Profiling of objects with height steps by wavelet analysis of shadow moiré fringes

• المؤلفون الرئيسيون: Quan, Chenggen, Fu, Yu, Tay, Cho Jui, Tan, Jia Min
• مؤلفون آخرون: Temasek Laboratories
• التنسيق: مقال
• اللغة: English
• منشور في: 2010
• الموضوعات: DRNTU::Science::Physics::Optics and light
• الوصول للمادة أونلاين: https://hdl.handle.net/10356/91921; http://hdl.handle.net/10220/6464
• المؤسسة: Nanyang Technological University

A temporal wavelet analysis algorithm is proposed for shadow-moiré-based three-dimensional surface profiling on objects having discontinuous height steps. A grating is positioned close to an object, and its shadow is observed through the grating. The moiré fringe patter...