collaborators

5 papers

cs.LG2026

Value-Rectified Distillation for Flow-based Offline Reinforcement Learning

Ke Jiang, Wen Jiang, Yoshinobu Kawahara +1

We aim to address the problem of Out-of-Distribution (OOD) Mode Averaging, a critical problem that emerges when distilling Flow Matching (FM) based behavior policies in offline Rei…

cs.CV2025

Contrastive Desensitization Learning for Cross Domain Face Forgery Detection

Lingyu Qiu, Ke Jiang, Xiaoyang Tan

In this paper, we propose a new cross-domain face forgery detection method that is insensitive to different and possibly unseen forgery methods while ensuring an acceptable low fal…

cs.CV2025

RoGA: Towards Generalizable Deepfake Detection through Robust Gradient Alignment

Lingyu Qiu, Ke Jiang, Xiaoyang Tan

Recent advancements in domain generalization for deepfake detection have attracted significant attention, with previous methods often incorporating additional modules to prevent ov…

cs.LG2025

Variational OOD State Correction for Offline Reinforcement Learning

Ke Jiang, Wen Jiang, Xiaoyang Tan

The performance of Offline reinforcement learning is significantly impacted by the issue of state distributional shift, and out-of-distribution (OOD) state correction is a popular…

cs.LG2025

Beyond Non-Expert Demonstrations: Outcome-Driven Action Constraint for Offline Reinforcement Learning

Ke Jiang, Wen Jiang, Yao Li +1

We address the challenge of offline reinforcement learning using realistic data, specifically non-expert data collected through sub-optimal behavior policies. Under such circumstan…