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The phenomenon of sediment pattern formation in a channel flow is numerically investigated by performing simulations which resolve all the relevant scales of the problem. The numerical approach employed and the flow configuration considered…

流体动力学 · 物理学 2017-04-26 Aman G. Kidanemariam , Markus Uhlmann

Ion current fluctuations occurring within open and closed states of large conductance locust potassium channel (BK channel) were investigated for the existence of correlation. Both time series, extracted from the ion current signal, were…

凝聚态物理 · 物理学 2009-11-07 Zuzanna Siwy , Marcel Ausloos , Kristinka Ivanova

In an exploratory study, using the tadpole improved clover Wilson quark action on small, coarse and anisotropic lattices, the $\pi\pi$ scattering length in the I=2 channel is calculated within quenched approximation. A new method is…

高能物理 - 格点 · 物理学 2009-11-07 Chuan Liu , Junhua Zhang , Ying Chen , J. P. Ma

Understanding and predicting recreational angler effort is important for sustainable fisheries management. However, conventional methods of measuring angler effort, such as surveys, can be costly and limited in both time and spatial extent.…

物理与社会 · 物理学 2025-04-21 Julia S. Schmid , Sean Simmons , Mark A. Lewis , Mark S. Poesch , Pouria Ramazi

Recognition problems in long-tailed data, in which the sample size per class is heavily skewed, have gained importance because the distribution of the sample size per class in a dataset is generally exponential unless the sample size is…

机器学习 · 计算机科学 2024-04-30 Naoya Hasegawa , Issei Sato

StyleGAN has shown remarkable performance in unconditional image generation. However, its high computational cost poses a significant challenge for practical applications. Although recent efforts have been made to compress StyleGAN while…

计算机视觉与模式识别 · 计算机科学 2024-03-21 Jiwoo Chung , Sangeek Hyun , Sang-Heon Shim , Jae-Pil Heo

Predicting fading channels is a classical problem with a vast array of applications, including as an enabler of artificial intelligence (AI)-based proactive resource allocation for cellular networks. Under the assumption that the fading…

信息论 · 计算机科学 2022-03-08 Sangwoo Park , Osvaldo Simeone

Generative modeling over discrete data has recently seen numerous success stories, with applications spanning language modeling, biological sequence design, and graph-structured molecular data. The predominant generative modeling paradigm…

This paper proposes a new method for crop yield prediction, which is essential for developing management strategies, informing insurance assessments, and ensuring long-term food security. Although existing data-driven approaches have shown…

机器学习 · 计算机科学 2026-03-10 Yiming Sun , Qi Cheng , Licheng Liu , Runlong Yu , Yiqun Xie , Xiaowei Jia

Fish products account for about 16 percent of the human diet worldwide, as of 2017. The counting action is a significant component in growing and producing these products. Growers must count the fish accurately, to do so technological…

计算机视觉与模式识别 · 计算机科学 2022-09-14 Chen Rothschild

A streamflow time series encompasses a large amount of hidden information and reliable prediction of its behavior in the future remains a challenge. It seems that the use of information measures can significantly contribute to determining…

数据分析、统计与概率 · 物理学 2023-01-31 Dragutin T. Mihailovic , Slavica Malinovic-Milićevic , Jeongwoo Hanc , Vijay P. Singh

In recent years, deep learning models have become the standard for agricultural computer vision. Such models are typically fine-tuned to agricultural tasks using model weights that were originally fit to more general, non-agricultural…

计算机视觉与模式识别 · 计算机科学 2022-08-05 Amogh Joshi , Dario Guevara , Mason Earles

Accurate channel estimation is essential for broadband wireless communications. As wireless channels often exhibit sparse structure, the adaptive sparse channel estimation algorithms based on normalized least mean square (NLMS) have been…

信息论 · 计算机科学 2013-11-07 Guan Gui , Linglong Dai , Shinya Kumagai , Fumiyuki Adachi

Maize is a highly nutritional cereal widely used for human and animal consumption and also as raw material by the biofuels industries. This highlights the importance of precisely quantifying the corn grain productivity in season, helping…

计算机视觉与模式识别 · 计算机科学 2023-06-13 Felipe Araújo , Igor Gadelha , Rodrigo Tsukahara , Luiz Pita , Filipe Costa , Igor Vaz , Andreza Santos , Guilherme Fôlego

Linear constrained optimization techniques have been applied to many real-world settings. In recent years, inferring the unknown parameters and functions inside an optimization model has also gained traction. This inference is often based…

最优化与控制 · 数学 2020-10-16 Farzin Ahmadi , Fardin Ganjkhanloo , Kimia Ghobadi

Modern deep recommender models are trained under a continual learning paradigm, relying on massive and continuously growing streaming behavioral logs. In large-scale platforms, retraining models on full historical data for architecture…

信息检索 · 计算机科学 2026-03-27 Jiaqing Zhang , Hao Wang , Mingjia Yin , Bo Chen , Qinglin Jia , Rui Zhou , Ruiming Tang , ChaoYi Ma , Enhong Chen

MeanFlow (MF) has recently been established as a framework for one-step generative modeling. However, its ``fastforward'' nature introduces key challenges in both the training objective and the guidance mechanism. First, the original MF's…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Zhengyang Geng , Yiyang Lu , Zongze Wu , Eli Shechtman , J. Zico Kolter , Kaiming He

Operational networks commonly rely on machine learning models for many tasks, including detecting anomalies, inferring application performance, and forecasting demand. Yet, model accuracy can degrade due to concept drift, whereby the…

网络与互联网体系结构 · 计算机科学 2023-10-02 Shinan Liu , Francesco Bronzino , Paul Schmitt , Arjun Nitin Bhagoji , Nick Feamster , Hector Garcia Crespo , Timothy Coyle , Brian Ward

Models of Stock Recruitment Relationships (SRRs) are often used to predict fish population dynamics. Commonly used SRRs include the Ricker, Beverton-Holt, and Cushing functional forms, which differ primarily by the degree of density…

种群与进化 · 定量生物学 2013-09-18 Justin D. Yeakel , Marc Mangel

Over four decades, the majority addresses the problem of optical flow estimation using variational methods. With the advance of machine learning, some recent works have attempted to address the problem using convolutional neural network…

计算机视觉与模式识别 · 计算机科学 2020-03-17 Tak-Wai Hui , Xiaoou Tang , Chen Change Loy