NDLI: Segmenting color images using normalized deviation body reflectance

Content Provider	IEEE Xplore Digital Library
Author	Lifeng Liu Guangyou Xu
Copyright Year	1996
Description	Author affiliation: Dept. of Comput. Sci. & Technol., Tsinghua Univ., Beijing, China (Lifeng Liu)
Abstract	Reliable feature detection is the basis of image segmentation. Color is the intrinsic feature of the object surface. Hence color could be regarded as the important feature for image segmentation. In the light of this fact, this paper presents a segmentation method of color images, which is based on the normalized deviation body reflectance (NDBR) of the objects. NDBR has the novel feature of resisting the influence of the illumination and the geometry conditions. So far it represents the intrinsic color property of the object, and can be utilized as the reliable evidence for segmentation and recognition. There existed highlights, shading areas, and shadows in the experiment images. Therefore we process these areas respectively through the initial segmentation. Through looking into the properties of the NDBR feature, we find out that the NDBR feature represents hue information of the object. Therefore, we combine saturation and intensity information together with the NDBR feature so as to improve the reliability of segmentation. Also, we present a fast algorithm to extract the NDBR feature from color signals. In addition, in order to improve the reliability of the segmentation, a region-merging technique constrained by a neighboring relation and notable edge information is proposed in our segmentation method. This paper includes experiment results and analysis of the results.
Starting Page	487
Ending Page	492
File Size	666239
Page Count	6
File Format	PDF
ISBN	0780332806
ISSN	1062922X
DOI	10.1109/ICSMC.1996.569840
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-10-14
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image segmentation Color Reflectivity Lighting Geometry Shape Cameras Feature extraction Reflection Vectors
Content Type	Text
Resource Type	Article

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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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