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JOURNAL OF LATEX CLASS FILES, VOL. ?, NO. ??, ?? 2006 1 Blockwise processing applied to brain

Summary: JOURNAL OF LATEX CLASS FILES, VOL. ?, NO. ??, ?? 2006 1
Blockwise processing applied to brain
micro-vascular network study
C´eline Fouard, and Gr´egoire Malandain, and Steffen Prohaska, and Malte Westerhoff
Abstract-- The study of cerebral micro-vascular networks
requires high resolution images. However, to obtain statistically
relevant results, a large area of the brain (several square
millimeters) must be analyzed. This leads us to consider huge
images, too large to be loaded and processed at once in the
memory of a standard computer. To consider a large area, a
compact representation of the vessels is required. The medial
axis is the preferred tool for this application. To extract it,
a dedicated skeletonization algorithm is proposed. Numerous
approaches already exist which focus on computational efficiency.
However, they all implicitly assume that the image can be
completely processed in the computer memory, which is not
realistic with the large images considered here. We present in this
paper a skeletonization algorithm that process data locally (in
sub-images) while preserving global properties (i.e. homotopy).
We then show some results obtained on a mosaic of 3-D images


Source: Andrzejak, Artur - Konrad-Zuse-Zentrum für Informationstechnik Berlin


Collections: Computer Technologies and Information Sciences