FAST EDGE-GUIDED INTERPOLATION OF COLOR IMAGES

Amin Behnad; Konstantinos N. Plataniotis

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Paper

FAST EDGE-GUIDED INTERPOLATION OF COLOR IMAGES

Topics: Image and Video Processing

In Proceedings of the International Conference on Signal Processing and Multimedia Applications - Volume 0ICETE, 103-107, 2010 , University of Piraeus, Greece

Authors: Amin Behnad and Konstantinos N. Plataniotis

Affiliation: University of Toronto, Canada

Keyword(s): Color images, Interpolation, Real-time applications.

Related Ontology Subjects/Areas/Topics: Image and Video Processing, Compression and Segmentation ; Multimedia ; Multimedia Signal Processing ; Telecommunications

Abstract: We propose a fast adaptive image interpolation method for still color images which is suitable for real-time applications. The proposed interpolation scheme combines the speed of fast linear image interpolators with advantages of an edge-guided interpolator. A fast and high performance image interpolation technique is proposed to interpolate the luminance channel of low-resolution color images. Since the human visual system is less sensitive to the chrominance channels than the luminance channel, we interpolate the former with the fast method of bicubic interpolation. This hybrid technique achieves high PSNR and superior visual quality by preserving edge structures well while maintaining a low computational complexity. As verified by the simulation results, interpolation artifacts (e.g. blurring, ringing and jaggies) plaguing linear interpolators are noticeably reduced with our method.

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Paper citation in several formats:

Behnad, A. and N. Plataniotis, K. (2010). FAST EDGE-GUIDED INTERPOLATION OF COLOR IMAGES. In Proceedings of the International Conference on Signal Processing and Multimedia Applications (ICETE 2010) - SIGMAP; ISBN 978-989-8425-19-5, SciTePress, pages 103-107. DOI: 10.5220/0002933401030107

@conference{sigmap10,
author={Amin Behnad. and Konstantinos {N. Plataniotis}.},
title={FAST EDGE-GUIDED INTERPOLATION OF COLOR IMAGES},
booktitle={Proceedings of the International Conference on Signal Processing and Multimedia Applications (ICETE 2010) - SIGMAP},
year={2010},
pages={103-107},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002933401030107},
isbn={978-989-8425-19-5},
}

TY - CONF

JO - Proceedings of the International Conference on Signal Processing and Multimedia Applications (ICETE 2010) - SIGMAP
TI - FAST EDGE-GUIDED INTERPOLATION OF COLOR IMAGES
SN - 978-989-8425-19-5
AU - Behnad, A.
AU - N. Plataniotis, K.
PY - 2010
SP - 103
EP - 107
DO - 10.5220/0002933401030107
PB - SciTePress