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The deployment and training of neural networks on edge computing devices pose many challenges. The low memory nature of edge devices is often one of the biggest limiting factors encountered in the deployment of large neural network models.…

机器学习 · 计算机科学 2023-06-01 Burak Bartan , Haoming Li , Harris Teague , Christopher Lott , Bistra Dilkina

This paper introduces a novel lossless compression method for compressing geometric attributes of point cloud data with bits-back coding. Our method specializes in using a deep learning-based probabilistic model to estimate the Shannon's…

计算机视觉与模式识别 · 计算机科学 2024-10-25 Nguyen Quang Hieu , Minh Nguyen , Dinh Thai Hoang , Diep N. Nguyen , Eryk Dutkiewicz

3D visual content streaming is a key technology for emerging 3D telepresence and AR/VR applications. One fundamental element underlying the technology is a versatile 3D representation that is capable of producing high-quality renders and…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Yueyu Hu , Ran Gong , Tingyu Fan , Yao Wang

We present a simple wavefront-like approach for computing multiplicatively weighted Voronoi diagrams of points and straight-line segments in the Euclidean plane. If the input sites may be assumed to be randomly weighted points then the use…

计算几何 · 计算机科学 2020-06-26 Martin Held , Stefan de Lorenzo

In this paper, we contend that the objective of representation learning is to compress and transform the distribution of the data, say sets of tokens, towards a mixture of low-dimensional Gaussian distributions supported on incoherent…

机器学习 · 计算机科学 2023-06-05 Yaodong Yu , Sam Buchanan , Druv Pai , Tianzhe Chu , Ziyang Wu , Shengbang Tong , Benjamin D. Haeffele , Yi Ma

Point clouds are a fundamental 3D representation in computer vision, enabling a wide range of perception tasks. However, real-world point clouds often suffer from degradations such as incompleteness, noise, outliers, and irregular density,…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Haoqing Wu , Alexa Nawotki , Jochen Garcke

While three-dimensional (3D) building models play an increasingly pivotal role in many real-world applications, obtaining a compact representation of buildings remains an open problem. In this paper, we present a novel framework for…

计算机视觉与模式识别 · 计算机科学 2022-12-20 Zhaiyu Chen , Hugo Ledoux , Seyran Khademi , Liangliang Nan

Local density of point clouds is crucial for representing local details, but has been overlooked by existing point cloud compression methods. To address this, we propose a novel deep point cloud compression method that preserves local…

计算机视觉与模式识别 · 计算机科学 2022-04-28 Yun He , Xinlin Ren , Danhang Tang , Yinda Zhang , Xiangyang Xue , Yanwei Fu

Deep learning is increasingly being used to perform machine vision tasks such as classification, object detection, and segmentation on 3D point cloud data. However, deep learning inference is computationally expensive. The limited…

图像与视频处理 · 电气工程与系统科学 2023-08-14 Mateen Ulhaq , Ivan V. Bajić

Point cloud is a crucial representation of 3D contents, which has been widely used in many areas such as virtual reality, mixed reality, autonomous driving, etc. With the boost of the number of points in the data, how to efficiently…

计算机视觉与模式识别 · 计算机科学 2022-08-05 Kang You , Pan Gao , Qing Li

Exascale computing promises quantities of data too large to efficiently store and transfer across networks in order to be able to analyze and visualize the results. We investigate Compressive Sensing (CS) as a way to reduce the size of the…

信息论 · 计算机科学 2015-08-27 Maher Salloum , Nathan Fabian , David M. Hensinger , Jeremy A. Templeton

Semi-directed networks are partially directed graphs that model evolution where the directed edges represent reticulate evolutionary events. We present an algorithm that reconstructs binary $n$-leaf semi-directed level-1 networks in $O(…

种群与进化 · 定量生物学 2025-07-24 Martin Frohn , Niels Holtgrefe , Leo van Iersel , Mark Jones , Steven Kelk

We show how to build several data structures of central importance to string processing, taking as input the Burrows-Wheeler transform (BWT) and using small extra working space. Let $n$ be the text length and $\sigma$ be the alphabet size.…

数据结构与算法 · 计算机科学 2019-08-14 Nicola Prezza , Giovanna Rosone

Low-rank tensor compression has been proposed as a promising approach to reduce the memory and compute requirements of neural networks for their deployment on edge devices. Tensor compression reduces the number of parameters required to…

机器学习 · 计算机科学 2021-11-03 Cole Hawkins , Haichuan Yang , Meng Li , Liangzhen Lai , Vikas Chandra

We present a spatially efficient decomposition of matrices and arbitrary-order tensors as linear combinations of tensor products of $\{-1, 1\}$-valued vectors. For any matrix $A \in \mathbb{R}^{m \times n}$, $$A - R_w = S_w C_w T_w^\top =…

组合数学 · 数学 2024-10-03 Alex W. Neal Riasanovsky , Sarah El Kazdadi

The representation of a dynamic ordered set of $n$ integer keys drawn from a universe of size $m$ is a fundamental data structuring problem. Many solutions to this problem achieve optimal time but take polynomial space, therefore preserving…

数据结构与算法 · 计算机科学 2020-03-27 Giulio Ermanno Pibiri , Rossano Venturini

A novel interface reconstruction strategy for volume of fluid (VOF) methods is introduced that represents the liquid-gas interface as two planes that co-exist within a single computational cell. In comparison to the piecewise linear…

流体动力学 · 物理学 2024-03-19 Austin Han , Robert Chiodi , Olivier Desjardins

This paper describes a novel lossless compression method for point cloud geometry, building on a recent lossy compression method that aimed at reconstructing only the bounding volume of a point cloud. The proposed scheme starts by partially…

计算机视觉与模式识别 · 计算机科学 2021-06-03 Emre Can Kaya , Sebastian Schwarz , Ioan Tabus

Current LiDAR odometry, mapping and localization methods leverage point-wise representations of 3D scenes and achieve high accuracy in autonomous driving tasks. However, the space-inefficiency of methods that use point-wise representations…

计算机视觉与模式识别 · 计算机科学 2023-04-28 Chao Xia , Chenfeng Xu , Patrick Rim , Mingyu Ding , Nanning Zheng , Kurt Keutzer , Masayoshi Tomizuka , Wei Zhan

In memory-constrained algorithms we have read-only access to the input, and the number of additional variables is limited. In this paper we introduce the compressed stack technique, a method that allows to transform algorithms whose space…

计算几何 · 计算机科学 2014-06-26 Luis Barba , Matias Korman , Stefan Langerman , Kunikiko Sadakane , Rodrigo Silveira