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Authors: Lassi Korhonen and Keijo Ruotsalainen

Affiliation: University of Oulu, Finland

Keyword(s): Spectral Clustering, Image Segmentation, Diffusion.

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

Abstract: Different clustering algorithms are widely used for image segmentation. In recent years, spectral clustering has risen among the most popular methods in the field of clustering and has also been included in many image segmentation algorithms. However, the classical spectral clustering algorithms have their own weaknesses, which affect directly to the accuracy of the data partitioning. In this paper, a novel clustering method, that overcomes some of these problems, is proposed. The method is based on tracking the time evolution of the connections between data points inside each cluster separately. This enables the algorithm proposed to perform well also in the case when the clusters have different inner geometries. In addition to that, this method suits especially well for image segmentation using the color and texture information extracted from small regions called patches around each pixel. The nature of the algorithm allows to join the segmentation results reliably from different s ources. The color image segmentation algorithm proposed in this paper takes advantage from this property by segmenting the same image several times with different pixel alignments and joining the results. The performance of our algorithm can be seen from the results provided at the end of this paper. (More)

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Paper citation in several formats:
Korhonen, L. and Ruotsalainen, K. (2012). Diffusion Tracking Algorithm for Image Segmentation. In Proceedings of the International Conference on Signal Processing and Multimedia Applications and Wireless Information Networks and Systems (ICETE 2012) - SIGMAP; ISBN 978-989-8565-25-9, SciTePress, pages 45-55. DOI: 10.5220/0004055200450055

@conference{sigmap12,
author={Lassi Korhonen. and Keijo Ruotsalainen.},
title={Diffusion Tracking Algorithm for Image Segmentation},
booktitle={Proceedings of the International Conference on Signal Processing and Multimedia Applications and Wireless Information Networks and Systems (ICETE 2012) - SIGMAP},
year={2012},
pages={45-55},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004055200450055},
isbn={978-989-8565-25-9},
}

TY - CONF

JO - Proceedings of the International Conference on Signal Processing and Multimedia Applications and Wireless Information Networks and Systems (ICETE 2012) - SIGMAP
TI - Diffusion Tracking Algorithm for Image Segmentation
SN - 978-989-8565-25-9
AU - Korhonen, L.
AU - Ruotsalainen, K.
PY - 2012
SP - 45
EP - 55
DO - 10.5220/0004055200450055
PB - SciTePress