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NeRF-based SLAM has recently achieved promising results in tracking and reconstruction. However, existing methods face challenges in providing sufficient scene representation, capturing structural information, and maintaining global…

计算机视觉与模式识别 · 计算机科学 2025-03-28 Ziren Gong , Fabio Tosi , Youmin Zhang , Stefano Mattoccia , Matteo Poggi

This work proposes deep network models and learning algorithms for unsupervised and supervised binary hashing. Our novel network design constrains one hidden layer to directly output the binary codes. This addresses a challenging issue in…

计算机视觉与模式识别 · 计算机科学 2016-07-19 Thanh-Toan Do , Anh-Dzung Doan , Ngai-Man Cheung

In this paper, we propose an algorithm, named hashing-based non-maximum suppression (HNMS) to efficiently suppress the non-maximum boxes for object detection. Non-maximum suppression (NMS) is an essential component to suppress the boxes at…

计算机视觉与模式识别 · 计算机科学 2020-05-26 Jianfeng Wang , Xi Yin , Lijuan Wang , Lei Zhang

Mobile landmark search (MLS) recently receives increasing attention for its great practical values. However, it still remains unsolved due to two important challenges. One is high bandwidth consumption of query transmission, and the other…

计算机视觉与模式识别 · 计算机科学 2017-07-14 Lei Zhu , Zi Huang , Xiaobai Liu , Xiangnan He , Jingkuan Song , Xiaofang Zhou

Deep online cross-modal hashing has gained much attention from researchers recently, as its promising applications with low storage requirement, fast retrieval efficiency and cross modality adaptive, etc. However, there still exists some…

计算机视觉与模式识别 · 计算机科学 2025-03-03 Jiaxing Li , Lin Jiang , Zeqi Ma , Kaihang Jiang , Xiaozhao Fang , Jie Wen

In this paper, a renewable, multi-use, multi-secret sharing scheme for general access structure based on one-way collision resistant hash function is presented in which each participant has to carry only one share. By applying…

密码学与安全 · 计算机科学 2019-07-09 Angsuman Das , Avishek Adhikari

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

This paper addresses the problem of learning binary hash codes for large scale image search by proposing a novel hashing method based on deep neural network. The advantage of our deep model over previous deep model used in hashing is that…

计算机视觉与模式识别 · 计算机科学 2015-08-31 Thanh-Toan Do , Anh-Zung Doan , Ngai-Man Cheung

Hashing methods have been recently found very effective in retrieval of remote sensing (RS) images due to their computational efficiency and fast search speed. The traditional hashing methods in RS usually exploit hand-crafted features to…

计算机视觉与模式识别 · 计算机科学 2021-01-07 Subhankar Roy , Enver Sangineto , Begüm Demir , Nicu Sebe

Self-supervised hyperspectral image (HSI) clustering remains a fundamental yet challenging task due to the absence of labeled data and the inherent complexity of spatial-spectral interactions. While recent advancements have explored…

图像与视频处理 · 电气工程与系统科学 2025-02-10 Yao Ding , Zhili Zhang , Aitao Yang , Yaoming Cai , Xiongwu Xiao , Danfeng Hong , Junsong Yuan

Image-text matching has been a long-standing problem, which seeks to connect vision and language through semantic understanding. Due to the capability to manage large-scale raw data, unsupervised hashing-based approaches have gained…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Fan Zhang , Xian-Sheng Hua , Chong Chen , Xiao Luo

The simple approach of retrieving a closest match of a query image from one in the gallery, compares an image pair using sum of absolute difference in pixel or feature space. The process is computationally expensive, ill-posed to…

计算机视觉与模式识别 · 计算机科学 2019-07-02 Saket Singh , Debdoot Sheet , Mithun Dasgupta

Estimating correspondences between pairs of non-rigid deformable 3D shapes remains a significant challenge in computer vision and graphics. While deep functional map methods have become the go-to solution for addressing this problem, they…

计算机视觉与模式识别 · 计算机科学 2026-03-20 Feifan Luo , Hongyang Chen

Finding similar images is a necessary operation in many multimedia applications. Images are often represented and stored as a set of high-dimensional features, which are extracted using localized feature extraction algorithms. Locality…

多媒体 · 计算机科学 2020-10-16 Omid Jafari , Parth Nagarkar , Jonathan Montaño

We consider a new construction of locality-sensitive hash functions for Hamming space that is \emph{covering} in the sense that is it guaranteed to produce a collision for every pair of vectors within a given radius $r$. The construction is…

数据结构与算法 · 计算机科学 2016-01-08 Rasmus Pagh

Image harmonization aims to improve the quality of image compositing by matching the "appearance" (\eg, color tone, brightness and contrast) between foreground and background images. However, collecting large-scale annotated datasets for…

计算机视觉与模式识别 · 计算机科学 2021-08-19 Yifan Jiang , He Zhang , Jianming Zhang , Yilin Wang , Zhe Lin , Kalyan Sunkavalli , Simon Chen , Sohrab Amirghodsi , Sarah Kong , Zhangyang Wang

Existing state-of-the-art 3D point cloud understanding methods merely perform well in a fully supervised manner. To the best of our knowledge, there exists no unified framework that simultaneously solves the downstream high-level…

计算机视觉与模式识别 · 计算机科学 2023-12-05 Kangcheng Liu

Multi-view graph data, which both captures node attributes and rich relational information from diverse sources, is becoming increasingly prevalent in various domains. The effective and efficient retrieval of such data is an important task.…

信息检索 · 计算机科学 2025-08-19 Yang Xu , Zuliang Yang , Kai Ming Ting

Robust point cloud registration is a fundamental task in 3D computer vision and geometric deep learning, essential for applications such as large-scale 3D reconstruction, augmented reality, and scene understanding. However, the performance…

计算机视觉与模式识别 · 计算机科学 2026-03-16 Dongxu Zhang , Yingsen Wang , Yiding Sun , Haoran Xu , Peilin Fan , Jihua Zhu

The adoption of an appropriate approximate similarity search method is an essential prereq-uisite for developing a fast and efficient CBIR system, especially when dealing with large amount ofdata. In this study we implement a web image…

计算机视觉与模式识别 · 计算机科学 2021-05-05 Alessio Schiavo , Filippo Minutella , Mattia Daole , Marsha Gomez Gomez