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Biosend, an automated biomedical acquisition system Biosend，一个自动生物医学采集系统
Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society Pub Date : 1996-10-31 DOI: 10.1109/IEMBS.1996.656818
P. Ortega, J. Prat, A. Mànuel, X. Pastor, J. Jaureguízar
{"title":"Biosend, an automated biomedical acquisition system","authors":"P. Ortega, J. Prat, A. Mànuel, X. Pastor, J. Jaureguízar","doi":"10.1109/IEMBS.1996.656818","DOIUrl":"https://doi.org/10.1109/IEMBS.1996.656818","url":null,"abstract":"A virtual instrument to acquire automatically biomedical signals is introduced. The system is constituted by two basic blocks: a hardware unit or concentrator that gathers and sends back all the information shown by the several screens connected to the patient, regardless of their trade-mark, through a single channel series digital standard R3-232 or EIA-422 to a distant computer, in such a way that any additional hardware is superfluous. Secondly, a software subsystem installed in a central computer that permits one to capture, visualize and process all the information from a patient, thus, facilitating the control of such patient, also, making it possible to extract data and statistics that are extremely valuable in medical investigation. This software can be run in a PC or Macintosh environment and it has been designed through LABVIEW 3.1 by National Instruments, a graphic programming language used in the development of automated instrumentation systems.","PeriodicalId":20427,"journal":{"name":"Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society","volume":"31 1","pages":"3-4 vol.1"},"PeriodicalIF":0.0,"publicationDate":"1996-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77552191","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: 0
Development of a multi-switch input controller of the electronic devices for the motor-disabled-person 运动残疾人电子设备多开关输入控制器的研制
Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society Pub Date : 1996-10-31 DOI: 10.1109/IEMBS.1996.651839
T. Yamamoto, M. Ide
{"title":"Development of a multi-switch input controller of the electronic devices for the motor-disabled-person","authors":"T. Yamamoto, M. Ide","doi":"10.1109/IEMBS.1996.651839","DOIUrl":"https://doi.org/10.1109/IEMBS.1996.651839","url":null,"abstract":"A new multi-switch input controller (MSIC) has been developed, which is developed from scanning techniques extended by encoding. It controls the indoor home-electronic devices, personal emergency alarm system, and the keyboard emulator on the Windows95 (Microsoft). This intensive indoor environmental control system basically has the main framework to handle the historic records of the switch control. It is useful to monitor the training process for the disabled.","PeriodicalId":20427,"journal":{"name":"Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society","volume":"244 1","pages":"508-509 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1996-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78165584","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
Relationship between micro- and macro-acoustic properties of myocardium 心肌微观与宏观声学特性的关系
Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society Pub Date : 1996-10-31 DOI: 10.1109/IEMBS.1996.652013
Y. Saijo, H. Sasaki, H. Okawai, S. Nitta
{"title":"Relationship between micro- and macro-acoustic properties of myocardium","authors":"Y. Saijo, H. Sasaki, H. Okawai, S. Nitta","doi":"10.1109/IEMBS.1996.652013","DOIUrl":"https://doi.org/10.1109/IEMBS.1996.652013","url":null,"abstract":"The objective of the present study is to assess the relationship between micro- and macro-acoustic properties of myocardium. The values of ultrasonic attenuation and sound speed of the myocardium at 3.5 MHz were obtained by frequency domain analysis of the pulse response in order to determine the macro-acoustic properties. The micro-acoustic properties were obtained by a specially developed scanning acoustic microscope system operating in the frequency range of 100-200 MHz. At 3.5 MHz, the sound speed was 1600 m/s and the attenuation was 2.5 dB/cm in the normal myocardium, 1582 m/s and 5.8 dB/cm in the necrosis, respectively. At 130 MHz, both values were 1614 m/s and 1.1 dB/mm/MHz in the normal myocardium, 1578 m/s and 0.6 dB/mm/MHz in the necrosis, respectively. The results suggest that the ultrasonic attenuation is affected by both the chemical components and the structure of the tissue.","PeriodicalId":20427,"journal":{"name":"Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society","volume":"76 1","pages":"863-864 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1996-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80043284","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: 0
NARMAX model of the pCO/sub 2/ control system in man estimated by neural computation 用神经网络计算估计了人类pCO/sub 2/控制系统的NARMAX模型
Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society Pub Date : 1996-10-31 DOI: 10.1109/IEMBS.1996.647616
M. Noshiro, H. Shindou, Y. Fukuoka, M. Ishikawa, H. Minanitani, K. Sakamoto, A. Tanakadate, S. Nebuya
{"title":"NARMAX model of the pCO/sub 2/ control system in man estimated by neural computation","authors":"M. Noshiro, H. Shindou, Y. Fukuoka, M. Ishikawa, H. Minanitani, K. Sakamoto, A. Tanakadate, S. Nebuya","doi":"10.1109/IEMBS.1996.647616","DOIUrl":"https://doi.org/10.1109/IEMBS.1996.647616","url":null,"abstract":"Subjects voluntarily inspire a gas mixture in which the CO/sub 2/ concentration is changed stepwise or randomly. The respiratory flow rate and pCO/sub 2/ in the inspired and expired gases are measured to yield the end-tidal pCO/sub 2/ and minute ventilation, which are the input and output of the pCO/sub 2/ control system, respectively. A NARMAX (Nonlinear Auto-Regressive Moving Average with eXogeneous inputs) model of the system is estimated using a three-layered feedforward neural network. The estimated model contains terms, y(t-1), x(t-1), x(t-2), X/sup 2/(t-2) and y(t-1)x(t-2). A measure of nonlinearity calculated from the data used for estimation shows the pCO/sub 2/ control system in most subjects has a nonlinearity which cannot be neglected.","PeriodicalId":20427,"journal":{"name":"Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society","volume":"64 1","pages":"1693-1694 vol.4"},"PeriodicalIF":0.0,"publicationDate":"1996-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80168991","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: 0
Uncooled infrared focal plane arrays 非冷却红外焦平面阵列
Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society Pub Date : 1996-10-31 DOI: 10.1109/IEMBS.1996.646440
R. Balcerak, D. Jenkins, N. Diakides
{"title":"Uncooled infrared focal plane arrays","authors":"R. Balcerak, D. Jenkins, N. Diakides","doi":"10.1109/IEMBS.1996.646440","DOIUrl":"https://doi.org/10.1109/IEMBS.1996.646440","url":null,"abstract":"Night vision technology is present in most military systems used today. The sensors range from night vision goggles to high performance infrared target acquisition and tracking systems. With the importance placed upon night vision, lower cost and wider availability of night vision technology is an important consideration. Infrared sensors, which do not require cryogenic cooling, have many of these assets. Recently, the excellent imaging performance of uncooled infrared has captured the attention of many system users, and new applications are rapidly emerging. This paper reviews these application areas, explores new possibilities, and assesses the technology underway to further expand the realm of uncooled infrared imaging. Technological advances, both in the sensor technology and the interface with the imaging system, will expand the use of uncooled infrared sensors into additional military and commercial applications.","PeriodicalId":20427,"journal":{"name":"Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society","volume":"10 1","pages":"2077-2078 vol.5"},"PeriodicalIF":0.0,"publicationDate":"1996-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80220224","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: 12
Multimedia personal computer based phonocardiography 基于多媒体个人计算机的心音图
Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society Pub Date : 1996-10-31 DOI: 10.1109/IEMBS.1996.646545
S. Lukkarinen, P. Korhonen, A. Angerla, A. Noponen, K. Sikio, R. Sepponen
{"title":"Multimedia personal computer based phonocardiography","authors":"S. Lukkarinen, P. Korhonen, A. Angerla, A. Noponen, K. Sikio, R. Sepponen","doi":"10.1109/IEMBS.1996.646545","DOIUrl":"https://doi.org/10.1109/IEMBS.1996.646545","url":null,"abstract":"Although the phonocardiogram presents heart sounds and murmurs most precisely and it can offer clinically useful information, its usage as diagnostic tool is nowadays quite uncommon. One possible reason can be that auscultation findings are not recorded as sounds, and so they cannot be listened to again. Multimedia personal computer equipped with a handheld electronic stethoscope can be used to register and analyse the heart sounds. Over 60 dB signal dynamics can be achieved with careful hardware selections.","PeriodicalId":20427,"journal":{"name":"Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society","volume":"73 1","pages":"2303-2304 vol.5"},"PeriodicalIF":0.0,"publicationDate":"1996-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80469922","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: 9
Quantification of age-related changes in the elastic texture of the human aortic wall by directional fractal curve 用定向分形曲线量化人主动脉壁弹性结构的年龄相关变化
Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society Pub Date : 1996-10-31 DOI: 10.1109/IEMBS.1996.646507
C.F. Jiang, A. Avolio
{"title":"Quantification of age-related changes in the elastic texture of the human aortic wall by directional fractal curve","authors":"C.F. Jiang, A. Avolio","doi":"10.1109/IEMBS.1996.646507","DOIUrl":"https://doi.org/10.1109/IEMBS.1996.646507","url":null,"abstract":"A new fractal feature, the Directional Fractal Curve (DFC), defined over an are of 180/spl deg/ and composed of 90 fractal dimensions determined at intervals of arc of 2/spl deg/, was developed to account for the anisotropic property of a fractal texture. The DFC of images with directional preference shows a periodic pattern; while the DFC of images with no definite directional preference tends to be a horizontal line. The DFC of the elastic texture exhibits a single peak and can be characterized by a sinusoidal function. The DFC was applied to examine an age-related structural change in the elastin network of the aortic wall exposed by scanning electron microcopy. Aortic samples were obtained from 44 human subjects with age range of 3 months to 103 years. Results show that the DFCs of these subjects decay significantly as age increases. This suggests that the elastin network may be characterized in terms of DFC which can be used to quantify structural modifications due to physiological changes such as ageing.","PeriodicalId":20427,"journal":{"name":"Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society","volume":"52 1","pages":"2224-2226 vol.5"},"PeriodicalIF":0.0,"publicationDate":"1996-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79072334","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
Tissue segmentation of MRI of the head by means of a Kohonen map 基于Kohonen图的头部MRI组织分割
Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society Pub Date : 1996-10-31 DOI: 10.1109/IEMBS.1996.652721
S. Congorto, S. D. Penna, S. Erne
{"title":"Tissue segmentation of MRI of the head by means of a Kohonen map","authors":"S. Congorto, S. D. Penna, S. Erne","doi":"10.1109/IEMBS.1996.652721","DOIUrl":"https://doi.org/10.1109/IEMBS.1996.652721","url":null,"abstract":"The authors developed a new method in order to automatically segment magnetic resonance images (MRIs) of the head. The main tissues, such as scalp, brain and skull, are recognised. The method is based on a Kohonen self organising feature map which performs a cluster of the image areas into three main classes. The network, after being trained, is successfully operated on the test set. The network performances do not depend on the MRI apparatus producing the images set. The network classes are properly matched and processed in order to obtain slices containing the desired tissues. The proposed method has been developed in the frame of a project for the 3-dimensional reconstruction of selected surfaces.","PeriodicalId":20427,"journal":{"name":"Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society","volume":"81 1","pages":"1087-1088 vol.3"},"PeriodicalIF":0.0,"publicationDate":"1996-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79290603","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: 8
Novel all-silicon sensor structure with integrated poly-Si electrodes 集成多晶硅电极的新型全硅传感器结构
Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society Pub Date : 1996-10-31 DOI: 10.1109/IEMBS.1996.646437
L. Montelius, T. Ling, J. Tegenfeldt
{"title":"Novel all-silicon sensor structure with integrated poly-Si electrodes","authors":"L. Montelius, T. Ling, J. Tegenfeldt","doi":"10.1109/IEMBS.1996.646437","DOIUrl":"https://doi.org/10.1109/IEMBS.1996.646437","url":null,"abstract":"The interest in miniaturization of modern chemical and medical sensors is steadily increasing. However, when employing methods and fabrication procedures especially developed for microelectronics, one may encounter new and unpredictable problems for applications in aqueous media. For instance, in microelectronics often a dual metal layer system is employed for making electrical contacts. In a solution such a contact may result in galvanic reactions and/or may dissolve in the cleaning agents used for sterilization of medical devices. To address such issues the authors have employed an all-silicon based process technology for fabrication of sturdy and reliable devices with integrated poly-Silicon electrodes that tolerate most chemical environments. In this presentation the authors report on the first results using such electrodes. A comparative study between identical poly-Si and Aluminium electrodes was made in order to investigate the usefulness of poly-Si electrodes. The authors also demonstrate the nice possibility to use well-documented methods for surface modifications using silane coupling chemistry. The authors believe this added benefit for the silicon based electrodes of easy surface modification processes, as compared with metal electrodes, to be extremely valuable for the development of accurate and tailored sensor structures for specific applications.","PeriodicalId":20427,"journal":{"name":"Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society","volume":"70 1","pages":"2071-2072 vol.5"},"PeriodicalIF":0.0,"publicationDate":"1996-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81604006","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: 0
Low-cost active electrode improves the resolution in biopotential recordings 低成本的有源电极提高了生物电位记录的分辨率
Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society Pub Date : 1996-10-31 DOI: 10.1109/IEMBS.1996.656866
A. C. MettingVanRijn, Anthony, Kuiper, Taco E. Dankers, Cees, Grimbergen
{"title":"Low-cost active electrode improves the resolution in biopotential recordings","authors":"A. C. MettingVanRijn, Anthony, Kuiper, Taco E. Dankers, Cees, Grimbergen","doi":"10.1109/IEMBS.1996.656866","DOIUrl":"https://doi.org/10.1109/IEMBS.1996.656866","url":null,"abstract":"The accepted models of the origin of interference in body surface potential recordings predict that it would be advantageous to perform signal amplification on the electrode. A suitable circuit for a miniature biopotential amplifier to be manufactured in thick-film technology is described. A prototype series of active electrodes was produced and tested. The high immunity to interference resulted in ECG and EEG recordings of a very high quality.","PeriodicalId":20427,"journal":{"name":"Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society","volume":"8 1","pages":"101-102 vol.1"},"PeriodicalIF":0.0,"publicationDate":"1996-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84481543","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: 102
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