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Establishing dense correspondences across image pairs is essential for tasks such as shape reconstruction and robot manipulation. In the challenging setting of matching across different categories, the function of an object, i.e., the…

计算机视觉与模式识别 · 计算机科学 2025-09-05 Stefan Stojanov , Linan Zhao , Yunzhi Zhang , Daniel L. K. Yamins , Jiajun Wu

We study the problem of segmenting moving objects in unconstrained videos. Given a video, the task is to segment all the objects that exhibit independent motion in at least one frame. We formulate this as a learning problem and design our…

计算机视觉与模式识别 · 计算机科学 2017-12-05 Pavel Tokmakov , Cordelia Schmid , Karteek Alahari

We propose a new self-supervised approach to image feature learning from motion cue. This new approach leverages recent advances in deep learning in two directions: 1) the success of training deep neural network in estimating optical flow…

计算机视觉与模式识别 · 计算机科学 2019-01-10 Bin Ma , Shubao Liu , Yingxuan Zhi , Qi Song

This paper studies the problem of semi-supervised video object segmentation(VOS). Multiple works have shown that memory-based approaches can be effective for video object segmentation. They are mostly based on pixel-level matching, both…

计算机视觉与模式识别 · 计算机科学 2021-04-12 Li Hu , Peng Zhang , Bang Zhang , Pan Pan , Yinghui Xu , Rong Jin

We study self-supervised video representation learning, which is a challenging task due to 1) lack of labels for explicit supervision; 2) unstructured and noisy visual information. Existing methods mainly use contrastive loss with video…

计算机视觉与模式识别 · 计算机科学 2021-08-18 Deng Huang , Wenhao Wu , Weiwen Hu , Xu Liu , Dongliang He , Zhihua Wu , Xiangmiao Wu , Mingkui Tan , Errui Ding

We study unsupervised video representation learning that seeks to learn both motion and appearance features from unlabeled video only, which can be reused for downstream tasks such as action recognition. This task, however, is extremely…

计算机视觉与模式识别 · 计算机科学 2021-03-16 Peihao Chen , Deng Huang , Dongliang He , Xiang Long , Runhao Zeng , Shilei Wen , Mingkui Tan , Chuang Gan

In the mobile communication field, some of the video applications boosted the interest of robust methods for video quality assessment. Out of all existing methods, We Preferred, No Reference Video Quality Assessment is the one which is most…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Amitesh Kumar Singam , Benny Lövström , Wlodek J. Kulesza

Existing video self-supervised learning methods mainly rely on trimmed videos for model training. However, trimmed datasets are manually annotated from untrimmed videos. In this sense, these methods are not really self-supervised. In this…

计算机视觉与模式识别 · 计算机科学 2020-08-07 Dezhao Luo , Bo Fang , Yu Zhou , Yucan Zhou , Dayan Wu , Weiping Wang

The task of semi-supervised video object segmentation (VOS) has been greatly advanced and state-of-the-art performance has been made by dense matching-based methods. The recent methods leverage space-time memory (STM) networks and learn to…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Jiadai Sun , Yuxin Mao , Yuchao Dai , Yiran Zhong , Jianyuan Wang

Unsupervised learning poses one of the most difficult challenges in computer vision today. The task has an immense practical value with many applications in artificial intelligence and emerging technologies, as large quantities of unlabeled…

计算机视觉与模式识别 · 计算机科学 2019-05-28 Ioana Croitoru , Simion-Vlad Bogolin , Marius Leordeanu

Many self-supervised learning (SSL) methods have been successful in learning semantically meaningful visual representations by solving pretext tasks. However, prior work in SSL focuses on tasks like object recognition or detection, which…

计算机视觉与模式识别 · 计算机科学 2021-08-13 Donghyun Kim , Kuniaki Saito , Samarth Mishra , Stan Sclaroff , Kate Saenko , Bryan A Plummer

Learning object detectors requires massive amounts of labeled training samples from the specific data source of interest. This is impractical when dealing with many different sources (e.g., in camera networks), or constantly changing ones…

计算机视觉与模式识别 · 计算机科学 2014-06-19 Adrien Gaidon , Gloria Zen , Jose A. Rodriguez-Serrano

Current video-based Masked Autoencoders (MAEs) primarily focus on learning effective spatiotemporal representations from a visual perspective, which may lead the model to prioritize general spatial-temporal patterns but often overlook…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Shihab Aaqil Ahamed , Malitha Gunawardhana , Liel David , Michael Sidorov , Daniel Harari , Muhammad Haris Khan

Unsupervised learning is a challenging task due to the lack of labels. Multiple Object Tracking (MOT), which inevitably suffers from mutual object interference, occlusion, etc., is even more difficult without label supervision. In this…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Sha Meng , Dian Shao , Jiacheng Guo , Shan Gao

Reliable markerless motion tracking of people participating in a complex group activity from multiple moving cameras is challenging due to frequent occlusions, strong viewpoint and appearance variations, and asynchronous video streams. To…

计算机视觉与模式识别 · 计算机科学 2020-04-21 Minh Vo , Ersin Yumer , Kalyan Sunkavalli , Sunil Hadap , Yaser Sheikh , Srinivasa Narasimhan

In this work, we study self-supervised multiple object tracking without using any video-level association labels. We propose to cast the problem of multiple object tracking as learning the frame-wise associations between detections in…

计算机视觉与模式识别 · 计算机科学 2023-05-18 Fatemeh Azimi , Fahim Mannan , Felix Heide

Personalized text-to-image generation methods can generate customized images based on the reference images, which have garnered wide research interest. Recent methods propose a finetuning-free approach with a decoupled cross-attention…

计算机视觉与模式识别 · 计算机科学 2024-12-19 Qihan Huang , Siming Fu , Jinlong Liu , Hao Jiang , Yipeng Yu , Jie Song

The accurate tracking of live cells using video microscopy recordings remains a challenging task for popular state-of-the-art image processing based object tracking methods. In recent years, several existing and new applications have…

图像与视频处理 · 电气工程与系统科学 2025-02-03 Gergely Szabó , Paolo Bonaiuti , Andrea Ciliberto , András Horváth

Extracting and predicting object structure and dynamics from videos without supervision is a major challenge in machine learning. To address this challenge, we adopt a keypoint-based image representation and learn a stochastic dynamics…

计算机视觉与模式识别 · 计算机科学 2020-03-03 Matthias Minderer , Chen Sun , Ruben Villegas , Forrester Cole , Kevin Murphy , Honglak Lee

Supervised (pre-)training currently yields state-of-the-art performance for representation learning for visual recognition, yet it comes at the cost of (1) intensive manual annotations and (2) an inherent restriction in the scope of data…

计算机视觉与模式识别 · 计算机科学 2016-12-05 Ruohan Gao , Dinesh Jayaraman , Kristen Grauman