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One of the approaches for the nearest neighbor search problem is to build a network which nodes correspond to the given set of indexed objects. In this case the search of the closest object can be thought as a search of a node in a network.…

分布式、并行与集群计算 · 计算机科学 2017-12-25 Alexander Ponomarenko , Irina Utkina , Mikhail Batsyn

We introduce a new variant of the nearest neighbor search problem, which allows for some coordinates of the dataset to be arbitrarily corrupted or unknown. Formally, given a dataset of $n$ points $P=\{ x_1,\ldots, x_n\}$ in high-dimensions,…

计算几何 · 计算机科学 2015-11-24 Sariel Har-Peled , Sepideh Mahabadi

Transfer learning has proven to be a successful technique to train deep learning models in the domains where little training data is available. The dominant approach is to pretrain a model on a large generic dataset such as ImageNet and…

计算机视觉与模式识别 · 计算机科学 2020-04-02 Xi Yan , David Acuna , Sanja Fidler

In neural architecture search, the structure of the neural network to best model a given dataset is determined by an automated search process. Efficient Neural Architecture Search (ENAS), proposed by Pham et al. (2018), has recently…

机器学习 · 计算机科学 2019-06-19 Prabhant Singh , Tobias Jacobs , Sebastien Nicolas , Mischa Schmidt

Metric embeddings are a widely used method in algorithm design, where generally a ``complex'' metric is embedded into a simpler, lower-dimensional one. Historically, the theoretical computer science community has focused on bi-Lipschitz…

数据结构与算法 · 计算机科学 2025-05-19 Ainesh Bakshi , Vincent Cohen-Addad , Samuel B. Hopkins , Rajesh Jayaram , Silvio Lattanzi

In this paper, we present a general and effective framework for Neural Architecture Search (NAS), named PredNAS. The motivation is that given a differentiable performance estimation function, we can directly optimize the architecture…

计算机视觉与模式识别 · 计算机科学 2022-10-27 Liuchun Yuan , Zehao Huang , Naiyan Wang

Neural architecture search (NAS) is an attractive approach to automate the design of optimized architectures but is constrained by high computational budget, especially when optimizing for multiple, important conflicting objectives. To…

机器学习 · 计算机科学 2025-09-03 Zhao Wei , Chin Chun Ooi , Yew-Soon Ong

Approximate nearest neighbor (ANN) search in high dimensions is an integral part of several computer vision systems and gains importance in deep learning with explicit memory representations. Since PQT, FAISS, and SONG started to leverage…

计算机视觉与模式识别 · 计算机科学 2022-04-08 Fabian Groh , Lukas Ruppert , Patrick Wieschollek , Hendrik P. A. Lensch

Approximate $k$-nearest neighbor search (A$k$-NNS) is a core operation in vector databases, underpinning applications such as retrieval-augmented generation (RAG) and image retrieval. In these scenarios, users often prefer diverse result…

数据库 · 计算机科学 2025-11-03 Jiachen Zhao , Xiao Yan , Eric Lo

Neural network (NN) models are increasingly used in scientific simulations, AI, and other high performance computing (HPC) fields to extract knowledge from datasets. Each dataset requires tailored NN model architecture, but designing…

Many important applications, including signal reconstruction, parameter estimation, and signal processing in a compressed domain, rely on a low-dimensional representation of the dataset that preserves {\em all} pairwise distances between…

机器学习 · 统计学 2016-09-20 Jarosław Błasiok , Charalampos E. Tsourakakis

Nearest neighbor search under elastic distances is a key tool for time series analysis, supporting many applications. However, straightforward implementations of distances require $O(n^2)$ space and time complexities, preventing these…

机器学习 · 计算机科学 2021-06-04 Matthieu Herrmann , Geoffrey I. Webb

Binary Neural Networks (BNNs) have gained extensive attention for their superior inferencing efficiency and compression ratio compared to traditional full-precision networks. However, due to the unique characteristics of BNNs, designing a…

计算机视觉与模式识别 · 计算机科学 2024-08-29 Zhihao Lin , Yongtao Wang , Jinhe Zhang , Xiaojie Chu , Haibin Ling

Mining large-scale high-throughput tandem mass spectrometry data sets is a very important problem in mass spectrometry based protein identification. One of the fundamental problems in large scale mining of spectra is to design appropriate…

定量方法 · 定量生物学 2007-05-23 Debojyoti Dutta , Ting Chen

Non-negative signals form an important class of sparse signals. Many algorithms have already beenproposed to recover such non-negative representations, where greedy and convex relaxed algorithms are among the most popular methods. One fast…

信号处理 · 电气工程与系统科学 2020-06-09 Konstantinos Voulgaris , Mike E. Davies , Mehrdad Yaghoobi

Network embedding maps the nodes of a given network into a low-dimensional space such that the semantic similarities among the nodes can be effectively inferred. Most existing approaches use inner-product of node embedding to measure the…

社会与信息网络 · 计算机科学 2021-01-21 Luodi Xie , Hong Shen , Jiaxin Ren

In this work, we present a simple and general search space shrinking method, called Angle-Based search space Shrinking (ABS), for Neural Architecture Search (NAS). Our approach progressively simplifies the original search space by dropping…

神经与进化计算 · 计算机科学 2020-07-17 Yiming Hu , Yuding Liang , Zichao Guo , Ruosi Wan , Xiangyu Zhang , Yichen Wei , Qingyi Gu , Jian Sun

Recent medical image reconstruction techniques focus on generating high-quality medical images suitable for clinical use at the lowest possible cost and with the fewest possible adverse effects on patients. Recent works have shown…

图像与视频处理 · 电气工程与系统科学 2025-01-07 Shijun Liang , Anish Lahiri , Saiprasad Ravishankar

The construction of $r$-nets offers a powerful tool in computational and metric geometry. We focus on high-dimensional spaces and present a new randomized algorithm which efficiently computes approximate $r$-nets with respect to Euclidean…

计算几何 · 计算机科学 2017-05-09 Georgia Avarikioti , Ioannis Z. Emiris , Loukas Kavouras , Ioannis Psarros

Analog computing has reemerged as a promising avenue for accelerating deep neural networks (DNNs) due to its potential to overcome the energy efficiency and scalability challenges posed by traditional digital architectures. However,…

新兴技术 · 计算机科学 2024-06-17 Cansu Demirkiran , Lakshmi Nair , Darius Bunandar , Ajay Joshi
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