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Related papers: R-Clustering for Egocentric Video Segmentation

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With rich temporal-spatial information, video-based person re-identification methods have shown broad prospects. Although tracklets can be easily obtained with ready-made tracking models, annotating identities is still expensive and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Nanxing Meng , Qizao Wang , Bin Li , Xiangyang Xue

Due to the high cost of data annotation in supervised learning for person re-identification (Re-ID) methods, unsupervised learning becomes more attractive in the real world. The Bottom-up Clustering (BUC) approach based on hierarchical…

Computer Vision and Pattern Recognition · Computer Science 2020-04-23 Kaiwei Zeng

Generalized category discovery (GCD) is a recently proposed open-world task. Given a set of images consisting of labeled and unlabeled instances, the goal of GCD is to automatically cluster the unlabeled samples using information…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Xiangli Yang , Xinglin Pan , Irwin King , Zenglin Xu

The possibility of sharing one's point of view makes use of wearable cameras compelling. These videos are often long, boring and coupled with extreme shake, as the camera is worn on a moving person. Fast forwarding (i.e. frame sampling) is…

Computer Vision and Pattern Recognition · Computer Science 2017-01-13 Tavi Halperin , Yair Poleg , Chetan Arora , Shmuel Peleg

Segmentation from point cloud data is essential in many applications such as remote sensing, mobile robots, or autonomous cars. However, the point clouds captured by the 3D range sensor are commonly sparse and unstructured, challenging…

Computer Vision and Pattern Recognition · Computer Science 2022-11-14 Yu Cao , Yancheng Wang , Yifei Xue , Huiqing Zhang , Yizhen Lao

We leverage unsupervised learning of depth, egomotion, and camera intrinsics to improve the performance of single-image semantic segmentation, by enforcing 3D-geometric and temporal consistency of segmentation masks across video frames. The…

Computer Vision and Pattern Recognition · Computer Science 2020-05-22 Ankita Pasad , Ariel Gordon , Tsung-Yi Lin , Anelia Angelova

In this paper, we propose a \textbf{Tr}ansformer-based RGB-D \textbf{e}gocentric \textbf{a}ction \textbf{r}ecognition framework, called Trear. It consists of two modules, inter-frame attention encoder and mutual-attentional fusion block.…

Computer Vision and Pattern Recognition · Computer Science 2021-01-12 Xiangyu Li , Yonghong Hou , Pichao Wang , Zhimin Gao , Mingliang Xu , Wanqing Li

Real-time video analytics systems typically place models with fewer weights on edge devices to reduce latency. The distribution of video content features may change over time for various reasons (i.e. light and weather change) , leading to…

Computer Vision and Pattern Recognition · Computer Science 2024-06-06 Peng Zhao , Runchu Dong , Guiqin Wang , Cong Zhao

We present ClusterVO, a stereo Visual Odometry which simultaneously clusters and estimates the motion of both ego and surrounding rigid clusters/objects. Unlike previous solutions relying on batch input or imposing priors on scene structure…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Jiahui Huang , Sheng Yang , Tai-Jiang Mu , Shi-Min Hu

We introduce EgoPoints, a benchmark for point tracking in egocentric videos. We annotate 4.7K challenging tracks in egocentric sequences. Compared to the popular TAP-Vid-DAVIS evaluation benchmark, we include 9x more points that go…

Computer Vision and Pattern Recognition · Computer Science 2024-12-09 Ahmad Darkhalil , Rhodri Guerrier , Adam W. Harley , Dima Damen

Egocentric video is increasingly used as a data source for robot learning, activity understanding, and embodied AI research, but collecting it at scale remains fragmented in practice: each candidate host device, such as an Android phone,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Liuchuan Yu , Erdem Murat , Beichen Wang , Yan Zeng , Tingting Luo , Huizhen Zhou , Shanghao Li , Huining Feng , Zhigen Zhao , Ning Yang , Ke Jing , Yunhao Liu , Ruoya Sheng

Video generation using diffusion models is highly computationally intensive, with 3D attention in Diffusion Transformer (DiT) models accounting for over 80\% of the total computational resources. In this work, we introduce {\bf RainFusion},…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Aiyue Chen , Bin Dong , Jingru Li , Jing Lin , Kun Tian , Yiwu Yao , Gongyi Wang

We present an approach for identifying picturesque highlights from large amounts of egocentric video data. Given a set of egocentric videos captured over the course of a vacation, our method analyzes the videos and looks for images that…

Computer Vision and Pattern Recognition · Computer Science 2016-01-19 Vinay Bettadapura , Daniel Castro , Irfan Essa

Face clustering is an essential tool for exploiting the unlabeled face data, and has a wide range of applications including face annotation and retrieval. Recent works show that supervised clustering can result in noticeable performance…

Computer Vision and Pattern Recognition · Computer Science 2020-04-06 Lei Yang , Dapeng Chen , Xiaohang Zhan , Rui Zhao , Chen Change Loy , Dahua Lin

Unsupervised image classification, or image clustering, aims to group unlabeled images into semantically meaningful categories. Early methods integrated representation learning and clustering within an iterative framework. However, the rise…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Melih Baydar , Emre Akbas

Video co-segmentation refers to the task of jointly segmenting common objects appearing in a given group of videos. In practice, high-dimensional data such as videos can be conceptually thought as being drawn from a union of subspaces…

Computer Vision and Pattern Recognition · Computer Science 2021-04-29 Junlin Yao , Frank Nielsen

Tracking of motion objects in the surveillance videos is useful for the monitoring and analysis. The performance of the surveillance system will deteriorate when shadows are detected as moving objects. Therefore, shadow detection and…

Computer Vision and Pattern Recognition · Computer Science 2016-08-30 Chandrajit M , Girisha R , Vasudev T , Ashok C B

Anticipating human actions is an important task that needs to be addressed for the development of reliable intelligent agents, such as self-driving cars or robot assistants. While the ability to make future predictions with high accuracy is…

Computer Vision and Pattern Recognition · Computer Science 2021-07-21 Olga Zatsarynna , Yazan Abu Farha , Juergen Gall

The widespread deployment of smartphones and location-enabled, networked in-vehicle devices renders it increasingly feasible to collect streaming trajectory data of moving objects. The continuous clustering of such data can enable a variety…

Databases · Computer Science 2021-09-27 Tianyi Li , Lu Chen , Christian S. Jensen , Torben Bach Pedersen , Jilin Hu

Identifying new user intents is an essential task in the dialogue system. However, it is hard to get satisfying clustering results since the definition of intents is strongly guided by prior knowledge. Existing methods incorporate prior…

Computation and Language · Computer Science 2019-11-21 Ting-En Lin , Hua Xu , Hanlei Zhang