▁consist ▁of ▁both ▁a ▁range ▁and ▁a ▁texture ▁image . ▁The ▁ 3 D ▁images ▁were ▁acquired ▁by ▁a ▁Min olta ▁V ivid ▁ 9 0 0 / 9 1 0 ▁series ▁sensor . ▁ ▁The ▁FR GC ▁distribution ▁consists ▁of ▁six ▁experiments . ▁In ▁experiment ▁ 1 , ▁the ▁gallery ▁consists ▁of ▁a ▁single ▁controlled ▁still ▁image ▁of ▁a ▁person ▁and ▁each ▁pro be ▁consists ▁of ▁a ▁single ▁controlled ▁still ▁image . ▁Ex periment ▁ 1 ▁is ▁the ▁control ▁experiment . ▁Ex periment ▁ 2 ▁studies ▁the ▁effect ▁of ▁using ▁multiple ▁still ▁images ▁of ▁a ▁person ▁on ▁performance . ▁In ▁experiment ▁ 2 , ▁each ▁bi ometric ▁sample ▁consists ▁of ▁the ▁four ▁controlled ▁images ▁of ▁a ▁person ▁taken ▁in ▁a ▁subject ▁session . ▁For ▁example , ▁the ▁gallery ▁is ▁composed ▁of ▁four ▁images ▁of ▁each ▁person ▁where ▁all ▁the ▁images ▁are ▁taken ▁in ▁the ▁same ▁subject ▁session . ▁Like wise , ▁a ▁pro be ▁now ▁consists ▁of ▁four ▁images ▁of ▁a ▁person . ▁ ▁Ex periment ▁ 3 ▁measures ▁the ▁performance ▁of ▁ 3 D ▁face ▁recognition . ▁In ▁experiment ▁ 3 , ▁the ▁gallery ▁and ▁pro be ▁set ▁consist ▁of ▁ 3 D ▁images ▁of ▁a ▁person . ▁Ex periment ▁ 4 ▁measures ▁recognition ▁performance ▁from ▁un control led ▁images . ▁In ▁experiment ▁ 4 , ▁the ▁gallery ▁consists ▁of ▁a ▁single ▁controlled ▁still ▁image , ▁and ▁the ▁pro be ▁set ▁consists ▁of ▁a ▁single ▁un control led ▁still ▁image . ▁ ▁Exper iments ▁ 5 ▁and ▁ 6 ▁examine ▁comparing