, (Pending)

Projects

Currently running projects3

Acronym	Name	Funding Agency	Start date	Ending date
5G	SI I&DT Copromoção Nr. 024539 - Componentes e serviços para redes 5G	P2020	01-01-2018	31-12-2020
ARoundVision	All aRound panoramic Vision for smart and secure environments	FCT/POCI, PO Centro	19-06-2018	19-06-2021
ORCIP	Optical Radio Convergence Infrastructure for Communications and Power Delivering	PO Centro	01-05-2017	01-05-2020

Closed Projects9

Acronym	Name	Funding Agency	Start date	Ending date
DVR	Digital Video Recorder	ADI	01-01-2005	31-01-2006
GMF4ITV	GMF for ITV	EU	01-05-2002	01-09-2005
H2M	H.264 to MPEG-2 Video Transcoder for Digital TV	IT/LA	01-10-2005	01-12-2007
HAN-4G	Integration of Heterogeneous Access Networks in a 4G Architecture	IT/LA	01-09-2005	31-08-2007
Navio	Navy Video	Marinha Portuguesa	01-09-2002	01-09-2003
ORAL	Alocação Óptima de Recursos	FCT/POCI	01-07-2005	01-07-2008
PANORAMA	PANORAMA - Plataforma Rádio	PT Inovação	01-01-2009	01-06-2011
TRIVial	Radio Interactive Transmission of Local Video	ADI	01-04-2003	31-03-2005
VALUE	Novel dual-band balanced antennas for 700/2600 Mhz LTE frequency bands	IT/LA	01-09-2014	01-08-2016

Other Contributions

3Conference Committees

IEEE IEEE International Conference on Consumer Electronics, Technical Programme Committee, 2015
IEEE International Conf. on Consumer Electronics - ICCE, Technical Programme Committee, 2012
IEEE International Symp. on Consumer Electronics - ISCE, Conference Chairman, 2009

1Editorial Committees

Associate Editor, IEEE Trans. on Circuits and Systems for Video Tech., 01-09-2008 - today

5Refereeing Journals

IEEE Trans. on Broadcasting
2015, 1 review(s);
IEEE Journal on Selected Areas in Communications
2015, 1 review(s);
ieee transactions on image processing
2016, 1 review(s);
Signal Processing: Image Communication
2017, 1 review(s);
IEEE Trans. on Circuits and Systems for Video Tech.
2016, 1 review(s);

1Refereeing Conferences

IEEE International Conf. on Consumer Electronics - ICCE
2012, 1 review(s);

IT Member Profile