Author

Dong Zhang

2 papers indexed here

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#artificial intelligence Preprint Aug 2026

BiGraph-Diffuse: A Bidirectional Diffusion Language Model with Graph-Structured Retrieval For Mental Health Counseling

Mental health disorders affect hundreds of millions of people around the world, yet access to professional counseling remains severely limited. AI-powered dialogue systems offer a scalable alternative, but existing models face two fundamental challenges. First, they lack the bidirectional understanding needed to captur...

Yu-Xiang Cheng, Quan-Wei Tang, Lvhui Lu et al. · 0 citations

Conference Open access Aug 2026

PDD-RRG: Posterior Diagnostic Decision for Study-level Radiology Report Generation

This work creates various subsets of input data and utilizes an existing RRG model to generate reports from different perspectives and proposes a Posterior Diagnostic Decision framework (PDD-RRG) to integrate potentially conflicting diagnoses.

Yang Yu, Yi-Ming Ji, Bin Dai et al. · Proceedings of the Thirty-Fi... · 0 citations