多维信号差分脉冲码调制插补器参数空间降维

2019 7th International Symposium on Digital Forensics and Security (ISDFS) Pub Date : 2019-06-01 DOI:10.1109/ISDFS.2019.8757494

A. Maksimov, M. Gashnikov

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引用次数: 1

摘要

本文提出了一种新的参数化差分脉冲编码调制插补器。利用处理后的样本附近信号样本的对应关系来选择插值方法。在优化过程中，所提出的插补器的插补误差最小。在优化之前，为了降低计算复杂度，减小了参数范围维数。实验研究表明，该插值器优于非参数化插值器

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Parameter space dimension reduction for multidimensional signals differential pulse-code modulation interpolator

In this paper, new parameterized differential pulse-code modulation interpolator is proposed. It uses the correspondence of signal samples in the processed sample vicinity to select the interpolation method. Interpolation error of proposed interpolator is minimized during the optimization procedure. Before the optimization, the parameter range dimension is reduced in order to lower the computational complexity. Experimental research shows that proposed interpolator outperforms the non-parameterized one

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来源期刊

2019 7th International Symposium on Digital Forensics and Security (ISDFS)

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