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Systems and methods for performing phase-sensitive acoustic vibrations using optical coherence tomography
专利权人:
AUDIOPTICS MEDICAL INCORPORATED
发明人:
Daniel MacDougall,Robert Adamson
申请号:
US16488406
公开号:
US10687738B2
申请日:
2018.02.22
申请国别(地区):
US
年份:
2020
代理人:
摘要:
Systems and methods are provided for performing phase-sensitive optical coherence tomographic (PS-OCT) measurements involving the vibrographic response of an acoustic stimulus. Detected signals are processed to provide sampled time-dependent vibrographic data characterizing a vibratory amplitude and phase response over one or more periods of the acoustic stimulus. The sampled time-dependent vibrographic data is processed to suppress the sinusoidal signal component associated with the acoustic stimulus, thereby providing a residual data associated with noise. The residual data is processed to obtain an estimate of the motion noise, and the motion noise is subtracted from the sampled time-dependent vibrographic data in order to provide noise-corrected vibrographic data. The noise-corrected vibrographic data can be processed to obtain one or more vibrographic measures and/or one or more images.
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