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[1991] Computer-Based Medical Systems@m_Proceedings of the Fourth Annual IEEE Symposium最新文献

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Development of an information system to assist management of critically ill patients 发展资讯系统，协助管理危重病人
[1991] Computer-Based Medical Systems@m_Proceedings of the Fourth Annual IEEE Symposium Pub Date : 1991-05-12 DOI: 10.1109/CBMS.1991.128944
T. Strickland
{"title":"Development of an information system to assist management of critically ill patients","authors":"T. Strickland","doi":"10.1109/CBMS.1991.128944","DOIUrl":"https://doi.org/10.1109/CBMS.1991.128944","url":null,"abstract":"The development of a first-generation intensive care unit information system to provide access to recorded patient data is described. A set of integrated modules which process the data and support retrospective review of the data and derived summary information has been completed. This prototyping effort has identified the need for more complex data processing in the second-generation information system. Enhancements include development of computer-based methods to assist with therapy assessment and outcome prediction, and installation of data communication links between the ICU and other sites.<<ETX>>","PeriodicalId":439237,"journal":{"name":"[1991] Computer-Based Medical Systems@m_Proceedings of the Fourth Annual IEEE Symposium","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115405397","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Effective cognitive modeling in an intelligent tutoring system for cardiovascular physiology 心血管生理学智能辅导系统的有效认知建模
[1991] Computer-Based Medical Systems@m_Proceedings of the Fourth Annual IEEE Symposium Pub Date : 1991-05-12 DOI: 10.1109/CBMS.1991.128989
L. Shim, M. Evens, J. Michael, A. Rovick
{"title":"Effective cognitive modeling in an intelligent tutoring system for cardiovascular physiology","authors":"L. Shim, M. Evens, J. Michael, A. Rovick","doi":"10.1109/CBMS.1991.128989","DOIUrl":"https://doi.org/10.1109/CBMS.1991.128989","url":null,"abstract":"CIRCSIM-TUTOR, an intelligent tutoring system (ITS), combines both the overlay approach (used to detect declarative errors) and a bug library (for recognizing misconceptions in problem solving). The student modes in most ITSs evaluate the student's current response and store an analysis. However, both earlier responses and immediate ones should be taken into account. It should also be recognized that students may show inconsistent behavior. Exploring initial implementation of CIRCSIM-TUTOR shows that this is a better approach to tutoring first-year medical students about the causal relationships between parameters in the cardiovascular system involved in regulating blood pressure using complex negative feedback process.<<ETX>>","PeriodicalId":439237,"journal":{"name":"[1991] Computer-Based Medical Systems@m_Proceedings of the Fourth Annual IEEE Symposium","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133346097","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
Automatic cell count in digital images of liver tissue sections 肝组织切片数字图像中的自动细胞计数
[1991] Computer-Based Medical Systems@m_Proceedings of the Fourth Annual IEEE Symposium Pub Date : 1991-05-12 DOI: 10.1109/CBMS.1991.128958
P. Mussio, M. Pietrogrande, Paolo Bottoni, M. Dell'Oca, E. Arosio, E. Sartirana, M. R. Finanzon, N. Dioguardi
{"title":"Automatic cell count in digital images of liver tissue sections","authors":"P. Mussio, M. Pietrogrande, Paolo Bottoni, M. Dell'Oca, E. Arosio, E. Sartirana, M. R. Finanzon, N. Dioguardi","doi":"10.1109/CBMS.1991.128958","DOIUrl":"https://doi.org/10.1109/CBMS.1991.128958","url":null,"abstract":"A method for identifying and counting cells and biological structures in histological liver tissue sections is presented. The method uses several image processing operators. The final classification results from contextual fusion of different clues. The overall flow of information among the active components of the cell description procedure (CDP) is outlined. The CDP is constructed and validated by a sequence of exploration and confirmation phases. Exploration takes place when a set of known images that is progressively improved until the results are satisfactory is worked out through the CDP. The confirmation phase may then start, working out a new set of images (of the same type but not analyzed before) and proceeding until acceptable sets of agents are generated. The completion of a first exploration phase has identified some major fields of improvement such as the identification of revision criteria for the refinement of the F-nuclei class.<<ETX>>","PeriodicalId":439237,"journal":{"name":"[1991] Computer-Based Medical Systems@m_Proceedings of the Fourth Annual IEEE Symposium","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130689516","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 22
Neural network paradigm comparisons for appendicitis diagnoses 阑尾炎诊断的神经网络范例比较
[1991] Computer-Based Medical Systems@m_Proceedings of the Fourth Annual IEEE Symposium Pub Date : 1991-05-12 DOI: 10.1109/CBMS.1991.128983
R. Eberhart, R. W. Dobbins, L. V. Hutton
{"title":"Neural network paradigm comparisons for appendicitis diagnoses","authors":"R. Eberhart, R. W. Dobbins, L. V. Hutton","doi":"10.1109/CBMS.1991.128983","DOIUrl":"https://doi.org/10.1109/CBMS.1991.128983","url":null,"abstract":"The results of comparisons among diagnoses of appendicitis versus nonspecific abdominal pain using three neural-network paradigms are reported. The paradigms used were the back propagation, binary adaptive resonance theory, and fuzzy resonance paradigms. It appears, from the limited testing done, that the back-propagation network performs best. Also discussed is the need to standardize input data files to facilitate paradigm comparisons and minimize software system development time. A structure for network input data files that could contribute to a process of standardization is proposed. The work is part of an effort to develop a medical practice support system to be used in isolated environments such as submarines.<<ETX>>","PeriodicalId":439237,"journal":{"name":"[1991] Computer-Based Medical Systems@m_Proceedings of the Fourth Annual IEEE Symposium","volume":"84 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116074999","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 35
Analysis of nonequidistant hybrid time series of growth hormone by multiple linear least-squares rhythmometry 生长激素非等距杂交时间序列的多重线性最小二乘节律分析
[1991] Computer-Based Medical Systems@m_Proceedings of the Fourth Annual IEEE Symposium Pub Date : 1991-05-12 DOI: 10.1109/CBMS.1991.128938
R. Hermida, L. Garcia, D. Ayala, J. Fernández, A. Mojón, C. Lodeiro, T. Iglesias
{"title":"Analysis of nonequidistant hybrid time series of growth hormone by multiple linear least-squares rhythmometry","authors":"R. Hermida, L. Garcia, D. Ayala, J. Fernández, A. Mojón, C. Lodeiro, T. Iglesias","doi":"10.1109/CBMS.1991.128938","DOIUrl":"https://doi.org/10.1109/CBMS.1991.128938","url":null,"abstract":"To test the validity of multiple component analysis by the concomitant linear least squares (LLS) fit of several significant harmonics, growth hormone (GH) concentrations were determined by radioimmunoassay in plasma obtained at about 3-h intervals during a 24-h sampling span from 54 children of short stature, and 22 children of standard stature. A comparison of circadian parameters obtained by LLS indicates similar characteristics between both groups. Differences were found, however, in a prominent 8-h ultradian component documented for the short, but not the standard-stature children. This procedure of multiple LLS rhythmometry is recommended for the modeling of nonequidistant and/or nonsinusoidal time series, as well as for simultaneous estimation of parameters from several periodic components.<<ETX>>","PeriodicalId":439237,"journal":{"name":"[1991] Computer-Based Medical Systems@m_Proceedings of the Fourth Annual IEEE Symposium","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116220548","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Detection of epileptiform spikes in the EEG using a patient-independent neural network 利用独立于患者的神经网络检测脑电图中的癫痫状尖峰
[1991] Computer-Based Medical Systems@m_Proceedings of the Fourth Annual IEEE Symposium Pub Date : 1991-05-12 DOI: 10.1109/CBMS.1991.128978
K. Wilson, W. Webber, R. Lesser, R. Fisher, R. Eberhart, R. W. Dobbins
{"title":"Detection of epileptiform spikes in the EEG using a patient-independent neural network","authors":"K. Wilson, W. Webber, R. Lesser, R. Fisher, R. Eberhart, R. W. Dobbins","doi":"10.1109/CBMS.1991.128978","DOIUrl":"https://doi.org/10.1109/CBMS.1991.128978","url":null,"abstract":"An offline neural network that successfully detects spikes when trained on multiple patients selected from a database of electroencephalogram (EEG) records with spikes marked by experienced electroencephalographers has been developed. This spike detector uses a simple threshold detector to identify potential spikes that appear on four-channel bipolar chains within the montage, and then passes waveform parameters to a three-layer neural network for second-level detection. Results obtained for the neural network with output thresholds arbitrarily set of 0.5 have yielded sensitivities averaging 74% and selectivities averaging 54%. While the selectivities for these trials were only fair, it is noted that substantial improvements could be achieved by raising the output thresholds.<<ETX>>","PeriodicalId":439237,"journal":{"name":"[1991] Computer-Based Medical Systems@m_Proceedings of the Fourth Annual IEEE Symposium","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122720817","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 15
The Safe Medical Devices Act of 1990: new directions for FDA software regulation 1990年安全医疗器械法案:FDA软件监管的新方向
[1991] Computer-Based Medical Systems@m_Proceedings of the Fourth Annual IEEE Symposium Pub Date : 1991-05-12 DOI: 10.1109/CBMS.1991.128992
V. Brannigan
{"title":"The Safe Medical Devices Act of 1990: new directions for FDA software regulation","authors":"V. Brannigan","doi":"10.1109/CBMS.1991.128992","DOIUrl":"https://doi.org/10.1109/CBMS.1991.128992","url":null,"abstract":"An analysis of the effect of the 'safe medical devices act' (1990) on nonembedded software which interacts directly with medical devices is presented. Such devices include laboratory analyzers, image generators, therapeutic machinery, and patient monitors. Nonembedded software might interact with such devices across a computer network. Typical nonembedded software includes clinical laboratory systems, radiology systems, and intensive car systems. These systems are chosen for analysis because changes in the regulatory system make them much more vulnerable to legal action under the 1990 act than under the original 1976 act. The analysis shows that up to this time many producers of nonembedded device connecting software have not complied with the food and drug act, and the FDA had the authority, but not the tools to compel compliance. The 1990 act gives the FDA the data collection and enforcement tools to track down unregistered manufacturers of device connecting software.<<ETX>>","PeriodicalId":439237,"journal":{"name":"[1991] Computer-Based Medical Systems@m_Proceedings of the Fourth Annual IEEE Symposium","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127516628","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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