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