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Irregular multivariate time series (IMTS) is characterized by the lack of synchronized observations across its different channels. In this paper, we point out that this channel-wise asynchrony can lead to poor channel-wise modeling of…

Machine Learning · Computer Science 2025-09-23 Shuhan Zhong , Weipeng Zhuo , Sizhe Song , Guanyao Li , Zhongyi Yu , S. -H. Gary Chan

One of the basic problems in data analysis lies in choosing the optimal rescaling (change of coordinate system) to study properties of a given data-set $Y$. The classical Mahalanobis approach has its basis in the classical…

Methodology · Statistics 2013-06-11 Przemysław Spurek , Jacek Tabor

Intelligent agents use internal world models to reason and make predictions about different courses of their actions at many scales. Devising learning paradigms and architectures that allow machines to learn world models that operate at…

Machine Learning · Computer Science 2023-12-05 Vaisakh Shaj , Saleh Gholam Zadeh , Ozan Demir , Luiz Ricardo Douat , Gerhard Neumann

Agro-tourism serves as a strategic economic model designed to facilitate rural development by diversifying income streams for local communities like farmers while promoting the conservation of indigenous cultural heritage and traditional…

Machine Learning · Computer Science 2025-09-12 Alka Gadakh , Vidya Kumbhar , Sonal Khosla , Kumar Karunendra

Nowadays government and private agencies use remote sensing imagery for a wide range of applications from military applications to farm development. The images may be a panchromatic, multispectral, hyperspectral or even ultraspectral of…

Machine Learning · Computer Science 2010-03-23 K. Perumal , R. Bhaskaran

Soil moisture is critical component of crop health and monitoring it can enable further actions for increasing yield or preventing catastrophic die off. As climate change increases the likelihood of extreme weather events and reduces the…

Image and Video Processing · Electrical Eng. & Systems 2020-04-28 Conrad James Foley , Sagar Vaze , Mohamed El Amine Seddiq , Alexey Unagaev , Natalia Efremova

Oil reheating has a significant impact on global health due to its extensive consumption, especially in South Asia, and severe health risks. Nevertheless, food image analysis using multispectral imaging systems(MISs) has not been applied to…

Image and Video Processing · Electrical Eng. & Systems 2022-02-08 D. Y. L. Ranasinghe , H. M. H. K. Weerasooriya , S. Herath , M. P. B. Ekanayake , H. M. V. R. Herath , G. M. R. I. Godaliyadda , T. Madhujith

The success of many machine learning and pattern recognition methods relies heavily upon the identification of an appropriate distance metric on the input data. It is often beneficial to learn such a metric from the input training data,…

Computer Vision and Pattern Recognition · Computer Science 2015-03-19 Chunhua Shen , Junae Kim , Lei Wang , Anton van den Hengel

A number of machine learning algorithms are using a metric, or a distance, in order to compare individuals. The Euclidean distance is usually employed, but it may be more efficient to learn a parametric distance such as Mahalanobis metric.…

Machine Learning · Computer Science 2016-12-16 Hoel Le Capitaine

Multivariate time series (MTS) arise when multiple interconnected sensors record data over time. Dealing with this high-dimensional data is challenging for every classifier for at least two aspects: First, an MTS is not only characterized…

Machine Learning · Computer Science 2018-08-20 Patrick Schäfer , Ulf Leser

Bangladesh is an over populated developing country where crisis of food is a major issue, it faces different infrastructure problem in every sector. For Poverty Alleviation from the country we have to confirm cultivable land to increase the…

Monte Carlo Tree Search (MCTS) based methods provide promising approaches for generating synthetic data to enhance the self-training of Large Language Model (LLM) based multi-agent systems (MAS). These methods leverage Q-values to estimate…

Computation and Language · Computer Science 2026-04-27 Wentao Shi , Zichun Yu , Fuli Feng , Xiangnan He , Chenyan Xiong

To classify time series by nearest neighbors, we need to specify or learn one or several distance measures. We consider variations of the Mahalanobis distance measures which rely on the inverse covariance matrix of the data. Unfortunately…

Machine Learning · Computer Science 2015-03-17 Zoltán Prekopcsák , Daniel Lemire

Multivariate time series(MTS) is a universal data type related to many practical applications. However, MTS suffers from missing data problems, which leads to degradation or even collapse of the downstream tasks, such as prediction and…

Machine Learning · Computer Science 2022-09-19 Kai Zhang , Qinmin Yang , Chao Li

We present a unified experiment, analysis, and benchmark study of multivariate time-series (MTS) anomaly detection. Ten family-representative detectors -- spanning statistical, reconstruction, association, frequency, and generic-transformer…

Machine Learning · Computer Science 2026-05-28 Junhao Wei , Yanxiao Li , Bidong Chen , Yifu Zhao , Haochen Li , Dexing Yao , Baili Lu , Xudong Ye , Jietian Feng , Sio-Kei Im , Yapeng Wang , Xu Yang

In this paper, a novel Bayesian nonparametric test for assessing multivariate normal models is presented. While there are extensive frequentist and graphical methods for testing multivariate normality, it is challenging to find Bayesian…

Statistics Theory · Mathematics 2020-07-09 Luai Al-Labadi , Forough Fazeli Asl , Zahra Saberi

Evaluation is important for multimodal generation tasks, while traditional multimodal evaluation metrics suffer from several limitations. With the rapid progress of MLLMs, there is growing interest in applying MLLMs to build general…

Computation and Language · Computer Science 2026-04-30 Junzhe Zhang , Huixuan Zhang , Xinyu Hu , Li Lin , Mingqi Gao , Shi Qiu , Xiaojun Wan

A high-order multi-time-step (MTS) scheme for the bond-based peridynamic (PD) model, an extension of classical continuous mechanics widely used for analyzing discontinuous problems like cracks, is proposed. The MTS scheme discretizes the…

Numerical Analysis · Mathematics 2024-01-11 Chenguang Liu , Jie Sun , Hao Tian , WaiSun Don , Lili Ju

Automatic classification of pests and plants (both healthy and diseased) is of paramount importance in agriculture to improve yield. Conventional deep learning models based on convolutional neural networks require thousands of labeled…

Computer Vision and Pattern Recognition · Computer Science 2021-09-22 Sai Vidyaranya Nuthalapati , Anirudh Tunga

Multi-object tracking is an important ability for an autonomous vehicle to safely navigate a traffic scene. Current state-of-the-art follows the tracking-by-detection paradigm where existing tracks are associated with detected objects…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Hsu-kuang Chiu , Jie Li , Rares Ambrus , Jeannette Bohg