Texture segmentation using SOM and multi-scale bayesian estimation

  • Authors:
  • Tae Hyung Kim;Il Kyu Eom;Yoo Shin Kim

  • Affiliations:
  • Dept. Electronics Engineering, Pusan National University, Busan, Republic of Korea;Dept. Electronics Engineering, Pusan National University, Busan, Republic of Korea;Research Institute of Computer, Information and Communication, Pusan National Univesity, Busan, Republic of Korea

  • Venue:
  • ISNN'06 Proceedings of the Third international conference on Advnaces in Neural Networks - Volume Part II
  • Year:
  • 2006

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Abstract

This paper presents a likelihood estimation method from SOM (self organizing feature map), and texture segmentation is performed by using Bayesian estimation and SOM. Multi-scale wavelet coefficients are used as input for SOM, and likelihood probabilities for observations are obtained from trained SOMs. Texture segmentation is performed by the likelihood probability from trained SOMs and ML (maximum likelihood) classification. The result of texture segmentation is improved using contextual information. The proposed segmentation method performed better than segmentation method using HMT (hidden Markov trees) model. In addition, texture segmentation results by SOM and multi-scale Bayesian image segmentation technique called HMTseg also performed better than those by HMT and HMTseg.