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Wen Wen

13 accepted papers

2026

Beyond Sharpness: A Flatness Decomposition Framework for Efficient Continual Learning

AAAI 2026technical

Continual Learning (CL) aims to enable models to sequentially learn multiple tasks without forgetting previous knowledge. Recent studies have shown that optimizing towards flatter loss minima can improve model generalization. However, existing sharpness-aware methods for CL suffer from two key limit

Cited by 0SourcePDFScholar
2026

Recovering Coherent Affective Patterns: Addressing Modality Missing in Multimodal Sentiment Analysis

AAAI 2026technical

Multimodal sentiment analysis (MSA) seeks to decode human emotions by integrating heterogeneous modalities. However, real-world scenarios often involve missing or misaligned data due to sensor failures or transmission errors, leading to disrupted temporal dynamics and degraded cross-modal correlatio

Cited by 0SourcePDFScholar
2026

Self-Evolving Vision-Language Models for Image Quality Assessment via Voting and Ranking

ICLR 2026poster

Improving vision-language models (VLMs) in the post-training stage typically relies on supervised fine-tuning or reinforcement learning, methods that necessitate costly, human-annotated data. While self-supervised techniques such as self-consistency have proven effective for enhancing reasoning cap…

Cited by 0SourceScholar
2025

An Ensemble Approach to Short-form Video Quality Assessment Using Multimodal LLM

ICASSP 2025accepted

The rise of short-form videos, characterized by diverse content, editing styles, and artifacts, poses substantial challenges for learning-based blind video quality assessment (BVQA) models. Multimodal large language models (MLLMs), renowned for their superior generalization capabilities, present a p…

Cited by 0SourceScholar
2025

Exactly Tight Information-theoretic Generalization Bounds via Binary Jensen-Shannon Divergence

ICML 2025poster

Information-theoretic bounds, while achieving significant success in analyzing the generalization of randomized learning algorithms, have been criticized for their slow convergence rates and overestimation. This paper presents novel bounds that bridge the expected empirical and population risks thro…

Cited by 0SourcePDFScholar
2025

InfoSAM: Fine-Tuning the Segment Anything Model from An Information-Theoretic Perspective

ICML 2025spotlight

The Segment Anything Model (SAM), a vision foundation model, exhibits impressive zero-shot capabilities in general tasks but struggles in specialized domains. Parameter-efficient fine-tuning (PEFT) is a promising approach to unleash the potential of SAM in novel scenarios. However, existing PEFT met…

2025

Neural Directed Speech Enhancement with Dual Microphone Array in High Noise Scenario

ICASSP 2025accepted

In multi-speaker scenarios, leveraging spatial features is essential for enhancing target speech. While with limited microphone arrays, developing a compact multi-channel speech enhancement system remains challenging, especially in extremely low signal-to-noise ratio (SNR) conditions. To tackle this…

Cited by 0SourceScholar
2025

Towards Generalization Bounds of GCNs for Adversarially Robust Node Classification

ICLR 2025poster

Adversarially robust generalization of Graph Convolutional Networks (GCNs) has garnered significant attention in various security-sensitive application areas, driven by intrinsic adversarial vulnerability. Albeit remarkable empirical advancement, theoretical understanding of the generalization behav…

Cited by 0SourcePDFScholar
2024

Learned Scanpaths Aid Blind Panoramic Video Quality Assessment

CVPR 2024poster

Panoramic videos have the advantage of providing an immersive and interactive viewing experience. Nevertheless their spherical nature gives rise to various and uncertain user viewing behaviors which poses significant challenges for panoramic video quality assessment (PVQA). In this work we propose a…

2024

Towards Sharper Generalization Bounds for Adversarial Contrastive Learning

IJCAI 2024poster

Recently, the enhancement on the adversarial robustness of machine learning algorithms has gained significant attention across various application domains. Given the widespread label scarcity issue in real-world data, adversarial contrastive learning (ACL) has been proposed to adversarially train ro…

Cited by 1SourcePDFScholar
2023

Generalization Bounds for Adversarial Metric Learning

IJCAI 2023poster

Recently, adversarial metric learning has been proposed to enhance the robustness of the learned distance metric against adversarial perturbations. Despite rapid progress in validating its effectiveness empirically, theoretical guarantees on adversarial robustness and generalization are far less und…

Cited by 1SourcePDFScholar