Anirudh Modi10/3/20005:00 PM What is AR?What is AR?MotivationMotivationApplicationsApplicationsCharacteristicsCharacteristicsRegistrationRegistrationConclusionConclusionQuestions?Questions?OUTLINE What is AR?Augmented Reality (AR) is a variation of VE/VR. VR technologies comletel! immerse a "ser insi#e a s!nthetic environment. $hile immerse#% the "ser cannot see the real &orl# aro"n# him. 'n contrast% AR allo&s the "ser to see the real &orl#% &ith virt"al o()ects s"erimose# "on or comosite# &ith the real &orl#. AR s"lements realit!% rather than comletel! relacing it. 't creates the ill"sion that the virt"al an# real o()ects coe*iste# in the same sace. AR can (e tho"ght of as the +mi##le gro"n#, (et&een V- (comletel! s!nthetic) an# teleresence (comletel! real) What is AR?e.g., Real desk with virtual lampe.g., Real desk with virtual lamp and two virtual chairs and two virtual chairs(ECRC) (ECRC) What is AR?AR s!stems have the follo&ing three characteristics:.om(ines real an# virt"al'nteractive in real timeRegistere# in 3/01his #efinition allo&s other technologies (esi#es 2ea# Mo"nte# 0isla!s (2M0s) &hile retaining the essential comonents of AR. Does not include Does not include film or 2/0 overla!s li3e +Jurassic Park+ feat"ring hotorealistic virt"al o()ects seamlessl! (len#e# &ith a real environment in 3/0% as the! are not interactive.2/0 virt"al overla!s on to of live vi#eo can (e #one at interactive rates% ("t the overla!s are not com(ine# &ith the real &orl# in 3/0. 2ence% the! are not AR. MotivationAR enhances a "ser4s ercetion of interaction &ith the real &orl#. 1he virt"al o()ects #isla! information that the "ser cannot #irectl! #etect &ith his o&n senses. 1he information conve!e# (! the virt"al o()ects hels a "ser erform real/&orl# tas3s. AR is a secific e*amle of&hat is 3no&n as Intelligence Amplification (IA): Intelligence Amplification (IA): "sing the com"ter as a tool to ma3e a tas3 easier for a h"man to erform. ApplicationsMain classes of alications:1. Me#ical2. Man"fact"ring an# reair3. Annotation an# vis"ali5ation6. Ro(ot ath lanning5. -ntertainment7. Militar! aircraft1here are several miscellaneo"s alications. Applications MedicalReal!ti"e stereo #M$ displa%Real!ti"e stereo #M$ displa% &ith ultrasound volu"e&ith ultrasound volu"e displa% o' needle inserted intodispla% o' needle inserted into the (reast the (reast(Andrei State, UNC) (Andrei State, UNC))urgeon *!ra% vision)urgeon *!ra% vision Mini"all%!invasive (rainMini"all%!invasive (rain surger% surger%(AI a!, "I#) (AI a!, "I#) Applications Manu' + Repair,R #U$set used in the &ire,R #U$set used in the &ire shop to connect the &ires (%shop to connect the &ires (% sho&ing an i"age o' thesho&ing an i"age o' the circuit and in'or"ation a(outcircuit and in'or"ation a(out t%peo' &ire to (e used t%peo' &ire to (e used($%eing, US) ($%eing, US)Aug"ented vie& o' RiverAug"ented vie& o' River Wear in )underland-Wear in )underland- Ne&castle .U/0/1 &ith aNe&castle .U/0/1 &ith a planned 'oot(ridgeplanned 'oot(ridge (U&) (U&) Applications AnnotationEngine "odel part la(elsEngine "odel part la(els appear as user points at the" appear as user points at the"(ECRC) (ECRC),irtual lines help displa%,irtual lines help displa% geo"etr% o' shuttle (a% asgeo"etr% o' shuttle (a% as seen in or(it seen in or(it(U' #%r%nt%, Canada) (U' #%r%nt%, Canada) Applications Ro(ot path planning,irtual lines sho& planned "otion o' a ro(ot ar" ,irtual lines sho& planned "otion o' a ro(ot ar"(U' #%r%nt%, Canada) (U' #%r%nt%, Canada) Applications Entertain"ent)creenshot 'ro" the "ovie2Who 3ra"ed Roger Ra((it?4 (lending)creenshot 'ro" the "ovie2Who 3ra"ed Roger Ra((it?4 (lending the real character and (ac5ground &ith co"puter generatedthe real character and (ac5ground &ith co"puter generated cartoon characters cartoon characters Entertain"ent ,irtual actors Entertain"ent ,irtual actorsReal!ti"e 'acial e6pression recognition and ani"ation o' the clone7s 'ace Real!ti"e 'acial e6pression recognition and ani"ation o' the clone7s 'ace("IRAa!, Uni(ersity %) *ene(a) ("IRAa!, Uni(ersity %) *ene(a) Applications Aircra't#ead Up 8uidance )%ste"#ead Up 8uidance )%ste" .#8)1 .#8)1(+lig,t -ynamics Inc') (+lig,t -ynamics Inc')9oeing :;: coc5pit &ith #ead! 9oeing :;: coc5pit &ith #ead!up $ispla% .#U$1 up $ispla% .#U$1(+lig,t -ynamics Inc') (+lig,t -ynamics Inc') Applications NightvisionNightvision s%ste" in the ro?ected I"ager%(Rames, Raskar, UNC) (Rames, Raskar, UNC) Characteristics0isc"ssion on the characteristics of AR s!stems an# #esign iss"es enco"ntere# &hen ("il#ing an AR s!stem. 1&o &a!s to accomlish this a"gmentation: otical or vi#eo technologies.8len#ing the real an# virt"al oses ro(lems &ith foc"s an# contrast an# some alications re9"ire orta(le AR s!stems to (e tr"l! effective. Characteristics Aug"entation8esi#es adding o()ects to a real environment% AR also has the otential to rem%(e them. :rahic overla!s might (e "se# to remove or hi#e arts of the real environment from a "ser. e.g.%to remove a #es3 in the real environment% #ra& a reresentation of the real &alls an# floors (ehin# the #es3 an# +aint+ that over the real #es3% effectivel! removing it from the "ser;s sight. 2as (een #one in movies. 0oing this interactivel! in an AR s!stem &ill (e m"ch har#er% ("t this removal ma! not nee# to (e hotorealistic to (e effective.8len#ing the real an# virt"al oses ro(lems &ith foc"s an# contrast an# some alications re9"ire orta(le AR s!stems to (e tr"l! effective. Characteristics Aug"entationAR might al! to all senses% not )"st sight. AR co"l# (e e*ten#e# to incl"#e so"n#. 1he "ser &o"l# &ear hea#hones e9"ie# &ith microhones on the o"tsi#e. 1he hea#hones &o"l# a## s!nthetic% #irectional 30 so"n#% &hile the e*ternal microhones &o"l# #etect incoming so"n#s from the environment. 1h"s% one can cancel selecte# real incoming so"n#s an# a## others to the s!stem. 1his is not eas!% ("t ossi(le.Another e*amle is hatics. :loves &ith #evices that rovi#e tactile fee#(ac3 might a"gment real forces in the environment. Most #isla! #evices #o not even come close. 1h"s otical #evices are "s"all! ma#e #ar3/tinte# to re#"ce this range.