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Unsupervised cross-modal hashing (UCMH) has become a hot topic recently. Current UCMH focuses on exploring data similarities. However, current UCMH methods calculate the similarity between two data, mainly relying on the two data's…

信息检索 · 计算机科学 2020-12-29 Jun Yu , Hao Zhou , Yibing Zhan , Dacheng Tao

Deep image hashing aims to map input images into simple binary hash codes via deep neural networks and thus enable effective large-scale image retrieval. Recently, hybrid networks that combine convolution and Transformer have achieved…

计算机视觉与模式识别 · 计算机科学 2024-05-15 Chao He , Hongxi Wei

With the increasing demand of massive multimodal data storage and organization, cross-modal retrieval based on hashing technique has drawn much attention nowadays. It takes the binary codes of one modality as the query to retrieve the…

计算机视觉与模式识别 · 计算机科学 2017-08-25 Xuelong Li , Di Hu , Feiping Nie

Research and education in machine learning needs diverse, representative, and open datasets that contain sufficient samples to handle the necessary training, validation, and testing tasks. Currently, the Recommender Systems area includes a…

信息检索 · 计算机科学 2023-03-03 Jesús Bobadilla , Abraham Gutiérrez , Raciel Yera , Luis Martínez

Unsupervised hashing methods have attracted widespread attention with the explosive growth of large-scale data, which can greatly reduce storage and computation by learning compact binary codes. Existing unsupervised hashing methods attempt…

计算机视觉与模式识别 · 计算机科学 2023-01-09 Huibing Wang , Mingze Yao , Guangqi Jiang , Zetian Mi , Xianping Fu

Image clustering has recently attracted significant attention due to the increased availability of unlabelled datasets. The efficiency of traditional clustering algorithms heavily depends on the distance functions used and the…

计算机视觉与模式识别 · 计算机科学 2024-09-30 Foivos Ntelemis , Yaochu Jin , Spencer A. Thomas

Generative adversarial networks (GANs) are deep neural networks that allow us to sample from an arbitrary probability distribution without explicitly estimating the distribution. There is a generator that takes a latent vector as input and…

机器学习 · 计算机科学 2021-06-22 Alper Ahmetoğlu , Ethem Alpaydın

Cross-modal hashing (CMH) is one of the most promising methods in cross-modal approximate nearest neighbor search. Most CMH solutions ideally assume the labels of training and testing set are identical. However, the assumption is often…

计算机视觉与模式识别 · 计算机科学 2021-11-09 Runmin Wang , Guoxian Yu , Lei Liu , Lizhen Cui , Carlotta Domeniconi , Xiangliang Zhang

In this paper, we investigate algorithms for anomaly detection. Previous anomaly detection methods focus on modeling the distribution of non-anomalous data provided during training. However, this does not necessarily ensure the correct…

机器学习 · 计算机科学 2020-05-29 Ziyi Yang , Iman Soltani Bozchalooi , Eric Darve

Improving the aesthetic quality of images is challenging and eager for the public. To address this problem, most existing algorithms are based on supervised learning methods to learn an automatic photo enhancer for paired data, which…

计算机视觉与模式识别 · 计算机科学 2021-01-06 Zhangkai Ni , Wenhan Yang , Shiqi Wang , Lin Ma , Sam Kwong

Deep unsupervised hashing has been appreciated in the regime of image retrieval. However, most prior arts failed to detect the semantic components and their relationships behind the images, which makes them lack discriminative power. To…

计算机视觉与模式识别 · 计算机科学 2022-04-19 Qinghong Lin , Xiaojun Chen , Qin Zhang , Shaotian Cai , Wenzhe Zhao , Hongfa Wang

Contrastive learning has demonstrated strong performance in attributed hypergraph clustering. Typically, existing methods based on contrastive learning first learn node embeddings and then apply clustering algorithms, such as k-means, to…

机器学习 · 计算机科学 2026-03-11 Li Ni , Shuaikang Zeng , Lin Mu , Longlong Lin

Due to the large footprint of pixels in remote sensing imagery, hyperspectral unmixing (HU) has become an important and necessary procedure in hyperspectral image analysis. Traditional HU methods rely on a prior spectral mixing model,…

计算机视觉与模式识别 · 计算机科学 2026-04-02 Maofeng Tang , Hairong Qi

We introduce the Metropolis-Hastings generative adversarial network (MH-GAN), which combines aspects of Markov chain Monte Carlo and GANs. The MH-GAN draws samples from the distribution implicitly defined by a GAN's discriminator-generator…

机器学习 · 统计学 2019-05-21 Ryan Turner , Jane Hung , Eric Frank , Yunus Saatci , Jason Yosinski

Auto-encoding generative adversarial networks (GANs) combine the standard GAN algorithm, which discriminates between real and model-generated data, with a reconstruction loss given by an auto-encoder. Such models aim to prevent mode…

机器学习 · 统计学 2017-10-24 Mihaela Rosca , Balaji Lakshminarayanan , David Warde-Farley , Shakir Mohamed

A good representation for arbitrarily complicated data should have the capability of semantic generation, clustering and reconstruction. Previous research has already achieved impressive performance on either one. This paper aims at…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Yuqian Zhou , Kuangxiao Gu , Thomas Huang

Clustering models constitute a class of unsupervised machine learning methods which are used in a number of application pipelines, and play a vital role in modern data science. With recent advancements in deep learning -- deep clustering…

机器学习 · 计算机科学 2022-10-06 Anshuman Chhabra , Ashwin Sekhari , Prasant Mohapatra

Deep supervised hashing is essential for efficient storage and search in large-scale image retrieval. Traditional deep supervised hashing models generate single-length hash codes, but this creates a trade-off between efficiency and…

计算机视觉与模式识别 · 计算机科学 2025-06-02 Liyang He , Yuren Zhang , Rui Li , Zhenya Huang , Runze Wu , Enhong Chen

Hashing based cross-modal retrieval has recently made significant progress. But straightforward embedding data from different modalities into a joint Hamming space will inevitably produce false codes due to the intrinsic modality…

计算机视觉与模式识别 · 计算机科学 2020-10-07 Ge Song , Jun Zhao , Xiaoyang Tan

Supervised cross-modal hashing aims to embed the semantic correlations of heterogeneous modality data into the binary hash codes with discriminative semantic labels. Because of its advantages on retrieval and storage efficiency, it is…

信息检索 · 计算机科学 2022-03-22 Fengling Li , Tong Wang , Lei Zhu , Zheng Zhang , Xinhua Wang