Improving mid-tone quality of variable-coefficient error diffusion using threshold modulation.
Bingfeng ZhouXifeng FangPublished in: ACM Trans. Graph. (2003)
Keyphrases
- error diffusion
- halftoning algorithm
- noise shaping
- gray scale
- image quality
- high quality
- display devices
- human visual system
- inverse halftoning
- gray level
- quantization error
- halftone images
- direct binary search
- frequency domain
- image coding
- visual information
- quality measures
- perceptual quality
- multiscale
- feature selection