A fast EMD-based technique for Power Quality signals decomposition, compression, and time-frequency analysis. - Leonardo Bandeira Soares; Sergio Bampi; César David Paredes Crovato (DSP, 2013)

61 pJ/sample near-threshold notch filter with pole-radius variation. - Leonardo Bandeira Soares; Kleber Stangherlin; Jorge de Mello; Sergio Bampi (LASCAS, 2013)

Energy-efficient Gaussian filter for image processing using approximate adder circuits. - Julio F. R. Oliveira; Leonardo Bandeira Soares; Eduardo A. C. da Costa; Sergio Bampi (ICECS, 2015)

Approximate adder synthesis for area- and energy-efficient FIR filters in CMOS VLSI. - Leonardo Bandeira Soares; Sergio Bampi; Eduardo Costa 001 (NEWCAS, 2015)

Near-threshold computing for very wide frequency scaling: Approximate adders to rescue performance. - Leonardo Bandeira Soares; Sergio Bampi; Andre Luis Rodeghiero Rosa; Eduardo A. C. da Costa (NEWCAS, 2015)

Designing CMOS for Near-Threshold Minimum-Energy Operation and Extremely Wide V-F Scaling. - Andre Luis Rodeghiero Rosa; Leonardo Bandeira Soares; Kleber Hugo Stangherlin; Sergio Bampi (SBCCI, 2015)

A power-efficient imprecise radix-4 multiplier applied to high resolution audio processing. - Guilherme Paim; Leonardo Bandeira Soares; Julio F. R. Oliveira; Eduardo Costa 001; Sergio Bampi (ICECS, 2016)

Exploiting approximate adder circuits for power-efficient Gaussian and Gradient filters for Canny edge detector algorithm. - Julio de Oliveira 001; Leonardo Bandeira Soares; Eduardo Costa 001; Sergio Bampi (LASCAS, 2016)

A novel pruned-based algorithm for energy-efficient SATD operation in the HEVC coding. - Leonardo Bandeira Soares; Cláudio Machado Diniz; Eduardo Antonio Cesar da Costa; Sergio Bampi (SBCCI, 2016)

Exploring the use of parallel prefix adder topologies into approximate adder circuits. - Morgana Macedo; Leonardo Bandeira Soares; Bianca Silveira; Cláudio Machado Diniz; Eduardo A. C. da Costa (ICECS, 2017)

Exploring the combination of number of bits and number of iterations for a power-efficient fixed-point CORDIC implementation. - Andre N. Sapper; Leonardo Bandeira Soares; Eduardo Costa 001; Sergio Bampi (ICECS, 2017)

Pruning and approximation of coefficients for power-efficient 2-D Discrete Tchebichef Transform. - Guilherme Paim; Leonardo Bandeira Soares; Rafael S. Ferreira; Eduardo Costa 001; Sergio Bampi (NEWCAS, 2017)

Exploring power-performance-quality tradeoff of approximate adders for energy efficient sobel filtering. - Leonardo Bandeira Soares; Morgana M. A. da Rosa; Cláudio Machado Diniz; Eduardo A. C. da Costa; Sergio Bampi (LASCAS, 2018)

A Configurable Pruning Gaussian Image Filter for Energy-Efficient Edge Detection. - Leonardo Bandeira Soares; Eduardo Antônio César da Costa; Sergio Bampi (ICECS, 2019)

Approximate Sum of Absolute Transformed Differences Hardware Accelerator. - Matheus F. Stigger; Victor H. S. Lima; Leonardo Bandeira Soares; Cláudio Machado Diniz; Sergio Bampi (ICECS, 2019)

Power-, Area-, and Compression-Efficient Eight-Point Approximate 2-D Discrete Tchebichef Transform Hardware Design Combining Truncation Pruning and Efficient Transposition Buffers. - Guilherme Paim; Leandro Mateus Giacomini Rocha; Gustavo Madeira Santana; Leonardo Bandeira Soares; Eduardo Antonio Cesar da Costa; Sergio Bampi (IEEE Trans. Circuits Syst. I Regul. Pap., 2019)

Design Methodology to Explore Hybrid Approximate Adders for Energy-Efficient Image and Video Processing Accelerators. - Leonardo Bandeira Soares; Morgana Macedo Azevedo da Rosa; Cláudio Machado Diniz; Eduardo Antonio Cesar da Costa; Sergio Bampi (IEEE Trans. Circuits Syst. I Regul. Pap., 2019)

Approximate SATD Hardware Accelerator Using the 8 × 8 Hadamard Transform. - Matheus F. Stigger; Victor H. S. Lima; Leonardo Bandeira Soares; Cláudio Machado Diniz; Sergio Bampi (LASCAS, 2020)

A Fine-grained Methodology for Accuracy-configurable and Energy-efficient Gaussian Filters Design. - Talita Alves Borges; Leonardo Bandeira Soares; Cristina Meinhardt (SBCCI, 2020)

An Energy-Efficient and Approximate Accelerator Design for Real-Time Canny Edge Detection. - Leonardo Bandeira Soares; Julio F. R. Oliveira; Eduardo Antonio Cesar da Costa; Sergio Bampi (Circuits Syst. Signal Process., 2020)

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)

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)

Accuracy-Configurable 2-D Gaussian Filter Architecture for Energy-Efficient Image Processing. - Talita Alves Borges; Vagner Santos Da Rosa; Cristina Meinhardt; Leonardo Bandeira Soares (IEEE Des. Test, 2022)

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