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ORCIDMateus Grellert
Mateus Grellert da Silva
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- affiliation (PhD 2018): Universidade Federal do Rio Grande do Sul (UFRGS), PGMICRO, Institute of Informatics (INF), Porto Alegre, Brazil
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2020 – today
- 2025
[j15]Luiz Henrique Cancellier
, André Beims Bräscher, Ismael Seidel, Mateus Grellert, Luís Alberto da Silva Cruz, José Luís Güntzel:
Asymmetric Multi-Layer Compression: Decoupling Inter-Layer Coding Dependencies With a Learned Model. IEEE Access 13: 31671-31682 (2025)- [j14]Felipe Vieira, Antônio Augusto Fröhlich, Mateus Grellert:
An LSTM approach to predict emergency events using spatial features. Appl. Intell. 55(5): 334 (2025) - [j13]Daiane Freitas, Patrick Rosa, Leonardo Müller, Daniel Palomino, Cláudio Machado Diniz, Mateus Grellert, Guilherme Corrêa:
Low-Power Multiversion Interpolation Filter Accelerator With Hardware Reuse for AV1 Codec. IEEE J. Emerg. Sel. Topics Circuits Syst. 15(1): 133-142 (2025) - [j12]Jiovana Sousa Gomes, Mateus Grellert, Fábio Luís Livi Ramos, Sergio Bampi:
End-to-End Neural Video Compression: A Review. IEEE Open J. Circuits Syst. 6: 120-134 (2025) - [j11]Rafael da Silva, Pedro T. L. Pereira, Mateus Grellert, Ricardo Augusto da Luz Reis:
Cross-Layer Approximate Design of Low-Power Fractional Motion Estimation Accelerators for VVC. IEEE Trans. Very Large Scale Integr. Syst. 33(9): 2415-2423 (2025) - [c59]Brenda Caroline Santos Mendes, Jônata Tyska Carvalho, Mateus Grellert:
Interaction Detection in Images of Therapy Sessions with Children with Autism Spectrum Disorder. CBMS 2025: 585-590 - [c58]Pedro Aquino Silva, Rita B. Louro, Mateus Grellert da Silva, Cristina Meinhardt:
Power-Efficient Design of Approximate Parallel-Tree Digital Comparators. LASCAS 2025: 1-5 - 2024
- [c57]Caibe A. Pereira, Rômulo C. R. Peixoto, Manuella P. Kaster, Mateus Grellert, Jônata Tyska Carvalho:
Using Data Mining Techniques to Understand Patterns of Suicide and Reattempt Rates in Southern Brazil. BIOSTEC (2) 2024: 385-392 - [c56]Rafael da Silva, Mateus Grellert, Ricardo Reis:
Energy-Efficient Design of Approximate VVC Interpolation Filters Units. ISVLSI 2024: 63-68 - [c55]Eduardo Ferraz Lodi, Arthur Scarpatto, Ismael Seidel, Guilherme Corrêa, Mateus Grellert:
Rate-Distortion and Complexity Analysis of Fast Video Encoders. LASCAS 2024: 1-5 - [c54]Luis Antonio Spader Simon, Lucas Soares, Brunno Abreu, Mateus Grellert:
A Design Framework for Neural Network Architecture Exploration. LASCAS 2024: 1-5 - [c53]Leonardo Augusto, Thiago L. T. da Silveira, Mateus Grellert:
Computationally-Efficient Neural Image Compression Using Asymmetric Autoencoders. SBCCI 2024: 1-5 - [c52]Marcio Monteiro, Ismael Seidel, José Luís Güntzel, Mateus Grellert, Leonardo Bandeira Soares, Cristina Meinhardt:
A Dual-Kernel Size-Configurable Gaussian Filter Architecture. SBCCI 2024: 1-5 - 2023
- [c51]Yuri Santos, Ricardo Giuliani, Vania Bogorny, Mateus Grellert, Jônata Tyska Carvalho:
MAT-Tree: A Tree-Based Method for Multiple Aspect Trajectory Clustering. BRACIS (1) 2023: 464-478 - [c50]Guilherme Ocker Ribeiro, Mateus Grellert, Jônata Tyska Carvalho:
Stimming Behavior Dataset - Unifying Stereotype Behavior Dataset in the Wild. CBMS 2023: 225-230 - [c49]Gabriel Lima Jacinto, Cínthia Schneider, Alexandra L. Zimpeck, Mateus Grellert, Cristina Meinhardt:
Fast and Low-Error Prediction of Logic Gate Cell Characterization. ICECS 2023: 1-4 - [c48]Maria Luize Pinheiro, Luiz Cortinhas, Cesar Guerreiro Diniz, Raian Vargas Maretto, Mateus Grellert:
Hypersaline Tidal Flats Detection Using Deep Learning Over 37 Years of Landsat Data. IGARSS 2023: 3337-3340 - [c47]Daiane Freitas, Mateus Grellert, Cláudio Machado Diniz, Guilherme Corrêa:
Multiversion Low-Power Hardware Accelerator for the AV1 Interpolation Filters. ISCAS 2023: 1-5 - [c46]Ícaro Siqueira, Guilherme Corrêa, Mateus Grellert:
Complexity and Coding Efficiency Assessment of AOMedia Video 1. LASCAS 2023: 1-4 - [c45]André Beims Bräscher, Gabriela Furtado Da Silveira, Luiz Henrique Cancellier, Ismael Seidel, Mateus Grellert, José Luís Güntzel:
A New Approach to Video Coding Leveraging Hybrid Coding and Video Frame Interpolation. SBCCI 2023: 1-6 - [c44]Vanio Rodrigues Filho, Ismael Seidel, Nicole Citadin, Marcio Monteiro, Mateus Grellert, José Luís Güntzel:
Low-Energy and Reduced-Area Hardware Architecture for the Versatile Video Coding FME. SBCCI 2023: 1-6 - [c43]Fillipi Mangrich, João Gabriel Firta Foes, Guilherme Correa, Ismael Seidel, Mateus Grellert:
Energy and Computing Assessment of Video Processing Kernels on CPU and FPGA platforms. SBCCI 2023: 1-6 - [c42]Rafael da Silva, Mateus Grellert, Ricardo Reis:
An Energy-Efficient Interpolation Unit Targeting VVC Encoders with Approximate Adder. SBCCI 2023: 1-5 - 2022
- [j10]Brunno Abreu, Mateus Grellert, Sergio Bampi:
A framework for designing power-efficient inference accelerators in tree-based learning applications. Eng. Appl. Artif. Intell. 109: 104638 (2022) - [j9]Brunno Alves Abreu, Guilherme Paim, Mateus Grellert, Sergio Bampi:
C2PAx: Complexity-Aware Constant Parameter Approximation for Energy-Efficient Tree-Based Machine Learning Accelerators. IEEE Trans. Circuits Syst. I Regul. Pap. 69(7): 2683-2693 (2022) - [c41]Guilherme Ocker Ribeiro, Alexandre Soli Soares, Jônata Tyska Carvalho, Mateus Grellert:
Event Detection in Therapy Sessions for Children with Autism. BRACIS (2) 2022: 221-235 - [c40]Luiz Henrique Cancellier, Mateus Grellert, José Luís Güntzel, Luís Alberto da Silva Cruz:
Autoencoder Model Exploration for Multi-Layer Video Compression. EUVIP 2022: 1-6 - [c39]Matheus Lindino, Bruno Zatt, Mateus Grellert, Guilherme Corrêa:
Low-Complexity Multi-Type Tree Partitioning for Versatile Video Coding Based on Machine Learning. ICIP 2022: 3616-3620 - [c38]Brunno A. Abreu, Guilherme Paim, Jorge Castro-Godínez, Mateus Grellert, Sergio Bampi:
On the Netlist Gate-level Pruning for Tree-based Machine Learning Accelerators. LASCAS 2022: 1-4 - [c37]Marcio Monteiro, Ismael Seidel, Mateus Grellert, José Luís Güntzel, Leonardo Bandeira Soares, Cristina Meinhardt:
Exploring the Impacts of Multiple Kernel Sizes of Gaussian Filters Combined to Approximate Computing in Canny Edge Detection. LASCAS 2022: 1-4 - [c36]Daiane Freitas, Bruna Nagai, Mateus Grellert, Cláudio Machado Diniz, Guilherme Corrêa:
High-Throughput Multifilter VLSI Design for the AV1 Fractional Motion Estimation. SBCCI 2022: 1-6 - [c35]Gabriel Lima Jacinto, Lucas Yuki Imamura, Mateus Grellert, Cristina Meinhardt:
Exploring Machine Learning for Electrical Behavior Prediction: The CMOS Inverter Case Study. SBCCI 2022: 1-6 - [c34]Pedro Aquino Silva, Mateus Grellert, Cristina Meinhardt:
Exploring Approximate Comparator Circuits on Power Efficient Design of Decision Trees. VLSI-SoC 2022: 1-6 - [c33]Pedro Aquino Silva, Mateus Grellert, Cristina Meinhardt:
Approximation Workflow for Energy-Efficient Comparators in Decision Tree Applications. VLSI-SoC 2022: 1-2 - 2021
- [j8]Mateus Grellert, Luís Alberto da Silva Cruz, Bruno Zatt, Sergio Bampi:
Coding mode decision algorithm for fast HEVC transrating using heuristics and machine learning. J. Real Time Image Process. 18(6): 1881-1896 (2021) - [c32]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, Po-Chun Chien, Yu-Shan Huang, Hoa-Ren Wang, Jie-Hong R. Jiang, Jiaqi Gu, Zheng Zhao, Zixuan Jiang, David Z. Pan, Brunno A. Abreu, Isac de Souza Campos, Augusto Andre Souza Berndt, Cristina Meinhardt, Jônata Tyska Carvalho, Mateus Grellert, Sergio Bampi, Aditya Lohana, Akash Kumar, Wei Zeng, Azadeh Davoodi, Rasit Onur Topaloglu, Yuan Zhou, Jordan Dotzel, Yichi Zhang, Hanyu Wang, Zhiru Zhang, Valerio Tenace, Pierre-Emmanuel Gaillardon, Alan Mishchenko, Satrajit Chatterjee:
Logic Synthesis Meets Machine Learning: Trading Exactness for Generalization. DATE 2021: 1026-1031 - [c31]Gabriel B. Sant'Anna, Luiz Henrique Cancellier, Ismael Seidel, Mateus Grellert, José Luís Güntzel:
Relying on a Rate Constraint to Reduce Motion Estimation Complexity. ICASSP 2021: 1560-1564 - [c30]João Dick, Brunno Abreu, Mateus Grellert, Sergio Bampi:
Quality and Complexity Assessment of Learning-Based Image Compression Solutions. ICIP 2021: 599-603 - [c29]Brunno A. Abreu, Augusto Andre Souza Berndt, Isac de Souza Campos, Cristina Meinhardt, Jônata Tyska Carvalho, Mateus Grellert, Sergio Bampi:
Fast Logic Optimization Using Decision Trees. ISCAS 2021: 1-5 - [c28]Marcio Monteiro, Pedro Aquino Silva, Ismael Seidel, Mateus Grellert, Leonardo Bandeira Soares, José Luís Güntzel, Cristina Meinhardt:
Design of Energy-Efficient Gaussian Filters by Combining Refactoring and Approximate Adders. ISCAS 2021: 1-5 - [c27]Ícaro Siqueira, Guilherme Corrêa, Mateus Grellert:
Complexity and Coding Efficiency Assessment of the Versatile Video Coding Standard. ISCAS 2021: 1-5 - [c26]Vanio Rodrigues Filho, Marcio Monteiro, Ismael Seidel, Mateus Grellert, José Luís Güntzel:
Hardware-Friendly Search Patterns for the Versatile Video Coding Fractional Motion Estimation. MMSP 2021: 1-6 - [c25]Ismael Seidel, Vanio Rodrigues Filho, Mateus Grellert, Luciano Volcan Agostini, José Luís Güntzel:
SAD or SATD? How the Distortion Metric Impacts a Fractional Motion Estimation VLSI Architecture. MMSP 2021: 1-6 - [i2]João Dick, Brunno Abreu, Mateus Grellert, Sergio Bampi:
Quality and Complexity Assessment of Learning-Based Image Compression Solutions. CoRR abs/2107.09136 (2021) - 2020
- [j7]Guilherme Paim, Gustavo M. Santana, Brunno A. Abreu, Leandro M. G. Rocha, Mateus Grellert, Eduardo A. C. da Costa, Sergio Bampi:
Exploring high-order adder compressors for power reduction in sum of absolute differences architectures for real-time UHD video encoding. J. Real Time Image Process. 17(5): 1735-1754 (2020) - [c24]Daiane Freitas, Rafael da Silva, Ícaro Siqueira, Cláudio Machado Diniz, Ricardo A. L. Reis, Mateus Grellert:
Hardware Architecture for the Regular Interpolation Filter of the AV1 Video Coding Standard. EUSIPCO 2020: 560-564 - [c23]Brunno A. Abreu, Mateus Grellert, Sergio Bampi:
VLSI Design of Tree-Based Inference for Low-Power Learning Applications. ISCAS 2020: 1-5 - [c22]Ícaro Siqueira, Guilherme Corrêa, Mateus Grellert:
Rate-Distortion and Complexity Comparison of HEVC and VVC Video Encoders. LASCAS 2020: 1-4 - [c21]Vanio Rodrigues Filho, Marcio Monteiro, Ismael Seidel, Mateus Grellert, José Luís Güntzel:
Standalone Rate-Distortion FME Architecture. SBCCI 2020: 1-6 - [i1]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 Jr., Marilton S. de Aguiar, Paulo F. Butzen, Po-Chun Chien, Yu-Shan Huang, Hoa-Ren Wang, Jie-Hong R. Jiang, Jiaqi Gu, Zheng Zhao, Zixuan Jiang, David Z. Pan, Brunno A. Abreu, Isac de Souza Campos, Augusto Andre Souza Berndt, Cristina Meinhardt, Jônata Tyska Carvalho, Mateus Grellert, Sergio Bampi, Aditya Lohana, Akash Kumar, Wei Zeng, Azadeh Davoodi, Rasit Onur Topaloglu, Yuan Zhou, Jordan Dotzel, Yichi Zhang, Hanyu Wang, Zhiru Zhang, Valerio Tenace, Pierre-Emmanuel Gaillardon, Alan Mishchenko, Satrajit Chatterjee:
Logic Synthesis Meets Machine Learning: Trading Exactness for Generalization. CoRR abs/2012.02530 (2020)
2010 – 2019
- 2019
- [j6]Eduarda Monteiro, Mateus Grellert, Bruno Zatt, Sergio Bampi:
Energy-aware cache hierarchy assessment targeting HEVC encoder execution. J. Real Time Image Process. 16(5): 1695-1715 (2019) - [j5]Thiago Luiz Alves Bubolz, Ruhan A. Conceição, Mateus Grellert, Luciano Agostini, Bruno Zatt, Guilherme Corrêa:
Quality and Energy-Aware HEVC Transrating Based on Machine Learning. IEEE Trans. Circuits Syst. I Regul. Pap. 66-I(6): 2124-2136 (2019) - [j4]Mateus Grellert, Bruno Zatt, Sergio Bampi, Luís Alberto da Silva Cruz:
Fast Coding Unit Partition Decision for HEVC Using Support Vector Machines. IEEE Trans. Circuits Syst. Video Technol. 29(6): 1741-1753 (2019) - [c20]Renan Soares de Andrades, Mateus Grellert, Mateus Beck Fonseca:
Hyperparameter Tuning and its Effects on Cardiac Arrhythmia Prediction. BRACIS 2019: 562-567 - [c19]Thiago Bubolz, Mateus Grellert, Bruno Zatt, Guilherme Corrêa:
Coding Tree Early Termination for Fast HEVC Transrating Based on Random Forests. ICASSP 2019: 1802-1806 - [c18]Brunno Abreu, Mateus Grellert, Guilherme Paim, Thomas V. Fontanari, Leandro M. G. Rocha, Eduardo A. C. da Costa, Sergio Bampi:
Exploring Motion Vector Cost with Partial Distortion Elimination in Sum of Absolute Differences for HEVC Integer Motion Estimation. NEWCAS 2019: 1-4 - [c17]Rafael da Silva, Ícaro Siqueira, Mateus Grellert:
Approximate interpolation filters for the fractional motion estimation in HEVC encoders and their VLSI design. SBCCI 2019: 17 - [c16]Thiago Bubolz, Bruno Zatt, Guilherme Corrêa, Mateus Grellert:
Evaluation of machine learning algorithms for fast video transcoding in streaming services. WebMedia 2019: 181-184 - 2018
- [c15]Mateus Grellert, Sergio Bampi, Guilherme Corrêa, Bruno Zatt, Luís Alberto da Silva Cruz:
Learning-Based Complexity Reduction and Scaling for HEVC Encoders. ICASSP 2018: 1208-1212 - [c14]Thiago Bubolz, Ruhan A. Conceição, Mateus Grellert, Bruno Zatt, Luciano Volcan Agostini, Guilherme Corrêa:
Fast and energy-efficient HEVC transrating based on frame partitioning inheritance. LASCAS 2018: 1-4 - [c13]Brunno Abreu, Gustavo M. Santana, Mateus Grellert, Guilherme Paim, Leandro M. G. Rocha, Eduardo A. C. da Costa, Sergio Bampi:
Exploiting Partial Distortion Elimination in the Sum of Absolute Differences for Energy-Efficient HEVC Integer Motion Estimation. SBCCI 2018: 1-6 - [c12]Mateus Grellert, Tiago J. L. Oliveira, Carlos Rafael Duarte, Luís Alberto da Silva Cruz:
Fast HEVC Transrating using Random Forests. VCIP 2018: 1-4 - 2017
- [j3]Mateus Grellert, Bruno Zatt, Muhammad Shafique, Sergio Bampi, Jörg Henkel:
Complexity control of HEVC encoders targeting real-time constraints. J. Real Time Image Process. 13(1): 5-24 (2017) - [j2]Bianca Silveira, Guilherme Paim, Brunno Abreu, Mateus Grellert, Cláudio Machado Diniz, Eduardo A. C. da Costa, Sergio Bampi:
Power-Efficient Sum of Absolute Differences Hardware Architecture Using Adder Compressors for Integer Motion Estimation Design. IEEE Trans. Circuits Syst. I Regul. Pap. 64-I(12): 3126-3137 (2017) - [c11]Bianca Silveira, Brunno Abreu, Guilherme Paim, Mateus Grellert, Rafael S. Ferreira, Cláudio Machado Diniz, Eduardo Costa, Sergio Bampi:
Using adder and subtractor compressors to sum of absolute transformed differences architecture for low-power video encoding. ICECS 2017: 490-493 - [c10]Brunno Abreu, Guilherme Paim, Mateus Grellert, Bianca Silveira, Cláudio Machado Diniz, Eduardo Costa, Sergio Bampi:
Exploiting absolute arithmetic for power-efficient sum of absolute differences. ICECS 2017: 522-525 - 2016
- [c9]Eduarda Monteiro, Mateus Grellert, Sergio Bampi, Bruno Zatt:
Energy-aware cache assessment of HEVC decoding. ISCAS 2016: 574-577 - [c8]Mateus Grellert, Sergio Bampi, Bruno Zatt:
Complexity-scalable HEVC encoding. PCS 2016: 1-5 - 2015
- [c7]Eduarda Monteiro, Mateus Grellert, Sergio Bampi, Bruno Zatt:
Rate-distortion and energy performance of HEVC and H.264/AVC encoders: A comparative analysis. ISCAS 2015: 1278-1281 - 2014
- [c6]Eduarda Monteiro, Mateus Grellert, Bruno Zatt, Sergio Bampi:
Rate-distortion and energy performance of HEVC video encoders. PATMOS 2014: 1-8 - 2013
- [j1]Marcelo Schiavon Porto, Cassio Cristani, Pargles Dall'Oglio, Mateus Grellert, Júlio C. B. de Mattos, Sergio Bampi, Luciano Volcan Agostini:
Iterative random search: a new local minima resistant algorithm for motion estimation in high-definition videos. Multim. Tools Appl. 63(1): 107-127 (2013) - [c5]Muhammad Usman Karim Khan, Muhammad Shafique, Mateus Grellert, Jörg Henkel:
Hardware-software collaborative complexity reduction scheme for the emerging HEVC intra encoder. DATE 2013: 125-128 - [c4]Mateus Grellert, Muhammad Shafique, Muhammad Usman Karim Khan, Luciano Volcan Agostini, Júlio C. B. de Mattos, Jörg Henkel:
An adaptive workload management scheme for HEVC encoding. ICIP 2013: 1850-1854 - 2012
- [c3]Felipe Sampaio, Sergio Bampi, Mateus Grellert, Luciano Volcan Agostini, Júlio C. B. de Mattos:
Motion Vectors Merging: Low Complexity Prediction Unit Decision Heuristic for the Inter-prediction of HEVC Encoders. ICME 2012: 657-662 - 2011
- [c2]Mateus Grellert, Felipe Sampaio, Júlio C. B. de Mattos, Luciano Volcan Agostini:
A multilevel data reuse scheme for Motion Estimation and its VLSI design. ISCAS 2011: 583-586 - 2010
- [c1]Mateus Grellert, Felipe Sampaio, Bruno Hecktheuer, Júlio C. B. de Mattos, Luciano Volcan Agostini:
Memory-aware multiple reference frame motion estimation for the H.264/AVC standard. ICECS 2010: 575-578
Coauthor Index
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