Research: Robust Analysis of Visual Data
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Research: Robust Analysis of Visual Data
High breakdown point robust estimators in statistics tolerate up to fifty percent of the data points not obeying the same model. In image analysis, however, the data is often complex and several instances of a model are simultaneously present, each accounting for a relative small percentage of the data points. Only robust methods designed with the special nature of the visual data in mind can achieve satisfactory results. Several papers exploit the mean shift technique for nonparametric clustering of multimodal feature spaces.
Code
Semi-Supervised Kernel Mean Shift Clustering
Matlab code to perform mean shift clustering in kernel space by using a few user-specified pairwise constraints. The theory is described in Semi-Supervised Kernel Mean Shift Clustering.
For comments, please contact Saket Anand or Sushil Mittal.
Generalized Projection based M-estimator
C++ code to find the robust estimate derived without using any user supplied scale. The theory is described in Generalized Projection Based M-Estimator.
For comments, please contact Sushil Mittal or Saket Anand.
Nonlinear Mean Shift over Riemannian Manifolds
C++ code to generalize nonlinear mean shift to data points lying on Riemannian manifolds. The theory is described in Nonlinear Mean Shift over Riemannian Manifolds.
For comments, please contact Raghav Subbarao or Sushil Mittal.
Edge Detection and Image SegmentatiON (EDISON) System
C++ code, can be used through a graphical interface or command line. The system is described in Synergism in low level vision.
For comments, please contact Bogdan Georgescu or Chris M. Christoudias.
The EDISON system contains the image segmentation/edge preserving filtering algorithm described in the paper Mean shift: A robust approach toward feature space analysisand the edge detection algorithm described in the paper Edge detection with embedded confidence.
Adaptive mean shift based clustering
C++ code implementing an (approximate) mean shift procedure with variable bandwith (in high dimensions). The algorithm is described in Mean shift based clustering in high dimensions: A texture classification example.
For comments, please contact Bogdan Georgescu or Ilan Shimshoni.
Color distribution and optical flow based point matcher
C++ code to find point correspondences by matching color distributions computed with spatially oriented kernels and optical flow registration. The theory is described in Point Matching Under Large Image Deformations and Illumination Changes.
For comments, please contact Bogdan Georgescu.
Publications
Please use the link "Abstract" to see the publishing history of a paper.
The links "Paper" also contain the abstract.
S. Anand, S. Mittal, O. Tuzel, P. Meer: Semi-Supervised Kernel Mean Shift Clustering.
Abstract Paper (pdf) Supplementary material.
S. Mittal, S. Anand, P. Meer: Generalized projection based M-Estimator.
Abstract Paper (pdf)
S. Mittal, P. Meer: Conjugate gradient on Grassmann manifolds for robust subspace estimation.
Abstract Paper (pdf)
S. Mittal, S. Anand, P. Meer: Generalized projection based M-Estimator: Theory and applications.
Abstract Paper (pdf)
O. Tuzel, F. Porikli, P. Meer: Kernel Methods for Weakly Supervised Mean Shift Clustering.
Abstract Paper (pdf)
R. Subbarao, P. Meer: Projection Based M-Estimators.
Abstract Paper (pdf)
R. Subbarao, P. Meer: Nonlinear Mean Shift over Riemannian Manifolds.
Abstract Paper (pdf)
R. Subbarao, Y. Genc, P. Meer: Robust Unambiguous Parametrization of the Essential Manifold.
Abstract Paper (pdf)
R. Subbarao, P. Meer: Discontinuity Preserving Filtering over Analytic Manifolds.
Abstract Paper (pdf)
R. Subbarao, Y. Genc, P. Meer: Nonlinear Mean Shift for Robust Pose Estimation.
Abstract Paper (pdf)
R. Subbarao, P. Meer: Beyond RANSAC: User Independent Robust Regression.
Abstract Paper (pdf)
R. Subbarao, P. Meer: Nonlinear mean shift for clustering over analytic manifolds.
Abstract Paper (pdf)
R. Subbarao, P. Meer: Subspace estimation using projection based M-estimators over Grassmann manifolds
Abstract Paper (pdf)
O. Tuzel, R. Subbarao, P. Meer: Simultaneous multiple 3D motion estimation via mode finding on Lie groups.
Abstract Paper (pdf) Data
O. Tuzel, F. Porikli, P. Meer: A Bayesian approach to background modeling.
Abstract Paper (pdf)
R. Subbarao, P. Meer: Heteroscedastic projection based M-estimators.
Abstract Paper (pdf)
H. Chen, P. Meer: Robust fusion of uncertain information.
Abstract Paper (pdf) Paper (ps.gz)
B. Georgescu, P. Meer: Point matching under large image deformations and illumination changes.
Abstract Paper (pdf)
H. Chen, I. Shimshoni, P. Meer: Model based object recognition by robust information fusion.
Abstract Paper (pdf) Paper (ps.gz)
P. Meer: Robust techniques for computer vision.
Paper (pdf) Paper (ps.gz)
B. Georgescu, I. Shimshoni, P. Meer: Mean shift based clustering in high dimensions: A texture classification example.
Abstract Paper (pdf) Paper (ps.gz)
H. Chen, P. Meer: Robust regression with projection based M-estimators.
Abstract Paper (pdf) Paper (ps.gz)
H. Chen, P. Meer: Robust fusion of uncertain information.
Abstract Paper (pdf) Paper (ps.gz)
D. Comaniciu, V. Ramesh, P. Meer: Kernel-based object tracking.
Abstract Paper (pdf) Paper (ps.gz)
Videos of tracking nonrigid objects.
C. M. Christoudias, B. Georgescu, P. Meer: Synergism in low level vision.
Abstract Paper (pdf) Paper (ps.gz)
H. Chen, P. Meer: Robust computer vision through kernel density estimation.
Abstract Paper (pdf) Paper (ps.gz)
H. Chen, P. Meer, D.E. Tyler: Robust regression for data with multiple structures.
Abstract Paper (pdf) Paper (ps.gz)
P. Meer, B. Georgescu: Edge detection with embedded confidence.
Abstract Paper (pdf) Paper (ps.gz)
D. Comaniciu, P. Meer: Mean shift: A robust approach toward feature space analysis.
Abstract Paper (pdf) Paper (ps.gz) ERRATA (pdf)
Test Images used in the paper.
D. Comaniciu, V. Ramesh, P. Meer: The variable bandwidth mean shift and data-driven scale selection
Abstract Paper (pdf) Paper (ps.gz)
D. Comaniciu, V. Ramesh, P. Meer: Real-time tracking of non-rigid objects using mean shift.
BEST PAPER AWARD 2000 IEEE Computer Vision and Pattern Recognition Conference.
Abstract Paper (pdf) Paper (ps.gz)
P. Meer, C.V. Stewart, D.E. Tyler: Robust computer vision: An interdisciplinary challenge.
Abstract Paper (pdf) Paper (ps.gz)
D. Comaniciu, P. Meer: Mean-shift analysis and applications.
Abstract Paper (pdf) Paper (ps.gz)
D. Comaniciu, P. Meer: Distribution free decomposition of multivariate data.
Abstract Paper (pdf) Paper (ps.gz) Examples
M. Garza-Jinich, P. Meer and V. Medina: Robust retrieval of 3D structures from image stacks.
Abstract Paper (pdf) Paper (ps.gz)
K-M. Lee, P. Meer and R-H. Park: Robust adaptive segmentation of range images.
Abstract Paper (pdf) Paper (ps.gz)
D. Comaniciu, P. Meer: Robust analysis of feature spaces: Color image segmentation.
Abstract Paper (pdf) Paper (ps.gz) Examples
Related Ph.D Thesis
Dorin Comaniciu: Nonparametric robust Methods for Computer Vision.
Bogdan Georgescu: Interpretation of the 3D Visual Environment from Uncalibrated Imagese Sequences.
Haifeng Chen: Projection based Robust Estimators for Computer Vision.
Raghav Subbarao: Robust Statistics Over Riemannian Manifolds for Computer Vision .
Oncel Tuzel: Learning on Riemannian Manifolds for Interpretation of Visual Environments.
Sushil Mittal: User-Independent Robust Statistics for Computer Vision.
Saket Anand: Robust Methods for Multiple Model Discovery in Structured and Unstructured Data.
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