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Diffusion-model-based inverse problem processing for optically-measured sound field
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DOI：10.1364/OE.537802.png)
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Abstract
En 中文
This paper proposes a diffusion-model-based method for addressing inverse problems in optical sound-field imaging. Optical sound-field imaging, known for its high spatial resolution, measures sound by detecting small variations in the refractive index of air caused by sound but often suffers from unavoidable noise contamination. Therefore, we present a diffusion model-based approach for sound-field inverse problems, including denoising, noisy sound-field reconstruction and extrapolation. During inference, sound-field degradation is introduced into the inverse denoising process, with range-null space decomposition used as a solver to handle degradation, iteratively generating degraded sound-field information. Numerical experiments show that our method outperforms other deep-learning-based methods in denoising and reconstruction tasks, and obtains effective results in extrapolation task. The experimental results demonstrate the applicability of our model to the real world.
Keywords:
FRINGE PATTERN
PHASE
RECONSTRUCTION
Journal
IF:
3.3
Papers:
6.1W
Citations:
14.3W
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Time-directional filtering of wrapped phase for observing transient phenomena with parallel phase-shifting interferometry.png)
OPTICS EXPRESS
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OPTICS EXPRESSIF3.3
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