Book Chapters [6]

2022

A. Mariano, F. Cabeleira, L. P. Santos, and G. Falcao. "Optimized Voronoi-based Algorithms for Parallel Shortest Vector Computation", Chapter in Kuan-Ching Li, Nitin Sukhija, Elizabeth Bautista, Jean-Luc Gaudiot, eds., Cybersecurity & High-Performance Computing Environments: Integrated Innovations, Practices, and Applications, Chapman and Hall/CRC PRESS, Taylor & Francis, Florida, USA, DOI: 10.1201/9781003155799-4, e-ISBN: 9781003155799, Feb 2022. [bib] [pdf]

2015

S. Yamagiwa, G. Falcao, K. Wada, and L. Sousa. "Stream-based Parallel Computing Methodology and Development Environment for High Performance Manycore Accelerators", Chapter in Thomas S. Clary, ed., Horizons in Computer Science Research, Volume 11, Nova Science Publishers Inc., New York, USA, July 2015. [bib][pdf]

S. Kumar, I.N. Figueiredo, C. Graca, and G. Falcao. "A GPU accelerated algorithm for blood detection in wireless capsule endoscopy images", Chapter in Tavares, J.M., Renato, R.S.N.J., eds. Developments in Medical Image Processing and Computational Vision, Lecture Notes in Computational Vision and Biomechanics, Springer, ISBN: 978-3-319-13406-2, March 2015. [bib][pdf]

2014

J. Andrade, G. Falcao, V. Silva, S. Yamagiwa, and L. Sousa. "Accelerating Conventional Processing Using GPU Clusters: LDPC Decoders", Chapter in Phillip A. Laplante, ed., Pennsylvania State University, USA, Encyclopedia of Computer Science and Technology, Taylor & Francis, November 2014. [bib][pdf]

2011

Gabriel Falcao, Vitor Silva, and Leonel Sousa. "Parallel LDPC decoding", Chapter in GPU Computing Gems, NVIDIA, Morgan Kaufmann, San Francisco, CA, USA, ISBN: 978-0-12-384988-5, March 2011. [bib][pdf]

2009

G. Falcao, V. Silva, J. Marinho, and L. Sousa. "LDPC Decoders for the WiMAX (IEEE 802.16e) based on Multicore Architectures", Chapter in WIMAX, New Developments, In-Tech, Vienna, Austria, ISBN: 978-953-7619-53-4, December 2009. [bib][pdf]

Organization of Special Issues [2]

2022

Gabriel Falcao, and Joseph R. Cavallaro. Editorial, Guest Editors of the Special Issue on "Artificial Intelligence at the Edge", IEEE Micro Magazine, (Nov/Dec 2022), (Impact Factor = 2.821)

Gabriel Falcao, Joseph R. Cavallaro, Farhana Sheikh, and Leonel Sousa. Editorial, Guest Editors of the Special Issue on "Advances in Signal Processsing", Journal of Signal Processing Systems, Springer (August 2022).

Papers in Journals [47]

2023

João Vieira, Nuno Roma, Gabriel Falcao, and Pedro Tomás. "gem5-accel: A Pre-RTL Simulation Toolchain for Accelerator Architecture Validation," IEEE Computer Architecture Letters, Dec 2023. [bib][pdf]

João Vieira, Nuno Roma, Gabriel Falcao, and Pedro Tomás. "NDPmulator: Enabling Full-System Simulation for Near-Data Accelerators from Caches to DRAM," IEEE Access, Nov 2023. [bib][pdf]

Gabriel Falcao, and João Dinis Ferreira. "To PiM or Not to PiM", Communications of the ACM, Vol. 66, no. 6, pp. 48-55, May 2023. (Impact Factor = 14.065) [bib][pdf]

Pedro Carrinho, and Gabriel Falcao. "Highly accurate and fast YOLOv4-based polyp detection", Expert Systems with Applications, Vol. 232, No. 1, pp. 120834 - 120854, April 2023. [bib][pdf]

L. Esteves, D. Portugal, P. Peixoto, G. Falcão. "Towards Mobile Federated Learning with Unreliable Participants and Selective Aggregation", Applied Sciences (Switzerland), Vol. 13, No. 5, pp. 3135 - 3154, February 2023. [bib][pdf]

2022

Gabriel Falcao, and João Dinis Ferreira. "To PiM or Not to PiM: The Case for In-Memory Inferencing of Quantized CNNs at the Edge", ACM Queue, (Nov/Dec 2022 Issue) [bib][pdf]

N. Neves, J. M. Domingos, N. Roma, P. Tomás, and Gabriel Falcao. "Compiling for Vector Extensions with Stream-based Specialization", IEEE Micro, May 2022. (Impact Factor = 2.821) [bib] [pdf]

S. Subramaniyan, O. Ferraz, M. R. Ashuthosh, S. Krishna, G. Wang, J. R. Cavallaro, V. Silva, G. Falcao, and M. Purnaprajna. "Enabling High-Level Design Strategies for High-Throughput and Low-power NB-LDPC Decoders", IEEE Design & Test, May 2022. (Impact Factor = 2.223) [bib] [pdf]

C. Gomes, G. Falcao, L. Paquete, and J. P. Fernandes. "An Empirical Study on the Use of Quantum Computing for Financial Portfolio Optimization", Springer Nature Computer Science, May 2022. (Accepted) [bib][pdf]

Tiago Custódio, Cristiano Alves, Pedro Silva, Jorge Silva, Carlos Rodrigues, Rui Lourenço, Rui Pessoa, Fernando Moreira, Ricardo Marques, Gonçalo Tomé and Gabriel Falcao. "A Change of Paradigm for the Design and Reliability Testing of Touch-Based Cabin Controls on the Seats of Self-Driving Cars", Electronics 2022, 11, 21. https://doi.org/10.3390/electronics11010021. [Industry Paper] [bib][pdf]

2021

O. Ferraz, S. Subramaniyan, R. Chinthalaa,, J. Andrade, J. R. C. Cavallaro, S. Nandy, V. Silva, X. Zhang, M. P. Purnaprajna, G. Falcao. "A Survey on High-Throughput Non-Binary LDPC Decoders: ASIC, FPGA and GPU Architectures", IEEE Communications Surveys and Tutorials, November 2021. (Accepted) (Impact Factor = 25.249!) [bib][pdf]

M. Malekisadr, J. F. C. Gante, B. Champagne, G. Falcao, L. Sousa. "Uncertainty Estimation via Monte Carlo Dropout in CNN-based mmWave MIMO Localization", IEEE Signal Processing Letters, November 2021. (Impact Factor = 3.109) [bib][pdf]

Cristiano Alves, Tiago Custódio, Pedro Silva, Jorge Silva, Carlos Rodrigues, Rui Lourenço, Rui Pessoa, Fernando Moreira, Ricardo Marques, Gonçalo Tomé and Gabriel Falcao. "smartPlastic: Innovative Touch-Based Human-Vehicle Interface Sensors for the Automotive Industry", Electronics 2021, 10, 1233. https://doi.org/10.3390/electronics10111233. [Industry Paper] [bib][pdf]

Oscar Ferraz, Gabriel Falcao and Vitor Silva. "Hyperspectral Parallel Image Compression on Edge GPUs", Remote Sensing, vol. 13, no. 6, pp. 1077, March 2021, doi: 10.3390/rs13061077. [bib][pdf]

Joao Vieira, Nuno Roma, Pedro Tomas and Gabriel Falcao. "A Compute Cache System for Signal Processing Applications", Journal of Signal Processing Systems, Springer, April 2021. [bib][pdf]

Goncalo Castel-Branco, Gabriel Falcao and Fernando Perdigao. "PureMIC: A New Audio Dataset for the Classification of Musical Instruments based on Convolutional Neural Networks", Journal of Signal Processing Systems, Springer, April 2021. [bib][pdf]

2020

Joao Gante, Gabriel Falcao and Leonel Sousa. "Can 5G and Machine Learning Replace the Global Positioning System?", Special Theme: Solving Engineering Problems by Machine Learning, Guest editors: Abdel Labbi (IBM Research) and Noemi Friedman (SZTAKI), ERCIM News No. 122, June 2020. (Accepted) [bib][pdf]

J. Gante, L. Sousa, and G. Falcao. "Dethroning GPS: Low-Power Accurate 5G Positioning with Machine Learning Systems", IEEE Journal on Emerging and Selected Topics in Circuits and Systems (JETCAS), April 2020. (Accepted) (Impact Factor = 3.433) [bib] [pdf]

O. Ferraz, G. Falcao, and V. Silva. "Gbit/s throughput under 6.3W lossless hyperspectral image compression on parallel embedded devices", IEEE Embedded Systems Letters, April 2020. (Accepted) [bib][pdf]

C. Graca, C. Raposo, J. P. Barreto, U. Nunes, and G. Falcao. "GPU-accelerated Uncapacitated Facility Location and Semi-dense SymStereo Pipelines for Piecewise Planar-based 3D Reconstruction", Journal of Real-Time Image Processing, Springer, DOI: 10.1007/s11554-020-00974-z, April 2020. [bib][pdf]

2019

G. Falcao, F. Cabeleira, A. Mariano, and L. Santos. "Heterogeneous implementation of a Voronoi cell-based SVP solver", IEEE Access, August 2019. (Impact Factor = 4.098) [bib] [pdf]

J. Gante, G. Falcao, and L. Sousa. "Deep Learning Architectures for Accurate Millimeter Wave Positioning in 5G", Neural Processing Letters, Springer, July 2019. [bib] [pdf]

2018

X. Xu, J. Amaro, S. Caulfield, G. Falcao, and D. Moloney. "1.2 Watt Classification of 3D Voxel Based Point-clouds Using a CNN on a Neural Compute Stick", Neurocomputing, Elsevier, September 2018. (Impact Factor = 3.317) [bib][pdf]

J. Marques, G. Falcao, and L. A. Alexandre. "Distributed learning of CNNs on heterogeneous CPU/GPU architectures", Applied Artificial Intelligence, Taylor & Francis, July 2018. [bib][pdf]

2017

M. Rodrigues, D. E. Fernandes, M. G. Silveirinha, and G. Falcao. "Simulating electron wave dynamics in graphene superlattices exploiting parallel processing advantages", Computer Physics Communications, Elsevier, September 2017. https://doi.org/10.1016/j.cpc.2017.08.023 (Impact Factor = 3.309) [bib] [pdf]

A. Mariano, T. Laarhoven, F. Correia, M. Rodrigues, and G. Falcao. "A practical view of the state-of-the-art of lattice-based cryptanalysis", IEEE Access, August 2017. DOI: 10.1109/ACCESS.2017.2748179 (Impact Factor = 4.098) [bib] [pdf]

J. Andrade, N. George, K. Karras, D. N. Novo, F. P. Pratas, L. Sousa, P. I. Ienne, G. Falcao, and V. Silva. "Design Space Exploration of LDPC Decoders using High- Level Synthesis", IEEE Access, July 2017. DOI: 10.1109/ACCESS.2017.2727221 (Impact Factor = 4.098) [bib] [pdf]

2016

N. Vicente, V. Silva, J. Andrade, and G. Falcao. "Mobile 4K / 2K / HD video streaming supported by real-time FEC RaptorQ codes", IEEE Transactions on Consumer Electronics (TCE), Nov 2016. [bib][pdf]

P. Pereira, P. Domingues, N. Rodrigues, G. Falcao, and S. Faria. "Assessing the Performance and Energy Usage of Multi-CPUs, Multi-core and Many-core Systems: the MMP Image Encoder Case Study", International Journal of Distributed and Parallel Systems, September 2016. [bib][pdf]

J. Andrade, G. Falcao, V. Silva, and L. Sousa. "A Survey on Programmable LDPC Decoders", IEEE Access, Vol. 4, pp. 6704-6718, July 2016. (Impact Factor = 4.098) [bib][pdf]

David E. Fernandes, Manuel Rodrigues, Gabriel Falcão and Mário G. Silveirinha. "Time evolution of electron waves in graphene superlattices", Journal of AIP Advances 6, 075109 (2016); doi: 10.1063/1.4959190. [bib][pdf]

R. Ralha, G. Falcao, J. Amaro, V. Mota, M. Antunes, J. Barreto, and U. Nunes. "Parallel Refinement of Slanted 3D Reconstruction using Dense Stereo Induced from Symmetry", Journal of Real-Time Image Processing, Springer, DOI: 10.1007/s11554-016-0592-0, April 2016. [bib][pdf]

2015

Carlos Graca, Gabriel Falcao, Isabel N. Figueiredo and Sunil Kumar. "Hybrid multi-GPU computing: accelerated kernels for segmentation and object detection with medical image processing applications", Journal of Real-Time Image Processing, Springer, June 2015. [bib][pdf]

J. Maria, J. Amaro, G. Falcao, and L. A. Alexandre. "Stacked Autoencoders using Low-power Accelerated Architectures for Object Recognition in Autonomous Systems", Neural Processing Letters, Springer, DOI: 10.1007/s11063-015-9430-9, May 2015. [bib][pdf]

J. Amaro, B. Y. Y. Yiu, G. Falcao, M. Gomes, and A. C. Y. Yu. "Software-Based High Level Synthesis Design of FPGA Beamformers for Synthetic Aperture Imaging", IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control (UFFC), Vol. 62, No. 5, May 2015. (Impact Factor = 2.989) [bib][pdf]

M. Owaida, G. Falcao, J. Andrade, C. Antonopoulos, N. Bellas, M. Purnaprajna, D. Novo, G. Karakonstantis, A. Burg, and P. Ienne. "Enhancing design space exploration by extending CPU/GPU specifications onto FPGAs", ACM Transactions on Embedded Computing Systems (TECS), Vol. 14, No. 2, March 2015. [bib][pdf]

2014

J. Andrade, G. Falcao, and V. Silva. "Optimized Fast Walsh-Hadamard Transform on GPUs for Non-Binary LDPC Decoding", Parallel Computing, Elsevier, May 2014. [bib][pdf]

J. Andrade, G. Falcao, and V. Silva. "Flexible design of wide-pipeline based WiMAX QC-LDPC decoder architectures on FPGAs using high-level synthesis", IET Electronics Letters, May 2014. [bib][pdf]

2013

Gabriel Falcao. "How fast can parallel programming be taught to undergraduate students?", IEEE Potentials, Vol. 32, No. 4, pp. 28 - 29, August 2013. [bib][pdf]

2012

Rui Melo, Gabriel Falcao, and Joao P. Barreto. "Real-time HD image distortion correction in heterogeneous parallel computing systems using efficient memory access patterns", Journal of Real-Time Image Processing, Springer, December 2012. [bib][pdf]

Gabriel Falcao, Vitor Silva, Leonel Sousa, and Joao Andrade. "Portable LDPC Decoding on Multicores using OpenCL", IEEE Signal Processing Magazine, Vol. 29, No. 4, pp. 81 - 109, July 2012. (Impact Factor = 7.602) [bib] [pdf]

G. Falcao, M. Gomes, V. Silva, L. Sousa, and J. cacheira. "Configurable M-factor VLSI DVB-S2 LDPC decoder architecture with optimized memory tiling design", Special Issue on Algorithm and Implementation Aspects of Channel Codes and Iterative Receivers, EURASIP Journal on Wireless Communications and Networking, Springer, No.98, March 2012. [bib] [pdf]

R. Melo, J. P. Barreto, and G. Falcao. "A New Solution for Camera Calibration and Real-Time Image Distortion Correction in Medical Endoscopy - Initial Technical Evaluation", IEEE Transactions on Biomedical Engineering, Vol. 59, No. 3, pp. 634 - 644, March 2012. (Impact Factor = 4.491) [bib][pdf]

2011

G. Falcao, J. Andrade, V. Silva, and L. Sousa. "GPU-based DVB-S2 LDPC decoder with high throughput and fast error floor detection", IET Electronics Letters, Vol. 47, No. 9, pp. 542 - 543, April 2011. [bib][pdf]

G. Falcao, L. Sousa, and V. Silva. "Massively LDPC Decoding on Multicore Architectures", IEEE Transactions on Parallel and Distributed Systems (TPDS), Vol. 22, No. 2, pp. 309 - 322, February 2011. (Impact Factor = 3.402) [bib][pdf]

2009

G. Falcao, S. Yamagiwa, V. Silva, and L. Sousa. "Parallel LDPC Decoding on GPUs using a Stream-based Computing Approach", Journal of Computer Science and Technology, Springer, Vol. 24, No. 5, pp. 913 - 924, September 2009. [bib][pdf]

2008

G. Falcao, V. Silva, L. Sousa, and J. Marinho. "High coded data rate and multicodeword WiMAX LDPC decoding on the Cell/BE", IET Electronics Letters, Vol. 44, No. 24, pp. 1415 - 1417, November 2008. [bib][pdf]

Papers in Conference Proceedings [77]

2023

O. Ferraz, Y. Falevoz, V. Silva, G. Falcao. "Unlocking the Potential of LDPC Decoders with PiM Acceleration", Asilomar Conference on Signals, Systems, and Computers, Monterey, CA, United States, 31th October - 3rd November 2023. [bib] [pdf]

O. Ferraz, H. Araujo, V. Silva, G. Falcao. "Benchmarking Convolutional Neural Network Inference on Low-Power Edge Devices", Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Rhodes Island, Greec, 4-10th June 2023. [bib] [pdf]

A. Durao, J. Arrais, B. Ribeiro Ribeiro, and G. Falcao. "ON THE QUANTIZATION OF RECURRENT NEURAL NETWORKS FOR SMILES GENERATION", Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Rhodes Island, Greec, 4-10th June 2023. [bib] [pdf]

2022

João Dinis Ferreira, Gabriel Falcao, Juan Gómez-Luna, Mohammed Alser, Lois Orosa, Mohammad Sadrosadati, Jeremie S. Kim, Geraldo F. Oliveira, Taha Shahroodi, Anant Nori, and Onur Mutlu. "pLUTo: Enabling Massively Parallel Computation In DRAM via Lookup Tables", Proc. IEEE/ACM International Symposium on Microarchitecture (MICRO), Chicago, United States, October 2022. [bib] [pdf] (Acceptance rate = 20%)

R. M. Curado Da Silva, J. M. Maia, J. Sousa, P. Póvoa, J. Mingacho, G. Falcao, J. Gonçalves, G. Salgado, and M. Moita. "Large Field CdTe Monitor for Astrophysics and TGF Science on board the Space Rider", Proc. 2022 IEEE Nuclear Science Symposium and Medical Imaging Conference, October 2022. (Accepted as Poster) [bib] [pdf]

2021

O. Ferraz, V. Silva, and G. Falcao. "On the Performance of Link Space Communications using NB-LDPC Codes on Embedded Parallel Systems", Proc. of the Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, USA, 31th October - 3rd November 2021. [bib] [pdf]

O. Ferraz, P. Menezes, V. Silva, and G. Falcao. "Benchmarking Vulkan vs OpenGL Rendering on Low-Power Edge GPUs", Proc. of the International Conference on Graphics and Interaction (ICGI), Porto, Portugal, November 2021. [bib] [pdf]

C. Alves, T. Custódio, P. S. Silva, J. S. Silva, G. T. Tomé, and G. Falcao. "SmartPlastic—a new paradigm for innovative automotive control interfaces", World Congress of Smart Materials World Congress of Smart Materials WCSM, Barcelona, Spain, March 2021 (rescheduled due to covid-19).

C. Alves, T. Custódio, P. S. Silva, J. S. Silva, G. T. Tomé, and G. Falcao. "A New Paradigm for the Eco Design of Car Cabin Components", World Congress of Smart Materials World Congress of Smart Materials WCSM, Barcelona, Spain, March 2021 (rescheduled due to covid-19).

2020

Srinivasan Subramaniyan, Oscar Ferraz, Ashuthosh M R, Santosh Krishna, Guohui Wang, Joseph R. Cavallaro, Vitor Silva, Gabriel Falcao and Madhura Purnaprajna. "Pushing the Limits of Energy Efficiency for Non-Binary LDPC Decoders on GPUs and FPGAs", Proc. IEEE International Workshop on Signal Processing Systems (SiPS), Coimbra, Portugal (virtual), October 2020. [bib] [pdf]

Oscar Ferraz, Vitor Silva and Gabriel Falcao. "1.5GBIT/S 4.9W HYPERSPECTRAL IMAGE ENCODERS ON A LOW-POWER PARALLEL HETEROGENEOUS PROCESSING PLATFORM", Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Barcelona, Spain, 4-8th May 2020. [bib] [pdf]

Joao Vieira, Nuno Roma, Gabriel Falcao and Pedro Tomas. "PROCESSING CONVOLUTIONAL NEURAL NETWORKS ON CACHE", Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Barcelona, Spain, 4-8th May 2020. [bib] [pdf]

Goncalo Castel-Branco, Gabriel Falcao and Fernando Perdigao. "ENHANCING THE LABELLING OF AUDIO SAMPLES FOR AUTOMATIC INSTRUMENT CLASSIFICATION BASED ON NEURAL NETWORKS", Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Barcelona, Spain, 4-8th May 2020. [bib] [pdf]

Oscar Ferraz, Srinivasan Subramaniyan, Guohui Wang, Joseph R. Cavallaro, Gabriel Falcao, and Madhura Purnaprajna. "Gbit/s Non-Binary LDPC Decoders: High-Throughput using High-Level Specifications", Proc. of the 28th Annual IEEE International Symposium on Field-Programmable Custom Computing Machines (FCCM), Fayetteville, Arkansas, USA, 3-6th May 2020. [bib] [pdf]

2019

F. Cabeleira, A. Mariano and G. Falcao. "Memory-Optimized Voronoi Cell-based Parallel Kernels for the Shortest Vector Problem on Lattices", Proc. of the 27th European Signal Processing Conference (EUSIPCO), A Coruña, Spain, 2-6th September 2019. [bib] [pdf]

J. Gante, G. Falcao and L. Sousa. "ENHANCING BEAMFORMED FINGERPRINT OUTDOOR POSITIONING WITH HIERARCHICAL CONVOLUTIONAL NEURAL NETWORKS", Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Brighton, UK, 12-17th May 2019. [bib] [pdf]

C. Pererira, G. Falcao and L.A. Alexandre. "Pragma-oriented Parallelization of the Direct Sparse Odometry SLAM Algorithm", Proc. Euromicro International Conf. on Parallel, Distributed and network-based Processing (PDP), Pavia, Italy, 13-15th February 2019. [bib] [pdf]

2018

J. Vieira, P. Ienne, N. Roma, G. Falcao and P. Tomas. "Exploiting Compute Caches for Memory Bound Vector Operations", Proc. 30th International Symposium on Computer Architecture and High Performance Computing (SBAC-PAD), Lyon, France, 24-27th September 2018. [bib] [pdf]

J. Gante, G. Falcao and L. Sousa. "Beamformed Fingerprint Learning for Accurate Millimeter Wave Positioning", Proc. IEEE 88th Vehicular Technology Conference (VTC Fall), Chicago, USA, 27-30th August 2018. [bib] [pdf]

J. Gante, G. Falcao and L. Sousa. "DATA-AIDED FAST BEAMFORMING SELECTION FOR 5G", Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Calgary, Alberta, Canada, 15-20th April 2018. [bib] [pdf]

M. Rodrigues, D. Fernandes, M. Silveirinha and G. Falcao. "Low-effort task distribution of stencil computation on heterogeneous multi-GPUs: simulating graphene superlattices", Proc. Euromicro International Conf. on Parallel, Distributed and network-based Processing (PDP), ambridge, UK, 21-23rd March 2018. [bib] [pdf]

2017

P. Duarte, P. Tomas and G. Falcao. "SCRATCH: An End-to-End Application-Aware Soft-GPGPU Architecture and Trimming Tool", Proc. IEEE/ACM International Symposium on Microarchitecture (MICRO), Boston, MA, United States, October 2017. [bib] [pdf] (Acceptance rate = 18%)

J. Marques, J. Andrade and G. Falcao. "Unreliable Memory Operation on a Convolutional Neural Network Processor", Proc. IEEE International Workshop on Signal Processing Systems (SiPS), Lorient, France, October 2017. [bib] [pdf]

X. Xu, J. Amaro, S. Caulfield, A. Forembski, G. Falcao and D. Moloney. "Convolutional neural network on neural compute stick for voxelized point-clouds classification", IEEE 10th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics (CISP-BMEI), pp. 1–7, 2017. [bib][pdf]

X. Xu, J. Amaro, G. Falcao and D. Moloney. "Classify 3D Voxel based Point-cloud using Convolutional Neural Network on a Neural Compute Stick", Proc. IEEE co-sponsored International Conference on Natural Computation, Fuzzy Systems and Knowledge Discovery (ICNC-FSKD), Guilin, China, July 2017. [bib][pdf]

Gabriel Falcao, L. A. Alexandre, Jose Marques, Xavier Frazao and Joao Maria. "On the evaluation of energy-efficient deep learning using stacked autoencoders on mobile GPUs", Proc. Euromicro International Conf. on Parallel, Distributed and network-based Processing (PDP), St. Petersburg, Russia, March 2017. [bib][pdf]

Pedro Cordeiro, Gabriel Falcao, Patricio Domingues, Nuno Rodrigues and Sergio Faria. "Energy-efficient and Portable Least Squares Prediction for Image Coding on a Mobile GPU", Proc. Euromicro International Conf. on Parallel, Distributed and network-based Processing (PDP), St. Petersburg, Russia, March 2017. [bib][pdf]

2016

Haomiao Wang, Joao Gante, Ming Zhang, Gabriel Falcao, Leonel Sousa and Oliver Sinnen. "High-Throughput with Low Design Time of Complex and Lengthy FIR Filters on FPGAs for the SKA", Proc. of the 18th IEEE International Conference on High Performance Computing and Communications (HPCC), Sydney, Australia, 12-14th December 2016.

P. Pereira, P. Domingues, N. Rodrigues, G. Falcao and S. Faria. “Optimizing GPU code for CPU execution using OpenCL and vectorization: a case study on image coding”, Proc. of the 16th International Conference on Algorithms and Architectures for Parallel Processing (ICA3PP), Granada, Spain, 14-16th December 2016.

P. Pereira, P. Domingues, N. Rodrigues, S. Faria and G. Falcao. “Optimized Fast Walsh-Hadamard Transform on OpenCL-GPU and OpenCL-CPU”, Proc. of the 6th International Conference on Image Processing Theory, Tools and Applications (IPTA), Oulu, Finland, 12-15th December 2016.

2015

Jiandong Mu, Aida Vosoughi, Joao Andrade, Alexios Balatsoukas-Stimming, Georgios Karakonstantis, Andreas Burg, Gabriel Falcao, Vitor Silva and Joseph R. Cavallaro. "The Impact of Faulty Memory Bit Cells on the Decoding of Spatially-Coupled LDPC Codes", Proc. of the Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, USA, 8-11th November 2015. [bib] [pdf]

J. Amaro, G. Falcao, M. Gomes, B. Yiu and A. Yu. "From OpenCL to RTL: Towards Rapid Prototyping of Medical Imaging Systems on FPGAs", Proc. of the Conf. on Telecommunications (ConfTele), Portugal, September 2015.

P. Domingues, J. Silva, N. Rodrigues, S. Faria, G. Falcao and M. Carvalho. "Assessment of OpenCL performance on NVIDIA and AMD GPUs", Proc. of the Conf. on Telecommunications (ConfTele), Portugal, September 2015.

J. Andrade, N. George, K. Karras, D. Novo, V. Silva, P. Ienne and G. Falcao. "From Low-architectural Expertise Up to High-throughput Non-binary LDPC Decoders: Optimization Guidelines using High-level Synthesis", Proc. of the 25th International Conference on Field-programmable Logic and Applications (FPL), London, UK, 2-4th September 2015. [bib] [pdf] (Acceptance rate = 22%)

J. Andrade, N. George, K. Karras, D. Novo, V. Silva, P. Ienne and G. Falcao. "Fast Design Space Exploration using Vivado HLS: Non-Binary LDPC Decoders", Proc. of the 23rd Annual IEEE International Symposium on Field-Programmable Custom Computing Machines (FCCM), Vancouver, Canada, 3-5th May 2015. [bib] [pdf]

Joao Andrade, Gabriel Falcao and Vitor Silva. "Accelerating and Decelerating Min-Sum-based Gear-shift LDPC Decoders", Proc. of the 40th International Conference on Acoustics, Speech and Signal Processing (ICASSP), Brisbane, Australia, 19-24th April 2015. [bib] [pdf]

Ricardo Ralha, Gabriel Falcao, Joao Andrade, Michel Antunes, Joao Barreto and Urbano Nunes. "Distributed Dense Stereo Matching for 3D Reconstruction using Parallel-based Processing Advantages", Proc. of the 40th International Conference on Acoustics, Speech and Signal Processing (ICASSP), Brisbane, Australia, 19-24th April 2015. [bib] [pdf]

D.F. Fernandes, M. R. Rodrigues, G. Falcao and M. Silveirinha. "Time dynamics of electron waves in graphene superlattices", Proc. of Theory, Modelling and Computational Methods for Semiconductors - European Session, Granada, Spain, Vol. 1, pp. 1 - 1, January, 2015. [bib] [pdf]

2014

Joao Andrade, Aida Vosoughi, Guohui Wang, Georgios Karakonstantis, Andreas Burg, Gabriel Falcao, Vitor Silva and Joseph R. Cavallaro. "On the Performance of LDPC and Turbo Decoder Architectures with Unreliable Memories", Proc. of the Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, USA, 2-5th November 2014. [bib] [pdf]

Joao Amaro, Billy Yiu, Gabriel Falcao, Marco Gomes and Alfred Yu. "Rapid Prototyping of Real-Time FPGA Beamformers for Synthetic Aperture Imaging Based on High Level Synthesis", Proc. of the IEEE International Ultrasonics Symposium (IUS), Chicago, USA, 3-6th September 2014. [bib] [pdf]

Carlos Graca, Gabriel Falcao, Sunil Kumar and Isabel N. Figueiredo. "Cooperative Use of Parallel Processing with Time or Frequency-domain Filtering for Shape Recognition", Proc. of the 22nd European Signal Processing Conference (EUSIPCO), Lisbon, Portugal, 1-5th September 2014. [bib] [pdf]

Joao Andrade, Frederico Pratas, Gabriel Falcao, Vitor Silva and Leonel Sousa. "Combining Flexibility with Low Power: Dataflow and Wide-pipeline LDPC Decoding Engines in the Gbit/s Era", Proc. of the 25th IEEE International Conference on Application-specific Systems, Architectures and Processors (ASAP), Zurich, Switzerland, 18-20th June 2014. [bib] [pdf]

Joao Andrade, Gabriel Falcao, Vitor Silva and Kenta Kasai. "Flexible Non-Binary LDPC Decoding on FPGAs", Proc. of the 39th International Conference on Acoustics, Speech and Signal Processing (ICASSP), Florence, Italy, 4-9th May 2014. [bib] [pdf]

Vasco Mota, Gabriel Falcao, Michel Antunes, Joao Barreto and Urbano Nunes. "Using the GPU for fast symmetry-based dense stereo matching in high resolution images", Proc. of the 39th International Conference on Acoustics, Speech and Signal Processing (ICASSP), Florence, Italy, 4-9th May 2014. [bib] [pdf]

2013

Rui Melo, Michel Antunes, Joao Barreto, Gabriel Falcao and Nuno Goncalves. "Unsupervised intrinsic calibration from a single frame using a 'plumb-line' approach", Proc. of the IEEE International Conference on Computer Vision (ICCV), Sydney, Australia, 3-6th December 2013. [bib][pdf] (Acceptance rate ≈ 25%)

Frederico Pratas, Joao Andrade, Gabriel Falcao, Vitor Silva and Leonel Sousa. "Open the Gates: High-level Synthesis Towards Programmable LDPC Decoders on FPGAs", Proc. of the 1st IEEE Global Conference on Signal and Information Processing (GlobalSIP), Austin, Texas, USA, 3-5th December 2013. [bib][pdf]

Joao Andrade, Vitor Silva and Gabriel Falcao. "From OpenCL to Gates: the FFT", Proc. of the 1st IEEE Global Conference on Signal and Information Processing (GlobalSIP), Austin, Texas, USA, 3-5th December 2013. [bib][pdf]

Rui Melo, Joao Barreto and Gabriel Falcao. "Camera calibration and real-time image distortion correction in medical endoscopy using exchangeable optics", 3rd Joint Workshop on New Technologies for Computer/Robot Assisted Surgery (CRAS), Verona, Italy, 11-13th September 2013. [bib][pdf] (Best Paper Award)

Gabriel Falcao, Joao Andrade, Vitor Silva, Shinichi Yamagiwa and Leonel Sousa. "Stressing the BER simulation of LDPC codes in the error floor region using GPU clusters", Proc. of the 10th International Symposium on Wireless Communication Systems (ISWCS), Ilmenau, Germany, August 2013. [bib][pdf]

Joao Amaro, Gabriel Falcao, Billy Y. S. Yiu and Alfred C. H. Yu. "Portable Parallel Kernels for High-Speed Beamforming in Synthetic Aperture Ultrasound Imaging", Proc. of the 38th International Conference on Acoustics, Speech and Signal Processing (ICASSP), Vancouver, Canada, 26-31st May 2013. [bib] [pdf]

Joao Andrade, Gabriel Falcao, Vitor Silva and Kenta Kasai. "FFT-SPA Non-Binary LDPC Decoding on GPU", Proc. of the 38th International Conference on Acoustics, Speech and Signal Processing (ICASSP), Vancouver, Canada, 26-31st May 2013. [bib][pdf]

Marco Martins, Gabriel Falcao and Isabel N. Figueiredo. "Fast Aberrant Crypt Foci Segmentation on the GPU", Proc. of the 38th International Conference on Acoustics, Speech and Signal Processing (ICASSP), Vancouver, Canada, 26-31st May 2013. [bib][pdf]

Joao Andrade, Gabriel Falcao, Vitor Silva, Joao Barreto, Nuno Goncalves and Valentin Savin. "Near-LSPA Performance at MSA Complexity", Proc. of the IEEE International Conference on Communications (ICC), Budapest, Hungary, June 2013. [bib][pdf]

Joao Andrade, Gabriel Falcao, Vitor Silva, Muhsen Owaida, Nikolaos Bellas, Christos D. Antonopoulos and Paolo Ienne. "Towards High-Throughput with Low-Effort Programming: From General-Purpose Manycores to Dedicated Circuits", Workshop on Designing for Embedded Parallel Computing Platforms: Architectures, Design Tools, and Applications (DEPCP) at DATE 2013, Grenoble, France, March 2013. [bib][pdf]

Joao Andrade, Gabriel Falcao and Vitor Silva. "Structuring Irregular Binary LDPC Decoding on Graphics Processors", Proc. of the Conf. on Telecommunications (ConfTele), Portugal, May 2013.

2012

Gabriel Falcao, Muhsen Owaida, David Novo, Madhura Purnaprajna, Nikolaos Bellas, Christos D. Antonopoulos, Georgios Karakonstantis, Andreas Burg and Paolo Ienne. "Shortening design time through multiplatform simulations with a portable OpenCL golden-model: the LDPC decoder case", Proc. of the 20th Annual IEEE International Symposium on Field-Programmable Custom Computing Machines (FCCM), Toronto, Canada, May 2012. [bib][pdf] (Acceptance rate = 22%)

Andreas Diavastos, Panayiotis Petrides, Gabriel Falcao and Pedro Trancoso;. "LDPC Decoding on the Intel SCC", Proc. Euromicro International Conf. on Parallel, Distributed and network-based Processing (PDP), Garching, Germany, February 2012. [bib][pdf]

2011

Gabriel Falcao, Joao Andrade, Vitor Silva and Leonel Sousa. "Real-Time DVB-S2 LDPC Decoding on Many-Core GPU Accelerators", Proc. of the 36th International Conference on Acoustics, Speech and Signal Processing (ICASSP), Czech Republic, 22-27 May 2011. [bib][pdf]

2010

Gabriel Falcao, Leonel Sousa and Vitor Silva. "Embedded Architectures for LDPC Decoding", Proc. of SAMOS X, International Conference on Embedded Computer Systems: Architectures, Modeling and Simulation, Samos, Greece, 19-22 July 2010. [bib][pdf]

2009

Gabriel Falcao, Vitor Silva and Leonel Sousa. "How GPUs can outperform ASICs for fast LDPC decoding", Proc. of the 23rd ACM International Conference on Supercomputing (ICS), ACM, New York, USA, June 2009. [bib][pdf] (Acceptance rate ≈ 20%)

Leonel Sousa, Svetislav Momcilovic, Vitor Silva and Gabriel Falcao. "Multi-Core Platforms for Signal Processing: Source and Channel Coding", Proc. of the Workshop on Multimedia Signal Processing and Novel Parallel Computing, at the 2009 IEEE International Conference on Multimedia and Expo (ICME), Mexico, July 2009. [bib][pdf]

Gabriel Falcao, Leonel Sousa, Vitor Silva and José Marinho. "Parallel LDPC Decoding on the Cell/B.E. Processor", Proc. of the International Conf. on High Performance and Embedded Architectures and Compilers (HiPEAC), Paphos, Cyprus, Springer, Vol. 5409, pp. 389 - 403, January 2009. [bib][pdf]

2008

M. Gomes, G. Falcao, V. Silva, V. Ferreira, A. Sengo, L. Silva, N. Marques and M. Falcao. "Scalable and Parallel Codec Architectures for the DVB-S2 FEC System", Proc. of the IEEE Asia Pacific Conference on Circuits and Systems (APCCAS), Macau, China, Vol. 1, pp. 1506 - 1509, November 2008. [bib][pdf]

Gabriel Falcao, Marco Gomes, Vitor Silva, Luís Silva, Nuno Marques and Miguel Falcao. "Design of a Complete BCH Codec for DVB-S2 Applications", Proc. of Universidade do Minho IV Jornadas sobre Sistemas Reconfiguráveis (REC2008), Braga, Portugal, Vol. 1, pp. 75 - 80, February 2008. [bib][pdf]

Gabriel Falcao, Vitor Silva, Marco Gomes and Leonel Sousa. "Edge Stream Oriented LDPC Decoding", Proc. of the Euromicro International Conf. on Parallel, Distributed and network-based Processing (PDP), Toulouse, France, pp. 237 - 244, February 2008. [bib][pdf]

Gabriel Falcao, Leonel Sousa and Vitor Silva. "Massive Parallel LDPC Decoding on GPU", Proc. of the 13th ACM SIGPLAN Symp. on Principles and Practice of Parallel Programming (PPoPP), Salt Lake City, USA, pp. 83 - 90, February 2008. [bib][pdf] (Acceptance rate ≈ 24%)

2007

Marco Gomes, Gabriel Falcao, Alexandre Sengo, Vitor Ferreira, Vitor Silva and Miguel Falcao. "High Throughput Encoder Architecture for DVB-S2 LDPC-IRA Codes", Proc. of the IEEE International Conf. on Microelectronics (ICM), Cairo, Egypt, pp. 271 - 274, December 2007. [bib][pdf]

Marco Gomes, Gabriel Falcao, Vitor Silva, Vitor Ferreira, Alexandre Sengo and Miguel Falcao. "Flexible Parallel Architecture for DVB-S2 LDPC Decoders", Proc. of the IEEE Global Communications Conference (GLOBECOM), Washington DC, USA, pp. 3265 - 3269, November 2007. [bib][pdf]

Gabriel Falcao, Shinichi Yamagiwa, Vitor silva and Leonel Sousa. "Stream-Based LDPC Decoding on GPUs", Proc. of the Workshop on General-purpose Processing on Graphics Processing Units - GPGPU, Boston, USA, pp. 1 - 7, October 2007. [bib][pdf]

M. Gomes, G. Falcao, V. Silva, V. Ferreira, A. Sengo and M. Falcao. "Factorizable modulo M parallel architecture for DVB-S2 LDPC decoding", Proc. of the Conf. on Telecommunications (ConfTele), Peniche, Portugal, pp. 153 - 156, May, 2007. [bib][pdf]

2006

M. Gomes, G. Falcao, J. Gonçalves, V. Silva, M. Falcao and P. Faia. "HDL Library of Processing Units for Generic and DVB-S2 LDPC Decoding", Proc. of the International Conf. on Signal Processing and Multimedia Applications, Setúbal, Portugal, August, 2006. [bib][pdf]

G. Falcao, M. Gomes, J. Gonçalves, P. Faia and V. Silva. "HDL Library of Processing Units for an Automatic LDPC Decoder Design", Proc. of the IEEE PhD. Research in Microelectronics and Electronics (PRIME), Otranto (Lecce), Italy, pp. 349 - 352, June 2006. [bib][pdf]

Before 2006

G. Falcao Fernandes and L. Cruz. "E-Grading: Um Sistema Automático de Avaliação pela Web", Proc. of the Conf. eLearning no Ensino Superior (eLES'04), Aveiro, Portugal, October 2004. [bib][pdf]

J. Leitão, G. Falcao Fernandes and A. Ferreira. "Adaptive Room Equalization in the Frequency Domain", Proc. of the 116th Audio Engineering Society (AES), Munich, Germany, May 2004. [bib][pdf]

L. Martins, G. Falcao Fernandes and A. Ferreira. "Implementation of a Real-Time Audio Decoder: ASCdec", Proc. of the 107th Audio Engineering Society (AES), New York, USA, September 1999. [bib][pdf]

G. Falcao Fernandes, L. Martins, M. Falcao, F. Pinto and A. Ferreira. "Implementation of a New Method to Digital Audio Equalization", Proc. of the 106th Audio Engineering Society (AES), Munich, Germany, May 1999. [bib][pdf]

M. Falcao, G. Falcao Fernandes, A. Ferreira, J. Santos and A. Maia. "Desmodulação Interferométrica Pseudo-Heterodina por Processamento Digital de Sinal", Proc. of the Conf. Nacional de Física, Maia, Portugal, September 1998. [bib][pdf]

Technical Reports

G. Falcao Fernandes, L. Martins, and M. Falcao. Tecnhical Report of a "20 Band Digital Audio Equalizer, Implementation on an Expanded TMS320C31DSK" project developed to a participation in the "DSP Challenge 97", promoted by Texas Instruments, with final classification in the EUROPEAN TOP 20. [bib][pdf]

Theses

G. Falcao Fernandes. "Parallel Algorithms and Architectures for LDPC Decoding", Ph.D. Thesis, FCTUC, University of Coimbra, December 2010.

G. Falcao Fernandes. "Adaptive Room Equalization", MSc. Thesis, FEUP, University of Porto, June 2002.

G. Falcao Fernandes, L. Gustavo Martins, and M. Falcao Sousa. "20 Band Digital Audio Equalizer - Implementation on an Expanded TMS320C31 DSK ", Graduation Thesis, FEUP, University of Porto, September 1997.