Diffusion-Based Face Selective Smoothing in DCT Domain to Illumination Invariant Face Recognition.
Mehdi EzojiKarim FaezPublished in: ICPR (2010)
Keyphrases
- illumination invariant face recognition
- dct domain
- spatial domain
- dct coefficients
- transform domain
- post processing
- compressed domain
- discrete cosine transform
- human visual system
- digital video
- face recognition
- compressed images
- low pass filtering
- diffusion equation
- image resizing
- anisotropic diffusion
- low frequency
- quantization step
- face images
- frequency domain
- face sketch
- video transcoding
- reference frame
- image compression
- multimedia
- wavelet domain
- digital images