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[(taxonomy)-249.7(of)-249.7(action)-249.7(based)-249.7(on)-249.7(the)-249.7(computational)-249.7(r)-9.9(epr)-9.9(e-)]TJ T* [(sentations)-249.7(and)-249.7(methods)-249.7(that)-249.7(ar)-9.9(e)-249.7(r)-9.9(equir)-9.9(ed)-249.7(to)-249.7(understand)]TJ T* [(each)-249.7(action)-249.7(type,)-249.7(e.g.,)-249.7(a)-249.7(taxonomy)-249.7(of)-249.7(movement,)-249.7(activity)83.8(,)]TJ T* [(and)-249.7(action)-249.7(\(Bobick,)-249.7(1997\).)-249.7(Many)-249.7(actions)-249.7(of)-249.7(inter)-9.9(est)-249.7(r)-9.9(e)0(-)]TJ T* [(quir)-9.9(e)-249.7(that)-249.7(contextual)-249.7(knowledge)-249.7(be)-249.7(used)-249.7(for)-249.7(r)-9.9(ecognition)]TJ T* [(in)-249.7(addition)-249.7(to)-249.7(sensed)-249.7(motion)-249.7(and)-249.7(position)-249.7(infor)-13.9(mation.)]TJ T* [(In)-249.7(simple)-249.7(contexts,)-249.7(dir)-9.9(ect)-249.7(measur)-9.9(ement)-249.7(of)-249.7(body)-249.7(position)]TJ T* [(can)-249.7(sometimes)-249.7(be)-249.7(used)-249.7(to)-249.7(r)-9.9(ecognize)-249.7(activity)93.8(.)-249.7(However)33(,)]TJ T* [(as)-249.7(the)-249.7(complexity)-249.7(of)-249.7(an)-249.7(envir)-9.9(onment)-249.7(incr)-9.9(eases,)-249.7(many)]TJ T* [(dif)-36.9(fer)-9.9(ent)-249.7(measur)-9.9(ements)-249.7(may)-249.7(cor)-15.9(r)-9.9(espond)-249.7(to)-249.7(the)-249.7(same)]TJ T* [(actions,)-249.7(or)33(,)-249.7(depending)-249.7(on)-249.7(the)-249.7(context,)-249.7(the)-249.7(same)-249.7(mea-)]TJ T* [(sur)-9.9(ement)-249.7(may)-249.7(cor)-15.9(r)-9.9(espond)-249.7(to)-249.7(dif)-36.9(fer)-9.9(ent)-249.7(actions.)-249.7(Str)-9.9(onger)]TJ T* [(contextual)-249.7(constraints)-249.7(ar)-9.9(e)-249.7(r)-9.9(equir)-9.9(ed)-249.7(to)-249.7(extract)-249.7(action)-249.7(la-)]TJ T* [(bels)-249.7(fr)-9.9(om)-249.7(per)-8.8(ceptual)-249.7(measur)-9.9(ements.)-249.7(The)-249.7(envir)-9.9(onment)-249.7(of)]TJ T* [(the)-249.7(KidsRoom)-249.7(is)-249.7(rich)-249.7(enough)-249.7(to)-249.7(begin)-249.7(to)-249.7(explor)-9.9(e)-249.7(some)]TJ T* [(context-sensitive)-249.7(r)-9.9(ecognition)-249.7(tasks.)]TJ /F10 1 Tf 0 -4.2099 TD [(2)-1723(I)0(mplementation)-249.7(and)-249.7(Experience)]TJ 2.4 -2.1099 TD [(2.1)-500(The)-249.7(Playspace)]TJ /F12 1 Tf T* [(The)-249.7(KidsRoom)-249.7(theatrically)-249.7(r)-9.9(e-cr)-9.9(eates)-249.7(a)-249.7(child's)-249.7(bed-)]TJ -2.4 -1.4 TD [(r)-9.9(oom.)-249.7(The)-249.7(space)-249.7(is)-249.7(24)-249.7(by)-249.7(18)-249.7(feet)-249.7(with)-249.7(a)-249.7(wir)-9.9(e-grid)-249.7(ceiling)]TJ T* [(27)-249.7(feet)-249.7(high.)-249.7(T)8(w)0(o)-249.7(o)0(f)-249.7(the)-249.7(bedr)-9.9(oom)-249.7(walls)-249.7(r)-9.9(esemble)-249.7(r)-9.9(eal)]TJ T* [(walls)-249.7(of)-249.7(a)-249.7(child's)-249.7(r)-9.9(oom,)-249.7(complete)-249.7(with)-249.7(r)-9.9(eal)-249.7(fur)-13.9(nitur)-9.9(e)-249.7(and)]TJ T* [(decoration.)-249.7(The)-249.7(other)-249.7(two)-249.7(walls)-249.7(ar)-9.9(e)-249.7(lar)6.8(ge)-249.7(video)-249.7(pr)-9.9(ojec-)]TJ T* [(tion)-249.7(scr)-9.9(eens,)-249.7(wher)-9.9(e)-249.7(images)-249.7(ar)-9.9(e)-249.7(back-pr)-9.9(ojected)-249.7(fr)-9.9(om)-249.7(out-)]TJ T* [(side)-249.7(of)-249.7(the)-249.7(r)-9.9(oom.)-249.7(Behind)-249.7(the)-249.7(scr)-9.9(eens)-249.7(is)-249.7(a)-249.7(computer)-258.5(clus-)]TJ T* [(ter)-249.7(with)-249.7(six)-249.7(machines)-249.7(that)-249.7(automatically)-249.7(contr)-9.9(ol)-249.7(the)]TJ T* [(r)-9.9(oom.)-249.7(Computer)29.8(-contr)-9.9(olled,)-249.7(theatrical)-249.7(color)-9.9(ed)-249.7(lights)-249.7(on)]TJ T* [(the)-249.7(ceiling)-249.7(illuminate)-249.7(the)-249.7(space.)-249.7(Four)-249.7(speakers,)-249.7(one)-249.7(on)]TJ T* [(each)-249.7(wall,)-249.7(pr)-9.9(oject)-249.7(sound)-249.7(ef)-36.9(fects)-249.7(and)-249.7(music)-249.7(into)-249.7(the)-249.7(space.)]TJ T* [(Finally)83.8(,)-249.7(four)-249.7(video)-249.7(cameras)-249.7(and)-249.7(one)-249.7(micr)-9.9(ophone)-249.7(ar)-9.9(e)-249.7(in-)]TJ T* [(stalled.)-249.7(Figur)-9.9(e)-249.7(1)-249.7(shows)-249.7(a)-249.7(view)-249.7(of)-249.7(the)-249.7(complete)-249.7(Kids-)]TJ T* [(Room)-249.7(installation.)]TJ 1 -1.4 TD [(The)-249.7(r)-9.9(oom)-249.7(contains)-249.7(several)-249.7(pieces)-249.7(of)-249.7(r)-9.9(eal)-249.7(fur)-13.9(nitur)-9.9(e)]TJ -1 -1.4 TD [(which)-249.7(ar)-9.9(e)-249.7(used)-249.7(thr)-9.9(oughout)-249.7(the)-249.7(stor)-52.8(y)-249.7(and)-249.7(include)-249.7(a)-249.7(mov-)]TJ 25.2 30.8014 TD [(able)-249.7(bed.)-249.7(Because)-249.7(the)-249.7(other)-249.7(fur)-13.9(nitur)-9.9(e)-249.7(i)0(s)-249.7(not)-249.7(explicitly)]TJ 0 -1.4 TD [(tracked)-249.7(by)-249.7(the)-249.7(computer)29.8(-vision)-249.7(system,)-249.7(they)-249.7(ar)-9.9(e)-249.7(sealed)]TJ T* [(shut)-249.7(and)-249.7(fastened)-249.7(to)-249.7(the)-249.7(gr)-9.9(ound.)-249.7(Four)-249.7(color)-9.9(ed)-249.7(r)-29(ugs)-249.7(with)]TJ T* [(animal)-249.7(drawings)-249.7(and)-249.7(simulated)-249.7(stone)-249.7(markers)-249.7(on)-249.7(the)]TJ T* [(floor)-249.7(ar)-9.9(e)-249.7(used)-249.7(as)-249.7(r)-9.9(efer)-9.9(ence)-249.7(points)-249.7(during)-249.7(the)-249.7(nar)-15.9(rative.)]TJ T* [(Color)-9.9(ed)-249.7(cinder)-249.7(blocks)-249.7(on)-249.7(the)-249.7(floor)-249.7(pr)-9.9(event)-249.7(enthusiastic)]TJ T* [(childr)-9.9(en)-249.7(fr)-9.9(om)-249.7(pushing)-249.7(the)-249.7(bed)-249.7(thr)-9.9(ough)-249.7(the)-249.7(scr)-9.9(eens.)-249.7(Fig-)]TJ T* [(ur)-9.9(e)-249.7(2)-249.7(shows)-249.7(the)-249.7(layout)-249.7(of)-249.7(the)-249.7(r)-9.9(oom's)-249.7(interior)58.8(.)]TJ 1 -1.4 TD [(Figur)-9.9(e)-249.7(3)-249.7(shows)-249.7(the)-249.7(four)-249.7(camera)-249.7(views.)-249.7(Camera)-249.7(one)-249.7(is)]TJ -1 -1.4 TD 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[(PRESENCE:)-302.9(VOLUME)-302.9(8,)-302.9(NUMBER)-302.9(4)]TJ ET 0 0 0 1 K 0 J 0 j 0.499 w 10 M []0 d 65.854 744.29 m 556.77 744.29 l S endstream endobj 31 0 obj << /ProcSet [/PDF /Text /ImageB ] /Font << /F10 4 0 R /F11 5 0 R /F12 6 0 R /F13 7 0 R /F15 9 0 R >> /XObject << /Im2 26 0 R /Im3 27 0 R /Im4 28 0 R >> /ExtGState << /GS1 10 0 R >> >> endobj 32 0 obj << /Type /XObject /Subtype /Image /Name /Im5 /Width 499 /Height 184 /BitsPerComponent 8 /ColorSpace /DeviceGray /Length 16865 /Filter /DCTDecode >> stream AdobedC         #"""#'''''''''' " s!1AQa"q2B#R3b$r%C4Scs5D'6Tdt& EFVU(eufv7GWgw8HXhx)9IYiy*:JZjz ?@iI0d-JBe_7!U=.FԦ;1BkZPҝkBhG12+ |`Ube#e^=B**=ˊ -BF0S_eTZ("1̑ H^$SڠeCCE=}1xQZR t-S tTx1+}@_8ĂQDJ;vMQP*6?x3bQA11v Z7:RkqdMf4Uk&Y}OOFα^5hZ4ܰ:[/8_M{BWBpMkb&(V&.)-p>%44\< s+C5לPigjz<|2SkHUp=/զF=Uᎉ~ڜQMnBܮ-'oN0#XPrt1>=AZ,: 7&* W)Y`7 ǐh97O.8;S BpPq'2iJRqX)+ŲnH_ x[V |dz$NtFpF8qr2G!%ؓ׮Q5ޕy4Ǒ@jz}*xAaS>8lngOR Rw,@,k.G%r:4FVF!Z 邼;,YҀ=]i[ c$wȓ/ ն49&>ԕ/%M\ƻE~>)dk &ݠ`^jBk%ʻ}H'›fdͪ 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>*ODł0z|p5F 8w~cQgЈǢhcrJ ~8Yؠu *~@b7=FWT޽~gzrk d}߆_g}@w뉴Jj 8jHZixe B%$#0֝ji4t f;rRMW(zS}c.AGe_&#z kI={J7u-֙=XܪjI -¢5u{'o $l)V9<ބ(<6= nG4LV5$bnq0=6ţJNW;|bɥz{'-h)OYV?kʤ;EA `h njk#$Ԏg-!D5٦rX)_9@ Ɨj *zw:A7>\R.zC6ro m՞1&IBUǮgSs$ J 7#od _bƸqej69a9mz8ڵ,J+Z6Ε&h~xATP `+Hcy+WzN<X֙Ǵ`Ojb@sSHI'S4*SB)yUI?C剧X2Owҋ&@z9 Gw$P{qFs"O]F  ;(xЯ1T ԁY"zۦ5J.߷$J< !G_zzP^ylДc_NW-JXH22]yd_JZ9_<}SUϖis Q)oW>Ys|=?zr[c/J`|D*4-;P?.#Fo,rMZR?W 4R~'̣[o'1MM݇юYWʯ)BkmcV1M wO+҂9R?4XyW?Z|z?^U$Ğ?(~XyPmMJs7?o)9;?> stream BT /F12 1 Tf 9.978 0 0 9.978 54.879 688.771 Tm 0 0 0 1 k /GS1 gs 0 Tc [(world)-249.7(in)-249.7(detail,)-249.7(to)-249.7(give)-249.7(the)-249.7(r)-9.9(eader)-249.7(a)-249.7(feel)-249.7(for)-249.7(the)-249.7(stor)-52.8(y)83.8(,)-249.7(its)]TJ 0 -1.4099 TD [(characters,)-249.7(and)-249.7(the)-249.7(interactive)-249.7(r)-9.9(esponsiveness)-249.7(of)-249.7(the)-249.7(en-)]TJ T* [(tir)-9.9(e)-249.7(system.)]TJ 1 -1.41 TD 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[(jection)-249.7(walls)-249.7(display)-249.7(scenes)-249.7(fr)-9.9(om)-249.7(a)-249.7(bedr)-9.9(oom.)-249.7(When)-249.7(at)]TJ T* [(least)-249.7(one)-249.7(child)-249.7(appr)-9.9(oaches)-249.7(some)-249.7(piece)-249.7(of)-249.7(fur)-13.9(nitur)-9.9(e)-249.7(\(e.g.,)]TJ 0 -1.4 TD [(the)-249.7(blue)-249.7(desk)-249.7(or)-249.7(the)-249.7(gr)-9.9(een)-249.7(fr)-9.9(og)-249.7(r)-29(ug\),)-249.7(each)-249.7(of)-249.7(which)-249.7(has)-249.7(a)]TJ T* [(distinct)-249.7(personality)83.8(,)-249.7(the)-249.7(fur)-13.9(nitur)-9.9(e)-249.7(speaks)-249.7(and)-249.7(a)-249.7(scavenger)]TJ T* [(hunt)-249.7(for)-249.7(the)-249.7(magic)-249.7(wor)-7.9(d)-249.7(commences,)-249.7(as)-249.7(shown)-249.7(in)-249.7(Figur)-9.9(e)]TJ T* [(4a.)-249.7(For)-249.7(example,)-249.7(a)-249.7(clothes)-249.7(tr)-29(unk)-249.7(says)-249.7(\(with)-249.7(suitable)-249.7(ac-)]TJ T* [(cent\),)-249.7(`)8(`)]TJ /F17 1 Tf 3.3016 0 TD -0.0002 Tc 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[(a)-249.7(splashing)-249.7(sound)-249.7(is)-249.7(hear)-7.9(d.)-249.7(The)-249.7(nar)-15.9(rator)-249.7(then)-249.7(shouts)-249.7(a)]TJ T* [(`)8(`passenger)-249.7(overboar)-7.9(d')8(')-249.7(couplet,)-249.7(and)-249.7(encourages)-249.7(the)]TJ T* [(child)-249.7(to)-249.7(get)-249.7(back)-249.7(on)-249.7(the)-249.7(bed.)]TJ 1 -1.4 TD [(Soon,)-249.7(log)-249.7(and)-249.7(r)-9.9(ock)-249.7(obstacles)-249.7(appear)-249.7(in)-249.7(the)-249.7(path)-249.7(of)-249.7(the)]TJ -1 -1.4 TD [(boat,)-249.7(as)-249.7(shown)-249.7(in)-249.7(Figur)-9.9(e)-249.7(6a.)-249.7(As)-249.7(instr)-29(ucted)-249.7(by)-249.7(the)-249.7(nar)-15.9(ra-)]TJ T* [(tor)33(,)-249.7(the)-249.7(childr)-9.9(en)-249.7(must)-249.7(engage)-249.7(in)-249.7(collaborative)-249.7(r)-9.9(owing)]TJ T* [(\(making)-249.7(r)-9.9(owing)-249.7(motions)-249.7(on)-249.7(the)-249.7(cor)-15.9(r)-9.9(ect)-249.7(side)-249.7(of)-249.7(the)-249.7(bed\))]TJ T* [(to)-249.7(avoid)-249.7(the)-249.7(obstacles.)-249.7(If)-249.7(they)-249.7(successfully)-249.7(navigate)-249.7(the)]TJ T* [(obstacle,)-249.7(a)-249.7(female)-249.7(voice)-249.7(softly)-249.7(whispers)-249.7(hints)-249.7(such)-249.7(as)]TJ T* [(`)8(`nice)-249.7(job.')8(')-249.7(When)-249.7(they)-249.7(do)-249.7(not,)-249.7(they)-249.7(hear)-249.7(a)-249.7(loud)-249.7(crashing)]TJ T* [(sound,)-249.7(often)-249.7(motivating)-249.7(the)-249.7(kids)-249.7(to)-249.7(physically)-249.7(play-act)-249.7(a)]TJ T* [(crash)-249.7(as)-249.7(in)-249.7(Figur)-9.9(e)-249.7(6b,)-249.7(and)-249.7(they)-249.7(r)-9.9(eceive)-249.7(some)-249.7(whisper)-9.9(ed)]TJ T* [(hints)-249.7(about)-249.7(how)-249.7(to)-249.7(avoid)-249.7(the)-249.7(obstacles.)]TJ 6.486 0 0 6.486 470.735 482.227 Tm 0 Tw (7)Tj 9.978 0 0 9.978 316.301 465.265 Tm [(Eventually)83.8(,)-249.7(the)-249.7(image)-249.7(of)-249.7(a)-249.7(shor)-9.9(e)-249.7(appears,)-249.7(and)-249.7(the)-249.7(chil-)]TJ -1 -1.4 TD [(dr)-9.9(en)-249.7(ar)-9.9(e)-249.7(instr)-29(ucted)-249.7(to)-249.7(`)8(`land)-249.7(the)-249.7(boat')8(')-249.7(b)0(y)-249.7(pushing)-249.7(the)]TJ T* [(bed)-249.7(towar)-7.9(ds)-249.7(the)-249.7(`)8(`shor)-9.9(eline')8(')-249.7(o)0(n)-249.7(the)-249.7(scr)-9.9(een.)-249.7(As)-249.7(they)-249.7(do,)]TJ T* [(the)-249.7(system)-249.7(pr)-9.9(oduces)-249.7(loud)-249.7(grinding)-249.7(noises)-249.7(as)-249.7(if)-249.7(the)-249.7(bed)-249.7(is)]TJ T* [(being)-249.7(pushed)-249.7(onto)-249.7(the)-249.7(sand.)-249.7(Suddenly)83.8(,)-249.7(the)-249.7(mother's)]TJ T* [(voice)-249.7(is)-249.7(hear)-7.9(d)-249.7(i)0(n)-249.7(the)-249.7(distance)-249.7(again)-249.7(telling)-249.7(the)-249.7(childr)-9.9(en)-249.7(to)]TJ T* [(stop)-249.7(moving)-249.7(fur)-13.9(nitur)-9.9(e)-249.7(and)-249.7(to)-249.7(put)-249.7(the)-249.7(bed)-249.7(back)-249.7(wher)-9.9(e)]TJ T* [(they)-249.7(found)-249.7(it.)-249.7(If)-249.7(necessar)-52.8(y)83.8(,)-249.7(additional)-249.7(hints)-249.7(ar)-9.9(e)-249.7(p)0(r)-9.9(ovided)]TJ T* [(until)-249.7(the)-249.7(bed)-249.7(is)-249.7(r)-9.9(etur)-13.9(ned)-249.7(to)-249.7(appr)-9.9(oximately)-249.7(its)-249.7(original)]TJ T* [(position.)-249.7(At)-249.7(this)-249.7(point,)-249.7(the)-249.7(childr)-9.9(en)-249.7(have)-249.7(r)-9.9(eached)-249.7(the)]TJ T* [(monster)-249.7(world.)]TJ 7.982 0 0 7.982 314.305 279.601 Tm [(7.)-500(W)53(e)-249.2(lear)-13.8(ned)-249.2(b)0.1(y)-249.2(experience)-249.2(that)-249.3(childr)-9.9(e)0(n)-249.2(p)0.1(r)-9.9(efer)-249.2(to)-249.2(crash)-249.2(and)-249.2(typi-)]TJ -1 -1.25 TD [(cally)-249.2(paddle)]TJ /F17 1 Tf 5.1781 0 TD -0.0001 Tc [(towar)15.9(ds)]TJ /F12 1 Tf 3.453 0 TD 0 Tc [(the)-249.2(obstacles!)]TJ ET 0 0 0 1 K 0 J 0 j 0.499 w 10 M []0 d 1 i 54.879 243.697 m 545.794 243.697 l S BT /F15 1 Tf 8.98 0 0 8.98 54.879 230.479 Tm [(Figure)-249.3(5.)]TJ /F13 1 Tf 4.5721 0 TD [(Lighting)-249.3(e)8.9(f)19(fects)-249.3(are)-249.3(used)-249.3(to)-249.3(mark)-249.3(special)-249.4(transitions)-249.3(in)-249.3(the)-249.3(story.)-249.4(Here)-249.3(colored)-249.3(lights)-249.3(\257ash,)-249.4(transitional)-249.4(music)-249.3(plays,)-249.4(and)-249.3(the)-249.3(screens)]TJ -4.5721 -1.4444 TD [(gradually)-249.3(fade)-249.3(from)-249.3(bedroom)-249.3(to)-249.3(forest)-249.3(as)-249.3(the)-249.3(narrator)-249.3(welcomes)-249.3(the)-249.3(children)-249.3(to)-249.3(the)-249.3(forest)-249.3(world.)-249.4(Graphics)-249.3(are)-249.3(simple)-249.3(storybook)-249.3(animations.)]TJ T* [(However,)-249.4(combined)-249.3(with)-249.3(music,)-249.4(narration,)-249.4(and)-249.3(lighting)-249.3(e)8.9(f)19(fects,)-249.4(the)-249.3(transformation)-249.3(captures)-249.3(the)-249.3(attention)-249.3(of)-249.4(people)-249.3(in)-249.3(the)-249.3(room)-249.3(and)-249.3(gives)-249.3(the)-249.3(room)-249.3(a)]TJ T* [(somewhat)-249.3(magical)-249.4(quality.)]TJ /F15 1 Tf T* [(Figure)-249.3(6.)]TJ /F13 1 Tf 4.5721 0 TD [(\(a\))-249.3(The)-249.3(speed)-249.3(of)-249.3(the)-249.3(boat)-249.3(is)-249.3(controlled)-249.3(by)-249.3(how)-249.3(vigorously)-249.3(people)-249.3(on)-249.3(the)-249.3(bed)-249.3(are)-249.3(rowing.)-249.4(If)-249.3(everyone)-249.3(stops)-249.3(making)-249.3(motions,)-249.4(the)-249.3(boat)]TJ -4.5721 -1.4444 TD [(imagery)-249.3(will)-249.4(stop)-249.3(moving)-249.3(forward.)-249.4(Obstacles)-249.3(such)-249.3(as)-249.3(the)-249.3(log)-249.3(in)-249.3(this)-249.3(series)-249.3(of)-249.4(images)-249.3(approach)-249.3(the)-249.3(boat.)-249.4(They)-249.3(can)-249.3(be)-249.3(avoided)-249.3(by)-249.3(rowing)-249.3(strongly)-249.3(on)]TJ T* [(the)-249.3(appropriate)-249.3(side)-249.3(of)-249.3(the)-249.3(bed)-249.3(\(i.e.,)-249.4(if)-249.3(the)-249.3(log)-249.3(is)-249.3(on)-249.3(the)-249.3(left)-249.3(as)-249.3(shown,)-249.4(then)-249.3(row)-249.3(on)-249.3(the)-249.3(left-hand)-249.3(side)-249.3(of)-249.4(the)-249.3(bed\).)-249.4(\(b\))-249.3(Audio)-249.3(feedback)-249.3(such)-249.3(as)-249.3(loud)]TJ T* [(crashes)-249.3(and)-249.3(narration)-249.3(signal)-249.4(when)-249.3(obstacles)-249.3(have)-249.3(been)-249.3(hit)-249.3(or)-249.3(avoided.)-249.4(Crashes)-249.3(tend)-249.3(to)-249.3(evoke)-249.3(expressive)-249.3(responses)-249.3(from)-249.3(children)-249.3(and)-249.3(subsequently)]TJ T* [(more)-249.3(enthusiastic)-249.3(rowing.)-249.4(\(c\))-249.3(A)-249.3(child)-249.3(and)-249.3(mother)-249.3(row)-249.3(the)-249.3(boat)-249.3(together.)]TJ /F15 1 Tf T* [(Figure)-249.3(8.)]TJ /F13 1 Tf 4.5721 0 TD [(The)-249.3(dance)-249.3(moves)-249.3(are)-249.3(taught)-249.3(to)-249.3(the)-249.3(children)-249.3(by)-249.3(the)-249.3(monsters)-249.3(using)-249.3(still-frame)-249.3(animation.)-249.4(The)-249.3(\256rst)-249.4(sequence)-249.3(shows)-249.3(one)-249.3(monster)-249.4(doing)]TJ -4.5721 -1.4444 TD [(the)-249.3(spin)-249.3(move:)-249.4(``Put)-249.3(your)-249.3(arms)-249.3(out)-249.3(and)-249.3(spin)-249.3(around)-249.3(like)-249.3(a)-249.3(top.'')-249.4(The)-249.3(second)-249.3(sequence)-249.3(shows)-249.3(another)-249.4(monster)-249.3(doing)-249.3(the)-249.3(`Y')-249.4(pose:)-249.4(``Throw)-249.3(your)-249.3(arms)-249.3(u)0(p)]TJ T* [(and)-249.3(make)-249.3(a)-249.3(`Y.')-249.4(The)-249.3(third)-249.3(sequence)-249.3(shows)-249.3(``Flap)-249.3(your)-249.3(arms)-249.3(like)-249.3(a)-249.3(bird,'')-249.4(and)-249.3(the)-249.3(last)-249.4(sequence)-249.3(shows)-249.3(``Crouch)-249.3(down)-249.3(and)-249.3(touch)-249.3(your)-249.3(toes.'')]TJ /F11 1 Tf 7.982 0 0 7.982 487.465 750.127 Tm 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C](R0jR)47֗"|#㉢Tovߎ]jW۞> xMCEjF]X>g-8$`EzvySR@pɧ\J?.zDg&1RɼVlم+6lٳf͛6f͛6^Vlٳcd'p׈'T, #'4^`PGPi_lܔu-"MTzWJVF0nLkR{av IX մ^w\QH_oiN^'nL۹j<T5$ӦX/ :jx%KJoJ׎ /MMQ.HV5o.8Rܝ]1e)@6Ƹbs+J5j$!fUsn2VM!5S/[צ֮઴j#WZ3Tҿ kC:k ;Sc\ ,?)P"Հsֽ2Er؋ll*_7u͗1͛6lݳgf͛6lyeUں$r{t8g r<qڔc^l$)PaZ&=J G֧԰$ᏔGT@}bb2 !;)HtM3FJԵ;iV7TcCMȹvaP-:lu}9o&W ס6K8}_$VϪjjS1$eU[նo&9p)boO=Eh3ь ›cA̲amŝ#gsA0 2kq f^oZ j`yx-Mjib+nI4R78W{/җP,=:R jT@;SIxP,Tҵʍ MTPrIs)^ZFEy+6lٳf͛6lٳff͛6l͛,ck!&zUW;.q~%P׵prԨb S6Ҙ$R AP>^<b(|>Yɩ>M *N`apEq pu'+ao׍3i%Xj6;Ch˱&9x WZXQ#z (ji׆ӅAfc<:O d>;bjhT$uBs > stream BT /F12 1 Tf 9.978 0 0 9.978 65.854 688.771 Tm 0 0 0 1 k /GS1 gs 0 Tc [(tain)-249.7(objects:)-249.7(the)-249.7(pieces)-249.7(of)-249.7(fur)-13.9(nitur)-9.9(e)-249.7(speak)-249.7(only)-249.7(when)-249.7(a)]TJ 0 -1.4 TD [(person)-249.7(is)-249.7(near)58.8(.)-249.7(The)-249.7(positional)-249.7(infor)-13.9(mation)-249.7(is)-249.7(also)-249.7(used)-249.7(to)]TJ T* 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[(man)-249.2(g)0.1(atekeeper)-249.3(pr)-9.9(evented)-249.2(people)-249.2(f)0(r)-9.9(o)0.1(m)-249.2(e)0(ntering)-249.2(during)-249.2(t)0(hose)-249.2(times.)]TJ T* [(When)-249.2(lighting)-249.2(stabilized,)-249.3(t)0(her)-9.9(efor)-9.9(e)0(,)-249.3(t)0(he)-249.2(system)-249.2(knew)-249.2(the)-249.2(number)-249.3(o)0.1(f)]TJ T* [(people)-249.2(i)0(n)-249.2(t)0(he)-249.2(r)-9.9(oom)-249.2(on)-249.2(the)-249.2(b)0.1(ed)-249.2(and)-249.2(c)0(ould)-249.2(i)0(nitialize)-249.2(the)-249.2(tracker)-249.3(accor)-7.8(d)0.1(-)]TJ T* -0.0001 Tc [(ingly)93.7(.)]TJ ET q 1 i 317.299 610.157 240.151 86.054 re W n q 240 0 0 86 317.2989 610.1574 cm /Im11 Do Q Q BT /F15 1 Tf 8.98 0 0 8.98 317.299 591.525 Tm 0 Tc [(Figure)-249.3(9.)]TJ /F13 1 Tf 4.5721 0 TD [(The)-249.3(left)-249.4(image)-249.3(shows)-249.3(a)-249.3(view)-249.3(with)-249.3(three)-249.3(people)-249.3(in)-249.3(the)-249.3(room)]TJ -4.5721 -1.4444 TD 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Ssч)I:F켓;FIH+ܖ\e[Qp,esl~t>P!KOW^r#Я6~qE sS%_q>qMեOqC8KjJ7Î)4}Io_/8Pq/}ե?+?|MM 5ӕ4W0pw Tiio~p! hWt`-~Q4+ե<y{I9IcpC+JX"[QaO>t}6@Bcm Ñ.ҼNq;Ի$Fo\Կo7._7ћu/DhyK&1{?#y > stream BT /F15 1 Tf 9.978 0 0 9.978 78.826 390.807 Tm 0 0 0 1 k /GS1 gs 0 Tc [(2.4.2)-500(Music)-249.7(and)-249.7(Sound)-249.7(Control.)]TJ /F12 1 Tf 15.1944 0 TD [(The)-249.7(Kids-)]TJ -17.5944 -1.4 TD [(Room)-249.7(has)-249.7(an)-249.7(original)-249.7(scor)-9.9(e)-249.7(written)-249.7(for)-249.7(this)-249.7(interactive)]TJ T* [(installation.)-249.7(The)-249.7(music)-249.7(consists)-249.7(of)-249.7(fifty)-249.7(shor)-32.9(t)-249.7(M)0.1(IDI)-249.7(seg-)]TJ T* [(ments,)-249.7(many)-249.7(of)-249.7(which)-249.7(can)-249.7(be)-249.7(concatenated)-249.7(to)-249.7(for)-13.9(m)-249.7(mu-)]TJ T* [(sical)-249.7(phrases)-249.7(that)-249.7(gradually)-249.7(incr)-9.9(ease)-249.7(in)-249.7(complexity)93.8(.)-249.7(The)]TJ T* [(selection)-249.7(of)-249.7(musical)-249.7(segments,)-249.7(tempo,)-249.7(and)-249.7(volume)-249.7(is)-278.7(un-)]TJ T* [(der)-249.7(computer)-249.7(contr)-9.9(ol)-249.7(and)-249.7(is)-249.7(changed)-249.7(based)-249.7(upon)-249.7(the)]TJ T* [(action)-249.7(in)-249.7(the)-249.7(r)-9.9(oom)-249.7(and)-249.7(the)-249.7(pr)-9.9(ogr)-9.9(ession)-249.7(of)-249.7(the)-249.7(stor)-52.8(y)93.8(.)]TJ T* [(Computer)-249.7(contr)-9.9(ol)-249.7(of)-249.7(the)-249.7(music)-249.7(is)-249.7(such)-249.7(that)-249.7(the)-249.7(contr)-9.9(ol)]TJ T* [(pr)-9.9(ogram)-249.7(can)-249.7(inter)-15.9(r)-29(upt)-249.7(music)-249.7(abr)-29(uptly)-249.7(or)-249.7(at)-249.7(the)-249.7(end)-249.7(of)-249.7(a)]TJ T* [(musical)-249.7(phrase,)-249.7(depending)-249.7(upon)-249.7(the)-249.7(situation.)]TJ 1 -1.4 TD [(When)-249.7(the)-249.7(contr)-9.9(ol)-249.7(pr)-9.9(ogram)-249.7(calls)-249.7(for)-249.7(a)-249.7(par)-32.9(ticular)-249.7(sound)]TJ -1 -1.4 TD [(ef)-36.9(fect,)-249.7(the)-249.7(sound)-249.7(file)-249.7(is)-249.7(str)-9.9(eamed)-249.7(to)-249.7(a)-249.7(p)0(r)-9.9(ocess)-249.7(that)-249.7(adjusts)]TJ T* [(the)-249.7(volume)-249.7(of)-249.7(the)-249.7(sound)-249.7(in)-249.7(the)-249.7(four)-249.7(speakers)-249.7(to)-249.7(localize)]TJ T* [(the)-249.7(sound)-249.7(in)-249.7(a)-249.7(r)-9.9(egion)-249.7(of)-249.7(the)-249.7(r)-9.9(oom)-249.7(specified)-249.7(by)-249.7(the)-249.7(con-)]TJ T* [(tr)-9.9(ol)-249.7(pr)-9.9(ogram.)]TJ /F15 1 Tf 2.4 -2.8 TD [(2.4.3)-500(Lighting)-249.7(Control.)]TJ /F12 1 Tf 11.1982 0 TD [(The)-249.7(computer)29.9(-vision)]TJ -13.5982 -1.4 TD [(tracking)-249.7(and)-249.7(r)-9.9(ecognition)-249.7(algorithms)-249.7(r)-9.9(equir)-9.9(e)-249.7(that)-249.7(the)]TJ T* [(r)-9.9(oom)-249.7(be)-249.7(well)-249.7(lighted)-249.7(and)-249.7(that)-249.7(the)-249.7(lighting)-249.7(settings)-249.7(can)]TJ T* [(be)-249.7(r)-9.9(eliably)-249.7(set)-249.7(prior)-249.7(to)-249.7(each)-249.7(r)-29(un.)-249.7(Consequently)83.8(,)-249.7(special)]TJ T* [(lighting)-249.7(is)-249.7(used)-249.7(only)-249.7(in)-249.7(transition)-249.7(segments)-249.7(during)-249.7(which)]TJ 25.2 29.4 TD [(time)-249.7(the)-249.7(vision)-249.7(algorithms)-249.7(ar)-9.9(e)-249.7(disabled.)-249.7(Even)-249.7(this)-249.7(mod-)]TJ 0 -1.4 TD [(est)-249.7(use)-249.7(of)-249.7(lighting)-249.7(ef)-36.9(fects)-249.7(enhances)-249.7(the)-249.7(ambience)-249.7(of)-249.7(the)]TJ T* [(KidsRoom.)-249.7(The)-249.7(lighting)-249.7(is)-249.7(fully)-249.7(computer)-249.7(contr)-9.9(olled)]TJ T* [(using)-249.7(a)-249.7(M)0.1(IDI)-249.7(light)-249.7(boar)-7.9(d.)-249.7(Some)-249.7(of)-249.7(our)-249.7(r)-9.9(ecent)-249.7(ef)-36.9(for)-32.9(ts)-249.7(in)]TJ T* [(using)-249.7(automated)-249.7(vision)-249.7(systems)-249.7(in)-249.7(theater)-249.7(\(Pinhanez)-249.7(and)]TJ T* [(Bobick,)-249.7(1998\))-249.7(use)-249.7(a)-249.7(multicamera)-249.7(segmentation)-249.7(method)]TJ T* [(that)-249.7(is)-249.7(invariant)-249.7(to)-249.7(lighting)-249.7(changes)-249.7(\(Ivanov)83.8(,)-249.7(Bobick,)-249.7(&)]TJ T* [(Liu,)-249.7(1998\).)]TJ /F15 1 Tf 2.4 -2.8 TD [(2.4.4)-500(Animation)-249.7(Control.)]TJ /F12 1 Tf 12.3631 0 TD [(T)60(o)-249.7(captur)-9.9(e)-249.7(the)-249.7(imagi-)]TJ -14.7631 -1.4 TD [(native)-249.7(flavor)-249.7(of)-249.7(a)-249.7(stor)-52.8(ybook)-249.7(and)-249.7(to)-249.7(pr)-9.9(event)-249.7(the)-249.7(video)]TJ T* [(ef)-36.9(fects)-249.7(fr)-9.9(om)-249.7(dominating)-249.7(the)-249.7(attention)-249.7(of)-249.7(the)-249.7(childr)-9.9(en,)]TJ T* [(the)-249.7(KidsRoom)-249.7(uses)-249.7(layer)-9.9(ed,)-249.7(still-frame,)-249.7(car)-32.9(toon-like)-249.7(ani-)]TJ T* [(mation)-249.7(sequences.)-249.7(The)-249.7(contr)-9.9(ol)-249.7(pr)-9.9(ogram)-249.7(r)-9.9(equests)-249.7(an)-249.7(ani-)]TJ T* [(mation,)-249.7(like)-249.7(`)8(`blue-monster)29.9(-cr)-9.9(ouch')8(')-249.7(for)-249.7(a)-249.7(par)-32.9(ticular)]TJ T* [(scr)-9.9(een)-249.7(at)-249.7(a)-249.7(cer)-32.9(tain)-249.7(frame)-249.7(rate)-249.7(\(usually)-249.7(about)-249.7(two)-249.7(frames)]TJ T* [(per)-249.7(second\),)-249.7(and)-249.7(several)-249.7(frames)-249.7(ar)-9.9(e)-249.7(str)-9.9(eamed)-249.7(to)-249.7(the)-249.7(dis-)]TJ T* [(play)93.8(.)-249.7(A)-249.7(benefit)-249.7(of)-249.7(such)-249.7(stor)-52.8(ybook)-249.7(animation)-249.7(is)-249.7(that)-249.7(we)-249.7(do)]TJ T* [(not)-249.7(need)-249.7(to)-249.7(tightly)-249.7(synchr)-9.9(onize)-249.7(the)-249.7(motion)-249.7(of)-249.7(the)-249.7(ani-)]TJ T* [(mated)-249.7(characters)-249.7(to)-249.7(that)-249.7(of)-249.7(the)-249.7(childr)-9.9(en,)-249.7(but,)-249.7(like)-249.7(a)-249.7(sto-)]TJ T* [(r)-52.8(ybook,)-249.7(the)-249.7(still-frame)-249.7(car)-32.9(toons)-249.7(can)-249.7(convey)-249.7(rich)-258.5(charac-)]TJ T* [(ter)-249.7(activity)93.8(.)]TJ ET 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