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Related papers: Voronoi Diagram Encoded Hashing

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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

This paper studies a deep learning (DL) framework for the design of binary modulated visible light communication (VLC) transceiver with universal dimming support. The dimming control for the optical binary signal boils down to a…

Information Theory · Computer Science 2019-10-29 Hoon Lee , Tony Q. S. Quek , Sang Hyun Lee

Deep hashing has shown promising performance in large-scale image retrieval. However, latent codes extracted by Deep Neural Networks (DNNs) will inevitably lose semantic information during the binarization process, which damages the…

Computer Vision and Pattern Recognition · Computer Science 2022-01-13 Chengyin Xu , Zenghao Chai , Zhengzhuo Xu , Hongjia Li , Qiruyi Zuo , Lingyu Yang , Chun Yuan

Hierarchical VAEs have emerged in recent years as a reliable option for maximum likelihood estimation. However, instability issues and demanding computational requirements have hindered research progress in the area. We present simple…

Machine Learning · Computer Science 2022-04-29 Louay Hazami , Rayhane Mama , Ragavan Thurairatnam

This paper explores a new framework for lossy image encryption and decryption using a simple shallow encoder neural network E for encryption, and a complex deep decoder neural network D for decryption. E is kept simple so that encoding can…

Machine Learning · Computer Science 2020-05-19 Chirag Gupta

We use a sample of 350 star-forming galaxies at $1.25<z<2.66$ from the MOSFIRE Deep Evolution Field survey to demonstrate an improved Voronoi binning technique that we use to study the properties of resolved stellar populations in $z\sim2$…

Deep convolutional neural networks (CNNs) have shown appealing performance on various computer vision tasks in recent years. This motivates people to deploy CNNs to realworld applications. However, most of state-of-art CNNs require large…

Computer Vision and Pattern Recognition · Computer Science 2018-02-09 Qinghao Hu , Peisong Wang , Jian Cheng

Similarity-preserving hashing is a widely-used method for nearest neighbour search in large-scale image retrieval tasks. There has been considerable research on generating efficient image representation via the deep-network-based hashing…

Computer Vision and Pattern Recognition · Computer Science 2017-10-20 Hanjiang Lai , Yan Pan

Lossless image compression is required in various applications to reduce storage or transmission costs of images, while requiring the reconstructed images to have zero information loss compared to the original. Existing lossless image…

Information Theory · Computer Science 2024-09-12 Samar Agnihotri , Renu Rameshan , Ritwik Ghosal

Online image hashing has attracted increasing research attention recently, which receives large-scale data in a streaming manner to update the hash functions on-the-fly. Its key challenge lies in the difficulty of balancing the learning…

Information Retrieval · Computer Science 2020-01-23 Mingbao Lin , Rongrong Ji , Hong Liu , Xiaoshuai Sun , Shen Chen , Qi Tian

The area query, to find all elements contained in a specified area from a certain set of spatial objects, is a very important spatial query widely required in various fields. A number of approaches have been proposed to implement this…

Databases · Computer Science 2020-03-31 Yang Li

Fine-grained image hashing is a challenging problem due to the difficulties of discriminative region localization and hash code generation. Most existing deep hashing approaches solve the two tasks independently. While these two tasks are…

Computer Vision and Pattern Recognition · Computer Science 2019-11-20 Haien Zeng , Hanjiang Lai , Jian Yin

We present a new algorithm that produces a well-spaced superset of points conforming to a given input set in any dimension with guaranteed optimal output size. We also provide an approximate Delaunay graph on the output points. Our…

Computational Geometry · Computer Science 2013-04-03 Gary L. Miller , Donald R. Sheehy , Ameya Velingker

To date, location privacy protection is a critical issue in Location-Based Services (LBS). In this work, we propose a novel geometric framework based on the classical discrete geometric structure, the Voronoi-Delaunay duality (VDD). We…

Computational Geometry · Computer Science 2019-06-24 Wei Zeng , Abdur B. Shahid , Keyan Zolfaghari , Aditya Shetty , Niki Pissinou , Sitharama S. Iyengar

Vulnerability prediction is valuable in identifying security issues efficiently, even though it requires the source code of the target software system, which is a restrictive hypothesis. This paper presents an experimental study to predict…

Cryptography and Security · Computer Science 2025-04-01 D. Cotroneo , F. C. Grasso , R. Natella , V. Orbinato

In this paper, we propose a novel hash learning approach that has the following main distinguishing features, when compared to past frameworks. First, the codewords are utilized in the Hamming space as ancillary techniques to accomplish its…

Machine Learning · Computer Science 2019-02-26 Yinjie Huang , Michael Georgiopoulos , Georgios C. Anagnostopoulos

Visual localization algorithms have achieved significant improvements in performance thanks to recent advances in camera technology and vision-based techniques. However, there remains one critical caveat: all current approaches that are…

Computer Vision and Pattern Recognition · Computer Science 2019-07-01 Huu Le , Tuan Hoang , Michael Milford

Binary neural networks (BNNs) have shown an immense promise for resource-constrained edge artificial intelligence (AI) platforms as their binarized weights and inputs can significantly reduce the compute, storage and communication costs.…

Emerging Technologies · Computer Science 2023-06-09 Karam Cho , Sumeet Kumar Gupta

Can we sense our location in an unfamiliar environment by taking a sublinear-size sample of our surroundings? Can we efficiently encrypt a message that only someone physically close to us can decrypt? To solve this kind of problems, we…

Data Structures and Algorithms · Computer Science 2022-01-11 Elette Boyle , Itai Dinur , Niv Gilboa , Yuval Ishai , Nathan Keller , Ohad Klein

We consider problem of constructing purely Voronoi mesh where the union of uncut Voronoi cells approximates the planar computational domain with piecewise-smooth boundary. Smooth boundary fragments are approximated by the Voronoi edges and…

Numerical Analysis · Mathematics 2018-09-17 V. A. Garanzha , L. N. Kudryavtseva , V. O. Tsvetkova