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In this paper, we propose to learn temporal embeddings of video frames for complex video analysis. Large quantities of unlabeled video data can be easily obtained from the Internet. These videos possess the implicit weak label that they are…

Computer Vision and Pattern Recognition · Computer Science 2015-05-05 Vignesh Ramanathan , Kevin Tang , Greg Mori , Li Fei-Fei

Existing video domain adaption (DA) methods need to store all temporal combinations of video frames or pair the source and target videos, which are memory cost expensive and can't scale up to long videos. To address these limitations, we…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Xinyue Hu , Lin Gu , Liangchen Liu , Ruijiang Li , Chang Su , Tatsuya Harada , Yingying Zhu

For decades, video compression technology has been a prominent research area. Traditional hybrid video compression framework and end-to-end frameworks continue to explore various intra- and inter-frame reference and prediction strategies…

Image and Video Processing · Electrical Eng. & Systems 2024-10-04 Gai Zhang , Xinfeng Zhang , Lv Tang , Yue Li , Kai Zhang , Li Zhang

With recent video object segmentation (VOS) benchmarks evolving to challenging scenarios, we revisit a simple but overlooked strategy: restricting the size of memory banks. This diverges from the prevalent practice of expanding memory banks…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Junbao Zhou , Ziqi Pang , Yu-Xiong Wang

Temporal feature extraction is an essential technique in video-based action recognition. Key points have been utilized in skeleton-based action recognition methods but they require costly key point annotation. In this paper, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2020-08-27 Haozhi Cao , Yuecong Xu , Jianfei Yang , Kezhi Mao , Jianxiong Yin , Simon See

Current video understanding models rely on fixed frame sampling strategies, processing predetermined visual inputs regardless of the specific reasoning requirements of each question. This static approach limits their ability to adaptively…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Haonan Ge , Yiwei Wang , Kai-Wei Chang , Hang Wu , Yujun Cai

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.…

Video-based multimodal large language models (Video-LLMs) possess significant potential for video understanding tasks. However, most Video-LLMs treat videos as a sequential set of individual frames, which results in insufficient…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Xiaohan Lan , Yitian Yuan , Zequn Jie , Lin Ma

While many action recognition datasets consist of collections of brief, trimmed videos each containing a relevant action, videos in the real-world (e.g., on YouTube) exhibit very different properties: they are often several minutes long,…

Computer Vision and Pattern Recognition · Computer Science 2019-09-02 Bruno Korbar , Du Tran , Lorenzo Torresani

Many images and videos are primarily processed by computer vision algorithms, involving only occasional human inspection. When this content requires compression before processing, e.g., in distributed applications, coding methods must…

Image and Video Processing · Electrical Eng. & Systems 2025-08-27 Samuel Fernández-Menduiña , Eduardo Pavez , Antonio Ortega

Numerous video frame sampling methodologies detailed in the literature present a significant challenge in determining the optimal video frame method for Video RAG pattern without a comparative side-by-side analysis. In this work, we…

Multimedia · Computer Science 2024-08-08 Mahesh Kandhare , Thibault Gisselbrecht

Egocentric memory is widely used in embodied intelligence, but it may be insufficient for comprehensive spatial-temporal reasoning. Inspired by human recall from both field and observer perspectives, we introduce EgoExoMem, the first…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Ruiping Liu , Junwei Zheng , Yufan Chen , Di Wen , Shaofang Quan , Chengzhi Wu , Jiaming Zhang , Kailun Yang , Kunyu Peng , Rainer Stiefelhagen

In this work, we introduce the first framework for Motion-aware Event Suppression, which learns to filter events triggered by IMOs and ego-motion in real time. Our model jointly segments IMOs in the current event stream while predicting…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Roberto Pellerito , Nico Messikommer , Giovanni Cioffi , Marco Cannici , Davide Scaramuzza

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…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Kai Xu , Angela Yao

Long video understanding is inherently challenging for vision-language models (VLMs) because of the extensive number of frames. With each video frame typically expanding into tens or hundreds of tokens, the limited context length of large…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Zheyu Zhang , Ziqi Pang , Shixing Chen , Xiang Hao , Vimal Bhat , Yu-Xiong Wang

Video processing for real-time analytics in resource-constrained environments presents a significant challenge in balancing energy consumption and video semantics. This paper addresses the problem of energy-efficient video processing by…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Benjamin Civjan , Bo Chen , Ruixiao Zhang , Klara Nahrstedt

Extreme image or video completion, where, for instance, we only retain 1% of pixels in random locations, allows for very cheap sampling in terms of the required pre-processing. The consequence is, however, a reconstruction that is…

Computer Vision and Pattern Recognition · Computer Science 2020-04-15 Majed El Helou , Ruofan Zhou , Frank Schmutz , Fabrice Guibert , Sabine Süsstrunk

With 95% of Internet traffic now encrypted, an effective approach to classifying this traffic is crucial for network security and management. This paper introduces ECHO -- a novel optimization process for ML/DL-based encrypted traffic…

Networking and Internet Architecture · Computer Science 2024-07-11 Shilo Daum , Tal Shapira , Anat Bremler-Barr , David Hay

We consider the problem of transferring a temporal action segmentation system initially designed for exocentric (fixed) cameras to an egocentric scenario, where wearable cameras capture video data. The conventional supervised approach…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Camillo Quattrocchi , Antonino Furnari , Daniele Di Mauro , Mario Valerio Giuffrida , Giovanni Maria Farinella

Recently, neuro-inspired episodic control (EC) methods have been developed to overcome the data-inefficiency of standard deep reinforcement learning approaches. Using non-/semi-parametric models to estimate the value function, they learn…

Machine Learning · Computer Science 2019-11-22 Andrea Agostinelli , Kai Arulkumaran , Marta Sarrico , Pierre Richemond , Anil Anthony Bharath