Fingerprint Enhancement Based on Discrete Cosine Transform.
Suksan JirachawangVutipong AreekulPublished in: ICB (2007)
Keyphrases
- discrete cosine transform
- image compression
- dct coefficients
- transform domain
- filter bank
- image blocks
- dct domain
- jpeg images
- compressed images
- blocking artifacts
- coded images
- lapped transforms
- projections onto convex sets
- digital images
- image sequences
- three dimensional
- feature vectors
- discrete fourier transform
- preprocessing