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SUMMARY:Some aspects of crystal centering during X-ray high-throughput pro
 tein crystallography experiments.
DTSTART;VALUE=DATE-TIME:20160705T090000Z
DTEND;VALUE=DATE-TIME:20160705T100000Z
DTSTAMP;VALUE=DATE-TIME:20261008T192705Z
UID:indico-contribution-1298@indico.inp.nsk.su
DESCRIPTION:Speakers: Yury Gaponov (Department of atmospheric research\, N
 ovosibirsk State University\, Novosibirsk\, Russia)\nA set of algorithms a
 nd procedures of a crystal loop centering during X-ray high-throughput pro
 tein crystallography experiment has been designed and developed.\nA simple
  algorithm of the crystal loop detection and preliminary recognition has b
 een designed and developed. The crystal loop detection algorithm is based 
 on finding out the crystal loop ending point (opposite to the crystal loop
  pin) using image cross section (digital image column) profile analysis. T
 he crystal loop preliminary recognition procedure is based on finding out 
 the crystal loop sizes and position using image cross section profile anal
 ysis. The crystal loop fine recognition procedure based on Hooke-Jeeves pa
 ttern search method with an ellipse as a fitting pattern has been designed
  and developed. The procedure of restoring missing coordinate of the cryst
 al loop is described. Based on developed algorithms and procedures the opt
 imal autocentering procedure has been designed and developed. A procedure 
 of optimal manual crystal centering (Two Clicks Procedure) is described.\n
 Developed procedures have been integrated into control software system PCC
 S installed at crystallography beamlines Photon Factory BL5A and PF-AR NW1
 2\, KEK.\n\nhttps://indico.inp.nsk.su/event/3/contributions/1298/
LOCATION:Budker INP 2nd and 3rd floors
URL:https://indico.inp.nsk.su/event/3/contributions/1298/
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