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Parallel processing of figure-ground separation in random dot kinematogram with optical flow discretization

Satoshi Ito, Minoru Sasaki
2007 SICE Annual Conference 2007  
From this point of view, this paper treats the figure-ground separation problem in the random dot kinematogram.  ...  The recognition process is described as the flag dynamics, which is given as the gradient system of the global potential functional. The performance is examined with computer simulations.  ...  In other words, the figure-ground separation is a minimization process of the functional (4) in this system.  ... 
doi:10.1109/sice.2007.4421474 fatcat:3girosbswzhc5nwbvc3wuwr6nu

Spatially Varying Ground Motion Effects on Seismic Response of Adjacent Structures considering Soil-Structure Interaction

Md Iftekharul Alam, Dookie Kim
2014 Advances in Structural Engineering  
Figure 1 . 1 Ground motion simulation process by Simqke-II Figure 2 . 2 (b)].  ...  Figure 7 .Figure 8 .Figure 9 789 Multi(a) Separate adjacent frames; (b) Single frame Figure 10 .Figure 11 . 1011 (a) Maximum inter-story drift responses of adjacent structures (c = 220 m/s); (b) Maximum  ... 
doi:10.1260/1369-4332.17.1.131 fatcat:ewy2ffwx5rfidfrymyt42jlr2m

Suppression of Charge Recombination by Auxiliary Atoms in Photoinduced Charge Separation Dynamics with Mn Oxides: A Theoretical Study

Yu Ohnishi, Kentaro Yamamoto, Kazuo Takatsuka
2022 Molecules  
For the present photoinduced charge separation dynamics by Mn oxides, we identified a dynamical mechanism of charge recombination.  ...  CPEWT also applies to collision-induced ground-state water splitting dynamics catalyzed by Mn4CaO5 cluster.  ...  Acknowledgments: This work was supported by JSPS KAKENHI (grant number JP15H05752 and partly JP20H00373). Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/molecules27030755 pmid:35164020 pmcid:PMC8838452 fatcat:mfi6mourijbnncq36yj57awa7a

Figure-Ground Separation for Dynamic Image with Ginzburg-Landau Equation by Use of Local Clustering

Eizo UEYAMA, Hideo YUASA, Shigeyuki HOSOE, Masami ITO
1996 Transactions of the Society of Instrument and Control Engineers  
This idea is realized by methods based on the autonomous decentralized system. This research is the first try to solve the problem of figure-ground separation for dynamic image with this method.  ...  The separation mentioned above is to extract the part (figure) at where motion velocity is different from the background (ground) in the dynamic image. This process consists of two phases.  ...  1(d)2, Iv2=>11EU(x)v(l)2' (19) Iuv~IEU(x)u(l)v(l) M(x,0)=(v(x)-v)cosa Cc -(u(x)--)sin-a (21) C c of=1u(X),uy=1u(x) (22) Nf XEFNyxEG =N12{(u(x)-uf)(u(x)-of)T XEF -T(23)+(u(x) -ug)(u(x)-ug)} XEG w=E-1(26f-u9  ... 
doi:10.9746/sicetr1965.32.1544 fatcat:q2zs6ysrprgsfpdaj7lkc366tu

An investigation of the dynamic absorber effect in high-speed machining

G.S. Duncan, M.F. Tummond, T.L. Schmitz
2005 International journal of machine tools & manufacture  
It is recognized that a major practical limitation on the productivity of HSM systems is regenerative chatter [2] .  ...  Stable and unstable regions (separated by the stability "lobes") are seen in these diagrams, depending on the selected spindle speed and axial depth of cut, b, for peripheral end milling.  ...  The authors also wish to acknowledge discussions on the origin of the 'dynamic absorber effect' with Dr. M. Davies, UNCC, Charlotte, NC.  ... 
doi:10.1016/j.ijmachtools.2004.09.005 fatcat:tfdozhq35fgnxgnnscuh3bvqcu

Modification of roton instability due to the presence of a second dipolar Bose-Einstein condensate

M. Asad-uz-Zaman, D. Blume
2011 Physical Review A. Atomic, Molecular, and Optical Physics  
The solutions of the coupled Gross-Pitaevskii and Bogoliubov-de Gennes equations, which account for the full dynamics, show that the system behavior is modified by the presence of the second dipolar BEC  ...  We study the behavior of two coupled purely dipolar Bose-Einstein condensates, each located in a cylindrically symmetric pancake-shaped external confining potential, as the separation b between the traps  ...  Figure 2 shows that it takes a certain critical attraction before the system breaks the symmetry of the ground state density.  ... 
doi:10.1103/physreva.83.033616 fatcat:fwqdudmfmvcuzhix7ub7ie4h4q

Modeling and simulation of function allocation concepts for separation assurance

Joshua Holladay, Timothy Lewis, Todd A. Lauderdale
2014 Proceedings of the International Conference on Human-Computer Interaction in Aerospace - HCI-Aero '14  
The allocation of separation assurance functions between ground-based and airborne systems remains a topic of considerable interest in the air traffic management research community.  ...  This paper introduces a fast-time simulation testbed for conducting parametric studies to support the study of function allocation for separation assurance in the National Airspace System.  ...  Figure 5 : 5 Dynamic separation standards require self-separating aircraft (gray) to maintain larger separation distances from ground-managed aircraft (black) (a) but allow for smaller distances with other  ... 
doi:10.1145/2669592.2669645 fatcat:jkrdfbgopre3bo6lyxfpz6i63y

Study on Heat Transfer Calculation Method of Ground Heat Exchangers Based on Heat Pump Unit Operation Characteristics

Wenxin Li, Yong Wang, Yitao Jin
2016 Procedia Engineering  
For ground source heat pump (GSHP) system, the dynamic heat rejected to or extracted from the ground is an important parameter to analyze the heat transfer performance of ground heat exchanger (GHE).  ...  In an actual GSHP system project, the dynamic heat load input of GHEs was calculated and used as a boundary condition, a three-dimensional heat transfer model of this GHE field was established, and then  ...  Acknowledgements This work was supported by National Nature Science Foundation of China (Grant No.51576023)  ... 
doi:10.1016/j.proeng.2016.06.428 fatcat:kxwp6w6tczhv7e6ppmqro3idma

Monitoring and measurement analysis of key indexes for the implementation of mining, dressing, backfilling, and controlling technology in coal resources—A case study of Tangshan Mine

Zhang Qiang, Kang Yang, Jixiong Zhang, Yin Wei, Xianwei Liu, Zhongya Wu, Weijian Song, Xu Xiling
2022 Energy Science & Engineering  
It is used for coal mining, gangue separation, and backfilling on-site, while  ...  ACKNOWLEDGMENTS The work was supported by the National Natural Science Foundation of China (52174134), the National Natural Science Foundation of China (51904110), and the Fundamental Research Funds for  ...  separation, backfilling mining, and system operation monitoring (Figure 2 ). (1) Ground solid waste treatment and transportation system In the ground solid waste treatment and transportation system,  ... 
doi:10.1002/ese3.1057 fatcat:dafhur4gczal5nutslgl4qltvq

Waveform distortion by 2-step modeling ground vibration from trains

F Wang, W Chen, J Zhang, F Li, H Liu, X Chen, Y Pan, G Li, F Xiao
2017 IOP Conference Series: Materials Science and Engineering  
The ground is inconsistently represented by a simplified model in the first step and by a refined model in the second step, which may lead to distortions in the simulation results.  ...  system.  ...  Whole-system model of vehicle-track-ground Figure 2 illustrates a well-developed whole-system model of the vibration for the vehicle-track-ground [4] .  ... 
doi:10.1088/1757-899x/248/1/012020 fatcat:gebjhxakqnhfbgoupdxftv23du

Effect of Suspension System Stiffness on Dynamic Load Action Chassis Multi-purpose Forest Fire Fighting Vehicle

L. Van Van, C. Hung Phi, N. Thanh Tung
2022 International Journal of Engineering  
Therefore, to ensure structural rigidity, the suspension system is redesigned to increase rigidity. However, alteration of the suspension stiffness will change the dynamic load acting on the chassis.  ...  This research presents the results of research on the influence of suspension stiffness on dynamic loads acting on the chassis of a multi-purpose forest fire fighting vehicle.  ...  From the roadside, activation by the bumpy road will cause the wheel to oscillate vertically, generating a dynamic load [5] .  ... 
doi:10.5829/ije.2022.35.08b.13 fatcat:ixds4tu635hqhlrfrrfkmuap3e

Incremental Dynamic Analysis for Estimating Seismic Performance of Multi-Story Buildings with Butterfly-Shaped Structural Dampers

Alireza Farzampour, Iman Mansouri, Hamzeh Dehghani
2019 Buildings  
The system with strategic cutouts is subsequently used and compared with the eccentrically braced frames (EBF) system for seismic performance investigation and incremental dynamic analysis (IDA), using  ...  Results show that the butterfly-shaped multi-story buildings, compared to the corresponding conventional systems, are capable of enhancing the system resistance against lateral seismic loads by postponing  ...  Figure 9 . 9 Incremental dynamic analysis for an EBF system. Figure 9 .of 11 Figure 10 . 91110 Incremental dynamic analysis for an EBF system.  ... 
doi:10.3390/buildings9040078 fatcat:lrwerocdmvgeddk2stwaxzhsm4

Influence of ground motion spatial variation, site condition and SSI on the required separation distances of bridge structures to avoid seismic pounding

Kaiming Bi, Hong Hao, Nawawi Chouw
2010 Earthquake engineering & structural dynamics (Print)  
The power spectral density function of surface ground motion of a canyon site is derived by considering the site amplification effect based on one-dimensional wave propagation theory.  ...  They are modelled with a filtered Tajimi-Kanai power spectral density function and an empirical spatial ground motion coherency loss function.  ...  The bridge can be modelled as a five-degree-of-freedom system as shown in Figure 1 Method of Analysis Base Rock Motion The ground motion intensities at points 1', 2' and 3' on the base rock are  ... 
doi:10.1002/eqe.1076 fatcat:ujrit6zzavgnflbmwi4h4r6ow4

Rocket Separation Mechanism for Pico Mother and Daughter satellite "KUKAI"

Masahiro NOHMI, Takeshi YAMAMOTO, Osamu ITOSE, Jun SAITOU
2010 Journal of System Design and Dynamics  
The primary objective of KUKAI is technical verification of a tethered space robot, which is a new type of space robot system proposed in previous work.  ...  KUKAI is a pico-satellite developed by Kagawa University and was launched by the H-IIA rocket by the Japan Aerospace Exploration Agency (JAXA) on 23 January 2009.  ...  Acknowledgement This work is partially supported by the Japan Space Forum, Grant-in-Aid for Scientific Research, and New Energy and Industrial Technology Development Organization.  ... 
doi:10.1299/jsdd.4.984 fatcat:vckxgnpu3rgq3gl7u4k74mkj2u

Importance of footing-soil separation on dynamic stiffness of piled embedded footings

L. A. Padrón, G. E. Mylonakis, D. E. Beskos
2009 International journal for numerical and analytical methods in geomechanics (Print)  
The importance of this separation on the dynamic stiffness and damping of the foundation is assessed in this work.  ...  It is shown that the importance of separation is negligible for frequencies below those for which dynamic pile group effects start to become apparent.  ...  Acknowledgments This work was partially supported by the Ministry of Education and Science of Spain through research project BIA2007-67612-C02-01, co-financed by the European Fund of Regional Development  ... 
doi:10.1002/nag.782 fatcat:driwywuocvbjla2zbukxgsug4q
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