触觉数据有损压缩的量化方法

T. Nakano, Seiji Uozumi, Rolf Johansson, K. Ohnishi
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引用次数: 10

摘要

本文提出了一种用于触觉数据压缩的量化方案,并描述了其在运动复制系统中的应用结果。对图像和音频数据的压缩进行了大量的研究。然而,尽管触觉数据量普遍较大,但对触觉数据的压缩研究还不多。本文采用离散余弦变换(DCT)对触觉数据进行有损压缩。提出了一种利用离散余弦变换特性的量化方法。与传统方法相比,该方法具有更高的信噪比。实验验证了该方法的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A quantization method for haptic data lossy compression
In this paper, a quantization scheme for haptic data compression is proposed and the results of its application to a motion copying system are described. The data compression of image and audio data has been researched a lot. However, the data compression of haptic data has not been much researched yet although the amount of haptic data is large in general. The discrete cosine transform (DCT) is used for the lossy compression of haptic data in this paper. A new quantization scheme using characteristics of DCT is proposed. By using a proposed method, a larger signal-to-noise ratio compared to conventional method is achieved. In the experiment, the validity of the proposed method was verified.
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