acquiring the image taking {TAIL ~ conditions} at the time at which {HEAD ~ the image information} on the subject are taken, 
acquiring the image taking { TAIL ~ conditions } at the time at which { HEAD ~ the image information } on the subject are taken ,
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH