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Yunxiao Zhang

5 accepted papers

2026

Confusion-Aware Spectral Regularizer for Long-Tailed Recognition

CVPR 2026

Long-tailed image classification remains a long-standing challenge, as real-world data typically follow highly imbalanced distributions where a few head classes dominate and many tail classes contain only limited samples. This imbalance biases feature learning toward head categories and leads to sig

Cited by 0SourcecodeScholar
2026

Dual-Kernel Adapter: Expanding Spatial Horizons for Data-Constrained Medical Image Analysis

ICLR 2026poster

Adapters have become a widely adopted strategy for efficient fine-tuning of foundation models, particularly in resource-constrained settings. However, their performance under extreme data scarcity—common in medical imaging due to high annotation costs, privacy regulations, and fragmented datasets—re…

Cited by 0SourceScholar
2025

A Hierarchical Reasoning Framework for Complex Question Answering over Knowledge Graph with Reinforcement Learning

ICASSP 2025accepted

Knowledge graph question answering (KGQA) aims to answer natural language questions by reasoning across multiple triples in knowledge graphs (KGs). To enhance model interpretability, reinforcement learning based methods are introduced. However, existing methods struggle with effectively reasoning ov…

Cited by 0SourceScholar
2025

EDGE: Efficient Data Selection for LLM Agents via Guideline Effectiveness

IJCAI 2025

Large Language Models (LLMs) have shown remarkable capabilities as AI agents. However, existing methods for enhancing LLM-agent abilities often lack a focus on data quality, leading to inefficiencies and suboptimal results in both fine-tuning and prompt engineering. To address this issue, we introdu

Cited by 0SourcePDFScholar
2023

Aligning Gradient and Hessian for Neural Signed Distance Function

NeurIPS 2023poster

The Signed Distance Function (SDF), as an implicit surface representation, provides a crucial method for reconstructing a watertight surface from unorganized point clouds. The SDF has a fundamental relationship with the principles of surface vector calculus. Given a smooth surface, there exists a th…

Cited by 4SourcePDFScholar