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With the advancement of remote sensing satellite technology and the rapid progress of deep learning, remote sensing change detection (RSCD) has become a key technique for regional monitoring. Traditional change detection (CD) methods and…

图像与视频处理 · 电气工程与系统科学 2026-03-11 Chengming Wang , Guodong Fan , Jinjiang Li , Min Gan , C. L. Philip Chen

Diffusion has shown great success in improving accuracy of unsupervised image retrieval systems by utilizing high-order structures of image manifold. However, existing diffusion methods suffer from three major limitations: 1) they usually…

计算机视觉与模式识别 · 计算机科学 2020-06-15 Zhiyong Dou , Haotian Cui , Lin Zhang , Bo Wang

Graph Convolutional Network (GCN) are widely used in Graph Anomaly Detection (GAD) due to their natural compatibility with graph structures, resulting in significant performance improvements. However, most researchers approach GAD as a…

机器学习 · 计算机科学 2024-11-05 Shelei Li , Yong Chai Tan , Tai Vincent

Graph convolution networks (GCNs) are extensively utilized in various graph tasks to mine knowledge from spatial data. Our study marks the pioneering attempt to quantitatively investigate the GCN robustness over omnipresent heterophilic…

机器学习 · 计算机科学 2023-12-29 Chenyang Qiu , Guoshun Nan , Tianyu Xiong , Wendi Deng , Di Wang , Zhiyang Teng , Lijuan Sun , Qimei Cui , Xiaofeng Tao

Graph-based Retrieval-Augmented Generation (GraphRAG) enhances Large Language Models (LLMs) by incorporating external knowledge from linearized subgraphs retrieved from knowledge graphs. However, LLMs struggle to interpret the relational…

计算与语言 · 计算机科学 2025-12-11 Shanghao Li , Jinda Han , Yibo Wang , Yuanjie Zhu , Zihe Song , Langzhou He , Kenan Kamel A Alghythee , Philip S. Yu

High-resolution representations are important for vision-based robotic grasping problems. Existing works generally encode the input images into low-resolution representations via sub-networks and then recover high-resolution…

机器人学 · 计算机科学 2022-09-19 Zhangli Zhou , Shaochen Wang , Ziyang Chen , Mingyu Cai , Zhen Kan

Graph Neural Networks (GNNs) are widely adopted in Web-related applications, serving as a core technique for learning from graph-structured data, such as text-attributed graphs. Yet in real-world scenarios, such graphs exhibit deficiencies…

机器学习 · 计算机科学 2025-10-03 Zhaoyan Wang , Zheng Gao , Arogya Kharel , In-Young Ko

Convolutional neural networks (CNNs) have achieved remarkable performance in hyperspectral image (HSI) classification over the last few years. Despite the progress that has been made, rich and informative spectral information of HSI has…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Huiling Wang

Graph Anomaly Detection (GAD) aims to identify atypical graph entities, such as nodes, edges, or substructures, that deviate significantly from the majority. While existing text-rich approaches typically integrate structural context into…

计算与语言 · 计算机科学 2026-05-20 Wen Shi , Zhe Wang , Huafei Huang , Qing Qing , Ziqi Xu , Qixin Zhang , Xikun Zhang , Renqiang Luo , Feng Xia

Brain-inspired hyperdimensional computing (HDC) has been recently considered a promising learning approach for resource-constrained devices. However, existing approaches use static encoders that are never updated during the learning…

机器学习 · 计算机科学 2023-04-13 Junyao Wang , Sitao Huang , Mohsen Imani

Domain decomposition methods (DDMs) are popular solvers for discretized systems of partial differential equations (PDEs), with one-level and multilevel variants. These solvers rely on several algorithmic and mathematical parameters,…

机器学习 · 计算机科学 2023-03-03 Ali Taghibakhshi , Nicolas Nytko , Tareq Uz Zaman , Scott MacLachlan , Luke Olson , Matthew West

In recent times, a plethora of hardware accelerators have been put forth for graph learning applications such as vertex classification and graph classification. However, previous works have paid little attention to Knowledge Graph…

硬件体系结构 · 计算机科学 2024-03-12 Hanning Chen , Yang Ni , Ali Zakeri , Zhuowen Zou , Sanggeon Yun , Fei Wen , Behnam Khaleghi , Narayan Srinivasa , Hugo Latapie , Mohsen Imani

Reconstructing high dynamic range (HDR) images from low dynamic range (LDR) bursts plays an essential role in the computational photography. Impressive progress has been achieved by learning-based algorithms which require LDR-HDR image…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Wei Jiang , Jiahao Cui , Yizheng Wu , Zhan Peng , Zhiyu Pan , Zhiguo Cao

Graph anomaly detection (GAD) is a vital task in graph-based machine learning and has been widely applied in many real-world applications. The primary goal of GAD is to capture anomalous nodes from graph datasets, which evidently deviate…

机器学习 · 计算机科学 2022-12-05 Jingcan Duan , Siwei Wang , Pei Zhang , En Zhu , Jingtao Hu , Hu Jin , Yue Liu , Zhibin Dong

Hyperdimensional computing (HDC) is a novel computational paradigm that operates on long-dimensional vectors known as hypervectors. The hypervectors are constructed as long bit-streams and form the basic building blocks of HDC systems. In…

硬件体系结构 · 计算机科学 2023-11-21 Sercan Aygun , Mehran Shoushtari Moghadam , M. Hassan Najafi

Graph Transformers (GTs) have made remarkable achievements in graph-level tasks. However, most existing works regard graph structures as a form of guidance or bias for enhancing node representations, which focuses on node-central…

机器学习 · 计算机科学 2024-12-10 Xiaorui Qi , Qijie Bai , Yanlong Wen , Haiwei Zhang , Xiaojie Yuan

We propose an incremental improvement to Fully Convolutional Data Description (FCDD), an adaptation of the one-class classification approach from anomaly detection to image anomaly segmentation (a.k.a. anomaly localization). We analyze its…

计算机视觉与模式识别 · 计算机科学 2023-12-05 Joao P. C. Bertoldo , Santiago Velasco-Forero , Jesus Angulo , Etienne Decencière

Reasoning about complex visual scenes involves perception of entities and their relations. Scene graphs provide a natural representation for reasoning tasks, by assigning labels to both entities (nodes) and relations (edges). Unfortunately,…

计算机视觉与模式识别 · 计算机科学 2020-03-17 Moshiko Raboh , Roei Herzig , Gal Chechik , Jonathan Berant , Amir Globerson

In this paper, we present D2C-SR, a novel framework for the task of real-world image super-resolution. As an ill-posed problem, the key challenge in super-resolution related tasks is there can be multiple predictions for a given…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Youwei Li , Haibin Huang , Lanpeng Jia , Haoqiang Fan , Shuaicheng Liu

Synthesizing realistic and spatially precise anomalies is essential for enhancing the robustness of industrial anomaly detection systems. While recent diffusion-based methods have demonstrated strong capabilities in modeling complex defect…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Yanshu Wang , Xichen Xu , Xiaoning Lei , Guoyang Xie