Xin Cai
2 indexed papers
Recent (6 mo)
2With code
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226
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Vision×1AI×1Info Retrieval×1
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Research Timeline
2026
Xetrieval: Mechanistically Explaining Dense Retrieval
Xetrieval introduces an embedding-level framework to mechanistically explain dense retrieval decisions by decomposing high-dimensional embeddings into sparse, human-interpretable features.
Twins: Learn to Predict Unified Representations with Focal Loss
This paper proposes Twins, a unified continuous token space for multimodal models using ViT and VAE features, and addresses optimization imbalance with a focal regression objective.
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Papers
cs.CVEmpiricalRecentJul 24, 2026
Twins: Learn to Predict Unified Representations with Focal Loss
Kaixiong Gong, Xin Cai, Bin Lin, Hao Wang +8 more
This paper proposes Twins, a unified continuous token space for multimodal models using ViT and VAE features, and addresses optimization imbalance with a focal regression objective.
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cs.AIcs.IRRecentMay 28, 2026