Luminance Sticker Based Facial Expression Recognition Using Discrete Wavelet Transform for Physically Disabled Persons.
R. NagarajanM. HariharanM. SatiyanPublished in: J. Medical Syst. (2012)
Keyphrases
- discrete wavelet transform
- multiresolution
- wavelet domain
- high frequency
- wavelet coefficients
- image fusion
- color images
- shift invariant
- subband
- digital watermarking
- grayscale images
- jpeg compression
- low frequency
- haar wavelet transform
- dual tree
- color information
- fusion method
- remote sensing
- palmprint
- dual tree complex wavelet transform
- image quality
- image compression
- wavelet transform
- image analysis
- feature vectors
- computational complexity
- high quality