NDLI: Mean Shift Particle-Based Texture Granularity

Content Provider	IEEE Xplore Digital Library
Author	Dosselmann, R. Xue Dong Yang
Copyright Year	2008
Description	Author affiliation: Dept. of Comput. Sci., Univ. of Regina, Regina, SK (Dosselmann, R.; Xue Dong Yang)
Abstract	This paper defines a new measure of texture granularity based on image particles obtained via the mean shift segmentation algorithm. A given texture is segmented a number of times to produce a scale-space hierarchy of increasingly finer images. In each instance, the segmented texture of the previous layer is used as a mask in the segmentation of the current layer. In this way, finer regions are forced to become nested within the larger enclosing regions of the previous layer. Next, the numerical differences between each layer and its predecessor are computed. Empirical evidence indicates that the most accurate estimate of the actual texture particle size occurs between the two layers of greatest numerical difference. Using this difference information, the overall granularity of the texture is calculated. Unlike existing measures of granularity which focus mainly on gray-level variations, this measure describes a texture's granularity in terms of its intrinsic micro structure. It is expected that this interpretation of granularity will more closely approximate that of the human visual system.
Starting Page	101
Ending Page	106
File Size	2911184
Page Count	6
File Format	PDF
ISBN	9781424415403
ISSN	10915281
DOI	10.1109/IMTC.2008.4547012
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-12
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image segmentation Humans Visual system Image quality Particle measurements Shape measurement Pixel Instrumentation and measurement Computer science Microstructure human visual system granularity level-of-detail mean shift segmentation scale-space
Content Type	Text
Resource Type	Article
Subject	Instrumentation Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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