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Binary neural networks (BNNs) have attracted broad research interest due to their efficient storage and computational ability. Nevertheless, a significant challenge of BNNs lies in handling discrete constraints while ensuring bit entropy…

计算机视觉与模式识别 · 计算机科学 2022-10-05 Mingbao Lin , Rongrong Ji , Zihan Xu , Baochang Zhang , Fei Chao , Chia-Wen Lin , Ling Shao

Binary Neural Network (BNN) represents convolution weights with 1-bit values, which enhances the efficiency of storage and computation. This paper is motivated by a previously revealed phenomenon that the binary kernels in successful BNNs…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Yikai Wang , Wenbing Huang , Yinpeng Dong , Fuchun Sun , Anbang Yao

Near-duplicate text alignment is the task of identifying, among the texts in a corpus, all the subsequences (substrings) that are similar to a given query. Traditional approaches rely on seeding-extension-filtering heuristics, which lack…

数据库 · 计算机科学 2025-09-03 Yuheng Zhang , Miao Qiao , Zhencan Peng , Dong Deng

Along with data on the web increasing dramatically, hashing is becoming more and more popular as a method of approximate nearest neighbor search. Previous supervised hashing methods utilized similarity/dissimilarity matrix to get semantic…

计算机视觉与模式识别 · 计算机科学 2015-09-07 Jinma Guo , Jianmin Li

Due to the impressive learning power, deep learning has achieved a remarkable performance in supervised hash function learning. In this paper, we propose a novel asymmetric supervised deep hashing method to preserve the semantic structure…

计算机视觉与模式识别 · 计算机科学 2018-01-26 Jinxing Li , Bob Zhang , Guangming Lu , David Zhang

The study of hashing is closely related to the analysis of balls and bins. It is well-known that instead of using a single hash function if we randomly hash a ball into two bins and place it in the smaller of the two, then this dramatically…

数据结构与算法 · 计算机科学 2007-05-23 Rina Panigrahy

Recently, supervised hashing methods have attracted much attention since they can optimize retrieval speed and storage cost while preserving semantic information. Because hashing codes learning is NP-hard, many methods resort to some form…

机器学习 · 计算机科学 2017-12-05 Zihao Hu , Xiyi Luo , Hongtao Lu , Yong Yu

A deep hashing model typically has two main learning objectives: to make the learned binary hash codes discriminative and to minimize a quantization error. With further constraints such as bit balance and code orthogonality, it is not…

计算机视觉与模式识别 · 计算机科学 2021-09-30 Jiun Tian Hoe , Kam Woh Ng , Tianyu Zhang , Chee Seng Chan , Yi-Zhe Song , Tao Xiang

Hashing has been widely used for large-scale search due to its low storage cost and fast query speed. By using supervised information, supervised hashing can significantly outperform unsupervised hashing. Recently, discrete supervised…

信息检索 · 计算机科学 2018-10-17 Qing-Yuan Jiang , Xue Cui , Wu-Jun Li

Nonnegative matrix factorization (NMF) is a powerful tool for data mining. However, the emergence of `big data' has severely challenged our ability to compute this fundamental decomposition using deterministic algorithms. This paper…

机器学习 · 统计学 2018-05-02 N. Benjamin Erichson , Ariana Mendible , Sophie Wihlborn , J. Nathan Kutz

Perfect hash functions can potentially be used to compress data in connection with a variety of data management tasks. Though there has been considerable work on how to construct good perfect hash functions, there is a gap between theory…

数据结构与算法 · 计算机科学 2007-05-23 Fabiano C. Botelho , Rasmus Pagh , Nivio Ziviani

With the explosive growth of image databases, deep hashing, which learns compact binary descriptors for images, has become critical for fast image retrieval. Many existing deep hashing methods leverage quantization loss, defined as distance…

计算机视觉与模式识别 · 计算机科学 2017-11-01 Yuefu Zhou , Shanshan Huang , Ya Zhang , Yanfeng Wang

The Minimum Weighted Feedback Arc Set (MWFAS) problem is closely related to the task of deriving a global ranking from pairwise comparisons. Recent work by He et al. (ICML 2022) advanced the state of the art on ranking benchmarks using…

信息检索 · 计算机科学 2025-12-05 Soroush Vahidi , Ioannis Koutis

We present a powerful new loss function and training scheme for learning binary hash codes with any differentiable model and similarity function. Our loss function improves over prior methods by using log likelihood loss on top of an…

机器学习 · 计算机科学 2018-10-03 Martin Loncaric , Bowei Liu , Ryan Weber

Unsupervised binary representation allows fast data retrieval without any annotations, enabling practical application like fast person re-identification and multimedia retrieval. It is argued that conflicts in binary space are one of the…

计算机视觉与模式识别 · 计算机科学 2020-11-23 Fangrui Liu , Zheng Liu

We propose a flexible procedure for large-scale image search by hash functions with kernels. Our method treats binary codes and pairwise semantic similarity as latent and observed variables, respectively, in a probabilistic model based on…

计算机视觉与模式识别 · 计算机科学 2016-04-26 Bahadir Ozdemir , Larry S. Davis

Microaggregation is a method to coarsen a dataset, by optimally clustering data points in groups of at least $k$ points, thereby providing a $k$-anonymity type disclosure guarantee for each point in the dataset. Previous algorithms for…

数据结构与算法 · 计算机科学 2024-01-05 Felix I. Stamm , Michael T. Schaub

The paper presents complexity results and performance guaranties for a family of approximation algorithms for an optimisation problem arising in software testing and manufacturing. The problem is formulated as a partitioning of a set where…

数据结构与算法 · 计算机科学 2022-12-13 Yakov Zinder , Bertrand M. T. Lin , Joanna Berlińska

Network quantization has rapidly become one of the most widely used methods to compress and accelerate deep neural networks. Recent efforts propose to quantize weights and activations from different layers with different precision to…

机器学习 · 计算机科学 2020-03-18 Yuhang Li , Wei Wang , Haoli Bai , Ruihao Gong , Xin Dong , Fengwei Yu

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…

计算机视觉与模式识别 · 计算机科学 2022-01-13 Chengyin Xu , Zenghao Chai , Zhengzhuo Xu , Hongjia Li , Qiruyi Zuo , Lingyu Yang , Chun Yuan