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Image-Laser Fusion for In Situ 3D Modeling of Complex Environments: A 4D Panoramic-Driven Approach
[chapter]
2012
Modeling and Simulation in Engineering
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The in-situ 3D modeling problem The in-situ 3D modeling problem is concerned with the automatic environment sensing through the use of active (laser) and/or passive (cameras) 3D vision and aims at generating ...
Several research works introduced either 2D and 3D ...
We developed a pair-wise scan matcher algorithm by matching 2D panoramic views, solving simultaneously the above interrelated problems using a pyramidal dense correlation framework via quaternions. ...
doi:10.5772/30269
fatcat:m25yasqni5fn7hfln5my4s2gbi
Image Alignment and Stitching: A Tutorial
2006
Foundations and Trends in Computer Graphics and Vision
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They are ideally suited for applications such as video stabilization, summarization, and the creation of panoramic mosaics. ...
used to produce seamless mosaics. ...
This error can be distributed evenly across the whole sequence by taking the quotient of the two quaternions associated with these rotations and dividing this "error quaternion" by the number of images ...
doi:10.1561/0600000009
fatcat:b6t2liox4nacxfjopbtf2d6jhe
A vision-based approach for high accuracy assessment of satellite attitude
2009
2009 IEEE 12th International Conference on Computer Vision Workshops, ICCV Workshops
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Through these studies we have been able to characterize, and often overcome, the traps hidden at the development stage to propose the first vision based approach to determine with very a high accuracy ...
In this work we present the achievements of the approach we have conceived to estimate in real time the attitude of a satellite endowed with an integral camera looking to the Earth. ...
Melega and D. Modenini) for providing us with the data of their orbital/attitude simulator developed in the context of the STARS project. ...
doi:10.1109/iccvw.2009.5457628
dblp:conf/iccvw/BevilacquaGC09
fatcat:2ofparxxtveojp44nxs2uczc5q
Automated localisation of Mars rovers using co-registered HiRISE-CTX-HRSC orthorectified images and wide baseline Navcam orthorectified mosaics
2016
Icarus (New York, N.Y. 1962)
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Finally, we demonstrate results of wide baseline stereo reconstruction with fixed mast position rover stereo imagery and its application to ground-to-orbit co-registration with HiRISE orthorectified image ...
We present a wide range of research results in the area of orbit-to-orbit and orbit-to-ground data fusion, achieved within the EU-FP7 PRoVisG project and EU-FP7 PRoViDE project. ...
An intra-stereo DTM construction and interpolation process is required because a general correlation matcher cannot deal with affine distortion. ...
doi:10.1016/j.icarus.2016.06.017
fatcat:sy22mhxyqvfrviypjtxbrmptxq
Disclinations, dislocations, and continuous defects: A reappraisal
2008
Reviews of Modern Physics
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2007 pre-print arXiv:0704.3055v1 fatcat:gu6djurx3nffdlgpalhzg2q6wy
The relaxation mechanisms associated with a disclination in its creation, motion, change of shape, involve an interplay with continuous or quantized dislocations and/or continuous disclinations. ...
Disclinations, first observed in mesomorphic phases, are relevant to a number of ill-ordered condensed matter media, with continuous symmetries or frustrated order. ...
Acknowledgments The authors thank Yves Bréchet, Jean-Luc Martin and Helena Van Swygenhoven for discussions on nanocrystals. ...
doi:10.1103/revmodphys.80.61
fatcat:ldu6dfcftfgyrksvhxsndblumy
Dragonfly: an implementation of the expand–maximize–compress algorithm for single-particle imaging
2016
Journal of Applied Crystallography
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Single-particle imaging (SPI) with X-ray free-electron lasers has the potential to change fundamentally how biomacromolecules are imaged. ...
The challenges posed by the resultant data stream are staggering: millions of incomplete, noisy and un-oriented patterns have to be computationally assembled into a three-dimensional intensity map and ...
Acknowledgements The authors thank the referees for their careful reading of the manuscript and helpful suggestions. ...
doi:10.1107/s1600576716008165
pmid:27504078
pmcid:PMC4970497
fatcat:epzyqju5g5dgrf6sfx7d4ip3my
Acquiring and rendering high-resolution spherical mosaics
Proceedings IEEE Workshop on Omnidirectional Vision (Cat. No.PR00704)
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We describe an acquisition and viewing method for high-resolution, high-dynamic range spherical image mosaics. ...
The improved rotation and internal parameter estimates are used in an interactive viewer for smooth inspection of the resulting large spherical mosaic. ...
To refine rotation estimates within a node, an automatic spherical mosaicing algorithm is used, based on maximizing a dense inter-image correlation function [3] . ...
doi:10.1109/omnvis.2000.853803
fatcat:ox2kr7s5rbgydpukgi3ekxjkbe
Toward urban model acquisition from geo-located images
Proceedings Pacific Graphics '98. Sixth Pacific Conference on Computer Graphics and Applications (Cat. No.98EX208)
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The sensor is a geo-located camera, which annotates each acquired digital image with metadata recording the date and time of image acquisition, and estimating the position and orientation of the acquiring ...
This metadata enables the formulation of reconstruction algorithms which scale well both with the number and spatial density of input images, and the complexity of the reconstructed model. ...
All aspects of the system are fully automatic, save one: a semi-automated method for registering hemispherical images with respect to each other. ...
doi:10.1109/pccga.1998.731997
dblp:conf/pg/Teller98
fatcat:mxbjvohl5rfqhoqllis3a7kz4e
Hyperuniform states of matter
2018
Physics reports
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2018 pre-print arXiv:1801.06924v1 fatcat:imzkr3qk4nfc7dkgyeaklhdf4i
Hyperuniform states of matter are correlated systems that are characterized by an anomalous suppression of long-wavelength (i.e., large-length-scale) density fluctuations compared to those found in garden-variety ...
, fluid dynamics, number theory, stochastic point processes, integral and stochastic geometry, the immune system, and photoreceptor cells. ...
0.74 [157] ) and the least dense strictly jammed packings (conjectured to be the 'tunneled crystals' with φ min = 2φ max /3 ≈ 0.49 [158] ). ...
doi:10.1016/j.physrep.2018.03.001
fatcat:4ntnfxibc5hxdcbdzmm3skqh6e
The Use of Saliency in Underwater Computer Vision: A Review
2020
Remote Sensing
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Underwater survey and inspection are tasks of paramount relevance for a variety of applications. ...
They are usually performed through the employment of optical and acoustic sensors installed aboard underwater vehicles, in order to capture details of the surrounding environment. ...
and mosaicing. ...
doi:10.3390/rs13010022
fatcat:7i6r2jftdvdtzepcecm56pqqhi
Image-based interactive exploration of real-world environments
2004
IEEE Computer Graphics and Applications
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(We could also automate this process by correlating visual motion estimates with the hand-drawn map.) ...
I 4 . 4 The algorithm matches pairs of 3D rays based on cross correlation. ...
doi:10.1109/mcg.2004.1297011
pmid:15628073
fatcat:a4v2bwkxfbd3ddyjdy3hdf3z5e
Catalogue of wide binary, trinary and quaternary candidates from the Gaia data release 2 (region | b| >25)
[article]
2021
arXiv
pre-print
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The field of stars is divided into a mosaic of small pieces, which represent a statistical set for analysis. ...
Specifically, data input is represented by a grid of circles (events) with radius 0.02 covering the sky in the field of galactic latitude | b| >25. ...
In section 2.4 we show that distributions of the projection and correlations with proper motion allow us to obtain information about binary orbit. ...
arXiv:2104.04231v2
fatcat:obpok2thgbbxxkg33q5nafy4ea
3D Shape Registration
[chapter]
2012
3D Imaging, Analysis and Applications
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Three case studies are then described with an increasing level of difficulty. The first case study describes a simple but effective technique to detect outliers. ...
Finally, open issues and directions for future work are discussed and conclusions are drawn. ...
Compute the Jacobian matrix of LM-ICP by encoding rotation with quaternions. 12 5. ...
doi:10.1007/978-1-4471-4063-4_6
fatcat:xzu2upyznzgn5ob3q66wufifne
Parametric Dense Visual SLAM
2012
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We continue by developing different methods for dense tracking and constrained dense SLAM in different applications such as spherical mosaicing. ...
Finally, we show how live dense tracking can be tightly integrated with dense reconstruction to create a 6 DOF monocular live dense SLAM system which outperforms the current state of the art in many respects ...
Starting with intrinsicsFigure 5.11: Outdoor spherical mosaics.
Figure 5 . 5 12: 360 • spherically-projected panoramas for three indoor sequences, taken with different lenses. ...
doi:10.25560/9618
fatcat:nuz4j4uqevddtevwjitrhm6sau
Towards a fourth spatial dimension of brain activity
2016
Cognitive Neurodynamics
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CONTENT The fourth dimension of brain activity and novel correlated neurotechniques 1 ...
In particular, the Borsuk-Ulam Theorem (BUT) states that, if a single point projects to a higher spatial dimension, it gives rise to two antipodal points with matching description. ...
A direct proof of this theorem is symmetric with the proof of the Borsuk-Ulam Theorem is given by , since we assume that S d is an inner sphere of S n symmetric about the center of S n and, from the Schleicher ...
doi:10.1007/s11571-016-9379-z
pmid:27275375
pmcid:PMC4870410
fatcat:kgfvl25o6fcpfdiitcmvaumska
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