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Application of DCT Based Sub-Nyquist Sensing in Optical Interferometry

机译:基于DCT基的亚奈奎斯特传感在光学干涉测量中的应用

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We report the utility of sub-Nyquist sampled discrete cosine transform (DCT) sensing for the analysis of interferometric data. The interferogram corresponding to the gaseous flame has been recorded and analysed using DCT based compressed sensing (CS) algorithm. CS has been used to exploit image sparseness and allow image to be under sampled without the loss of information. The image has been successfully retrieved by using only 20% data of the original image.
机译:我们报告了亚奈奎斯特采样离散余弦变换(DCT)感测的实用性,以分析干涉数据。 使用基于DCT的压缩感测(CS)算法,记录和分析了对应于气体火焰的干涉图。 CS已被用于利用图像稀疏性,并允许在未丢失信息的情况下采样图像。 通过仅使用原始图像的20%数据成功检索图像。

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