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Dynamic graph learning (DGL) aims to learn informative and temporally-evolving node embeddings to support downstream tasks such as link prediction. A fundamental challenge in DGL lies in effectively modeling both the temporal dynamics and…

社会与信息网络 · 计算机科学 2025-06-10 Ling Wang

Hyperspectral images, which record the electromagnetic spectrum for a pixel in the image of a scene, often store hundreds of channels per pixel and contain an order of magnitude more information than a similarly-sized RBG color image.…

计算机视觉与模式识别 · 计算机科学 2023-12-05 Shima Rezasoltani , Faisal Z. Qureshi

The structural and spatial arrangements of cells within tissues represent their functional states, making graph-based learning highly suitable for histopathology image analysis. Existing methods often rely on fixed graphs with predefined…

图像与视频处理 · 电气工程与系统科学 2025-10-16 Sudipta Paul , Amanda W. Lund , George Jour , Iman Osman , Bülent Yener

Building comprehensive brain connectomes has proved of fundamental importance in resting-state fMRI (rs-fMRI) analysis. Based on the foundation of brain network, spatial-temporal-based graph convolutional networks have dramatically improved…

机器学习 · 计算机科学 2023-12-19 Rui Yang , Wenrui Dai , Huajun She , Yiping P. Du , Dapeng Wu , Hongkai Xiong

This paper presents a structured dictionary-based model for hyperspectral data that incorporates both spectral and contextual characteristics of a spectral sample, with the goal of hyperspectral image classification. The idea is to…

计算机视觉与模式识别 · 计算机科学 2013-08-07 Ali Soltani-Farani , Hamid R. Rabiee , Seyyed Abbas Hosseini

For the Convolutional Neural Networks (CNNs) applied in the intelligent diagnosis of gastric cancer, existing methods mostly focus on individual characteristics or network frameworks without a policy to depict the integral information.…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Changhao Sun , Chen Li , Jinghua Zhang , Muhammad Rahaman , Shiliang Ai , Hao Chen , Frank Kulwa , Yixin Li , Xiaoyan Li , Tao Jiang

Due to the difficulty of obtaining labeled data for hyperspectral images (HSIs), cross-scene classification has emerged as a widely adopted approach in the remote sensing community. It involves training a model using labeled data from a…

计算机视觉与模式识别 · 计算机科学 2025-02-26 Rong Liu , Junye Liang , Jiaqi Yang , Jiang He , Peng Zhu

Semantic segmentation requires a detailed labeling of image pixels by object category. Information derived from local image patches is necessary to describe the detailed shape of individual objects. However, this information is ambiguous…

计算机视觉与模式识别 · 计算机科学 2016-11-28 Hexiang Hu , Zhiwei Deng , Guang-tong Zhou , Fei Sha , Greg Mori

The usage of convolutional neural networks (CNNs) for unsupervised image segmentation was investigated in this study. In the proposed approach, label prediction and network parameter learning are alternately iterated to meet the following…

计算机视觉与模式识别 · 计算机科学 2020-08-26 Wonjik Kim , Asako Kanezaki , Masayuki Tanaka

Directed acyclic graphs (DAGs) are central to science and engineering applications including causal inference, scheduling, and neural architecture search. In this work, we introduce the DAG Convolutional Network (DCN), a novel graph neural…

信号处理 · 电气工程与系统科学 2026-05-20 Samuel Rey , Hamed Ajorlou , Gonzalo Mateos

Deep convolutional neural networks (DCNN) have been widely adopted for research on super resolution recently, however previous work focused mainly on stacking as many layers as possible in their model, in this paper, we present a new…

计算机视觉与模式识别 · 计算机科学 2018-04-18 Yiwen Huang , Ming Qin

Image analysis in the euclidean space through linear hyperspaces is well studied. However, in the quest for more effective image representations, we turn to hyperbolic manifolds. They provide a compelling alternative to capture complex…

计算机视觉与模式识别 · 计算机科学 2024-09-11 Debjyoti Mondal , Rahul Mishra , Chandan Pandey

Superpixel-based methodologies have become increasingly popular in computer vision, especially when the computation is too expensive in time or memory to perform with a large number of pixels or features. However, rarely is superpixel…

计算机视觉与模式识别 · 计算机科学 2019-08-05 Alex Yang , Charlie T. Veal , Derek T. Anderson , Grant J. Scott

Recent advancements in computer vision, particularly in detection, segmentation, and classification, have significantly impacted various domains. However, these advancements are tied to RGB-based systems, which are insufficient for…

图像与视频处理 · 电气工程与系统科学 2025-05-15 Savvas Sifnaios , George Arvanitakis , Fotios K. Konstantinidis , Georgios Tsimiklis , Angelos Amditis , Panayiotis Frangos

Annotating histopathological images is a time-consuming andlabor-intensive process, which requires broad-certificated pathologistscarefully examining large-scale whole-slide images from cells to tissues.Recent frontiers of transfer learning…

计算机视觉与模式识别 · 计算机科学 2020-08-24 Dou Xu , Chang Cai , Chaowei Fang , Bin Kong , Jihua Zhu , Zhongyu Li

In the realm of skin lesion image classification, the intricate spatial and semantic features pose significant challenges for conventional Convolutional Neural Network (CNN)-based methodologies. These challenges are compounded by the…

计算机视觉与模式识别 · 计算机科学 2024-03-20 K. P. Santoso , R. V. H. Ginardi , R. A. Sastrowardoyo , F. A. Madany

The deep learning technique was used to increase the performance of single image super-resolution (SISR). However, most existing CNN-based SISR approaches primarily focus on establishing deeper or larger networks to extract more significant…

计算机视觉与模式识别 · 计算机科学 2022-12-29 Huipeng Zheng , Lukman Hakim , Takio Kurita , Junichi Miyao

There has been a growing interest in causal learning in recent years. Commonly used representations of causal structures, including Bayesian networks and structural equation models (SEM), take the form of directed acyclic graphs (DAGs). We…

机器学习 · 计算机科学 2025-11-20 Pavel Rytir , Ales Wodecki , Jakub Marecek

Over the past decade, deep hypercomplex-inspired networks have enhanced feature extraction for image classification by enabling weight sharing across input channels. Recent works make it possible to improve representational capabilities by…

计算机视觉与模式识别 · 计算机科学 2023-01-12 Nazmul Shahadat , Anthony S. Maida

Compared to natural images, hyperspectral images (HSIs) consist of a large number of bands, with each band capturing different spectral information from a certain wavelength, even some beyond the visible spectrum. These characteristics of…

图像与视频处理 · 电气工程与系统科学 2023-09-18 Orhan Torun , Seniha Esen Yuksel , Erkut Erdem , Nevrez Imamoglu , Aykut Erdem