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author:

Xu, Yiwen (Xu, Yiwen.) [1] | Huang, Qingfeng (Huang, Qingfeng.) [2] | Zheng, Quanfei (Zheng, Quanfei.) [3] | Fang, Ying (Fang, Ying.) [4] | Zhao, Tiesong (Zhao, Tiesong.) [5]

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Abstract:

Integrating haptic feedback with audio and video not only expands the perceptual dimensions of multimedia applications but also enhances user engagement and experience. However, higher signal sampling rates and multi-degree-freedom in haptic interaction increase data significantly. For low-latency and reliable transmission of haptic signal (i.e. tactile and kinesthetic signals), efficient haptic coding is crucial. Existing algorithms overlook haptic signal characteristics, leaving room for improvement. We analyze the statistical characteristics of kinesthetic signals in-depth. Based on the local linear characteristics of position and velocity signals, and the sparse distribution of force signal, we propose an improved kinesthetic coding algorithm by combining dead-zone coding with segmented linear prediction. Extensive experiments on the standard datasets of the IEEE P1918.1.1 Haptic Codecs Task Group demonstrate the superior performance compared to state-of-the-art methods, achieving a more than halved reduction in data transmission rates with high signal-to-noise ratios and structural similarity. © 1994-2012 IEEE.

Keyword:

Data compression Degrees of freedom (mechanics) Forecasting Haptic interfaces Signal encoding Signal sampling Signal to noise ratio Ultrasonic devices

Community:

  • [ 1 ] [Xu, Yiwen]Fuzhou University, Fujian Key Lab for Intelligent Processing and Wireless Transmission of Media Information, Fuzhou; 350025, China
  • [ 2 ] [Xu, Yiwen]Fuzhou University, College of Zhicheng, Fuzhou; 350025, China
  • [ 3 ] [Huang, Qingfeng]Fuzhou University, Fujian Key Lab for Intelligent Processing and Wireless Transmission of Media Information, Fuzhou; 350025, China
  • [ 4 ] [Zheng, Quanfei]Fuzhou University, Fujian Key Lab for Intelligent Processing and Wireless Transmission of Media Information, Fuzhou; 350025, China
  • [ 5 ] [Fang, Ying]Fuzhou University, Fujian Key Lab for Intelligent Processing and Wireless Transmission of Media Information, Fuzhou; 350025, China
  • [ 6 ] [Zhao, Tiesong]Fuzhou University, Fujian Key Lab for Intelligent Processing and Wireless Transmission of Media Information, Fuzhou; 350025, China

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Source :

IEEE Signal Processing Letters

ISSN: 1070-9908

Year: 2024

Volume: 31

Page: 2530-2534

3 . 2 0 0

JCR@2023

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ESI Highly Cited Papers on the List: 0 Unfold All

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30 Days PV: 0

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