English
Related papers

Related papers: Deep Attention-guided Hashing

200 papers

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

Cross-modal hashing is a promising approach for efficient data retrieval and storage optimization. However, contemporary methods exhibit significant limitations in semantic preservation, contextual integrity, and information redundancy,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Qiang Zou , Shuli Cheng , Jiayi Chen

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

While semi-supervised learning (SSL) has received tremendous attentions in many machine learning tasks due to its successful use of unlabeled data, existing SSL algorithms use either all unlabeled examples or the unlabeled examples with a…

Machine Learning · Computer Science 2021-09-03 Yi Xu , Lei Shang , Jinxing Ye , Qi Qian , Yu-Feng Li , Baigui Sun , Hao Li , Rong Jin

We present DASH (Deep Automated Supernova and Host classifier), a novel software package that automates the classification of the type, age, redshift, and host galaxy of supernova spectra. DASH makes use of a new approach that does not rely…

Instrumentation and Methods for Astrophysics · Physics 2019-12-06 Daniel Muthukrishna , David Parkinson , Brad Tucker

Although hash function learning algorithms have achieved great success in recent years, most existing hash models are off-line, which are not suitable for processing sequential or online data. To address this problem, this work proposes an…

Computer Vision and Pattern Recognition · Computer Science 2017-04-10 Long-Kai Huang , Qiang Yang , Wei-Shi Zheng

Learning compact binary codes for image retrieval problem using deep neural networks has recently attracted increasing attention. However, training deep hashing networks is challenging due to the binary constraints on the hash codes. In…

Computer Vision and Pattern Recognition · Computer Science 2019-09-02 Thanh-Toan Do , Tuan Hoang , Dang-Khoa Le Tan , Anh-Dzung Doan , Ngai-Man Cheung

Recently, learning to hash has been widely studied for image retrieval thanks to the computation and storage efficiency of binary codes. For most existing learning to hash methods, sufficient training images are required and used to learn…

Information Retrieval · Computer Science 2019-03-04 Ji Liu , Lei Zhang

Fine-grained image classification is a challenging problem, since the difficulty of finding discriminative features. To handle this circumstance, basically, there are two ways to go. One is use attention based method to focus on informative…

Computer Vision and Pattern Recognition · Computer Science 2020-01-08 ZiChao Dong , JiLong Wu , TingTing Ren , Yue Wang , MengYing Ge

Learning-based binary hashing has become a powerful paradigm for fast search and retrieval in massive databases. However, due to the requirement of discrete outputs for the hash functions, learning such functions is known to be very…

Machine Learning · Computer Science 2017-08-15 Bo Dai , Ruiqi Guo , Sanjiv Kumar , Niao He , Le Song

In this paper we introduce a novel hash learning framework that has two main distinguishing features, when compared to past approaches. First, it utilizes codewords in the Hamming space as ancillary means to accomplish its hash learning…

Machine Learning · Computer Science 2015-08-19 Yinjie Huang , Michael Georgiopoulos , Georgios C. Anagnostopoulos

The explosive growth in big data has attracted much attention in designing efficient indexing and search methods recently. In many critical applications such as large-scale search and pattern matching, finding the nearest neighbors to a…

Machine Learning · Computer Science 2015-09-21 Jun Wang , Wei Liu , Sanjiv Kumar , Shih-Fu Chang

Due to its low storage cost and fast query speed, hashing has been widely used in large-scale image retrieval tasks. Hash bucket search returns data points within a given Hamming radius to each query, which can enable search at a constant…

Machine Learning · Computer Science 2024-05-07 Ming-Wei Li , Qing-Yuan Jiang , Wu-Jun Li

Due to its storage and retrieval efficiency, cross-modal hashing~(CMH) has been widely used for cross-modal similarity search in multimedia applications. According to the training strategy, existing CMH methods can be mainly divided into…

Information Retrieval · Computer Science 2017-07-27 Qing-Yuan Jiang , Wu-Jun Li

Fast similarity search is a key component in large-scale information retrieval, where semantic hashing has become a popular strategy for representing documents as binary hash codes. Recent advances in this area have been obtained through…

Information Retrieval · Computer Science 2019-06-04 Casper Hansen , Christian Hansen , Jakob Grue Simonsen , Stephen Alstrup , Christina Lioma

Image guidance is an effective strategy for depth super-resolution. Generally, most existing methods employ hand-crafted operators to decompose the high-frequency (HF) and low-frequency (LF) ingredients from low-resolution depth maps and…

Computer Vision and Pattern Recognition · Computer Science 2023-02-01 Jiayi Yuan , Haobo Jiang , Xiang Li , Jianjun Qian , Jun Li , Jian Yang

With the rapid development of GPU (Graphics Processing Unit) technologies and neural networks, we can explore more appropriate data structures and algorithms. Recent progress shows that neural networks can partly replace traditional data…

Information Retrieval · Computer Science 2023-10-17 Renyang Liu , Jun Zhao , Xing Chu , Yu Liang , Wei Zhou , Jing He

Hashing has been widely used in approximate nearest search for large-scale database retrieval for its computation and storage efficiency. Deep hashing, which devises convolutional neural network architecture to exploit and extract the…

Computer Vision and Pattern Recognition · Computer Science 2020-06-11 Xiaopeng Zhang

Learning compact binary codes for image retrieval task using deep neural networks has attracted increasing attention recently. However, training deep hashing networks for the task is challenging due to the binary constraints on the hash…

Computer Vision and Pattern Recognition · Computer Science 2018-12-19 Thanh-Toan Do , Tuan Hoang , Dang-Khoa Le Tan , Trung Pham , Huu Le , Ngai-Man Cheung , Ian Reid

Pansharpening enhances spatial details of high spectral resolution multispectral images using features of high spatial resolution panchromatic image. There are a number of traditional pansharpening approaches but producing an image…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Syeda Roshana Ali , Anis Ur Rahman , Muhammad Shahzad