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Proceedings Paper

Parameterized four direction contour-invariant extrapolator for DPCM image compression
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Paper Abstract

In this paper, a parameterized four direction contour-invariant extrapolator for differential pulse code modulation (DPCM) image compression is presented. Two calculation methods for extrapolation are available - linear and nonlinear one. Chosen method for extrapolation depends on the presence of a contour inside the vicinity of every processed pixel. Parameter responsible for the choice of calculation method is optimized before compression during recursive image size independent learning procedure. Computational experiments are carried out on a test set of images in order to examine proposed extrapolator. The advantage in terms of RMS error of proposed extrapolator over other ones on a certain types of images is shown.

Paper Details

Date Published: 9 August 2018
PDF: 10 pages
Proc. SPIE 10806, Tenth International Conference on Digital Image Processing (ICDIP 2018), 108064E (9 August 2018); doi: 10.1117/12.2503003
Show Author Affiliations
Mikhail Gashnikov, Samara Univ. (Russian Federation)
Aleksei Maksimov, Samara Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 10806:
Tenth International Conference on Digital Image Processing (ICDIP 2018)
Xudong Jiang; Jenq-Neng Hwang, Editor(s)

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