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Advanced image processing in radiology

Department of Medical Physics, University College London, Gower Street, London WC1E 6BT, UK and INSERM U494, Paris, France

• Radiology is in the process of making a transition between "analogue" imaging and digital imaging and between two-dimensional and three-dimenstional imaging.
  
• Advanced processing methods need to incorporate clinical knowledge and be defined using clinical constraints.
  
• Two classes of method are important: data driven and hypothesis driven.
  
• In the analysis of such data, tests against reference data sets (atlases) are required.
  
• The availability of distributed image processing and data, usually called "grid" computing, is likely to significantly change the types of methods used and their availability.