Geometric phase analysis
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Geometric phase analysis is a method for measuring and mapping displacement fields and strain fields from periodic lattices such as those found in {{high-resolution electron microscope (HREM) images|electron microscope}} [1]
- ^ {{title=Quantitative measurement of displacement and strain fields from HREM micrographs|year=1998|author=M.J., Hytch|journal=Ultramicroscopy|volume=74}}