SYSTEM, METHOD, AND APPARATUS FOR EXTENDED FIELD DIGITAL HOLOGRAPHIC VIBRATION IMAGING VIA ALIASED SPARSE SPATIAL SAMPLING
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United States of America
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Mar 20, 2025
app pub date -
Sep 18, 2024
filing date -
Sep 18, 2024
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Abstract
A device may include a stable laser light source configured to provide a master reference in a Doppler vibrometer scheme, a camera configured to receive scattered light from an object and a reference beam, an optical device configured to generate multiple illumination beams, an acquisition system configured to acquire images and precision timing data returned from the object, and an image processor configured to demodulate light detected by the camera via digital holographic scheme. The example image processor performs pulse-pair Doppler processing to determine vibration of the object.
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