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Related papers: Earth radius from a single sunrise image: a classr…

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Object pose estimation is a prominent task in computer vision. The object pose gives the orientation and translation of the object in real-world space, which allows various applications such as manipulation, augmented reality, etc. Various…

Computer Vision and Pattern Recognition · Computer Science 2024-10-18 Varun Burde , Artem Moroz , Vit Zeman , Pavel Burget

The obliquity of a terrestrial planet is an important clue about its formation and critical to its climate. Previous studies using simulated photometry of Earth show that continuous observations over most of a planet's orbit can be inverted…

Earth and Planetary Astrophysics · Physics 2018-03-02 Joel C. Schwartz , Clara Sekowski , Hal M. Haggard , Eric Pallé , Nicolas B. Cowan

Estimating surface reflectance (BRDF) is one key component for complete 3D scene capture, with wide applications in virtual reality, augmented reality, and human computer interaction. Prior work is either limited to controlled environments…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Kihwan Kim , Jinwei Gu , Stephen Tyree , Pavlo Molchanov , Matthias Nießner , Jan Kautz

Earthshine is sunlight that has been reflected from the dayside Earth onto the dark side of the Moon and back again to Earth. In recent times, there has been renewed interest in ground-based visible and near-infrared measurements of…

Earth and Planetary Astrophysics · Physics 2015-05-13 Enric Palle

We present a self-consistent representation of the atmosphere and implement the interactions of light with the atmosphere using a photon Monte Carlo approach. We compile global climate distributions based on historical data, self-consistent…

Instrumentation and Methods for Astrophysics · Physics 2024-03-26 J. R. Peterson , G. Sembroski , A. Dutta , C. Remacaldo

A methodology for downscaling solar irradiation from satellite-derived databases is described using R software. Different packages such as raster, parallel, solaR, gstat, sp and rasterVis are considered in this study for improving solar…

Atmospheric and Oceanic Physics · Physics 2013-12-02 F. Antonanzas-Torres , F. J. Martínez de Pisón , J. Antonanzas , O. Perpiñán

The data from solar neutrino experiments together with standard solar model predictions are used in order to derive the possible profile of the magnetic field inside the Sun, assuming the existence of a sizeable neutrino magnetic moment and…

Astrophysics · Physics 2009-10-30 Joao Pulido

An approach to the remote sensing of land surface temperature is developed using the methods of Bayesian inference. The starting point is the maximum entropy estimate for the posterior distribution of radiance in multiple bands. In order to…

Data Analysis, Statistics and Probability · Physics 2009-11-10 J. A. Morgan

Orbit determination of spacecraft in orbit has been mostly dependent on either GNSS satellite signals or ground station telemetry. Both methods present their limitations, however: GNSS signals can only be used effectively in earth orbit,…

Systems and Control · Electrical Eng. & Systems 2022-09-13 Pedro Rocha Cachim , João Gomes , Rodrigo Ventura

A measurement of the absorption of neutrinos with energies in excess of 10 TeV when traversing the Earth is capable of revealing its density distribution. Unfortunately, the existence of beams with sufficient luminosity for the task has…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. C. Gonzalez-Garcia , Francis Halzen , Michele Maltoni , Hiroyuki K. M. Tanaka

To understand its evolution and the effects of its eruptive events, the Sun is permanently monitored by multiple satellite missions. The optically-thin emission of the solar plasma and the limited number of viewpoints make it challenging to…

It is customary to employ a semi-spherical scale model to describe the apparent path of the Sun across the sky, whether it be its diurnal motion or its variation throughout the year. A flat surface and three bent semi-rigid wires…

Popular Physics · Physics 2018-09-25 Alejandro Gangui , Roberto Casazza , Carlos Paez

The concept of putting a neutrino detector in close orbit of the sun has been unexplored until very recently. The primary scientific return is to vastly enhance our understanding of the solar interior, which is a major NASA goal.…

Instrumentation and Detectors · Physics 2023-07-24 N. Solomey , J. Folkerts , H. Meyer , C. Gimar , J. Novak , B. Doty , T. English , L. Buchele , A. Nelsen , R. McTaggart , M. Christl

Ground-based synoptic solar observations provide critical contextual data used to model the large-scale state of the heliosphere. The next decade will see a combination of ground-based telescopes and space missions that will study our Sun's…

Accurate determination of fireball direction is essential for retrieving trajectories and velocities. Errors in these measurements have significant implications, affecting the calculated pre-impact orbit, influencing mass estimates, and…

Instrumentation and Methods for Astrophysics · Physics 2026-05-27 Jaakko Visuri , Maria Gritsevich , Janne Sievinen

Inverse techniques are used to extract information about an exoplanet's atmosphere. These techniques are prone to biased results if the appropriate forward model is not used. One assumption used in a forward model is to assume that the…

Earth and Planetary Astrophysics · Physics 2022-03-30 Jake Taylor

Direct imaging is likely the best way to characterize the atmospheres of Earth-sized exoplanets in the habitable zone of Sun-like stars. Previously, Stark et al. (2014, 2015, 2016) estimated the Earth twin yield of future direct imaging…

Earth and Planetary Astrophysics · Physics 2018-05-23 Claire Marie Guimond , Nicolas B. Cowan

Introducing Modern Physics represents an increasingly urgent need, towards which physics education concentrates many efforts. In order to contribute to this attempt, at the Department of Mathematics and Physics of Roma Tre University in…

Physics Education · Physics 2023-01-02 Adriana Postiglione , Ilaria De Angelis

Improving irradiance forecasting is critical to further increase the share of solar in the energy mix. On a short time scale, fish-eye cameras on the ground are used to capture cloud displacements causing the local variability of the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Quentin Paletta , Joan Lasenby

We propose a pipeline for combined multi-class object geolocation and height estimation from street level RGB imagery, which is considered as a single available input data modality. Our solution is formulated via Markov Random Field…

Computer Vision and Pattern Recognition · Computer Science 2023-05-16 Matej Ulicny , Vladimir A. Krylov , Julie Connelly , Rozenn Dahyot