基于近景摄影测量的规则几何部件的建模研究

Research on Modeling for Regular Geometric Part Based on Colse-range Photogrammetry

基于近景摄影测量的方法重建具有规则的几何模型的部件需要参数化的表达方法,利用已知模型确定的几何性质,在影像上提取特征并量测确定模型的空间位置和自由度,在精度要求较高的情况下,需要结合影像进行高精度的匹配量测。通过对线框模型的三角化获取适合纹理映射的表面模型,从而尽可能的构建出真实感的部件。

D Reconstruction of parts with regular geometric model based on close-range photogrammetry are presented by parameter model. With the certain geometric information of the model and feature extracted in the image, model's spatial position and azimuth can be measured. Inneed of high precision, measure needs image-matching precisely. Surface model fitting for texture mapping can be formed by triangulation of frame model, and 3D model of parts with reality can be constructed. The argument and experiments mainly concentrated on plane's parts with the shape of circle.