Feature-oriented image enhancement using shock filters
SIAM Journal on Numerical Analysis
Edge detection in multispectral images
CVGIP: Graphical Models and Image Processing
Image selective smoothing and edge detection by nonlinear diffusion. II
SIAM Journal on Numerical Analysis
Nonlinear total variation based noise removal algorithms
Proceedings of the eleventh annual international conference of the Center for Nonlinear Studies on Experimental mathematics : computational issues in nonlinear science: computational issues in nonlinear science
Images as Embedded Maps and Minimal Surfaces: Movies, Color, Texture, and Volumetric Medical Images
International Journal of Computer Vision - Special issue on computer vision research at the Technion
SIAM Journal on Scientific Computing
Constrained Flows of Matrix-Valued Functions: Application to Diffusion Tensor Regularization
ECCV '02 Proceedings of the 7th European Conference on Computer Vision-Part I
CVPR '96 Proceedings of the 1996 Conference on Computer Vision and Pattern Recognition (CVPR '96)
A Riemannian Framework for Tensor Computing
International Journal of Computer Vision
Curvature-Driven PDE Methods for Matrix-Valued Images
International Journal of Computer Vision
Journal of Mathematical Imaging and Vision
Visualization and Processing of Tensor Fields (Mathematics and Visualization)
Visualization and Processing of Tensor Fields (Mathematics and Visualization)
Fast and simple calculus on tensors in the log-euclidean framework
MICCAI'05 Proceedings of the 8th international conference on Medical Image Computing and Computer-Assisted Intervention - Volume Part I
Anisotropic diffusion of multivalued images with applications to color filtering
IEEE Transactions on Image Processing
Color TV: total variation methods for restoration of vector-valued images
IEEE Transactions on Image Processing
A general framework for low level vision
IEEE Transactions on Image Processing
Regularizing Flows over Lie Groups
Journal of Mathematical Imaging and Vision
Fast GL(n)-Invariant Framework for Tensors Regularization
International Journal of Computer Vision
New Riemannian techniques for directional and tensorial image data
Pattern Recognition
A differential-geometrical framework for color image quality measures
ISVC'10 Proceedings of the 6th international conference on Advances in visual computing - Volume Part III
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We present a novel approach for the derivation of PDE modeling curvature-driven flows for matrix-valued data. This approach is based on the Riemannian geometry of the manifold of symmetric positive-definite matrices P(n). The differential geometric attributes of P(n) -such as the bi-invariant metric, the covariant derivative and the Christoffel symbols- allow us to extend scalar-valued mean curvature and snakes methods to the tensor data setting. Since the data live on P(n), these methods have the natural property of preserving positive definiteness of the initial data. Experiments on three-dimensional real DT-MRI data show that the proposed methods are highly robust.