Edge-Preserving Error Diffusion for Multi-Toning Based on Dual Quantization.
Takuma KiyotomoKeisuke HoshinoYuki TsukanoHiroki KibushiTakahiko HoriuchiPublished in: Color Imaging: Displaying, Processing, Hardcopy, and Applications (2017)
Keyphrases
- edge preserving
- error diffusion
- quantization error
- image restoration
- gray scale
- noise reduction
- image quality
- anisotropic diffusion
- edge enhancement
- data hiding
- inverse halftoning
- quantization noise
- blue noise
- gray level
- human visual system
- shift invariant
- least squares
- black and white
- color images
- partial differential equations
- visual quality
- binary images
- frequency domain
- signal to noise ratio
- image enhancement
- halftone images
- denoising
- image processing