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This paper presents a new self-supervised system for learning to detect novel and previously unseen categories of objects in images. The proposed system receives as input several unlabeled videos of scenes containing various objects. The…

计算机视觉与模式识别 · 计算机科学 2021-08-25 Juntao Tan , Changkyu Song , Abdeslam Boularias

A fundamental task in detecting foreground objects in both static and dynamic scenes is to take the best choice of color system representation and the efficient technique for background modeling. We propose in this paper a non-parametric…

计算机视觉与模式识别 · 计算机科学 2009-12-14 Ali Douik , Mourad Moussa Jlassi

The great success that deep models have achieved in the past is mainly owed to large amounts of labeled training data. However, the acquisition of labeled data for new tasks aside from existing benchmarks is both challenging and costly.…

计算机视觉与模式识别 · 计算机科学 2018-09-27 Clemens-Alexander Brust , Christoph Käding , Joachim Denzler

We present a multiview pseudo-labeling approach to video learning, a novel framework that uses complementary views in the form of appearance and motion information for semi-supervised learning in video. The complementary views help obtain…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Bo Xiong , Haoqi Fan , Kristen Grauman , Christoph Feichtenhofer

Recent research has shown the potential of deep learning in multi-parametric MRI-based visual pathway (VP) segmentation. However, obtaining labeled data for training is laborious and time-consuming. Therefore, it is crucial to develop…

图像与视频处理 · 电气工程与系统科学 2024-01-04 Alou Diakite , Cheng Li , Lei Xie , Yuanjing Feng , Hua Han , Shanshan Wang

In this work, we focus on semi-supervised learning for video action detection which utilizes both labeled as well as unlabeled data. We propose a simple end-to-end consistency based approach which effectively utilizes the unlabeled data.…

计算机视觉与模式识别 · 计算机科学 2022-07-04 Akash Kumar , Yogesh Singh Rawat

We present a new method to learn video representations from unlabeled data. Given large-scale unlabeled video data, the objective is to benefit from such data by learning a generic and transferable representation space that can be directly…

计算机视觉与模式识别 · 计算机科学 2019-06-10 AJ Piergiovanni , Anelia Angelova , Michael S. Ryoo

This study presents a novel Deep Learning-based and lightweight approach for the automated detection of sports highlights (HLs) from audio and video sources. HL detection is a key task in sports video analysis, traditionally requiring…

计算机视觉与模式识别 · 计算机科学 2025-02-03 Francesco Della Santa , Morgana Lalli

This paper proposes a novel pretext task to address the self-supervised video representation learning problem. Specifically, given an unlabeled video clip, we compute a series of spatio-temporal statistical summaries, such as the spatial…

计算机视觉与模式识别 · 计算机科学 2021-02-01 Jiangliu Wang , Jianbo Jiao , Linchao Bao , Shengfeng He , Wei Liu , Yun-hui Liu

Deep learning-based video salient object detection has recently achieved great success with its performance significantly outperforming any other unsupervised methods. However, existing data-driven approaches heavily rely on a large…

计算机视觉与模式识别 · 计算机科学 2019-12-02 Pengxiang Yan , Guanbin Li , Yuan Xie , Zhen Li , Chuan Wang , Tianshui Chen , Liang Lin

This paper proposes a novel paradigm for the unsupervised learning of object landmark detectors. Contrary to existing methods that build on auxiliary tasks such as image generation or equivariance, we propose a self-training approach where,…

计算机视觉与模式识别 · 计算机科学 2023-02-28 Dimitrios Mallis , Enrique Sanchez , Matt Bell , Georgios Tzimiropoulos

Supervised learning in large discriminative models is a mainstay for modern computer vision. Such an approach necessitates investing in large-scale human-annotated datasets for achieving state-of-the-art results. In turn, the efficacy of…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Liang-Chieh Chen , Raphael Gontijo Lopes , Bowen Cheng , Maxwell D. Collins , Ekin D. Cubuk , Barret Zoph , Hartwig Adam , Jonathon Shlens

Self-supervised learning (SSL) methods targeting scene images have seen a rapid growth recently, and they mostly rely on either a dedicated dense matching mechanism or a costly unsupervised object discovery module. This paper shows that…

计算机视觉与模式识别 · 计算机科学 2023-10-02 Ke Zhu , Minghao Fu , Jianxin Wu

We present a method for unsupervised learning of equations of motion for objects in raw and optionally distorted unlabeled video. We first train an autoencoder that maps each video frame into a low-dimensional latent space where the laws of…

计算机视觉与模式识别 · 计算机科学 2021-04-28 Silviu-Marian Udrescu , Max Tegmark

We describe a protocol to study text-to-video retrieval training with unlabeled videos, where we assume (i) no access to labels for any videos, i.e., no access to the set of ground-truth captions, but (ii) access to labeled images in the…

计算机视觉与模式识别 · 计算机科学 2024-04-29 Lucas Ventura , Cordelia Schmid , Gül Varol

Large-scale labeled data are generally required to train deep neural networks in order to obtain better performance in visual feature learning from images or videos for computer vision applications. To avoid extensive cost of collecting and…

计算机视觉与模式识别 · 计算机科学 2019-02-19 Longlong Jing , Yingli Tian

Learning to localize objects with minimal supervision is an important problem in computer vision, since large fully annotated datasets are extremely costly to obtain. In this paper, we propose a new method that achieves this goal with only…

计算机视觉与模式识别 · 计算机科学 2014-05-19 Hyun Oh Song , Ross Girshick , Stefanie Jegelka , Julien Mairal , Zaid Harchaoui , Trevor Darrell

Unsupervised learning from visual data is one of the most difficult challenges in computer vision, being a fundamental task for understanding how visual recognition works. From a practical point of view, learning from unsupervised visual…

计算机视觉与模式识别 · 计算机科学 2017-04-03 Ioana Croitoru , Simion-Vlad Bogolin , Marius Leordeanu

In the rapidly evolving field of sports analytics, the automation of targeted video processing is a pivotal advancement. We propose PlayerTV, an innovative framework which harnesses state-of-the-art AI technologies for automatic player…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Håkon Maric Solberg , Mehdi Houshmand Sarkhoosh , Sushant Gautam , Saeed Shafiee Sabet , Pål Halvorsen , Cise Midoglu

Semi-supervised 3D object detection is a common strategy employed to circumvent the challenge of manually labeling large-scale autonomous driving perception datasets. Pseudo-labeling approaches to semi-supervised learning adopt a…

计算机视觉与模式识别 · 计算机科学 2024-09-18 Philip Jacobson , Yichen Xie , Mingyu Ding , Chenfeng Xu , Masayoshi Tomizuka , Wei Zhan , Ming C. Wu