English
Related papers

Related papers: Computer-Aided Annotation for Video Tampering Data…

200 papers

To exploit high temporal correlations in video frames of the same scene, the current frame is predicted from the already-encoded reference frames using block-based motion estimation and compensation techniques. While this approach can…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 S. M. A. K. Rajin , M. Murshed , M. Paul , S. W. Teng , J. Ma

In this work, we address the problem of precisely localizing key frames of an action, for example, the precise time that a pitcher releases a baseball, or the precise time that a crowd begins to applaud. Key frame localization is a largely…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Iljung S. Kwak , Jian-Zhong Guo , Adam Hantman , David Kriegman , Kristin Branson

Multi-camera systems are indispensable in movies, TV shows, and other media. Selecting the appropriate camera at every timestamp has a decisive impact on production quality and audience preferences. Learning-based view recommendation…

Computer Vision and Pattern Recognition · Computer Science 2024-10-18 Kuan-Ying Lee , Qian Zhou , Klara Nahrstedt

This paper introduces a novel physical annotation system designed to generate training data for automated optical inspection. The system uses pointer-based in-situ interaction to transfer the valuable expertise of trained inspection…

Computer Vision and Pattern Recognition · Computer Science 2025-07-18 Oliver Krumpek , Oliver Heimann , Jörg Krüger

For many applications with limited computation, communication, storage and energy resources, there is an imperative need of computer vision methods that could select an informative subset of the input video for efficient processing at or…

Computer Vision and Pattern Recognition · Computer Science 2018-05-09 Shuyue Lan , Rameswar Panda , Qi Zhu , Amit K. Roy-Chowdhury

Thanks to the advances in the technology of low-cost digital cameras and the popularity of the self-recording culture, the amount of visual data on the Internet is going to the opposite side of the available time and patience of the users.…

The query-based moment retrieval is a problem of localising a specific clip from an untrimmed video according a query sentence. This is a challenging task that requires interpretation of both the natural language query and the video…

Computer Vision and Pattern Recognition · Computer Science 2020-10-08 Mayu Otani , Yuta Nakashima , Esa Rahtu , Janne Heikkilä

Video ads segmentation and tagging is a challenging task due to two main reasons: (1) the video scene structure is complex and (2) it includes multiple modalities (e.g., visual, audio, text.). While previous work focuses mostly on activity…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Tomoyuki Suzuki , Antonio Tejero-de-Pablos

Though action recognition in videos has achieved great success recently, it remains a challenging task due to the massive computational cost. Designing lightweight networks is a possible solution, but it may degrade the recognition…

Computer Vision and Pattern Recognition · Computer Science 2020-02-11 Wenhao Wu , Dongliang He , Xiao Tan , Shifeng Chen , Yi Yang , Shilei Wen

Pose Estimation techniques rely on visual cues available through observations represented in the form of pixels. But the performance is bounded by the frame rate of the video and struggles from motion blur, occlusions, and temporal…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Snehesh Shrestha , Cornelia Fermüller , Tianyu Huang , Pyone Thant Win , Adam Zukerman , Chethan M. Parameshwara , Yiannis Aloimonos

In this paper we introduce a new dataset for 360-degree video summarization: the transformation of 360-degree video content to concise 2D-video summaries that can be consumed via traditional devices, such as TV sets and smartphones. The…

Computer Vision and Pattern Recognition · Computer Science 2024-06-06 Ioannis Kontostathis , Evlampios Apostolidis , Vasileios Mezaris

Temporal action detection (TAD) is an important yet challenging task in video analysis. Most existing works draw inspiration from image object detection and tend to reformulate it as a proposal generation - classification problem. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-03-04 Chen Zhao , Merey Ramazanova , Mengmeng Xu , Bernard Ghanem

Annotating images with tags is useful for indexing and retrieving images. However, many available annotation data include missing or inaccurate annotations. In this paper, we propose an image annotation framework which sequentially performs…

Computer Vision and Pattern Recognition · Computer Science 2016-06-22 Yuqing Hou , Zhouchen Lin , Jin-ge Yao

Understanding human actions from videos is essential in many domains, including sports. In figure skating, technical judgments are performed by watching skaters' 3D movements, and its part of the judging procedure can be regarded as a…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Ryota Tanaka , Tomohiro Suzuki , Keisuke Fujii

We propose a self-supervised learning method to jointly reason about spatial and temporal context for video recognition. Recent self-supervised approaches have used spatial context [9, 34] as well as temporal coherency [32] but a…

Computer Vision and Pattern Recognition · Computer Science 2018-08-24 Unaiza Ahsan , Rishi Madhok , Irfan Essa

A vast amount of audio-visual data is available on the Internet thanks to video streaming services, to which users upload their content. However, there are difficulties in exploiting available data for supervised statistical models due to…

Multimedia · Computer Science 2019-07-30 Yasufumi Moriya , Ramon Sanabria , Florian Metze , Gareth J. F. Jones

Video-Based Design (VBD) uses video as a primary medium for analyzing user interactions, prototyping, and generating design insights. However, current VBD workflows are constrained by labor-intensive, inconsistent manual annotations that…

Human-Computer Interaction · Computer Science 2025-11-20 Tianhao He , Evangelos Niforatos , Gerd Kortuem

The success of deep neural networks generally requires a vast amount of training data to be labeled, which is expensive and unfeasible in scale, especially for video collections. To alleviate this problem, in this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2019-04-05 Longlong Jing , Xiaodong Yang , Jingen Liu , Yingli Tian

Video temporal grounding aims to localize relevant temporal boundaries in a video given a textual prompt. Recent work has focused on enabling Video LLMs to perform video temporal grounding via next-token prediction of temporal timestamps.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-06 Xizi Wang , Feng Cheng , Ziyang Wang , Huiyu Wang , Md Mohaiminul Islam , Lorenzo Torresani , Mohit Bansal , Gedas Bertasius , David Crandall

Video action understanding tasks in real-world scenarios always suffer data limitations. In this paper, we address the data-limited action understanding problem by bridging data scarcity. We propose a novel method that employs a…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Wei Li , Dezhao Luo , Dongbao Yang , Zhenhang Li , Weiping Wang , Yu Zhou