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Recent works have shown that combining object detection and tracking tasks, in the case of video data, results in higher performance for both tasks, but they require a high frame-rate as a strict requirement for performance. This is…

Computer Vision and Pattern Recognition · Computer Science 2020-05-26 Bharti Munjal , Abdul Rafey Aftab , Sikandar Amin , Meltem D. Brandlmaier , Federico Tombari , Fabio Galasso

Real-time object detection in videos using lightweight hardware is a crucial component of many robotic tasks. Detectors using different modalities and with varying computational complexities offer different trade-offs. One option is to have…

Machine Learning · Computer Science 2020-11-18 Nicolai Dorka , Johannes Meyer , Wolfram Burgard

Successive frames of a video are highly redundant, and the most popular object detection methods do not take advantage of this fact. Using multiple consecutive frames can improve detection of small objects or difficult examples and can…

Computer Vision and Pattern Recognition · Computer Science 2019-03-29 Hughes Perreault , Guillaume-Alexandre Bilodeau , Nicolas Saunier , Pierre Gravel

Given the vast amounts of video available online, and recent breakthroughs in object detection with static images, object detection in video offers a promising new frontier. However, motion blur and compression artifacts cause substantial…

Computer Vision and Pattern Recognition · Computer Science 2016-07-20 Subarna Tripathi , Zachary C. Lipton , Serge Belongie , Truong Nguyen

Data pipelines are an essential component for end-to-end solutions that take machine learning algorithms to production. Engineering data pipelines for video-sequences poses several challenges including isolation of key-frames from video…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Sohini Roychowdhury , James Y. Sato

The tracking-by-detection paradigm today has become the dominant method for multi-object tracking and works by detecting objects in each frame and then performing data association across frames. However, its sequential frame-wise matching…

Computer Vision and Pattern Recognition · Computer Science 2022-12-21 Sanghyun Woo , Kwanyong Park , Seoung Wug Oh , In So Kweon , Joon-Young Lee

Event cameras encode visual information with high temporal precision, low data-rate, and high-dynamic range. Thanks to these characteristics, event cameras are particularly suited for scenarios with high motion, challenging lighting…

Computer Vision and Pattern Recognition · Computer Science 2020-12-10 Etienne Perot , Pierre de Tournemire , Davide Nitti , Jonathan Masci , Amos Sironi

We address the problem of temporal localization of repetitive activities in a video, i.e., the problem of identifying all segments of a video that contain some sort of repetitive or periodic motion. To do so, the proposed method represents…

Computer Vision and Pattern Recognition · Computer Science 2019-10-15 Giorgos Karvounas , Iason Oikonomidis , Antonis Argyros

The interest in leveraging Artificial Intelligence (AI) for surgical procedures to automate analysis has witnessed a significant surge in recent years. One of the primary tools for recording surgical procedures and conducting subsequent…

Enterprises are increasingly deploying large camera networks for video analytics. Many target applications entail a common problem template: searching for and tracking an object or activity of interest (e.g. a speeding vehicle, a break-in)…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-12-05 Samvit Jain , Xun Zhang , Yuhao Zhou , Ganesh Ananthanarayanan , Junchen Jiang , Yuanchao Shu , Joseph Gonzalez

Object recognition is a fundamental problem in many video processing tasks, accurately locating seen objects at low computation cost paves the way for on-device video recognition. We propose PatchNet, an efficient convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2021-03-15 Huizi Mao , Sibo Zhu , Song Han , William J. Dally

The interactions between human and objects are important for recognizing object-centric actions. Existing methods usually adopt a two-stage pipeline, where object proposals are first detected using a pretrained detector, and then are fed to…

Computer Vision and Pattern Recognition · Computer Science 2024-04-19 Xunsong Li , Pengzhan Sun , Yangcen Liu , Lixin Duan , Wen Li

Deep learning based fall detection is one of the crucial tasks for intelligent video surveillance systems, which aims to detect unintentional falls of humans and alarm dangerous situations. In this work, we propose a simple and efficient…

Computer Vision and Pattern Recognition · Computer Science 2022-02-23 Sunhee Hwang , Minsong Ki , Seung-Hyun Lee , Sanghoon Park , Byoung-Ki Jeon

Previous state-of-the-art real-time object detectors have been reported on GPUs which are extremely expensive for processing massive data and in resource-restricted scenarios. Therefore, high efficiency object detectors on CPU-only devices…

Computer Vision and Pattern Recognition · Computer Science 2020-09-10 Chen Chen , Mengyuan Liu , Xiandong Meng , Wanpeng Xiao , Qi Ju

We present YOLO, a new approach to object detection. Prior work on object detection repurposes classifiers to perform detection. Instead, we frame object detection as a regression problem to spatially separated bounding boxes and associated…

Computer Vision and Pattern Recognition · Computer Science 2016-05-11 Joseph Redmon , Santosh Divvala , Ross Girshick , Ali Farhadi

Object detection and tracking in videos represent essential and computationally demanding building blocks for current and future visual perception systems. In order to reduce the efficiency gap between available methods and computational…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Issa Mouawad , Francesca Odone

We consider the problem of detecting objects, as they come into view, from videos in an online fashion. We provide the first real-time solution that is guaranteed to minimize the delay, i.e., the time between when the object comes in view…

Computer Vision and Pattern Recognition · Computer Science 2019-08-30 Dong Lao , Ganesh Sundaramoorthi

This project aims to develop a robust video surveillance system, which can segment videos into smaller clips based on the detection of activities. It uses CCTV footage, for example, to record only major events-like the appearance of a…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Shahran Rahman Alve

Visual intelligence at the edge is becoming a growing necessity for low latency applications and situations where real-time decision is vital. Object detection, the first step in visual data analytics, has enjoyed significant improvements…

Computer Vision and Pattern Recognition · Computer Science 2019-11-15 George Plastiras , Christos Kyrkou , Theocharis Theocharides

This paper addresses the challenges of Online Action Recognition (OAR), a framework that involves instantaneous analysis and classification of behaviors in video streams. OAR must operate under stringent latency constraints, making it an…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Wei Luo , Deyu Zhang , Ying Tang , Fan Wu , Yaoxue Zhang