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Hashing has been widely applied to multimodal retrieval on large-scale multimedia data due to its efficiency in computation and storage. In this article, we propose a novel deep semantic multimodal hashing network (DSMHN) for scalable…

计算机视觉与模式识别 · 计算机科学 2022-01-06 Lu Jin , Zechao Li , Jinhui Tang

This paper addresses the problem of learning binary hash codes for large scale image search by proposing a novel hashing method based on deep neural network. The advantage of our deep model over previous deep model used in hashing is that…

计算机视觉与模式识别 · 计算机科学 2015-08-31 Thanh-Toan Do , Anh-Zung Doan , Ngai-Man Cheung

Phishing websites distribute unsolicited content and are frequently used to commit email and internet fraud; detecting them before any user information is submitted is critical. Several efforts have been made to detect these phishing…

密码学与安全 · 计算机科学 2023-09-06 Chidimma Opara , Yingke Chen , Bo. wei

The issue of detecting deepfakes has garnered significant attention in the research community, with the goal of identifying facial manipulations for abuse prevention. Although recent studies have focused on developing generalized models…

计算机视觉与模式识别 · 计算机科学 2023-05-23 Jiazhi Guan , Tianshu Hu , Hang Zhou , Zhizhi Guo , Lirui Deng , Chengbin Quan , Errui Ding , Youjian Zhao

A backdoored deep hashing model is expected to behave normally on original query images and return the images with the target label when a specific trigger pattern presents. To this end, we propose the confusing perturbations-induced…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Kuofeng Gao , Jiawang Bai , Bin Chen , Dongxian Wu , Shu-Tao Xia

Security of machine learning is increasingly becoming a major concern due to the ubiquitous deployment of deep learning in many security-sensitive domains. Many prior studies have shown external attacks such as adversarial examples that…

密码学与安全 · 计算机科学 2020-04-01 Fan Yao , Adnan Siraj Rakin , Deliang Fan

This paper proposes a novel approach for storing and retrieving massive DNA sequences.. The method is based on a perceptual hash function, commonly used to determine the similarity between digital images, that we adapted for DNA sequences.…

计算工程、金融与科学 · 计算机科学 2014-12-18 Jocelyn De Goer De Herve , Myoung-Ah Kang , Xavier Bailly , Engelbert Mephu Nguifo

In recent years, hashing methods have been proved to be effective and efficient for the large-scale Web media search. However, the existing general hashing methods have limited discriminative power for describing fine-grained objects that…

计算机视觉与模式识别 · 计算机科学 2019-02-04 Sheng Jin , Hongxun Yao , Xiaoshuai Sun , Shangchen Zhou , Lei Zhang , Xiansheng Hua

Deep hiding, embedding images into another using deep neural networks, has shown its great power in increasing the message capacity and robustness. In this paper, we conduct an in-depth study of state-of-the-art deep hiding schemes and…

密码学与安全 · 计算机科学 2021-06-08 Tao Xiang , Hangcheng Liu , Shangwei Guo , Tianwei Zhang

Deep hashing models have been proposed as an efficient method for large-scale similarity search. However, most existing deep hashing methods only utilize fine-level labels for training while ignoring the natural semantic hierarchy…

计算机视觉与模式识别 · 计算机科学 2021-06-23 Ming Zhang , Xuefei Zhe , Le Ou-Yang , Shifeng Chen , Hong Yan

Image perceptual hashing finds applications in content indexing, large-scale image database management, certification and authentication and digital watermarking. We propose a Block-DCT and PCA based image perceptual hash in this article…

计算机视觉与模式识别 · 计算机科学 2013-06-19 Zeng Jie

Recently proposed systems aim at achieving privacy using locality-sensitive hashing. We show how these approaches fail by presenting attacks against two such systems: Google's FLoC proposal for privacy-preserving targeted advertising and…

密码学与安全 · 计算机科学 2023-08-15 Florian Turati , Carlos Cotrini , Karel Kubicek , David Basin

With the wide application of biometrics, more and more attention has been paid to the security of biometric templates. However most of existing biometric template protection (BTP) methods have some security problems, e.g. the problem that…

密码学与安全 · 计算机科学 2024-08-08 Baogang Song , Dongdong Zhao , Jiang Yan , Huanhuan Li , Hao Jiang

Traditional person re-identification (ReID) methods typically represent person images as real-valued features, which makes ReID inefficient when the gallery set is extremely large. Recently, some hashing methods have been proposed to make…

计算机视觉与模式识别 · 计算机科学 2019-05-28 Ming-Wei Li , Qing-Yuan Jiang , Wu-Jun Li

Deep neural networks are extensively applied to real-world tasks, such as face recognition and medical image classification, where privacy and data protection are critical. Image data, if not protected, can be exploited to infer personal or…

计算机视觉与模式识别 · 计算机科学 2024-02-15 Weiheng Chai , Brian Testa , Huantao Ren , Asif Salekin , Senem Velipasalar

Hashing is an efficient method for nearest neighbor search in large-scale data space by embedding high-dimensional feature descriptors into a similarity preserving Hamming space with a low dimension. However, large-scale high-speed…

计算机视觉与模式识别 · 计算机科学 2020-06-17 Chenggang Yan , Biao Gong , Yuxuan Wei , Yue Gao

Similarity-preserving hashing is a commonly used method for nearest neighbour search in large-scale image retrieval. For image retrieval, deep-networks-based hashing methods are appealing since they can simultaneously learn effective image…

计算机视觉与模式识别 · 计算机科学 2016-05-04 Hanjiang Lai , Pan Yan , Xiangbo Shu , Yunchao Wei , Shuicheng Yan

Locality-sensitive hashing (LSH) based frameworks have been used efficiently to select weight vectors in a dense hidden layer with high cosine similarity to an input, enabling dynamic pruning. While this type of scheme has been shown to…

机器学习 · 计算机科学 2023-06-06 Tahseen Rabbani , Marco Bornstein , Furong Huang

Deep neural networks have become widely used, obtaining remarkable results in domains such as computer vision, speech recognition, natural language processing, audio recognition, social network filtering, machine translation, and…

神经与进化计算 · 计算机科学 2020-02-03 Divya Gopinath , Guy Katz , Corina S. Pasareanu , Clark Barrett

Deepfake or synthetic images produced using deep generative models pose serious risks to online platforms. This has triggered several research efforts to accurately detect deepfake images, achieving excellent performance on publicly…