Systems and methods for simulation of shearographic imaging
US10931899B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 17, 2019 |
| Grant date | Feb 23, 2021 |
| Priority date | — |
| Expiry date | Dec 17, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/48
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Systems and methods for computationally simulating and optimizing shearography systems are provided. The systems and methods for simulation and optimization avoid ray tracing, and, instead, implement a phase screen approach to image computation. The systems and methods include physics-based surface texture and surface motion simulations, the application of phase screens to computer-generated simulations of shearographic remote sensing, and the inclusion of de-polarization due to multiple scattering and birefringence at a surface being imaged. The systems and methods include further greatly optimize diffraction computations by treating an optical transfer function (OTF) of an arbitrary aperture as a sum of separable OTFs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.