Electrical impedance tomography reconstruction algorithm based on general inversion theory and finite element method.

abstract：:A new technique is derived for estimating the conduction velocity of muscle fibre action potentials from surface EMG recordings in humans. The method is based on system identification and extends previous such methods by explicitly accounting for additive noise at the output as well as at the input. Experimental and s...

journal_title：Medical & biological engineering & computing

authors： Rababy N,Kearney RE,Hunter IW

更新日期：1989-03-01 00:00:00

abstract：:The three-dimensional changes in the cytoskeleton and in cell proliferation of bovine pulmonary artery endothelial cells when exposed to sustained hydrostatic pressure were investigated in vitro using laser scanning confocal microscopy. Subconfluent endothelial cells on rigid substrates were exposed to 1.5, 5 and 10 c...

journal_title：Medical & biological engineering & computing

authors： Salwen SA,Szarowski DH,Turner JN,Bizios R

更新日期：1998-07-01 00:00:00

abstract：:Determination of the adequacy of dialysis is a routine but crucial procedure in patient evaluation. The total dialysis dose, expressed as Kt/V, has been widely recognised to be a major determinant of morbidity and mortality in haemodialysed patients. Many different factors influence the correct determination of Kt/V, ...

journal_title：Medical & biological engineering & computing

authors： Fernández EA,Valtuille R,Willshaw P,Perazzo CA

更新日期：2003-07-01 00:00:00

abstract：:The fast hybrid operator splitting (HOS) and stable uniformization (UNI) methods have been proposed to save computation cost and enhance stability for Markov chain model in cardiac cell simulations. Moreover, Chen-Chen-Luo's quadratic adaptive algorithm (CCL) combined with HOS or UNI was used to improve the tradeoff b...

journal_title：Medical & biological engineering & computing

authors： Chen XJ,Luo CH,Chen MH

更新日期：2020-09-01 00:00:00

abstract：:The Delft Shoulder and Elbow Model (DSEM), a musculoskeletal model of the shoulder and elbow has been extensively developed since its introduction in 1994. Extensions cover both model structures and anatomical data focusing on the addition of an elbow part and muscle architecture parameters. The model was also extende...

journal_title：Medical & biological engineering & computing

authors： Nikooyan AA,Veeger HE,Chadwick EK,Praagman M,Helm FC

更新日期：2011-12-01 00:00:00

abstract：:A new method of quantifying dermal perfusion on a regional basis using a dynamic thermographic technique is investigated. The technique is based on the relationship between dermal perfusion and the rate of skin surface reheating following the application of a transient cold challenge predicted by a theoretical model. ...

journal_title：Medical & biological engineering & computing

authors： Wilson SB,Spence VA

更新日期：1989-09-01 00:00:00

abstract：:The propagation of waves in the arteries is generally described using Fourier analysis in terms of periodic wavetrains formed by the superposition of a mean value and sinusoidal waves at the fundamental frequency (defined by the heart rate) and its harmonics. There is, however, an alternative way to describe waves in ...

journal_title：Medical & biological engineering & computing

authors： Wang JJ,Shrive NG,Parker KH,Tyberg JV

更新日期：2009-02-01 00:00:00

abstract：:When the microvascular blood perfusion in human skin is measured by photoplethysmography (PPG), infra-red light (800-960 nm) is normally used as the light source. The PPG signal, which consists of a pulsatile (AC) and a slowly fluctuating (DC) component, was studied at different optical wavelengths utilising optical f...

journal_title：Medical & biological engineering & computing

authors： Lindberg LG,Oberg PA

更新日期：1991-01-01 00:00:00

abstract：:The scapholunate ligament stabilizes the scaphoid and lunate of the proximal row in the wrist which allows for proper force transmission with the radius and ulna. Damage to this structure degenerates into arthritis and disability. Controversy exists over the best technique to restore function and reduce pain. A three-...

journal_title：Medical & biological engineering & computing

authors： Wayne JS,Tremols EJ

更新日期：2019-07-01 00:00:00

abstract：:Mean arterial pressure (MAP) is determined in most automated oscillometric blood pressure devices, but its derivation has been little studied. In this research, different techniques were studied and compared with the auscultatory technique. Auscultatory systolic and diastolic blood pressure (SBP and DBP) were obtained...

journal_title：Medical & biological engineering & computing

authors： Zheng D,Amoore JN,Mieke S,Murray A

更新日期：2011-01-01 00:00:00

abstract：:The purpose of the study was to explore the application of artificial neural network model in the auxiliary diagnosis of lung cancer and compare the effects of back-propagation (BP) neural network with Fisher discrimination model for lung cancer screening by the combined detections of four biomarkers of p16, RASSF1A a...

journal_title：Medical & biological engineering & computing

authors： Duan X,Yang Y,Tan S,Wang S,Feng X,Cui L,Feng F,Yu S,Wang W,Wu Y

更新日期：2017-08-01 00:00:00

abstract：:Spectral analysis of heart rate variability (HRV) is an accepted method for assessment of cardiac autonomic function and its relationship to numerous disorders and diseases. Various non-parametric methods for HRV estimation have been developed. The spectrum of counts, the instantaneous heart rate spectrum and the inte...

journal_title：Medical & biological engineering & computing

authors： Mitov IP,Daskalov IK

更新日期：1998-09-01 00:00:00

abstract：:Hepatic echinococcosis (HE) is a life-threatening liver disease caused by parasites that requires a precise diagnosis and proper treatments. To assess HE lesions accurately, we propose a novel automatic HE lesion segmentation and classification network that contains lesion region positioning (LRP) and lesion region se...

journal_title：Medical & biological engineering & computing

authors： Xin S,Shi H,Jide A,Zhu M,Ma C,Liao H

更新日期：2020-03-01 00:00:00

abstract：: ...

journal_title：Medical & biological engineering & computing

authors： Khaleelur Rahiman PF,Jayanthi VS,Jayanthi AN

更新日期：2019-03-01 00:00:00

abstract：:Smoothing and differentiation of noisy signals are common problems whenever it is difficult or impossible to obtain derivatives by direct measurement. In biomechanics body displacements are frequently assessed and these measurements are affected by noise. To avoid high-frequency noise magnification, data filtering bef...

journal_title：Medical & biological engineering & computing

authors： D'Amico M,Ferrigno G

更新日期：1990-09-01 00:00:00

abstract：:In this study, we introduce a novel simulation technique to incorporate delineation errors into radiotherapy treatment margins and combine them with organ motion and set-up errors to investigate the cumulative dosimetric effects in different tumour sites. The effects of applying patient realignment correction protocol...

journal_title：Medical & biological engineering & computing

authors： Mzenda B,Hosseini-Ashrafi M,Palmer A,Liu H,Brown DJ

更新日期：2010-07-01 00:00:00

abstract：:Divided attention is defined as focusing on different tasks at once, and this is described as one of the biggest problems of today's society. Default examinations for understanding attention are questionnaires or physiological signals, like evoked potentials and electroencephalography. Physiological records were obtai...

journal_title：Medical & biological engineering & computing

authors： Batbat T,Güven A,Dolu N

更新日期：2019-09-01 00:00:00

abstract：:Self-generated mobility is a major contributor to the physical, emotional, cognitive, and social development of infants and toddlers. When young children have disorders that hinder self locomotion, their development is at risk for delay. Independent mobility via traditional power mobility devices may prevent this dela...

journal_title：Medical & biological engineering & computing

authors： Schoepflin ZR,Chen X,Ragonesi CB,Galloway JC,Agrawal SK

更新日期：2011-10-01 00:00:00

abstract：:The development of an active implantable device for measuring electrocardiogram (ECG) is presented. The study is a part of a project which aims at developing implantable ECG instrumentation with wireless data and power transfer ( http://www.ele.tut.fi/tule ). The developed implant presented here has all the measuremen...

journal_title：Medical & biological engineering & computing

authors： Riistama J,Väisänen J,Heinisuo S,Harjunpää H,Arra S,Kokko K,Mäntylä M,Kaihilahti J,Heino P,Kellomäki M,Vainio O,Vanhala J,Lekkala J,Hyttinen J

更新日期：2007-12-01 00:00:00

abstract：:Soleus muscle flap as coverage tissue is a possible surgical solution adopted to cover the wounds due to open fractures. Despite this procedure presents many clinical advantages, relatively poor information is available about the loss of functionality of triceps surae of the treated leg. In this study, a group of pati...

journal_title：Medical & biological engineering & computing

authors： Ferracuti F,Fioretti S,Frontoni E,Iarlori S,Mengarelli A,Riccio M,Romeo L,Verdini F

更新日期：2021-01-01 00:00:00

abstract：:We estimated the dynamic cell metabolic activity and the distribution of the pH value and oxygen concentration in tissue samples cultured in vitro by using real-time sensor records and a numerical simulation of the underlying reaction-diffusion processes. As an experimental tissue model, we used chicken spleen slices....

journal_title：Medical & biological engineering & computing

authors： Pfister C,Forstmeier C,Biedermann J,Schermuly J,Demmel F,Wolf P,Kaspers B,Brischwein M

更新日期：2016-05-01 00:00:00

abstract：:A method for the identification of the breast boundary in mammograms is presented. The method can be used in the preprocessing stage of a system for computer-aided diagnosis (CAD) of breast cancer and also in the reduction of image file size in picture archiving and communication system applications. The method starte...

journal_title：Medical & biological engineering & computing

authors： Ferrari RJ,Rangayyan RM,Desautels JE,Borges RA,Frère AF

更新日期：2004-03-01 00:00:00

abstract：:Significant efforts were invested during the last decade to accelerate PET list-mode reconstructions, notably with GPU devices. However, the computation time per event is still relatively long, and the list-mode efficiency on the GPU is well below the histogram-mode efficiency. Since list-mode data are not arranged in...

journal_title：Medical & biological engineering & computing

authors： Nassiri MA,Carrier JF,Després P

更新日期：2015-09-01 00:00:00

abstract：:Uniaxial stress-strain data were obtained from in vitro experiments on 20 porcine livers for compressions, elongations and cycles of compression and then elongation. There were about 70 cylindrical samples, with diameter 7mm and varying height (4-11 mm). The combined compression and elongation test provide a unified f...

journal_title：Medical & biological engineering & computing

authors： Chui C,Kobayashi E,Chen X,Hisada T,Sakuma I

更新日期：2004-11-01 00:00:00

abstract：:The authors have applied estimation theory to the problem of determining primary current distributions from measured neuromagnetic fields. In this procedure, essentially nothing is assumed about the source currents, except that they are spatially restricted to a certain region. Simulation experiments show that the res...

journal_title：Medical & biological engineering & computing

authors： Hämäläinen MS,Ilmoniemi RJ

更新日期：1994-01-01 00:00:00

abstract：:It is clinically well-established that minimally invasive subcutaneous continuous glucose monitoring (CGM) sensors can significantly improve diabetes treatment. However, CGM readings are still not as reliable as those provided by standard fingerprick blood glucose (BG) meters. In addition to unavoidable random measure...

journal_title：Medical & biological engineering & computing

authors： Facchinetti A,Del Favero S,Sparacino G,Cobelli C

更新日期：2015-12-01 00:00:00

abstract：:Multi-scale modeling of the musculoskeletal system plays an essential role in the deep understanding of complex mechanisms underlying the biological phenomena and processes such as bone metabolic processes. Current multi-scale models suffer from the isolation of sub-models at each anatomical scale. The objective of th...

journal_title：Medical & biological engineering & computing

authors： Dao TT

更新日期：2017-06-01 00:00:00

abstract：:Primary stability of refixated fractures in case of shoulder hemiarthroplasty is a prerequisite to restore physiological glenohumeral joint function. Clinical observations often show a secondary dislocation and subsequent resorption of the bony anchor points like the greater and lesser tuberosity at the rotator cuff t...

journal_title：Medical & biological engineering & computing

authors： Baumgartner D,Lorenzetti SR,Mathys R,Gasser B,Stüssi E

更新日期：2009-05-01 00:00:00

abstract：:It is of great importance to effectively process and interpret surface electromyogram (sEMG) signals to actuate a robotic and prosthetic exoskeleton hand needed by hand amputees. In this paper, we have proposed a cepstrum analysis-based method for classification of basic hand movement sEMG signals. Cepstral analysis t...

journal_title：Medical & biological engineering & computing

authors： Yavuz E,Eyupoglu C

更新日期：2019-10-01 00:00:00

abstract：:In this study, we propose an integrated tooth segmentation and gingival tissue deformation simulation framework used to design and evaluate the orthodontic treatment plan especially with invisible aligners. Firstly, the bio-characteristics information of the digital impression is analyzed quantitatively and demonstrat...

journal_title：Medical & biological engineering & computing

authors： Yuan T,Wang Y,Hou Z,Wang J

更新日期：2020-10-01 00:00:00