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Related papers: Boundary-Denoising for Video Activity Localization

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Monte-Carlo path tracing is a powerful technique for realistic image synthesis but suffers from high levels of noise at low sample counts, limiting its use in real-time applications. To address this, we propose a framework with end-to-end…

Computer Vision and Pattern Recognition · Computer Science 2023-10-06 Antoine Scardigli , Lukas Cavigelli , Lorenz K. Müller

Video activity recognition has become increasingly important in robots and embodied AI. Recognizing continuous video activities poses considerable challenges due to the fast expansion of streaming video, which contains multi-scale and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Hao Wu , Donglin Bai , Shiqi Jiang , Qianxi Zhang , Yifan Yang , Xin Ding , Ting Cao , Yunxin Liu , Fengyuan Xu

Efficiently computing attention maps for videos is challenging due to the motion of objects between frames. While a standard non-local search is high-quality for a window surrounding each query point, the window's small size cannot…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Kent Gauen , Stanley Chan

We propose a weakly supervised temporal action localization algorithm on untrimmed videos using convolutional neural networks. Our algorithm learns from video-level class labels and predicts temporal intervals of human actions with no…

Computer Vision and Pattern Recognition · Computer Science 2018-04-04 Phuc Nguyen , Ting Liu , Gautam Prasad , Bohyung Han

Current text-driven Video Moment Retrieval (VMR) methods encode all video clips, including irrelevant ones, disrupting multimodal alignment and hindering optimization. To this end, we propose a denoise-then-retrieve paradigm that explicitly…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Weijia Liu , Jiuxin Cao , Bo Miao , Zhiheng Fu , Xuelin Zhu , Jiawei Ge , Bo Liu , Mehwish Nasim , Ajmal Mian

There is limited understanding of the information captured by deep spatiotemporal models in their intermediate representations. For example, while evidence suggests that action recognition algorithms are heavily influenced by visual…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Matthew Kowal , Mennatullah Siam , Md Amirul Islam , Neil D. B. Bruce , Richard P. Wildes , Konstantinos G. Derpanis

As an open research topic in the field of deep learning, learning with noisy labels has attracted much attention and grown rapidly over the past ten years. Learning with label noise is crucial for driver distraction behavior recognition, as…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Linjuan Fan , Di Wen , Kunyu Peng , Kailun Yang , Jiaming Zhang , Ruiping Liu , Yufan Chen , Junwei Zheng , Jiamin Wu , Xudong Han , Rainer Stiefelhagen

The ultimate aim of image restoration like denoising is to find an exact correlation between the noisy and clear image domains. But the optimization of end-to-end denoising learning like pixel-wise losses is performed in a sample-to-sample…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Kangfu Mei , Vishal M. Patel , Rui Huang

Dense video captioning is a newly emerging task that aims at both localizing and describing all events in a video. We identify and tackle two challenges on this task, namely, (1) how to utilize both past and future contexts for accurate…

Computer Vision and Pattern Recognition · Computer Science 2018-04-04 Jingwen Wang , Wenhao Jiang , Lin Ma , Wei Liu , Yong Xu

Recent studies on motion estimation have advocated an optimized motion representation that is globally consistent across the entire video, preferably for every pixel. This is challenging as a uniform representation may not account for the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Rui Li , Dong Liu

We present a Temporal Context Network (TCN) for precise temporal localization of human activities. Similar to the Faster-RCNN architecture, proposals are placed at equal intervals in a video which span multiple temporal scales. We propose a…

Computer Vision and Pattern Recognition · Computer Science 2017-08-09 Xiyang Dai , Bharat Singh , Guyue Zhang , Larry S. Davis , Yan Qiu Chen

Video-based person re-identification (re-ID) aims at matching the same person across video clips. Efficiently exploiting multi-scale fine-grained features while building the structural interaction among them is pivotal for its success. In…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Tianyu He , Xin Jin , Xu Shen , Jianqiang Huang , Zhibo Chen , Xian-Sheng Hua

This paper strives for spatio-temporal localization of human actions in videos. In the literature, the consensus is to achieve localization by training on bounding box annotations provided for each frame of each training video. As…

Computer Vision and Pattern Recognition · Computer Science 2018-10-02 Pascal Mettes , Cees G. M. Snoek

In surveillance, monitoring and tactical reconnaissance, gathering the right visual information from a dynamic environment and accurately processing such data are essential ingredients to making informed decisions which determines the…

Computer Vision and Pattern Recognition · Computer Science 2016-04-18 Kin Gwn Lore , Adedotun Akintayo , Soumik Sarkar

Existing audio-visual event localization (AVE) handles manually trimmed videos with only a single instance in each of them. However, this setting is unrealistic as natural videos often contain numerous audio-visual events with different…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Tiantian Geng , Teng Wang , Jinming Duan , Runmin Cong , Feng Zheng

Visual localization is one of the most important components for robotics and autonomous driving. Recently, inspiring results have been shown with CNN-based methods which provide a direct formulation to end-to-end regress 6-DoF absolute…

Computer Vision and Pattern Recognition · Computer Science 2021-07-02 Mi Tian , Qiong Nie , Hao Shen , Xiahua Xia

Semi-supervised and unsupervised systems provide operators with invaluable support and can tremendously reduce the operators load. In the light of the necessity to process large volumes of video data and provide autonomous decisions, this…

Machine Learning · Statistics 2017-09-20 Olga Isupova , Danil Kuzin , Lyudmila Mihaylova

Video moment retrieval and highlight detection have received attention in the current era of video content proliferation, aiming to localize moments and estimate clip relevances based on user-specific queries. Given that the video content…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Henghao Zhao , Kevin Qinghong Lin , Rui Yan , Zechao Li

The goal of this paper is to determine the spatio-temporal location of actions in video. Where training from hard to obtain box annotations is the norm, we propose an intuitive and effective algorithm that localizes actions from their class…

Computer Vision and Pattern Recognition · Computer Science 2017-12-14 Pascal Mettes , Cees G. M. Snoek , Shih-Fu Chang

Autonomous agents are increasingly entrusted with complex, long-horizon tasks, ranging from mathematical reasoning to software generation. While agentic workflows facilitate these tasks by decomposing them into multi-step reasoning chains,…

Artificial Intelligence · Computer Science 2026-03-03 Yandong Yan , Junwei Peng , Shijie Li , Chenxi Li , Yifei Shang , Can Deng , Ruiting Dai , Yongqiang Zhao , Jiaqi Zhu , Yu Huang
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