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Mechanical and Imaging Models-based Image Registration

Abstract : Image registration plays an increasingly important role in many fields such as biomedical or mechanical engineering. Generally speaking, it consists in deforming a (moving) source image to match a (fixed) template image. Many approaches have been proposed over the years; if new model-free machine learning-based approaches are now beginning to provide robust and accurate results, extracting motion from images is still most commonly based on combining some statistical analysis of the images intensity and some model of the underlying deformation as initial guess or regularizer. These approaches may be efficient even for complex type of motion; however, any artifact in the source image (e.g., partial voluming, local decrease of signal-to-noise ratio or even local signal void), drastically deteriorates the registration. This paper introduces a novel approach of extracting motion from biomedical image series, based on a model of the imaging modality. It is, to a large extent, independent of the type of model and image data-the prerequisite is to incorporate biomechanical constraints into the motion of the object (organ) of interest and being able to generate data corresponding to the real image, i.e., having an imaging model at hand. We will illustrate the method with examples of synthetically generated 2D tagged magnetic resonance images.
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Contributor : Radomir Chabiniok <>
Submitted on : Wednesday, July 17, 2019 - 2:40:56 PM
Last modification on : Wednesday, October 14, 2020 - 4:20:43 AM


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Kateřina Škardová, Matthias Rambausek, Radomir Chabiniok, Martin Genet. Mechanical and Imaging Models-based Image Registration. VipIMAGE 2019 - VII ECCOMAS Thematic Conference on Computational Vision and Medical Image Processing, Oct 2019, Porto, Portugal. ⟨10.1007/978-3-030-32040-9_9⟩. ⟨hal-02186828⟩



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