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Modal phase measuring deflectometry
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DOI：10.1364/OE.24.024649.png)
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Abstract
En 中文
In this work, a model based method is applied to phase measuring deflectometry, named modal phase measuring deflectometry. The height and slopes of the surface under test are represented by mathematical models and updated by optimizing the model coefficients to minimize the discrepancy between the reprojection in ray tracing and the actual measurement. The pose of the screen relative to the camera is pre-calibrated and further optimized together with the shape coefficients of the surface under test. Simulations and experiments are conducted to demonstrate the feasibility of the proposed approach. (C) 2016 Optical Society of America
Keywords:
WAVE-FRONT RECONSTRUCTION
3D SHAPE MEASUREMENT
ZERNIKE POLYNOMIALS
MIRROR
CALIBRATION
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