Three-dimensional shape color adjustment method, three-dimensional object shaping method, and three-dimensional shape color adjustment apparatus

Patent metadata

Field	Value
Publication number	US-10319153-B2
Application number	US-201715687892-A
Country	US
Kind code	B2
Filing date	Aug 28, 2017
Priority date	Aug 31, 2016
Publication date	Jun 11, 2019
Grant date	Jun 11, 2019

Abstract

A color adjustment unit in a shaping controller includes a 3D/2D conversion unit which converts 3D data representing a three-dimensional object having colored layers formed on the surface thereof into 2D data; a two-dimensional color patch data creating unit which creates, as two-dimensional color patch data, a plurality of 2D images in which at least one kind of parameter of a plurality of kinds of parameters related to a color of each layer of the colored layers in the converted 2D data is set at a plurality of different levels; a three-dimensional color patch data creating unit which applies thickness information about thicknesses of the colored layers depending on the number of layers of the colored layers to the two-dimensional color patch data to create three-dimensional color patch data; and a color patch layering unit which layers three-dimensional color patches depending on the thickness according to the three-dimensional color patch data.

First claim

What is claimed is:

1. A three-dimensional shape color adjustment method comprising:
a data conversion step of converting three-dimensional data representing a three-dimensional object having colored layers formed on a surface of the three-dimensional object into two-dimensional data;
a two-dimensional color patch data creation step of creating, as two-dimensional color patch data, a plurality of two-dimensional images in which at least one kind of parameter of a plurality of kinds of parameters related to a color of each layer of the colored layers in the converted two-dimensional data is set at a plurality of different levels;
a three-dimensional color patch data creation step of applying thickness information about thicknesses of the colored layers depending on the number of layers of the colored layers to the two-dimensional color patch data to create three-dimensional color patch data; and
a color patch layering step of laminating three-dimensional color patches depending on the thickness information in the three-dimensional color patch data, wherein
the colored layers are formed with a plurality of inks by an inkjet method, and
the two-dimensional color patch data creation step comprises adjusting a color density parameter of each of the plurality of inks to create the two-dimensional color patch data.

2. The three-dimensional shape color adjustment method according to claim 1 , further comprising:
a parameter change step of changing the parameters, and
a three-dimensional object display step of displaying the three-dimensional object based on the three-dimensional data of the three-dimensional object having the colored layers changed in color based on the changed parameters.

3. The three-dimensional shape color adjustment method according to claim 2 , comprising a light source invalidation step of invalidating a light source which is set in the three-dimensional data converted in the data conversion step and irradiates light on the three-dimensional object.

4. The three-dimensional shape color adjustment method according to claim 2 , comprising a direction changing step of reflecting the changed direction of the three-dimensional object in the three-dimensional data converted in the data conversion step.

5. A three-dimensional object shaping method, wherein the colored layers are formed on the surface of the three-dimensional object by using the parameters determined by the three-dimensional shape color adjustment method according to claim 2 .

6. The three-dimensional shape color adjustment method according to claim 1 , wherein the color patch layering step causes a three-dimensional object shaping apparatus to form the colored layers depending on the layering of the three-dimensional color patches on layers of model materials formed based on the two-dimensional data.

7. The three-dimensional shape color adjustment method according to claim 6 , comprising a light source invalidation step of invalidating a light source which is set in the three-dimensional data converted in the data conversion step and irradiates light on the three-dimensional object.

8. The three-dimensional shape color adjustment method according to claim 6 , comprising a direction changing step of reflecting the changed direction of the three-dimensional object in the three-dimensional data converted in the data conversion step.

9. A three-dimensional object shaping method, wherein the colored layers are formed on the surface of the three-dimensional object by using the parameters determined by the three-dimensional shape color adjustment method according to claim 6 .

10. The three-dimensional shape color adjustment method according to claim 1 , comprising a light source invalidation step of invalidating a light source which is set in the three-dimensional data converted in the data conversion step and irradiates light on the three-dimensional object.

11. The three-dimensional shape color adjustment method according to claim 10 , comprising a direction changing step of reflecting the changed direction of the three-dimensional object in the three-dimensional data converted in the data conversion step.

12. A three-dimensional object shaping method, wherein the colored layers are formed on the surface of the three-dimensional object by using the parameters determined by the three-dimensional shape color adjustment method according to claim 10 .

13. The three-dimensional shape color adjustment method according to claim 1 , comprising a direction changing step of reflecting the changed direction of the three-dimensional object in the three-dimensional data converted in the data conversion step.

14. A three-dimensional object shaping method, wherein the colored layers are formed on the surface of the three-dimensional object by using the parameters determined by the three-dimensional shape color adjustment method according to claim 13 .

15. A three-dimensional object shaping method, wherein the colored layers are formed on the surface of the three-dimensional object by using the parameters determined by the three-dimensional shape color adjustment method according to claim 1 .

16. A three-dimensional model color adjustment apparatus comprising:
a data conversion unit which converts three-dimensional data representing a three-dimensional object having colored layers formed on a surface thereof into two-dimensional data;
a two-dimensional color patch data creating unit which creates, as two-dimensional color patch data, a plurality of two-dimensional images in which at least one kind of parameter of a plurality of kinds of parameters related to a color of each layer of the colored layers in the converted two-dimensional data is set at a plurality of different levels;
a three-dimensional color patch data creating unit which applies thickness information about thicknesses of the colored layers depending on the number of layers of the colored layers to the two-dimensional color patch data to create three-dimensional color patch data; and
a color patch layering unit which layers three-dimensional color patches depending on the thickness according to the three-dimensional color patch data, wherein
the colored layers are formed with a plurality of inks by an inkjet method, and
the three-dimensional model color adjustment apparatus further comprises a color density adjusting unit which adjusts a color density parameter of each of the plurality of inks to create the two-dimensional color patch data.

Assignees

• Mimaki Eng Co Ltd

Inventors

• Nagahari Masaya
• Ohi Hiroyoshi

Classifications

• H04N1/6013

  by simulating several colour corrected versions of the same image simultaneously on the same picture reproducer · CPC title

• H04N1/60 Primary

  Colour correction or control {(H04N1/54 takes precedence)} · CPC title

• B29C64/386

  Data acquisition or data processing for additive manufacturing · CPC title

• B29K2995/002

  Coloured · CPC title

• B33Y50/02

  for controlling or regulating additive manufacturing processes · CPC title