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We use bootstrapping to estimate the bias of concentration estimates on N-body dark matter halos as a function of particle number. We find that algorithms based on the maximum radial velocity and radial particle binning tend to overestimate…

Cosmology and Nongalactic Astrophysics · Physics 2016-12-14 C. N. Poveda-Ruiz , J. E. Forero-Romero , J. C. Muñoz-Cuartas

Due to the effective multi-scale feature fusion capabilities of the Path Aggregation FPN (PAFPN), it has become a widely adopted component in YOLO-based detectors. However, PAFPN struggles to integrate high-level semantic cues with…

Computer Vision and Pattern Recognition · Computer Science 2025-02-27 Zhiqiang Yang , Qiu Guan , Zhongwen Yu , Xinli Xu , Haixia Long , Sheng Lian , Haigen Hu , Ying Tang

5G heterogeneous networks (HetNets) can provide higher network coverage and system capacity to the user by deploying massive small base stations (BSs) within the 4G macro system. However, the large-scale deployment of small BSs…

Networking and Internet Architecture · Computer Science 2021-03-02 Qianyu Liu , Chiew Foong Kwong , Sun Wei , Sijia Zhou , Lincan Li

Despite all the benefits of automated hyperparameter optimization (HPO), most modern HPO algorithms are black-boxes themselves. This makes it difficult to understand the decision process which leads to the selected configuration, reduces…

Machine Learning · Computer Science 2023-02-14 Julia Moosbauer , Giuseppe Casalicchio , Marius Lindauer , Bernd Bischl

Graphical model estimation from multi-omics data requires a balance between statistical estimation performance and computational scalability. We introduce a novel pseudolikelihood-based graphical model framework that reparameterizes the…

Machine Learning · Statistics 2025-09-23 Sungdong Lee , Joshua Bang , Youngrae Kim , Hyungwon Choi , Sang-Yun Oh , Joong-Ho Won

In this work, we explore online convex optimization (OCO) and introduce a new condition and analysis that provides fast rates by exploiting the curvature of feasible sets. In online linear optimization, it is known that if the average…

Machine Learning · Computer Science 2025-02-18 Taira Tsuchiya , Shinji Ito

Accurate segmentation of neuronal cells in fluorescence microscopy is a fundamental task for quantitative analysis in computational neuroscience. However, it is significantly impeded by challenges such as the coexistence of densely packed…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Ujjwal Jain , Oshin Misra , Roshni Chakraborty , Mahua Bhattacharya

Online coverage planning can be useful in applications like field monitoring and search and rescue. Without prior information of the environment, achieving resolution-complete coverage considering the non-holonomic mobility constraints in…

Robotics · Computer Science 2020-07-01 Xinyue Kan , Hanzhe Teng , Konstantinos Karydis

While stochastic geometry provides a powerful framework for the analysis of cellular networks, standard Monte Carlo simulations often suffer from slow convergence due to the stochasticity of the infinite far-field. This work introduces the…

Data detection in large-scale multiple-input multiple-output (MIMO) systems with higher-order quadrature amplitude modulation (QAM) remains a challenging problem due to the exponential complexity of the classical maximum likelihood (ML)…

Signal Processing · Electrical Eng. & Systems 2026-04-21 Soumyadip Paul , Sourav Banerjee , Debanjan Bhowmik , Neel Kanth Kundu

Consistent hashing is fundamental to distributed systems, but ring-based schemes can exhibit high peak-to-average load ratios unless they use many virtual nodes, while multi-probe methods improve balance at the cost of scattered memory…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-30 Yongjie Guan

We describe a new Hybrid Monte Carlo (HMC) algorithm for dynamical overlap fermions, which improves the rate of topological index changes by adding an additional (intensive) term to the action for the molecular dynamics part of the…

High Energy Physics - Lattice · Physics 2012-02-28 Nigel Cundy , Weonjong Lee

A two-layer neural network model that systematically includes correlations among input variables to arbitrary order and is designed to implement Bayes inference has been adapted to classify breast cancer tumors as malignant or benign,…

Machine Learning · Computer Science 2019-12-17 Aditya Cowsik , John W. Clark

This paper presents a novel decentralized high-dimensional Bayesian optimization (DEC-HBO) algorithm that, in contrast to existing HBO algorithms, can exploit the interdependent effects of various input components on the output of the…

Machine Learning · Statistics 2018-01-25 Trong Nghia Hoang , Quang Minh Hoang , Ruofei Ouyang , Kian Hsiang Low

We investigate the properties of the Hybrid Monte-Carlo algorithm (HMC) in high dimensions. HMC develops a Markov chain reversible w.r.t. a given target distribution $\Pi$ by using separable Hamiltonian dynamics with potential $-\log\Pi$.…

Land use and land cover (LULC) classification using remote sensing imagery plays a vital role in many environment modeling and land use inventories. In this study, a hybrid feature optimization algorithm along with a deep learning…

Image and Video Processing · Electrical Eng. & Systems 2020-11-10 R. Ganesh Babu , K. Uma Maheswari , C. Zarro , B. D. Parameshachari , S. L. Ullo

We have developed a new halo finding method, Physically Self-Bound (PSB) group finding algorithm, which can efficiently identify halos located even at crowded regions. This method combines two physical criteria such as the tidal radius of a…

Astrophysics · Physics 2009-11-10 Juhan Kim , Changbom Park

Clustering is a crucial component of many data mining systems involving the analysis and exploration of various data. Data diversity calls for clustering algorithms to be accurate while providing stable (i.e., deterministic and robust)…

Social and Information Networks · Computer Science 2019-12-19 Artem Lutov , Mourad Khayati , Philippe Cudré-Mauroux

We present a new method that simultaneously solves for cosmology and galaxy bias on non-linear scales. The method uses the halo model to analytically describe the (non-linear) matter distribution, and the conditional luminosity function…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 Frank van den Bosch , Surhud More , Marcello Cacciato , Houjun Mo , Xiaohu Yang

Genome-scale gene networks contain regulatory genes called hubs that have many interaction partners. These genes usually play an essential role in gene regulation and cellular processes. Despite recent advancements in high-throughput…

Quantitative Methods · Quantitative Biology 2017-10-06 Nurgazy Sulaimanov , Sunil Kumar , Frédéric Burdet , Mark Ibberson , Marco Pagni , Heinz Koeppl