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This paper deals with parallelisation and implementation aspects of PDE-based image processing models for large cluster environments with distributed memory. As an example we focus on nonlinear diffusion filtering which we discretise by means of an additive operator splitting (AOS). We start by decomposing the algorithm into small modules that shall be(More)
This paper deals with parallelization and implementation aspects of PDE based image processing models for large cluster environments with distributed memory. As an example we focus on nonlinear isotropic diffusion filtering which we discretize by means of an additive operator splitting (AOS). We start by decomposing the algorithm into small modules that(More)
Medicine as knowledge-intensive domain has been the subject of various approaches of computer-based knowledge management. Most of them concentrated on the design and implementation of expert systems for clinical decision support. Today, medical knowledge bases are implemented for various purposes, including encyclopedic sources of information for(More)
BACKGROUND Communication media commonly used in medicine today no longer meet the needs brought on by the present knowledge explosion. The Heidelberg medrapid project has been developed to quickly communicate high-quality clinical knowledge to physicians. METHODS In this paper, medrapid is introduced as an online clinical knowledge resource, and the(More)
Objective: currently, it takes at least 6 months for researchers to communicate their results. This delay is caused (a) by partial lacks of machine support for both representation as well as communication and (b) by media breaks during the communication process. Methods: To make an integrated communication between researchers and practitioners possible, a(More)
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