NDLI: Interactive Natural Image Segmentation via Spline Regression

Content Provider	IEEE Xplore Digital Library
Author	Shiming Xiang Feiping Nie Chunxia Zhang Changshui Zhang
Copyright Year	1992
Abstract	This paper presents an interactive algorithm for segmentation of natural images. The task is formulated as a problem of spline regression, in which the spline is derived in Sobolev space and has a form of a combination of linear and Green's functions. Besides its nonlinear representation capability, one advantage of this spline in usage is that, once it has been constructed, no parameters need to be tuned to data. We define this spline on the user specified foreground and background pixels, and solve its parameters (the combination coefficients of functions) from a group of linear equations. To speed up spline construction, K-means clustering algorithm is employed to cluster the user specified pixels. By taking the cluster centers as representatives, this spline can be easily constructed. The foreground object is finally cut out from its background via spline interpolation. The computational complexity of the proposed algorithm is linear in the number of the pixels to be segmented. Experiments on diverse natural images, with comparison to existing algorithms, illustrate the validity of our method.
Sponsorship	IEEE Signal Processing Society
Page Count	10
File Size	1034800
Starting Page	1623
Ending Page	1632
File Format	PDF
ISSN	10577149
Volume Number	18
Issue Number	7
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-07-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image segmentation Spline Clustering algorithms Laboratories Automation Equations Interpolation Computational complexity Image processing Surges spline regression Interactive natural image segmentation K-means clustering
Content Type	Text
Resource Type	Article
Subject	Computer Graphics and Computer-Aided Design Software

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