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Proceedings Paper

New digital image interpolation technique
Author(s): Carlos Augusto Paiva da Silva Martins; Sergio Takeo Kofuji
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Paper Abstract

We present a new digital image interpolation technique and analyze its use in digital photography. Our main goal is generate interpolated images with high quality, eliminating or drastically reducing distortions caused by reconstruction error. Our initial hypothesis is that interpolation techniques with frequency response closer to ideal reconstruction can reduce or eliminate reconstruction error, improving image quality. The proposed technique is a new 2D third-order filter, implementing discrete convolution between image samples and interpolation coefficients that are different for each interpolated pixel. To validate the proposed technique, we compared it with piecewise constant, linear and cubic interpolators.

Paper Details

Date Published: 15 May 2000
PDF: 12 pages
Proc. SPIE 3965, Sensors and Camera Systems for Scientific, Industrial, and Digital Photography Applications, (15 May 2000); doi: 10.1117/12.385457
Show Author Affiliations
Carlos Augusto Paiva da Silva Martins, Pontificia Univ. Catolica de Minas Gerais (Brazil)
Sergio Takeo Kofuji, Univ. de Sao Paulo (Brazil)


Published in SPIE Proceedings Vol. 3965:
Sensors and Camera Systems for Scientific, Industrial, and Digital Photography Applications
Morley M. Blouke; Nitin Sampat; Thomas Yeh; Nitin Sampat; George M. Williams; Thomas Yeh, Editor(s)

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