technique
intra-frame token sparsification
techniqueactiveprovisional
intra-frame-token-sparsification-4f8d650c·1 events·first seen 22d agoAliases: intra-frame token sparsification
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Good Token Hunting: Token Selection Framework for Visual Geometry Transformers
This paper introduces a two-stage token selection framework to address the quadratic computational scaling of global attention in visual geometry transformers used for multi-view 3D reconstruction. The approach combines diversity-based inter-frame selection (frame-level) with entropy-guided intra-frame sparsification (token-level within frames). Experiments demonstrate over 85% acceleration for 500-image scenes while maintaining or improving baseline reconstruction quality, offering a favorable speed-accuracy trade-off.