3 papers
cs.LG2026
GDPO: Mitigating Multi-Reward Conflicts via Group-Dynamic reward-Decoupled Policy Optimization
Haotian Liu, Yihao Liu, Jingwei Ni +11
As LLMs advance, post-training reinforcement learning (RL) increasingly relies on multi-dimensional rewards to cultivate comprehensive capabilities. This shift demands new algorith…
cs.LG2025
VARMA-Enhanced Transformer for Time Series Forecasting
Jiajun Song, Xiaoou Liu
Transformer-based models have significantly advanced time series forecasting. Recent work, like the Cross-Attention-only Time Series transformer (CATS), shows that removing self-at…
cs.CV2025
SalientFusion: Context-Aware Compositional Zero-Shot Food Recognition
Jiajun Song, Xiaoou Liu
Food recognition has gained significant attention, but the rapid emergence of new dishes requires methods for recognizing unseen food categories, motivating Zero-Shot Food Learning…