利用数码相机建立轿车数字模型库

Create cars'3D models using a digital camera

在工业设计或建筑设计中,积累丰富的素材是成功作品的必要条件。随着计算机辅助设计技术的普及,建立数字化的素材库显得尤为重要;在汽车设计领域,现有的素材库多为2维的数字图像,而非3D模型。这里基于计算机视觉原理,利用数码相机,设计了一套轿车车型快速数字化系统,通过对轿车仿真模型的旋转、摄像来获取车身的3D信息。文中给出了两种国产轿车的设计实例,效果令人满意。

In the fields of industrial or architectural design, collecting materials is an important procedure. With the de-velopment of CAD techniques, a plenty of digital materials are very useful. In automobile design, the most materials are 2D digital images, not 3D digital models. Based on computer vision principles, a new 3D digitizing system is dereloped in this paper using a digital camera and cars' modesl can be constructed only by photography. Two examples are given, and the results are satisfied.