Application of genetic algorithms to parameter estimation of bioprocesses.

abstract：:Successful identification of gastric slow waves in canine gastric electrical activity (GEA) data was achieved using a statistical data-processing procedure based on the multiple linear regression (MLR) curve fitting technique. Both distal and proximal waveforms were identified, first by construction of separate orthon...

journal_title：Medical & biological engineering & computing

authors： Grant MS,Williams RD

更新日期：2002-07-01 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：:It is proposed that myo-electric signals can be used to augment conventional speech-recognition systems to improve their performance under acoustically noisy conditions (e.g. in an aircraft cockpit). A preliminary study is performed to ascertain the presence of speech information within myo-electric signals from facia...

journal_title：Medical & biological engineering & computing

authors： Chan AD,Englehart K,Hudgins B,Lovely DF

更新日期：2001-07-01 00:00:00

abstract：:A new ambulatory technique for qualitative and quantitative movement analysis of the humerus is presented. 3D gyroscopes attached on the humerus were used to recognize the movement of the arm and to classify it as flexion, abduction and internal/external rotations. The method was first validated in a laboratory settin...

journal_title：Medical & biological engineering & computing

authors： Coley B,Jolles BM,Farron A,Aminian K

更新日期：2009-05-01 00:00:00

abstract：:To study the effects of the geometrical characteristics of a framing coil on aneurysm thromboembolization efficacy, the hemodynamics in lateral aneurysms filled with coils having a different shape, orientation, and thickness were analyzed using computational fluid dynamics. The aneurysms packed with vortex and cage-sh...

journal_title：Medical & biological engineering & computing

authors： Jeong W,Han MH,Rhee K

更新日期：2013-09-01 00:00:00

abstract：:The management of postprandial glucose excursions in type 1 diabetes has a major impact on overall glycaemic control. In this work, we propose and evaluate various mechanistic models to characterize the disposal of meal-attributable glucose. Sixteen young volunteers with type 1 diabetes were subject to a variable-targ...

journal_title：Medical & biological engineering & computing

authors： García-García F,Hovorka R,Wilinska ME,Elleri D,Hernando ME

更新日期：2017-02-01 00:00:00

abstract：:A personal computer system for electrocardiogram (ECG) ST-segment recognition is developed based on neural networks. The system consists of a preprocessor, neural networks and a recogniser. The adaptive resonance theory (ART) is employed to implement the neural networks in the system, which self-organise in response t...

journal_title：Medical & biological engineering & computing

authors： Suzuki Y,Ono K

更新日期：1992-01-01 00:00:00

abstract：:A multichannel biopotential amplifier for simultaneous use with biomagnetic measurements in a magnetically shielded room is designed and evaluated. Particular care is taken to make the amplifier electromagnetically compatible with the biomagnetic instruments over the whole frequency spectrum, from DC to RF. The electr...

journal_title：Medical & biological engineering & computing

authors： Virtanen J,Parkkonen L,Ilmoniemi RJ,Pekkonen E,Näätänen R

更新日期：1997-07-01 00:00:00

abstract：:The effect of flow direction on the morphology of cultured bovine aortic endothelial cells is studied. Fully confluent endothelial cells cultured on glass were subjected to a fluid-imposed shear stress of 2 Pa for 20 min and 24 h using a parallel plate flow chamber. Experiments on shear flow exposure were performed fo...

journal_title：Medical & biological engineering & computing

authors： Kataoka N,Ujita S,Sato M

更新日期：1998-01-01 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：:Medical confidentiality is an essential duty in the medical profession. In this paper, we introduce a novel robust blind watermarking method for securing the medical report in a DICOM (Digital Imaging and Communications in Medicine) imaging. The insertion of each bit is done in the subtraction of adjacent DC coefficie...

journal_title：Medical & biological engineering & computing

authors： Boussif M,Aloui N,Cherif A

更新日期：2020-11-01 00:00:00

abstract：:A new algorithm to resolve superimposed motor unit action potentials (MUAPs) is described, which uses a reduced search space and is based on the peel off approach. Knowledge specific to the problem domain, such as temporal relationships between and within motor unit action potential trains and MUAP energy information,...

journal_title：Medical & biological engineering & computing

authors： Etawil H,Stashuk D

更新日期：1996-01-01 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：:Monitoring upper-limb activity in a free-living environment is important for the evaluation of rehabilitation. This study is a validation of the Strathclyde Upper-Limb Activity Monitor (SULAM) which records the vertical movement and position of each wrist, and assesses bimanual movement. Agreement between the SULAM an...

journal_title：Medical & biological engineering & computing

authors： Vega-Gonzalez A,Bain BJ,Dall PM,Granat MH

更新日期：2007-10-01 00:00:00

abstract：:Stroke survivors are more prone to developing cognitive impairment and dementia. Dementia detection is a challenge for supporting personalized healthcare. This study analyzes the electroencephalogram (EEG) background activity of 5 vascular dementia (VaD) patients, 15 stroke-related patients with mild cognitive impairm...

journal_title：Medical & biological engineering & computing

authors： Al-Qazzaz NK,Ali SHBM,Ahmad SA,Islam MS,Escudero J

更新日期：2018-01-01 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：:A new system capable of generating static and dynamic random-element stereograms is designed and implemented. The stereogram is composed of a rectangle that can be varied in size, element density, orientation, and horizontal and vertical disparities, and can be swept at several velocities. The system is based on an in...

journal_title：Medical & biological engineering & computing

authors： Gonzalez F,Krause F

更新日期：1994-07-01 00:00:00

abstract：:Mammography is a widely used screening tool and is the gold standard for the early detection of breast cancer. The classification of breast masses into the benign and malignant categories is an important problem in the area of computer-aided diagnosis of breast cancer. A small dataset of 57 breast mass images, each wi...

journal_title：Medical & biological engineering & computing

authors： Nandi RJ,Nandi AK,Rangayyan RM,Scutt D

更新日期：2006-08-01 00:00:00

abstract：:Implantable cardioverter defibrillators (ICDs) can store intracardiac electrograms (EGMs) in sinus rhythm (SR), at the onset of spontaneous ventricular tachyarrhythmias (VT) or during their course. This allows the investigation of unknown features of the heart electrical activity associated with different cardiac rhyt...

journal_title：Medical & biological engineering & computing

authors： Casaleggio A,Rossi P,Faini A,Guidotto T,Malavasi V,Musso G,Sartori G

更新日期：2006-03-01 00:00:00

abstract：:Axial head rotation prior to low speed automotive rear impacts has been clinically identified to increase morbidity and symptom duration. The present study was conducted to determine the effect of axial head rotation on facet joint capsule strains during simulated rear impacts. The study was conducted using a validate...

journal_title：Medical & biological engineering & computing

authors： Storvik SG,Stemper BD

更新日期：2011-02-01 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：: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：: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：:Whether Fourier transform infra-red spectroscopy with an attenuated total reflection prism could be applied for noninvasive glucose measurement through oral mucosa was evaluated. As a result, the same absorbance peak at 1033 cm-1 as in glucose aqueous solution was found in the absorbance spectra through mucous membran...

journal_title：Medical & biological engineering & computing

authors： Kajiwara K,Uemura T,Kishikawa H,Nishida K,Hashiguchi Y,Uehara M,Sakakida M,Ichinose K,Shichiri M

更新日期：1993-07-01 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：:Generation of a large number of cells belonging to the cardiac pacemaker system would constitute an important step towards their utilization as a biological cardiac pacemaker system. The aim of the present study was to identify factors, which might induce transformation of a heterogenous population of fetal cardiomyoc...

journal_title：Medical & biological engineering & computing

authors： Ruhparwar A,Er F,Martin U,Radke K,Gruh I,Niehaus M,Karck M,Haverich A,Hoppe UC

更新日期：2007-02-01 00:00:00

abstract：:Fetal heart rate (FHR) monitoring is used routinely in labor, but conventional methods have a limited capacity to detect fetal hypoxia/acidosis. An exploratory study was performed on the simultaneous assessment of maternal heart rate (MHR) and FHR variability, to evaluate their evolution during labor and their capacit...

journal_title：Medical & biological engineering & computing

authors： Gonçalves H,Pinto P,Silva M,Ayres-de-Campos D,Bernardes J

更新日期：2016-04-01 00:00:00

abstract：:The study focuses on the problems of dimensionality reduction by means of principal component analysis (PCA) in the context of single-trial EEG data classification (i.e. discriminating between imagined left- and right-hand movement). The principal components with the highest variance, however, do not necessarily carry...

journal_title：Medical & biological engineering & computing

authors： Lugger K,Flotzinger D,Schlögl A,Pregenzer M,Pfurtscheller G

更新日期：1998-05-01 00:00:00

abstract：:The aim of this study was to analyse the trends of the first three power spectral moments of the mechanomyogram (MMG) signal recorded by a microphone (MMG(MIC)) and an accelerometer (MMG(ACC)) during sustained contractions. MMG signals were recorded from the biceps brachii muscle in 14 healthy male subjects during a 3...

journal_title：Medical & biological engineering & computing

authors： Madeleine P,Ge HY,Jaskólska A,Farina D,Jaskólski A,Arendt-Nielsen L

更新日期：2006-04-01 00:00:00

abstract：:An original numerical method is developed to compute the 3D electric potential generated by a dot-contact cuff electrode implanted around an axisymmetrical, inhomogeneous, anisotropic nerve. The technique is based on a 2D finite-element approach coupled with a semi-analytical Fourier spectral decomposition to approxim...

journal_title：Medical & biological engineering & computing

authors： Parrini S,Delbeke J,Romero E,Legat V,Veraart C

更新日期：1999-11-01 00:00:00