Automatic computation of histogram threshold for lip segmentation using feedback of shape information.
Ashley D. GritzmanVered AharonsonDavid M. RubinAdam PantanowitzPublished in: Signal Image Video Process. (2016)
Keyphrases
- fully automatic
- visual speech recognition
- gray value
- image thresholding
- threshold selection
- otsu method
- pixel wise
- image segmentation
- segmentation algorithm
- level set
- statistical classification
- grey level
- thresholding method
- gray level
- object segmentation
- segmentation method
- color features
- pixel level
- histogram analysis
- computer vision
- segmented images
- region growing
- colour space
- edge detection
- shape prior
- active contours
- color model
- semi automatic
- medical images
- thresholding algorithm
- markov random field
- symbol recognition