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Cross-modal retrieval deals with retrieving relevant items from one modality, when provided with a search query from another modality. Hashing techniques, where the data is represented as binary bits have specifically gained importance due…

Computer Vision and Pattern Recognition · Computer Science 2020-02-04 Devraj Mandal , Soma Biswas

In the recent years, heterogeneous machine learning accelerators have become of significant interest in science, engineering and industry. The major processing speed bottlenecks in these platforms come from (a) an electronic data…

Optics · Physics 2022-08-25 Maria Solyanik-Gorgone , Behrouz Movahhed , Volker J Sorger

Feature selection is a process of choosing a subset of relevant features so that the quality of prediction models can be improved. An extensive body of work exists on information-theoretic feature selection, based on maximizing Mutual…

Machine Learning · Computer Science 2016-12-05 Jilin Wu , Soumyajit Gupta , Chandrajit Bajaj

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

Learning compact representation is vital and challenging for large scale multimedia data. Cross-view/cross-modal hashing for effective binary representation learning has received significant attention with exponentially growing availability…

Computer Vision and Pattern Recognition · Computer Science 2018-04-05 Liu Liu , Hairong Qi

Unsupervised binary representation allows fast data retrieval without any annotations, enabling practical application like fast person re-identification and multimedia retrieval. It is argued that conflicts in binary space are one of the…

Computer Vision and Pattern Recognition · Computer Science 2020-11-23 Fangrui Liu , Zheng Liu

The rapid progress in deep generative models has led to the creation of incredibly realistic synthetic images that are becoming increasingly difficult to distinguish from real-world data. The widespread use of Variational Models, Diffusion…

Computer Vision and Pattern Recognition · Computer Science 2025-01-13 Anant Mehta , Bryant McArthur , Nagarjuna Kolloju , Zhengzhong Tu

Deep hashing has recently received attention in cross-modal retrieval for its impressive advantages. However, existing hashing methods for cross-modal retrieval cannot fully capture the heterogeneous multi-modal correlation and exploit the…

Information Retrieval · Computer Science 2020-04-02 Li Wang , Lei Zhu , En Yu , Jiande Sun , Huaxiang Zhang

Combinatorial optimization (CO) has been a hot research topic because of its theoretic and practical importance. As a classic CO problem, deep hashing aims to find an optimal code for each data from finite discrete possibilities, while the…

Computer Vision and Pattern Recognition · Computer Science 2021-07-14 Chaoyou Fu , Guoli Wang , Xiang Wu , Qian Zhang , Ran He

Tamper detection using image hash is a very common problem of modern days. Several research and advancements have already been done to address this problem. However, most of the existing methods lack the accuracy of tamper detection when…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Subhajit Maity , Ram Kumar Karsh

The rising availability of digital music stipulates effective categorization and retrieval methods. Real world scenarios are characterized by mammoth music collections through pertinent and non-pertinent songs with reference to the user…

Information Retrieval · Computer Science 2014-01-14 Trisiladevi C. Nagavi , Nagappa U. Bhajantri

Traditional minwise hashing (MinHash) requires applying $K$ independent permutations to estimate the Jaccard similarity in massive binary (0/1) data, where $K$ can be (e.g.,) 1024 or even larger, depending on applications. The recent work…

Data Structures and Algorithms · Computer Science 2021-09-13 Xiaoyun Li , Ping Li

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

Due to its low storage cost and fast query speed, hashing has been recognized to accomplish similarity search in large-scale multimedia retrieval applications. Particularly supervised hashing has recently received considerable research…

Computer Vision and Pattern Recognition · Computer Science 2019-04-17 Zheng Zhang , Guo-sen Xie , Yang Li , Sheng Li , Zi Huang

Hash representation learning of multi-view heterogeneous data is the key to improving the accuracy of multimedia retrieval. However, existing methods utilize local similarity and fall short of deeply fusing the multi-view features,…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Jian Zhu , Wen Cheng , Yu Cui , Chang Tang , Yuyang Dai , Yong Li , Lingfang Zeng

Hashing is an effective technique to address the large-scale recommendation problem, due to its high computation and storage efficiency on calculating the user preferences on items. However, existing hashing-based recommendation methods…

Information Retrieval · Computer Science 2020-03-25 Yang Xu , Lei Zhu , Zhiyong Cheng , Jingjing Li , Jiande Sun

Addressing the challenge of balancing security and efficiency when deploying machine learning systems in untrusted environments, such as federated learning, remains a critical concern. A promising strategy to tackle this issue involves…

Cryptography and Security · Computer Science 2023-12-29 Dongfang Zhao

The development of unsupervised hashing is advanced by the recent popular contrastive learning paradigm. However, previous contrastive learning-based works have been hampered by (1) insufficient data similarity mining based on global-only…

Computer Vision and Pattern Recognition · Computer Science 2022-09-29 Jiaguo Yu , Huming Qiu , Dubing Chen , Haofeng Zhang

Similarity-preserving hashing is a widely-used method for nearest neighbour search in large-scale image retrieval tasks. For most existing hashing methods, an image is first encoded as a vector of hand-engineering visual features, followed…

Computer Vision and Pattern Recognition · Computer Science 2019-08-17 Hanjiang Lai , Yan Pan , Ye Liu , Shuicheng Yan

Cross-modal hashing (CMH) facilitates efficient retrieval across different modalities (e.g., image and text) by encoding data into compact binary representations. While recent methods have achieved remarkable performance, they often rely…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Likang Peng , Chao Su , Wenyuan Wu , Yuan Sun , Dezhong Peng , Xi Peng , Xu Wang