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Liangli Zhen

7 accepted papers

2026

Noise-Adaptive Diffusion Sampling for Inverse Problems Without Task-Specific Tuning

ICLR 2026poster

Diffusion models (DMs) have recently shown remarkable performance on inverse problems (IPs). Optimization-based methods can fast solve IPs using DMs as powerful regularizers, but it is susceptible to local minima and noise overfitting. Although DMs can provide strong priors for Bayesian approaches,…

Cited by 0SourceScholar
2026

Rethinking KV Cache Eviction via a Unified Information-Theoretic Objective

ICML 2026poster

Key–value (KV) caching is essential for large language model inference, yet its memory overhead poses a critical bottleneck for long-context generation. Existing eviction policies predominantly rely on empirical heuristics, lacking a rigorous theoretical foundation. This work rethinks KV cache evict…

Cited by 0SourceScholar
2025

Deep Evidential Hashing for Trustworthy Cross-Modal Retrieval

AAAI 2025technical

Cross-modal hashing provides an efficient solution for retrieval tasks across various modalities, such as images and text. However, most existing methods are deterministic models, which overlook the reliability associated with the retrieved results. This omission renders them unreliable for determin…

2023

Generative Gradient Inversion via Over-Parameterized Networks in Federated Learning

ICCV 2023poster

Federated learning has gained recognitions as a secure approach for safeguarding local private data in collaborative learning. But the advent of gradient inversion research has posed significant challenges to this premise by enabling a third-party to recover groundtruth images via gradients. While p…

Cited by 13PDFcodeScholar
2022

Efficient Sharpness-aware Minimization for Improved Training of Neural Networks

ICLR 2022poster

Overparametrized Deep Neural Networks (DNNs) often achieve astounding performances, but may potentially result in severe generalization error. Recently, the relation between the sharpness of the loss landscape and the generalization error has been established by Foret et al. (2020), in which the Sha…