Advances in computer-human interaction for detecting facial expression using dual tree multi band wavelet transform and Gaussian mixture model.
Kommineni JenniSatria MandalaMohd Shahrizal SunarParvathaneni Midhu ChakravarthyPublished in: Neural Comput. Appl. (2022)
Keyphrases
- dual tree
- gaussian mixture model
- facial expressions
- wavelet transform
- facial expression recognition
- human computer interaction
- mixture model
- multiresolution
- feature vectors
- human faces
- multiscale
- wavelet packet
- discrete wavelet transform
- feature extraction
- wavelet domain
- wavelet features
- image compression
- subband
- video sequences
- shift invariant
- wavelet coefficients
- facial images
- maximum likelihood
- facial features
- expectation maximization
- em algorithm
- background subtraction
- face images
- denoising
- wavelet decomposition
- face recognition
- low frequency
- feature space
- high frequency
- local binary pattern
- image processing