Robust method to improve the quality of shearographic phase maps obtained in harsh environments
Author:
Funder
Petrobras
National Council for Scientific and Technological Development (CNPq)
Publisher
The Optical Society
Reference8 articles.
1. General algorithm of phase-shifting interferometry by iterative least-squares fitting
2. Phase Maps Retrieval from Sequences of Phase Shifted Images with Unknown Phase Steps Using Generalized N-Dimensional Lissajous Figures—Principles and Applications
3. Comparison between temporal and spatial phase unwrapping for damage detection using shearography
4. Defect assessment of bonded joints of composite tubes using shearography
5. Direct least square fitting of ellipses
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1. Noise Analysis Directly on Shearography Wrapped Phase Maps;IEEE Transactions on Instrumentation and Measurement;2024
2. Two procedures for out-of-plane displacement calculation in simultaneous shearography images;Optics and Lasers in Engineering;2022-02
3. Procedure for detecting the shape and size of defects on metallic substrates under composite repairs using shearography;Applied Optics;2020-09-14
4. Diameter quantification of through holes in pipelines hidden by protective layers of composite materials using instantaneous shearography simultaneously in three shearing directions;Optical Measurement Systems for Industrial Inspection XI;2019-06-21
5. The Effectiveness of Laser Shearography for the Inspection of Wall Thinning in a Large Aluminum Plate;Journal of Nondestructive Evaluation;2019-04-30
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