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