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MODS: Fast and robust method for two-view matching

Dmytro Mishkin, Jiri Matas, Michal Perdoch
2015 Computer Vision and Image Understanding  
A novel algorithm for wide-baseline matching called MODS - Matching On Demand with view Synthesis - is presented.  ...  We introduce an improved method for tentative correspondence selection, applicable both with and without view synthesis.  ...  MODS-IR:1-7 21/22 7.6 39/46 15.1 83/100 9.1 14/15 8.6An algorithm for two-view matching called Matching On Demand with view Synthesis algorithm (MODS) was introduced.  ... 
doi:10.1016/j.cviu.2015.08.005 fatcat:ko7nxazcufbtfhhg3qy63egen4

Diagnostic Systems on Alcator C-Mod

N. P. Basse, A. Dominguez, E. M. Edlund, C. L. Fiore, R. S. Granetz, A. E. Hubbard, J. W. Hughes, I. H. Hutchinson, J. H. Irby, B. LaBombard, L. Lin, Y. Lin (+20 others)
2007 Fusion science and technology  
Several advanced and novel diagnostics contribute to the investigation of C-Mod plasmas, e.g., electron cyclotron emission, phase-contrast imaging, gas puff imaging, probe measurements, and active magnetohydrodynamic  ...  An overview of the diagnostics installed on the Alcator C-Mod tokamak is presented. Approximately 25 diagnostic systems are being operated on C-Mod.  ...  Fredian and J. A. Stillerman for data acquisition assistance and thank the Alcator C-Mod Operations and ICRF groups for expert running of the tokamak. This work was supported at MIT by the U.S.  ... 
doi:10.13182/fst07-a1434 fatcat:eukcitdgvrbvfepzyw4cy34esi

Overview of the Alcator C-Mod program

M Greenwald, D Andelin, N Basse, S Bernabei, P Bonoli, B Böse, C Boswell, R Bravenec, B Carreras, I Cziegler, E Edlund, D Ernst (+54 others)
2005 Nuclear Fusion  
SOL turbulence and transport have been studied with fast scanning electrostatic probes situated at several poloidal locations and with gas puff imaging.  ...  Research on the Alcator C-Mod tokamak has emphasized RF heating, self-generated flows, momentum transport, scrape-off layer (SOL) turbulence and transport and the physics of transport barrier transitions  ...  The most robust method for producing plasmas with ITBs in C-Mod has been by off-axis ICRF heating.  ... 
doi:10.1088/0029-5515/45/10/s09 fatcat:wmhuww67unazhokr3mfbrnf7y4

Overview of the Alcator C-MOD research programme

S. Scott, A. Bader, M. Bakhtiari, N. Basse, W. Beck, T. Biewer, S. Bernabei, P. Bonoli, B. Bose, R. Bravenec, I. Bespamyatnov, R. Childs (+76 others)
2007 Nuclear Fusion  
Alcator C-MOD has compared plasma performance with plasma-facing components (PFCs) coated with boron to all-metal PFCs to assess projections of energy confinement from current experiments to next-generation  ...  The application of these methods should allow for more accurate modelling of the central safety factor [29] .  ...  Planned facility upgrades to C-MOD over the next two years are described in section 12.  ... 
doi:10.1088/0029-5515/47/10/s09 fatcat:baulsxchojduzpk3hfsk6mowea

ICRF antenna matching systems with ferrite tuners for the Alcator C-Mod tokamak

Y. Lin, A. Binus, S.J. Wukitch, P. Koert, R. Murray, A. Pfeiffer
2015 Fusion engineering and design  
Acknowledgements Work supported by US DoE Cooperative agreement DE-FC02-99ER54512 at MIT using the Alcator C-Mod tokamak, a DOE Office of Science user facility.  ...  In this paper, we report the recent progress on the implementation and performance of real time fast matching system using ferrite tuners on the Alcator C-Mod tokamak.  ...  and fast.  ... 
doi:10.1016/j.fusengdes.2015.06.022 fatcat:ks4gv7adfbcx3bzzxvqwmhwg3m

Inference of Experimental Radial Impurity Transport on Alcator C-Mod: Bayesian Parameter Estimation and Model Selection [article]

F. Sciortino, N.T. Howard, E.S. Marmar, T. Odstrcil, N.M. Cao, R. Dux, A.E. Hubbard, J.W. Hughes, J.H. Irby, Y. Marzouk, L.M. Milanese, M.L. Reinke (+2 others)
2020 arXiv   pre-print
We analyze a sawtoothing I-mode discharge for which neoclassical and turbulent (quasilinear and nonlinear) predictions are also obtained.  ...  reliability with respect to previously demonstrated methods.  ...  Sample signal fits for the XICS Ca w and z lines are shown in Fig. 1 . Signal fits for the two VUV groups of lines measured by XEUS (viewing Ca 17+ emission) are shown in Fig. 15 .  ... 
arXiv:2006.06798v3 fatcat:pj4hk7zgbrhibiocwlrfo7l6km

J-MOD2: Joint Monocular Obstacle Detection and Depth Estimation

Michele Mancini, Gabriele Costante, Paolo Valigi, Thomas A. Ciarfuglia
2018 IEEE Robotics and Automation Letters  
We call this architecture J-MOD^2.  ...  We test the effectiveness of our approach with experiments on sequences with different appearance and focal lengths and compare it to SotA multi task methods that jointly perform semantic segmentation  ...  Driven by the previous considerations, in this work we propose a novel CNN architecture for monocular obstacle detection that is both fast and robust to focal length and appearance changes.  ... 
doi:10.1109/lra.2018.2800083 fatcat:nh5jgqljn5ev3fms53eoafqo34

20 years of research on the Alcator C-Mod tokamaka)

M. Greenwald, A. Bader, S. Baek, M. Bakhtiari, H. Barnard, W. Beck, W. Bergerson, I. Bespamyatnov, P. Bonoli, D. Brower, D. Brunner, W. Burke (+80 others)
2014 Physics of Plasmas  
Using only highpower radio frequency (RF) waves for heating and current drive with innovative launching structures, C-Mod operates routinely at reactor level power densities and achieves plasma pressures  ...  C-Mod spearheaded the development of the vertical-target divertor and has always operated with high-Z metal plasma facing componentsapproaches subsequently adopted for ITER.  ...  On C-Mod, a variety of methods was tested.  ... 
doi:10.1063/1.4901920 fatcat:y2t3zmn6crfixp3elehmpndqum

Neutral particle dynamics in the Alcator C-Mod tokamak

A Niemczewski, I.H Hutchinson, B LaBombard, B Lipschultz, G.M McCracken
1997 Nuclear Fusion  
The analysis suggests that two simple structural modifications may increase the divertor compression in Alcator C-Mod by a factor of -5.  ...  For otherwise similar plasmas the divertor pressure and compression are maximized when the strike point is located at the bottom of the vertical target plate.  ...  This gauge, however, did not satisfy Alcator C-Mod requirements of compact design and mechanical robustness.  ... 
doi:10.1088/0029-5515/37/2/i04 fatcat:ny5d6ikpajbtxkmvazurhdpm3a

Efficient, context-aware privacy leakage confinement for android applications without firmware modding

Mu Zhang, Heng Yin
2014 Proceedings of the 9th ACM symposium on Information, computer and communications security - ASIA CCS '14  
., modding) and incur considerable runtime overhead. Besides, no effective mechanism is in place to distinguish malicious privacy leakage from those of legitimate uses.  ...  The runtime overhead introduced by Capper is also minimal, merely 1.5% for intensive data propagation.  ...  On the service side, it decodes the data and searches for a match in its database. If there exists a match, it returns immediately with the saved action to the client.  ... 
doi:10.1145/2590296.2590312 dblp:conf/ccs/ZhangY14 fatcat:v65b5sfrrrfvlbi6g6taxubbea

Active excitation and damping rate measurement of intermediate-ntoroidal Alfvén eigenmodes in JET, C-Mod and MAST plasmas

A Fasoli, D Testa, T Panis, A Klein, J A Snipes, J Sears, M Gryaznevich, R Martin, S D Pinches
2010 Plasma Physics and Controlled Fusion  
Dedicated methods to measure the AE damping rate separately from the fast ion drive have been pioneered at JET, using low toroidal mode number internal saddle coil antennas.  ...  Experiments on C-Mod proved for the first time that intermediate n TAEs can be driven and detected, and point out significant differences with respect to the low-n regime on JET in the values and scaling  ...  However, despite large data sets of AE instability thresholds in the presence of different classes of fast ions, and of damping rates for stable, antenna driven AEs on JET and Alcator C-Mod, no conclusive  ... 
doi:10.1088/0741-3335/52/7/075015 fatcat:pjonx5ld2rc2vhe33j5y6m2agy

Experimental and numerical characterization of ion-cyclotron heated protons on the Alcator C-Mod tokamak

V Tang, R R Parker, P T Bonoli, J C Wright, R S Granetz, R W Harvey, E F Jaeger, J Liptac, C L Fiore, M Greenwald, J H Irby, Y Lin (+1 others)
2007 Plasma Physics and Controlled Fusion  
Using a detailed model that accounts for beam, halo, and impurity CX, core proton temperatures of ∼30-120 keV are directly measured for the first time in lower density (n e0 ∼ 0.8 − 1.5 × 10 20 /m 3 )  ...  Alcator C-Mod plasmas using only ∼0.5 MW of ICRF power.  ...  By combining these two data, a new method of estimating the core helium density is implemented for this thesis.  ... 
doi:10.1088/0741-3335/49/6/013 fatcat:sesn4taj6vfgfczz4d4s7diig4

Nonlinear transfer in heated L-modes approaching the L–H transition threshold in Alcator C-Mod

I. Cziegler, G.R. Tynan, P.H. Diamond, A.E. Hubbard, J.W. Hughes, J. Irby, J.L. Terry
2015 Nuclear Fusion  
Nonlinear interactions between zonal flows and turbulence in L-mode are estimated using bispectral as well as time-resolved methods based on gas-puff-imaging in Alcator C-Mod[1].  ...  and amount of auxiliary heating.  ...  Acknowledgments The authors would like to thank the Alcator C-Mod team of students, scientists, engineers and technical staff for making the experiments possible.  ... 
doi:10.1088/0029-5515/55/8/083007 fatcat:bdtrlo5kirgvxkcs5oishazmge

Planetary Nebulae and H ii Regions in the Starburst Irregular Galaxy NGC 4449 from LBT MODS Data

F. Annibali, M. Tosi, D. Romano, A. Buzzoni, F. Cusano, M. Fumana, A. Marchetti, M. Mignoli, A. Pasquali, A. Aloisi
2017 Astrophysical Journal  
Using the "direct" method, we derived the abundance of He, N, O, Ne, Ar, and S in six H II regions and in four PNe in NGC 4449.  ...  Our H II region and PN sample extends over a galacto-centric distance range of ≈2 kpc and spans ≈0.2 dex in oxygen abundance, with average values of 12+(O/H)=8.37 ± 0.05 and 8.3 ± 0.1 for H II regions  ...  Using the "direct" method, we derived the abundance of He, N, O, Ne, Ar, and S for six H II regions and, for the first time, for four PNe in NGC 4449.  ... 
doi:10.3847/1538-4357/aa7678 fatcat:kc3lridn4rainekvjfyljpplfi

Preliminary experimental validation of multi-loop natural circulation model based on RELAP5/SCDAPSIM/MOD 4.0

Abbati Zahraddeen, Jiarui Chen, Kun Cheng, Fulong Zhao, Sichao Tan
2020 International Journal of Advanced Nuclear Reactor Design and Technology  
In view of this, many researchers carry out numerical and experimental studies in single-loop natural circulation model to study the natural circulation behaviors.  ...  The experimental loop has successfully established natural circulation under different pressure conditions and the experimental results obtained are compared with those of the RELAP5 code simulation for  ...  Abbati, Zahraddeen specially thanks the Chinese Scholarship Council (CSC) and the Nigerian Nuclear Regulatory Authority (NNRA) for their financial support in the pursuit of his PhD.  ... 
doi:10.1016/j.jandt.2020.02.001 fatcat:yfhje7l7argsxlvarjt2ixnbzq
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