中文
相关论文

相关论文: Spline Sketches: An Efficient Approach for Photon …

200 篇论文

LiDAR semantic segmentation plays a crucial role in enabling autonomous driving and robots to understand their surroundings accurately and robustly. A multitude of methods exist within this domain, including point-based, range-image-based,…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Rong Li , ShiJie Li , Xieyuanli Chen , Teli Ma , Juergen Gall , Junwei Liang

In an age of exponentially increasing data generation, performing inference tasks by utilizing the available information in its entirety is not always an affordable option. The present paper puts forth approaches to render tracking of…

应用统计 · 统计学 2017-06-07 Dimitris Berberidis , Georgios B. Giannakis

State-of-the-art techniques for monocular camera reconstruction predominantly rely on the Structure from Motion (SfM) pipeline. However, such methods often yield reconstruction outcomes that lack crucial scale information, and over time,…

机器人学 · 计算机科学 2023-10-10 Chunge Bai , Ruijie Fu , Xiang Gao

NASA's Kepler, K2 and TESS missions employ Simple Aperture Photometry (SAP) to derive time-series photometry, where an aperture is estimated for each star, and pixels containing each star are summed to create a single light curve. This…

天体物理仪器与方法 · 物理学 2021-08-25 Christina Hedges , Rodrigo Luger , Jorge Martinez Palomera , Jessie Dotson , Geert Barentsen

A new representation of splines that targets efficiency in the analysis of functional data is implemented. The efficiency is achieved through two novel features: using the recently introduced orthonormal spline bases, the so-called {\it…

统计计算 · 统计学 2024-09-30 Krzysztof Podgórski

Kernel methods are learning algorithms that enjoy solid theoretical foundations while suffering from important computational limitations. Sketching, which consists in looking for solutions among a subspace of reduced dimension, is a well…

机器学习 · 统计学 2023-11-07 Tamim El Ahmad , Pierre Laforgue , Florence d'Alché-Buc

Fine-grained sketch-based image retrieval (FG-SBIR) addresses the problem of retrieving a particular photo instance given a user's query sketch. Its widespread applicability is however hindered by the fact that drawing a sketch takes time,…

计算机视觉与模式识别 · 计算机科学 2020-05-13 Ayan Kumar Bhunia , Yongxin Yang , Timothy M. Hospedales , Tao Xiang , Yi-Zhe Song

Single-photon time-of-flight (TOF) non-line-of-sight (NLOS) imaging enables the high-resolution reconstruction of objects outside the field of view. The compactness of TOF NLOS imaging systems, entailing the miniaturization of key…

仪器与探测器 · 物理学 2024-04-12 Jie Wu , Chao Yu , Jian-Wei Zeng , Chen Dai , Feihu Xu , Jun Zhang

Lidar sensors are widely used in various applications, ranging from scientific fields over industrial use to integration in consumer products. With an ever growing number of different driver assistance systems, they have been introduced to…

计算机视觉与模式识别 · 计算机科学 2020-12-09 Frederik Hasecke , Lukas Hahn , Anton Kummert

X-ray photon-counting detector (PCD) offers low noise, high resolution, and spectral characterization, representing a next generation of CT and enabling new biomedical applications. It is well known that involuntary patient motion may…

医学物理 · 物理学 2022-10-20 Mengzhou Li , Chiara Lowe , Anthony Butler , Phil Butler , Ge Wang

Sketch-based algorithms for network traffic monitoring have drawn increasing interest in recent years due to their sub-linear memory efficiency and high accuracy. As the volume of network traffic grows, software-based sketch implementations…

硬件体系结构 · 计算机科学 2025-04-28 Zhaoyang Han , Yicheng Qian , Michael Zink , Miriam Leeser

We present a grism extraction package (LINEAR) designed to reconstruct one-dimensional spectra from a collection of slitless spectroscopic images, ideally taken at a variety of orientations, dispersion directions, and/or dither positions.…

天体物理仪器与方法 · 物理学 2018-02-21 R. E. Ryan , S. Casertano , N. Pirzkal

In this study, we propose a novel parallel processing method for point cloud ground segmentation, aimed at the technology evolution from mechanical to solid-state Lidar (SSL). We first benchmark point-based, grid-based, and range…

计算机视觉与模式识别 · 计算机科学 2024-09-19 Xiao Zhang , Zhanhong Huang , Garcia Gonzalez Antony , Xinming Huang

Modern stream processing systems often need to track the frequency of distinct keys in a data stream in real-time. Since maintaining exact counts can require a prohibitive amount of memory, many applications rely on compact, probabilistic…

数据结构与算法 · 计算机科学 2026-04-29 Navid Eslami , Ioana O. Bercea , Rasmus Pagh , Niv Dayan

High-dimensional sparse data present computational and statistical challenges for supervised learning. We propose compact linear sketches for reducing the dimensionality of the input, followed by a single layer neural network. We show that…

机器学习 · 计算机科学 2016-04-21 Amit Daniely , Nevena Lazic , Yoram Singer , Kunal Talwar

In some specific scenarios, face sketch was used to identify a person. However, drawing a complete face sketch often needs skills and takes time, which hinder its widespread applicability in the practice. In this study, we proposed a new…

计算机视觉与模式识别 · 计算机科学 2023-02-14 Dawei Dai , Yutang Li , Liang Wang , Shiyu Fu , Shuyin Xia , Guoyin Wang

LiDAR sensors can provide dependable 3D spatial information at a low frequency (around 10Hz) and have been widely applied in the field of autonomous driving and UAV. However, the camera with a higher frequency (around 20Hz) has to be…

计算机视觉与模式识别 · 计算机科学 2019-09-17 Haojie Liu , Kang Liao , Chunyu Lin , Yao Zhao , Yulan Guo

3D single-photon LiDAR imaging has an important role in many applications. However, full deployment of this modality will require the analysis of low signal to noise ratio target returns and a very high volume of data. This is particularly…

图像与视频处理 · 电气工程与系统科学 2023-07-19 Mohamed Amir Alaa Belmekki , Jonathan Leach , Rachael Tobin , Gerald S. Buller , Stephen Mclaughlin , Abderrahim Halimi

Active 3D imaging systems have broad applications across disciplines, including biological imaging, remote sensing and robotics. Applications in these domains require fast acquisition times, high timing resolution, and high detection…

应用物理 · 物理学 2018-06-12 Felix Heide , Steven Diamond , David B. Lindell , Gordon Wetzstein

This paper presents an efficient approach to image segmentation that approximates the piecewise-smooth (PS) functional in [12] with explicit solutions. By rendering some rational constraints on the initial conditions and the final solutions…

计算机视觉与模式识别 · 计算机科学 2016-12-09 Huihui Song , Yuhui Zheng , Kaihua Zhang