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gDLS*: Generalized Pose-and-Scale Estimation Given Scale and Gravity Priors [article]

Victor Fragoso, Joseph DeGol, Gang Hua
2020 arXiv   pre-print
We present gDLS*, a generalized-camera-model pose-and-scale estimator that utilizes rotation and scale priors. gDLS* allows an application to flexibly weigh the contribution of each prior, which is important  ...  Compared to state-of-the-art generalized-pose-and-scale estimators (e.g., gDLS), our experiments on both synthetic and real data consistently demonstrate that gDLS* accelerates the estimation process and  ...  Acknowledgment Gang Hua was supported in part by the National Key R&D Program of China Grant 2018AAA0101400 and NSFC Grant 61629301.  ... 
arXiv:2004.02052v1 fatcat:qq5pcaapsjfwroouqwjq4w7ybu

gDLS*: Generalized Pose-and-Scale Estimation Given Scale and Gravity Priors

Victor Fragoso, Joseph DeGol, Gang Hua
2020 2020 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)  
Compared to state-of-the-art generalized-pose-and-scale estimators (e.g. gDLS), our experiments on both synthetic and real data consistently demonstrate that gDLS* accelerates the estimation process and  ...  We present gDLS*, a generalizedcamera-model pose-and-scale estimator that utilizes rotation and scale priors. gDLS* allows an application to flexibly weigh the contribution of each prior, which is important  ...  Acknowledgment Gang Hua was supported in part by the National Key R&D Program of China Grant 2018AAA0101400 and NSFC Grant 61629301.  ... 
doi:10.1109/cvpr42600.2020.00228 dblp:conf/cvpr/FragosoD020 fatcat:qawzmx63encn5hvsvqnrsy2r4u

Water management studies in PEM fuel cells, Part II: Ex situ investigation of flow maldistribution, pressure drop and two-phase flow pattern in gas channels

Z. Lu, S.G. Kandlikar, C. Rath, M. Grimm, W. Domigan, A.D. White, M. Hardbarger, J.P. Owejan, T.A. Trabold
2009 International journal of hydrogen energy  
A flow pattern map is developed using superficial water and air velocities with clearly defined transition regions. ª  ...  Slug residence time, measured from the video observation and the instantaneous flow rate data, is found to be a new parameter to describe the slug flow.  ...  Acknowledgments This work is conducted in the Thermal Analysis, Microfluidics and Fuel Cell Laboratory in the Mechanical Engineering Department at Rochester Institute of Technology and is supported by  ... 
doi:10.1016/j.ijhydene.2008.12.025 fatcat:4dix4hpyqvewpewt6jj4msry5a

Minimal Cases for Computing the Generalized Relative Pose using Affine Correspondences [article]

Banglei Guan, Ji Zhao, Daniel Barath, Friedrich Fraundorfer
2021 arXiv   pre-print
It is shown that the accuracy of the estimated poses is superior to the state-of-the-art techniques.  ...  We propose three novel solvers for estimating the relative pose of a multi-camera system from affine correspondences (ACs).  ...  In IEEE International Conference on Robotics and Au- alized pose-and-scale estimation given scale and gravity pri- tomation, pages 12034–12043, 2014. 6, 12  ... 
arXiv:2007.10700v2 fatcat:43rwihi7ivgq3jyjfxlrigmq6q

Bottom Topography Mapping via Nonlinear Data Assimilation

Edward D. Zaron, Marie-Aude Pradal, Patrick D. Miller, Alan F. Blumberg, Nickitas Georgas, Wei Li, Julia Muccino Cornuelle
2011 Journal of Atmospheric and Oceanic Technology  
Once the topography has been estimated, currents and water levels may be forecast.  ...  The method makes feasible 1) the estimation of bottom topography in regions where in situ data collection may be impossible, dangerous, or expensive, and 2) the calibration of barotropic shallow-water  ...  Arete Associates provided the surface current observations used in this project, and we gratefully acknowledge their support and participation.  ... 
doi:10.1175/jtech-d-11-00070.1 fatcat:7c3rku4wwrdupnhoxmxbsgrph4

Software Engineering For Automated Game Design [article]

Michael Cook
2020 arXiv   pre-print
In this paper we explore the impact of software engineering decisions on the ability of an automated game design system to understand a game's codebase, generate new game code, and evaluate its work.  ...  As we develop more assistive and automated game design systems, the question of how these systems should be integrated into game development workflows, and how much adaptation may be required, becomes  ...  In our prior work in [15] , our AGD system invented game mechanics that let the player control the game's physics system, allowing them to change the bounciness and gravity of the level at will.  ... 
arXiv:2004.01770v1 fatcat:eqw4rttwabbxrp473khllmkdii

Initial Assessment of a Fuel Cell—Gas Turbine Hybrid Propulsion Concept

Arne Seitz, Markus Nickl, Florian Troeltsch, Kathrin Ebner
2022 Aerospace (Basel)  
Fuel cell stack efficiency and specific power levels are methodically derived from latest experimental studies at the laboratory scale.  ...  The functional principles of the system concept are introduced and discussed, and appropriate methodology for an initial concept evaluation is formulated.  ...  g represents the gravity constant.  ... 
doi:10.3390/aerospace9020068 fatcat:f3gnoo5dtnanhbg42i2clw4wbe

The polarisation of remote work [article]

Fabian Braesemann, Fabian Stephany, Ole Teutloff, Otto Kässi, Mark Graham, Vili Lehdonvirta
2021 arXiv   pre-print
Specifically, does remote work bring jobs to rural areas or is it concentrating in large cities, and how do skill requirements affect competition for jobs and wages?  ...  The findings suggest that remote work is shaped by agglomerative forces, which are deepening the gap between urban and rural areas.  ...  In general, the data coverage was better in World Bank and OECD data than in the GDL data base.  ... 
arXiv:2108.13356v1 fatcat:fj4witymtfgnxbyk4k6fssgr6e

Acrylic target vessels for a high-precision measurement of θ13with the Daya Bay antineutrino detectors

H R Band, R L Brown, J Cherwinka, J Cao, Y Chang, W R Edwards, W S He, K M Heeger, Y K Heng, T H Ho, Y B Hsiung, L S Greenler (+13 others)
2012 Journal of Instrumentation  
We give an overview of the design, fabrication, shipping, and installation of the acrylic target vessels and their liquid overflow tanks.  ...  The acrylic quality assurance program and vessel characterization, which measures all geometric, optical, and material properties relevant to νe detection at Daya Bay are summarized.  ...  Acknowledgments This work was done under DOE contract and with support of the University of Wisconsin Foundation.  ... 
doi:10.1088/1748-0221/7/06/p06004 fatcat:wtr2hqr6xnbxhjz3i4gwbbcmda

Review on the Production of Polysaccharide Aerogel Particles

Kathirvel Ganesan, Tatiana Budtova, Lorenz Ratke, Pavel Gurikov, Victor Baudron, Imke Preibisch, Philipp Niemeyer, Irina Smirnova, Barbara Milow
2018 Materials  
An introduction to various droplets techniques available in the market is given and compared with the lab scale production of droplets using pipettes and syringes.  ...  Potential applications of polysaccharide aerogel particles are briefly given. Finally, the conclusions summarize the prospects of the potential scale-up methods for producing bio-aerogel particles.  ...  The publication reflects the views only of the authors and the Commission cannot be held responsible for any use which may be made of the information contained therein.  ... 
doi:10.3390/ma11112144 pmid:30384442 pmcid:PMC6265924 fatcat:iz4ohbxjbrhr3ofxhywgj7rdmq

Closing the water cycle from observations across scales: Where do we stand?

Wouter Dorigo, Stephan Dietrich, Filipe Aires, Luca Brocca, Sarah Carter, Jean-François Cretaux, David Dunkerley, Hiroyuki Enomoto, René Forsberg, Andreas Güntner, Michaela I. Hegglin, Rainer Hollmann (+20 others)
2021 Bulletin of The American Meteorological Society - (BAMS)  
Particularly, we assess how well they close on multiple temporal and spatial scales.  ...  assessment across scales.  ...  Acknowledgments We thank Gabi Hegerl and Robert Reinecke for their advice on the manuscript and Andrea Wessler for graphic editing.  ... 
doi:10.1175/bams-d-19-0316.1 fatcat:quowsacbdvhv7phvlno653t7ii

Table of Contents

2020 2020 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)  
, China) gDLS*: Generalized Pose-and-Scale Estimation Given Scale and Gravity Priors 2207 Victor Fragoso (Microsoft) , Joseph DeGol (Microsoft) , and Gang Hua (Wormpex AI) Embodied Language Grounding  ...  Sun (Nanjing University of Science and Technology, Nanjing, China), and Fei Yang (Nanjing University of Science and Technology, Nanjing, China) Knowledge As Priors: Cross-Modal Knowledge Generalization  ... 
doi:10.1109/cvpr42600.2020.00004 fatcat:c7els2kee5cq7lh6cemeqhdcoa

Similar gait action recognition using an inertial sensor

Trung Thanh Ngo, Yasushi Makihara, Hajime Nagahara, Yasuhiro Mukaigawa, Yasushi Yagi
2015 Pattern Recognition  
strike computed employing a scale-space technique.  ...  up/down stairs, and up/down a slope) captured by three inertial sensors at different positions (center, left, and right) and orientations on the participant's waist.  ...  The duration of a walking gait period is assumed to be between T min ¼700 ms and T max ¼1600 ms by considering the prior knowledge on natural walking gait styles on large scale and large population databases  ... 
doi:10.1016/j.patcog.2014.10.012 fatcat:gvsi5wemb5amjgporx3zjp5yly

Mechanical and hydrologic properties of Whillans Ice Stream till: Implications for basal strength and stick-slip failure

J. R. Leeman, R. D. Valdez, R. B. Alley, S. Anandakrishnan, D. M. Saffer
2016 Journal of Geophysical Research - Earth Surface  
For perturbations over time scales of weeks to months, as expected for till motion over basement features, the drained zone is a few meters thick.  ...  provides an approach to quantify and monitor in situ conditions.  ...  This work was supported through NSF OPP 0424589, the Center for Remote Sensing of Ice Sheets (CReSIS), and the GDL foundation.  ... 
doi:10.1002/2016jf003863 fatcat:mxb2hmy4pjc4jitebnn7xva3iq

Eos, Transactions, American Geophysical Union Volume 93, Number 38, 18 September 2012

2012 EOS  
In particular, we seek a candidate with research expertise in environmental and ground water issues, complemented with a knowledge of computer modeling and an interest in sustainability.  ...  Acknowledgements Funded by the Strategic Environmental Research and Development Program (SERDP) grant SI-1703SPAWAR to SPAWAR Systems Center Pacific.  ...  In general, the riser drilling technology, which is required to drill really deep holes in soft sedimentary formations, poses risks for the study of microbes and microbial processes.  ... 
doi:10.1029/eost2012eo38 fatcat:zbyqdzrfrfaixmq47n24g5v5bu
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