JP2010123007A5

JP2010123007A5 -

Info

Publication number: JP2010123007A5
Application number: JP2008297448A
Authority: JP
Filing date: 2008-11-21
Publication date: 2011-12-01

Description

このような目的に応えるために本発明（請求項１記載の発明）に係る画像処理装置は、球面、曲面、または凹凸をもつ立体物に貼り付けることができる印刷物を得る画像処理装置であって、前記立体物を撮影した画像データに基づいて前記立体物の３次元モデルを作成する手段と、前記立体表面形状の３次元モデルに近似した立体表面を複数の多角形の組み合わせにより構成された仮想の多面体立体モデルを生成する手段と、前記立体物の表面に印刷すべく入力された原稿画像データを、画像処理により、所定の視点位置から前記仮想の多面体立体モデルの表面に投影変換し３次元曲面の表面上の画像データに変換する手段と、該３次元曲面表面上の画像データを、前記仮想の多面体立体の表面を構成する複数の多角形領域に分割する手段と、前記複数の多角形領域に分割された画像データと前記仮想の多面体立体の表面を構成する各面の画像データに基づき、２次元平面に展開された表面形状の２次元展開図形式の印刷用画像データを生成する手段とを備えていることを特徴とする。 In order to meet such an object, an image processing apparatus according to the present invention (the invention according to claim 1) is an image processing apparatus for obtaining a printed material that can be attached to a three-dimensional object having a spherical surface, a curved surface, or unevenness. and it means that form create a three-dimensional model of the three-dimensional object based on image data obtained by photographing the three-dimensional object, Ri by the combination of a plurality of polygons three-dimensional surface approximate to the three-dimensional model of the three-dimensional surface profile configuration by means for generating a virtual polyhedron stereoscopic model, the original image data printed Subeku input to the surface of the three-dimensional object, the image processing, projection transformation from a predetermined viewpoint position on the surface of the virtual polyhedron solid model means for converting the image data on the surface of the three-dimensional curved surface, means for dividing the image data on the three-dimensional curved surface, a plurality of polygonal areas constituting the surface of the virtual polyhedron stereoscopic Based on the image data of each surface constituting the divided image data and the surface of the virtual polyhedron solid to the plurality of polygonal regions, 2-dimensional development view form the printing image of the surface shape that is expanded into two-dimensional plane characterized in that it comprises a means for generating data.

Claims

An image processing apparatus for obtaining a printed material that can be attached to a three-dimensional object having a spherical surface, a curved surface, or unevenness,
Means that form create a three-dimensional model of the three-dimensional object based on image data obtained by photographing the three-dimensional object,
It means for generating the stereoscopic surface imaginary polyhedron solid model approximation stereoscopic surface in the three-dimensional model configured Ri by the combination of a plurality of polygonal shape,
Converting the original image data printed Subeku input to the surface of the three-dimensional object, the image processing, the image data on the surface of the projection conversion to 3-dimensional curved surface of the virtual polyhedron solid model from a predetermined viewpoint position Means,
Means for dividing the image data on the three-dimensional curved surface, a plurality of polygonal areas constituting the surface of the virtual polyhedron solid,
A printing image in a two-dimensional development view format of a surface shape developed on a two- dimensional plane based on the image data divided into the plurality of polygonal regions and the image data of each surface constituting the surface of the virtual polyhedral solid . Means for generating data;
The image processing apparatus characterized by comprising a.

The image processing apparatus according to claim 1.
The three-dimensional model creation / selection unit selects three-dimensional shape model data from a database prepared in advance when the printing object is a general three-dimensional object.

The image processing apparatus according to claim 1.
The three-dimensional model creation / selection means prepares a plurality of pieces of image data for viewing the printed material from different viewpoints when the three-dimensional shape of the printed material is a free-form surface or a complicated three-dimensional shape. An image processing apparatus that creates a three-dimensional model of a three-dimensional surface based on the above.