公开(公告)号：US09919549B2

公开(公告)日：2018-03-20

申请号：US15604625

申请日：2017-05-24

Applicant: ZHEJIANG UNIVERSITY

Inventor： Kun Zhou ,  Yizhong Zhang ,  Chunji Yin ,  Changxi Zheng

IPC: B41M1/40 ,  B41M5/00 ,  H04N1/00 ,  G06T7/50 ,  G06T17/00 ,  G06T19/20

CPC classification number: B41M1/40 ,  B33Y50/00 ,  B41M5/0088 ,  B41M5/0256 ,  B44C1/1758 ,  G06T7/50 ,  G06T17/00 ,  G06T19/20 ,  G06T2219/2004 ,  G06T2219/2012 ,  H04N1/00827 ,  H04N2201/0084

Abstract: A calculable 3D color printing method is used for generating, on a 3D object surface, a user-specified color texture pattern, including: performing modeling and simulated calculation with respect to a motion and a deformation of a PVA film in a traditional water transfer printing process to obtain a mapping function between each of pixels on the PVA film and points on an object surface; and calculating, by using the mapping function, a texture pattern to print on the PVA film. This disclosure further includes a set of mechanical devices and a 3D vision system for realizing precise and controllable water transfer printing which precisely prints a user-specified texture pattern onto an object surface. This disclosure further includes a multiple water transfer printing method, including: partitioning a complex object surface into a plurality of regions, and separately coloring each region, until eventually completing coloring of the entire object surface.