Keyphrases
- blue noise
- error diffusion
- halftoning algorithm
- mid frequency
- anisotropic diffusion
- noise removal
- direct binary search
- random noise
- color images
- gray scale
- noise level
- image quality
- additive noise
- median filter
- color reproduction
- inverse halftoning
- noisy data
- diffusion equation
- noise model
- diffusion process
- diffusion model
- human visual system
- missing data
- continuous tone images
- gaussian noise
- noise reduction
- high quality