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Zhang Yi

8 accepted papers

2026

CNM-UNet: Continuous Ordinary Differential Equations for Medical Image Segmentation

AAAI 2026technical

Integrating Ordinary Differential Equations (ODEs) with U-shaped neural networks has emerged as a novel direction in medical image segmentation. Current networks predominantly employ discretization methods incorporating ODEs. However, these methods face inherent trade-offs between model compactness,

Cited by 0SourcePDFScholar
2026

Class Incremental Medical Image Segmentation via Prototype-Guided Calibration and Dual-Aligned Distillation

AAAI 2026technical

Class incremental medical image segmentation (CIMIS) aims to preserve knowledge of previously learned classes while learning new ones without relying on old-class annotations. However, existing methods 1) either adopt one-size-fits-all strategies that treat all spatial regions and feature channels e

Cited by 0SourcePDFScholar
2026

GeoCoBox: Box-supervised 3D Tumor Segmentation via Geometric Co-embedding

AAAI 2026technical

Data economics drives AI by optimizing data usage, reducing costs, and enhancing efficiency. In 3D tumor segmentation, efficiency is crucial due to the high demand for labor-intensive manual annotations. Box-supervised segmentation offers a promising alternative but is constrained by tumor morpholog

Cited by 1SourcePDFScholar
2026

Mitigating Entity Hallucinations in 3D Radiology Report Generation via Dual-Stream Alignment

AAAI 2026technical

Entity hallucination poses a major challenge in radiology report generation (RRG), particularly for 3D CT scans where complex spatial contexts amplify factual errors. To address this, medical entity phrases serve as key carriers for multi-modal prompting, integrating expert knowledge into the vision

Cited by 0SourcePDFScholar
2026

RoSE: A Role Correlation Structure-Enhanced Model for Multi-Event Argument Extraction

AAAI 2026technical

Event co-occurrences have been proven effective for event argument extraction (EAE) in previous studies; however, few have considered intra- and inter-event role correlations. Since role varies among different event types, event structure heterogeneity and overlap pose significant challenges to EAE

Cited by 0SourcePDFScholar
2024

A Lightweight U-like Network Utilizing Neural Memory Ordinary Differential Equations for Slimming the Decoder

IJCAI 2024poster

In recent years, advanced U-like networks have demonstrated remarkable performance in medical image segmentation tasks. However, their drawbacks, including excessive parameters, high computational complexity, and slow inference speed, pose challenges for practical implementation in scenarios with li…

2024

Strengthening Layer Interaction via Dynamic Layer Attention

IJCAI 2024poster

In recent years, employing layer attention to enhance interaction among hierarchical layers has proven to be a significant advancement in building network structures. In this paper, we delve into the distinction between layer attention and the general attention mechanism, noting that existing layer…