Generation of Grey Tones by Computer for Simulation of Visual Information Systems
- 1 July 1969
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Computers
- Vol. C-18 (7) , 642-643
- https://doi.org/10.1109/T-C.1969.222731
Abstract
It is the evaluation of the subjective fidelity which is of primary importance in any communication system where humans constitute the final information receiver. A method showing how to generate grey-tone increments by computer for displaying simulation results is described. The method is based on the fact that, by over-printing well-defined characters of a commercially available chain printer, grey tones can be produced. The set of characters and the number of overprints used is presented in matrix form.Keywords
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