Nonlinear color space and spatiotemporal MRF for hierarchical segmentation of face features in video.
Marc LiévinFranck LuthonPublished in: IEEE Trans. Image Process. (2004)
Keyphrases
- color space
- color images
- hierarchical segmentation
- color features
- histogram analysis
- color histogram
- video sequences
- feature vectors
- image features
- rgb color space
- markov random field
- coarse to fine
- video data
- ycbcr color space
- color quantization
- spatial information
- feature set
- image database
- feature extraction
- video frames
- texture features
- image segmentation
- graph cuts
- higher order
- feature space