中文
相关论文

相关论文: Time Is MattEr: Temporal Self-supervision for Vide…

200 篇论文

Analyzing temporal developments is crucial for the accurate prognosis of many medical conditions. Temporal changes that occur over short time scales are key to assessing the health of physiological functions, such as the cardiac cycle.…

MoCo is effective for unsupervised image representation learning. In this paper, we propose VideoMoCo for unsupervised video representation learning. Given a video sequence as an input sample, we improve the temporal feature representations…

计算机视觉与模式识别 · 计算机科学 2021-03-18 Tian Pan , Yibing Song , Tianyu Yang , Wenhao Jiang , Wei Liu

Spatio-temporal feature learning is of central importance for action recognition in videos. Existing deep neural network models either learn spatial and temporal features independently (C2D) or jointly with unconstrained parameters (C3D).…

计算机视觉与模式识别 · 计算机科学 2019-03-05 Chao Li , Qiaoyong Zhong , Di Xie , Shiliang Pu

Action classification has made great progress, but segmenting and recognizing actions from long untrimmed videos remains a challenging problem. Most state-of-the-art methods focus on designing temporal convolution-based models, but the…

计算机视觉与模式识别 · 计算机科学 2022-11-23 Dazhao Du , Bing Su , Yu Li , Zhongang Qi , Lingyu Si , Ying Shan

Video is a scalable observation of physical dynamics: it captures how objects move, how contact unfolds, and how scenes evolve under interaction -- all without requiring robot action labels. Yet translating this temporal structure into…

机器人学 · 计算机科学 2026-04-08 Linfang Zheng , Zikai Ouyang , Chen Wang , Jia Pan , Wei Zhang

Point-supervised Temporal Action Localization (PTAL) adopts a lightly frame-annotated paradigm (\textit{i.e.}, labeling only a single frame per action instance) to train a model to effectively locate action instances within untrimmed…

计算机视觉与模式识别 · 计算机科学 2026-02-06 Yunchuan Ma , Laiyun Qing , Guorong Li , Yuqing Liu , Yuankai Qi , Qingming Huang

Temporal human action detection aims to identify and localize action segments within untrimmed videos, serving as a pivotal task in video understanding. Despite the progress achieved by prior architectures like CNN and Transformer models,…

计算机视觉与模式识别 · 计算机科学 2026-04-13 Yicheng Qiu , Keiji Yanai

The rapid growth of video content across domains such as surveillance, education, and social media has made efficient content understanding increasingly critical. Video summarization addresses this challenge by generating concise yet…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Pritam Mishra , Coloma Ballester , Dimosthenis Karatzas

Distinguishing visually similar objects by their motion remains a critical challenge in computer vision. Although supervised trackers show promise, contemporary self-supervised trackers struggle when visual cues become ambiguous, limiting…

计算机视觉与模式识别 · 计算机科学 2025-12-03 Chenshuang Zhang , Kang Zhang , Joon Son Chung , In So Kweon , Junmo Kim , Chengzhi Mao

Video Anomaly Detection (VAD), aiming to identify abnormalities within a specific context and timeframe, is crucial for intelligent Video Surveillance Systems. While recent deep learning-based VAD models have shown promising results by…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Hao Shen , Lu Shi , Wanru Xu , Yigang Cen , Linna Zhang , Gaoyun An

Long-range temporal alignment is critical yet challenging for video restoration tasks. Recently, some works attempt to divide the long-range alignment into several sub-alignments and handle them progressively. Although this operation is…

计算机视觉与模式识别 · 计算机科学 2021-12-02 Kun Zhou , Wenbo Li , Liying Lu , Xiaoguang Han , Jiangbo Lu

Temporal consistency is critical in video prediction to ensure that outputs are coherent and free of artifacts. Traditional methods, such as temporal attention and 3D convolution, may struggle with significant object motion and may not…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Zihang Lai , Andrea Vedaldi

Self-supervised learning has garnered increasing attention in time series analysis for benefiting various downstream tasks and reducing reliance on labeled data. Despite its effectiveness, existing methods often struggle to comprehensively…

机器学习 · 计算机科学 2025-06-12 Daoyu Wang , Mingyue Cheng , Zhiding Liu , Qi Liu

Recently, there is a surge in interest surrounding video large language models (Video LLMs). However, existing benchmarks fail to provide a comprehensive feedback on the temporal perception ability of Video LLMs. On the one hand, most of…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Yuanxin Liu , Shicheng Li , Yi Liu , Yuxiang Wang , Shuhuai Ren , Lei Li , Sishuo Chen , Xu Sun , Lu Hou

Audio-visual speech recognition (AVSR) aims to transcribe human speech using both audio and video modalities. In practical environments with noise-corrupted audio, the role of video information becomes crucial. However, prior works have…

音频与语音处理 · 电气工程与系统科学 2024-10-15 Sungnyun Kim , Kangwook Jang , Sangmin Bae , Hoirin Kim , Se-Young Yun

Video Question Answering (VideoQA) is a complex video-language task that demands a sophisticated understanding of both visual content and temporal dynamics. Traditional Transformer-style architectures, while effective in integrating…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Zijie Song , Zhenzhen Hu , Yixiao Ma , Jia Li , Richang Hong

We observe that recent advances in multimodal foundation models have propelled instruction-driven image generation and editing into a genuinely cross-modal, cooperative regime. Nevertheless, state-of-the-art editing pipelines remain costly:…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Xiaofan Li , Yanpeng Sun , Chenming Wu , Fan Duan , YuAn Wang , Weihao Bo , Yumeng Zhang , Dingkang Liang

We present a novel technique for self-supervised video representation learning by: (a) decoupling the learning objective into two contrastive subtasks respectively emphasizing spatial and temporal features, and (b) performing it…

计算机视觉与模式识别 · 计算机科学 2021-09-02 Zehua Zhang , David Crandall

Our work explores temporal self-supervision for GAN-based video generation tasks. While adversarial training successfully yields generative models for a variety of areas, temporal relationships in the generated data are much less explored.…

计算机视觉与模式识别 · 计算机科学 2020-05-22 Mengyu Chu , You Xie , Jonas Mayer , Laura Leal-Taixé , Nils Thuerey

Deep learning has achieved great success in video recognition, yet still struggles to recognize novel actions when faced with only a few examples. To tackle this challenge, few-shot action recognition methods have been proposed to transfer…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Yilun Zhang , Yuqian Fu , Xingjun Ma , Lizhe Qi , Jingjing Chen , Zuxuan Wu , Yu-Gang Jiang