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The voting method, an ensemble approach for fundamental frequency estimation, is empirically known for its robustness but lacks thorough investigation. This paper provides a principled analysis and improvement of this technique. First, we…

声音 · 计算机科学 2026-02-03 Junya Koguchi , Tomoki Koriyama

Self-similarity and long-range correlations are the remarkable features of the Earth's surface topography. Here we develop an approach based on percolation theory to study the geometrical features of Earth. Our analysis is based on…

物理与社会 · 物理学 2019-02-13 Jingfang Fan , Jun Meng , Abbas Ali Saberi

Two-point correlation functions are ubiquitous tools of modern cosmology, appearing in disparate topics ranging from cosmological inflation to late-time astrophysics. When the background spacetime is maximally symmetric, invariance…

广义相对论与量子宇宙学 · 物理学 2017-02-22 Oton H. Marcori , Thiago S. Pereira

Correlation radiometers make true differential measurements in power with high accuracy and small systematic errors. This receiver architecture has been used in radio astronomy for measurements of continuum radiation for over 50 years; this…

天体物理学 · 物理学 2007-05-23 A. I. Harris

Networks are useful for describing systems of interacting objects, where the nodes represent the objects and the edges represent the interactions between them. The applications include chemical and metabolic systems, food webs as well as…

计算物理 · 物理学 2009-10-20 Baruch Barzel , Ofer Biham

This study presents a generalization for a method examining the correlation function of an arbitrary system with interactions in an Ising model to obtain a value of correlation between two arbitrary points on a network. The establishment of…

综合物理 · 物理学 2017-06-13 Akira Saito

Depth estimation plays a important role in SLAM, odometry, and autonomous driving. Especially, monocular depth estimation is profitable technology because of its low cost, memory, and computation. However, it is not a sufficiently…

计算机视觉与模式识别 · 计算机科学 2022-02-25 Hyeonsoo Jang , Yeongmin Ko , Younkwan Lee , Moongu Jeon

Reflectometry is a technique that uses the light reflected by a sample to determine properties of the sample. Interferometric reflectometry uses interference between two beams, one of which is incident on ---and reflected back by--- a…

光学 · 物理学 2019-10-10 Alexander Nahmad-Rohen , Wolfgang Langbein

This paper proposes a novel method to filter out the false alarm of LiDAR system by using the temporal correlation of target reflected photons. Because of the inevitable noise, which is due to background light and dark counts of the…

仪器与探测器 · 物理学 2017-08-22 Zhenchao Feng , Weiji He , Jian Fang , Guohua Gu , Qian Chen , Ping Zhang , Yuanjin Chen , Beibei Zhou , Minhua Zhou

Periodograms are common tools used to search for periodic signals in unevenly spaced time series. The significance of periodogram peaks is often assessed using false alarm probability (FAP), which in most studies assumes uncorrelated noise…

天体物理仪器与方法 · 物理学 2020-03-11 J. -B. Delisle , N. Hara , D. Ségransan

Because researchers typically do not have the time or space to present more than a few evaluation metrics in any published study, it can be difficult to assess relative effectiveness of prior methods for unreported metrics when baselining a…

信息检索 · 计算机科学 2018-02-02 Mucahid Kutlu , Vivek Khetan , Matthew Lease

In this paper we consider a family of algorithms for approximate implicitization of rational parametric curves and surfaces. The main approximation tool in all of the approaches is the singular value decomposition, and they are therefore…

数值分析 · 数学 2016-05-30 Oliver J. D. Barrowclough , Tor Dokken

Here we study an efficient algorithm for decoding the topological codes. It is based on a simple principle, which should allow straightforward generalization to complex decoding problems. It is benchmarked with the planar code for both…

量子物理 · 物理学 2015-04-10 James R. Wootton

Correlation is a common technique for the detection of shifts. Its generalization to the multidimensional geometric correlation in Clifford algebras has proven a useful tool for color image processing, because it additionally contains…

代数几何 · 数学 2013-06-11 Roxana Bujack , Gerik Scheuermann , Eckhard Hitzer

We propose a theoretical scheme to enhance the signal-to-noise ratio in ultrasensitive detection with the help of quantum correlation. By introducing the auxiliary oscillator and treated as an added probe for weak field detection, the…

量子物理 · 物理学 2019-06-12 Wen-Zhao Zhang , Li-Bo Chen , Jiong Cheng , Yun-Feng Jiang

Conformal prediction is a powerful framework for constructing prediction sets with valid coverage guarantees in multi-class classification. However, existing methods often rely on a single score function, which can limit their efficiency…

机器学习 · 统计学 2025-03-05 Rui Luo , Zhixin Zhou

Models driven by spurious correlations often yield poor generalization performance. We propose the counterfactual (CF) alignment method to detect and quantify spurious correlations of black box classifiers. Our methodology is based on…

计算机视觉与模式识别 · 计算机科学 2025-01-16 Joseph Paul Cohen , Louis Blankemeier , Akshay Chaudhari

Unsupervised evaluation of segmentation quality is a crucial step in image segmentation applications. Previous unsupervised evaluation methods usually lacked the adaptability to multi-scale segmentation. A scale-constrained evaluation…

计算机视觉与模式识别 · 计算机科学 2016-11-16 Yuhang Lu , Youchuan Wan , Gang Li

This publication presents a novel interferometric method for the simultaneous spatially resolved analysis of an object under test regarding the phase transmission function and the magnitude and orientation of dichroism. Analogous to the…

光学 · 物理学 2018-12-12 Sergej Rothau , Xiao Rao , Norbert Lindlein

It is well-known that exploiting label correlations is crucially important to multi-label learning. Most of the existing approaches take label correlations as prior knowledge, which may not correctly characterize the real relationships…

机器学习 · 计算机科学 2019-02-11 Lei Feng , Bo An , Shuo He