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Compression of digital hologram for three-dimensional object using Wavelet-Bandelets transform

机译:小波带变换对三维物体的数字全息图压缩

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摘要

In the transformation based compression algorithms of digital hologram for three-dimensional object, the balance between compression ratio and normalized root mean square (NRMS) error is always the core of algorithm development. The wavelet transform method is efficient to achieve high compression ratio but NRMS error is also high. In order to solve this issue, we propose a hologram compression method using Wavelet-Bandelets transform. Our simulation and experimental results show that the Wavelet-Bandelets method has a higher compression ratio than Wavelet methods and all the other methods investigated in this paper, while it still maintains low NRMS error.
机译:在基于变换的三维物体数字全息图压缩算法中,压缩比与归一化均方根误差之间的平衡始终是算法开发的核心。小波变换方法可以有效地实现高压缩比,但NRMS误差也很高。为了解决这个问题,我们提出了一种使用小波-带子变换的全息图压缩方法。我们的仿真和实验结果表明,小波子带方法比小波方法和本文研究的所有其他方法具有更高的压缩率,同时仍然保持较低的NRMS误差。

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