collaborators

5 papers

cs.CV2026

Bridging Language and Spherical Space: Object-Centric Control for Text-to-Panorama Generation

Derui Li, Qian Qiao, Yuhao Sun +2

Panoramic image generation is increasingly important for immersive applications such as virtual reality, augmented reality, and 3D content creation. Unlike perspective images, pano…

cs.AI2026

SafePyramid: A Hierarchical Benchmark for In-context Policy Guardrailing

Jiacheng Zhang, Haoyu He, Sen Zhang +5

In real-world applications, guardrails are often expected to identify unsafe user-model interactions according to application-specific safety policies, rather than relying on prede…

cs.AI2026

From Risk Classification to Action Plan Remediation: A Guardrail Feedback Driven Framework for LLM Agents

Yuhao Sun, Jiacheng Zhang, Shaanan Cohney +3

LLM-based guardrails typically safeguard agents by evaluating proposed actions or inputs before execution, producing safety signals such as binary allow/deny decisions, risk catego…

cs.CV2026

Let's Roll a BiFTA: Bi-refinement for Fine-grained Text-visual Alignment in Vision-Language Models

Yuhao Sun, Chengyi Cai, Jiacheng Zhang +3

Recent research has shown that aligning fine-grained text descriptions with localized image patches can significantly improve the zero-shot performance of pre-trained vision-langua…

cs.CV2025

Sample-Specific Noise Injection For Diffusion-Based Adversarial Purification

Yuhao Sun, Jiacheng Zhang, Zesheng Ye +2

Diffusion-based purification (DBP) methods aim to remove adversarial noise from the input sample by first injecting Gaussian noise through a forward diffusion process, and then rec…