NDLI: Pre-Indexing for Fast Partial Shape Matching of Vertebrae Images

Content Provider	IEEE Xplore Digital Library
Author	Xiaoqian Xu Lee, D.J. Antani, S. Long, L.R.
Copyright Year	2006
Description	Author affiliation: Dept. of ECEn, Brigham Young Univ., Provo, UT (Xiaoqian Xu; Lee, D.J.)
Abstract	Fast retrieval of images from large databases especially from large medical image databases is of great interest to researchers. We have developed shape-based image retrieval system for spine X-ray images that applies dynamic programming (DP) in partial shape matching (PSM) techniques to vertebral boundary data. As we enable Internet access to this system with an aim to enable CBIR access to the entire NHANES II spine X-ray image collection, retrieval efficiency has become critical. In this paper, we present enhancements to our existing sequential retrieval model to provide faster partial-shape-based vertebrae retrieval. Based on the characteristics of vertebral osteophyte pathology, anterior superior and anterior inferior parts are the areas with the most interest to the users and are indexed for each shape. Pair-wise distances between indexed parts are pre-calculated and used by agglomerative clustering algorithm to index the whole database. To increase the retrieval speed, PSM with DP is therefore conducted only on a small selected set of shapes by the pre-indexing retrieval
Starting Page	105
Ending Page	110
File Size	246992
Page Count	6
File Format	PDF
ISBN	0769525171
ISSN	10637125
DOI	10.1109/CBMS.2006.129
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-22
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Shape Spine Image retrieval Information retrieval Image databases X-ray imaging Biomedical imaging Dynamic programming Internet Pathology
Content Type	Text
Resource Type	Article
Subject	Radiology, Nuclear Medicine and Imaging Computer Science Applications

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