Sheng Gao
2 indexed papers
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226
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AI×2Graphics×1Vision×1ML×1Multimedia×1
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Research Timeline
2026
Beyond Trajectory Rewards: Step-level Credit Assignment for Agentic Search via Graph Modeling
The paper introduces Graph-Distance Contribution Reward (GDCR) and Step Advantage Policy Optimization (SAPO) to provide fine-grained, step-level credit assignment for agentic search by modeling world knowledge as a latent graph.
Temporally-Aligned Evaluation for Audio-Driven Talking Head Generation
The paper proposes a sequence-alignment framework using Soft Dynamic Time Warping to evaluate audio-driven talking-head generation, demonstrating that this approach provides more robust and fair comparisons than traditional frame-wise metrics.
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Papers
cs.GRcs.AIcs.CVRecentMay 31, 2026
Temporally-Aligned Evaluation for Audio-Driven Talking Head Generation
The paper proposes a sequence-alignment framework using Soft Dynamic Time Warping to evaluate audio-driven talking-head generation, demonstrating that this approach provides more robust and fair compa…
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cs.AIRecentMay 28, 2026