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Geometric Aspects in 3D Biomedical Image Processing

P. Thévenaz, M. Unser

Association suisse de microtechnique (schweizerische Gesellschaft für Mikrotechnik), Bulletin ASMT/SGMT no. 22, Microvision et capteurs optiques, Journées de microtechnique, Lausanne VD, Swiss Confederation, October 1-2, 1998, pp. 5-10.


We present some issues that arise when a geometric transformation is performed on an image or a volume. In particular, we illustrate the well-known problems of blocking, blurring, aliasing and ringing. Although the solution to these problems is trivial in an analog (optical) image processing system, their solution in a discrete (numeric) context is much more difficult. The modern trend of biomedical image processing is to fight these artifacts by using more sophisticated models that emphasize the quality of interpolation. For example, spline kernels offer excellent performances for a low computational cost; in addition, this compromise can be tuned by controlling the degree of the spline.

@ARTICLE(http://bigwww.epfl.ch/publications/thevenaz9802.html,
AUTHOR="Th{\'{e}}venaz, P. and Unser, M.",
TITLE="Geometric Aspects in {3D} Biomedical Image Processing",
JOURNAL="Association suisse de microtechnique (schweizerische
	Gesellschaft f{\"{u}}r Mikrotechnik), Bulletin {ASMT/SGMT} no. 22,
	Microvision et capteurs optiques",
YEAR="1998",
volume="",
number="",
pages="5--10",
month="October 1-2,",
note="Journ{\'{e}}es de microtechnique, Lausanne VD, Swiss Confederation")
© 1998 ASMT/SGMT. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from ASMT/SGMT. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.
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