A colour display unit for a 21-channel EEG-monitor

A system for the simultaneous display of several functions of one or two variables has been developed. One-variable functions are represented by their graphs, while two-variable functions are displayed by means of contour maps, with a light intensity proportional to the displayed value. By assigning...

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Bibliographic Details
Published in:Computer graphics (New York, N.Y.) N.Y.), 1979-08, Vol.13 (2), p.210-217
Main Authors: Paternoster, R. H., Bousse, L. J., Steenhaut, O. L.
Format: Article
Language:English
Subjects:
Applied computing
Approximation algorithms
Architectures
Computer graphics
Computer systems organization
Computers in other domains
Computing methodologies
Discrete mathematics
Graph theory
Graphics systems and interfaces
Mathematics of computing
Other architectures
Real-time systems
Special purpose systems
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Summary:A system for the simultaneous display of several functions of one or two variables has been developed. One-variable functions are represented by their graphs, while two-variable functions are displayed by means of contour maps, with a light intensity proportional to the displayed value. By assigning a fixed colour to each contour map, it is possible to superimpose different maps without losing charity. The display unit is connected with a microprocessor system, which allows the real-time calculation and display of time-changing functions. The primary application of the system is the representation of the distribution of the spectral contents of EEG (electro-encephalographic) signals on the surface of the head.
ISSN:0097-8930
1558-4569
DOI:10.1145/965103.807446