中文
相关论文

相关论文: The Associated Volume sampling algorithm as an alt…

200 篇论文

Power Doppler ultrasound is in widespread clinical use for non-invasive vascular imaging but the most common current method - Delay and Sum (DAS) beamforming - suffers from limited resolution and high side-lobes. Here we propose the…

图像与视频处理 · 电气工程与系统科学 2025-01-13 Matthieu Toulemonde , Cameron A. B. Smith , Kai Riemer , Priya Palanisamy , Jaideep Singh Rait , Laura Taylor , Peter D. Weinberg , Karina Cox , Meng-Xing Tang

Unsupervised anomaly detection (AD) in medical images aims to identify abnormal regions without relying on pixel-level annotations, which is crucial for scalable and label-efficient diagnostic systems. In this paper, we propose a novel…

图像与视频处理 · 电气工程与系统科学 2026-02-05 Jiayu Huo , Jingyuan Hong , Liyun Chen

Sampling from high-dimensional probability distributions is fundamental in machine learning and statistics. As datasets grow larger, computational efficiency becomes increasingly important, particularly in reducing adaptive complexity,…

数据结构与算法 · 计算机科学 2025-09-23 Huanjian Zhou , Masashi Sugiyama

The parallel alternating direction method of multipliers (ADMM) algorithm is widely recognized for its effectiveness in handling large-scale datasets stored in a distributed manner, making it a popular choice for solving statistical…

机器学习 · 统计学 2023-11-22 Xiaofei Wu , Zhimin Zhang , Zhenyu Cui

Precise anomaly detection in medical images is critical for clinical decision-making. While recent unsupervised or semi-supervised anomaly detection methods trained on large-scale normal data show promising results, they lack fine-grained…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Yue Zhou , Yuan Bi , Wenjuan Tong , Wei Wang , Nassir Navab , Zhongliang Jiang

Conformal Prediction is a widely studied technique to construct prediction sets of future observations. Most conformal prediction methods focus on achieving the necessary coverage guarantees, but do not provide formal guarantees on the size…

机器学习 · 计算机科学 2025-02-25 Chao Gao , Liren Shan , Vaidehi Srinivas , Aravindan Vijayaraghavan

Matrix valued data has become increasingly prevalent in many applications. Most of the existing clustering methods for this type of data are tailored to the mean model and do not account for the dependence structure of the features, which…

机器学习 · 统计学 2023-12-07 Inbeom Lee , Siyi Deng , Yang Ning

Anomaly detection (AD) under data contamination is critical for deploying unsupervised defect detection in industrial environments, where curating perfectly clean training sets is impractical. However, existing methods are sensitive to…

计算机视觉与模式识别 · 计算机科学 2026-05-27 Sirojbek Safarov , Jaewoo Park , Yoon Gyo Jung , Kuan-Chuan Peng , Wonchul Kim , Seongdeok Bang , Octavia Camps

This paper deals with the Monte-Carlo methods for evaluating expectations of functionals of solutions to McKean-Vlasov Stochastic Differential Equations (MV-SDE) with drifts of super-linear growth. We assume that the MV-SDE is approximated…

概率论 · 数学 2018-10-15 Goncalo dos Reis , Greig Smith , Peter Tankov

Targeted amplicon panels are widely used in oncology diagnostics, but providing per-gene performance guarantees for copy number variant (CNV) detection remains challenging due to amplification artifacts, process-mismatch heterogeneity, and…

统计方法学 · 统计学 2026-04-17 Austin Talbot , Alex V. Kotlar , Yue Ke

A general approach for anomaly detection or novelty detection consists in estimating high density regions or Minimum Volume (MV) sets. The One-Class Support Vector Machine (OCSVM) is a state-of-the-art algorithm for estimating such regions…

机器学习 · 统计学 2015-09-01 Albert Thomas , Vincent Feuillard , Alexandre Gramfort

Constellation shaping is an energy-efficient strategy involving the transmission of lower-energy signals more frequently than higher-energy signals. Previous work has shown that shaping is particularly effective when used with coded…

信息论 · 计算机科学 2012-10-18 Xingyu Xiang , Matthew C. Valenti

Causal inference in modern largescale systems faces growing challenges, including highdimensional covariates, multi-valued treatments, massive observational (OBS) data, and limited randomized controlled trial (RCT) samples due to cost…

统计方法学 · 统计学 2026-02-27 Yuxi Du , Zhiheng Zhang , Haoxuan Li , Cong Fang , Jixing Xu , Peng Zhen , Jiecheng Guo

Deep learning models for medical imaging often exhibit overconfidence, creating safety risks in ambiguous diagnostic scenarios. While Conformal Prediction (CP) provides distribution-free statistical guarantees, standard methods such as…

计算机视觉与模式识别 · 计算机科学 2026-05-14 One Octadion , Novanto Yudistira , Lailil Muflikhah

The increasing demand for larger and higher fidelity simulations has made Adaptive Mesh Refinement (AMR) and unstructured mesh techniques essential to focus compute effort and memory cost on just the areas of interest in the simulation…

图形学 · 计算机科学 2025-01-23 Xuan Huang , Will Usher , Valerio Pascucci

Atom probe tomography is commonly used to study solute clustering and precipitation in materials. However, standard techniques, such as the density based spatial clustering applications with noise (DBSCAN) perform poorly with respect to…

材料科学 · 物理学 2025-09-05 R S. Stroud , A. Al-Saffar , M. Carter , M P. Moody , S. Pedrazzini , M R. Wenman

In industry, machine anomalous sound detection (ASD) is in great demand. However, collecting enough abnormal samples is difficult due to the high cost, which boosts the rapid development of unsupervised ASD algorithms. Autoencoder (AE)…

声音 · 计算机科学 2023-11-16 Yifan Zhou , Dongxing Xu , Haoran Wei , Yanhua Long

Proportionate-type normalized suband adaptive filter (PNSAF-type) algorithms are very attractive choices for echo cancellation. To further obtain both fast convergence rate and low steady-state error, in this paper, a variable step size…

系统与控制 · 计算机科学 2017-06-30 Yi Yu , Haiquan Zhao

Integrated sensing and communication (ISAC) is a main application scenario of the sixth-generation mobile communication systems. Due to the fast-growing number of antennas and subcarriers in cellular systems, the computational complexity of…

信息论 · 计算机科学 2024-05-16 Jun Zhang , Gang Yang , Qibin Ye , Yixuan Huang , Su Hu

Federated learning paradigm to utilize datasets across multiple data providers. In FL, cross-silo data providers often hesitate to share their high-quality dataset unless their data value can be fairly assessed. Shapley value (SV) has been…

机器学习 · 计算机科学 2025-04-24 Shuyue Wei , Yongxin Tong , Zimu Zhou , Tianran He , Yi Xu