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Proceedings Paper

Image processing with JPEG2000 coders
Author(s): Przemysław Śliwiński; Czesław Smutnicki; Artur Chorażyczewski
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Paper Abstract

In the note, several wavelet-based image processing algorithms are presented. Denoising algorithm is derived from the Donoho's thresholding. Rescaling algorithm reuses sub-division scheme of the Sweldens' lifting and a sensor linearization procedure exploiting system identification algorithms developed for nonlinear dynamic systems. Proposed autofocus algorithm is a passive one, works in wavelet domain and relies on properties of lens transfer function. The common advantage of the algorithms is that they can easily be implemented within the JPEG2000 image compression standard encoder, offering simplification of the final circuitry (or the software package) and the reduction of the power consumption (program size, respectively) when compared to solutions based on separate components.

Paper Details

Date Published: 25 April 2008
PDF: 8 pages
Proc. SPIE 7000, Optical and Digital Image Processing, 70001G (25 April 2008); doi: 10.1117/12.781516
Show Author Affiliations
Przemysław Śliwiński, Wrocław Univ. of Technology (Poland)
Czesław Smutnicki, Wrocław Univ. of Technology (Poland)
Artur Chorażyczewski, Wrocław Univ. of Technology (Poland)


Published in SPIE Proceedings Vol. 7000:
Optical and Digital Image Processing
Peter Schelkens; Touradj Ebrahimi; Gabriel Cristóbal; Frédéric Truchetet, Editor(s)

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