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Generic Event Boundary Detection (GEBD) is a newly introduced task that aims to detect "general" event boundaries that correspond to natural human perception. In this paper, we introduce a novel contrastive learning based approach to deal…

Computer Vision and Pattern Recognition · Computer Science 2021-06-23 Hyolim Kang , Jinwoo Kim , Kyungmin Kim , Taehyun Kim , Seon Joo Kim

Generic event boundary detection (GEBD) is an important yet challenging task in video understanding, which aims at detecting the moments where humans naturally perceive event boundaries. In this paper, we present a local context modeling…

Computer Vision and Pattern Recognition · Computer Science 2022-07-01 Jiaqi Tang , Zhaoyang Liu , Jing Tan , Chen Qian , Wayne Wu , Limin Wang

This paper presents a novel task together with a new benchmark for detecting generic, taxonomy-free event boundaries that segment a whole video into chunks. Conventional work in temporal video segmentation and action detection focuses on…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Mike Zheng Shou , Stan Weixian Lei , Weiyao Wang , Deepti Ghadiyaram , Matt Feiszli

In this report, we present our solution for the task of temporal action localization (detection) (task 1) in ActivityNet Challenge 2020. The purpose of this task is to temporally localize intervals where actions of interest occur and…

Computer Vision and Pattern Recognition · Computer Science 2020-06-25 Xiang Wang , Baiteng Ma , Zhiwu Qing , Yongpeng Sang , Changxin Gao , Shiwei Zhang , Nong Sang

Generic Event Boundary Detection (GEBD) aims to detect moments where humans naturally perceive as event boundaries. In this paper, we present Structured Context Transformer (or SC-Transformer) to solve the GEBD task, which can be trained in…

Computer Vision and Pattern Recognition · Computer Science 2022-06-08 Congcong Li , Xinyao Wang , Dexiang Hong , Yufei Wang , Libo Zhang , Tiejian Luo , Longyin Wen

This report presents the algorithm used in the submission of Generic Event Boundary Detection (GEBD) Challenge at CVPR 2022. In this work, we improve the existing Structured Context Transformer (SC-Transformer) method for GEBD.…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Dexiang Hong , Xiaoqi Ma , Xinyao Wang , Congcong Li , Yufei Wang , Longyin Wen

Generic Event Boundary Detection (GEBD) tasks aim at detecting generic, taxonomy-free event boundaries that segment a whole video into chunks. In this paper, we apply Masked Autoencoders to improve algorithm performance on the GEBD tasks.…

Computer Vision and Pattern Recognition · Computer Science 2022-06-20 Rui He , Yuanxi Sun , Youzeng Li , Zuwei Huang , Feng Hu , Xu Cheng , Jie Tang

The Generic Event Boundary Detection (GEBD) task aims to build a model for segmenting videos into segments by detecting general event boundaries applicable to various classes. In this paper, based on last year's MAE-GEBD method, we have…

Computer Vision and Pattern Recognition · Computer Science 2023-06-29 Yuanxi Sun , Rui He , Youzeng Li , Zuwei Huang , Feng Hu , Xu Cheng , Jie Tang

Generic event boundary detection is an important yet challenging task in video understanding, which aims at detecting the moments where humans naturally perceive event boundaries. The main challenge of this task is perceiving various…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Jiaqi Tang , Zhaoyang Liu , Chen Qian , Wayne Wu , Limin Wang

This technical report presents our first place winning solution for temporal action detection task in CVPR-2022 AcitivityNet Challenge. The task aims to localize temporal boundaries of action instances with specific classes in long…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Xiang Wang , Huaxin Zhang , Shiwei Zhang , Changxin Gao , Yuanjie Shao , Nong Sang

Cascade is a widely used approach that rejects obvious negative samples at early stages for learning better classifier and faster inference. This paper presents chained cascade network (CC-Net). In this CC-Net, the cascaded classifier at a…

Computer Vision and Pattern Recognition · Computer Science 2017-02-24 Wanli Ouyang , Ku Wang , Xin Zhu , Xiaogang Wang

Generic event boundary detection (GEBD) aims at pinpointing event boundaries naturally perceived by humans, playing a crucial role in understanding long-form videos. Given the diverse nature of generic boundaries, spanning different video…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Ziwei Zheng , Lijun He , Le Yang , Fan Li

Generic event boundary detection (GEBD) aims to split video into chunks at a broad and diverse set of actions as humans naturally perceive event boundaries. In this study, we present an approach that considers the correlation between…

Computer Vision and Pattern Recognition · Computer Science 2023-01-12 Van Thong Huynh , Hyung-Jeong Yang , Guee-Sang Lee , Soo-Hyung Kim

In recent years, the convolutional neural networks (CNNs) have received a lot of interest in the side-channel community. The previous work has shown that CNNs have the potential of breaking the cryptographic algorithm protected with masking…

Cryptography and Security · Computer Science 2020-09-21 Minhui Jin , Mengce Zheng , Honggang Hu , Nenghai Yu

Multi-scale features are essential for dense prediction tasks, such as object detection, instance segmentation, and semantic segmentation. The prevailing methods usually utilize a classification backbone to extract multi-scale features and…

Computer Vision and Pattern Recognition · Computer Science 2023-11-01 Gang Zhang , Ziyi Li , Chufeng Tang , Jianmin Li , Xiaolin Hu

In this paper, we propose a method for home activity monitoring. We demonstrate our model on dataset of Detection and Classification of Acoustic Scenes and Events (DCASE) 2018 Challenge Task 5. This task aims to classify multi-channel…

Sound · Computer Science 2018-11-15 Yu-Han Shen , Ke-Xin He , Wei-Qiang Zhang

Semantic segmentation of large-scale outdoor point clouds is of significant importance in environment perception and scene understanding. However, this task continues to present a significant research challenge, due to the inherent…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Haoran Gong , Haodong Wang , Di Wang

An automatic table recognition method for interpretation of tabular data in document images majorly involves solving two problems of table detection and table structure recognition. The prior work involved solving both problems…

Computer Vision and Pattern Recognition · Computer Science 2020-05-29 Devashish Prasad , Ayan Gadpal , Kshitij Kapadni , Manish Visave , Kavita Sultanpure

Cascade prediction aims at modeling information diffusion in the network. Most previous methods concentrate on mining either structural or sequential features from the network and the propagation path. Recent efforts devoted to combining…

Machine Learning · Computer Science 2021-12-08 Yansong Wang , Xiaomeng Wang , Tao Jia

Automatic event detection from time series signals has wide applications, such as abnormal event detection in video surveillance and event detection in geophysical data. Traditional detection methods detect events primarily by the use of…

Machine Learning · Computer Science 2018-09-26 Yue Wu , Youzuo Lin , Zheng Zhou , David Chas Bolton , Ji Liu , Paul Johnson
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