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Object detection in videos has drawn increasing attention recently with the introduction of the large-scale ImageNet VID dataset. Different from object detection in static images, temporal information in videos is vital for object…

计算机视觉与模式识别 · 计算机科学 2018-01-10 Kai Kang , Hongsheng Li , Tong Xiao , Wanli Ouyang , Junjie Yan , Xihui Liu , Xiaogang Wang

Video anomaly detection (VAD) is an important but challenging task in computer vision. The main challenge rises due to the rarity of training samples to model all anomaly cases. Hence, semi-supervised anomaly detection methods have gotten…

计算机视觉与模式识别 · 计算机科学 2023-08-16 Mohammad Baradaran , Robert Bergevin

The rapid growth of online video resources has significantly promoted the development of video retrieval methods. As a standard evaluation metric for video retrieval, Average Precision (AP) assesses the overall rankings of relevant videos…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Yang Liu , Qianqian Xu , Peisong Wen , Siran Dai , Qingming Huang

Performance monitoring of object detection is crucial for safety-critical applications such as autonomous vehicles that operate under varying and complex environmental conditions. Currently, object detectors are evaluated using summary…

计算机视觉与模式识别 · 计算机科学 2020-11-17 Quazi Marufur Rahman , Niko Sünderhauf , Feras Dayoub

Generic motion understanding from video involves not only tracking objects, but also perceiving how their surfaces deform and move. This information is useful to make inferences about 3D shape, physical properties and object interactions.…

计算机视觉与模式识别 · 计算机科学 2023-04-03 Carl Doersch , Ankush Gupta , Larisa Markeeva , Adrià Recasens , Lucas Smaira , Yusuf Aytar , João Carreira , Andrew Zisserman , Yi Yang

A fundamental limitation of object detectors is that they suffer from "spatial bias", and in particular perform less satisfactorily when detecting objects near image borders. For a long time, there has been a lack of effective ways to…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Zhaohui Zheng , Yuming Chen , Qibin Hou , Xiang Li , Ping Wang , Ming-Ming Cheng

The strong temporal consistency of surveillance video enables compelling compression performance with traditional methods, but downstream vision applications operate on decoded image frames with a high data rate. Since it is not…

多媒体 · 计算机科学 2024-02-09 Andrew C. Freeman , Ketan Mayer-Patel , Montek Singh

In the past few years, numerous Deep Neural Network (DNN) models and frameworks have been developed to tackle the problem of real-time object detection from RGB images. Ordinary object detection approaches process information from the…

计算机视觉与模式识别 · 计算机科学 2020-08-18 Xiang Li , Yuan Tian , Fuyao Zhang , Shuxue Quan , Yi Xu

Video object detection is a fundamental problem in computer vision and has a wide spectrum of applications. Based on deep networks, video object detection is actively studied for pushing the limits of detection speed and accuracy. To reduce…

计算机视觉与模式识别 · 计算机科学 2021-03-29 Xinggang Wang , Zhaojin Huang , Bencheng Liao , Lichao Huang , Yongchao Gong , Chang Huang

Some optical measurements require relative timing of intensity variations with accuracy much finer than the camera frame period. One motivating example is dynamic aurora, where different prompt emissions are expected to originate from…

空间物理 · 物理学 2026-05-29 Juha Vierinen , Pavithiran Sivasothy , Björn Gustavsson

Extending state-of-the-art object detectors from image to video is challenging. The accuracy of detection suffers from degenerated object appearances in videos, e.g., motion blur, video defocus, rare poses, etc. Existing work attempts to…

计算机视觉与模式识别 · 计算机科学 2017-08-21 Xizhou Zhu , Yujie Wang , Jifeng Dai , Lu Yuan , Yichen Wei

Object detection remains as one of the most notorious open problems in computer vision. Despite large strides in accuracy in recent years, modern object detectors have started to saturate on popular benchmarks raising the question of how…

计算机视觉与模式识别 · 计算机科学 2020-04-08 Ali Borji

In recent years, many works have addressed the problem of finding never-seen-before anomalies in videos. Yet, most work has been focused on detecting anomalous frames in surveillance videos taken from security cameras. Meanwhile, the task…

计算机视觉与模式识别 · 计算机科学 2021-12-15 Laura Kart , Niv Cohen

We present a general framework and method for simultaneous detection and segmentation of an object in a video that moves (or comes into view of the camera) at some unknown time in the video. The method is an online approach based on motion…

计算机视觉与模式识别 · 计算机科学 2016-05-25 Dong Lao , Ganesh Sundaramoorthi

Visual anomaly detection aims to identify anomalous regions in images through unsupervised learning paradigms, with increasing application demand and value in fields such as industrial inspection and medical lesion detection. Despite…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Jiangning Zhang , Haoyang He , Zhenye Gan , Qingdong He , Yuxuan Cai , Zhucun Xue , Yabiao Wang , Chengjie Wang , Lei Xie , Yong Liu

Anomaly detection in surveillance videos is an important research problem in computer vision. In this paper, we propose ADNet, an anomaly detection network, which utilizes temporal convolutions to localize anomalies in videos. The model…

计算机视觉与模式识别 · 计算机科学 2021-04-15 Halil İbrahim Öztürk , Ahmet Burak Can

High-quality data has become a primary driver of progress under scale laws, with curated datasets often outperforming much larger unfiltered ones at lower cost. Online data curation extends this idea by dynamically selecting training…

计算机视觉与模式识别 · 计算机科学 2026-03-04 Zitang Sun , Masakazu Yoshimura , Junji Otsuka , Atsushi Irie , Takeshi Ohashi

Object proposals for detecting moving or static video objects need to address issues such as speed, memory complexity and temporal consistency. We propose an efficient Video Object Proposal (VOP) generation method and show its efficacy in…

计算机视觉与模式识别 · 计算机科学 2016-01-22 Subarna Tripathi , Serge Belongie , Youngbae Hwang , Truong Nguyen

Consecutive frames in a video are highly redundant. Therefore, to perform the task of video object detection, executing single frame detectors on every frame without reusing any information is quite wasteful. It is with this idea in mind…

计算机视觉与模式识别 · 计算机科学 2020-04-03 Hughes Perreault , Maguelonne Héritier , Pierre Gravel , Guillaume-Alexandre Bilodeau , Nicolas Saunier

Recent works have shown that neural networks are vulnerable to carefully crafted adversarial examples (AE). By adding small perturbations to input images, AEs are able to make the victim model predicts incorrect outputs. Several research…

计算机视觉与模式识别 · 计算机科学 2020-05-05 Yilan Li , Senem Velipasalar