METHOD OF GLOSS CORRECTION IN 3D PRINTING
申请(专利)号： EP20170161927
专利号： EP3222411B1 主分类号： B29C64/188
申请权利人： OCE HOLDING
B.V. 公开国代码： EP 优先权国家： EP
摘 要：
A method of gloss correction in a process of printing a three-dimensional object, wherein a print head is moved in two directions parallel to a substrate to slicewise apply material building the object up to a height as defined in a height map, comprising the steps of: deriving, from the height map, a normal map which assigns to any point of the object surface a normal vector that is normal to the surface of the object; segmenting the surface points into at least two regions in which the normal vectors of points in the region fulfill a predefined similarity criterion that is
related to a surface gloss of the object; for each region, estimating an expected surface gloss value of the object;
calculating a gloss correction map based on a difference between the estimated surface gloss values for said at least two regions; and applying to the object a
申请日： 2017-03-20 公开公告日： 2024-12-19
分类号： B29C64/188;
B29C64/112; B33Y40; B33Y10; B33Y30; B33Y50 发明设计人： VALADE, CéDRIC T. 申请国代码： EP
优先权： 20160322 EP
16161684
摘 要 附 图：
surface treatment in accordance with the gloss correction map. 主权项：
权 利 要 求 说 明 书
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METHOD OF GLOSS CORRECTION IN 3D PRINTING
