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检索条件"机构=Biomedical Engineering Program/COPPE"
183 条 记 录,以下是11-20 订阅
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Baseline Drifting Correction for Automated MTWA Measurements  50
Baseline Drifting Correction for Automated MTWA Measurements
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50th Computing in Cardiology, CinC 2023
作者: Winkert, T. Benchimol-Barbosal, P.R. Nadal, J. Coppe Institute Universidade Federal Do Rio de Janeiro Biomedical Engineering Program Rio de Janeiro Brazil Universidade Do Estado Do Rio de Janeiro Hospital Universitário Pedro Ernesto Rio de Janeiro Brazil
To reduce the incidence of sudden cardiac death (SCD), risk stratification markers have a relevant role. Microvolt T-wave alternans (MTWA) is a marker of SCD risk, defined as T-wave amplitude variation in the ECG. Usu... 详细信息
来源: 评论
Application of ShearWave™ Elastography to evaluate heat-induced changes in the Young’s modulus of fresh bovine muscle: a preliminary study
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Research on biomedical engineering 2021年 第2期37卷 157-169页
作者: Costa-Júnior, José Francisco Silva de Oliveira, Viviane Bastos De Matheo, Lucas Lobianco de Albuquerque Pereira, Wagner Coelho Brazilian Air Force Academy PirassunungaSP Brazil Biomedical Engineering Program - COPPE Federal University of Rio de Janeiro Rio de JaneiroRJ Brazil
Purpose: The purpose of this study was to investigate the variation in the Young’s modulus (E) of bovine muscle samples as a function of temperature change generated by therapeutic ultrasound using ShearWave™ Elastog... 详细信息
来源: 评论
U-Net and SegNet performances on lesion segmentation of breast ultrasonography images
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Research on biomedical engineering 2021年 第2期37卷 171-179页
作者: Vianna, Pedro Farias, Ricardo de Albuquerque Pereira, Wagner Coelho Biomedical Engineering Program COPPE/Federal University of Rio de Janeiro Av. Horácio Macedo 2030 Room H327 Rio de JaneiroRJ Brazil Systems and Computing Engineering Program COPPE/Federal University of Rio de Janeiro Rio de JaneiroRJ Brazil
Purpose: Screening is the predominant strategy for the early detection of breast cancer. However, image analysis depends on the experience of the radiologist, inserting subjective factors in the evaluation of findings... 详细信息
来源: 评论
In Vitro Degradation of Polydioxanone (PDO) Lifting Threads in Microfocused Ultrasound
In Vitro Degradation of Polydioxanone (PDO) Lifting Threads ...
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Pan American Health Care Exchanges, PAHCE
作者: M. H. R. Silva A. Raybolt W. C. A. Pereira Biomedical Engineering Program - COPPE Federal University of Rio de Janeiro RJ Brazil School of Dentistry Federal University of Rio de Janeiro RJ Brazil
Objective: Analyze the static degradation time of polydioxanone (PDO) threads with or without the association of microfocused ultrasound, which are techniques for aesthetic purposes. Materials and Methods: In vitro as... 详细信息
来源: 评论
Ultrasonography Validation of Condylar and Pre-Condylar Distances and its Correlation with the Arthralgia Intensity Attributed to Local Arthritis
Ultrasonography Validation of Condylar and Pre-Condylar Dist...
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Pan American Health Care Exchanges, PAHCE
作者: C. El-Sayed G. S. Goffredo Filho L. Sad R. S. Tesch W. C. A. Pereira Biomedical Engineering Program COPPE/Federal University of Rio de Janeiro Rio de Janeiro RJ Brazil TMD and Orofacial Pain Department Petrópolis Medical School Petrópolis RJ Brazil
Temporomandibular disorders (TMD) represent a prevalent form of musculoskeletal pain observed in individuals with chronic pain. Timely and accurate diagnosis is essential for effective therapeutic interventions, with ... 详细信息
来源: 评论
Reducing electrocardiographic interference in the multichannel electromyogram to help muscle fatigue assessment in low-intensity contractions
Franklin Open
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Franklin Open 2024年 9卷
作者: Costa Junior, José Dilermando de Seixas, José Manoel Ferreira Leite Miranda de Sá, Antonio Mauricio Federal University of Rio de Janeiro / Biomedical Engineering Program Rio de Janeiro Brazil Federal University of Rio de Janeiro / Signal Processing Laboratory COPPE/Poli Rio de Janeiro Brazil
Surface electromyography (EMG) can be used in the rehabilitation of musculoskeletal disorders, for evaluating the coordination of muscles that stabilize a joint, or as an objective tool in assessing muscle fatigue. Th... 详细信息
来源: 评论
Performance of the SegNet in the Segmentation of Breast Ultrasound Lesions
Performance of the SegNet in the Segmentation of Breast Ultr...
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Pan American Health Care Exchanges, PAHCE
作者: P. O. Vianna R. Farias W. C. A. Pereira Biomedical Engineering Program COPPE/Federal University of Rio de Janeiro RJ Brazil Systems and Computing Engineering Program COPPE/Federal University of Rio de Janeiro RJ Brazil
This work presents a performance analysis of a convolutional neural network (CNN), named SegNet, applied for automatic segmentation of breast ultrasound images. Defining the viability of CNN's could help with feat... 详细信息
来源: 评论
Baseline Drifting Correction for Automated MTWA Measurements
Baseline Drifting Correction for Automated MTWA Measurements
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Computers in Cardiology (CinC)
作者: T Winkert P R Benchimol-Barbosal J Nadal Biomedical Engineering Program COPPE Institute Universidade Federal do Rio de Janeiro Rio de Janeiro Brazil Hospital Universitário Pedro Ernesto Universidade do Estado do Rio de Janeiro Rio de Janeiro Brazil
To reduce the incidence of sudden cardiac death (SCD), risk stratification markers have a relevant role. Microvolt T-wave alternans (MTWA) is a marker of SCD risk, defined as T-wave amplitude variation in the ECG. Usu...
来源: 评论
Evaluation of materials for confection of phantoms to mimetize acoustic properties of tendons
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Research on biomedical engineering 2021年 第1期37卷 47-52页
作者: Gomes, Gabriela Beatriz De Matheo, Lucas Lobianco da Silva, Flavia Fernandes Ferreira Maggi, Luis Eduardo von Krüger, Marco Antônio de Albuquerque Pereira, Wagner Coelho Programa de Engenharia Biomédica COPPE Universidade Federal do Rio de Janeiro Rio de JaneiroRJ Brazil Biomedical Engineering Program COPPE Federal University of Rio de Janeiro Rio de JaneiroRJ Brazil Programa de Pós-Graduação em Ciências da Saúde na Amazônia Ocidental Universidade Federal do Acre Rio BrancoAC Brazil Graduate Program in Health Sciences in the Western Amazon Federal University of Acre Rio BrancoAC Brazil
Background: The tendon is a structure found in different parts of the human body. Damages within tendons cause movement deficit and discomfort, which requires medical and therapeutic treatment. One useful tool is the ... 详细信息
来源: 评论
Artificial Visual Phantoms for Ultrasound Thermal Therapy
Artificial Visual Phantoms for Ultrasound Thermal Therapy
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Ultrasonics Symposium (LAUS), IEEE UFFC Latin America
作者: Natalia Garay Badenian Edgar Taka Nicolas Benech Guillermo Cortela Franco Simini Núcleo de Ingeniería Biomédica Universidad de la República l Montevideo Uruguay Biomedical Engineering Program-COPPE Universidad de Rio de Janeiro Rio de Janeiro Brazil Laboratorio de Acústuca Ultrasonora Facultad de Ciencias Universidad de la República Montevideo Uruguay
This work is part of a project to develop a device for ultrasound energy delivery to inhibit or ablate epileptic foci in the brain. Phantoms simulating brain tissue were created using agar, egg whites, and water. They... 详细信息
来源: 评论