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Related papers: Unsupervised Rank-Preserving Hashing for Large-Sca…

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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

Existing video hash functions are built on three isolated stages: frame pooling, relaxed learning, and binarization, which have not adequately explored the temporal order of video frames in a joint binary optimization model, resulting in…

Computer Vision and Pattern Recognition · Computer Science 2018-05-09 Jingkuan Song , Hanwang Zhang , Xiangpeng Li , Lianli Gao , Meng Wang , Richang Hong

Anomaly detection and localization without any manual annotations and prior knowledge is a challenging task under the setting of unsupervised learning. The existing works achieve excellent performance in the anomaly detection, but with…

Computer Vision and Pattern Recognition · Computer Science 2024-05-16 Honghui Chen , Pingping Chen , Huan Mao , Mengxi Jiang

Deep image generation is becoming a tool to enhance artists and designers creativity potential. In this paper, we aim at making the generation process more structured and easier to interact with. Inspired by vector graphics systems, we…

Computer Vision and Pattern Recognition · Computer Science 2019-07-09 Othman Sbai , Camille Couprie , Mathieu Aubry

Deep hamming hashing has gained growing popularity in approximate nearest neighbour search for large-scale image retrieval. Until now, the deep hashing for the image retrieval community has been dominated by convolutional neural network…

Computer Vision and Pattern Recognition · Computer Science 2021-05-06 Yongbiao Chen , Sheng Zhang , Fangxin Liu , Zhigang Chang , Mang Ye , Zhengwei Qi

Image hash codes are produced by binarizing the embeddings of convolutional neural networks (CNN) trained for either classification or retrieval. While proxy embeddings achieve good performance on both tasks, they are non-trivial to…

Computer Vision and Pattern Recognition · Computer Science 2020-07-29 Pedro Morgado , Yunsheng Li , Jose Costa Pereira , Mohammad Saberian , Nuno Vasconcelos

Unsupervised feature learning has shown impressive results for a wide range of input modalities, in particular for object classification tasks in computer vision. Using a large amount of unlabeled data, unsupervised feature learning methods…

Computer Vision and Pattern Recognition · Computer Science 2013-04-26 Christian Osendorfer , Justin Bayer , Sebastian Urban , Patrick van der Smagt

The vulnerability in the algorithm supply chain of deep learning has imposed new challenges to image retrieval systems in the downstream. Among a variety of techniques, deep hashing is gaining popularity. As it inherits the algorithmic…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Yanru Xiao , Cong Wang , Xing Gao

Cross-modal retrieval aims to search for data with similar semantic meanings across different content modalities. However, cross-modal retrieval requires huge amounts of storage and retrieval time since it needs to process data in multiple…

Information Retrieval · Computer Science 2022-02-22 Yang Shi , Young-joo Chung

Recently, similarity-preserving hashing methods have been extensively studied for large-scale image retrieval. Compared with unsupervised hashing, supervised hashing methods for labeled data have usually better performance by utilizing…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Rong-Cheng Tu , Xian-Ling Mao , Bo-Si Feng , Bing-Bing Bian , Yu-shu Ying

This paper presents a robust and comprehensive graph-based rank aggregation approach, used to combine results of isolated ranker models in retrieval tasks. The method follows an unsupervised scheme, which is independent of how the isolated…

Information Retrieval · Computer Science 2019-03-25 Icaro Cavalcante Dourado , Daniel Carlos Guimarães Pedronette , Ricardo da Silva Torres

To overcome the barrier of storage and computation, the hashing technique has been widely used for nearest neighbor search in multimedia retrieval applications recently. Particularly, cross-modal retrieval that searches across different…

Information Retrieval · Computer Science 2019-05-16 Sarawut Markchit , Chih-Yi Chiu

Learning to hash pictures a list-wise sorting problem. Its testing metrics, e.g., mean-average precision, count on a sorted candidate list ordered by pair-wise code similarity. However, scarcely does one train a deep hashing model with the…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Jiaguo Yu , Yuming Shen , Menghan Wang , Haofeng Zhang , Philip H. S. Torr

Over the years, computer vision researchers have spent an immense amount of effort on designing image features for the visual object recognition task. We propose to incorporate this valuable experience to guide the task of training deep…

Computer Vision and Pattern Recognition · Computer Science 2016-11-15 Ming-Yu Liu , Arun Mallya , Oncel C. Tuzel , Xi Chen

Recent advances in image authenticity have primarily focused on deepfake detection and localization, leaving recovery of tampered contents for factual retrieval relatively underexplored. We propose a unified hidden-code recovery framework…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Yuan-Chih Chen , Chun-Shien Lu

Compared with the traditional hashing methods, deep hashing methods generate hash codes with rich semantic information and greatly improves the performances in the image retrieval field. However, it is unsatisfied for current deep hashing…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Hai Su , Meiyin Han , Junle Liang , Jun Liang , Songsen Yu

Recent years have witnessed extensive attention in binary code learning, a.k.a. hashing, for nearest neighbor search problems. It has been seen that high-dimensional data points can be quantized into binary codes to give an efficient…

Computer Vision and Pattern Recognition · Computer Science 2016-11-22 Hong Liu , Rongrong Ji , Yongjian Wu , Feiyue Huang

Effective retrieval across both seen and unseen categories is crucial for modern image retrieval systems. Retrieval on seen categories ensures precise recognition of known classes, while retrieval on unseen categories promotes…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 Xiaoxu Ma , Runhao Li , Xiangbo Zhang , Zhenyu Weng

Hashing that projects data into binary codes has shown extraordinary talents in cross-modal retrieval due to its low storage usage and high query speed. Despite their empirical success on some scenarios, existing cross-modal hashing methods…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Yufeng Shi , Xinge You , Jiamiao Xu , Feng Zheng , Qinmu Peng , Weihua Ou

Semantic hashing is an emerging technique for large-scale similarity search based on representing high-dimensional data using similarity-preserving binary codes used for efficient indexing and search. It has recently been shown that…

Machine Learning · Computer Science 2023-08-11 Ricardo Ñanculef , Francisco Mena , Antonio Macaluso , Stefano Lodi , Claudio Sartori