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    • 41. 发明申请
    • Automated texture mapping system for 3D models
    • 3D模型的自动纹理贴图系统
    • US20090110267A1
    • 2009-04-30
    • US12229919
    • 2008-08-28
    • Avidoh ZakhorMin Ding
    • Avidoh ZakhorMin Ding
    • G06K9/00
    • G06T15/04G06T7/75G06T2207/10032G06T2207/30184G06T2207/30244
    • A camera pose may be determined automatically and is used to map texture onto a 3D model based on an aerial image. In one embodiment, an aerial image of an area is first determined. A 3D model of the area is also determined, but does not have texture mapped on it. To map texture from the aerial image onto the 3D model, a camera pose is determined automatically. Features of the aerial image and 3D model may be analyzed to find corresponding features in the aerial image and the 3D model. In one example, a coarse camera pose estimation is determined that is then refined into a fine camera pose estimation. The fine camera pose estimation may be determined based on the analysis of the features. When the fine camera pose is determined, it is used to map texture onto the 3D model based on the aerial image.
    • 可以自动确定照相机姿态,并用于基于空中影像将纹理映射到3D模型上。 在一个实施例中,首先确定区域的空中图像。 该区域的3D模型也被确定,但没有纹理贴图。 要将纹理从航空图像映射到3D模型,将自动确定相机姿势。 可以分析航空图像和3D模型的特征,找出航空图像和3D模型中的相应特征。 在一个示例中,确定粗略的相机姿态估计,然后将其改进为精细的相机姿态估计。 可以基于特征的分析来确定精细相机姿态估计。 当精确的相机姿态被确定时,它被用于基于空间图像将纹理映射到3D模型上。