Home About Research Publications Lectures Teaching Academic Collaborators Personalia Topics Projects Video Genome Efficient video representation, search, alignment, and copy detection using bioinformatics algorithms Metric learning Metric learning and similarity-preserving hashing, multimodal similarity learning. Symmetry, self-similarity, and structure Full and partial intrinsic symmetry and structure detection in non-rigid shapes Feature-based shape analysis Bags of geometric words and expressions for deformation- and topology-invariant shape retrieval in Internet-scale databases. Topology-invariant shape matching Similarity and correspondence of shapes with different topology. Non-rigid shape matching Deformation-invariant similarity and correspondence of non-rigid objects, metric models of shapes, Gromov-Hausdorff distance. Partial similarity of objects Partial similarity and correspondence of different objects, such as rigid and non-rigid shapes, images and text sequences. Expression-invariant face recognition Three-dimensional face recognition based on expression-invariant intrinsic geometric properties. Animation and texture mapping Texture mapping between non-rigid shapes, morphing and animation, shape spaces and calculus of non-rigid shapes. Geodesic distance computation Efficient parallel algorithms for computation of geodesic distances on manifolds. MDS and manifold learning Efficient methods for multidimensional scaling, non-linear dimensionality reduction and manifold learning. 3D acquisition Three-dimensional surface acquisition and reconstruction. Blind source separation and deconvolution Using sparse representations for blind source separation and deconvolution. Medical image reconstruction Inverse problems and image reconstruction in medical imaging.