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Ososkov, G.A.; Pal'chik, V.V.; Potrebennikov, Yu.K.; Tatishvili, G.T.; Shepelev, V.B.
Laboratory of Computing Techniques and Automation, Joint Institute for Nuclear Research, Dubna (Russian Federation)1998
Laboratory of Computing Techniques and Automation, Joint Institute for Nuclear Research, Dubna (Russian Federation)1998
AbstractAbstract
[en] The charged particles track recognition algorithm based on Denby-Peterson segment model for full-connected artificial neural network (ANN) of Hopfield type is developed for the EXCHARM experimental data. The specifics of the EXCHARM experiment (heavy background conditions, effects related to inefficiency of chambers and presence of secondary vertices) required the essential modification of ANN model. The results of testing show that our modified ANN scheme has higher recognition efficiency than the current EXCHARM data processing program but yields it in speed. The basic difference between two algorithms results in a small intersection of sets of badly recognized events. It gave us a possibility to create a combined event reconstruction algorithm based on the both current data processing program for majority of events and the ANN program for more complicated events. The combined algorithm allows to achieve 99% of event recognition efficiency in real conditions
Original Title
Ispol'zovanie nejronnykh setej dlya povysheniya ehffektivnosti geometricheskoj rekonstruktsii sobytij, zaregistrirovannykh v ehksperimente EXCHARM
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1998; 14 p; 12 refs., 3 figs., 1 tab. Submitted to Matematicheskoe Modelirovanie
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Report
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