Results 11 to 20 of about 383,058 (315)

On the Aperture Problem of Binocular 3D Motion Perception [PDF]

open access: yesVision, 2019
Like many predators, humans have forward-facing eyes that are set a short distance apart so that an extensive region of the visual field is seen from two different points of view.
Martin Lages, Suzanne Heron
doaj   +3 more sources

The missing satellite problem in 3D [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2016
It is widely believed that the large discrepancy between the observed number of satellite galaxies and the predicted number of dark subhalos can be resolved via a variety of baryonic effects which suppress star formation in low mass halos.Supporting this hypothesis, numerous high resolution simulations with star formation, and associated feedback have ...
Nierenberg, A. M.   +5 more
openaire   +5 more sources

Task Assignment and Path Planning for Multiple Autonomous Underwater Vehicles Using 3D Dubins Curves †

open access: yesSensors, 2017
This paper investigates the task assignment and path planning problem for multiple AUVs in three dimensional (3D) underwater wireless sensor networks where nonholonomic motion constraints of underwater AUVs in 3D space are considered.
Wenyu Cai   +2 more
doaj   +1 more source

Giant Panda Video Image Sequence and Application in 3D Reconstruction

open access: yesFrontiers in Physics, 2022
Giant panda 3D reconstruction technology plays an important role in the research of giant panda protection. Through the analysis of giant panda video image sequence (GPVS), we prove that it has the long-range–dependent characteristics.
Shaoxiang Hu   +3 more
doaj   +1 more source

Towards an Iterative Algorithm for the Optimal Boundary Coverage of a 3D Environment [PDF]

open access: yes, 2009
This paper presents a new optimal algorithm for locating a set of sensors in 3D able to see the boundaries of a polyhedral environment. Our approach is iterative and is based on a lower bound on the sensors' number and on a restriction of the original ...
Andrea Bottino, Bottino, Andrea Giuseppe
core   +1 more source

Practical Tips for 3D Regional Gravity Inversion

open access: yesGeosciences, 2019
To solve the inverse gravimetric problem, i.e., to estimate the mass density distribution that generates a certain gravitational field, at local or regional scale, several parameters have to be defined such as the dimension of the 3D region to be ...
Daniele Sampietro, Martina Capponi
doaj   +1 more source

Instant 3D design concept generation and visualization by real-time hand gesture recognition [PDF]

open access: yes, 2013
3D conceptual design is a creative process. While the designers are in the inspirational mode, they want to quickly express the design ideas in 3D and visualize it in real time without obstacle.
Wright, David   +9 more
core   +1 more source

A sufficient condition for a finite-time $L_2 $ singularity of the 3d Euler Equations [PDF]

open access: yes, 2005
A sufficient condition is derived for a finite-time $L_2 $ singularity of the 3d incompressible Euler equations, making appropriate assumptions on eigenvalues of the Hessian of pressure.
He, Xinyu
core   +1 more source

The 3D Dimer and Ising problems revisited

open access: yesEuropean Journal of Combinatorics, 2008
We express the finite 3D Dimer partition function as a linear combination of determinants of oriented adjacency matrices, and the finite 3D Ising partition sum as a linear combination of products over aperiodic closed walks. The methodology we use is embedding of cubic lattice on 2D surfaces of large genus.
Martin Loebl, Lenka Zdeborová
openaire   +3 more sources

3D Tdoa Problem Solution with Four Receiving Nodes

open access: yesSensors, 2019
Time difference of arrival (TDOA) positioning methods have experienced growing importance over the last few years due to their multiple applications in local positioning systems (LPSs).
Javier Díez-González   +5 more
doaj   +1 more source

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