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Change detection is the study of detecting changes between two different images of a scene taken at different times. By the detected change areas, however, a human cannot understand how different the two images. Therefore, a semantic…

计算机视觉与模式识别 · 计算机科学 2017-03-17 Teppei Suzuki , Soma Shirakabe , Yudai Miyashita , Akio Nakamura , Yutaka Satoh , Hirokatsu Kataoka

Modern vehicles have multiple electronic control units (ECUs) that are connected together as part of a complex distributed cyber-physical system (CPS). The ever-increasing communication between ECUs and external electronic systems has made…

机器学习 · 计算机科学 2021-09-13 S. V. Thiruloga , V. K. Kukkala , S. Pasricha

Current state-of-the-art approaches for spatio-temporal action detection have achieved impressive results but remain unsatisfactory for temporal extent detection. The main reason comes from that, there are some ambiguous states similar to…

计算机视觉与模式识别 · 计算机科学 2019-06-03 Lin Song , Shiwei Zhang , Gang Yu , Hongbin Sun

Hyperspectral anomaly detection (HAD), a crucial approach for many civilian and military applications, seeks to identify pixels with spectral signatures that are anomalous relative to a preponderance of background signatures. Significant…

计算机视觉与模式识别 · 计算机科学 2025-10-02 Abu Hasnat Mohammad Rubaiyat , Jordan Vincent , Colin Olson

A critical challenge problem of scene change detection is that noisy changes generated by varying illumination, shadows and camera viewpoint make variances of a scene difficult to define and measure since the noisy changes and semantic ones…

计算机视觉与模式识别 · 计算机科学 2018-11-13 Enqiang Guo , Xinsha Fu , Jiawei Zhu , Min Deng , Yu Liu , Qing Zhu , Haifeng Li

Change detection plays a fundamental role in Earth observation for analyzing temporal iterations over time. However, recent studies have largely neglected the utilization of multimodal data that presents significant practical and technical…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Biyuan Liu , Huaixin Chen , Kun Li , Michael Ying Yang

Historical maps provide useful spatio-temporal information on the Earth's surface before modern earth observation techniques came into being. To extract information from maps, neural networks, which gain wide popularity in recent years,…

计算机视觉与模式识别 · 计算机科学 2023-10-20 Sidi Wu , Yizi Chen , Konrad Schindler , Lorenz Hurni

Multivariate time series (MTS) classification is foundational to pervasive computing and financial analysis, yet existing multi-scale paradigms are often constrained by suboptimal representation fidelity. We identify two critical…

机器学习 · 计算机科学 2026-05-22 Fan Zhang , Yating Cui , Hua Wang

In this paper, we aim to improve multivariate anomaly detection (AD) by modeling the \textit{time-varying non-linear spatio-temporal correlations} found in multivariate time series data . In multivariate time series data, an anomaly may be…

机器学习 · 计算机科学 2025-09-19 Padmaksha Roy , Almuatazbellah Boker , Lamine Mili

Video Anomaly Detection (VAD) is an essential yet challenging task in signal processing. Since certain anomalies cannot be detected by isolated analysis of either temporal or spatial information, the interaction between these two types of…

计算机视觉与模式识别 · 计算机科学 2023-07-07 Zhiyuan Ning , Zhangxun Li , Zhengliang Guo , Zile Wang , Liang Song

Fault diagnosis in multimode processes plays a critical role in ensuring the safe operation of industrial systems across multiple modes. It faces a great challenge yet to be addressed - that is, the significant distributional differences…

机器学习 · 计算机科学 2025-07-24 Guangqiang Li , M. Amine Atoui , Xiangshun Li

Semi-supervised change detection (SSCD) aims to detect changes between bi-temporal remote sensing images by utilizing limited labeled data and abundant unlabeled data. Existing methods struggle in complex scenarios, exhibiting poor…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Qi'ao Xu , Pengfei Wang , Yanjun Li , Tianwen Qian , Xiaoling Wang

In the remote sensing community, multimodal change detection (MCD) is particularly critical due to its ability to track changes across different imaging conditions and sensor types, making it highly applicable to a wide range of real-world…

图像与视频处理 · 电气工程与系统科学 2024-10-23 Tao Zhan , Yuanyuan Zhu , Jie Lan , Qianlong Dang

The remote sensing image change detection task is an essential method for large-scale monitoring. We propose HSANet, a network that uses hierarchical convolution to extract multi-scale features. It incorporates hybrid self-attention and…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Chengxi Han , Xiaoyu Su , Zhiqiang Wei , Meiqi Hu , Yichu Xu

Hyperspectral target detection is a task of primary importance in remote sensing since it allows identification, location, and discrimination of target features. To this end, the reflectance maps, which contain the spectral signatures and…

信号处理 · 电气工程与系统科学 2023-05-24 Pia Addabbo , Nicomino Fiscante , Gaetano Giunta , Danilo Orlando , Giuseppe Ricci , Silvia Liberata Ullo

Network or physical attacks on industrial equipment or computer systems may cause massive losses. Therefore, a quick and accurate anomaly detection (AD) based on monitoring data, especially the multivariate time-series (MTS) data, is of…

机器学习 · 计算机科学 2022-11-03 Jun Zhan , Chengkun Wu , Canqun Yang , Qiucheng Miao , Xiandong Ma

Existing Multivariate Time Series Anomaly Detection (MTSAD) frameworks increasingly rely on integrating Graph Neural Networks (GNNs) with sequence models to capture complex spatio-temporal dependencies. However, less attention is paid to…

人工智能 · 计算机科学 2026-05-19 Suofei Zhang , Yaxuan Zheng , Haifeng Hu

This paper proposed a novel anomaly detection (AD) approach of High-speed Train images based on convolutional neural networks and the Vision Transformer. Different from previous AD works, in which anomalies are identified with a single…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Zhixue Wang , Yu Zhang , Lin Luo , Nan Wang

Classification-regression prediction networks have realized impressive success in several modern deep trackers. However, there is an inherent difference between classification and regression tasks, so they have diverse even opposite demands…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Xinglong Sun , Haijiang Sun , Shan Jiang , Jiacheng Wang , Xilai Wei , Zhonghe Hu

Recently, the application of deep learning to change detection (CD) has significantly progressed in remote sensing images. In recent years, CD tasks have mostly used architectures such as CNN and Transformer to identify these changes.…

计算机视觉与模式识别 · 计算机科学 2024-01-18 Jia Jia , Geunho Lee , Zhibo Wang , Lyu Zhi , Yuchu He