activity
20192026
most citedTowards Evaluating the Robustness of Deep Diagnostic Models by Adversarial Attack

58 citations · 101 across the 18 of their papers we have counts for

collaborators

20 papers

cs.AI2026

Counterfactual Regret for Reflective Agents with Lean-Verified Guarantees

Zhongnian Li, Shi Xu, Mengting Xu +2

Reflective language agents reuse feedback and memory to adapt across tasks without updating model weights. However, existing guarantees for policy selection and action generation d…

cs.AI2026

Think in Strategies, Act with Tools: Traceable Agentic Optimization for Combinatorial Problems

Zhongnian Li, Shi Xu, Peng Ying +3

Optimization by PROmpting (OPRO) directly leverages Large Language Models (LLMs) to generate candidate solutions through natural-language prompting. However, OPRO's optimization pr…

cs.CV2026

One Shared LoRA Weight for MRI Reconstruction across Acceleration Factors

Zhiwei Zhao, Weikang Gong, Zhongnian Li +1

Accelerated MRI reconstruction recovers images from undersampled k-space. However, different acceleration factors produce distinct artifact patterns. Existing methods often train s…

cs.LG2026

Selectivity Matters: Source Node Influence Pruning for Unsupervised Graph Domain Adaptation

Ridong Han, Yawen Shen, Zhongnian Li +3

Unsupervised Graph Domain Adaptation (UGDA) aims to facilitate knowledge transfer from a labeled source graph to an unlabeled target graph by mitigating cross-domain distribution s…

cs.SE2026

CoDe-R: Refining Decompiler Output with LLMs via Rationale Guidance and Adaptive Inference

Qiang Zhang, Zhongnian Li

Binary decompilation is a critical reverse engineering task aimed at reconstructing high-level source code from stripped executables. Although Large Language Models (LLMs) have rec…

eess.SP2025

Deep Learning Based Joint Channel Estimation and Positioning for Sparse XL-MIMO OFDM Systems

Zhongnian Li, Chao Zheng, Jian Xiao +4

This paper investigates joint channel estimation and positioning in near-field sparse extra-large multiple-input multiple-output (XL-MIMO) orthogonal frequency division multiplexin…

cs.LG2024

Learning from True-False Labels via Multi-modal Prompt Retrieving

Zhongnian Li, Jinghao Xu, Peng Ying +2

Pre-trained Vision-Language Models (VLMs) exhibit strong zero-shot classification abilities, demonstrating great potential for generating weakly supervised labels. Unfortunately, e…

cs.LG2024

Determined Multi-Label Learning via Similarity-Based Prompt

Meng Wei, Zhongnian Li, Peng Ying +2

In multi-label classification, each training instance is associated with multiple class labels simultaneously. Unfortunately, collecting the fully precise class labels for each tra…

cs.LG2024★ 3 cited

Learning from Reduced Labels for Long-Tailed Data

Meng Wei, Zhongnian Li, Yong Zhou +1

Long-tailed data is prevalent in real-world classification tasks and heavily relies on supervised information, which makes the annotation process exceptionally labor-intensive and…

cs.LG2023

Multi-label Learning from Privacy-Label

Zhongnian Li, Haotian Ren, Tongfeng Sun +1

Multi-abel Learning (MLL) often involves the assignment of multiple relevant labels to each instance, which can lead to the leakage of sensitive information (such as smoking, disea…

cs.LG2023

Learning from Stochastic Labels

Meng Wei, Zhongnian Li, Yong Zhou +2

Annotating multi-class instances is a crucial task in the field of machine learning. Unfortunately, identifying the correct class label from a long sequence of candidate labels is…

cs.LG2022

Complementary Labels Learning with Augmented Classes

Zhongnian Li, Jian Zhang, Mengting Xu +2

Complementary Labels Learning (CLL) arises in many real-world tasks such as private questions classification and online learning, which aims to alleviate the annotation cost compar…

cs.LG2022★ 20 cited

Class-Imbalanced Complementary-Label Learning via Weighted Loss

Meng Wei, Yong Zhou, Zhongnian Li +1

Complementary-label learning (CLL) is widely used in weakly supervised classification, but it faces a significant challenge in real-world datasets when confronted with class-imbala…

cs.LG2022

Learning from Positive and Unlabeled Data with Augmented Classes

Zhongnian Li, Liutao Yang, Zhongchen Ma +3

Positive Unlabeled (PU) learning aims to learn a binary classifier from only positive and unlabeled data, which is utilized in many real-world scenarios. However, existing PU learn…

cs.LG2022★ 17 cited

InfoAT: Improving Adversarial Training Using the Information Bottleneck Principle

Mengting Xu, Tao Zhang, Zhongnian Li +1

Adversarial training (AT) has shown excellent high performance in defending against adversarial examples. Recent studies demonstrate that examples are not equally important to the…

eess.IV2022★ 3 cited

Low-Dose CT Denoising via Sinogram Inner-Structure Transformer

Liutao Yang, Zhongnian Li, Rongjun Ge +3

Low-Dose Computed Tomography (LDCT) technique, which reduces the radiation harm to human bodies, is now attracting increasing interest in the medical imaging field. As the image qu…

cs.CV2022

Scale-Invariant Adversarial Attack for Evaluating and Enhancing Adversarial Defenses

Mengting Xu, Tao Zhang, Zhongnian Li +1

Efficient and effective attacks are crucial for reliable evaluation of defenses, and also for developing robust models. Projected Gradient Descent (PGD) attack has been demonstrate…

cs.CV2021★ 58 cited

Towards Evaluating the Robustness of Deep Diagnostic Models by Adversarial Attack

Mengting Xu, Tao Zhang, Zhongnian Li +2

Deep learning models (with neural networks) have been widely used in challenging tasks such as computer-aided disease diagnosis based on medical images. Recent studies have shown d…

cs.LG2021

Improving the Certified Robustness of Neural Networks via Consistency Regularization

Mengting Xu, Tao Zhang, Zhongnian Li +1

A range of defense methods have been proposed to improve the robustness of neural networks on adversarial examples, among which provable defense methods have been demonstrated to b…

cs.CV2019

SEGAN: Structure-Enhanced Generative Adversarial Network for Compressed Sensing MRI Reconstruction

Zhongnian Li, Tao Zhang, Peng Wan +1

Generative Adversarial Networks (GANs) are powerful tools for reconstructing Compressed Sensing Magnetic Resonance Imaging (CS-MRI). However most recent works lack exploration of s…