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Related papers: Unsupervised Hashing with Semantic Concept Mining

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Deep vision models often rely on biases learned from spurious correlations in datasets. To identify these biases, methods that interpret high-level, human-understandable concepts are more effective than those relying primarily on low-level…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 David Méndez , Gianpaolo Bontempo , Elisa Ficarra , Roberto Confalonieri , Natalia Díaz-Rodríguez

This paper investigates the problem of image classification with limited or no annotations, but abundant unlabeled data. The setting exists in many tasks such as semi-supervised image classification, image clustering, and image retrieval.…

Computer Vision and Pattern Recognition · Computer Science 2016-02-05 Dengxin Dai , Luc Van Gool

Vision-language models (VLMs) have demonstrated remarkable potential in integrating visual and linguistic information, but their performance is often constrained by the need for extensive, high-quality image-text training data. Curation of…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Giorgio Giannone , Ruoteng Li , Qianli Feng , Evgeny Perevodchikov , Rui Chen , Aleix Martinez

Driven by the urgent demand for managing remote sensing big data, large-scale remote sensing image retrieval (RSIR) attracts increasing attention in the remote sensing field. In general, existing retrieval methods can be regarded as…

Computer Vision and Pattern Recognition · Computer Science 2019-09-11 Weiwei Song , Shutao Li , Jon Atli Benediktsson

Developing inherently interpretable models for prediction has gained prominence in recent years. A subclass of these models, wherein the interpretable network relies on learning high-level concepts, are valued because of closeness of…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Jayneel Parekh , Quentin Bouniot , Pavlo Mozharovskyi , Alasdair Newson , Florence d'Alché-Buc

Image fusion methods and metrics for their evaluation have conventionally used pixel-based or low-level features. However, for many applications, the aim of image fusion is to effectively combine the semantic content of the input images.…

Computer Vision and Pattern Recognition · Computer Science 2021-10-14 P. R. Hill , D. R. Bull

In zero-shot image recognition tasks, humans demonstrate remarkable flexibility in classifying unseen categories by composing known simpler concepts. However, existing vision-language models (VLMs), despite achieving significant progress…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Hui Liu , Wenya Wang , Kecheng Chen , Jie Liu , Yibing Liu , Tiexin Qin , Peisong He , Xinghao Jiang , Haoliang Li

Many unsupervised hashing methods are implicitly established on the idea of reconstructing the input data, which basically encourages the hashing codes to retain as much information of original data as possible. However, this requirement…

Computer Vision and Pattern Recognition · Computer Science 2021-05-20 Zexuan Qiu , Qinliang Su , Zijing Ou , Jianxing Yu , Changyou Chen

Existing unsupervised hash learning is a kind of attribute-centered calculation. It may not accurately preserve the similarity between data. This leads to low down the performance of hash function learning. In this paper, a hash algorithm…

Machine Learning · Computer Science 2022-06-07 Shichao Zhang , Jiaye Li

Subtype Discovery consists in finding interpretable and consistent sub-parts of a dataset, which are also relevant to a certain supervised task. From a mathematical point of view, this can be defined as a clustering task driven by…

Machine Learning · Statistics 2021-07-06 Robin Louiset , Pietro Gori , Benoit Dufumier , Josselin Houenou , Antoine Grigis , Edouard Duchesnay

Self-supervised vision-language pretraining from pure images and text with a contrastive loss is effective, but ignores fine-grained alignment due to a dual-stream architecture that aligns image and text representations only on a global…

Computer Vision and Pattern Recognition · Computer Science 2022-07-29 Zaid Khan , Vijay Kumar BG , Xiang Yu , Samuel Schulter , Manmohan Chandraker , Yun Fu

The goal of unpaired image captioning (UIC) is to describe images without using image-caption pairs in the training phase. Although challenging, we except the task can be accomplished by leveraging a training set of images aligned with…

Computer Vision and Pattern Recognition · Computer Science 2022-03-08 Peipei Zhu , Xiao Wang , Yong Luo , Zhenglong Sun , Wei-Shi Zheng , Yaowei Wang , Changwen Chen

This paper aims for the language-based product image retrieval task. The majority of previous works have made significant progress by designing network structure, similarity measurement, and loss function. However, they typically perform…

Computer Vision and Pattern Recognition · Computer Science 2021-02-19 Zhe Ma , Fenghao Liu , Jianfeng Dong , Xiaoye Qu , Yuan He , Shouling Ji

Deep clustering against self-supervised learning is a very important and promising direction for unsupervised visual representation learning since it requires little domain knowledge to design pretext tasks. However, the key component,…

Computer Vision and Pattern Recognition · Computer Science 2020-08-21 Weijie Chen , Shiliang Pu , Di Xie , Shicai Yang , Yilu Guo , Luojun Lin

In recent years, deep-networks-based hashing has become a leading approach for large-scale image retrieval. Most deep hashing approaches use the high layer to extract the powerful semantic representations. However, these methods have…

Computer Vision and Pattern Recognition · Computer Science 2019-04-05 Yifan Yang , Libing Geng , Hanjiang Lai , Yan Pan , Jian Yin

Aiming at improving performance of visual classification in a cost-effective manner, this paper proposes an incremental semi-supervised learning paradigm called Deep Co-Space (DCS). Unlike many conventional semi-supervised learning methods…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Ziliang Chen , Keze Wang , Xiao Wang , Pai Peng , Ebroul Izquierdo , Liang Lin

Homography estimation is a basic image alignment method in many applications. It is usually conducted by extracting and matching sparse feature points, which are error-prone in low-light and low-texture images. On the other hand, previous…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Jirong Zhang , Chuan Wang , Shuaicheng Liu , Lanpeng Jia , Nianjin Ye , Jue Wang , Ji Zhou , Jian Sun

While recent vision-and-language models (VLMs) like CLIP are a powerful tool for analyzing text and images in a shared semantic space, they do not explicitly model the hierarchical nature of the set of texts which may describe an image.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Morris Alper , Hadar Averbuch-Elor

We present MIX'EM, a novel solution for unsupervised image classification. MIX'EM generates representations that by themselves are sufficient to drive a general-purpose clustering algorithm to deliver high-quality classification. This is…

Computer Vision and Pattern Recognition · Computer Science 2020-10-06 Ali Varamesh , Tinne Tuytelaars

Tissue semantic segmentation is one of the key tasks in computational pathology. To avoid the expensive and laborious acquisition of pixel-level annotations, a wide range of studies attempt to adopt the class activation map (CAM), a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Zijie Fang , Yifeng Wang , Peizhang Xie , Zhi Wang , Yongbing Zhang