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Natural and expressive human motion generation is the holy grail of computer animation. It is a challenging task, due to the diversity of possible motion, human perceptual sensitivity to it, and the difficulty of accurately describing it.…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Guy Tevet , Sigal Raab , Brian Gordon , Yonatan Shafir , Daniel Cohen-Or , Amit H. Bermano

In this work, we provide a theoretical understanding of the framelet-based graph neural networks through the perspective of energy gradient flow. By viewing the framelet-based models as discretized gradient flows of some energy, we show it…

Machine Learning · Computer Science 2022-10-11 Andi Han , Dai Shi , Zhiqi Shao , Junbin Gao

Semantic segmentation in a supervised learning manner has achieved significant progress in recent years. However, its performance usually drops dramatically due to the data-distribution discrepancy between seen and unseen domains when we…

Computer Vision and Pattern Recognition · Computer Science 2021-09-01 Jian Zhang , Lei Qi , Yinghuan Shi , Yang Gao

We propose a light-weight variational framework for online tracking of object segmentations in videos based on optical flow and image boundaries. While high-end computer vision methods on this task rely on sequence specific training of…

Computer Vision and Pattern Recognition · Computer Science 2020-08-17 Amirhossein Kardoost , Sabine Müller , Joachim Weickert , Margret Keuper

We propose an unsupervised image segmentation method using features from pre-trained text-to-image diffusion models. Inspired by classic spectral clustering approaches, we construct adjacency matrices from self-attention layers between…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Daniela Ivanova , Marco Aversa , Paul Henderson , John Williamson

We study image segmentation using spatiotemporal dynamics in a recurrent neural network where the state of each unit is given by a complex number. We show that this network generates sophisticated spatiotemporal dynamics that can…

Computer Vision and Pattern Recognition · Computer Science 2023-11-29 Luisa H. B. Liboni , Roberto C. Budzinski , Alexandra N. Busch , Sindy Löwe , Thomas A. Keller , Max Welling , Lyle E. Muller

General purpose semantic segmentation relies on a backbone CNN network to extract discriminative features that help classify each image pixel into a 'seen' object class (ie., the object classes available during training) or a background…

Computer Vision and Pattern Recognition · Computer Science 2021-10-06 Ce Wang , Moshiur Farazi , Nick Barnes

Rapid and reliable identification of dynamic scene parts, also known as motion segmentation, is a key challenge for mobile sensors. Contemporary RGB camera-based methods rely on modeling camera and scene properties however, are often…

Computer Vision and Pattern Recognition · Computer Science 2024-03-08 Stamatios Georgoulis , Weining Ren , Alfredo Bochicchio , Daniel Eckert , Yuanyou Li , Abel Gawel

Gait recognition, which can realize long-distance and contactless identification, is an important biometric technology. Recent gait recognition methods focus on learning the pattern of human movement or appearance during walking, and…

Computer Vision and Pattern Recognition · Computer Science 2022-06-23 Yunpeng Zhang , Zhengyou Wang , Shanna Zhuang , Hui Wang

People easily recognize new visual categories that are new combinations of known components. This compositional generalization capacity is critical for learning in real-world domains like vision and language because the long tail of new…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Yuval Atzmon , Felix Kreuk , Uri Shalit , Gal Chechik

Instance segmentation is the problem of detecting and delineating each distinct object of interest appearing in an image. Current instance segmentation approaches consist of ensembles of modules that are trained independently of each other,…

Computer Vision and Pattern Recognition · Computer Science 2016-10-26 Bernardino Romera-Paredes , Philip H. S. Torr

Some cognitive research has discovered that humans accomplish event segmentation as a side effect of event anticipation. Inspired by this discovery, we propose a simple yet effective end-to-end self-supervised learning framework for event…

Computer Vision and Pattern Recognition · Computer Science 2021-10-01 Xiao Wang , Jingen Liu , Tao Mei , Jiebo Luo

Recent motion-language models unify tasks like comprehension and generation but operate at a coarse granularity, lacking fine-grained understanding and nuanced control over body parts needed for animation or interaction. This stems from…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Bizhu Wu , Jinheng Xie , Wenting Chen , Zhe Kong , Jianfeng Ren , Linlin Shen , Ruibin Bai , Rong Qu

Human-centred systems require an understanding of human actions in the physical world. Temporally extended sequences of actions are intentional and structured, yet existing methods for recognising what actions are performed often do not…

Artificial Intelligence · Computer Science 2026-04-21 Rimvydas Rubavicius , Manisha Dubey , N. Siddharth , Subramanian Ramamoorthy

Understanding how humans use and consume space by comparing stratified groups, either through observation or controlled study, is key to designing better spaces, cities, and policies. GPS data traces provide detailed movement patterns of…

Physics and Society · Physics 2020-02-20 Rui Zhang , Kevin G. Stanley , Daniel Fuller , Scott Bell

Object categorization is a hot issue of an image mining. Contextual information between objects is one of the important semantic knowledge of an image. However, the previous researches for an object categorization have not made full use of…

Computer Vision and Pattern Recognition · Computer Science 2016-04-26 Changyong Ri , Duho Pak , Cholryong Choe , Suhyang Kim , Yonghak Sin

Automatic segmentation of objects from a single image is a challenging problem which generally requires training on large number of images. We consider the problem of automatically segmenting only the dynamic objects from a given pair of…

Computer Vision and Pattern Recognition · Computer Science 2016-04-19 Sri Raghu Malireddi , Shanmuganathan Raman

Semantic segmentation of remote sensing imagery plays a pivotal role in extracting precise information for diverse down-stream applications. Recent development of the Segment Anything Model (SAM), an advanced general-purpose segmentation…

Computer Vision and Pattern Recognition · Computer Science 2023-12-21 Xianping Ma , Qianqian Wu , Xingyu Zhao , Xiaokang Zhang , Man-On Pun , Bo Huang

We propose a novel architecture, the event-based GASSOM for learning and extracting invariant representations from event streams originating from neuromorphic vision sensors. The framework is inspired by feed-forward cortical models for…

Computer Vision and Pattern Recognition · Computer Science 2016-06-22 Thusitha N. Chandrapala , Bertram E. Shi

Learning by imitation is one of the most significant abilities of human beings and plays a vital role in human's computational neural system. In medical image analysis, given several exemplars (anchors), experienced radiologist has the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Hong-Yu Zhou , Hualuo Liu , Shilei Cao , Dong Wei , Chixiang Lu , Yizhou Yu , Kai Ma , Yefeng Zheng