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Perceiving a scene most fully requires all the senses. Yet modeling how objects look and sound is challenging: most natural scenes and events contain multiple objects, and the audio track mixes all the sound sources together. We propose to…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Ruohan Gao , Rogerio Feris , Kristen Grauman

In this study, we propose the integration of competitive learning into convolutional neural networks (CNNs) to improve the representation learning and efficiency of fine-tuning. Conventional CNNs use back propagation learning, and it…

Machine Learning · Computer Science 2018-04-27 Takashi Shinozaki

We present a deep generative model for learning to predict classes not seen at training time. Unlike most existing methods for this problem, that represent each class as a point (via a semantic embedding), we represent each seen/unseen…

Machine Learning · Computer Science 2017-11-21 Wenlin Wang , Yunchen Pu , Vinay Kumar Verma , Kai Fan , Yizhe Zhang , Changyou Chen , Piyush Rai , Lawrence Carin

Extracting informative representations from videos is fundamental for effectively learning various downstream tasks. We present a novel approach for unsupervised learning of meaningful representations from videos, leveraging the concept of…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Ali Younes , Simone Schaub-Meyer , Georgia Chalvatzaki

Current state-of-the-art classification and detection algorithms rely on supervised training. In this work we study unsupervised feature learning in the context of temporally coherent video data. We focus on feature learning from unlabeled…

Computer Vision and Pattern Recognition · Computer Science 2015-09-09 Ross Goroshin , Joan Bruna , Jonathan Tompson , David Eigen , Yann LeCun

Category discovery methods aim to find novel categories in unlabeled visual data. At training time, a set of labeled and unlabeled images are provided, where the labels correspond to the categories present in the images. The labeled data…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Bingchen Zhao , Nico Lang , Serge Belongie , Oisin Mac Aodha

Recently, zero-shot learning (ZSL) has received increasing interest. The key idea underpinning existing ZSL approaches is to exploit knowledge transfer via an intermediate-level semantic representation which is assumed to be shared between…

Machine Learning · Computer Science 2015-03-30 Yanwei Fu , Yongxin Yang , Timothy M. Hospedales , Tao Xiang , Shaogang Gong

In this paper, we propose a novel approach for generalized zero-shot learning in a multi-modal setting, where we have novel classes of audio/video during testing that are not seen during training. We use the semantic relatedness of text…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Pratik Mazumder , Pravendra Singh , Kranti Kumar Parida , Vinay P. Namboodiri

While supervised techniques in re-identification are extremely effective, the need for large amounts of annotations makes them impractical for large camera networks. One-shot re-identification, which uses a singular labeled tracklet for…

Computer Vision and Pattern Recognition · Computer Science 2020-07-23 Dripta S. Raychaudhuri , Amit K. Roy-Chowdhury

Deep neural networks often struggle to learn robust representations in the presence of dataset biases, leading to suboptimal generalization on unbiased datasets. This limitation arises because the models heavily depend on peripheral and…

Machine Learning · Computer Science 2024-12-11 Carlo Alberto Barbano , Enzo Tartaglione , Marco Grangetto

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…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Liang-Chieh Chen , Raphael Gontijo Lopes , Bowen Cheng , Maxwell D. Collins , Ekin D. Cubuk , Barret Zoph , Hartwig Adam , Jonathon Shlens

We propose a novel approach for unsupervised zero-shot learning (ZSL) of classes based on their names. Most existing unsupervised ZSL methods aim to learn a model for directly comparing image features and class names. However, this proves…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Berkan Demirel , Ramazan Gokberk Cinbis , Nazli Ikizler-Cinbis

Continual learning aims to learn new tasks incrementally using less computation and memory resources instead of retraining the model from scratch whenever new task arrives. However, existing approaches are designed in supervised fashion…

Computer Vision and Pattern Recognition · Computer Science 2021-08-03 Jiangpeng He , Fengqing Zhu

We propose a simple and efficient algorithm for learning sparse invariant representations from unlabeled data with fast inference. When trained on short movies sequences, the learned features are selective to a range of orientations and…

Computer Vision and Pattern Recognition · Computer Science 2011-05-27 Karol Gregor , Yann LeCun

This work explores whether a deep generative model can learn complex knowledge solely from visual input, in contrast to the prevalent focus on text-based models like large language models (LLMs). We develop VideoWorld, an auto-regressive…

Computer Vision and Pattern Recognition · Computer Science 2025-03-06 Zhongwei Ren , Yunchao Wei , Xun Guo , Yao Zhao , Bingyi Kang , Jiashi Feng , Xiaojie Jin

Recent advances in representation learning have demonstrated an ability to represent information from different modalities such as video, text, and audio in a single high-level embedding vector. In this work we present a self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2021-06-11 Alexander H. Liu , SouYoung Jin , Cheng-I Jeff Lai , Andrew Rouditchenko , Aude Oliva , James Glass

We study the few-shot learning (FSL) problem, where a model learns to recognize new objects with extremely few labeled training data per category. Most of previous FSL approaches resort to the meta-learning paradigm, where the model…

Computer Vision and Pattern Recognition · Computer Science 2021-09-08 Zejiang Hou , Sun-Yuan Kung

Our objective is to transform a video into a set of discrete audio-visual objects using self-supervised learning. To this end, we introduce a model that uses attention to localize and group sound sources, and optical flow to aggregate…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Triantafyllos Afouras , Andrew Owens , Joon Son Chung , Andrew Zisserman

Self-supervised models have been shown to produce comparable or better visual representations than their supervised counterparts when trained offline on unlabeled data at scale. However, their efficacy is catastrophically reduced in a…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Enrico Fini , Victor G. Turrisi da Costa , Xavier Alameda-Pineda , Elisa Ricci , Karteek Alahari , Julien Mairal

Multi-view learning is widely applied to real-life datasets, such as multiple omics biological data, but it often suffers from both missing views and missing labels. Prior probabilistic approaches addressed the missing view problem by using…

Machine Learning · Computer Science 2025-08-18 Yiyang Shen , Weiran Wang
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