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In recent years, binary code learning, a.k.a hashing, has received extensive attention in large-scale multimedia retrieval. It aims to encode high-dimensional data points to binary codes, hence the original high-dimensional metric space can…

Computer Vision and Pattern Recognition · Computer Science 2019-05-28 Mingbao Lin , Rongrong Ji , Hong Liu , Yongjian Liu

An attacker who breaks into an authentication server and steals all of the cryptographic password hashes is able to mount an offline-brute force attack against each user's password. Offline brute-force attacks against passwords are…

Cryptography and Security · Computer Science 2021-02-02 Wenjie Bai , Jeremiah Blocki

The performance of Human Activity Recognition (HAR) models, particularly deep neural networks, is highly contingent upon the availability of the massive amount of annotated training data which should be sufficiently labeled. Though, data…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Elnaz Soleimani , Ghazaleh Khodabandelou , Abdelghani Chibani , Yacine Amirat

Hash coding has been widely used in the approximate nearest neighbor search for large-scale image retrieval. Recently, many deep hashing methods have been proposed and shown largely improved performance over traditional…

Computer Vision and Pattern Recognition · Computer Science 2019-10-18 Zheng Zhang , Qin Zou , Yuewei Lin , Long Chen , Song Wang

Hashing methods have been recently found very effective in retrieval of remote sensing (RS) images due to their computational efficiency and fast search speed. The traditional hashing methods in RS usually exploit hand-crafted features to…

Computer Vision and Pattern Recognition · Computer Science 2021-01-07 Subhankar Roy , Enver Sangineto , Begüm Demir , Nicu Sebe

This work provides a framework for addressing the problem of supervised domain adaptation with deep models. The main idea is to exploit adversarial learning to learn an embedded subspace that simultaneously maximizes the confusion between…

Computer Vision and Pattern Recognition · Computer Science 2017-11-08 Saeid Motiian , Quinn Jones , Seyed Mehdi Iranmanesh , Gianfranco Doretto

Clustering analysis is of substantial significance for data mining. The properties of big data raise higher demand for more efficient and economical distributed clustering methods. However, existing distributed clustering methods mainly…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-07-03 Yifeng Xiao , Jiang Xue , Deyu Meng

Searching on bipartite graphs serves as a fundamental task for various real-world applications, such as recommendation systems, database retrieval, and document querying. Conventional approaches rely on similarity matching in continuous…

Information Retrieval · Computer Science 2024-08-20 Yankai Chen , Yixiang Fang , Yifei Zhang , Chenhao Ma , Yang Hong , Irwin King

In the field of digital security, Reversible Adversarial Examples (RAE) combine adversarial attacks with reversible data hiding techniques to effectively protect sensitive data and prevent unauthorized analysis by malicious Deep Neural…

Cryptography and Security · Computer Science 2025-05-13 Xia Du , Jiajie Zhu , Jizhe Zhou , Chi-man Pun , Zheng Lin , Cong Wu , Zhe Chen , Jun Luo

Current deep learning architectures are growing larger in order to learn from complex datasets. These architectures require giant matrix multiplication operations to train millions of parameters. Conversely, there is another growing trend…

Machine Learning · Statistics 2016-12-06 Ryan Spring , Anshumali Shrivastava

Recently, remarkable progress has been made in learning transferable representation across domains. Previous works in domain adaptation are majorly based on two techniques: domain-adversarial learning and self-training. However,…

Computer Vision and Pattern Recognition · Computer Science 2020-01-07 Minghao Chen , Shuai Zhao , Haifeng Liu , Deng Cai

The vulnerability of deep neural networks to adversarial examples has drawn tremendous attention from the community. Three approaches, optimizing standard objective functions, exploiting attention maps, and smoothing decision surfaces, are…

Machine Learning · Computer Science 2022-05-27 Yi Huang , Adams Wai-Kin Kong

Due to its fast retrieval and storage efficiency capabilities, hashing has been widely used in nearest neighbor retrieval tasks. By using deep learning based techniques, hashing can outperform non-learning based hashing technique in many…

Computer Vision and Pattern Recognition · Computer Science 2019-06-04 Zhan Yang , Osolo Ian Raymond , WuQing Sun , Jun Long

To overcome the barrier of storage and computation, the hashing technique has been widely used for nearest neighbor search in multimedia retrieval applications recently. Particularly, cross-modal retrieval that searches across different…

Information Retrieval · Computer Science 2019-05-16 Sarawut Markchit , Chih-Yi Chiu

Gathering properly labelled, adequately rich, and case-specific data for successfully training a data-driven or hybrid model for structural health monitoring (SHM) applications is a challenging task. We posit that a Transfer Learning (TL)…

With the rapid growth of textual content on the Internet, efficient large-scale semantic text retrieval has garnered increasing attention from both academia and industry. Text hashing, which projects original texts into compact binary hash…

Information Retrieval · Computer Science 2025-11-03 Liyang He , Zhenya Huang , Cheng Yang , Rui Li , Zheng Zhang , Kai Zhang , Zhi Li , Qi Liu , Enhong Chen

Hashing has attracted increasing research attentions in recent years due to its high efficiency of computation and storage in image retrieval. Recent works have demonstrated the superiority of simultaneous feature representations and hash…

Computer Vision and Pattern Recognition · Computer Science 2019-02-20 Lu Jin , Xiangbo Shu , Kai Li , Zechao Li , Guo-Jun Qi , Jinhui Tang

Similarity-based image hashing represents crucial technique for visual data storage reduction and expedited image search. Conventional hashing schemes typically feed hand-crafted features into hash functions, which separates the procedures…

Computer Vision and Pattern Recognition · Computer Science 2016-08-15 Yadong Mu , Zhu Liu

Finding nearest neighbors in high-dimensional spaces is a fundamental operation in many diverse application domains. Locality Sensitive Hashing (LSH) is one of the most popular techniques for finding approximate nearest neighbor searches in…

Databases · Computer Science 2021-02-18 Omid Jafari , Preeti Maurya , Parth Nagarkar , Khandker Mushfiqul Islam , Chidambaram Crushev

Given labeled instances on a source domain and unlabeled ones on a target domain, unsupervised domain adaptation aims to learn a task classifier that can well classify target instances. Recent advances rely on domain-adversarial training of…

Computer Vision and Pattern Recognition · Computer Science 2019-12-18 Hui Tang , Kui Jia