Subband domain coding of binary textual images for document archiving.
Ömer Nezih GerekA. Enis ÇetinAhmed H. TewfikVolkan AtalayPublished in: IEEE Trans. Image Process. (1999)
Keyphrases
- subband
- wavelet coding
- subband decomposition
- wavelet transform coefficients
- subband coding
- image compression
- transform coefficients
- wavelet transform
- rate distortion
- filter bank
- wavelet subbands
- multiresolution
- bit rate
- statistical moments
- frequency domain
- high frequency
- locally adaptive
- natural images
- video signals
- low frequency
- wavelet decomposition
- discrete wavelet transform
- wavelet coefficients
- feature vectors
- image data
- input image
- image retrieval
- feature extraction
- scalar quantization
- wavelet domain
- frequency band
- wavelet filters
- high pass
- image coder
- coding gain
- low pass
- coding scheme
- image coding
- edge detection
- wavelet packet
- compression scheme