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An increasing number of datasets contain multiple views, such as video, sound and automatic captions. A basic challenge in representation learning is how to leverage multiple views to learn better representations. This is further…

机器学习 · 计算机科学 2019-03-04 Nils Holzenberger , Shruti Palaskar , Pranava Madhyastha , Florian Metze , Raman Arora

We present a method, Neural Radiance Flow (NeRFlow),to learn a 4D spatial-temporal representation of a dynamic scene from a set of RGB images. Key to our approach is the use of a neural implicit representation that learns to capture the 3D…

计算机视觉与模式识别 · 计算机科学 2021-09-07 Yilun Du , Yinan Zhang , Hong-Xing Yu , Joshua B. Tenenbaum , Jiajun Wu

Scene text recognition is a challenging task due to diverse variations of text instances in natural scene images. Conventional methods based on CNN-RNN-CTC or encoder-decoder with attention mechanism may not fully investigate stable and…

计算机视觉与模式识别 · 计算机科学 2021-05-11 Ruijie Yan , Liangrui Peng , Shanyu Xiao , Gang Yao

Training deep neural networks typically requires large amounts of labeled data which may be scarce or expensive to obtain for a particular target domain. As an alternative, we can leverage webly-supervised data (i.e. results from a public…

计算机视觉与模式识别 · 计算机科学 2019-08-06 Andrew Kae , Yale Song

This paper addresses the problem of self-supervised video representation learning from a new perspective -- by video pace prediction. It stems from the observation that human visual system is sensitive to video pace, e.g., slow motion, a…

计算机视觉与模式识别 · 计算机科学 2020-09-07 Jiangliu Wang , Jianbo Jiao , Yun-Hui Liu

Deep networks have been successfully applied to visual tracking by learning a generic representation offline from numerous training images. However the offline training is time-consuming and the learned generic representation may be less…

计算机视觉与模式识别 · 计算机科学 2015-08-25 Kaihua Zhang , Qingshan Liu , Yi Wu , Ming-Hsuan Yang

Learning informative representations from image-based observations is of fundamental concern in deep Reinforcement Learning (RL). However, data-inefficiency remains a significant barrier to this objective. To overcome this obstacle, we…

机器学习 · 计算机科学 2022-01-19 Tao Huang , Jiachen Wang , Xiao Chen

3D CNN shows its strong ability in learning spatiotemporal representation in recent video recognition tasks. However, inflating 2D convolution to 3D inevitably introduces additional computational costs, making it cumbersome in practical…

计算机视觉与模式识别 · 计算机科学 2019-11-27 Pingchuan Ma , Yao Zhou , Yu Lu , Wei Zhang

Recently, deep learning approach, especially deep Convolutional Neural Networks (ConvNets), have achieved overwhelming accuracy with fast processing speed for image classification. Incorporating temporal structure with deep ConvNets for…

计算机视觉与模式识别 · 计算机科学 2015-11-12 Pingbo Pan , Zhongwen Xu , Yi Yang , Fei Wu , Yueting Zhuang

Impressive advances in acquisition and sharing technologies have made the growth of multimedia collections and their applications almost unlimited. However, the opposite is true for the availability of labeled data, which is needed for…

计算机视觉与模式识别 · 计算机科学 2023-04-26 Lucas Pascotti Valem , Daniel Carlos Guimarães Pedronette , Longin Jan Latecki

Learning visual representations with self-supervised learning has become popular in computer vision. The idea is to design auxiliary tasks where labels are free to obtain. Most of these tasks end up providing data to learn specific kinds of…

计算机视觉与模式识别 · 计算机科学 2017-08-16 Xiaolong Wang , Kaiming He , Abhinav Gupta

Many recent methods for unsupervised representation learning train models to be invariant to different "views," or distorted versions of an input. However, designing these views requires considerable trial and error by human experts,…

机器学习 · 计算机科学 2021-03-30 Alex Tamkin , Mike Wu , Noah Goodman

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…

计算机视觉与模式识别 · 计算机科学 2023-06-07 Ali Younes , Simone Schaub-Meyer , Georgia Chalvatzaki

We propose a framework for learning neural scene representations directly from images, without 3D supervision. Our key insight is that 3D structure can be imposed by ensuring that the learned representation transforms like a real 3D scene.…

计算机视觉与模式识别 · 计算机科学 2020-12-22 Emilien Dupont , Miguel Angel Bautista , Alex Colburn , Aditya Sankar , Carlos Guestrin , Josh Susskind , Qi Shan

Visual model-based reinforcement learning (RL) has the potential to enable sample-efficient robot learning from visual observations. Yet the current approaches typically train a single model end-to-end for learning both visual…

机器人学 · 计算机科学 2023-05-30 Younggyo Seo , Danijar Hafner , Hao Liu , Fangchen Liu , Stephen James , Kimin Lee , Pieter Abbeel

Capabilities of inference and prediction are significant components of visual systems. In this paper, we address an important and challenging task of them: visual path prediction. Its goal is to infer the future path for a visual object in…

计算机视觉与模式识别 · 计算机科学 2016-12-16 Siyu Huang , Xi Li , Zhongfei Zhang , Zhouzhou He , Fei Wu , Wei Liu , Jinhui Tang , Yueting Zhuang

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

We propose an approach to learn spatio-temporal features in videos from intermediate visual representations we call "percepts" using Gated-Recurrent-Unit Recurrent Networks (GRUs).Our method relies on percepts that are extracted from all…

计算机视觉与模式识别 · 计算机科学 2016-03-02 Nicolas Ballas , Li Yao , Chris Pal , Aaron Courville

Models based on deep convolutional networks have dominated recent image interpretation tasks; we investigate whether models which are also recurrent, or "temporally deep", are effective for tasks involving sequences, visual and otherwise.…

计算机视觉与模式识别 · 计算机科学 2016-06-02 Jeff Donahue , Lisa Anne Hendricks , Marcus Rohrbach , Subhashini Venugopalan , Sergio Guadarrama , Kate Saenko , Trevor Darrell

Recent single image unsupervised representation learning techniques show remarkable success on a variety of tasks. The basic principle in these works is instance discrimination: learning to differentiate between two augmented versions of…

计算机视觉与模式识别 · 计算机科学 2020-05-08 Daniel Gordon , Kiana Ehsani , Dieter Fox , Ali Farhadi