Automatic visual speech segmentation and recognition using directional motion history images and Zernike moments.
Ayaz A. ShaikhDinesh K. KumarJayavardhana GubbiPublished in: Vis. Comput. (2013)
Keyphrases
- zernike moments
- image reconstruction
- rotation invariant
- shape descriptors
- segmentation algorithm
- image segmentation
- visual speech
- fourier descriptors
- multiscale
- high order
- affine invariant
- segmentation method
- feature vectors
- image representation
- object detection
- hidden markov models
- object segmentation
- invariant features
- computer vision
- medical images
- shape prior
- action recognition
- multiresolution