SCAP：Stiefel流形路由的双线性SPD层

1. 12:00
   arXiv · Statistics Machine Learning

   突破容量上限：在 Stiefel 流形上为双线性 SPD 层做路由

   论文提出 SCAP（Stiefel Cross-Attention Pool），用 K 个专家池经 cross-attention 组合成样本专属双线性映射，替代 SPDNet 中堆叠 BiMap 与 ReEig 的固定滤波结构。

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