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A dictionary (or map) is a key-value store that requires all keys be unique, and a multimap is a key-value store that allows for multiple values to be associated with the same key. We design hashing-based indexing schemes for dictionaries…

数据结构与算法 · 计算机科学 2011-07-25 Michael T. Goodrich , Daniel S. Hirschberg , Michael Mitzenmacher , Justin Thaler

This paper studies the Binary Neural Networks (BNNs) in which weights and activations are both binarized into 1-bit values, thus greatly reducing the memory usage and computational complexity. Since the modern deep neural networks are of…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Zhijun Tu , Xinghao Chen , Pengju Ren , Yunhe Wang

In this paper we evaluate performance of data-dependent hashing methods on binary data. The goal is to find a hashing method that can effectively produce lower dimensional binary representation of 512-bit FREAK descriptors. A representative…

计算机视觉与模式识别 · 计算机科学 2017-07-24 Jacek Komorowski , Tomasz Trzcinski

We present a new algebraic algorithmic scheme to solve {\em convex integer maximization} problems of the following form, where $c$ is a convex function on $R^d$ and $w_1x,...,w_dx$ are linear forms on $R^n$, $$\max \{c(w_1 x,...,w_d x):…

组合数学 · 数学 2009-11-21 J. De Loera , R. Hemmecke , S. Onn , U. G. Rothblum , R. Weismantel

Modern natural language processing models have achieved unprecedented scale, yet the tools for their evaluation often remain a computational bottleneck, limiting the pace of research. This is particularly acute for in-training evaluation…

计算与语言 · 计算机科学 2025-10-08 Adam Filipek

This paper introduces a novel hybrid optimisation algorithm that combines elements of both metaheuristic search and integer programming. This new matheuristic combines elements of Benders decomposition and the Bees Algorithm, to create the…

最优化与控制 · 数学 2019-03-12 Cameron A. G. MacRae , Melih Ozlen , Andreas T. Ernst

We consider the hashing mechanism for constructing binary embeddings, that involves pseudo-random projections followed by nonlinear (sign function) mappings. The pseudo-random projection is described by a matrix, where not all entries are…

机器学习 · 计算机科学 2016-07-04 Anna Choromanska , Krzysztof Choromanski , Mariusz Bojarski , Tony Jebara , Sanjiv Kumar , Yann LeCun

We propose an incremental strategy for learning hash functions with kernels for large-scale image search. Our method is based on a two-stage classification framework that treats binary codes as intermediate variables between the feature…

计算机视觉与模式识别 · 计算机科学 2016-06-10 Bahadir Ozdemir , Mahyar Najibi , Larry S. Davis

We have repurposed Google Tensor Processing Units (TPUs), application-specific chips developed for machine learning, into large-scale dense linear algebra supercomputers. The TPUs' fast inter-core interconnects (ICI)s, physically…

In this paper we introduce a novel hash learning framework that has two main distinguishing features, when compared to past approaches. First, it utilizes codewords in the Hamming space as ancillary means to accomplish its hash learning…

机器学习 · 计算机科学 2015-08-19 Yinjie Huang , Michael Georgiopoulos , Georgios C. Anagnostopoulos

The modern CPU's design, which is composed of hierarchical memory and SIMD/vectorization capability, governs the potential for algorithms to be transformed into efficient implementations. The release of the AVX-512 changed things radically,…

数学软件 · 计算机科学 2018-03-13 Berenger Bramas

Data-dependent hashing has recently attracted attention due to being able to support efficient retrieval and storage of high-dimensional data such as documents, images, and videos. In this paper, we propose a novel learning-based hashing…

机器学习 · 计算机科学 2019-04-09 Jie Gui , Tongliang Liu , Zhenan Sun , Dacheng Tao , Tieniu Tan

Hashing based cross-modal retrieval has recently made significant progress. But straightforward embedding data from different modalities into a joint Hamming space will inevitably produce false codes due to the intrinsic modality…

计算机视觉与模式识别 · 计算机科学 2020-10-07 Ge Song , Jun Zhao , Xiaoyang Tan

Quantization and pruning are two effective Deep Neural Networks model compression methods. In this paper, we propose Automatic Prune Binarization (APB), a novel compression technique combining quantization with pruning. APB enhances the…

计算机视觉与模式识别 · 计算机科学 2023-09-18 Franco Maria Nardini , Cosimo Rulli , Salvatore Trani , Rossano Venturini

Dense retrieval techniques employ pre-trained large language models to build a high-dimensional representation of queries and passages. These representations compute the relevance of a passage w.r.t. to a query using efficient similarity…

信息检索 · 计算机科学 2024-04-04 Franco Maria Nardini , Cosimo Rulli , Rossano Venturini

We revisit the generation of balanced octrees for adaptive mesh refinement (AMR) of Cartesian domains with immersed complex geometries. In a recent short note [Hasbestan and Senocak, J. Comput. Phys. vol. 351:473-477 (2017)], we showed that…

计算工程、金融与科学 · 计算机科学 2018-05-23 Jaber J. Hasbestan , Inanc Senocak

Binary neural network (BNN) is an extreme quantization version of convolutional neural networks (CNNs) with all features and weights mapped to just 1-bit. Although BNN saves a lot of memory and computation demand to make CNN applicable on…

计算机视觉与模式识别 · 计算机科学 2022-07-20 Xulong Shi , Zhi Qi , Jiaxuan Cai , Keqi Fu , Yaru Zhao , Zan Li , Xuanyu Liu , Hao Liu

We study deep neural networks with binary activation functions (BDNN), i.e. the activation function only has two states. We show that the BDNN can be reformulated as a mixed-integer linear program which can be solved to global optimality by…

最优化与控制 · 数学 2020-08-10 Bubacarr Bah , Jannis Kurtz

Learning based hashing plays a pivotal role in large-scale visual search. However, most existing hashing algorithms tend to learn shallow models that do not seek representative binary codes. In this paper, we propose a novel hashing…

计算机视觉与模式识别 · 计算机科学 2018-04-26 Zhaoqiang Xia , Xiaoyi Feng , Jinye Peng , Abdenour Hadid

Our work focuses on tackling large-scale fine-grained image retrieval as ranking the images depicting the concept of interests (i.e., the same sub-category labels) highest based on the fine-grained details in the query. It is desirable to…

信息检索 · 计算机科学 2023-11-23 Xiu-Shen Wei , Yang Shen , Xuhao Sun , Peng Wang , Yuxin Peng