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Time series anomaly detection (TSAD) is an important data mining task with numerous applications in the IoT era. In recent years, a large number of deep neural network-based methods have been proposed, demonstrating significantly better…

Machine Learning · Computer Science 2022-08-04 Wenkai Li , Cheng Feng , Ting Chen , Jun Zhu

We explore the plain, non-hierarchical Vision Transformer (ViT) as a backbone network for object detection. This design enables the original ViT architecture to be fine-tuned for object detection without needing to redesign a hierarchical…

Computer Vision and Pattern Recognition · Computer Science 2022-06-13 Yanghao Li , Hanzi Mao , Ross Girshick , Kaiming He

As acquiring pixel-wise annotations of real-world images for semantic segmentation is a costly process, a model can instead be trained with more accessible synthetic data and adapted to real images without requiring their annotations. This…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Lukas Hoyer , Dengxin Dai , Luc Van Gool

Automatic Vehicle Detection (AVD) in diverse driving environments presents unique challenges due to varying lighting conditions, road types, and vehicle types. Traditional methods, such as YOLO and Faster R-CNN, often struggle to cope with…

Computer Vision and Pattern Recognition · Computer Science 2025-02-26 Istiaq Ahmed Fahad , Abdullah Ibne Hanif Arean , Nazmus Sakib Ahmed , Mahmudul Hasan

Tabular anomaly detection (TAD) aims to identify samples that deviate from the majority in tabular data and is critical in many real-world applications. However, existing methods follow a ``one model for one dataset (OFO)'' paradigm, which…

Machine Learning · Computer Science 2026-03-17 Shiyuan Li , Yixin Liu , Yu Zheng , Xiaofeng Cao , Shirui Pan , Heng Tao Shen

We present pure-transformer based models for video classification, drawing upon the recent success of such models in image classification. Our model extracts spatio-temporal tokens from the input video, which are then encoded by a series of…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Anurag Arnab , Mostafa Dehghani , Georg Heigold , Chen Sun , Mario Lučić , Cordelia Schmid

Video anomaly detection (VAD) identifies suspicious events in videos, which is critical for crime prevention and homeland security. In this paper, we propose a simple but highly effective VAD method that relies on attribute-based…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Tal Reiss , Yedid Hoshen

General-purpose pre-trained models ("foundation models") have enabled practitioners to produce generalizable solutions for individual machine learning problems with datasets that are significantly smaller than those required for learning…

Robotics · Computer Science 2023-10-25 Dhruv Shah , Ajay Sridhar , Nitish Dashora , Kyle Stachowicz , Kevin Black , Noriaki Hirose , Sergey Levine

Automatic Traffic Sign Recognition is paramount in modern transportation systems, motivating several research endeavors to focus on performance improvement by utilizing large-scale datasets. As the appearance of traffic signs varies across…

Computer Vision and Pattern Recognition · Computer Science 2025-01-06 Md. Atiqur Rahman , Nahian Ibn Asad , Md. Mushfiqul Haque Omi , Md. Bakhtiar Hasan , Sabbir Ahmed , Md. Hasanul Kabir

Video Anomaly Detection (VAD) has been extensively studied under the settings of One-Class Classification (OCC) and Weakly-Supervised learning (WS), which however both require laborious human-annotated normal/abnormal labels. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Yongwei Nie , Hao Huang , Chengjiang Long , Qing Zhang , Pradipta Maji , Hongmin Cai

In this paper, we introduce a new approach to address the challenge of generalization in hyperspectral anomaly detection (AD). Our method eliminates the need for adjusting parameters or retraining on new test scenes as required by most…

Image and Video Processing · Electrical Eng. & Systems 2023-04-03 Zhaoxu Li , Yingqian Wang , Chao Xiao , Qiang Ling , Zaiping Lin , Wei An

To date, traffic obfuscation techniques have been widely adopted to protect network data privacy and security by obscuring the true patterns of traffic. Nevertheless, as the pre-trained models emerge, especially transformer-based…

Cryptography and Security · Computer Science 2025-12-25 Quanliang Jing , Xinxin Fan , Yanyan Liu , Jingping Bi

Video Anomaly Detection (VAD) involves detecting anomalous events in videos, presenting a significant and intricate task within intelligent video surveillance. Existing studies often concentrate solely on features acquired from limited…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Zhewen Deng , Dongyue Chen , Shizhuo Deng

Real-time detection of irregularities in visual data is very invaluable and useful in many prospective applications including surveillance, patient monitoring systems, etc. With the surge of deep learning methods in the recent years,…

Computer Vision and Pattern Recognition · Computer Science 2018-07-19 Mohammad Sabokrou , Masoud Pourreza , Mohsen Fayyaz , Rahim Entezari , Mahmood Fathy , Jürgen Gall , Ehsan Adeli

Prototype-based reconstruction methods for unsupervised anomaly detection utilize a limited set of learnable prototypes which only aggregates insufficient normal information, resulting in undesirable reconstruction. However, increasing the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Ziqing Zhou , Yurui Pan , Lidong Wang , Wenbing Zhu , Mingmin Chi , Dong Wu , Bo Peng

Autonomous driving systems require a comprehensive understanding of the environment, achieved by extracting visual features essential for perception, planning, and control. However, models trained solely on single-task objectives or generic…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Huy-Dung Nguyen , Anass Bairouk , Mirjana Maras , Wei Xiao , Tsun-Hsuan Wang , Patrick Chareyre , Ramin Hasani , Marc Blanchon , Daniela Rus

The search for predictive models that generalize to the long tail of sensor inputs is the central difficulty when developing data-driven models for autonomous vehicles. In this paper, we use lane detection to study modeling and training…

Computer Vision and Pattern Recognition · Computer Science 2019-05-15 Jonah Philion

To ensure safe autonomous driving in urban environments with complex vehicle-pedestrian interactions, it is critical for Autonomous Vehicles (AVs) to have the ability to predict pedestrians' short-term and immediate actions in real-time. In…

Robotics · Computer Science 2023-05-23 Jia Huang , Alvika Gautam , Srikanth Saripalli

Driver distractions are known to be the dominant cause of road accidents. While monitoring systems can detect non-driving-related activities and facilitate reducing the risks, they must be accurate and efficient to be applicable.…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Yiming Ma , Victor Sanchez , Soodeh Nikan , Devesh Upadhyay , Bhushan Atote , Tanaya Guha

Detecting anomalies for dynamic graphs has drawn increasing attention due to their wide applications in social networks, e-commerce, and cybersecurity. Recent deep learning-based approaches have shown promising results over shallow methods.…

Machine Learning · Computer Science 2021-10-29 Yixin Liu , Shirui Pan , Yu Guang Wang , Fei Xiong , Liang Wang , Qingfeng Chen , Vincent CS Lee