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Recently, foundation models trained on massive datasets to adapt to a wide range of tasks have attracted considerable attention and are actively being explored within the computer vision community. Among these, the Segment Anything Model…

计算机视觉与模式识别 · 计算机科学 2024-10-14 Hyung-Il Kim , Kimin Yun , Jun-Seok Yun , Yuseok Bae

Semi-supervised video object segmentation is a fundamental yet Challenging task in computer vision. Embedding matching based CFBI series networks have achieved promising results by foreground-background integration approach. Despite its…

计算机视觉与模式识别 · 计算机科学 2022-05-24 Zhixing Huang , Junli Zha , Fei Xie , Yuwei Zheng , Yuandong Zhong , Jinpeng Tang

Egocentric temporal action segmentation in videos is a crucial task in computer vision with applications in various fields such as mixed reality, human behavior analysis, and robotics. Although recent research has utilized advanced…

计算机视觉与模式识别 · 计算机科学 2023-05-25 Sakib Reza , Balaji Sundareshan , Mohsen Moghaddam , Octavia Camps

In this paper we propose a novel approach to multi-action recognition that performs joint segmentation and classification. This approach models each action using a Gaussian mixture using robust low-dimensional action features. Segmentation…

计算机视觉与模式识别 · 计算机科学 2015-02-09 Johanna Carvajal , Conrad Sanderson , Chris McCool , Brian C. Lovell

In this paper, we introduce Coarse-Fine Networks, a two-stream architecture which benefits from different abstractions of temporal resolution to learn better video representations for long-term motion. Traditional Video models process…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Kumara Kahatapitiya , Michael S. Ryoo

Point-level supervised temporal action localization (PTAL) aims at recognizing and localizing actions in untrimmed videos where only a single point (frame) within every action instance is annotated in training data. Without temporal…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Yuan Yin , Yifei Huang , Ryosuke Furuta , Yoichi Sato

While LiDAR data acquisition is easy, labeling for semantic segmentation remains highly time consuming and must therefore be done selectively. Active learning (AL) provides a solution that can iteratively and intelligently label a dataset…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Ozan Unal , Dengxin Dai , Ali Tamer Unal , Luc Van Gool

In this paper, we propose a novel fully unsupervised framework that learns action representations suitable for the action segmentation task from the single input video itself, without requiring any training data. Our method is a deep metric…

计算机视觉与模式识别 · 计算机科学 2023-07-20 E. Bueno-Benito , B. Tura , M. Dimiccoli

We propose an effective framework for the temporal action segmentation task, namely an Action Segment Refinement Framework (ASRF). Our model architecture consists of a long-term feature extractor and two branches: the Action Segmentation…

计算机视觉与模式识别 · 计算机科学 2020-07-15 Yuchi Ishikawa , Seito Kasai , Yoshimitsu Aoki , Hirokatsu Kataoka

We propose a segmentation framework that uses deep neural networks and introduce two innovations. First, we describe a biophysics-based domain adaptation method. Second, we propose an automatic method to segment white and gray matter, and…

计算机视觉与模式识别 · 计算机科学 2018-10-16 Amir Gholami , Shashank Subramanian , Varun Shenoy , Naveen Himthani , Xiangyu Yue , Sicheng Zhao , Peter Jin , George Biros , Kurt Keutzer

Actor-action semantic segmentation made an important step toward advanced video understanding problems: what action is happening; who is performing the action; and where is the action in space-time. Current models for this problem are…

计算机视觉与模式识别 · 计算机科学 2015-12-31 Chenliang Xu , Jason J. Corso

For semantic segmentation, most existing real-time deep models trained with each frame independently may produce inconsistent results for a video sequence. Advanced methods take into considerations the correlations in the video sequence,…

计算机视觉与模式识别 · 计算机科学 2020-07-20 Yifan Liu , Chunhua Shen , Changqian Yu , Jingdong Wang

In the literature, coarse-to-fine or scale-recurrent approach i.e. progressively restoring a clean image from its low-resolution versions has been successfully employed for single image deblurring. However, a major disadvantage of existing…

计算机视觉与模式识别 · 计算机科学 2021-12-14 Praveen Kandula , Rajagopalan. A. N

Temporal action segmentation in untrimmed procedural videos aims to densely label frames into action classes. These videos inherently exhibit long-tailed distributions, where actions vary widely in frequency and duration. In temporal action…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Zhanzhong Pang , Fadime Sener , Shrinivas Ramasubramanian , Angela Yao

The goal of this paper is to discover, segment, and track independently moving objects in complex visual scenes. Previous approaches have explored the use of optical flow for motion segmentation, leading to imperfect predictions due to…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Junyu Xie , Weidi Xie , Andrew Zisserman

Spatio-temporal action detection in videos is typically addressed in a fully-supervised setup with manual annotation of training videos required at every frame. Since such annotation is extremely tedious and prohibits scalability, there is…

计算机视觉与模式识别 · 计算机科学 2018-11-29 Guilhem Chéron , Jean-Baptiste Alayrac , Ivan Laptev , Cordelia Schmid

Video semantic segmentation has achieved great progress under the supervision of large amounts of labelled training data. However, domain adaptive video segmentation, which can mitigate data labelling constraints by adapting from a labelled…

计算机视觉与模式识别 · 计算机科学 2022-07-07 Yun Xing , Dayan Guan , Jiaxing Huang , Shijian Lu

Most existing real-time deep models trained with each frame independently may produce inconsistent results across the temporal axis when tested on a video sequence. A few methods take the correlations in the video sequence into…

计算机视觉与模式识别 · 计算机科学 2022-02-28 Yifan Liu , Chunhua Shen , Changqian Yu , Jingdong Wang

Segmentation stands at the forefront of many high-level vision tasks. In this study, we focus on segmenting finger bones within a newly introduced semi-supervised self-taught deep learning framework which consists of a student network and a…

计算机视觉与模式识别 · 计算机科学 2022-03-24 Ziyuan Zhao , Xiaoman Zhang , Cen Chen , Wei Li , Songyou Peng , Jie Wang , Xulei Yang , Le Zhang , Zeng Zeng

Video action recognition has made significant strides, but challenges remain in effectively using both spatial and temporal information. While existing methods often focus on either spatial features (e.g., object appearance) or temporal…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Huilin Chen , Lei Wang , Yifan Chen , Tom Gedeon , Piotr Koniusz