Multilevel halftoning using multiscale error diffusion.
Yik-Hing FungYuk-Hee ChanPublished in: J. Electronic Imaging (2010)
Keyphrases
- error diffusion
- multiscale
- gray scale
- image quality
- inverse halftoning
- halftoning algorithm
- quantization error
- gray level
- edge enhancement
- halftone images
- scale space
- human visual system
- image representation
- noise shaping
- image segmentation
- wavelet transform
- frequency domain
- edge detection
- display devices
- image processing
- color reproduction
- continuous tone images
- blue noise
- mid frequency
- quantization noise
- image coding
- filter bank
- wavelet coefficients
- color images
- high quality