HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Abstract Full Text Full Text (PDF) Submit a response Alert me when this article is cited Alert me when eLetters are posted Alert me if a correction is posted Services Email this article to a friend Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via Google Scholar Google Scholar Articles by Nowinski, W. L. Articles by Huang, S. Search for Related Content PubMed PubMed Citation Articles by Nowinski, W. L. Articles by Huang, S. Related Collections Neuroradiology Informatics

Informatics in Radiology (infoRAD)

Three-dimensional Atlas of the Brain Anatomy and Vasculature¹

¹ From the Biomedical Imaging Lab, Bioinformatics Institute, 30 Biopolis St no. 07–01, 138671 Singapore. Recipient of a Certificate of Merit award for an infoRAD exhibit at the 2003 RSNA Scientific Assembly. Received March 24, 2004; revision requested June 17 and received July 6; accepted July 21. Supported by the Biomedical Research Council of the Agency for Science, Technology and Research, Singapore. All authors have no financial relationships to disclose. Address correspondence to W.L.N. (e-mail: wieslaw@bii.a-star.edu.sg).

View larger version (48K): [in a new window]   Figure 1.  Vessel segmentation. Original axial MR angiographic image (left) is shown after enhancement (center), with segmented vessels displayed before manual editing (right).

View larger version (16K): [in a new window]   Figure 2a.  Radius processing. (a) Graph illustrates the distribution of radial measurements along a sample vessel segment before and after smoothing. (b, c) Histograms show the distribution of radial measurements before (b) and after (c) smoothing.

View larger version (19K): [in a new window]   Figure 2b.  Radius processing. (a) Graph illustrates the distribution of radial measurements along a sample vessel segment before and after smoothing. (b, c) Histograms show the distribution of radial measurements before (b) and after (c) smoothing.

View larger version (19K): [in a new window]   Figure 2c.  Radius processing. (a) Graph illustrates the distribution of radial measurements along a sample vessel segment before and after smoothing. (b, c) Histograms show the distribution of radial measurements before (b) and after (c) smoothing.

View larger version (22K): [in a new window]   Figure 3.  Bifurcation surface refinement with B-subdivision. Three-dimensional images illustrate steps 0 (left), 1 (center), and 2 (right).

View larger version (46K): [in a new window]   Figure 4.  User interface. Screen shows the atlas viewing area, anatomic (top right) and vascular (bottom right) indexes, atlas navigation panel (top), and control panel (left).

View larger version (50K): [in a new window]   Figure 5a.  Selection of multiple structures. Screens show selection of all anatomic structures (a) and all vascular segments (b), some of which are labeled in each case.

View larger version (60K): [in a new window]   Figure 5b.  Selection of multiple structures. Screens show selection of all anatomic structures (a) and all vascular segments (b), some of which are labeled in each case.

View larger version (52K): [in a new window]   Figure 6.  Selection of individual structures. Atlas viewing area displays the corpus callosum, together with all vascular segments.

View larger version (89K): [in a new window]   Figure 7.  Detailed depiction of combined structures. Atlas viewing area demonstrates the circle of Willis and the surrounding anatomy.