Multilevel Halftoning using Bilevel Quantization.
Faraz FaheemDaniel Leo LauGonzalo R. ArcePublished in: PICS (2001)
Keyphrases
- error diffusion
- quantization error
- blue noise
- gray scale
- quantization step
- image quality
- color images
- linear programming
- quantization noise
- inverse halftoning
- color quantization
- direct binary search
- gray level
- black and white
- computational complexity
- vector quantization
- noise shaping
- wavelet transform
- uniform quantization
- halftone images
- bi objective
- lower level
- human visual system
- high frequency