航空发动机内部损伤的三维测量与重建

针对航空发动机内部重要部件结构损伤 ,如燃烧室烧伤和腐蚀、叶片裂纹、碰磨及凹坑等的孔探检测问题 ,开发了发动机内部损伤的三维测量与重建系统。该系统利用日本OLYMPUS孔探仪作为系统硬件 ,实现了图像采集、摄像机标定、图像预处理、立体匹配、三维计算及重建等功能模块 ,该系统能够为详细观察和评价发动机内部损伤提供了更为准确和直观的依据。应用实例验证了方法的有效性

3D Measurement and Stereo Reconstruction for Aeroengine Interior Damage

The borescopy inspection problem of aeroengine interior important part damages such as firebox's burn and corruption, vane's crack, bump, abrade and concave pit, is aimed at. A new system is developed to carry out 3D measurement and stereo reconstruction of engine interior damage, in which the borescope of Japanese OLYMPUS Corporation is used as hardware. In the system, functions are implemented, such as image collection, camera calibration, image preprocessing, stereo matching, 3D measurement and stereo reconstruction. It can provide more detailed inspection and more accurate estimation of engine interior damages. Finally, an example is used to verify the effectivity of the new method.