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Lumbar disk segmentation is essential for diagnosing and curing spinal disorders by enabling precise detection of disk boundaries in medical imaging. The advent of deep learning has resulted in the development of many segmentation methods,…

图像与视频处理 · 电气工程与系统科学 2024-12-30 Serkan Salturk , Irem Sayin , Ibrahim Cem Balci , Taha Emre Pamukcu , Zafer Soydan , Huseyin Uvet

The compact genetic algorithm is an Estimation of Distribution Algorithm for binary optimisation problems. Unlike the standard Genetic Algorithm, no cross-over or mutation is involved. Instead, the compact Genetic Algorithm uses a virtual…

神经与进化计算 · 计算机科学 2017-08-08 Simon M. Lucas , Jialin Liu , Diego Pérez-Liébana

Dimensionality reduction techniques are essential for visualizing and analyzing high-dimensional biological sequencing data. t-distributed Stochastic Neighbor Embedding (t-SNE) is widely used for this purpose, traditionally employing the…

机器学习 · 计算机科学 2025-12-19 Avais Jan , Prakash Chourasia , Sarwan Ali , Murray Patterson

In high-dimensional generalized linear models, it is crucial to identify a sparse model that adequately accounts for response variation. Although the best subset section has been widely regarded as the Holy Grail of problems of this type,…

机器学习 · 统计学 2023-08-02 Junxian Zhu , Jin Zhu , Borui Tang , Xuanyu Chen , Hongmei Lin , Xueqin Wang

As a result of decades of research, Windows malware detection is approached through a plethora of techniques. However, there is an ongoing mismatch between academia -- which pursues an optimal performances in terms of detection rate and low…

密码学与安全 · 计算机科学 2024-12-20 Andrea Ponte , Dmitrijs Trizna , Luca Demetrio , Battista Biggio , Ivan Tesfai Ogbu , Fabio Roli

Regression models for dichotomous data are ubiquitous in statistics. Besides being useful for inference on binary responses, these methods serve also as building blocks in more complex formulations, such as density regression, nonparametric…

统计方法学 · 统计学 2019-11-19 Daniele Durante

Joint peak detection is a central problem when comparing samples in genomic data analysis, but current algorithms for this task are unsupervised and limited to at most 2 sample types. We propose PeakSegJoint, a new constrained maximum…

机器学习 · 统计学 2015-06-04 Toby Dylan Hocking , Guillaume Bourque

Mobile applications and on-body devices are becoming increasingly ubiquitous tools for physical activity tracking. We propose utilizing a self-tracker's habits to support continuous prediction of whether they will reach their daily step…

人机交互 · 计算机科学 2016-10-19 Adam Wang , Steve Chang , John Wilson

Bayesian statistical inference has become increasingly important for the analysis of observations from the Advanced LIGO and Advanced Virgo gravitational-wave detectors. To this end, iterative simulation techniques, in particular nested…

数据分析、统计与概率 · 物理学 2019-04-25 Patricio Maturana Russel , Renate Meyer , John Veitch , Nelson Christensen

Medical imaging segmentation is a highly active area of research, with deep learning-based methods achieving state-of-the-art results in several benchmarks. However, the lack of standardized tools for training, testing, and evaluating new…

图像与视频处理 · 电气工程与系统科学 2024-11-19 Adrian Celaya , Evan Lim , Rachel Glenn , Brayden Mi , Alex Balsells , Dawid Schellingerhout , Tucker Netherton , Caroline Chung , Beatrice Riviere , David Fuentes

Recent advances in big data and analytics research have provided a wealth of large data sets that are too big to be analyzed in their entirety, due to restrictions on computer memory or storage size. New Bayesian methods have been developed…

应用统计 · 统计学 2014-09-30 Alexey Miroshnikov , Erin Conlon

Most Markov chain Monte Carlo methods operate in discrete time and are reversible with respect to the target probability. Nevertheless, it is now understood that the use of non-reversible Markov chains can be beneficial in many contexts. In…

统计方法学 · 统计学 2021-02-23 Chris Sherlock , Alexandre H. Thiery

Recognizing human activities in a sequence is a challenging area of research in ubiquitous computing. Most approaches use a fixed size sliding window over consecutive samples to extract features---either handcrafted or learned…

计算机视觉与模式识别 · 计算机科学 2017-02-22 Rui Yao , Guosheng Lin , Qinfeng Shi , Damith Ranasinghe

To solve deep metric learning problems and producing feature embeddings, current methodologies will commonly use a triplet model to minimise the relative distance between samples from the same class and maximise the relative distance…

计算机视觉与模式识别 · 计算机科学 2017-07-28 Ben Harwood , Vijay Kumar B G , Gustavo Carneiro , Ian Reid , Tom Drummond

Much of the progress made in time-domain astronomy is accomplished by relating observational multi-wavelength time series data to models derived from our understanding of physical laws. This goal is typically accomplished by dividing the…

Bayesian paradigm takes advantage of well fitting complicated survival models and feasible computing in survival analysis owing to the superiority in tackling the complex censoring scheme, compared with the frequentist paradigm. In this…

统计方法学 · 统计学 2021-09-10 Chong Zhong , Zhihua Ma , Junshan Shen , Catherine Liu

We describe an application of the MultiNest algorithm to gravitational wave data analysis. MultiNest is a multimodal nested sampling algorithm designed to efficiently evaluate the Bayesian evidence and return posterior probability densities…

广义相对论与量子宇宙学 · 物理学 2014-11-18 Farhan Feroz , Jonathan R. Gair , Michael P. Hobson , Edward K. Porter

Bayesian inference in biological modeling commonly relies on Markov chain Monte Carlo (MCMC) sampling of a multidimensional and non-Gaussian posterior distribution that is not analytically tractable. Here, we present the implementation of a…

We introduce Smart Bayes, a new classification framework that bridges generative and discriminative modeling by integrating likelihood-ratio-based generative features into a logistic-regression-style discriminative classifier. From the…

机器学习 · 统计学 2025-12-02 Zachary Terner , Alexander Petersen , Yuedong Wang

Data selection has emerged as a core issue for large-scale visual-language model pretaining (e.g., CLIP), particularly with noisy web-curated datasets. Three main data selection approaches are: (1) leveraging external non-CLIP models to aid…

机器学习 · 计算机科学 2024-12-23 Yiping Wang , Yifang Chen , Wendan Yan , Alex Fang , Wenjing Zhou , Kevin Jamieson , Simon Shaolei Du