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首页> 外文期刊>Haptics, IEEE Transactions on >Effects of Packet Loss and Latency on the Temporal Discrimination of Visual-Haptic Events
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Effects of Packet Loss and Latency on the Temporal Discrimination of Visual-Haptic Events

机译：数据包丢失和延迟对视觉-触觉事件的时间区分的影响

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摘要

Temporal discontinuities and delay caused by packet loss or communication latency often occur in multimodal telepresence systems. It is known that such artifacts can influence the feeling of presence [1]. However, it is largely unknown how the packet loss and communication latency affect the temporal perception of multisensory events. In this article, we simulated random packet dropouts and communication latency in the visual modality and investigated the effects on the temporal discrimination of visual-haptic collisions. Our results demonstrated that the synchronous perception of crossmodal events was very sensitive to the packet loss rate. The packet loss caused the impression of time delay and influenced the perception of the subsequent events. The perceived time of the visual event increased linearly, and the temporal discrimination deteriorated, with increasing packet loss rate. The perceived time was also influenced by the communication delay, which caused time to be slightly overestimated.
机译：由分组丢失或通信等待时间引起的时间不连续性和延迟通常在多模式远程呈现系统中发生。众所周知，这些伪影会影响到存在感[1]。然而，很大程度上未知分组丢失和通信等待时间如何影响多感官事件的时间感知。在本文中，我们模拟了视觉模态中的随机数据包丢失和通信延迟，并研究了对视觉-触觉碰撞的时间区分的影响。我们的结果表明，交叉模式事件的同步感知对丢包率非常敏感。数据包丢失引起时间延迟的印象，并影响了后续事件的感知。视觉事件的感知时间随着数据包丢失率的增加而线性增加，时间分辨力恶化。感知的时间还受到通信延迟的影响，这导致时间被略微高估。

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