2016Michels Heterogeneous

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Michels, Y. & Baudrier, É. Retrieving the parameters of cryo Electron Microscopy dataset in the heterogeneous ab-initio case. 2016 IEEE International Conference on Image Processing (ICIP), 2016, 3189-3193


A cryo Electron Microscopy dataset is composed on tomo- graphic projections of an object (e.g. a macromolecule). The projection orientation information is unknown. The scope of this paper is the projection parameterization in the case of a deformable object. An overview of the parametrization meth- ods is presented. Then a new approach based on manifold learning is detailed. Finally, an evaluation method for each substep of the parameterization is proposed. The resulting evaluation of the different methods on a 2D synthetic database shows the efficiency of our approac




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