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Proceedings 12th IEEE Symposium on Computer-Based Medical Systems (Cat. No.99CB36365)

18-20 June 1999

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  • Proceedings 12th IEEE Symposium on Computer-Based Medical Systems (Cat. No.99CB36365)

    Publication Year: 1999
    Request permission for commercial reuse | PDF file iconPDF (261 KB)
    Freely Available from IEEE
  • Extended superquadric models of elastic hollow viscera

    Publication Year: 1999, Page(s):98 - 103
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (149 KB)

    We examine briefly the relationships between extended superquadric surface models and the theory of shells as both may be applied to the modeling of elastic hollow viscera such as the urinary or gall bladder. View full abstract»

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  • The Critical Path from Tissue Slices to Surgical Simulation: What Do Surgeons Want?

    Publication Year: 1999, Page(s):118 - 121
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (66 KB)

    First Page of the Article
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  • Author index

    Publication Year: 1999, Page(s):308 - 309
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    Freely Available from IEEE
  • Medical diagnosis by the virtual physician

    Publication Year: 1999, Page(s):296 - 302
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (52 KB)

    The purpose of this work is to train a backpropagation neural network to make correct diagnosis of thyroid diseases and to compare its performance with human practitioners of medicine. An 84-14-12 neural network is implemented using 84 signs and symptoms of thyroid diseases as input and the 12 kinds of thyroid illness as output. The training takes place first by varying the number of hidden nodes,... View full abstract»

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  • Development of real-time virtual reality haptic application: real-time issues

    Publication Year: 1999, Page(s):290 - 295
    Cited by:  Papers (4)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (88 KB)

    Touch is very important to human, as demonstrated by any child who, when asking to `see' an item, will reach out its hand to palpate and get the `feel' of the object of interest. The ability to simulate sense of touch, using computers, has finally arrived. Human haptics is the sense of touch. Computer haptics is simulating human haptics via a device. This ongoing research focuses on developing a P... View full abstract»

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  • DICOM-image compression

    Publication Year: 1999, Page(s):282 - 287
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1096 KB)

    In this paper a network algorithm to compress and to reconstruct DICOM-images is presented. The algorithm consists of three parts: the bit-levels of the original image is classified on the basis of a temporary segmentation and analysis of the image structure and afterwards divided into two parts. The first part of the image consists of the highest bit-levels of the original image, the second one c... View full abstract»

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  • Agent-controlled active streams in a distributed services medical imaging network

    Publication Year: 1999, Page(s):277 - 281
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (116 KB)

    Usually, data streams communicated between a source and a sink do so under the control of statically-established agencies (such as coder/decoders) established at either end of the pipe. In this paper, we propose the use of Java-based agent technology to impart control activity between source and sink, so that (for example), codecs can adapt to channel conditions, adaptive encryption of sensitive d... View full abstract»

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  • An interactive system for computer-aided retinal image analysis

    Publication Year: 1999, Page(s):184 - 189
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1176 KB)

    This paper presents a interactive system for analyzing images of the ocular fundus to defect and quantify lesions associated with retinal diseases such as age-related maculopathy and diabetic retinopathy. Using inexpensive WindowsTM technology, the system combines low-level pattern recognition with a graphical user interface to facilitate interactive segmentation and labelling of fundus... View full abstract»

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  • Compression of sequential images

    Publication Year: 1999, Page(s):272 - 276
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (144 KB)

    We consider compressing sequential images (i.e., images with a strong correlation which are not time-dependent, such as proximal MR/CT slices or the image dataset from the visible human project) using neural nets. The basic idea is that compression takes place in the encoding of the outputs of the hidden layer, which is then transmitted to the receiver View full abstract»

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  • A virtual machine for a functional mobile agent architecture supporting distributed medical information

    Publication Year: 1999, Page(s):177 - 182
    Cited by:  Papers (2)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (168 KB)

    A virtual machine supporting mobile software agents using the functional programming paradigm is presented. This virtual machine provides for the application developer a rich and robust platform on which to develop distributed mobile agent applications, specifically when targeting distributed medical information and distributed image processing. The functional paradigm provides the virtual machine... View full abstract»

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  • Performance of lossy compression algorithms from statistical and perceptual metrics

    Publication Year: 1999, Page(s):242 - 247
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (136 KB)

    The performance of compression algorithms is traditionally evaluated by statistical metrics such as mean square error (MSE) and peak signal-to-noise ratio (PSNR). However it is well known that these metrics do not always correlate with visual perception. We have implemented a well known perceptual metric and evaluated the performance of a number of recently developed high fidelity compression algo... View full abstract»

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  • Human exposure to extremely-low and very-low frequency magnetic fields in living and working environments

    Publication Year: 1999, Page(s):264 - 270
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (112 KB)

    The study of the human exposure to extremely-low frequency (ELF) and very-low frequency (VLF) magnetic fields have been found to cause health effects, such as leukemia, brain tumors and breast cancer. Three most commonly used composite environments, home, school and office, having various field-emitting devices such as a TV, microwave oven, monitor, computer, etc., were chosen for research. Both t... View full abstract»

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  • An efficient sparse matrix based parallel image reconstruction algorithm for PET on SP2

    Publication Year: 1999, Page(s):171 - 176
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (40 KB)

    The expectation maximization algorithm is an iterative method frequently mentioned in solving the incomplete data problems since its birth in the 1970s. Despite its capability in data approximation, the method has not been widely used in practice due to the huge amount of data involved in the intensive matrix-vector multiplication. We propose a novel technique in speeding up the computation time b... View full abstract»

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  • HIVPCES: a WWW-based HIV patient care expert system

    Publication Year: 1999, Page(s):214 - 219
    Cited by:  Papers (4)  |  Patents (15)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (20 KB)

    Diagnosing HIV-patients and prescribing the correct drug regimen can be a complex task whose outcome is dependent on a large number of variables. The cost of an incorrectly administered drug even for a very short time, can be enormous. In this paper, the implementation of an interactive expert system to diagnose HIV patients that runs on World Wide Web clients is discussed. The system is managed c... View full abstract»

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  • Xyntagma: a graphical query interface for the ACeDB genome databases

    Publication Year: 1999, Page(s):234 - 239
    Cited by:  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (204 KB)

    As the number of non-expert database users who wish to access genome databases directly grows, it becomes increasingly imperative to develop an easy-to-use query interface for such databases. Relying on a graphical solution is one way of addressing the problem. A graphical query interface provides a built-in schema browsing mechanism, which enables users to express queries more easily than with a ... View full abstract»

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  • Texture analysis to characterize strain distribution in elastograms

    Publication Year: 1999, Page(s):124 - 129
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (44 KB)

    Elastography is an upcoming and promising imaging modality which is used to map as an image, termed elastogram, information related to tissue elastic properties. An elastogram reflects strain information resulting from an applied stress. This paper presents a study of various image texture features as applied to simulated elastograms for the purpose of obtaining effective texture features. These f... View full abstract»

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  • PACS for teleradiology

    Publication Year: 1999, Page(s):6 - 11
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (932 KB)

    In this paper a complete concept will be shown, to build a cheap, modular internet/intranet-based radiologic information system for hospitals or settled MDs. The goal of this system is to achieve internal/external access to DICOM-data, which are produced and archived in the several image-producing departments. Using the DICOM-standard as well as modern, platform independent Java programming and in... View full abstract»

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  • Multiple comparisons and the p-value in evaluation

    Publication Year: 1999, Page(s):260 - 263
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (436 KB)

    When evaluating a technique or tool, multiple comparisons are usually made. Physically this is extremely easy with modern computers. Interpretation can be another question. This is an important situation with respect to the observed p-value or level of statistical significance. The evaluation of questions for medical research demonstrates the problems which arise View full abstract»

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  • Asynchronous, parallel pseudo-Gibbs classification of the VF dataset

    Publication Year: 1999, Page(s):164 - 170
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (212 KB)

    The cryosectioned visible female dataset is a massive dataset spanning the length of the body in 0.33 mm slices. It is infeasible to compute globally over this dataset. However, even when local computations are considered, the dataset is large enough to merit partitioning. In the case of Gibbs classification, such partitioning is inimical to the goal of Gibbs classification. We discuss a parameter... View full abstract»

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  • The algorithm for detecting critical conditions during anesthesia

    Publication Year: 1999, Page(s):208 - 213
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (32 KB)

    The complexity of modern anesthesia procedures requires the development of decision support systems functioning in a smart-alarm capacity. Based on computerized anesthesia records containing hemodynamic data (heart rate, mean arterial pressure and systolic arterial pressure) and assessments made by experienced anesthesiologists reviewing printed anesthesia records, we have developed rule-based com... View full abstract»

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  • Detection and identification communication protocols for wireless biodevice networks

    Publication Year: 1999, Page(s):228 - 233
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (92 KB)

    This paper presents the definition and analysis of three detection and identification protocols for a future wireless biodevice network (WBDN). These protocols represent the first part of a complete communication protocol for a WBDN. The number of detected and identified biodevices depends only on the time the user accepts to assign for the detection and identification phase of a communication ses... View full abstract»

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  • Higher-order statistics used for decomposition of SEMGs

    Publication Year: 1999, Page(s):72 - 77
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (212 KB)

    The paper describes a higher-order statistics (HOS) approach feasible for decomposition of compound signals. Our novel method introduces asymptotically exact interpolation-based computation of bicepstra with no aliasing. We analysed it in order to establish the conditions under which surface electromyograms (SEMGs) could be decomposed onto their building components, i.e. motor-unit action potentia... View full abstract»

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  • Learning feature selection for medical databases

    Publication Year: 1999, Page(s):53 - 58
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (124 KB)

    In many application areas, as in medicine, knowledge is discovered from large databases using data mining methods. It is evident that quite often even with static data mining methods the accuracy of the results of data mining is better if fewer features are selected or if the classification task is divided into sub tasks guided by the heterogeneity of the feature space. On the other hand, one of t... View full abstract»

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  • Evaluating breastfeeding advantages using decision trees

    Publication Year: 1999, Page(s):144 - 149
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (284 KB)

    Decision support systems that help physicians are becoming a very important part of medical decision making. They are based on different models and the best of them are providing an explanation together with an accurate, reliable and quick response. One of the most viable among these models are decision trees, already successfully used for many medical decision making purposes. Although effective ... View full abstract»

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