PPT Slide
- form a 3D feature space (RGB components)
- multivariate, multimodal probability distribution of colors
- highest density regions ? cluster modes
- the goal ? find significant color clusters
- nonparametric nature of the method avoids:
- the assumption of Gaussian distribution
- complicated parametric models of clusters
- special parametric models of saturated color clusters
- segmentation of shaded images is usually poor
- preceding global shading correction
Nonparametric feature space analysis