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  • 1
    Digitale Medien
    Digitale Medien
    A visual field quantification system for the Goldmann Perimeter (1992)
    Springer
    Journal of medical systems 16 (1992), S. 161-169 
    Details
    ISSN: 1573-689X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract We have developed a visual field quantification system that can accurately quantify the measurement results by the Goldmann Perimeter (GP). This system calculates the plural indexes introduced in published papers. In recent years, several isopter quantification methods have been proposed. In these methods, the isopters are digitized and the data are input into a computer, after which a computer program evaluates the changes in the isopters quantitatively. However, each program is only able to evaluate private indexes. We have developed a system that quantifies data using multiple methods. This system used five methods that have been introduced in published papers. With this system, a physician can analyze GP data with multiple methods and can diagnose diseases accurately. We have already input about 2500 GP recording papers into the computer by this system. We then calculated the plural indexes, and visualized the temporal changes in the perimetry.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00999378
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    The effect of a multiple literature database search—A numerical evaluation in the domain of Japanese life science (1992)
    Springer
    Journal of medical systems 16 (1992), S. 177-181 
    Details
    ISSN: 1573-689X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract In literature database searching, we show that it is necessary to use plural databases for a more improved search. We also compare the results of a single database search with that of multiple database search in the domain of Japanese life sciences. We searched the MEDLINE and EMBASE using the same search terms. There were some differences in the results, owing to differences in the journals and recording methods. We herein show some of the differences in the journals contained in both databases. Furthermore, we show the differences in the number of papers derived from the same journal. Next, as an example of a practical search, we selected some universities in Japan, searched both databases regarding papers published from these universities and then merged the results by hand. According to our results, only 63% of all papers were common to both databases.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00999380
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    A flexible random allocation program for multi-institutional clinical trials (1994)
    Springer
    Journal of medical systems 18 (1994), S. 39-53 
    Details
    ISSN: 1573-689X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract This paper describes a flexible random allocation program that assigns treatments to patients according to their prognostic factors in multi-institutional clinical trials. The source lists are available in the appendix of this paper. This program is based on Pocock and Simon's minimization method and Zelen's method for institution balancing. The numbers of institutions, treatments, and prognostic factors can be set arbitrarily. The maximum number of institutions, treatments, or prognostic factors that can be accommodated by the program is limited only by the size of the main memory. For example, an IBM-PC with a 640KB main memory can run a program of 1500 institutions, 4 treatments and 20 prognostic factors.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00999323
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    A visual data analysis system for the medical image processing (1994)
    Springer
    Journal of medical systems 18 (1994), S. 151-157 
    Details
    ISSN: 1573-689X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract We developed a visual data analysis system that can easily manage a large volume of medical imaging data. This system can analyze sets of imaging data using general image processing methods, so that various kinds of medical imaging data such as ECG charts, X ray image films, and MRI images, can be processed. The system has a graphical user interface (GUI). A physician who is novice at the system can manipulate the imaging data intuitively by pull down menus, pop up menus and buttons within the window system. The system can run on a standard UNIX workstation which is faster and more powerful than most personal computers. The system needs an X window system/Motif and C compiler. These are standard system programs already available on most UNIX workstations. The source code of the system can be retrieved from our anonymous ftp site via Internet.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00997293
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 5
    Digitale Medien
    Digitale Medien
    Micro-mainframe-link Personal Clinical Research System (1991)
    Springer
    Journal of medical systems 15 (1991), S. 221-227 
    Details
    ISSN: 1573-689X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract We constructed a micro-mainframe-link clinical research system for personal use (Personal Clinical Research System). This system was developed with both a mainframe computer and a personal computer (PC). The prepared programs included a database manager (on the mainframe computer), a user interface program (on the PC), and a communication control program that connected the mainframe computer with the PC. The database on the mainframe computer was constructed by two methods. The first method was to transmit data from the PC to the mainframe computer. The second method was to extract data from the patient information database. Using this system, a physician is able to construct a personal research database that contains interesting data for the physician. In addition, the physician is able to accumulate data on a special field using this system. A discharge summary system is now in operation as an example of this system.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00996551
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 6
    Digitale Medien
    Digitale Medien
    A random allocation system with the minimization method for multi-institutional clinical trials (1991)
    Springer
    Journal of medical systems 15 (1991), S. 311-319 
    Details
    ISSN: 1573-689X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract This paper describes the random allocation system used to perform precise and rapid treatment assignments in multi-institutional clinical trials. This system is based on sophisticated randomization procedures, according to Pocock and Simon's minimization method and Zelen's method for institution balancing. The major advantage of randomized treatment assignments with this system is to balance treatment numbers for each level of various prognostic factors over the entire trial and at the same time balance the allocation of treatments within an institution. Therefore, the randomized treatment assignments by this system can prevent degrading of the statistical power of a particular treatment factor. This system is designed to run on a small-sized notebook computer and therefore can be set up beside a telephone for registration, without occupying a large space. At present, this system is conveniently being used in two clinical trials.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00999168
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 7
    Digitale Medien
    Digitale Medien
    A general purpose neural network simulator system for medical data processing (1994)
    Springer
    Journal of medical systems 18 (1994), S. 305-314 
    Details
    ISSN: 1573-689X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract We developed a general purpose neural network simulator system for medical data processing. This system has a flexible network definition language. Users can define arbitrary hierarchical neural networks using the definition language to analyze medical data that contains some complex patterns. The learning algorithm used in this system is back propagation. Learning curves are displayed on multiple windows. This is a general purpose system, so it can be used for various kinds of medical data processing such as one dimensional signal processing or two dimensional image processing. The system can run on a standard UNIX workstation, which is faster and more powerful than most personal computers. The system needs an X window system/Motif Motif and C compiler. These are standard system programs already available on most UNIX workstations. The source code of the system can be retrieved from our anonymous ftp site via Internet.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00999272
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 8
    Digitale Medien
    Digitale Medien
    A quantitative color recognition measurement system using multimedia computer environment (1995)
    Springer
    Journal of medical systems 19 (1995), S. 475-483 
    Details
    ISSN: 1573-689X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract We developed a quantitative measurement system that tests the degree of dysgnosia resulting from Obsessive-Compulsive Disorder (OCD). The system outputs a stimulation word that had been set in advance using the voice output facility of the personal computer, then displays a color chart and waits for input from the subject. When the subject touches the CRT screen or clicks the mouse, the system records the response time and coordinates of input position. There were 30 stimulation words in the system. After 30 measurements of response time and input coordinates, the system outputs a results file that includes each response time and input coordinates. This test is easier and simpler than other psychological tests such as MMPI. The influence of the examiner can be reduced to the minimum with this system because it is a computer-based automatic measurement system. To use the computer system, an examiner can easily standardize the environment of the illumination, etc. Moreover, the system can save labor in testing, and can manage large amounts of data easily using the file management facility.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02260851
    Standort Signatur Einschränkungen Verfügbarkeit
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