Adaptive inverse halftoning for scanned document images through multiresolution and multiscale analysis.
Hirobumi NishidaPublished in: Pattern Recognit. (2005)
Keyphrases
- multiscale analysis
- multiresolution
- inverse halftoning
- multiscale
- gray scale
- wavelet transform
- edge enhancement
- image quality
- error diffusion
- image fusion
- texture segmentation
- subband
- wavelet coefficients
- least mean square
- image processing
- gray scale images
- median filter
- anisotropic diffusion
- wavelet domain
- partial differential equations
- filter bank
- binary images