Article

BOPA-Fast: Bipolar Outer Product Attention for Efficient and Interpretable Multimodal Fusion

2026-01-05

Abstract excerpt

Multimodal learning benefits from combining complementary signals, yet prevailing fusion strategies have inherent limits. Token-level attention emphasizes sample-tosample alignment and overlooks fine-grained feature interactions, while bilinear pooling typically relies on dimensionality reduction or coarse approximations that discard structure. Even recent attention variants compress features and suppress negative...

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Literature Corpus work: 89e20217-8cd3-527d-8c77-ba6679401892
DOI: 10.22541/au.176764470.08772423/v1

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