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Improving sample efficiency is a key research problem in reinforcement learning (RL), and CURL, which uses contrastive learning to extract high-level features from raw pixels of individual video frames, is an efficient…

机器学习 · 计算机科学 2020-10-16 Jinhua Zhu , Yingce Xia , Lijun Wu , Jiajun Deng , Wengang Zhou , Tao Qin , Houqiang Li

Convolutional neural network (CNN) models have demonstrated great success in various computer vision tasks including image classification and object detection. However, some equally important tasks such as visual tracking remain relatively…

计算机视觉与模式识别 · 计算机科学 2015-04-24 Naiyan Wang , Siyi Li , Abhinav Gupta , Dit-Yan Yeung

We present a new framework for self-supervised representation learning by formulating it as a ranking problem in an image retrieval context on a large number of random views (augmentations) obtained from images. Our work is based on two…

计算机视觉与模式识别 · 计算机科学 2020-11-23 Ali Varamesh , Ali Diba , Tinne Tuytelaars , Luc Van Gool

Image classification remains a fundamental yet challenging task in computer vision, particularly when fine-grained feature extraction and background noise suppression are required simultaneously. Conventional convolutional neural networks,…

计算机视觉与模式识别 · 计算机科学 2026-04-29 Wentao Jiang , Yuanchan Xu , Heng Yuan

As convolutional neural networks (CNNs) enable state-of-the-art computer vision applications, their high energy consumption has emerged as a key impediment to their deployment on embedded and mobile devices. Towards efficient image…

Contrastive Learning (CL) has been proved to be a powerful self-supervised approach for a wide range of domains, including computer vision and graph representation learning. However, the incremental learning issue of CL has rarely been…

机器学习 · 计算机科学 2023-01-31 Cheng Ji , Jianxin Li , Hao Peng , Jia Wu , Xingcheng Fu , Qingyun Sun , Phillip S. Yu

Convolutional Neural Networks (CNNs) serve as the workhorse of deep learning, finding applications in various fields that rely on images. Given sufficient data, they exhibit the capacity to learn a wide range of concepts across diverse…

计算机视觉与模式识别 · 计算机科学 2025-02-27 Saorj Kumar , Prince Asiamah , Oluwatoyin Jolaoso , Ugochukwu Esiowu

Convolutional neural networks (CNNs) are one of the most popular models of Artificial Neural Networks (ANN)s in Computer Vision (CV). A variety of CNN-based structures were developed by researchers to solve problems like image…

计算机视觉与模式识别 · 计算机科学 2022-09-30 Bowen Qiu , Daniela Raicu , Jacob Furst , Roselyne Tchoua

Deep neural networks demonstrate to have a high performance on image classification tasks while being more difficult to train. Due to the complexity and vanishing gradient problem, it normally takes a lot of time and more computational…

计算机视觉与模式识别 · 计算机科学 2018-05-02 Mohammad Sadegh Ebrahimi , Hossein Karkeh Abadi

Deep learning, e.g., convolutional neural networks (CNNs), has achieved great success in image processing and computer vision especially in high level vision applications such as recognition and understanding. However, it is rarely used to…

计算机视觉与模式识别 · 计算机科学 2017-08-03 Feng Jiang , Wen Tao , Shaohui Liu , Jie Ren , Xun Guo , Debin Zhao

While deep learning has been successfully applied to many real-world computer vision tasks, training robust classifiers usually requires a large amount of well-labeled data. However, the annotation is often expensive and time-consuming.…

计算机视觉与模式识别 · 计算机科学 2020-09-09 Zhiyu Xue , Lixin Duan , Wen Li , Lin Chen , Jiebo Luo

In recent years, several unsupervised, "contrastive" learning algorithms in vision have been shown to learn representations that perform remarkably well on transfer tasks. We show that this family of algorithms maximizes a lower bound on…

机器学习 · 计算机科学 2020-06-08 Mike Wu , Chengxu Zhuang , Milan Mosse , Daniel Yamins , Noah Goodman

We introduce a method to classify imagery using a convo- lutional neural network (CNN) on multi-view image pro- jections. The power of our method comes from using pro- jections of multiple images at multiple depth planes near the…

计算机视觉与模式识别 · 计算机科学 2017-12-27 Dror Aiger , Brett Allen , Aleksey Golovinskiy

Contrastive Learning (CL) has achieved impressive performance in self-supervised learning tasks, showing superior generalization ability. Inspired by the success, adopting CL into collaborative filtering (CF) is prevailing in…

信息检索 · 计算机科学 2023-10-31 An Zhang , Leheng Sheng , Zhibo Cai , Xiang Wang , Tat-Seng Chua

We develop techniques for refining representations for fine-grained classification and segmentation tasks in a self-supervised manner. We find that fine-tuning methods based on instance-discriminative contrastive learning are not as…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Oindrila Saha , Subhransu Maji

Convolutional neural network (CNN) has drawn increasing interest in visual tracking owing to its powerfulness in feature extraction. Most existing CNN-based trackers treat tracking as a classification problem. However, these trackers are…

计算机视觉与模式识别 · 计算机科学 2017-05-02 Heng Fan , Haibin Ling

In this paper, we propose a method for image-set classification based on convex cone models, focusing on the effectiveness of convolutional neural network (CNN) features as inputs. CNN features have non-negative values when using the…

计算机视觉与模式识别 · 计算机科学 2018-06-01 Naoya Sogi , Taku Nakayama , Kazuhiro Fukui

It is well known that Convolutional Neural Networks (CNNs) have significant redundancy in their filter weights. Various methods have been proposed in the literature to compress trained CNNs. These include techniques like pruning weights,…

机器学习 · 计算机科学 2019-06-12 Muhammad Tayyab , Abhijit Mahalanobis

This paper presents a simple unsupervised visual representation learning method with a pretext task of discriminating all images in a dataset using a parametric, instance-level classifier. The overall framework is a replica of a supervised…

计算机视觉与模式识别 · 计算机科学 2021-02-10 Yu Liu , Lianghua Huang , Pan Pan , Bin Wang , Yinghui Xu , Rong Jin

Convolutional Neural Networks (CNNs) have revolutionized the understanding of visual content. This is mainly due to their ability to break down an image into smaller pieces, extract multi-scale localized features and compose them to…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Zachary Wharton , Ardhendu Behera , Asish Bera