Memory-aware multiple reference frame motion estimation for the H.264/AVC standard. - Mateus Grellert; Felipe Sampaio; Bruno Hecktheuer; Júlio C. B. de Mattos; Luciano Volcan Agostini (ICECS, 2010)

A multilevel data reuse scheme for Motion Estimation and its VLSI design. - Mateus Grellert; Felipe Sampaio; Júlio C. B. de Mattos; Luciano Volcan Agostini (ISCAS, 2011)

Motion Vectors Merging: Low Complexity Prediction Unit Decision Heuristic for the Inter-prediction of HEVC Encoders. - Felipe Sampaio; Sergio Bampi; Mateus Grellert; Luciano Volcan Agostini; Júlio C. B. de Mattos (ICME, 2012)

Hardware-software collaborative complexity reduction scheme for the emerging HEVC intra encoder. - Muhammad Usman Karim Khan; Muhammad Shafique 001; Mateus Grellert; Jörg Henkel (DATE, 2013)

An adaptive workload management scheme for HEVC encoding. - Mateus Grellert; Muhammad Shafique 001; Muhammad Usman Karim Khan; Luciano Volcan Agostini; Júlio C. B. de Mattos; Jörg Henkel (ICIP, 2013)

Iterative random search: a new local minima resistant algorithm for motion estimation in high-definition videos. - Marcelo Schiavon Porto; Cassio Cristani; Pargles Dall'Oglio; Mateus Grellert; Júlio C. B. de Mattos; Sergio Bampi; Luciano Volcan Agostini (Multim. Tools Appl., 2013)

Rate-distortion and energy performance of HEVC video encoders. - Eduarda Monteiro; Mateus Grellert; Bruno Zatt; Sergio Bampi (PATMOS, 2014)

Rate-distortion and energy performance of HEVC and H.264/AVC encoders: A comparative analysis. - Eduarda Monteiro; Mateus Grellert; Sergio Bampi; Bruno Zatt (ISCAS, 2015)

Energy-aware cache assessment of HEVC decoding. - Eduarda Monteiro; Mateus Grellert; Sergio Bampi; Bruno Zatt (ISCAS, 2016)

Complexity-scalable HEVC encoding. - Mateus Grellert; Sergio Bampi; Bruno Zatt (PCS, 2016)

Exploiting absolute arithmetic for power-efficient sum of absolute differences. - Brunno Abreu; Guilherme Paim; Mateus Grellert; Bianca Silveira; Cláudio Machado Diniz; Eduardo Costa 001; Sergio Bampi (ICECS, 2017)

Using adder and subtractor compressors to sum of absolute transformed differences architecture for low-power video encoding. - Bianca Silveira; Brunno Abreu; Guilherme Paim; Mateus Grellert; Rafael S. Ferreira; Cláudio Machado Diniz; Eduardo Costa 001; Sergio Bampi (ICECS, 2017)

Complexity control of HEVC encoders targeting real-time constraints. - Mateus Grellert; Bruno Zatt; Muhammad Shafique 001; Sergio Bampi; Jörg Henkel (J. Real Time Image Process., 2017)

Power-Efficient Sum of Absolute Differences Hardware Architecture Using Adder Compressors for Integer Motion Estimation Design. - Bianca Silveira; Guilherme Paim; Brunno Abreu; Mateus Grellert; Cláudio Machado Diniz; Eduardo A. C. da Costa; Sergio Bampi (IEEE Trans. Circuits Syst. I Regul. Pap., 2017)

Learning-Based Complexity Reduction and Scaling for HEVC Encoders. - Mateus Grellert; Sergio Bampi; Guilherme Corrêa 001; Bruno Zatt; Luís Alberto da Silva Cruz (ICASSP, 2018)

Fast and energy-efficient HEVC transrating based on frame partitioning inheritance. - Thiago Bubolz; Ruhan A. Conceição; Mateus Grellert; Bruno Zatt; Luciano Volcan Agostini; Guilherme Corrêa 001 (LASCAS, 2018)

Exploiting Partial Distortion Elimination in the Sum of Absolute Differences for Energy-Efficient HEVC Integer Motion Estimation. - Brunno Abreu; Gustavo M. Santana; Mateus Grellert; Guilherme Paim; Leandro M. G. Rocha; Eduardo A. C. da Costa; Sergio Bampi (SBCCI, 2018)

Fast HEVC Transrating using Random Forests. - Mateus Grellert; Tiago J. L. Oliveira; Carlos Rafael Duarte; Luís Alberto da Silva Cruz (VCIP, 2018)

Hyperparameter Tuning and its Effects on Cardiac Arrhythmia Prediction. - Renan Soares de Andrades; Mateus Grellert; Mateus Beck Fonseca (BRACIS, 2019)

Coding Tree Early Termination for Fast HEVC Transrating Based on Random Forests. - Thiago Bubolz; Mateus Grellert; Bruno Zatt; Guilherme Corrêa 001 (ICASSP, 2019)

Exploring Motion Vector Cost with Partial Distortion Elimination in Sum of Absolute Differences for HEVC Integer Motion Estimation. - Brunno Abreu; Mateus Grellert; Guilherme Paim; Thomas V. Fontanari; Leandro M. G. Rocha; Eduardo A. C. da Costa; Sergio Bampi (NEWCAS, 2019)

Approximate interpolation filters for the fractional motion estimation in HEVC encoders and their VLSI design. - Rafael da Silva; Ícaro Siqueira; Mateus Grellert (SBCCI, 2019)

Evaluation of machine learning algorithms for fast video transcoding in streaming services. - Thiago Bubolz; Bruno Zatt; Guilherme Corrêa 001; Mateus Grellert (WebMedia, 2019)

Energy-aware cache hierarchy assessment targeting HEVC encoder execution. - Eduarda Monteiro; Mateus Grellert; Bruno Zatt; Sergio Bampi (J. Real Time Image Process., 2019)

Quality and Energy-Aware HEVC Transrating Based on Machine Learning. - Thiago Luiz Alves Bubolz; Ruhan A. Conceição; Mateus Grellert; Luciano Agostini; Bruno Zatt; Guilherme Corrêa 001 (IEEE Trans. Circuits Syst. I Regul. Pap., 2019)

Fast Coding Unit Partition Decision for HEVC Using Support Vector Machines. - Mateus Grellert; Bruno Zatt; Sergio Bampi; Luís Alberto da Silva Cruz (IEEE Trans. Circuits Syst. Video Technol., 2019)

Hardware Architecture for the Regular Interpolation Filter of the AV1 Video Coding Standard. - Daiane Freitas; Rafael da Silva; Ícaro Siqueira; Cláudio Machado Diniz; Ricardo A. L. Reis; Mateus Grellert (EUSIPCO, 2020)

VLSI Design of Tree-Based Inference for Low-Power Learning Applications. - Brunno A. Abreu; Mateus Grellert; Sergio Bampi (ISCAS, 2020)

Rate-Distortion and Complexity Comparison of HEVC and VVC Video Encoders. - Ícaro Siqueira; Guilherme Corrêa 001; Mateus Grellert (LASCAS, 2020)

Standalone Rate-Distortion FME Architecture. - Vanio Rodrigues Filho; Marcio Monteiro; Ismael Seidel; Mateus Grellert; José Luís Güntzel (SBCCI, 2020)

Exploring high-order adder compressors for power reduction in sum of absolute differences architectures for real-time UHD video encoding. - Guilherme Paim; Gustavo M. Santana; Brunno A. Abreu; Leandro M. G. Rocha; Mateus Grellert; Eduardo A. C. da Costa; Sergio Bampi (J. Real Time Image Process., 2020)

Logic Synthesis Meets Machine Learning: Trading Exactness for Generalization. - Shubham Rai; Walter Lau Neto; Yukio Miyasaka; Xinpei Zhang; Mingfei Yu; Qingyang Yi; Masahiro Fujita; Guilherme B. Manske; Matheus F. Pontes; Leomar S. da Rosa; Marilton S. de Aguiar; Paulo F. Butzen; et al. (DATE, 2021)

Relying on a Rate Constraint to Reduce Motion Estimation Complexity. - Gabriel B. Sant'Anna; Luiz Henrique Cancellier; Ismael Seidel; Mateus Grellert; José Luís Güntzel (ICASSP, 2021)

Quality and Complexity Assessment of Learning-Based Image Compression Solutions. - João Dick; Brunno Abreu; Mateus Grellert; Sergio Bampi (ICIP, 2021)

Fast Logic Optimization Using Decision Trees. - Brunno A. Abreu; Augusto Andre Souza Berndt; Isac de Souza Campos; Cristina Meinhardt; Jônata Tyska Carvalho; Mateus Grellert; Sergio Bampi (ISCAS, 2021)

Design of Energy-Efficient Gaussian Filters by Combining Refactoring and Approximate Adders. - Marcio Monteiro; Pedro Aquino Silva; Ismael Seidel; Mateus Grellert; Leonardo Bandeira Soares; José Luís Güntzel; Cristina Meinhardt (ISCAS, 2021)

Complexity and Coding Efficiency Assessment of the Versatile Video Coding Standard. - Ícaro Siqueira; Guilherme Corrêa 001; Mateus Grellert (ISCAS, 2021)

Hardware-Friendly Search Patterns for the Versatile Video Coding Fractional Motion Estimation. - Vanio Rodrigues Filho; Marcio Monteiro; Ismael Seidel; Mateus Grellert; José Luís Güntzel (MMSP, 2021)

SAD or SATD? How the Distortion Metric Impacts a Fractional Motion Estimation VLSI Architecture. - Ismael Seidel; Vanio Rodrigues Filho; Mateus Grellert; Luciano Volcan Agostini; José Luís Güntzel (MMSP, 2021)

Coding mode decision algorithm for fast HEVC transrating using heuristics and machine learning. - Mateus Grellert; Luís Alberto da Silva Cruz; Bruno Zatt; Sergio Bampi (J. Real Time Image Process., 2021)

Event Detection in Therapy Sessions for Children with Autism. - Guilherme Ocker Ribeiro; Alexandre Soli Soares; Jônata Tyska Carvalho; Mateus Grellert (BRACIS (2), 2022)

Autoencoder Model Exploration for Multi-Layer Video Compression. - Luiz Henrique Cancellier; Mateus Grellert; José Luís Güntzel; Luís Alberto da Silva Cruz (EUVIP, 2022)

Low-Complexity Multi-Type Tree Partitioning for Versatile Video Coding Based on Machine Learning. - Matheus Lindino; Bruno Zatt; Mateus Grellert; Guilherme Corrêa 001 (ICIP, 2022)

On the Netlist Gate-level Pruning for Tree-based Machine Learning Accelerators. - Brunno A. Abreu; Guilherme Paim; Jorge Castro-Godínez; Mateus Grellert; Sergio Bampi (LASCAS, 2022)

Exploring the Impacts of Multiple Kernel Sizes of Gaussian Filters Combined to Approximate Computing in Canny Edge Detection. - Marcio Monteiro; Ismael Seidel; Mateus Grellert; José Luís Güntzel; Leonardo Bandeira Soares; Cristina Meinhardt (LASCAS, 2022)

High-Throughput Multifilter VLSI Design for the AV1 Fractional Motion Estimation. - Daiane Freitas; Bruna Nagai; Mateus Grellert; Cláudio Machado Diniz; Guilherme Corrêa 001 (SBCCI, 2022)

Exploring Machine Learning for Electrical Behavior Prediction: The CMOS Inverter Case Study. - Gabriel Lima Jacinto; Lucas Yuki Imamura; Mateus Grellert; Cristina Meinhardt (SBCCI, 2022)

Exploring Approximate Comparator Circuits on Power Efficient Design of Decision Trees. - Pedro Aquino Silva; Mateus Grellert; Cristina Meinhardt (VLSI-SoC, 2022)

Approximation Workflow for Energy-Efficient Comparators in Decision Tree Applications. - Pedro Aquino Silva; Mateus Grellert; Cristina Meinhardt (VLSI-SoC, 2022)

A framework for designing power-efficient inference accelerators in tree-based learning applications. - Brunno Abreu; Mateus Grellert; Sergio Bampi (Eng. Appl. Artif. Intell., 2022)

C2PAx: Complexity-Aware Constant Parameter Approximation for Energy-Efficient Tree-Based Machine Learning Accelerators. - Brunno Alves Abreu; Guilherme Paim; Mateus Grellert; Sergio Bampi (IEEE Trans. Circuits Syst. I Regul. Pap., 2022)

MAT-Tree: A Tree-Based Method for Multiple Aspect Trajectory Clustering. - Yuri Santos; Ricardo Giuliani; Vania Bogorny; Mateus Grellert; Jônata Tyska Carvalho (BRACIS (1), 2023)

Stimming Behavior Dataset - Unifying Stereotype Behavior Dataset in the Wild. - Guilherme Ocker Ribeiro; Mateus Grellert; Jônata Tyska Carvalho (CBMS, 2023)

Fast and Low-Error Prediction of Logic Gate Cell Characterization. - Gabriel Lima Jacinto; Cínthia Schneider; Alexandra L. Zimpeck; Mateus Grellert; Cristina Meinhardt (ICECS, 2023)

Hypersaline Tidal Flats Detection Using Deep Learning Over 37 Years of Landsat Data. - Maria Luize Pinheiro; Luiz Cortinhas; Cesar Guerreiro Diniz; Raian Vargas Maretto; Mateus Grellert (IGARSS, 2023)

Multiversion Low-Power Hardware Accelerator for the AV1 Interpolation Filters. - Daiane Freitas; Mateus Grellert; Cláudio Machado Diniz; Guilherme Corrêa 001 (ISCAS, 2023)

Complexity and Coding Efficiency Assessment of AOMedia Video 1. - Ícaro Siqueira; Guilherme Corrêa 001; Mateus Grellert (LASCAS, 2023)

A New Approach to Video Coding Leveraging Hybrid Coding and Video Frame Interpolation. - André Beims Bräscher; Gabriela Furtado Da Silveira; Luiz Henrique Cancellier; Ismael Seidel; Mateus Grellert; José Luís Güntzel (SBCCI, 2023)

Low-Energy and Reduced-Area Hardware Architecture for the Versatile Video Coding FME. - Vanio Rodrigues Filho; Ismael Seidel; Nicole Citadin; Marcio Monteiro; Mateus Grellert; José Luís Güntzel (SBCCI, 2023)

Energy and Computing Assessment of Video Processing Kernels on CPU and FPGA platforms. - Fillipi Mangrich; João Gabriel Firta Foes; Guilherme Correa; Ismael Seidel; Mateus Grellert (SBCCI, 2023)

An Energy-Efficient Interpolation Unit Targeting VVC Encoders with Approximate Adder. - Rafael da Silva; Mateus Grellert; Ricardo Reis 001 (SBCCI, 2023)

Using Data Mining Techniques to Understand Patterns of Suicide and Reattempt Rates in Southern Brazil. - Caibe A. Pereira; Rômulo C. R. Peixoto; Manuella P. Kaster; Mateus Grellert; Jônata Tyska Carvalho (BIOSTEC (2), 2024)

Energy-Efficient Design of Approximate VVC Interpolation Filters Units. - Rafael da Silva; Mateus Grellert; Ricardo Reis 001 (ISVLSI, 2024)

Rate-Distortion and Complexity Analysis of Fast Video Encoders. - Eduardo Ferraz Lodi; Arthur Scarpatto; Ismael Seidel; Guilherme Corrêa 001; Mateus Grellert (LASCAS, 2024)

A Design Framework for Neural Network Architecture Exploration. - Luis Antonio Spader Simon; Lucas Soares; Brunno Abreu; Mateus Grellert (LASCAS, 2024)

Computationally-Efficient Neural Image Compression Using Asymmetric Autoencoders. - Leonardo Augusto; Thiago L. T. da Silveira; Mateus Grellert (SBCCI, 2024)

A Dual-Kernel Size-Configurable Gaussian Filter Architecture. - Marcio Monteiro; Ismael Seidel; José Luís Güntzel; Mateus Grellert; Leonardo Bandeira Soares; Cristina Meinhardt (SBCCI, 2024)

Interaction Detection in Images of Therapy Sessions with Children with Autism Spectrum Disorder. - Brenda Caroline Santos Mendes; Jônata Tyska Carvalho; Mateus Grellert (CBMS, 2025)

Power-Efficient Design of Approximate Parallel-Tree Digital Comparators. - Pedro Aquino Silva; Rita B. Louro; Mateus Grellert da Silva; Cristina Meinhardt (LASCAS, 2025)

Asymmetric Multi-Layer Compression: Decoupling Inter-Layer Coding Dependencies With a Learned Model. - Luiz Henrique Cancellier; André Beims Bräscher; Ismael Seidel; Mateus Grellert; Luís Alberto da Silva Cruz; José Luís Güntzel (IEEE Access, 2025)

End-to-End Neural Video Compression: A Review. - Jiovana Sousa Gomes; Mateus Grellert; Fábio Luís Livi Ramos; Sergio Bampi (IEEE Open J. Circuits Syst., 2025)

Low-Power Multiversion Interpolation Filter Accelerator With Hardware Reuse for AV1 Codec. - Daiane Freitas; Patrick Rosa; Leonardo Müller; Daniel Palomino 001; Cláudio Machado Diniz; Mateus Grellert; Guilherme Corrêa 001 (IEEE J. Emerg. Sel. Topics Circuits Syst., 2025)

An LSTM approach to predict emergency events using spatial features. - Felipe Vieira; Antônio Augusto Fröhlich; Mateus Grellert (Appl. Intell., 2025)