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Detecting carried objects is one of the requirements for developing systems to reason about activities involving people and objects. We present an approach to detect carried objects from a single video frame with a novel method that…

计算机视觉与模式识别 · 计算机科学 2018-01-12 Farnoosh Ghadiri , Robert Bergevin , Guillaume-Alexandre Bilodeau

Searching through large volumes of medical data to retrieve relevant information is a challenging yet crucial task for clinical care. However the primitive and most common approach to retrieval, involving text in the form of keywords, is…

图像与视频处理 · 电气工程与系统科学 2023-06-21 Tong Yu , Pietro Mascagni , Juan Verde , Jacques Marescaux , Didier Mutter , Nicolas Padoy

In this paper, we present a novel framework designed to reconstruct long-sequence 3D human motion in the world coordinates from in-the-wild videos with multiple shot transitions. Such long-sequence in-the-wild motions are highly valuable to…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Yuhong Zhang , Guanlin Wu , Ling-Hao Chen , Zhuokai Zhao , Jing Lin , Xiaoke Jiang , Jiamin Wu , Zhuoheng Li , Hao Frank Yang , Haoqian Wang , Lei Zhang

Recent advances in image-based human pose estimation make it possible to capture 3D human motion from a single RGB video. However, the inherent depth ambiguity and self-occlusion in a single view prohibit the recovery of as high-quality…

计算机视觉与模式识别 · 计算机科学 2020-08-20 Junting Dong , Qing Shuai , Yuanqing Zhang , Xian Liu , Xiaowei Zhou , Hujun Bao

Identifying human actions in complex scenes is widely considered as a challenging research problem due to the unpredictable behaviors and variation of appearances and postures. For extracting variations in motion and postures, trajectories…

计算机视觉与模式识别 · 计算机科学 2019-05-27 Tauseef Ali , Eissa Jaber Alreshidi

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…

计算机视觉与模式识别 · 计算机科学 2020-05-26 Bharti Munjal , Abdul Rafey Aftab , Sikandar Amin , Meltem D. Brandlmaier , Federico Tombari , Fabio Galasso

Every day around the world, interminable terabytes of data are being captured for surveillance purposes. A typical 1-2MP CCTV camera generates around 7-12GB of data per day. Frame-by-frame processing of such enormous amount of data requires…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Yeshwanth Ravi Theja Bethi , Sathyaprakash Narayanan , Venkat Rangan , Chetan Singh Thakur

In this paper, we present a novel model to detect lane regions and extract lane departure events (changes and incursions) from challenging, lower-resolution videos recorded with mobile cameras. Our algorithm used a Mask-RCNN based lane…

计算机视觉与模式识别 · 计算机科学 2019-06-04 Luis Riera , Koray Ozcan , Jennifer Merickel , Mathew Rizzo , Soumik Sarkar , Anuj Sharma

As important data carriers, the drastically increasing number of multimedia videos often brings many duplicate and near-duplicate videos in the top results of search. Near-duplicate video retrieval (NDVR) can cluster and filter out the…

信息检索 · 计算机科学 2021-06-01 Hao Cheng , Ping Wang , Chun Qi

Recent co-part segmentation methods mostly operate in a supervised learning setting, which requires a large amount of annotated data for training. To overcome this limitation, we propose a self-supervised deep learning method for co-part…

计算机视觉与模式识别 · 计算机科学 2021-04-12 Aliaksandr Siarohin , Subhankar Roy , Stéphane Lathuilière , Sergey Tulyakov , Elisa Ricci , Nicu Sebe

Detection of moving objects such as vehicles in videos acquired from an airborne camera is very useful for video analytics applications. Using fast low power algorithms for onboard moving object detection would also provide region of…

计算机视觉与模式识别 · 计算机科学 2019-07-03 Noor Al-Shakarji , Filiz Bunyak , Hadi Aliakbarpour , Guna Seetharaman , Kannappan Palaniappan

Visual appearance-based person retrieval is a challenging problem in surveillance. It uses attributes like height, cloth color, cloth type and gender to describe a human. Such attributes are known as soft biometrics. This paper proposes…

计算机视觉与模式识别 · 计算机科学 2019-11-01 Hiren Galiyawala , Mehul S Raval , Shivansh Dave

Referring video object segmentation (RVOS) aims to identify, track and segment the objects in a video based on language descriptions, which has received great attention in recent years. However, existing datasets remain focus on short video…

计算机视觉与模式识别 · 计算机科学 2025-10-29 Tianming Liang , Haichao Jiang , Yuting Yang , Chaolei Tan , Shuai Li , Wei-Shi Zheng , Jian-Fang Hu

The goal of this paper is to discover, segment, and track independently moving objects in complex visual scenes. Previous approaches have explored the use of optical flow for motion segmentation, leading to imperfect predictions due to…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Junyu Xie , Weidi Xie , Andrew Zisserman

In this paper we address the problem of motion event detection in athlete recordings from individual sports. In contrast to recent end-to-end approaches, we propose to use 2D human pose sequences as an intermediate representation that…

计算机视觉与模式识别 · 计算机科学 2020-04-23 Moritz Einfalt , Rainer Lienhart

In this work, we propose a novel procedure for video super-resolution, that is the recovery of a sequence of high-resolution images from its low-resolution counterpart. Our approach is based on a "sequential" model (i.e., each…

计算机视觉与模式识别 · 计算机科学 2016-02-16 Patrick Héas , Angélique Drémeau , Cédric Herzet

The vast number of existing IP cameras in current road networks is an opportunity to take advantage of the captured data and analyze the video and detect any significant events. For this purpose, it is necessary to detect moving vehicles, a…

计算机视觉与模式识别 · 计算机科学 2021-05-19 Iván García , Rafael Marcos Luque , Ezequiel López

We address an essential problem in computer vision, that of unsupervised object segmentation in video, where a main object of interest in a video sequence should be automatically separated from its background. An efficient solution to this…

计算机视觉与模式识别 · 计算机科学 2017-04-20 Emanuela Haller , Marius Leordeanu

We share the implementation details and testing results for video retrieval system based exclusively on features extracted by convolutional neural networks. We show that deep learned features might serve as universal signature for semantic…

信息检索 · 计算机科学 2016-01-29 Anna Podlesnaya , Sergey Podlesnyy

We propose an efficient plug-and-play acceleration framework for semi-supervised video object segmentation by exploiting the temporal redundancies in videos presented by the compressed bitstream. Specifically, we propose a motion…

计算机视觉与模式识别 · 计算机科学 2022-04-07 Kai Xu , Angela Yao