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Related papers: t-EVA: Time-Efficient t-SNE Video Annotation

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Despite the steady progress in video analysis led by the adoption of convolutional neural networks (CNNs), the relative improvement has been less drastic as that in 2D static image classification. Three main challenges exist including…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Saining Xie , Chen Sun , Jonathan Huang , Zhuowen Tu , Kevin Murphy

The increasing prevalence of video clips has sparked growing interest in text-video retrieval. Recent advances focus on establishing a joint embedding space for text and video, relying on consistent embedding representations to compute…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Jiamian Wang , Guohao Sun , Pichao Wang , Dongfang Liu , Sohail Dianat , Majid Rabbani , Raghuveer Rao , Zhiqiang Tao

In the world of action recognition research, one primary focus has been on how to construct and train networks to model the spatial-temporal volume of an input video. These methods typically uniformly sample a segment of an input clip…

Computer Vision and Pattern Recognition · Computer Science 2020-12-16 Xinyu Li , Chunhui Liu , Bing Shuai , Yi Zhu , Hao Chen , Joseph Tighe

Content-based video retrieval aims to find videos from a large video database that are similar to or even near-duplicate of a given query video. Video representation and similarity search algorithms are crucial to any video retrieval…

Computer Vision and Pattern Recognition · Computer Science 2021-04-19 Xiangteng He , Yulin Pan , Mingqian Tang , Yiliang Lv

Recently, the image-wise implicit neural representation of videos, NeRV, has gained popularity for its promising results and swift speed compared to regular pixel-wise implicit representations. However, the redundant parameters within the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Zizhang Li , Mengmeng Wang , Huaijin Pi , Kechun Xu , Jianbiao Mei , Yong Liu

Previous research has studied the task of segmenting cinematic videos into scenes and into narrative acts. However, these studies have overlooked the essential task of multimodal alignment and fusion for effectively and efficiently…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Najmeh Sadoughi , Xinyu Li , Avijit Vajpayee , David Fan , Bing Shuai , Hector Santos-Villalobos , Vimal Bhat , Rohith MV

Video summarization is among challenging tasks in computer vision, which aims at identifying highlight frames or shots over a lengthy video input. In this paper, we propose an novel attention-based framework for video summarization with…

Computer Vision and Pattern Recognition · Computer Science 2020-06-04 Yen-Ting Liu , Yu-Jhe Li , Yu-Chiang Frank Wang

Molecular simulation trajectories represent high-dimensional data. Such data can be visualized by methods of dimensionality reduction. Non-linear dimensionality reduction methods are likely to be more efficient than linear ones due to the…

Chemical Physics · Physics 2020-08-24 Vojtěch Spiwok , Pavel Kříž

This paper is on video recognition using Transformers. Very recent attempts in this area have demonstrated promising results in terms of recognition accuracy, yet they have been also shown to induce, in many cases, significant computational…

Computer Vision and Pattern Recognition · Computer Science 2021-06-14 Adrian Bulat , Juan-Manuel Perez-Rua , Swathikiran Sudhakaran , Brais Martinez , Georgios Tzimiropoulos

Purpose: In medical research, deep learning models rely on high-quality annotated data, a process often laborious and timeconsuming. This is particularly true for detection tasks where bounding box annotations are required. The need to…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Meyer Adrien , Mazellier Jean-Paul , Jeremy Dana , Nicolas Padoy

3D convolution is powerful for video classification but often computationally expensive, recent studies mainly focus on decomposing it on spatial-temporal and/or channel dimensions. Unfortunately, most approaches fail to achieve a…

Computer Vision and Pattern Recognition · Computer Science 2021-06-04 Kunchang Li , Xianhang Li , Yali Wang , Jun Wang , Yu Qiao

Although various image-based domain adaptation (DA) techniques have been proposed in recent years, domain shift in videos is still not well-explored. Most previous works only evaluate performance on small-scale datasets which are saturated.…

Computer Vision and Pattern Recognition · Computer Science 2019-09-17 Min-Hung Chen , Zsolt Kira , Ghassan AlRegib , Jaekwon Yoo , Ruxin Chen , Jian Zheng

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

Text-Video retrieval is a task of great practical value and has received increasing attention, among which learning spatial-temporal video representation is one of the research hotspots. The video encoders in the state-of-the-art video…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Yuqi Liu , Pengfei Xiong , Luhui Xu , Shengming Cao , Qin Jin

This paper introduces a video dataset of spatio-temporally localized Atomic Visual Actions (AVA). The AVA dataset densely annotates 80 atomic visual actions in 430 15-minute video clips, where actions are localized in space and time,…

Modern methods for data visualization via dimensionality reduction, such as t-SNE, usually have performance issues that prohibit their application to large amounts of high-dimensional data. In this work, we propose NCVis -- a…

Machine Learning · Statistics 2020-01-31 Aleksandr Artemenkov , Maxim Panov

Video-based gaze estimation methods aim to capture the inherently temporal dynamics of human eye gaze from multiple image frames. However, since models must capture both spatial and temporal relationships, performance is limited by the…

Computer Vision and Pattern Recognition · Computer Science 2025-12-22 Alexandre Personnic , Mihai Bâce

Manual annotation remains the gold standard for high-quality, dense temporal video datasets, yet it is inherently time-consuming. Vision-language models can aid human annotators and expedite this process. We report on the impact of…

Computer Vision and Pattern Recognition · Computer Science 2026-02-09 Juan Gutiérrez , Victor Gutiérrez , Ángel Mora , Silvia Rodriguez , José Luis Blanco

$t$-SNE is an embedding method that the data science community has widely Two interesting characteristics of t-SNE are the structure preservation property and the answer to the crowding problem, where all neighbors in high dimensional space…

Machine Learning · Computer Science 2021-09-23 Gaëlle Candel , David Naccache

Modern machine learning methods require significant amounts of labelled data, making the preparation process time-consuming and resource-intensive. In this paper, we propose to consider the process of prototyping a tool for annotating and…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Nikita Ivanov , Mark Klimov , Dmitry Glukhikh , Tatiana Chernysheva , Igor Glukhikh