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We present a method that learns to integrate temporal information, from a learned dynamics model, with ambiguous visual information, from a learned vision model, in the context of interacting agents. Our method is based on a…

机器学习 · 计算机科学 2019-02-27 Chen Sun , Per Karlsson , Jiajun Wu , Joshua B Tenenbaum , Kevin Murphy

Identifying undocumented or potential future interactions among species is a challenge facing modern ecologists. Recent link prediction methods rely on trait data, however large species interaction databases are typically sparse and…

应用统计 · 统计学 2019-09-23 Mohamad Elmasri , Maxwell J. Farrell , T. Jonathan Davies , David A. Stephens

Ordinal user-provided ratings across multiple items are frequently encountered in both scientific and commercial applications. Whilst recommender systems are known to do well on these type of data from a predictive point of view, their…

统计方法学 · 统计学 2025-03-05 Sjoerd Hermes

Bird strikes present a huge risk for aircraft, especially since traditional airport bird surveillance is mainly dependent on inefficient human observation. Computer vision based technology has been proposed to automatically detect birds,…

计算机视觉与模式识别 · 计算机科学 2016-01-19 Ying Huang , Hong Zheng , Haibin Ling , Erik Blasch , Hao Yang

In Chaos, a minor divergence between two initial conditions exhibits exponential amplification over time, leading to far-away outcomes, known as the butterfly effect. Thus, the distant future is full of uncertainty and hard to forecast. We…

机器学习 · 计算机科学 2024-06-17 Md Kowsher , Abdul Rafae Khan , Jia Xu

Statistical mechanics of relative species abundance (RSA) patterns in biological networks is presented. The theory is based on multispecies replicator dynamics equivalent to the Lotka-Volterra equation, with diverse interspecies…

种群与进化 · 定量生物学 2007-05-23 Kei Tokita

The recent proliferation of real-world human mobility datasets has catalyzed geospatial and transportation research in trajectory prediction, demand forecasting, travel time estimation, and anomaly detection. However, these datasets also…

机器学习 · 计算机科学 2022-07-01 Mark Tenzer , Zeeshan Rasheed , Khurram Shafique

Citizen science mobilises many observers and gathers huge datasets but often without strict sampling protocols, resulting in observation biases due to heterogeneous sampling effort, which can lead to biased statistical inferences. We…

统计方法学 · 统计学 2024-08-16 Jonathan Koh , Thomas Opitz

Accounting for the annual climatic variability is a well-known issue for simulation-based studies of environmental models. It often requires intensive sampling (e.g., averaging the simulation outputs over many climatic series), which…

最优化与控制 · 数学 2015-09-21 Victor Picheny , Ronan Trépos , Bastien Poublan , Pierre Casadebaig

Animal habitat surveys play a critical role in preserving the biodiversity of the land. One of the effective ways to gain insights into animal habitats involves identifying animal footprints, which offers valuable information about species…

计算机视觉与模式识别 · 计算机科学 2024-06-17 Risa Shinoda , Kaede Shiohara

We identify the phase of a cycle as a new critical factor for tipping points (critical transitions) in cyclic systems subject to time-varying external conditions. As an example, we consider how contemporary climate variability induces…

动力系统 · 数学 2021-10-11 Hassan Alkhayuon , Rebecca C. Tyson , Sebastian Wieczorek

We consider the problem of forecasting complex, nonlinear space-time processes when observations provide only partial information of on the system's state. We propose a natural data-driven framework, where the system's dynamics are modelled…

系统与控制 · 计算机科学 2019-03-01 Ibrahim Ayed , Emmanuel de Bézenac , Arthur Pajot , Julien Brajard , Patrick Gallinari

1. Species identification errors may have severe implications for the inference of species distributions. Accounting for misclassification in species distributions is an important topic of biodiversity research. With an increasing amount of…

应用统计 · 统计学 2023-05-04 Kwaku Peprah Adjei , Robert Bob O'Hara , Anders G. Finstad , Wouter Koch

This paper presents a novel approach in wildfire prediction through the integration of multisource spatiotemporal data, including satellite data, and the application of deep learning techniques. Specifically, we utilize an ensemble model…

机器学习 · 计算机科学 2025-01-07 Ayoub Jadouli , Chaker El Amrani

Recent methodological advances are enabling better examination of speciation and extinction processes and patterns. A major open question is the origin of large discrepancies in species number between groups of the same age. Existing…

种群与进化 · 定量生物学 2015-09-01 Sacha Laurent , Marc Robinson-Rechavi , Nicolas Salamin

Mass extinction is a phenomenon in the history of life on Earth when a considerable number of species go extinct over a relatively short period of time. The magnitude of extinction varies between the events, the most well known are the…

适应与自组织系统 · 物理学 2022-08-29 Amer Alsulami , Sergei Petrovskii

The advancements in the state of the art of generative Artificial Intelligence (AI) brought by diffusion models can be highly beneficial in novel contexts involving Earth observation data. After introducing this new family of generative…

计算机视觉与模式识别 · 计算机科学 2024-02-20 Fulvio Sanguigni , Mikolaj Czerkawski , Lorenzo Papa , Irene Amerini , Bertrand Le Saux

Environmental phenomena are influenced by complex interactions among various factors. For instance, the amount of rainfall measured at different stations within a given area is shaped by atmospheric conditions, orography, and physics of…

应用统计 · 统计学 2025-01-16 Paolo Onorati , Antonio Canale

We introduce a new approach to prediction in graphical models with latent-shift adaptation, i.e., where source and target environments differ in the distribution of an unobserved confounding latent variable. Previous work has shown that as…

机器学习 · 统计学 2023-06-26 William I. Walker , Arthur Gretton , Maneesh Sahani

The persistence of biodiversity of species is a challenging proposition in ecological communities in the face of Darwinian selection. The present article investigates beyond the pairwise competitive interactions and provides a novel…

种群与进化 · 定量生物学 2022-11-09 Sourin Chatterjee , Sayantan Nag Chowdhury , Dibakar Ghosh , Chittaranjan Hens