Singapore Institute of Manufacturing Technology, 71 Nanyang Drive, 638075, Singapore.
J Biomed Opt. 2012 Jul;17(7):076029. doi: 10.1117/1.JBO.17.7.076029.
We present a reconstruction method to eliminate the autocorrelation noise (ACN) in optical coherence tomography (OCT). In this method, the optical fields scattered from the sample features are regarded as the response of a sparse finite impulse response (FIR) filter. Then the OCT reconstruction is formulated as one of identifying the parameters of a sparse FIR filter, which are obtained via an script-l optimization with soft thresholding. The experimental results show that the proposed method can obtain OCT reconstruction results with effective attenuation of ACN.
我们提出了一种重建方法来消除光学相干断层扫描（OCT）中的自相关噪声（ACN）。在这种方法中，从样品特征散射的光场被视为稀疏有限脉冲响应（FIR）滤波器的响应。然后，OCT 重建被表述为识别稀疏 FIR 滤波器参数的问题之一，这些参数通过带有软阈值的script-l优化获得。实验结果表明，所提出的方法可以获得有效衰减 ACN 的 OCT 重建结果。
