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新CoDy框架利用视频编解码器动力学进行无监督动作定位

研究人员推出了一种用于视频无监督时间动作定位的新颖框架CoDy。CoDy利用视频编解码器量化模式中固有的动力学,这些模式已被证明可以保留类别判别信息并突出动作转换。通过将这种编解码器增强的视图与传统的RGB和光流表示相结合,CoDy生成可靠的伪标签和一种与类别无关的边界先验。该方法在THUMOS14和ActivityNet v1.3等基准数据集上展示了最先进的性能,将编解码器信号确立为用于动作识别和定位的有效的无标注先验。 AI

影响 这项研究通过利用编解码器动力学,引入了一种新颖的视频分析方法,有望提高无监督动作识别任务的效率和准确性。

排序理由 该集群包含一篇详细介绍无监督时间动作定位新方法的学术论文。[lever_c_demoted from research: ic=1 ai=1.0]

在 arXiv cs.CV 阅读 →

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新CoDy框架利用视频编解码器动力学进行无监督动作定位

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该集群包含一篇详细介绍无监督时间动作定位新方法的学术论文。[lever_c_demoted from research: ic=1 ai=1.0]
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报道来源 [1]

  1. arXiv cs.CV TIER_1 English(EN) · Tianyu Yan, Qingyi Yang, Qin Yang, Xufei Guo, Yuan Tang, Rui Wang, Yixue Hao, Long Hu ·

    CoDy:作为无监督时间动作定位的互补先验的编解码器动力学

    arXiv:2610.19880v1 Announce Type: new Abstract: Unsupervised temporal action localization (UTAL) aims to identify action categories and localize their temporal boundaries without annotation supervision. Existing methods typically derive supervision for both tasks solely from RGB …