Attribute Control Patents (Class 358/1.9)
- Print element property varied to represent gray level (Class 358/3.02)
- Error diffusion in gray level or halftone generation (Class 358/3.03)
- Halftoning (e.g., a pattern of print elements used to represent a gray level) (Class 358/3.06)
- Adaptive multi-level image reproduction (Class 358/3.21)
- Look-up table for image processing or print attribute data (e.g., threshold value, print element property) (Class 358/3.23)