Inventor

Liu yun-fu

TW4 patents

⚠️ This page may combine multiple inventors who share the name “Liu yun-fu”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GUO JING-MING

3 patents

US8390890B2Mar 5, 2013

Halftone image generation method and image processing system and computer program product thereof

GUO JING-MING5 citations68

US8077355B2Dec 13, 2011

Digital halftoning method utilizing diffused weighting and class matrix optimization

GUO JING-MING4 citations58

US8570602B2Oct 29, 2013

Digital halftoning method and method for constructing class tiling map

GUO JING-MING0 citations48

UNIV NAT TAIWAN SCIENCE TECH

1 patent

US8049930B2Nov 1, 2011

Method of halftone watermarking for hiding multi-tone watermark or two-tone watermark

UNIV NAT TAIWAN SCIENCE TECH4 citations59