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Monitoring agricultural activities is important to ensure food security. Remote sensing plays a significant role for large-scale continuous monitoring of cultivation activities. Time series remote sensing data were used for the generation…

机器学习 · 计算机科学 2024-11-20 Kazi Hasibul Kabir , Md. Zahiruddin Aqib , Sharmin Sultana , Shamim Akhter

Multispectral imagery is frequently incorporated into agricultural tasks, providing valuable support for applications such as image segmentation, crop monitoring, field robotics, and yield estimation. From an image segmentation perspective,…

计算机视觉与模式识别 · 计算机科学 2023-08-02 Nuno Cunha , Tiago Barros , Mário Reis , Tiago Marta , Cristiano Premebida , Urbano J. Nunes

The reuse of medico-administrative and synthetic spatial data may overcome some limitations of population-based registries, provided rigorous validation is performed. However, no tool exists to spatially validate a candidate-for-reuse…

统计方法学 · 统计学 2026-05-25 Mathias Brugel , Florine Kempf , Camille Ternynck , Marta Blangiardo , Michaël Génin

Dynamic high resolution data on human population distribution is of great importance for a wide spectrum of activities and real-life applications, but is too difficult and expensive to obtain directly. Therefore, generating fine-scaled…

计算机视觉与模式识别 · 计算机科学 2018-11-29 Zefang Zong , Jie Feng , Kechun Liu , Hongzhi Shi , Yong Li

We describe and analyze a broad class of mixture models for real-valued multivariate data in which the probability density of observations within each component of the model is represented as an arbitrary combination of basis functions.…

统计方法学 · 统计学 2025-02-28 M. E. J. Newman

In the process of training a generative model, it becomes essential to measure the discrepancy between two high-dimensional probability distributions: the generative distribution and the ground-truth distribution of the observed dataset.…

机器学习 · 统计学 2023-12-07 Seunghwan An , Sungchul Hong , Jong-June Jeon

Multivariate longitudinal data of mixed-type are increasingly collected in many science domains. However, algorithms to cluster this kind of data remain scarce, due to the challenge to simultaneously model the within- and between-time…

机器学习 · 统计学 2025-09-16 Francesco Amato , Julien Jacques

Joint Species Distribution Models are essential for understanding how ecological drivers shape species communities. However, most existing approaches are limited by rigid parametric distributions for count data and the inability to model…

统计方法学 · 统计学 2025-12-05 Lukas Graz , Luisa Barbanti , Roland Brandl , Torsten Hothorn

The analysis of mixed data has been raising challenges in statistics and machine learning. One of two most prominent challenges is to develop new statistical techniques and methodologies to effectively handle mixed data by making the data…

机器学习 · 计算机科学 2017-08-21 Tu Dinh Nguyen , Truyen Tran , Dinh Phung , Svetha Venkatesh

An algorithm to improve performance parameter for unsupervised decision forest clustering and density estimation is presented. Specifically, a dual assignment parameter is introduced as a density estimator by combining Random Forest and…

计算机视觉与模式识别 · 计算机科学 2015-07-19 Hayder Albehadili , Naz Islam

This study explores the promising potential of integrating sensing capabilities into multiple-input multiple-output (MIMO)-orthogonal frequency division multiplexing (OFDM)-based networks through innovative multi-sensor fusion techniques,…

信号处理 · 电气工程与系统科学 2023-12-13 Elia Favarelli , Elisabetta Matricardi , Lorenzo Pucci , Wen Xu , Enrico Paolini , Andrea Giorgetti

This paper deals with the estimation of population sizes for respondent-driven sampling (RDS), a variant of link-tracing sampling that leverages social networks over a number of waves to recruit individuals from hidden populations. The RDS…

统计方法学 · 统计学 2023-07-24 Mamadou Yauck

We propose a Self-Regulated Swarm (SRS) algorithm which hybridizes the advantageous characteristics of Swarm Intelligence as the emergence of a societal environmental memory or cognitive map via collective pheromone laying in the landscape…

神经与进化计算 · 计算机科学 2007-05-23 Vitorino Ramos , Carlos Fernandes , Agostinho C. Rosa

There is an urgent need to build models to tackle Indoor Air Quality issue. Since the model should be accurate and fast, Reduced Order Modelling technique is used to reduce the dimensionality of the problem. The accuracy of the model, that…

Adaptive causal representation learning from observational data is presented, integrated with an efficient sample splitting technique within the semiparametric estimating equation framework. The support points sample splitting (SPSS), a…

机器学习 · 统计学 2024-11-25 Lynda Aouar , Han Yu

When outcomes are missing for reasons beyond an investigator's control, there are two different ways to adjust a parameter estimate for covariates that may be related both to the outcome and to missingness. One approach is to model the…

统计方法学 · 统计学 2008-12-18 Joseph D. Y. Kang , Joseph L. Schafer

Despite a large body of literature on trip inference using call detail record (CDR) data, a fundamental understanding of their limitations is lacking. In particular, because of the sparse nature of CDR data, users may travel to a location…

应用统计 · 统计学 2023-10-09 Zhan Zhao , Haris N. Koutsopoulos , Jinhua Zhao

Mixed-species growth models are needed as a synthesis of ecological knowledge and for guiding forest management. Individual-tree models have been commonly used, but the difficulties of reliably scaling from the individual to the stand level…

定量方法 · 定量生物学 2016-11-08 Oscar García

Species distribution models (SDMs) are important statistical tools for ecologists to understand and predict species range. However, standard SDMs do not explicitly incorporate dynamic processes like dispersal. This limitation may lead to…

种群与进化 · 定量生物学 2021-08-27 Julie Louvrier , Julien Papaïx , Christophe Duchamp , Olivier Gimenez

The problem of effectively exploiting the information multiple data sources has become a relevant but challenging research topic in remote sensing. In this paper, we propose a new approach to exploit the complementarity of two data sources:…

计算机视觉与模式识别 · 计算机科学 2022-04-12 Heng-Chao Li , Wen-Shuai Hu , Wei Li , Jun Li , Qian Du , Antonio Plaza
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