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    <title>AI 日报 · 多模态 · 2026-07-24</title>
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    <description>每日精选 AI 重要进展 —— 重要、精选、可读、低噪音、可溯源。</description>
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    <lastBuildDate>Fri, 24 Jul 2026 16:42:19 +0000</lastBuildDate>
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      <title>SANA-Video 2.0: Hybrid Linear Attention with Attention Residuals for Efficient Video Generation</title>
      <link>https://huggingface.co/papers/2607.21553</link>
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      <category>多模态</category>
      <description>发布SANA-Video 2.0，混合线性注意力实现高效720p视频生成。</description>
      <pubDate>Fri, 24 Jul 2026 16:42:19 +0000</pubDate>
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      <title>Inference-Time Scaling of Diffusion Models via Progressive Seed Pruning</title>
      <link>https://arxiv.org/abs/2607.21591v1</link>
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      <category>多模态</category>
      <description>提出渐进种子剪枝方法，在扩散模型推理时缩放计算，提升生成质量。</description>
      <pubDate>Fri, 24 Jul 2026 16:42:19 +0000</pubDate>
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      <title>Unified Video Dense Prediction from Disjoint Data</title>
      <link>https://arxiv.org/abs/2607.21592v1</link>
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      <category>多模态</category>
      <description>提出UniD统一视频密集预测框架，利用碎片化数据训练，无需完整标注或伪标签。</description>
      <pubDate>Fri, 24 Jul 2026 16:42:19 +0000</pubDate>
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      <title>Expanding Flow Maps</title>
      <link>https://arxiv.org/abs/2607.21585v1</link>
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      <category>多模态</category>
      <description>引入扩展生成流，定义流模型在递增维度间变换，支持变长度生成。</description>
      <pubDate>Fri, 24 Jul 2026 16:42:19 +0000</pubDate>
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