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Image-based yield detection in agriculture could raiseharvest efficiency and cultivation performance of farms. Following this goal, this research focuses on improving instance segmentation of field crops under varying environmental…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Nils Lüling , David Reiser , Alexander Stana , H. W. Griepentrog

Understanding the confidence with which a machine learning model classifies an input datum is an important, and perhaps under-investigated, concept. In this paper, we propose a new calibration metric, the Entropic Calibration Difference…

Machine Learning · Computer Science 2025-02-21 Daniel James Sumler , Lee Devlin , Simon Maskell , Richard O. Lane

Nighttime camera-based depth estimation is a highly challenging task, especially for autonomous driving applications, where accurate depth perception is essential for ensuring safe navigation. Models trained on daytime data often fail in…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Simon de Moreau , Yasser Almehio , Andrei Bursuc , Hafid El-Idrissi , Bogdan Stanciulescu , Fabien Moutarde

A series of numerical simulations of Rayleigh-B{\'e}nard convection in a cubic cavity are conducted in order to examine the structure of the thermal boundary layer in case of mixed boundary conditions. The main goal of the study is the…

Fluid Dynamics · Physics 2020-10-29 Andrei Sukhanovskii , Andrei Vasiliev

The H.E.S.S. experiment in Namibia is a high-energy gamma-ray telescope sensitive in the energy range from 30 GeV to a several tens of TeV, that uses the atmospheric Cherenkov technique to detect showers developed within the atmosphere. The…

Instrumentation and Methods for Astrophysics · Physics 2019-01-23 J. Devin , J. Bregeon , G. Vasileiadis , Y. A. Gallant

Deep super-resolution networks for precipitation downscaling achieve strong bulk skill yet systematically under-predict the heavy-tail events that drive flood risk. We demonstrate that the primary obstacle is the loss function, not the…

Machine Learning · Computer Science 2026-05-14 Hamed Najafi , Gareth Lagerwall , Jayantha Obeysekera , Jason Liu

Recent measurements on extremely-underdoped YBa2Cu3O6+y [Phys. Rev. Lett. 99, 237003 (2007)] have allowed the critical temperature (T_c), superfluid density [rho_0 (T << T_c)] and dc conductivity [sigma_dc (T ~ T_c)] to be determined for a…

Superconductivity · Physics 2009-11-23 C. C. Homes

In a recent paper, we investigated possible systematic uncertainties related to the Cepheid color-luminosity calibration method and their influence on the tension between the Hubble constant as inferred from distances to Type Ia supernovae…

Cosmology and Nongalactic Astrophysics · Physics 2023-01-03 Edvard Mortsell , Ariel Goobar , Joel Johansson , Suhail Dhawan

The effects of ionic ordering in DNA water solutions are studied by conductivity experiments. The conductivity measurements are performed for the solutions of DNA with KCl salt in the temperature range from 28 to 70 C. Salt concentration…

Biomolecules · Quantitative Biology 2014-01-06 O. O. Liubysh , O. M. Alekseev , S. Yu. Tkachov , S. M. Perepelytsya

A complete reassessment of the HST observations of the transits of the extrasolar planet HD209458b has provided a transmission spectrum of the atmosphere over a wide range of wavelengths. Analysis of the NaI absorption line profile has…

Earth and Planetary Astrophysics · Physics 2015-05-20 A. Vidal-Madjar , D. K. Sing , A. Lecavelier des Etangs , R. Ferlet , J. -M. Desert , G. Hebrard , I. Boisse , D. Ehrenreich , C. Moutou

Wetlands are significant carbon sinks, yet methane emissions partially offset this function due to its high global warming potential. Coastal tidal wetlands, unlike non-tidal wetlands, are regulated by oceanic drivers like salinity…

Geophysics · Physics 2025-12-17 Xun Cai , Xiucheng Yang , Peter A. Raymond

Data on the coupled influence of pressure and temperature on rock thermal conductivity remain limited. This study adapts a multi-anvil cubic press to enable steady-state thermal conductivity measurements under controlled in-situ conditions.…

Geophysics · Physics 2025-10-21 Nima Haghighat , Hem B. Motra , Amir S. Sattari , Frank Wuttke

The coexistence of charge density wave (CDW) and superconductivity in tantalum disulfide (2H-TaS$_2$) at ambient pressure, is boosted by applying hydrostatic pressures up to 30GPa, thereby inducing a typical dome-shaped superconducting…

We present improvements to the pointing accuracy of the South Pole Telescope (SPT) using machine learning. The ability of the SPT to point accurately at the sky is limited by its structural imperfections, which are impacted by the extreme…

Recent measurements of the superconducting penetration depth in Ba(Fe_1-x Co_x)2As2 appeared to disagree on the magnitude and curvature of {\Delta}{\lambda}_{ab}(T), even near optimal doping. These measurements were carried out on different…

Using the atmospheric structure from a 3D global radiation-hydrodynamic simulation of HD 189733b and the open-source BART code, we investigate the difference between the secondary-eclipse temperature structure produced with a 3D simulation…

Earth and Planetary Astrophysics · Physics 2018-03-20 Jasmina Blecic , Ian Dobbs-Dixon , Thomas Greene

The implementation of electron- and hole-doping, in conjunction to applied pressure, is analyzed as a mechanism to induce or enhance the superconducting state on fcc YH$_3$ and ScH$_3$. In particular, the evolution of their structural,…

Superconductivity · Physics 2022-05-18 S. Villa-Cortés , O. De la Peña-Seaman

Context. The atmosphere of exoplanets has been studied extensively in recent years, using numerical models to retrieve chemical composition, dynamical circulation or temperature from data. One of the best observational probes in…

Earth and Planetary Astrophysics · Physics 2020-01-22 J. V. Seidel , D. Ehrenreich , L. Pino , V. Bourrier , B. Lavie , R. Allart , A. Wyttenbach , C. Lovis

The Hubble tension might be resolved by injecting a new energy component, called Early Dark Energy (EDE), prior to recombination. An Anti-de Sitter (AdS) phase around recombination can make the injected energy decay faster, which thus…

Cosmology and Nongalactic Astrophysics · Physics 2021-11-25 Jun-Qian Jiang , Yun-Song Piao

We examine the effects of the low-level substitution of S atoms by C and Si atoms on the superconductivity of H$_3$S with the $Im\bar{3}m$ structure at megabar pressure. The hole doping can fine-tune the Fermi energy to reach the electronic…

Superconductivity · Physics 2020-12-17 Yanfeng Ge , Fan Zhang , Ranga P. Dias , Russell J. Hemley , Yugui Yao