Saarland University |
Mathematical Image Analysis Group
Research Activities of Joachim Weickert
Image Processing:
Computer Vision:
-
Efficient splitting-based algorithms for discontinuity-preserving
variational optic flow calculations
[selected publication]
-
Design of spatio-temporal regularizers in nonlinear variational
approaches for optic flow estimation
[selected publication (in German)]
-
New multiscale algorithms for nonconvex optimization problems
arising from optic flow approximation in case of large displacements
[selected publication]
-
Analysis of the focusing behaviour of landmarks resulting from
differential corner detectors
[selected publication]
-
Global scale selection by means of Lyapunov functionals in linear
and nonlinear scale-spaces
[selected publication]
-
Fast scene segmentation with hybrid algorithms that combine the
watershed transformation with recursive adaptive filters in image
pyramids
[selected publication]
-
Stereo reconstruction using a nonlinear nonconvex variational approach
[selected publication]
[demo page]
Scientific Computing:
-
Development of absolutely stable algorithms for nonlinear diffusion
processes by combining a semi-implicit discretization with an
additive operator splitting (AOS)
[selected publication]
-
Convergence accelaration of AOS schemes for nonlinear elliptic
problems by means of a multilevel approach based on a pyramid
decomposition
[selected publication]
-
Parallelization of AOS schemes for diffusion filtering on an
SGI Power Challenge XL architecture
[selected publication]
-
Performance evaluation of a finite volume, a pseudospectral, and
a wavelet-based Petrov-Galerkin method for nonlinear diffusion filtering
[selected publication]
-
Criteria for boundary corrections in pyramid decompositions in order
to create corresponding restriction and interpolation operators
[selected publication]
-
Discretizations of anisotropic diffusion equations with low dissipativity
and optimized rotation invariance
[selected publication]
Pattern Recognition:
-
Texture analysis by means of the fingerprints of generalized entropies in
scale-spaces
[selected publication]
-
Shape recognition by integrating statistical shape knowledge into
the segmentation functional of Mumford and Shah
[selected publication]
Information Theory:
-
Synchronization of nonlinear scale-spaces by means of the
Shannon-Wiener entropy
[selected publication]
-
Analysis of the monotony behaviour of Renyi's generalized
entropies in linear and nonlinear diffusion processes
[selected publication]
Biomedical Applications:
Industrial Applications:
If you have specific questions or if you would like to get
some papers on the topics above, please send an e-mail to
Joachim.Weickert@uni-mannheim.de.
Joachim Weickert /
August 12, 2002 /
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