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Cubic Spline Generation by Point Extrapolation

Koichi HARADA, Eihachiro NAKAMAE

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Summary :

Generation of line-drawing images in intelligent terminals seems to be an important theme in the area of computer graphics because of the recent architectures of computer systems. Required operations for the image generation should be local (or incremental), and each operation has to be carried out with limited amount of calculations and memories. The authors have reported the five-point method for this purpose. In this paper, the three-point method is newly investigated as a further study on this line. Traditional three-point methods cannot be applicable as their undulations" owing to the truncation of data points for local processing appear. Therefore, several types of estimations" are introduced in order to compensate the truncation; they are compared in view of derived results and required calculational steps, and one of the methods is recommended as the most useful local algorithm.

Publication
IEICE TRANSACTIONS on transactions Vol.E66-E No.1 pp.28-33
Publication Date
1983/01/25
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Computers

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