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In this paper, we propose a novel architecture that iteratively discovers and segments out the objects of a scene based on the image reconstruction quality. Different from other approaches, our model uses an explicit localization module…

Computer Vision and Pattern Recognition · Computer Science 2019-11-22 Weitang Liu , Lifeng Wei , James Sharpnack , John D. Owens

Humans are able to localize objects in the environment using both visual and auditory cues, integrating information from multiple modalities into a common reference frame. We introduce a system that can leverage unlabeled audio-visual data…

Computer Vision and Pattern Recognition · Computer Science 2019-10-28 Chuang Gan , Hang Zhao , Peihao Chen , David Cox , Antonio Torralba

Recent advances in deep learning have achieved promising performance for medical image analysis, while in most cases ground-truth annotations from human experts are necessary to train the deep model. In practice, such annotations are…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Jianbo Jiao , Richard Droste , Lior Drukker , Aris T. Papageorghiou , J. Alison Noble

Recently, large-scale pre-trained vision-language models (e.g. CLIP and ALIGN) have demonstrated remarkable effectiveness in acquiring transferable visual representations. To leverage the valuable knowledge encoded within these models for…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Yi Zhang , Ce Zhang , Xueting Hu , Zhihai He

Despite significant results achieved by Contrastive Language-Image Pretraining (CLIP) in zero-shot image recognition, limited effort has been made exploring its potential for zero-shot video recognition. This paper presents Open-VCLIP++, a…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Zuxuan Wu , Zejia Weng , Wujian Peng , Xitong Yang , Ang Li , Larry S. Davis , Yu-Gang Jiang

We propose a method for unsupervised video object segmentation by transferring the knowledge encapsulated in image-based instance embedding networks. The instance embedding network produces an embedding vector for each pixel that enables…

Computer Vision and Pattern Recognition · Computer Science 2018-02-28 Siyang Li , Bryan Seybold , Alexey Vorobyov , Alireza Fathi , Qin Huang , C. -C. Jay Kuo

In order to learn object segmentation models in videos, conventional methods require a large amount of pixel-wise ground truth annotations. However, collecting such supervised data is time-consuming and labor-intensive. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2019-01-09 Yi-Wen Chen , Yi-Hsuan Tsai , Chu-Ya Yang , Yen-Yu Lin , Ming-Hsuan Yang

In order to autonomously learn wide repertoires of complex skills, robots must be able to learn from their own autonomously collected data, without human supervision. One learning signal that is always available for autonomously collected…

Robotics · Computer Science 2017-10-18 Frederik Ebert , Chelsea Finn , Alex X. Lee , Sergey Levine

Unsupervised object detection using deep neural networks is typically a difficult problem with few to no guarantees about the learned representation. In this work we present the first unsupervised object detection method that is…

Computer Vision and Pattern Recognition · Computer Science 2024-10-25 Marian Longa , João F. Henriques

We present Language-mediated, Object-centric Representation Learning (LORL), a paradigm for learning disentangled, object-centric scene representations from vision and language. LORL builds upon recent advances in unsupervised object…

Machine Learning · Computer Science 2021-06-09 Ruocheng Wang , Jiayuan Mao , Samuel J. Gershman , Jiajun Wu

Well structured visual representations can make robot learning faster and can improve generalization. In this paper, we study how we can acquire effective object-centric representations for robotic manipulation tasks without human labeling…

Robotics · Computer Science 2018-11-20 Eric Jang , Coline Devin , Vincent Vanhoucke , Sergey Levine

Large-scale vision-language models (VLM) have shown impressive results for language-guided search applications. While these models allow category-level queries, they currently struggle with personalized searches for moments in a video where…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Chun-Hsiao Yeh , Bryan Russell , Josef Sivic , Fabian Caba Heilbron , Simon Jenni

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…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Matthias Minderer , Chen Sun , Ruben Villegas , Forrester Cole , Kevin Murphy , Honglak Lee

We present a self-supervised learning framework to estimate the individual object motion and monocular depth from video. We model the object motion as a 6 degree-of-freedom rigid-body transformation. The instance segmentation mask is…

Computer Vision and Pattern Recognition · Computer Science 2020-05-14 Qi Dai , Vaishakh Patil , Simon Hecker , Dengxin Dai , Luc Van Gool , Konrad Schindler

We present a novel approach to weakly supervised object detection. Instead of annotated images, our method only requires two short videos to learn to detect a new object: 1) a video of a moving object and 2) one or more "negative" videos of…

Computer Vision and Pattern Recognition · Computer Science 2019-10-01 Rico Jonschkowski , Austin Stone

Audiovisual scenes are pervasive in our daily life. It is commonplace for humans to discriminatively localize different sounding objects but quite challenging for machines to achieve class-aware sounding objects localization without…

Computer Vision and Pattern Recognition · Computer Science 2021-12-23 Di Hu , Yake Wei , Rui Qian , Weiyao Lin , Ruihua Song , Ji-Rong Wen

Training vision models with language supervision enables general and transferable representations. However, many visual domains, especially non-object-centric domains such as medical imaging and remote sensing, contain itemized text…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Yiwei Lyu , Chenhui Zhao , Soumyanil Banerjee , Shixuan Liu , Akshay Rao , Akhil Kondepudi , Honglak Lee , Todd C. Hollon

The amount of digital video data is increasing over the world. It highlights the need for efficient algorithms that can index, retrieve and browse this data by content. This can be achieved by identifying semantic description captured…

Multimedia · Computer Science 2013-01-11 Bassem Bouaziz , Walid Mahdi , Tarek Zlitni , Abdelmajid ben Hamadou

We present a large-scale study on unsupervised spatiotemporal representation learning from videos. With a unified perspective on four recent image-based frameworks, we study a simple objective that can easily generalize all these methods to…

Computer Vision and Pattern Recognition · Computer Science 2021-04-30 Christoph Feichtenhofer , Haoqi Fan , Bo Xiong , Ross Girshick , Kaiming He

We present an unsupervised simultaneous learning framework for the task of monocular camera re-localization and depth estimation from unlabeled video sequences. Monocular camera re-localization refers to the task of estimating the absolute…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Shun Taguchi , Noriaki Hirose