A microcomputer based lung sounds analysis.

Abstract:

:The use of a microcomputer in lung sound-analysis is described. The system was used experimentally in order to evaluate automated auscultation as a mean for improving the sensitivity of pulmonary health mass screening. The sound signals from four custom-made piezoelectric transducers, affixed at specific locations on the chest wall, and the breathing flow signal produced by a pneumotachograph were amplified, filtered and digitized simultaneously at 4000 Hz per channel for 512 ms. The acoustic data were transformed to the frequency domain to enable the calculation of the power spectra. Those were averaged over successive runs and displayed as log power vs. frequency. The operator could assess the convergence of the spectral pattern using the on-line graphics and calculated parameters, and store the data once the noise level had reached a preset level. This procedure was repeated during expiration, inspiration and on breath arrest. The results of the off-line analysis of the lung sounds, combined with pulmonary function tests and a questionnaire, were used to identify lung pathology.

authors

Nissan M,Gavriely N

doi

10.1016/0169-2607(93)90045-m

subject

Has Abstract

pub_date

1993-05-01 00:00:00

pages

7-13

issue

1

eissn

0169-2607

issn

1872-7565

pii

0169-2607(93)90045-M

journal_volume

40

pub_type

杂志文章
  • A medical reasoning program that improves with experience.

    abstract::A physician's problem-solving performance improves with experience. The performance of most medical expert systems does not. The author has developed a diagnosis program for coronary disease that improves its performance by remembering and learning from cases that it has already solved. The program diagnoses commonly-...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/0169-2607(89)90070-9

    authors: Koton P

    更新日期:1989-10-01 00:00:00

  • Fast computation of sample entropy and approximate entropy in biomedicine.

    abstract::Both sample entropy and approximate entropy are measurements of complexity. The two methods have received a great deal of attention in the last few years, and have been successfully verified and applied to biomedical applications and many others. However, the algorithms proposed in the literature require O(N(2)) execu...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/j.cmpb.2010.12.003

    authors: Pan YH,Wang YH,Liang SF,Lee KT

    更新日期:2011-12-01 00:00:00

  • Fulfilling programmatic needs at the University of Maryland at Baltimore: the reality.

    abstract::This article will focus on the actual needs enumerated in the University of Maryland at Baltimore's Health Sciences Library/Information Services program entitled, Health Sciences Library: A New Building for Information Services Including the Health Sciences Library. These needs fall into one of 3 categories: collectio...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/0169-2607(94)90120-1

    authors: Tooey MJ

    更新日期:1994-09-01 00:00:00

  • MUSE--a new tool for interactive image analysis and segmentation based on multivariate statistics.

    abstract::MUSE--a new software tool for the interactive exploration of multivariate images and the development of image segmentation methods has been designed, implemented, and tested in a number of real application projects. The multivariate statistical classification and projection methods in MUSE can be used not only to anal...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/0169-2607(94)90128-7

    authors: Bengtsson E,Nordin B,Pedersen F

    更新日期:1994-03-01 00:00:00

  • Accelerated event-by-event Monte Carlo microdosimetric calculations of electrons and protons tracks on a multi-core CPU and a CUDA-enabled GPU.

    abstract::For microdosimetric calculations event-by-event Monte Carlo (MC) methods are considered the most accurate. The main shortcoming of those methods is the extensive requirement for computational time. In this work we present an event-by-event MC code of low projectile energy electron and proton tracks for accelerated mic...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/j.cmpb.2013.09.009

    authors: Kalantzis G,Tachibana H

    更新日期:2014-01-01 00:00:00

  • A fourth order PDE based fuzzy c- means approach for segmentation of microscopic biopsy images in presence of Poisson noise for cancer detection.

    abstract:BACKGROUND AND OBJECTIVE:For cancer detection from microscopic biopsy images, image segmentation step used for segmentation of cells and nuclei play an important role. Accuracy of segmentation approach dominate the final results. Also the microscopic biopsy images have intrinsic Poisson noise and if it is present in th...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/j.cmpb.2017.05.003

    authors: Kumar R,Srivastava S,Srivastava R

    更新日期:2017-07-01 00:00:00

  • Finite element analysis of immature teeth filled with MTA, Biodentine and Bioaggregate.

    abstract:BACKGROUND AND OBJECTIVE:Finite element based simulation has emerged as a powerful tool to analyse the tooth strength and its fracture characteristics. The aim of this study is to compare and evaluate the fracture resistance of immature teeth reinforcement with MTA, Biodentine and Bioaggregate as an apical plug and bac...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/j.cmpb.2020.105356

    authors: Eram A,Zuber M,Keni LG,Kalburgi S,Naik R,Bhandary S,Amin S,Badruddin IA

    更新日期:2020-07-01 00:00:00

  • Automated data acquisition and analysis in muscle physiology research.

    abstract::Research in muscle physiology has progressed in both the volume and complexity of data examined. Dependence on manual methods to analyze and condense this amount of information can present a narrow bottleneck to the efficient completion of a study, and can compromise the reliability of the results. We designed a gener...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/0169-2607(89)90161-2

    authors: Stanley TE 3rd,Held JP,Estrin JA

    更新日期:1989-04-01 00:00:00

  • Linear and nonlinear analyses of normal and fatigue heart rate variability signals for miners in high-altitude and cold areas.

    abstract:BACKGROUND AND OBJECTIVE:Fatigue is an important cause of operational errors, and human errors are the main cause of accidents. This study is an exploratory study in China. Field tests were conducted on heart rate variability (HRV) parameters and physiological indicators of fatigue among miners in high-altitude, cold a...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/j.cmpb.2020.105667

    authors: Chen S,Xu K,Zheng X,Li J,Fan B,Yao X,Li Z

    更新日期:2020-11-01 00:00:00

  • Information theoretic multiscale truncated SVD for multilead electrocardiogram.

    abstract:BACKGROUND AND OBJECTIVE:In this paper an information theory based multiscale singular value decomposition (SVD) is proposed for multilead electrocardiogram (ECG) signal processing. The shrinkage of singular values for different multivariate multiscale matrices at wavelet scales is based on information content. It aims...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/j.cmpb.2016.01.010

    authors: Sharma LN

    更新日期:2016-06-01 00:00:00

  • An intelligent support system for automatic detection of cerebral vascular accidents from brain CT images.

    abstract:OBJECTIVE:This paper presents a Radial Basis Functions Neural Network (RBFNN) based detection system, for automatic identification of Cerebral Vascular Accidents (CVA) through analysis of Computed Tomographic (CT) images. METHODS:For the design of a neural network classifier, a Multi Objective Genetic Algorithm (MOGA)...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/j.cmpb.2017.05.005

    authors: Hajimani E,Ruano MG,Ruano AE

    更新日期:2017-07-01 00:00:00

  • Study of heat transfer on physiological driven movement with CNT nanofluids and variable viscosity.

    abstract:BACKGROUND AND OBJECTIVES:With ongoing interest in CNT nanofluids and materials in biotechnology, energy and environment, microelectronics, composite materials etc., the current investigation is carried out to analyze the effects of variable viscosity and thermal conductivity of CNT nanofluids flow driven by cilia indu...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/j.cmpb.2016.08.001

    authors: Akbar NS,Kazmi N,Tripathi D,Mir NA

    更新日期:2016-11-01 00:00:00

  • Comparative analysis of active contour and convolutional neural network in rapid left-ventricle volume quantification using echocardiographic imaging.

    abstract::In cardiology, ultrasound is often used to diagnose heart disease associated with myocardial infarction. This study aims to develop robust segmentation techniques for segmenting the left ventricle (LV) in ultrasound images to check myocardium movement during heartbeat. The proposed technique utilizes machine learning ...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/j.cmpb.2020.105914

    authors: Zhu X,Wei Y,Lu Y,Zhao M,Yang K,Wu S,Zhang H,Wong KKL

    更新日期:2020-12-17 00:00:00

  • A survey on histological image analysis-based assessment of three major biological factors influencing radiotherapy: proliferation, hypoxia and vasculature.

    abstract::Image analysis is a rapidly evolving field with growing applications in science and engineering. In cancer research, it has played a key role in advancing techniques of major diagnostic importance, minimising human intervention and providing vital clinical information. Especially in the field of tissue microscopy, the...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/j.cmpb.2003.07.001

    authors: Loukas CG,Linney A

    更新日期:2004-06-01 00:00:00

  • HANOIPC3: a computer program to evaluate executive functions.

    abstract::This article describes a computer program (HANOIPC3) based on the Tower of Hanoi game that, by analyzing a series of parameters during execution, allows a fast and accurate evaluation of data related to certain executive functions, especially planning, organizing and problem-solving. This computerized version has only...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/j.cmpb.2009.02.007

    authors: Guevara MA,Rizo L,Ruiz-Díaz M,Hernández-González M

    更新日期:2009-08-01 00:00:00

  • Hybrid mediated blood flow investigation for atherosclerotic bifurcated lesions with slip, convective and compliant wall impacts.

    abstract:OBJECTIVE:The present investigation is concerned with hybrid mediated blood flow model through atherosclerotic bifurcated artery with slip effects by considering the properties of compliant walls. DESIGN/APPROACH:In human body, the circulatory system is made up of a network of blood vessels that include the bifurcatio...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/j.cmpb.2019.07.008

    authors: Shahzadi I,Kousar N

    更新日期:2019-10-01 00:00:00

  • A simulation model for studies of intestine cell dynamics.

    abstract::A dynamic simulation model for the epithelial cell structures of the intestine has been developed. The model is based on hypotheses found in the literature. It is shown that basic cell dynamics can be reproduced by simulation experiments. The simulation program is designed so that model output comparable with experime...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/0169-2607(85)90067-7

    authors: Meinzer HP,Sandblad B

    更新日期:1985-11-01 00:00:00

  • Effect of power feature covariance shift on BCI spatial-filtering techniques: A comparative study.

    abstract:BACKGROUND AND OBJECTIVE:The input data distributions of EEG-based BCI systems can change during intra-session transitions due to nonstationarity caused by features covariate shifts, thus compromising BCI performance. We aimed to identify the most robust spatial filtering approach, among most used methods, testing them...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/j.cmpb.2020.105808

    authors: Miladinović A,Ajčević M,Jarmolowska J,Marusic U,Colussi M,Silveri G,Battaglini PP,Accardo A

    更新日期:2021-01-01 00:00:00

  • Development of an auxiliary system for the execution of vascular catheter interventions with a reduced radiological risk; system description and first experimental results.

    abstract::Vascular catheterization is a common procedure in clinical medicine. It is normally performed by a specialist using an X-ray fluoroscopic guide and contrast-media. In the present paper, an image-guided navigation system which indicates a path providing guidance to the desired target inside the vascular tree is describ...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/j.cmpb.2007.07.009

    authors: Placidi G,Franchi D,Marsili L,Gallo P

    更新日期:2007-11-01 00:00:00

  • Helping doctors hasten COVID-19 treatment: Towards a rescue framework for the transfusion of best convalescent plasma to the most critical patients based on biological requirements via ml and novel MCDM methods.

    abstract:CONTEXT:People who have recently recovered from the threat of deteriorating coronavirus disease-2019 (COVID-19) have antibodies to the coronavirus circulating in their blood. Thus, the transfusion of these antibodies to deteriorating patients could theoretically help boost their immune system. Biologically, two challen...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/j.cmpb.2020.105617

    authors: Albahri OS,Al-Obaidi JR,Zaidan AA,Albahri AS,Zaidan BB,Salih MM,Qays A,Dawood KA,Mohammed RT,Abdulkareem KH,Aleesa AM,Alamoodi AH,Chyad MA,Zulkifli CZ

    更新日期:2020-11-01 00:00:00

  • An extension to 3D topological thinning method based on LUT for colon centerline extraction.

    abstract::Topological thinning is a valid but time-consuming method to calculate the centerline of human colon or other hollow organs accurately. An optimized 3D topological thinning method based on Look-up Table (LUT), which was proposed by Sadlier, proves to be effective in improving the efficiency on many occasions. However,...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/j.cmpb.2008.10.002

    authors: Ding M,Tong R,Liao SH,Dong J

    更新日期:2009-04-01 00:00:00

  • Optic disc and optic cup segmentation based on anatomy guided cascade network.

    abstract:BACKGROUND AND OBJECTIVE:Glaucoma, a worldwide eye disease, may cause irreversible vision damage. If not treated properly at an early stage, glaucoma eventually deteriorates into blindness. Various glaucoma screening methods, e.g. Ultrasound Biomicroscopy (UBM), Optical Coherence Tomography (OCT), and Heidelberg Retina...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/j.cmpb.2020.105717

    authors: Bian X,Luo X,Wang C,Liu W,Lin X

    更新日期:2020-12-01 00:00:00

  • Extracting a statistical data matrix from electronic patient records.

    abstract::This paper describes the processing and transformation of medical data from a clinical database to a statistical data matrix. Precise extraction and linking tools must be available for the desired data to be processed for statistical purposes. We show that flexible mechanisms are required for the different types of us...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/s0169-2607(00)00130-9

    authors: Gall W,Heinzl H,Sachs P

    更新日期:2001-09-01 00:00:00

  • Building a national electronic medical record exchange system - experiences in Taiwan.

    abstract::There are currently 501 hospitals and about 20,000 clinics in Taiwan. The National Health Insurance (NHI) system, which is operated by the NHI Administration, uses a single-payer system and covers 99.9% of the nation's total population of 23,000,000. Taiwan's NHI provides people with a high degree of freedom in choosi...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/j.cmpb.2015.04.013

    authors: Li YC,Yen JC,Chiu WT,Jian WS,Syed-Abdul S,Hsu MH

    更新日期:2015-08-01 00:00:00

  • Optimal dynamic empirical therapy in a health care facility: A Monte-Carlo look-ahead method.

    abstract:BACKGROUND AND OBJECTIVES:Empirical antimicrobial prescription strategies have been proposed to counteract the selection of resistant pathogenic strains. The respective merits of such strategies have been debated. Rather than comparing a finite number of policies, we take an optimization approach and propose a solution...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/j.cmpb.2020.105767

    authors: Houy N,Flaig J

    更新日期:2021-01-01 00:00:00

  • New Doppler-based imaging method in echocardiography with applications in blood/tissue segmentation.

    abstract::A parametric model for the ultrasound signals from blood and tissue is developed and a new imaging method, knowledge-based imaging, is defined. This method utilizes the likelihood ratio function to classify blood and tissue signals. The method separates blood and tissue signals by the difference in movement patterns i...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/j.cmpb.2009.03.012

    authors: Hovda S,Rue H,Olstad B

    更新日期:2009-10-01 00:00:00

  • Histology image analysis for carcinoma detection and grading.

    abstract::This paper presents an overview of the image analysis techniques in the domain of histopathology, specifically, for the objective of automated carcinoma detection and classification. As in other biomedical imaging areas such as radiology, many computer assisted diagnosis (CAD) systems have been implemented to aid hist...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/j.cmpb.2011.12.007

    authors: He L,Long LR,Antani S,Thoma GR

    更新日期:2012-09-01 00:00:00

  • Multiple correspondence analysis in S-PLUS.

    abstract::Multiple correspondence analysis (MCA) is a multivariate method for analyzing multidimensional contingency tables. General software procedures to perform MCA are available. Among them SAS Proc CORRESP, SPAD CORMU procedure and the mca function of the MASS library in S-PLUS are probably the most used. However, CORRESP ...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/j.cmpb.2005.03.001

    authors: Ambrogi F,Biganzoli E,Boracchi P

    更新日期:2005-08-01 00:00:00

  • Advanced multimodal visualisation of clinical gait and fluoroscopy analyses in the assessment of total knee replacement.

    abstract::Traditional gait and fluoroscopy analysis of human movement are largely utilised but are still limited in registration, integration, synchronisation and visualisation capabilities. The present work exploits the features of a recently developed software tool based on multimodal display (Data Manager developed within th...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/j.cmpb.2005.04.007

    authors: Leardini A,Astolfi L,Fantozzi S,Viceconti M,Benedetti MG,Catani F

    更新日期:2005-09-01 00:00:00

  • Magnetic resonance image processing and structured grid generation of a human abdominal bifurcation.

    abstract::Magnetic resonance angiography (MRA) offers a non-invasive approach to the acquisition of anatomically accurate human arterial structure. Combining the latest computational fluid dynamics (CFD) techniques with clinical data from MRA, the detailed haemodynamics information in the human circulation system can be obtaine...

    journal_title:Computer methods and programs in biomedicine

    pub_type: 杂志文章

    doi:10.1016/s0169-2607(98)00008-x

    authors: Long Q,Xu XY,Collins MW,Bourne M,Griffith TM

    更新日期:1998-06-01 00:00:00