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With the rapid growth of multimodal media data on the Web in recent years, hash learning methods as a way to achieve efficient and flexible cross-modal retrieval of massive multimedia data have received a lot of attention from the current…

Information Retrieval · Computer Science 2022-07-27 Yitian Long

Semantic segmentation is one of the most fundamental problems in computer vision with significant impact on a wide variety of applications. Adversarial learning is shown to be an effective approach for improving semantic segmentation…

Computer Vision and Pattern Recognition · Computer Science 2021-01-22 Hadi Jamali-Rad , Attila Szabo

In recent years, Cross-Modal Hashing (CMH) has aroused much attention due to its fast query speed and efficient storage. Previous literatures have achieved promising results for Cross-Modal Retrieval (CMR) by discovering discriminative hash…

Multimedia · Computer Science 2023-10-06 Kaiyi Luo , Chao Zhang , Huaxiong Li , Xiuyi Jia , Chunlin Chen

Self-Supervised Video Hashing (SSVH) compresses videos into hash codes for efficient indexing and retrieval using unlabeled training videos. Existing approaches rely on random frame sampling to learn video features and treat all frames…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Niu Lian , Jun Li , Jinpeng Wang , Ruisheng Luo , Yaowei Wang , Shu-Tao Xia , Bin Chen

Semantic communication is emerging as a promising paradigm that focuses on the extraction and transmission of semantic meanings using deep learning techniques. While current research primarily addresses the reduction of semantic…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Hang Zhao , Hongru Li , Dongfang Xu , Shenghui Song , Khaled B. Letaief

Recently, learning from vast unlabeled data, especially self-supervised learning, has been emerging and attracted widespread attention. Self-supervised learning followed by the supervised fine-tuning on a few labeled examples can…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Wentao Zhu , Hang Shang , Tingxun Lv , Chao Liao , Sen Yang , Ji Liu

Unsupervised hashing has received extensive research focus on the past decade, which typically aims at preserving a predefined metric (i.e. Euclidean metric) in the Hamming space. To this end, the encoding functions of the existing hashing…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Hong Liu

Supervised cross-modal hashing has gained increasing research interest on large-scale retrieval task owning to its satisfactory performance and efficiency. However, it still has some challenging issues to be further studied: 1) most of them…

Machine Learning · Computer Science 2019-05-07 Tao Yao , Xiangwei Kong , Lianshan Yan , Wenjing Tang , Qi Tian

Cross-modal retrieval aims to search for data with similar semantic meanings across different content modalities. However, cross-modal retrieval requires huge amounts of storage and retrieval time since it needs to process data in multiple…

Information Retrieval · Computer Science 2022-02-22 Yang Shi , Young-joo Chung

With the vigorous development of multimedia equipment and applications, efficient retrieval of large-scale multi-modal data has become a trendy research topic. Thereinto, hashing has become a prevalent choice due to its retrieval efficiency…

Multimedia · Computer Science 2022-03-25 Xiao-Ming Wu , Xin Luo , Yu-Wei Zhan , Chen-Lu Ding , Zhen-Duo Chen , Xin-Shun Xu

In recent years, deep hashing methods have been proved to be efficient since it employs convolutional neural network to learn features and hashing codes simultaneously. However, these methods are mostly supervised. In real-world…

Computer Vision and Pattern Recognition · Computer Science 2018-03-20 Sheng Jin

Recently, hashing methods have been widely used in large-scale image retrieval. However, most existing hashing methods did not consider the hierarchical relation of labels, which means that they ignored the rich information stored in the…

Computer Vision and Pattern Recognition · Computer Science 2017-09-13 Dan Wang , Heyan Huang , Chi Lu , Bo-Si Feng , Liqiang Nie , Guihua Wen , Xian-Ling Mao

Self-supervised learning (SSL) has advanced significantly in visual representation learning, yet comprehensive evaluations of its adversarial robustness remain limited. In this study, we evaluate the adversarial robustness of seven…

Computer Vision and Pattern Recognition · Computer Science 2025-09-25 Ömer Veysel Çağatan , Ömer Faruk Tal , M. Emre Gürsoy

In recent years, hashing has attracted more and more attention owing to its superior capacity of low storage cost and high query efficiency in large-scale cross-modal retrieval. Benefiting from deep leaning, continuously compelling results…

Information Retrieval · Computer Science 2019-03-07 Chao Li , Cheng Deng , Lei Wang , De Xie , Xianglong Liu

Hashing is widely applied to large-scale image retrieval due to the storage and retrieval efficiency. Existing work on deep hashing assumes that the database in the target domain is identically distributed with the training set in the…

Computer Vision and Pattern Recognition · Computer Science 2017-12-14 Zhangjie Cao , Mingsheng Long , Chao Huang , Jianmin Wang

Due to the impressive learning power, deep learning has achieved a remarkable performance in supervised hash function learning. In this paper, we propose a novel asymmetric supervised deep hashing method to preserve the semantic structure…

Computer Vision and Pattern Recognition · Computer Science 2018-01-26 Jinxing Li , Bob Zhang , Guangming Lu , David Zhang

Deep neural networks are known to be vulnerable to adversarial examples, where a perturbation in the input space leads to an amplified shift in the latent network representation. In this paper, we combine canonical supervised learning with…

Machine Learning · Computer Science 2022-01-02 Changhao Shi , Chester Holtz , Gal Mishne

Due to its low storage cost and fast query speed, cross-modal hashing (CMH) has been widely used for similarity search in multimedia retrieval applications. However, almost all existing CMH methods are based on hand-crafted features which…

Information Retrieval · Computer Science 2016-02-16 Qing-Yuan Jiang , Wu-Jun Li

Recently, deep hashing methods have been widely used in image retrieval task. Most existing deep hashing approaches adopt one-to-one quantization to reduce information loss. However, such class-unrelated quantization cannot give…

Computer Vision and Pattern Recognition · Computer Science 2021-12-24 Jianglin Lu , Hailing Wang , Jie Zhou , Mengfan Yan , Jiajun Wen

Adversarial attacks exploit the vulnerabilities of convolutional neural networks by introducing imperceptible perturbations that lead to misclassifications, exposing weaknesses in feature representations and decision boundaries. This paper…

Machine Learning · Computer Science 2024-12-30 Longwei Wang , Navid Nayyem , Abdullah Rakin