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Hashing has emerged as a popular technique for large-scale similarity search. Most learning-based hashing methods generate compact yet correlated hash codes. However, this redundancy is storage-inefficient. Hence we propose a lossless…

计算机视觉与模式识别 · 计算机科学 2016-03-18 Honghai Yu , Pierre Moulin , Hong Wei Ng , Xiaoli Li

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,…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Qiang Zou , Shuli Cheng , Jiayi Chen

Locality-sensitive hashing (LSH) is an important tool for managing high-dimensional noisy or uncertain data, for example in connection with data cleaning (similarity join) and noise-robust search (similarity search). However, for a number…

数据结构与算法 · 计算机科学 2018-04-18 Martin Aumüller , Tobias Christiani , Rasmus Pagh , Francesco Silvestri

Reinforcement learning from human feedback (RLHF) has evolved to be one of the main methods for fine-tuning large language models (LLMs). However, existing RLHF methods are non-robust, and their performance deteriorates if the downstream…

机器学习 · 计算机科学 2025-03-04 Debmalya Mandal , Paulius Sasnauskas , Goran Radanovic

Recently, deep cross-modal hashing has gained increasing attention. However, in many practical cases, data are distributed and cannot be collected due to privacy concerns, which greatly reduces the cross-modal hashing performance on each…

机器学习 · 计算机科学 2022-10-31 Jiale Liu , Yu-Wei Zhan , Xin Luo , Zhen-Duo Chen , Yongxin Wang , Xin-Shun Xu

Cross-modal hashing still has some challenges needed to address: (1) most existing CMH methods take graphs as input to model data distribution. These methods omit to consider the correlation of graph structure among multiple modalities; (2)…

计算机视觉与模式识别 · 计算机科学 2022-02-10 Lu Wang , Jie Yang , Masoumeh Zareapoor , Zhonglong Zheng

Similarity search is critical for many database applications, including the increasingly popular online services for Content-Based Multimedia Retrieval (CBMR). These services, which include image search engines, must handle an overwhelming…

分布式、并行与集群计算 · 计算机科学 2013-10-16 Thiago S. F. X. Teixeira , George Teodoro , Eduardo Valle , Joel H. Saltz

Recent years have seen more and more demand for a unified framework to address multiple realistic image retrieval tasks concerning both category and attributes. Considering the scale of modern datasets, hashing is favorable for its low…

计算机视觉与模式识别 · 计算机科学 2016-07-20 Haomiao Liu , Ruiping Wang , Shiguang Shan , Xilin Chen

In this paper, we make the very first attempt to investigate the integration of deep hash learning with vehicle re-identification. We propose a deep hash-based vehicle re-identification framework, dubbed DVHN, which substantially reduces…

计算机视觉与模式识别 · 计算机科学 2021-12-10 Yongbiao Chen , Sheng Zhang , Fangxin Liu , Chenggang Wu , Kaicheng Guo , Zhengwei Qi

Efficient similarity retrieval from large-scale multimodal database is pervasive in modern search engines and social networks. To support queries across content modalities, the system should enable cross-modal correlation and…

信息检索 · 计算机科学 2016-05-24 Mingsheng Long , Yue Cao , Jianmin Wang , Philip S. Yu

With the rapid growth of various types of multimodal data, cross-modal deep hashing has received broad attention for solving cross-modal retrieval problems efficiently. Most cross-modal hashing methods follow the traditional supervised…

信息检索 · 计算机科学 2019-02-05 Shifeng Zhang , Jianmin Li , Bo Zhang

Multimodal Sentiment Analysis (MSA) leverages heterogeneous modalities, such as language, vision, and audio, to enhance the understanding of human sentiment. While existing models often focus on extracting shared information across…

机器学习 · 计算机科学 2025-04-10 Pan Wang , Qiang Zhou , Yawen Wu , Tianlong Chen , Jingtong Hu

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…

信息检索 · 计算机科学 2020-03-25 Yang Xu , Lei Zhu , Zhiyong Cheng , Jingjing Li , Jiande Sun

Federated Learning (FL) solutions with central Differential Privacy (DP) have seen large improvements in their utility in recent years arising from the matrix mechanism, while FL solutions with distributed (more private) DP have lagged…

密码学与安全 · 计算机科学 2025-06-18 Alexander Bienstock , Ujjwal Kumar , Antigoni Polychroniadou

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…

计算机视觉与模式识别 · 计算机科学 2021-07-14 Chaoyou Fu , Guoli Wang , Xiang Wu , Qian Zhang , Ran He

Cross-modal hashing facilitates mapping of heterogeneous multimedia data into a common Hamming space, which can beutilized for fast and flexible retrieval across different modalities. In this paper, we propose a novel cross-modal…

计算机视觉与模式识别 · 计算机科学 2020-04-08 Fariborz Taherkhani , Veeru Talreja , Matthew C. Valenti , Nasser M. Nasrabadi

Deep hashing methods have received much attention recently, which achieve promising results by taking advantage of the strong representation power of deep networks. However, most existing deep hashing methods learn a whole set of hashing…

计算机视觉与模式识别 · 计算机科学 2019-02-26 Yuxin Peng , Jian Zhang , Zhaoda Ye

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…

计算机视觉与模式识别 · 计算机科学 2021-12-24 Jianglin Lu , Hailing Wang , Jie Zhou , Mengfan Yan , Jiajun Wen

In this paper, we present a new method, Transductive Multi-Head Few-Shot learning (TMHFS), to address the Cross-Domain Few-Shot Learning (CD-FSL) challenge. The TMHFS method extends the Meta-Confidence Transduction (MCT) and Dense…

计算机视觉与模式识别 · 计算机科学 2020-06-23 Jianan Jiang , Zhenpeng Li , Yuhong Guo , Jieping Ye

Recent years have witnessed wide application of hashing for large-scale image retrieval. However, most existing hashing methods are based on hand-crafted features which might not be optimally compatible with the hashing procedure. Recently,…

机器学习 · 计算机科学 2016-04-22 Wu-Jun Li , Sheng Wang , Wang-Cheng Kang