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Deep learning methods have traditionally been difficult to apply to compression of hyperspectral images onboard of spacecrafts, due to the large computational complexity needed to achieve adequate representational power, as well as the lack…

图像与视频处理 · 电气工程与系统科学 2024-03-27 Diego Valsesia , Tiziano Bianchi , Enrico Magli

Deep hashing converts high-dimensional feature vectors into compact binary codes, enabling efficient large-scale retrieval. A fundamental challenge in deep hashing stems from the discrete nature of quantization in generating the codes.…

最优化与控制 · 数学 2025-12-09 Luxuan Li , Xiao Wang , Chunfeng Cui

Minwise hashing has become a standard tool to calculate signatures which allow direct estimation of Jaccard similarities. While very efficient algorithms already exist for the unweighted case, the calculation of signatures for weighted sets…

数据结构与算法 · 计算机科学 2018-07-24 Otmar Ertl

System-generated logs are typically converted into categorical log templates through parsing. These templates are crucial for generating actionable insights in various downstream tasks. However, existing parsers often fail to capture…

计算与语言 · 计算机科学 2025-06-03 Prerak Srivastava , Giulio Corallo , Sergey Rybalko

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…

计算机视觉与模式识别 · 计算机科学 2020-07-29 Pedro Morgado , Yunsheng Li , Jose Costa Pereira , Mohammad Saberian , Nuno Vasconcelos

Recent research has sought to accelerate cryptographic hash functions as they are at the core of modern cryptography. Traditional designs, however, suffer from the von Neumann bottleneck that originates from the separation of processing and…

硬件体系结构 · 计算机科学 2022-06-03 Batel Oved , Orian Leitersdorf , Ronny Ronen , Shahar Kvatinsky

Cross-modal hashing has been receiving increasing interests for its low storage cost and fast query speed in multi-modal data retrievals. However, most existing hashing methods are based on hand-crafted or raw level features of objects,…

机器学习 · 计算机科学 2019-05-14 Xuanwu Liu , Guoxian Yu , Carlotta Domeniconi , Jun Wang , Yazhou Ren , Maozu Guo

Hashing is a basic tool for dimensionality reduction employed in several aspects of machine learning. However, the perfomance analysis is often carried out under the abstract assumption that a truly random unit cost hash function is used,…

机器学习 · 统计学 2017-11-27 Søren Dahlgaard , Mathias Bæk Tejs Knudsen , Mikkel Thorup

In retrieval applications, binary hashes are known to offer significant improvements in terms of both memory and speed. We investigate the compression of sentence embeddings using a neural encoder-decoder architecture, which is trained by…

信息检索 · 计算机科学 2019-08-16 Felix Hamann , Nadja Kurz , Adrian Ulges

Due to their high retrieval efficiency and low storage cost, cross-modal hashing methods have attracted considerable attention. Generally, compared with shallow cross-modal hashing methods, deep cross-modal hashing methods can achieve a…

信息检索 · 计算机科学 2019-07-30 Rong-Cheng Tu , Xian-Ling Mao , Bing Ma , Yong Hu , Tan Yan , Wei Wei , Heyan Huang

Binarization is an extreme network compression approach that provides large computational speedups along with energy and memory savings, albeit at significant accuracy costs. We investigate the question of where to binarize inputs at…

计算机视觉与模式识别 · 计算机科学 2018-04-12 Ameya Prabhu , Vishal Batchu , Rohit Gajawada , Sri Aurobindo Munagala , Anoop Namboodiri

We formalize the univariate fragment of Ben-Or, Kozen, and Reif's (BKR) decision procedure for first-order real arithmetic in Isabelle/HOL. BKR's algorithm has good potential for parallelism and was designed to be used in practice. Its key…

计算机科学中的逻辑 · 计算机科学 2021-08-16 Katherine Cordwell , Yong Kiam Tan , André Platzer

Input binarization has shown to be an effective way for network acceleration. However, previous binarization scheme could be regarded as simple pixel-wise thresholding operations (i.e., order-one approximation) and suffers a big accuracy…

计算机视觉与模式识别 · 计算机科学 2017-08-30 Zefan Li , Bingbing Ni , Wenjun Zhang , Xiaokang Yang , Wen Gao

Lightweight hash functions have become important building blocks for security in embedded and IoT systems. A plethora of algorithms have been proposed and standardized, providing a wide range of performance trade-off options for developers…

密码学与安全 · 计算机科学 2025-08-12 Mohsin Khan , Dag Johansen , Håvard Dagenborg

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…

机器学习 · 计算机科学 2019-02-26 Yinjie Huang , Michael Georgiopoulos , Georgios C. Anagnostopoulos

More and more orgainizations and institutions make efforts on using external data to improve the performance of AI services. To address the data privacy and security concerns, federated learning has attracted increasing attention from both…

密码学与安全 · 计算机科学 2021-12-09 Wuxing Xu , Hao Fan , Kaixin Li , Kai Yang

Random hashing can provide guarantees regarding the performance of data structures such as hash tables---even in an adversarial setting. Many existing families of hash functions are universal: given two data objects, the probability that…

数据结构与算法 · 计算机科学 2018-10-16 Dmytro Ivanchykhin , Sergey Ignatchenko , Daniel Lemire

Weight-sharing plays a significant role in the success of many deep neural networks, by increasing memory efficiency and incorporating useful inductive priors about the problem into the network. But understanding how weight-sharing can be…

机器学习 · 计算机科学 2023-12-15 Oscar Chang , Hod Lipson

This paper examines the graph partition problem and introduces a new metric, MSIDS (maximal sum of inner degrees squared). We establish its connection to the replication factor (RF) optimization, which has been the main focus of theoretical…

数据结构与算法 · 计算机科学 2024-04-12 Anna Mastikhina , Oleg Senkevich , Dmitry Sirotkin , Danila Demin , Stanislav Moiseev

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