Adaptive inverse halftoning for scanned document images through multiresolution and multiscale analysis.
Hirobumi NishidaPublished in: DRR (2004)
Keyphrases
- multiscale analysis
- multiresolution
- inverse halftoning
- multiscale
- edge enhancement
- gray scale
- error diffusion
- image quality
- partial differential equations
- wavelet transform
- image fusion
- wavelet decomposition
- median filter
- wavelet domain
- halftone images
- anisotropic diffusion
- image processing
- gray scale images
- adaptive filtering
- document images
- edge detection
- image analysis
- image segmentation