Custom JPEG Quantization for Improved Iris Recognition Accuracy.
Gerald Stefan KostmajerHerbert StögnerAndreas UhlPublished in: SEC (2009)
Keyphrases
- recognition accuracy
- recognition rate
- face recognition
- adaptive quantization
- quantization step
- image coder
- improve the recognition rate
- image coding
- domain specific
- bits per pixel
- compressed domain
- dct coefficients
- dct domain
- bit plane
- discrete cosine transform
- jpeg images
- discriminating power
- face databases
- elastic graph matching
- rate distortion
- image compression