Results 31 to 40 of about 72,600 (267)

VAE+DDPG: An Attention‐Enhanced Variational Autoencoder for Deep Reinforcement Learning‐Based Autonomous Navigation in Low‐Light Environments

open access: yesAdvanced Intelligent Systems, EarlyView.
Variational Autoencoder+Deep Deterministic Policy Gradient addresses low‐light failures of infrared depth sensing for indoor robot navigation. Stage 1 pretrains an attention‐enhanced Variational Autoencoder (Convolutional Block Attention Module+Feature Pyramid Network) to map dark depth frames to a well‐lit reconstruction, yielding a 128‐D latent code ...
Uiseok Lee   +7 more
wiley   +1 more source

Introduction to Individual Contribution by the VI Scientific and Professional Conferences with International Participation Geodesy, Cartography and Geographic Information Systems 2010 [PDF]

open access: yesActa Montanistica Slovaca, 2011
This contribution contains a selection of articles from 6th Scientific Conference with International Participation "Geodesy,Cartography and Geographical Information Systems 2010".
Janka Sabová, Juraj Gašinec
doaj  

The Optimal Location of Ground-Based GNSS Augmentation Transceivers

open access: yesGeosciences, 2019
Modern Global Navigation Satellite Systems (GNSS) allow for positioning with accuracies ranging from tens of meters to single millimeters depending on user requirements and available equipment.
Jacek Rapinski, Artur Janowski
doaj   +1 more source

Discoveries from space exploration [PDF]

open access: yes, 1964
Space science contributions in astrophysics, geodesy, geology, meteorology, and ...
Jastrow, R.
core   +1 more source

Uncertainty Calibration in Molecular Machine Learning: Comparing Evidential and Ensemble Approaches

open access: yesChemistry – A European Journal, EarlyView.
Raw uncertainty estimates from deep evidential regression and deep ensembles are systematically miscalibrated. Post hoc calibration aligns predicted uncertainty with true errors, improving reliability and enabling efficient active learning and reducing computational cost while preserving predictive accuracy.
Bidhan Chandra Garain   +3 more
wiley   +1 more source

THE GEODESY IN THE HYDOGRAPHY

open access: yesRevista Brasileira de Cartografia, 2015
The mathematics, the computer science and the physics are the foundations for many sciences, including geodesy. The Geodesy applies those disciplines to determine both size and shape of the Earth using its gravity fi eld.
Cláudia Pereira Krueger   +1 more
doaj  

An influence of the covariance between single orbit parameters on the accuracy of observations of the pseudo-ranges and phase differences

open access: yesMetrology and Measurement Systems, 2020
The possibilities to improve values of the satellite orbit elements by employing the pseudo-ranges and differences of carrier phase frequencies measured at many reference GPS stations are analysed. An improvement of orbit ephemeris is achieved by solving
Skeivalas Jonas   +3 more
doaj   +1 more source

Free Core Nutation observed by VLBI [PDF]

open access: yes, 2013
The signature of free core nutation (FCN) is found in the motion of the celestial intermediate pole in the celestial reference frame and in the resonance behaviour of the frequency-dependent Earth tidal displacement in its diurnal band.
Böhm, Johannes   +2 more
core   +2 more sources

Invariant Measure and Universality of the 2D Yang–Mills Langevin Dynamic

open access: yesCommunications on Pure and Applied Mathematics, EarlyView.
ABSTRACT We prove that the Yang–Mills (YM) measure for the trivial principal bundle over the two‐dimensional torus, with any connected, compact structure group, is invariant for the associated renormalised Langevin dynamic. Our argument relies on a combination of regularity structures, lattice gauge‐fixing and Bourgain's method for invariant measures ...
Ilya Chevyrev, Hao Shen
wiley   +1 more source

Online-monitoring of the subway station Erdberg Vienna [PDF]

open access: yesMicro, Macro & Mezzo Geoinformation, 2016
In modern construction and planning industry, especially renovations (restructuring measures) of old objects, objects in operation etc. the safety aspect becomes more important.
Ismail KABASHI   +3 more
doaj  

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