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Clustering is a class of unsupervised learning methods that has been extensively applied and studied in computer vision. Little work has been done to adapt it to the end-to-end training of visual features on large scale datasets. In this…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Mathilde Caron , Piotr Bojanowski , Armand Joulin , Matthijs Douze

Visual tracking is a fundamental problem in computer vision. Recently, some deep-learning-based tracking algorithms have been achieving record-breaking performances. However, due to the high complexity of deep learning, most deep trackers…

Computer Vision and Pattern Recognition · Computer Science 2017-01-04 Xinyu Wang , Hanxi Li , Yi Li , Fumin Shen , Fatih Porikli

Object tracking is one of the fundamental problems in visual recognition tasks and has achieved significant improvements in recent years. The achievements often come with the price of enormous hardware consumption and expensive labor effort…

Computer Vision and Pattern Recognition · Computer Science 2022-05-06 Yan Shen , Zhanghexuan Ji , Chunwei Ma , Mingchen Gao

Unsupervised approaches to learning in neural networks are of substantial interest for furthering artificial intelligence, both because they would enable the training of networks without the need for large numbers of expensive annotations,…

Computer Vision and Pattern Recognition · Computer Science 2019-04-11 Chengxu Zhuang , Alex Lin Zhai , Daniel Yamins

Supervised Dictionary Learning has gained much interest in the recent decade and has shown significant performance improvements in image classification. However, in general, supervised learning needs a large number of labelled samples per…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Khanh-Hung Tran , Fred-Maurice Ngole-Mboula , Jean-Luc Starck , Vincent Prost

This work explores the use of spatial context as a source of free and plentiful supervisory signal for training a rich visual representation. Given only a large, unlabeled image collection, we extract random pairs of patches from each image…

Computer Vision and Pattern Recognition · Computer Science 2016-01-19 Carl Doersch , Abhinav Gupta , Alexei A. Efros

We present a framework for efficient perceptual inference that explicitly reasons about the segmentation of its inputs and features. Rather than being trained for any specific segmentation, our framework learns the grouping process in an…

Computer Vision and Pattern Recognition · Computer Science 2016-11-29 Klaus Greff , Antti Rasmus , Mathias Berglund , Tele Hotloo Hao , Jürgen Schmidhuber , Harri Valpola

In this paper, we present a simple, flexible and effective vision-language (VL) tracking pipeline, termed \textbf{MMTrack}, which casts VL tracking as a token generation task. Traditional paradigms address VL tracking task indirectly with…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Yaozong Zheng , Bineng Zhong , Qihua Liang , Guorong Li , Rongrong Ji , Xianxian Li

In this paper, we study a discriminatively trained deep convolutional network for the task of visual tracking. Our tracker utilizes both motion and appearance features that are extracted from a pre-trained dual stream deep convolution…

Computer Vision and Pattern Recognition · Computer Science 2015-12-15 Meera Hahn , Si Chen , Afshin Dehghan

Convolutional networks trained on large supervised dataset produce visual features which form the basis for the state-of-the-art in many computer-vision problems. Further improvements of these visual features will likely require even larger…

Computer Vision and Pattern Recognition · Computer Science 2015-11-10 Armand Joulin , Laurens van der Maaten , Allan Jabri , Nicolas Vasilache

In recent years, deep discriminative models have achieved extraordinary performance on supervised learning tasks, significantly outperforming their generative counterparts. However, their success relies on the presence of a large amount of…

Computer Vision and Pattern Recognition · Computer Science 2017-09-05 Gaurav Pandey , Ambedkar Dukkipati

Visual tracking has made significant improvements in the past few decades. Most existing state-of-the-art trackers 1) merely aim for performance in ideal conditions while overlooking the real-world conditions; 2) adopt the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Ziang Cao , Ziyuan Huang , Liang Pan , Shiwei Zhang , Ziwei Liu , Changhong Fu

A popular approach to semantic image understanding is to manually tag images with keywords and then learn a mapping from vi- sual features to keywords. Manually tagging images is a subjective pro- cess and the same or very similar visual…

Computer Vision and Pattern Recognition · Computer Science 2016-09-08 Ke Sun , Xianxu Hou , Qian Zhang , Guoping Qiu

Learning an encoding of feature vectors in terms of an over-complete dictionary or a information geometric (Fisher vectors) construct is wide-spread in statistical signal processing and computer vision. In content based information…

Information Retrieval · Computer Science 2017-11-15 B Sengupta , E Vasquez , Y Qian

There exist many high-dimensional data in real-world applications such as biology, computer vision, and social networks. Feature selection approaches are devised to confront with high-dimensional data challenges with the aim of efficient…

Machine Learning · Computer Science 2021-06-22 Mohsen Ghassemi Parsa , Hadi Zare , Mehdi Ghatee

Extracting expressive visual features is crucial for accurate Click-Through-Rate (CTR) prediction in visual search advertising systems. Current commercial systems use off-the-shelf visual encoders to facilitate fast online service. However,…

Information Retrieval · Computer Science 2022-05-10 Si Chen , Chen Lin , Wanxian Guan , Jiayi Wei , Xingyuan Bu , He Guo , Hui Li , Xubin Li , Jian Xu , Bo Zheng

We propose a novel method for learning convolutional neural image representations without manual supervision. We use motion cues in the form of optical flow, to supervise representations of static images. The obvious approach of training a…

Computer Vision and Pattern Recognition · Computer Science 2018-07-17 Aravindh Mahendran , James Thewlis , Andrea Vedaldi

Visual localization techniques rely upon some underlying scene representation to localize against. These representations can be explicit such as 3D SFM map or implicit, such as a neural network that learns to encode the scene. The former…

Computer Vision and Pattern Recognition · Computer Science 2024-06-13 Maxime Pietrantoni , Gabriela Csurka , Martin Humenberger , Torsten Sattler

In this paper we present a general, flexible framework for learning mappings from images to actions by interacting with the environment. The basic idea is to introduce a feature-based image classifier in front of a reinforcement learning…

Computer Vision and Pattern Recognition · Computer Science 2011-10-12 S. R. Jodogne , J. H. Piater

In many control problems that include vision, optimal controls can be inferred from the location of the objects in the scene. This information can be represented using feature points, which is a list of spatial locations in learned feature…

Machine Learning · Computer Science 2022-06-07 Rinu Boney , Alexander Ilin , Juho Kannala