Keyphrases
- gray scale images
- gray scale
- segmentation algorithm
- segmentation method
- preprocessing
- character segmentation
- high accuracy
- color images
- edge detection
- detection method
- clustering method
- natural color images
- image processing
- segmentation errors
- prior information
- level set
- probabilistic model
- significant improvement
- image sequences
- synthetic data
- binary images
- dynamic programming
- image regions
- fully automatic
- cost function
- energy functional
- grey level
- k means
- similarity measure
- topological information