. ▁ ▁The ▁software ▁ident ifies ▁relevant ▁feature ▁points ▁of ▁the ▁target ▁image ▁( also ▁known ▁as ▁marker ). ▁This ▁allows ▁to ▁overlay ▁and ▁stick ▁augment ations ▁in ▁specific ▁position ▁on ▁top ▁or ▁around ▁the ▁image . ▁ ▁S LA M : ▁Inst ant ▁Track ing , ▁Object ▁and ▁Sc ene ▁Rec ogn ition ▁ ▁In ▁ 2 0 1 7 ▁Wik itude ▁launched ▁its ▁S LA M ▁technology . ▁Inst ant ▁Track ing , ▁the ▁first ▁feature ▁using ▁S LA M , ▁allows ▁developers ▁to ▁easily ▁map ▁environments ▁and ▁display ▁augment ed ▁reality ▁content ▁without ▁the ▁need ▁for ▁target ▁images ▁( mark ers ). ▁Object ▁Rec ogn ition ▁is ▁the ▁latest ▁addition ▁based ▁on ▁S LA M , ▁with ▁the ▁launch ▁of ▁SDK ▁ 7 . ▁The ▁idea ▁behind ▁Object ▁Rec ogn ition ▁and ▁Track ing ▁is ▁very ▁similar ▁to ▁Image ▁Track ing , ▁but ▁instead ▁of ▁recogn izing ▁images ▁and ▁plan ar ▁surfaces , ▁the ▁Object ▁Tra cker ▁can ▁work ▁with ▁three - dimensional ▁structures ▁and ▁objects ▁( tools , ▁to ys , ▁mach in ery … ). ▁ ▁Disc uss ion ▁ ▁Op in ions ▁differ ▁as ▁to ▁whether ▁the ▁location - based ▁approach ▁of ▁augment ed ▁reality ▁implemented ▁by ▁Wik itude ▁can ▁be ▁considered ▁as ▁augment ed ▁reality . ▁There ▁is ▁also ▁concern ▁for ▁the ▁accuracy ▁of ▁the ▁G PS , ▁comp ass ▁and ▁motion ▁sens ors ▁used ▁to ▁calculate ▁the ▁position ▁of ▁the ▁virtual ▁objects . ▁In acc ura cies ▁could ▁accum ulate ▁to ▁the ▁point ▁that ▁they