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  • Neural population activity  (1)
  • Signal-detection theory  (1)
  • myelin disorders  (1)
  • 1
    Electronic Resource
    Electronic Resource
    The significance of MRI in myelin disorders (1994)
    Springer
    Magnetic resonance materials in physics, biology and medicine 2 (1994), S. 191-201 
    Details
    ISSN: 1352-8661
    Keywords: white matter disorders ; myelin disorders ; MRI of myelin disorders ; pattern recognition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Physics
    Notes: Abstract Systematic analysis of white matter changes on magnetic resonance (MR) images has increased the diagnostic quality of MR interpretation. For that purpose, structural elements were defined, relevant to the distinction of disease groups. Per disease group histograms were obtained of the frequency of involvement of these structural elements. On the reverse, this database could be used as the basis of an expert system. Loaded with the data of a new case, the program comes up with a differential diagnosis and probability percentage with confidence intervals per diagnostic item. The program has helped in identifying MR patterns in rare disorders.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01705240
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Detectability index, likelihood ratio and diagnostic output as psychophysical measures for evaluation of medical image processing (1981)
    Springer
    Medical & biological engineering & computing 19 (1981), S. 597-604 
    Details
    ISSN: 1741-0444
    Keywords: Diagnostic image processing ; Diagnostic output ; Signal-detection theory
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract Signal-detection theory was used to study methods of measuring changes in diagnostic quality from medical image processing. Detectability index and likelihood ratio are applicable for purposes of comparison but they do not give an indication of the confidence with which a diagnosis has been made. Therefore a new measure for evaluation, the diagnostic output, is defined which incorporates this important aspect. This study describes experiments where four observers judge pictures of heart scintigrams in different stages of processing involving variations of resolution and brightness. The emphasis is on methods for evaluation of the diagnostic value of picture processing. Our conclusion is that the influence of the studied image-processing techniques can be well described using signaldetection theory, while the diagnostic output seems to be a well suited measure to represent diagnostic properties of stimulus and observer.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02442774
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  • 3
    Electronic Resource
    Electronic Resource
    Colour representation of biomedical data (1985)
    Springer
    Medical & biological engineering & computing 23 (1985), S. 343-351 
    Details
    ISSN: 1741-0444
    Keywords: Body surface mapping ; Colour coding ; Neural population activity ; Scintigraph segmentation ; Uniform chromaticity scale
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract Recent developments in digital display technology have opened a wide range of possibilities for biomedical imaging. The opportunity to use colour is an important feature of video-display systems in clinical practice. Colour coding of biomedical data is a complex matter, which, however, may lead in many cases to an enhanced diagnostic interpretation of the images displayed. In the paper procedures for colour mapping are described and illustrated by three practical examples in the fields of scintigraphy, electrocardiography and neurophysiology. The results show an extensive applicability for colour representation of biomedical data, provided the mapping procedures are carefully selected.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02441588
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