collaborators

8 papers

cs.CL2026

Exploring More to Solve More: Boosting Diversity in Text Diffusion Models via Entropy-Based Guidance

Jingwei Zhang, Haoyu Lei, Zijin Feng +2

Although diffusion models have revolutionized continuous domains like image synthesis through high quality generations and controllable guidance mechanisms, bringing this controlla…

cs.LG2026

Boosting Cross-problem Generalization in Diffusion-Based Neural Combinatorial Solver via Inference Time Adaptation

Haoyu Lei, Kaiwen Zhou, Yinchuan Li +2

Diffusion-based Neural Combinatorial Optimization (NCO) has demonstrated effectiveness in solving NP-complete (NPC) problems by learning discrete diffusion models for solution gene…

cs.LG2026

Syndrome-Flow Consistency Model Achieves One-step Denoising Error Correction Codes

Haoyu Lei, Chin Wa Lau, Kaiwen Zhou +2

Error Correction Codes (ECC) are fundamental to reliable digital communication, yet designing neural decoders that are both accurate and computationally efficient remains challengi…

cs.IT2026

On the Fragility of AI-Based Channel Decoders under Small Channel Perturbations

Haoyu Lei, Mohammad Jalali, Chin Wa Lau +1

Recent advances in deep learning have led to AI-based error correction decoders that report empirical performance improvements over traditional belief-propagation (BP) decoding on…

cs.CV2025

SPARKE: Scalable Prompt-Aware Diversity and Novelty Guidance in Diffusion Models via RKE Score

Mohammad Jalali, Haoyu Lei, Amin Gohari +1

Diffusion models have demonstrated remarkable success in high-fidelity image synthesis and prompt-guided generative modeling. However, ensuring adequate diversity in generated samp…

cs.RO2025

Two-Steps Diffusion Policy for Robotic Manipulation via Genetic Denoising

Mateo Clemente, Leo Brunswic, Rui Heng Yang +5

Diffusion models, such as diffusion policy, have achieved state-of-the-art results in robotic manipulation by imitating expert demonstrations. While diffusion models were originall…