NDLI: Color texture segmentation using quaternion-wavelet filters and SOM

Content Provider	IEEE Xplore Digital Library
Author	Sujaritha, M. Annadurai, S.
Copyright Year	2010
Description	Author affiliation: Department of Computer Science and Engineering, J. J. College of Engineering and Technology, Trichy, India (Sujaritha, M.) \|\| Directorate of Technical Education, Chennai, Tamilnadu, India (Annadurai, S.)
Abstract	This paper proposes a novel framework for color texture segmentation based on Discrete Reduced Biquaternion Fourier Transform (DRBFT) and Discrete Wavelet Transform (DWT). Reduced biquaternions (RB), which are an extension of the complex numbers, are used to characterize the color information. Multi-Channel wavelet filtering is used to extract the texture information at various scales from the LUV color space. Each wavelet channel (subband) is represented by a commutative Reduced Biquaternion representation. These color and texture descriptors are merged in the frequency domain inorder to reduce the time complexity of this convolution process. Amplitude features are computed from each color-texture channel. Every pixel in the image is described by a feature vector, formed by grouping the features of all the channels. Finally, SOM (Self-organizing Map) with adaptive learning rate is used to label the pixels. The proposed segmentation algorithm is experimented on some natural images from Berkeley segmentation database. The obtained results substantiate the feasibility of the method, whose performance is compared, for evaluation, with the popular JSEG algorithm and also with human-assisted segmentations.
Starting Page	1
Ending Page	9
File Size	1142906
Page Count	9
File Format	PDF
ISBN	9781424465910
e-ISBN	9781424465927
DOI	10.1109/ICCCNT.2010.5591748
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-29
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wavelet transforms Wavelet Image segmentation Fourier transforms Image color analysis Filtering Segmentation Self-organizing Map Color Commutative Reduced Biquaternions Texture Pixel
Content Type	Text
Resource Type	Article

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