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检索条件"机构=Biomedical Engineering Program/Coppe"
183 条 记 录,以下是91-100 订阅
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A 3D microcomputer-based system for the teaching of human skull anatomy
A 3D microcomputer-based system for the teaching of human sk...
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Annual International Conference of the IEEE engineering in Medicine and Biology Society (EMBC)
作者: Agela Klemt Antonio F. C. Infantosi Biomedical Engineering Program COPPE Federal University of Rio de Janeiro Rio de Janeiro Rio de Janeiro Brazil
For the teaching of medicine and dentistry, a system for the development of 3D computer models of the human skull anatomy has been developed, together with a graphics interface for its presentation on screen. The task... 详细信息
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Basic considerations of ultrasonic air-bubble detectors for blood extracorporeal circulation
Basic considerations of ultrasonic air-bubble detectors for ...
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Annual International Conference of the IEEE engineering in Medicine and Biology Society (EMBC)
作者: Luiz Eduardo G. da Costa João C. Machado Biomedical Engineering Program-COPPE Federal University of Rio de Janeiro Rio de Janeiro Rio de Janeiro Brazil
This work presents an analysis about the limitation of ultrasonic air-bubble detectors based on the measurement of the wave attenuation caused by the presence of air-bubbles in the blood circuit. Considering as a lowe... 详细信息
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A Thermochromic Test Body and its Relationship with the Effective Radiation Area (ERA) of Therapeutic Ultrasound Devices
A Thermochromic Test Body and its Relationship with the Effe...
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Global Medical engineering Physics Exchanges/Pan American Health Care Exchanges Conference
作者: R. M. Costa T. P. Omena M. A. von Krüger W. C. A. Pereira National Institute of Cancer Rio de Janeiro Brazil Biomedical Engineering Program COPPE-UFRJ Rio de Janeiro Brazil
This paper presents a thermochromic test body to qualitative evaluate the Effective Radiation Area (ERA) of Therapeutic Ultrasound (TUS) devices. The thermal areas produced by three transducers are measured and compar... 详细信息
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Ultrasonic focused pulse-echo method for determination of propagation velocity and layer thickness of multilayered media
Ultrasonic focused pulse-echo method for determination of pr...
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Annual International Conference of the IEEE engineering in Medicine and Biology Society (EMBC)
作者: Wagner Coelho A. Pereira João Carlos Machado Biomedical Engineering Program COPPE Federal University of Rio de Janeiro Rio de Janeiro Rio de Janeiro Brazil
Ultrasonic medical images is well established as an important diagnostic tool nowadays. Quantitative ultrasonic images, nevertheless, have not reached a clinical use. The cause of this are the peculiar propagation of ... 详细信息
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Independent component analysis for reducing electrocardiographic interference in the multichannel electromyogram
Independent component analysis for reducing electrocardiogra...
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作者: Júnior, J.D.Costa De Seixas, J.M. Nadal, J. De Sá, A.M.F.L.Miranda Biomedical Engineering Program Federal University of Rio de Janeiro COPPE/UFRJ P.O. Box 68512 ZIP 21941-972 Rio de Janeiro Brazil Signal Processing Laboratory Federal University of Rio de Janeiro Rio de Janeiro Brazil
The aim of this work was to separate ECG artifacts from surface electromyogram (EMG) signals collected from erector spinae muscles with the blind source separation technique based on independent component analysis (IC... 详细信息
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Exploring Possibilities for Real-Time Muscle Dynamics State Estimation from EMG signals
Exploring Possibilities for Real-Time Muscle Dynamics State ...
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IEEE RAS & EMBS International Conference on biomedical Robotics and Biomechatronics
作者: Luciano L. Menegaldo The Alberto Luiz Coimbra Institute for Graduate Studies and Research in Engineering Biomedical Engineering Program (PEB/COPPE) Universidade Federal do Rio de Janeiro
Real-time estimation of muscle state (activation, force and length) can be used for visualization of muscle function in neuromuscular rehabilitation and control of wearable assistive and augmenting devices. This paper... 详细信息
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Time-frequency mapping of the magnitude squared-coherence for intra-QRS potentials detection
Time-frequency mapping of the magnitude squared-coherence fo...
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Annual International Conference of the IEEE engineering in Medicine and Biology Society (EMBC)
作者: P.R.B. Barbosa L.C. Bernardino J. Barbosa-Filho I. Cordovil J. Nadal Biomedical Engineering Program-COPPE Federal University of Rio de Janeiro Brazil Gama Filho University Rio de Janeiro Brazil
Intra-QRS potentials detected in the presence of heart disease represents unstable electrical conduction in damaged myocardium, probably due to dispersion in propagation time-constants. A one-dimensional linear model ... 详细信息
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Classification of breast tumours on ultrasound images using morphometric parameters
Classification of breast tumours on ultrasound images using ...
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IEEE International Symposium on Intelligent Signal Processing
作者: A.V. Alvarenga W.C.A. Pereira A.F.C. Infantosi C.M. de Azevedo Biomedical Engineering Program/COPPE Federal University of Rio de Janeiro Rio de Janeiro Brazil Rio de Janeiro Brazil
This work aims to assess the potentiality of morphometric parameters in separating breast tumour, on ultrasonic images, as malign or benign. Parameters were calculated over normalised radial length and convex polygons... 详细信息
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Computerized simulation of breast ultrasound images
Computerized simulation of breast ultrasound images
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Pan American Health Care Exchanges, PAHCE
作者: W. Gómez W. C. A. Pereira A. F. C. Infantosi A. Díaz-Pérez Information Technology Laboratory IPN CINVESTAV Ciudad Victoria Mexico Biomedical Engineering Program/COPPE UFRJ Rio de Janeiro Brazil
The present article proposes a methodology for simulating breast ultrasound (BUS) images for assessing segmentation algorithms. The main characteristics of the simulated BUS images are: (i) building an echogenicity ma... 详细信息
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Detection of atrial persistent rhythm based on P-wave recognition and RR interval variability
Detection of atrial persistent rhythm based on P-wave recogn...
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Computers in Cardiology (CinC)
作者: V.R. Zurro A.L. Stelle J. Nadal Biomedical Engineering Program-COPPE Federal University of Rio de Janeiro Brazil Federal Center of Technological Education of Paraná Curitiba Brazil
In order to improve a classification system for arrhythmia analysis, we developed an algorithm for automatic detection of ventricular response to atrial flutter and fibrillation episodes. As an intermediate step to di... 详细信息
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