Illumination compensation and normalization using logarithm and discrete cosine transform.
Weilong ChenMeng Joo ErShiqian WuPublished in: ICARCV (2004)
Keyphrases
- discrete cosine transform
- illumination compensation
- image compression
- dct coefficients
- transform domain
- illumination variations
- feature extractor
- local binary pattern
- face recognition
- face images
- filter bank
- varying illumination
- preprocessing
- facial images
- three dimensional
- image segmentation
- signal processing
- feature set
- wavelet transform