Automatic Segmentation of a Fetal Echocardiogram Using Modified Active Appearance Models and Sparse Representation.
Yi GuoYuanyuan WangSiqing NieJinhua YuPing ChenPublished in: IEEE Trans. Biomed. Eng. (2014)
Keyphrases
- automatic segmentation
- sparse representation
- active appearance models
- appearance model
- face recognition
- human faces
- object tracking
- segmentation algorithm
- low resolution
- statistical model
- facial images
- shape model
- signal processing
- image classification
- image patches
- facial features
- high dimensional data
- deformable models
- image representation
- motion parameters
- active shape model
- facial expression recognition
- least squares
- face detection
- feature points
- machine learning
- pose estimation
- ground truth
- generative model
- super resolution
- data analysis
- anatomical structures
- parametric models