Sparse coding based lip texture representation for visual speaker identification.
Jun-Yao LaiShi-Lin WangXing-Jian ShiAlan Wee-Chung LiewPublished in: DSP (2014)
Keyphrases
- sparse coding
- speaker identification
- image representation
- natural images
- sparse representation
- image classification
- generative model
- unsupervised learning
- linear combination
- gaussian mixture model
- speech recognition
- image patches
- data sets
- feature extraction
- object recognition
- noisy environments
- visual information
- visual features
- multiscale
- action recognition
- high dimensional
- feature space
- image processing
- computer vision