基于单幅老照片的历史建筑三维重建

3D Reconstruction of Historical Buildings Based on Old Photos of Single Image

针对未知型号的相机拍摄的单幅已消失建筑的照片,基于平行线相对控制空间后方交会解法的摄影测量技术(灭点法),可解求出相片内方位元素及建筑物的高度信息,利用获取的老照片信息及相应的地形图数据对建筑物建模,恢复老建筑的空间三维数字模型,并采用3D打印技术,实现数字模型到实体模型的转化.以北京建筑大学老校区什锦花园为例进行研究.

For photographs of disappeared buildings imaged by a camera of an unknown model,based on the photogrammetry technique of the parallel line relative to the control space resection method,the height information of the orientation elements and buildings in the photograph can be obtained.The old photo information and corresponding topographic map data can be used to establish the model of building,to restore the spatial 3D digital model of the old building,and by using 3D printing technology to transform the digital model to the solid model.Taking the assorted carden on the old campus as an example,the research is carried out.