同济大学学报（自然科学版）2013，Vol.41Issue(9)：1298-1304,7.DOI:10.3969/j.issn.0253-374x.2013.09.004
自动判别基坑支撑位置的图像识别方法
Automatic Identification of Braced Excavation Support Positions Photogrammetry
摘要
Abstract
The paper presents a design information-based photogrammetric technique to identify the support positions of braced excavations.First,the acquired image is rectified based on laboratory camera calibration parameters.Then,the position and orientation of the camera in the real world are calculated with the control points method.Support regions designated in the design are projected to the image according to the pinhole camera model.Features of the support regions are extracted from the image and analyzed by using a proposed color component relationship to determine whether the support is constructed or not.Finally,all support positions can be determined according to design information and their positions can be identified one by one.This technique can effectively avoid interference caused by complex construction environment.A case study of this technique in a braced excavation project is also presented.The application shows this technique is practicable and effective.关键词
支撑位置/设计信息/数字照相/识别Key words
support positions/ design information/photogrammetry/ identification分类
数理科学引用本文复制引用
李晓军,孙仕敏,朱合华..自动判别基坑支撑位置的图像识别方法[J].同济大学学报（自然科学版）,2013,41(9):1298-1304,7.基金项目
"十二五"国家科技支撑计划(2012BAJ01B02) （2012BAJ01B02）
国家"九七三"重点基础研究发展计划(2011CB013800) （2011CB013800）
长江学者和创新团队发展计划(IRT1029) （IRT1029）
中央高校基本科研业务费专项资金 （）
