Photometric Normalization for Face Recognition using Local discrete cosine Transform.
Heydi Mendez VazquezJosef KittlerChi-Ho ChanEdel B. García ReyesPublished in: Int. J. Pattern Recognit. Artif. Intell. (2013)
Keyphrases
- discrete cosine transform
- image compression
- dct coefficients
- transform domain
- filter bank
- jpeg images
- compressed images
- dct domain
- coded images
- blocking artifacts
- image blocks
- lapped transforms
- preprocessing
- discrete fourier transform
- color information
- face images
- image processing
- computationally efficient
- wavelet transform
- feature space
- multimedia