Eliminating illumination effects by discrete cosine transform (DCT) coefficients' attenuation and accentuation.
Shan DuMohamed S. ShehataWael M. BadawyChoudhury A. RahmanPublished in: Image Processing: Machine Vision Applications (2013)
Keyphrases
- discrete cosine transform
- dct coefficients
- image compression
- dct domain
- transform domain
- jpeg compression
- jpeg images
- blocking artifacts
- coded images
- filter bank
- image blocks
- compressed images
- wavelet transform
- image processing
- compressed domain
- compression ratio
- multiresolution
- search algorithm
- multiscale
- image sequences