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相关论文: Proposal-Free Temporal Action Detection via Global…

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The performance of image segmentation models has historically been constrained by the high cost of collecting large-scale annotated data. The Segment Anything Model (SAM) alleviates this original problem through a promptable,…

计算机视觉与模式识别 · 计算机科学 2026-02-04 Miguel Espinosa , Chenhongyi Yang , Linus Ericsson , Steven McDonagh , Elliot J. Crowley

Training deep models for LiDAR semantic segmentation is challenging due to the inherent sparsity of point clouds. Utilizing temporal data is a natural remedy against the sparsity problem as it makes the input signal denser. However,…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Xiaopei Wu , Yuenan Hou , Xiaoshui Huang , Binbin Lin , Tong He , Xinge Zhu , Yuexin Ma , Boxi Wu , Haifeng Liu , Deng Cai , Wanli Ouyang

This paper addresses the task of segmenting class-agnostic objects in semi-supervised setting. Although previous detection based methods achieve relatively good performance, these approaches extract the best proposal by a greedy strategy,…

计算机视觉与模式识别 · 计算机科学 2020-12-11 Daizong Liu , Shuangjie Xu , Xiao-Yang Liu , Zichuan Xu , Wei Wei , Pan Zhou

Graph convolutional networks (GCNs) have been very successful in modeling non-Euclidean data structures, like sequences of body skeletons forming actions modeled as spatio-temporal graphs. Most GCN-based action recognition methods use deep…

计算机视觉与模式识别 · 计算机科学 2021-04-26 Negar Heidari , Alexandros Iosifidis

Online temporal action segmentation shows a strong potential to facilitate many HRI tasks where extended human action sequences must be tracked and understood in real time. Traditional action segmentation approaches, however, operate in an…

计算机视觉与模式识别 · 计算机科学 2024-04-11 Matthew Kent Myers , Nick Wright , A. Stephen McGough , Nicholas Martin

This technical report presents an overview of our solution used in the submission to ActivityNet Challenge 2020 Task 1 (\textbf{temporal action localization/detection}). Temporal action localization requires to not only precisely locate the…

计算机视觉与模式识别 · 计算机科学 2020-08-27 Haisheng Su , Jinyuan Feng , Hao Shao , Zhenyu Jiang , Manyuan Zhang , Wei Wu , Yu Liu , Hongsheng Li , Junjie Yan

Online Temporal Action Localization (On-TAL) aims to detect the occurrence time and category of actions in untrimmed streaming videos immediately upon their completion. Recent advancements in this field focus on developing more…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Chaolei Han , Hongsong Wang , Xin Gong , Jie Gui

Temporal action segmentation is a task to classify each frame in the video with an action label. However, it is quite expensive to annotate every frame in a large corpus of videos to construct a comprehensive supervised training dataset.…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Zhe Wang , Hao Chen , Xinyu Li , Chunhui Liu , Yuanjun Xiong , Joseph Tighe , Charless Fowlkes

The streaming temporal action segmentation (STAS) task, a supplementary task of temporal action segmentation (TAS), has not received adequate attention in the field of video understanding. Existing TAS methods are constrained to offline…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Jinrong Zhang , Wujun Wen , Shenglan Liu , Yunheng Li , Qifeng Li , Lin Feng

Temporal video segmentation and classification have been advanced greatly by public benchmarks in recent years. However, such research still mainly focuses on human actions, failing to describe videos in a holistic view. In addition,…

计算机视觉与模式识别 · 计算机科学 2022-12-12 Jie Jiang , Zhimin Li , Jiangfeng Xiong , Rongwei Quan , Qinglin Lu , Wei Liu

Temporal action localization (TAL) aims to detect the boundary and identify the class of each action instance in a long untrimmed video. Current approaches treat video frames homogeneously, and tend to give background and key objects…

计算机视觉与模式识别 · 计算机科学 2022-11-11 Yifan Liu , Youbao Tang , Ning Zhang , Ruei-Sung Lin , Haoqian Wang

This paper tackles the problem of object counting in images. Existing approaches rely on extensive training data with point annotations for each object, making data collection labor-intensive and time-consuming. To overcome this, we propose…

计算机视觉与模式识别 · 计算机科学 2023-09-01 Zenglin Shi , Ying Sun , Mengmi Zhang

Temporal Action Detection (TAD) focuses on detecting pre-defined actions, while Moment Retrieval (MR) aims to identify the events described by open-ended natural language within untrimmed videos. Despite that they focus on different events,…

计算机视觉与模式识别 · 计算机科学 2024-07-12 Yingsen Zeng , Yujie Zhong , Chengjian Feng , Lin Ma

Temporal action proposal generation is an important task, aiming to localize the video segments containing human actions in an untrimmed video. In this paper, we propose a multi-granularity generator (MGG) to perform the temporal action…

计算机视觉与模式识别 · 计算机科学 2019-04-15 Yuan Liu , Lin Ma , Yifeng Zhang , Wei Liu , Shih-Fu Chang

Temporal action detection (TAD), which locates and recognizes action segments, remains a challenging task in video understanding due to variable segment lengths and ambiguous boundaries. Existing methods treat neighboring contexts of an…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Ning Wang , Yun Xiao , Xiaopeng Peng , Xiaojun Chang , Xuanhong Wang , Dingyi Fang

In this paper, we propose an unsupervised video object co-segmentation framework based on the primary object proposals to extract the common foreground object(s) from a given video set. In addition to the objectness attributes and motion…

计算机视觉与模式识别 · 计算机科学 2018-02-12 Michael Ying Yang , Matthias Reso , Jun Tang , Wentong Liao , Bodo Rosenhahn

Modern approaches have proved the huge potential of addressing semantic segmentation as a mask classification task which is widely used in instance-level segmentation. This paradigm trains models by assigning part of object queries to…

计算机视觉与模式识别 · 计算机科学 2023-09-18 Zhaochong An , Guolei Sun , Zongwei Wu , Hao Tang , Luc Van Gool

Diffusion large language models (dLLMs) offer a promising paradigm for parallel text generation, but in practice they face an accuracy-parallelism trade-off, where increasing tokens per forward (TPF) often degrades generation quality.…

计算与语言 · 计算机科学 2026-05-12 Haoyang Zhou , Li Kong , Shijie Ren , Xiting Wang , Shuang Liang , Guowei Wang , Zhenxuan Pan

Reasoning Video Object Segmentation (ReasonVOS) is a challenging task that requires stable object segmentation across video sequences using implicit and complex textual inputs. Previous methods fine-tune Multimodal Large Language Models…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Zhengtong Zhu , Jiaqing Fan , Zhixuan Liu , Fanzhang Li

Video Analytics Software as a Service (VA SaaS) has been rapidly growing in recent years. VA SaaS is typically accessed by users using a lightweight client. Because the transmission bandwidth between the client and cloud is usually limited…

计算机视觉与模式识别 · 计算机科学 2018-08-16 Zhaoyang Zhang , Zhanghui Kuang , Ping Luo , Litong Feng , Wei Zhang