rendering {HEAD ~ the set} of point samples as a sequence of output images from an arbitrary point of {TAIL ~ view} of the object while acquiring the sequence of input images and maintaining the set of point samples 
rendering { HEAD ~ the set } of point samples as a sequence of output images from an arbitrary point of { TAIL ~ view } of the object while acquiring the sequence of input images and maintaining the set of point samples
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH