Efficient facial expression recognition using histogram of oriented gradients in wavelet domain.

Swati Nigam Rajiv Singh A. K. Misra

Published in: Multim. Tools Appl. (2018)

Keyphrases

wavelet domain
denoising
wavelet coefficients
spatial domain
image denoising
multiresolution
wavelet transform
multiscale
high frequency
human visual system
subband
human detection
computer vision
natural images
object detection
image features
pairwise