Title:
AUTOMATIC TRAPPING METHOD AND SYSTEM
Document Type and Number:
WIPO Patent Application WO/2009/152655
Kind Code:
A1
Abstract:
An automatic trapping method and system is used for packaging printing. The method includes translating trapping objects into simple color blocks, scanning all of the blocks and attaining trapping boundaries, determining whether the color blocks on both side of the trapping boundaries meet the trapping rule depending on the ink dots percentage and luminance, connecting trapping boundaries by analyzing regions, creating trapping zone and filling ink into the zone and reducing color.
Inventors:
JIA WENHUA (CN)
LIU MIN (CN)
LI PINGLI (CN)
JIANG JIANJUN (CN)
LIU MIN (CN)
LI PINGLI (CN)
JIANG JIANJUN (CN)
Application Number:
PCT/CN2008/002078
Publication Date:
December 23, 2009
Filing Date:
December 25, 2008
Export Citation:
Assignee:
FOUNDER INTERNAT CO LTD BEIJIN (CN)
UNIV BEIJING (CN)
JIA WENHUA (CN)
LIU MIN (CN)
LI PINGLI (CN)
JIANG JIANJUN (CN)
UNIV BEIJING (CN)
JIA WENHUA (CN)
LIU MIN (CN)
LI PINGLI (CN)
JIANG JIANJUN (CN)
International Classes:
G06K15/02; H04N1/46
Foreign References:
| US20060033960A1 | 2006-02-16 | |||
| US6992798B2 | 2006-01-31 | |||
| US5668931A | 1997-09-16 | |||
| US7123381B2 | 2006-10-17 |
Attorney, Agent or Firm:
INSIGHT INTELLECTUAL PROPERTY LIMITED (Tower A InDo Building, No. 48A Zhichun Road, Haidian District, Beijing 8, CN)
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