Curve fitting by a sum of Gaussians
CVGIP: Graphical Models and Image Processing
Pattern Classification (2nd Edition)
Pattern Classification (2nd Edition)
Expectation-Maximization for a Linear Combination of Gaussians
ICPR '04 Proceedings of the Pattern Recognition, 17th International Conference on (ICPR'04) Volume 3 - Volume 03
Optimizing Binary MRFs with Higher Order Cliques
ECCV '08 Proceedings of the 10th European Conference on Computer Vision: Part III
Precise segmentation of multimodal images
IEEE Transactions on Image Processing
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Parametric density estimation is widely used to solve many image processing problems. We examined the parametric estimation using linear combination of 1D Gaussians in many works [1, 2, 3, 4]. In this work, we extend our model to estimate density of the colors in color images. We approximate the marginal density of each class in the empirical probability density function by a 3D Gaussian distribution. Then, the deviation between the estimated and the empirical densities is modelled using a linear combination of 3D Gaussians with positive and negative components. We estimate the parameters of this model using our modified EM algorithm. The proposed framework demonstrates very promising experimental results of color images labelling and can be integrated with many other frameworks.