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    <title>Yucheng Zhao | ViLab</title>
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    <description>Yucheng Zhao</description>
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      <title>Yucheng Zhao</title>
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      <title>Panacea: Panoramic and controllable video generation for autonomous driving</title>
      <link>https://vilab.team/publication/panacea-panoramic-and-controllable-video-generation-for-auto/</link>
      <pubDate>Mon, 01 Jan 2024 00:00:00 +0000</pubDate>
      <guid>https://vilab.team/publication/panacea-panoramic-and-controllable-video-generation-for-auto/</guid>
      <description>&lt;p&gt;本文提出Panacea，一种面向自动驾驶场景的全景可控视频生成方法。该方法通过创新的4D注意力机制和两阶段生成流程，有效解决了生成视频中的时间与跨视角一致性问题；同时引入ControlNet框架，利用鸟瞰图（BEV）布局对生成内容进行精细控制。在nuScenes数据集上的实验表明，Panacea能够生成高质量的多视角驾驶视频，为BEV感知任务提供丰富的训练数据增强，推动自动驾驶感知技术的发展。&lt;/p&gt;
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      <title>Attention-guided contrastive masked image modeling for transformer-based self-supervised learning</title>
      <link>https://vilab.team/publication/attention-guided-contrastive-masked-image-modeling-for-trans/</link>
      <pubDate>Sun, 08 Oct 2023 00:00:00 +0000</pubDate>
      <guid>https://vilab.team/publication/attention-guided-contrastive-masked-image-modeling-for-trans/</guid>
      <description>&lt;p&gt;本文提出注意力引导的对比掩码图像建模方法（ACoMIM），融合对比学习与掩码图像建模两种自监督范式，并利用视觉Transformer的注意力机制提升表征能力。该方法包含两个预训练任务：一是根据注意力引导预测掩码区域的特征，二是比较掩码图像与未掩码图像的全局特征。两个任务相互补充，有效缓解了图像信息稀疏与分布不均的问题，在多种下游任务上验证了方法的有效性。&lt;/p&gt;
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