A subject is imaged at {HEAD ~ a predetermined time interval} by a plurality of imaging units which obtains a plurality of images having a parallax of {TAIL ~ a subject} viewed from different viewpoints by imaging the subject from different viewpoints 
A subject is imaged at { HEAD ~ a predetermined time interval } by a plurality of imaging units which obtains a plurality of images having a parallax of { TAIL ~ a subject } viewed from different viewpoints by imaging the subject from different viewpoints
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH