| A reconfigurable arbitrary waveform generator using PWM modulation for ultrasound research AA Assef, JM Maia, FK Schneider, VLSN Button, ET Costa Biomedical engineering online 12, 1-13, 2013 | 20 | 2013 |
| Transformerless UPS system based on the half-bridge hybrid switched-capacitor operating as AC–DC and DC–DC converter LG Fernandes, AA Badin, DF Cortez, R Gules, EFR Romaneli, A Assef IEEE Transactions on Industrial Electronics 68 (3), 2173-2183, 2020 | 19 | 2020 |
| Eigenspace generalized sidelobe canceller combined with SNR dependent coherence factor for plane wave imaging AJ Zimbico, DW Granado, FK Schneider, JM Maia, AA Assef, ... Biomedical engineering online 17 (1), 109, 2018 | 18 | 2018 |
| Modeling and FPGA-based implementation of an efficient and simple envelope detector using a Hilbert Transform FIR filter for ultrasound imaging applications AA Assef, BM Ferreira, JM Maia, ET Costa Research on Biomedical Engineering 34, 87-92, 2018 | 18 | 2018 |
| FPGA implementation and evaluation of an approximate Hilbert transform-based envelope detector for ultrasound imaging using the DSP builder development tool AA Assef, J de Oliveira, JM Maia, ET Costa 2019 41st Annual International Conference of the IEEE Engineering in …, 2019 | 16 | 2019 |
| Initial experiments of a 128-channel FPGA and PC-based ultrasound imaging system for teaching and research activities AA Assef, JM Maia, ET Costa 2016 38th Annual International Conference of the IEEE Engineering in …, 2016 | 16 | 2016 |
| A flexible multichannel FPGA and PC-Based ultrasound system for medical imaging research: initial phantom experiments AA Assef, JM Maia, ET Costa Research on Biomedical Engineering 31 (3), 277-281, 2015 | 12 | 2015 |
| Development of a new single phase high power factor rectifier with ZVS commutation and high frequency isolation DB de Alvarenga, MB Meier, R Gules, A Badin, EFR Romaneli, AA Assef 2013 Brazilian Power Electronics Conference, 7-14, 2013 | 12 | 2013 |
| Design of a 128-channel FPGA-based ultrasound imaging beamformer for research activities AA Assef, JM Maia, FK Schneider, ET Costa, VLSN Button 2012 IEEE International Ultrasonics Symposium, 635-638, 2012 | 11 | 2012 |
| Sistema para geração, aquisição e processamento de sinais de ultra-som AA Assef, JM Maia, PM Gewehr, HR Gamba, ET Costa, VLSN Button Sba: Controle & Automação Sociedade Brasileira de Automatica 20, 145-155, 2009 | 11 | 2009 |
| Beam domain adaptive beamforming using generalized side lobe canceller with coherence factor for medical ultrasound imaging AJ Zimbico, DW Granado, FK Schneider, JM Maia, AA Assef, D Pipa, ... 2017 IEEE International Ultrasonics Symposium (IUS), 1-4, 2017 | 8 | 2017 |
| Output power feedforward technique applied to a high power factor rectifier with high frequency transformer JCS Ganacim, MB Meier, AA Badin, R Gules, EFR Romaneli, AA Assef 2013 Brazilian Power Electronics Conference, 406-413, 2013 | 6 | 2013 |
| A programmable FPGA-based 8-channel arbitrary waveform generator for medical ultrasound research activities AA Assef, JM Maia, FK Schneider, ET Costa, VLSN Button 2012 Annual International Conference of the IEEE Engineering in Medicine and …, 2012 | 6 | 2012 |
| Defect detection in aluminum bars using impedance and ultrasonic attenuation R Da Costa, JM Maia, AA Assef, SF Pichorim, PM Gewehr, ET Costa IEEE Sensors Journal 20 (13), 7400-7413, 2020 | 5 | 2020 |
| Sparse arrays method with minimum variance for high quality image in ultrasound ultrafast imaging DF Gomes, AJ Zimbico, JM Maia, LC Neves, AA Assef, FK Schneider, ... 2019 IEEE SENSORS, 1-4, 2019 | 4* | 2019 |
| Modeling of a simple and efficient cascaded FPGA-based digital band-pass FIR filter for raw ultrasound data AA Assef, J de Oliveira, L Scherbaty, JM Maia, A Zimbico, BM Ferreira, ... XXVI Brazilian Congress on Biomedical Engineering: CBEB 2018, Armação de …, 2019 | 4 | 2019 |
| Arquitetura de hardware multicanal reconfigurável com excitação multinível para desenvolvimento e testes de novos métodos de geração de imagens por ultrassom AA Assef | 3 | 2013 |
| Image reconstruction utilizing median filtering applied to elastography RP Carbente, JM Maia, AA Assef BioMedical Engineering OnLine 18, 1-31, 2019 | 2 | 2019 |
| A compact and reconfigurable 8-channel Ultrasound Evaluation System for experimental research AA Assef, JM Maia, ET Costa, VL da Silveira Nantes 2014 IEEE International Ultrasonics Symposium, 1607-1610, 2014 | 2 | 2014 |
| Electronic device to help the diagnosis of Parkinsonian and Essential Tremor E Cichaczewski, JM Maia, P Nohama, EM Novak, HAG Teive, AA Assef 2011 Pan American Health Care Exchanges, 373-373, 2011 | 2 | 2011 |
