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We propose a heterogeneous graph mamba network (HGMN) as the first exploration in leveraging the selective state space models (SSSMs) for heterogeneous graph learning. Compared with the literature, our HGMN overcomes two major challenges:…

Machine Learning · Computer Science 2024-05-24 Zhenyu Pan , Yoonsung Jeong , Xiaoda Liu , Han Liu

Medical Hyperspectral Imaging (MHSI) offers potential for computational pathology and precision medicine. However, existing CNN and Transformer struggle to balance segmentation accuracy and speed due to high spatial-spectral dimensionality.…

Image and Video Processing · Electrical Eng. & Systems 2025-02-25 Shijie Lin , Boxiang Yun , Wei Shen , Qingli Li , Anqiang Yang , Yan Wang

Oversmoothing is a common challenge in learning graph neural networks (GNN), where, as layers increase, embedding features learned from GNNs quickly become similar or indistinguishable, making them incapable of differentiating network…

Machine Learning · Computer Science 2025-07-22 Yufei Jin , Xingquan Zhu

Existing salient object detection (SOD) models are generally constrained by the limited receptive fields of convolutional neural networks (CNNs) and quadratic computational complexity of Transformers. Recently, the emerging state-space…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Wenzhuo Zhao , Keren Fu , Jiahao He , Xiaohong Liu , Qijun Zhao , Guangtao Zhai

Underwater images often suffer from severe degradation, such as color distortion, low contrast, and blurred details, due to light absorption and scattering in water. While learning-based methods like CNNs and Transformers have shown…

Computer Vision and Pattern Recognition · Computer Science 2026-04-20 Tejeswar Pokuri , Shivarth Rai

Cloud detection in remote sensing imagery is a fundamental, critical, and highly challenging problem. Existing deep learning-based cloud detection methods generally formulate it as a single-stage pixel-wise binary segmentation task with one…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Jiajun Yang , Keyan Chen , Zhengxia Zou , Zhenwei Shi

Image restoration requires simultaneously preserving fine-grained local structures and maintaining long-range spatial coherence. While convolutional networks struggle with limited receptive fields, and Transformers incur quadratic…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Mohammed Hassanin , Nour Moustafa , Weijian Deng , Ibrahim Radwan

There has been tremendous success in the field of graph neural networks (GNNs) as a result of the development of the message-passing (MP) layer, which updates the representation of a node by combining it with its neighbors to address…

Machine Learning · Computer Science 2022-02-11 Hyeokjin Kwon , Jong-Min Lee

Mainstream approaches to spectral reconstruction (SR) primarily focus on designing Convolution- and Transformer-based architectures. However, CNN methods often face challenges in handling long-range dependencies, whereas Transformers are…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Xinying Wang , Zhixiong Huang , Sifan Zhang , Jiawen Zhu , Paolo Gamba , Lin Feng

Efficiently modeling large 2D contexts is essential for various fields including Giga-Pixel Whole Slide Imaging (WSI) and remote sensing. Transformer-based models offer high parallelism but face challenges due to their quadratic complexity…

Computer Vision and Pattern Recognition · Computer Science 2026-02-02 Jingwei Zhang , Anh Tien Nguyen , Xi Han , Vincent Quoc-Huy Trinh , Hong Qin , Dimitris Samaras , Mahdi S. Hosseini

Recently, Mamba-based methods have demonstrated impressive performance in point cloud representation learning by leveraging State Space Model (SSM) with the efficient context modeling ability and linear complexity. However, these methods…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Chuxin Wang , Yixin Zha , Wenfei Yang , Tianzhu Zhang

While the conditional sequence modeling with the transformer architecture has demonstrated its effectiveness in dealing with offline reinforcement learning (RL) tasks, it is struggle to handle out-of-distribution states and actions.…

Machine Learning · Computer Science 2025-01-23 Qi Lv , Xiang Deng , Gongwei Chen , Michael Yu Wang , Liqiang Nie

Salient object detection (SOD) requires modeling both long-range contextual dependencies and fine-grained structural details, which remains challenging for convolutional, transformer-based, and Mamba-based state space models. While recent…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Suklav Ghosh , Arijit Sur , Pinaki Mitra

Dynamic graph embedding has emerged as an important technique for modeling complex time-evolving networks across diverse domains. While transformer-based models have shown promise in capturing long-range dependencies in temporal graph data,…

Machine Learning · Computer Science 2025-05-13 Ashish Parmanand Pandey , Alan John Varghese , Sarang Patil , Mengjia Xu

Graph neural networks (GNNs) have become pivotal tools for processing graph-structured data, leveraging the message passing scheme as their core mechanism. However, traditional GNNs often grapple with issues such as instability,…

Spectral Theory · Mathematics 2026-05-20 Yuanhong Jiang , Dongmian Zou , Xiaoqun Zhang , Yu Guang Wang

Oversmoothing in Graph Neural Networks (GNNs) poses a significant challenge as network depth increases, leading to homogenized node representations and a loss of expressiveness. In this work, we approach the oversmoothing problem from a…

Machine Learning · Computer Science 2024-12-11 Biswadeep Chakraborty , Harshit Kumar , Saibal Mukhopadhyay

\emph{Over-fitting} and \emph{over-smoothing} are two main obstacles of developing deep Graph Convolutional Networks (GCNs) for node classification. In particular, over-fitting weakens the generalization ability on small dataset, while…

Machine Learning · Computer Science 2020-03-13 Yu Rong , Wenbing Huang , Tingyang Xu , Junzhou Huang

Graph convolutional networks (GCNs) have achieved remarkable learning ability for dealing with various graph structural data recently. In general, deep GCNs do not work well since graph convolution in conventional GCNs is a special form of…

Machine Learning · Computer Science 2021-12-08 Zhilong Xiong , Jia Cai

Graph Convolutional Networks (GCNs) are powerful for processing graph-structured data and have achieved state-of-the-art performance in several tasks such as node classification, link prediction, and graph classification. However, it is…

Machine Learning · Computer Science 2021-10-19 Langzhang Liang , Cuiyun Gao , Shiyi Chen , Shishi Duan , Yu pan , Junjin Zheng , Lei Wang , Zenglin Xu

Recent efforts on image restoration have focused on developing "all-in-one" models that can handle different degradation types and levels within single model. However, most of mainstream Transformer-based ones confronted with dilemma…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Aiwen Jiang , Hourong Chen , Zhiwen Chen , Jihua Ye , Mingwen Wang