役者の位置関係・視線方向を考慮した演劇自習支援システム
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(2) Vol.2014-DCC-7 No.17 Vol.2014-EIP-64 No.17 2014/5/15. ใॲཧֶձڀݚใࠂ IPSJ SIG Technical Report ද 1. ද 2. ࿅शͷ֬อঢ়( گෳճ) (จ[ ݙ1] ΑΓ). ʹΑΔͱɼશମ࿅शதԋग़Ո͕ऀʹࢦࣔ͢Δ༰ͱͯ͠ɼ. Table 1 Secure Practice Theater. ҎԼͷཁૉΛத৺ʹ͛ڍΒΕΔɽ. • Ґஔɾࢹ (ྫ:͜͜Λา͘ͱ͖ͬͪ͜)ͯݟ. ճ. ׂ߹. ࣗલͰอ༗͍ͯ͠Δ. 28. 34.1%. • ηϦϑճ͠ (ྫ:Λେ͖͘). ܧଓతʹआ༻͍ͯ͠Δ. 25. 30.5%. ͦͷआ༻͍ͯ͠Δ. 30. 36.6%. • λΠϛϯά (ྫ:͏ͪΐͬͱૣ͘). ͦͷଞ. 14. 17.1%. ߹ܭ. 97. 118.3%. ͜ΕΒͷཁૉ͕ԋܶͰॏཁͰ͋ΔͷʹؔΘΒͣɼࡏݱͷ ࣗओ࿅शͰ༻͞Ε͍ͯΔຊͷΈͰจࣈͰͷใ͔͠ ͳ͍ͨΊͦΕΒΛ֬ೝ͠ɼ࿅शʹө͢Δ͜ͱࠔͰ͋ ΔɽಛʹߦಈɾࢹΛҙࣝͨ͠࿅शΛߦ͏ʹɼԋग़Ոͷ. ্࣭ͷͨΊͷऔঢ়( گෳճ) (จ[ ݙ1] ΑΓ). ࢦࣔͷଞʹɼଞͷऀɾಓ۩͕Ͳ͜ʹҐஔ͢Δ͔ΛѲ͢. Table 2 Process to Improve Drama. Δඞཁ͕͋ΔͨΊɼຊ͚ͩͰ͍͠ɽ ׂ߹. ߨԋʹ͚ͯͷࢦಋɼ࿅श࣌ؒͷ֬อ. 80.5%. ݸਓͰͷࣗओ࿅शʹ͍ͤͯΔ. 57.3%. ऀͷࣗओతͳτϨʔχϯάΛྭ͍ͯ͠Δ. 46.3%. ެԋʹ݁ͼ͔ͭͳ͍ৗత܇࿅ɼݚमΛߦ͍ͬͯΔ. 37.8%. ͕͞ڀݚΕ͖ͯͨɽImprov [4] ɼԋܶͷɾଞऀΛ. ެԋʹ݁ͼ͔ͭͳ͍ఆظతݚमΛߦ͍ͬͯΔ. 28.0%. CG Ͱඳ͍ͨԾۭؒͰද͠ݱɼਐߦதͷଞऀͷإ. 7.3%. ͷදݱɾମͷಈ͖Λ֬ೝ͢Δ͜ͱ͕Ͱ͖ΔɽShakespeare. 257.3%. Karaoke [5] ɼγΣΠΫεϐΞܶͷγʔϯΛ CG Λ༻͍ͯ. ͦͷଞ ߹ܭ. 2.3 ैདྷڀݚ ͜Ε·Ͱԋܶɾ౿ͷ࿅शΛࢧԉ͢Δ༷ʑͳγεςϜ. ࠶͠ݱɼϢʔβͦΕΛ͕ͳݟΒԋܶͷ࿅शΛߦ͏͜ͱ͕ ʹڥଈͨ͠࿅श͕Ͱ͖ΔͱݶΒͣɼ੍͖ͷ࿅. Ͱ͖ΔɽThe Choreographerʟs Notebook [6] ɼৼࢣ͕. श͔͠ߦ͑ͳ͍߹͕͋Δɽྫ͑ɼԋܶஂମͷ΄ͱΜͲ. ౿ͷϏσΦʹࣈນɾΠϯΫऍΛՃ͑Δ͜ͱʹΑΓɼ࣮. ࿅शͱͯ͠ެࢪڞઃΛར༻͍ͯ͠ΔͨΊɼཱͪݹܤΛ. ԋऀ͕ৼࢣͷࢦࣔʹөͨࣗ͠शΛߦ͏͜ͱ͕Ͱ͖Δɽ. த৺ͱͨ͠࿅शΛߦ͍ͬͯΔ [3]ɽ͜ͷ͜ͱ͔Βɼԋܶஂ. ͔͠͠ͳ͕Βɼ͜ΕΒͷγεςϜɼجຊతʹ PC ͷσΟ. ମ๊͕͑Δʹɼ࿅शͷ֬อͱຊ൪ͷʹڥଈͨ͠࿅. εϓϨΠݻఆ͞Εͨը໘্Ͱಈ࡞͢Δ͜ͱ͔Βɼԋܶͷ. श͕࣌ؒগͳ͍͜ͱ͕͛ڍΒΕΔɽ. ॏཁͳཁૉͰ͋ΔऀͷࢹΛѲ͢Δ͜ͱ͕͍͠ɽ. ಉ༷ͷௐࠪʹ͓͍ͯɼԋܶஂମʹରͯ͠ԋܶͷࢿ্࣭. AR Karaoke [7]ɼ AR facade [8] ͰɼHMD Λ༻͍ͨɼ. ͷͨΊͷऔঢ়͍ͯͭʹگɼද 2 ͷ݁Ռ͕ճ͞Εͨɽද. ֦ுͰ࣮ݱͷԋܶͷϦϋʔαϧΛ࣮ͨ͠ݱɽSlater Βͷ. 2 ͔Βɼԋܶஂମߨԋʹ͚ͯͷ࿅श࣌ؒΛ֬อͯ͠. [ ڀݚ9] ͰɼVR ͰڥͷԋܶͷϦϋʔαϧΛࢧԉ͠. ͍ΔΒɼऀݸਓͷࣗओ࿅शΛࢿ্࣭ͷऔͱͯ͠औ. ͍ͯΔɽWilliam S. Βͷ[ ڀݚ10] ͰɼCAVE γεςϜ. ΓೖΕ͍ͯΔ͜ͱ͕͑ݴΔɽ. ͱϞʔγϣϯΩϟϓνϟʔɾγεςϜΛΈ߹ΘͤΔ͜ͱ. Ҏ্ͷ͜ͱ͔Βɼऀͷࣗओ࿅शԋܶ׆ಈʹ͓͍ͯॏ. ʹΑΓɼऀͱԋग़ՈͷԕִࢦಋΛ࣮ͨ͠ݱɽ͔͠͠ͳ͕. ཁͰ͋Δ͜ͱ͕͍͑Δɽࣗओ࿅शͷ࣭Λ্͛Δ͜ͱͰɼ࿅. Βɼ͜ΕΒͷγεςϜɼઃඋ͕େֻ͔ΓͰ͋ΔͨΊɼ. शͷΛղܾ͢Δ͚ͩͰͳ͘ɼԋܶશମͷ࣭ͷ্ʹ. ॴʹ੍͕ੜ͡Δͷ͕ੜ͡Δɽ. େ͖ؔ͘༩͢Δɽ. 3. ຊڀݚͷఏҊ. 2.2 ࣗओ࿅शͷݱঢ় ԋܶʹ༷ʑͳछྨ͕ଘࡏ͢Δ͕ɼຊͰڀݚܶࡏݱɼ ऀ͕ԋٕͱ٭ຊΛ֮͑ɺܶʹ্ͯԋ͢ΔԋܶΛରͱ ͢Δɽ ࡏݱෳଘࡏ͢Δࣗओ࿅श๏ͷͳ͔Ͱಛʹ͘ߦΘΕͯ. ຊͰڀݚऀͷҐஔؔΛߟྀͨ͠ԋܶࣗशࢧԉγε ςϜΛఏҊ͢ΔɽఏҊख๏ͷΠϝʔδΛਤ 1 ʹࣔ͢ɽ ຊఏҊϓϩδΣΫγϣϯ੍ޚγεςϜࢠిͼٴຊΛ Έ߹ΘͤΔ͜ͱʹΑΓɼ2.2 અʹͯઆ໌ͨ͠ऀͷҐஔɾ ࢹΛҙࣝͨ͠ԋܶͷࣗओ࿅शΛߦ͏͜ͱ͕ՄೳͱͳΔɽ. ͍ΔͷຊΛ༻͍ͨࣗओ࿅शͰ͋Δɽ͜ͷ࿅शऀ. ·ͨɼैདྷ[ ڀݚ7–10] ͷΑ͏ͳେنͷॴɾઃඋΛ༻ҙ. ͕ԋ͡ΔͷηϦϑΛ֮͑ɼͷਐߦΛ֬ೝ͢Δɼॏ. ͢Δ͜ͱͳ͘࿅श͢Δ͜ͱ͕ՄೳͱͳΔɽຊγεςϜͰ. ཁͳ࿅शͰ͋ΔɽຊͰڀݚैདྷͷࣗओ࿅श๏ͱͯ͠ɼ. ϓϩδΣΫλͷࣹӨڑͷ্ؔɼ4 ఔͷਖ਼ํܗͷ. ຊΛ༻͍ͨࣗओ࿅शʹ͢Δɽ. ෦Ͱӡ༻͢Δ͜ͱ͕దͰ͋Δͱߟ͑ΒΕΔɽ. ·ͨɼෳͷऀ͕࿅शʹू·ͬͯͷશମ࿅श๏ɼ ·ͣऀԋग़ՈͷલͰԋٕΛߦ͏ɽԋग़Ոऀʹࢦࣔ. 3.1 ϓϩδΣΫγϣϯ੍ޚγεςϜ. ͢Δ͜ͱͰɼऀԋٕͷमਖ਼Λߦ͏ɽ͜ͷϓϩηεΛ܁. ຊͰڀݚଞऀɾಓ۩ͷҐஔɾํͷѲΛՄೳʹ͢. Γฦ͢͜ͱʹΑΓɼԋܶͷ্࣭͕͢Δɽ҆ޙΒͷ[ ڀݚ2]. Δஔͱͯ͠৽ͨʹϓϩδΣΫγϣϯ੍ޚγεςϜΛ༻͍. ⓒ 2014 Information Processing Society of Japan. 2.
(3) Vol.2014-DCC-7 No.17 Vol.2014-EIP-64 No.17 2014/5/15. ใॲཧֶձڀݚใࠂ IPSJ SIG Technical Report. ͕·ؚΕ͍ͯΔͷͰɼऀ͝ͱʹిࢠຊΛ੍࡞͢Δඞཁ ͕ͳ͘ɼԋܶஂମͷதͰిࢠຊΛஂһಉ࢜Ͱڞ༗͢Δ͜ ͱ͕ՄೳͱͳΔɽిࢠຊΛىಈʹޙɼϢʔβࣗͷ Λબ͢Δ͜ͱͰɼબͨ͠ͷҰਓশࢹ͔Βͷ ਐߦΛ֬ೝͰ͖Δɽ ਐߦΛ֬ೝ͢ΔͨΊͷڀݚจ[ ݙ4] ɼʑͷݚ ߦ͕ڀΘΕ͖ͯͨɽຊ༻ʹͨ৽Ͱڀݚҙ͢Δిࢠຊ ਐߦதͷऀͷҐஔɾࢹʹ͠ɼ༻͢Δऀͷ 3D ϞσϧͦΕʹ߹Θͤͯ؆ུԽͨ͠ɽࠓճిࢠຊͰ༻ ͨ͠ऀͷ 3D ϞσϧΛਤ 2 ʹࣔ͢ɽ. ਤ 1. ఏҊख๏Πϝʔδਤ. Fig. 1 Proposed System. ͨɽ͜ͷγεςϜී͞ٴΕ͍ͯΔϓϩδΣΫλʔʹɼί ϯϐϡʔλ੍ʹޚΑΔճస (ύϯ) ಈ࡞( ͖ͼٴνϧτ) ಈ࡞ΛՃͨ͠γεςϜͰ͋Δɽ͜ͷ੍ޚγεςϜΛ༻͍ ͯɼऀ͕ԋٕΛ͍ͯ͠Δ࠷தʹ͍͍ͯͳ͚ΕͳΒͳ. ਤ 2 ిࢠຊ ऀϞσϧ. ͍ํʹɼޙड़͢ΔిࢠຊΛөࣸ͢Δ͜ͱͰɼϢʔβ. Fig. 2 3D Actor in Digital Script. ଞऀɾಓ۩ͷҐஔɾํΛৗʹѲ͢Δ͜ͱ͕Ͱ͖Δɽ ྫ͑ɼਐߦதʹʮऀ A ͷ͍ͯ͢ʯʮϕϯ. ͜ͷ 3D ϞσϧΛ༻͍Δ͜ͱͰɼϢʔβऀͷҐஔɾ. νʹ࠲Δʯͷಈ࡞Λࣗओ࿅शதʹө͍ͤͨ͞߹ɼର. ࢹΛ༰қʹཧղ͢Δ͜ͱ͕Ͱ͖Δɽ·ͨిࢠຊͷઃܭ. ͷ͋Δํʹөࣸ͢Δ͜ͱͰɼϢʔβ্Ͱͷର. ʹ͋ͨͬͯɼऀͷإͷදৼΓͷཁૉΛऔΓআ͍ͨɽ. ͷҐஔΛॠ࣌ʹѲ͢Δ͜ͱ͕ՄೳͱͳΔɽຊ੍ޚγε. ཧ༝ɼ͜ΕΒԋग़ՈͷৄࡉͳϑΟʔυόοΫΛඞཁͱ. ςϜਐߦதͷऀͷࢹઢํʹ߹ΘͤͨϓϩδΣΫ. ͢ΔཁૉͰ͋Δ͜ͱɼ·ͨిࢠຊͷ੍࡞Λෳࡶʹ͢Δཁ. γϣϯΛߦ͏ͷͰɼCAVE γεςϜશํҐʹө૾Λө͢. ૉͰ͋Δͱߟ͑Δ͔ΒͰ͋ΔɽిࢠຊΛ༻͍Δ͜ͱͰԋ. γεςϜͱൺɼऀͷࢹΛΑΓҙࣝͨ͠࿅शΛߦ͏͜. ٕͷରͷؔڑΛѲ͢Δ͜ͱ͕Ͱ͖Δɽ·ͨɼη. ͱ͕ՄೳͱͳΔɽ·ͨɼ෦ͷத৺ʹຊ੍ޚγεςϜΛઃ. ϦϑɾߦಈͷλΠϛϯάর໌ɾԻڹΛؚΜͩมԽΛ. ஔ͢Δ͜ͱͰଈ࠲ʹڥΛߏஙͰ͖Δ͜ͱ͔Βɼैདྷڀݚ. ࣌ؒʹԊͬͯ֬ೝɼࣗओ࿅शʹө͢Δ͜ͱ͕ՄೳͱͳΔɽ. ͷγεςϜͱൺɼॴɾઃඋͷෛ୲͕গͳ͍ɽ ຊγεςϜॴͷΛղܾ͢ΔͨΊɼϓϩδΣΫλ. 4. ࣮. ࣗͷҠಈػೳ͕උΘ͍ͬͯͳ͍ɽΑͬͯɼऀͷࢹઢํ. ࠓճͷ࣮ͰϓϩδΣΫγϣϯ੍ޚγεςϜͼٴຊγ. ʹൺɼऀͷͷதͰͷҐஔؔΛਖ਼֬ʹѲ͢Δ. εςϜͷ੍ޚΛߦ͏ Windows PC Λ༻ͨ͠ɽ྆σόΠ. ͜ͱ͕͍͠ɽ͕ͩɼଞऀͱͷͯؔ͠ʹؔڑɼޙ. εΛଓɼىಈ͠ɼPC ʹͯిࢠຊΛىಈ͢Δ͜ͱͰɼຊ. ड़͢ΔిࢠຊιϑτΣΞதͷऀͷҰਓࢹ͔Βͷө. γεςϜͷࣗओ࿅शΛ࣮ߦ͢Δ͜ͱ͕Ͱ͖Δɽ. ૾͔ΒѲ͢Δ͜ͱ͕ՄೳͱͳΔɽ·ͨɼిࢠຊιϑτ ΣΞதʹͷ၆ᛌࢹΛಉ࣌ʹ༻ҙ͢Δ͜ͱʹΑΓɼ ্ͰͷҐஔΛѲ͢Δ͜ͱͱ͕ՄೳͱͳΔɽ. 4.1 ϓϩδΣΫγϣϯ੍ޚγεςϜ ϓϩδΣΫγϣϯ੍ޚγεςϜͷө૾Λਤ 3 ʹࣔ͢ɽ ຊ੍ޚγεςϜطଘͷϓϩδΣΫλɼύϯɾνϧτɹϢ. 3.2 ిࢠຊ. χοτɼࡾߏͰ٭͞Ε͍ͯΔɽϓϩδΣΫλͲͷ֯. લઅͰઆ໌ͨ͠ϓϩδΣΫγϣϯ੍ޚγεςϜ͕өࣸ͢. Ͱөࣸͯ͠ɼը໘ͷΈΛࣗಈͰֱਖ਼͢Δػೳ͕උΘͬ. Δίϯςϯπͱͯ͠ɼຊͰڀݚ࣮ࡍͷ্ͷۭؒΛ֬. ͍ͯΔͷΛ༻ͨ͠ɽϓϩδΣΫλʹύϯνϧτಈ࡞Λ. ೝͰ͖ΔʮిࢠຊʯιϑτΣΞΛ༻ҙ͢Δɽిࢠຊ. Ճ͢ΔσόΠεɼFLIR ࣾͷύϯɾνϧτɹϢχοτ. 3D ϞσϧͰද͞ݱΕͨԾͷ͔ΒΓཱ͍ͬͯΔɽ. Ͱ͋Δ PTU-D46 Λར༻ͨ͠ɽ͜ͷϢχοτ ±180 ◦ ͷൣ. ԋܶͷγʔϯ͝ͱʹ༻ҙ͠ɼதʹ֤ऀͷηϦϑɼҐஔ. ғΛ 300 ◦ /ඵͷͰͷύϯಈ࡞Λߦ͑Δɽ·ͨɼ±111 ◦. ࢹͼٴͷσʔλͼٴԻڹɾর໌ͷมԽσʔλ͕·ؚΕͯ. ͷൣғΛ 300 ◦ /ඵͷͰͷνϧτಈ࡞Λߦ͑Δɽ͜ͷϢ. ͍ΔɽిࢠຊҰຊͷதʹɼγʔϯதͷऀશһͷσʔλ. χοτͷίϚϯυ௨৴ɼRS-232 ܦ༝ʹͯߦ͏ɽ. ⓒ 2014 Information Processing Society of Japan. 3.
(4) Vol.2014-DCC-7 No.17 Vol.2014-EIP-64 No.17 2014/5/15. ใॲཧֶձڀݚใࠂ IPSJ SIG Technical Report. 䝥䝻䝆䜵䜽䝍 䝟䞁䞉䝏䝹䝖 䝴䝙䝑䝖 ୕⬮. λҎԼͷྻʹͯද͢ݱΔɽ. [t, where] ͜Εɼਐߦ࣌ؒ tʢඵʣ࣌ʹɼࢹઢํΛ where ํ ͷҠಈΛҙຯ͢Δɽࢹઢํํͷఆٛ࡞ɾཧͷ؆ ུԽͷͨΊɼࡾ࣍࠲ݩඪʹΑΔํఆٛΛߦΘͣɼ৽ͨʹ. where มΛઃఆ͠ɼwhere ͷʹΑͬͯݟΔํΛม Խͤ͞ΔΑ͏ʹઃͨ͠ܭɽྫ͑ɼຊిࢠຊͰ where ͕-1 ͷ࣌؍٬ʹɼ0 ͷ࣌Ҡಈ࣌ͷਐߦํʹɼ1 Ҏ ্ͷ࣌ͦΕͧΕͷʹରԠͨ͠ଞऀͷإಓ۩ʹ ͔ͬͯࢹઢΛҠಈ͢Δɽ͜ΕΒͷྻΛ༻͍Δͱɼऀͷ ҐஔɾࢹઢํΛࣗࡏʹిࢠຊʹΈೖΕΔ͜ͱ͕Ͱ͖. ਤ 3. ϓϩδΣΫγϣϯ੍ޚγεςϜ. Fig. 3 Projection Controll System. Δɽ·ͨɼ͜ΕΒͷσʔλʹΑΔࢹઢͷมԽʹ߹Θͤͯɼ ϓϩδΣΫγϣϯ੍ޚγεςϜʹίϚϯυ௨৴Λߦ͏͜ͱ ʹΑΓɼϓϩδΣΫγϣϯ੍ޚγεςϜͷಉظΛ࣮͢ݱΔɽ. 4.2 ిࢠຊ ిࢠຊɼ3D ήʔϜ։ൃ͋ͰڥΔ Unity Λ༻͍ͯ ࣮ͨ͠ɽిࢠຊͷىಈʹޙϢʔβ͕ԋ͡ΔΛબ ͢Δը໘͕දࣔ͞ΕΔɽΛબޙɼిࢠຊಈ࡞Λ։ ࢝͢Δɽಈ࡞ը໘Λਤ 4 ʹࣔ͢ɽ. Իڹɾর໌ͷมԽσʔλಉ༷ʹྻΛ༻͍ͯද͢ݱΔɽ ্ͷۭؒѲΛิॿ͢Δػೳͱͯ͠ɼిࢠຊʹ ҰਓশࢹઢํҎ֎ʹɼΛ্͔Βͨݟ၆ᛌࢹ؍ͼٴ ٬͔ΒͷࢹΛՃͨ͠ɽిࢠຊͷ࠶ੜ੍ͯ͠ͱޚɼ࠶ ੜɼҰ࣌ఀࢭɼఀࢭ (͡Ί͔Β)ɼ࠶ੜͷมߋΛߦ͏ ͜ͱ͕ՄೳͰ͋Δɽ͞ΒʹɼϢʔβ͕ PC ͷೖྗσόΠε Λ༻͍ͣʹ࠶ੜ੍ޚɾࢹઢํมߋΛૢ࡞Ͱ͖ΔΑ͏ɼ ఱಊࣜגձࣾͷ Wii ϦϞίϯʹΑΔిࢠຊͷૢ࡞ʹରԠ ͍ͯ͠Δɽ. 5. ධՁ࣮ݧ ຊڀݚͷධՁ࣮ͰݧɼϢʔβ͕࣮ࡍʹ্ͰͷҐஔؔ ࢹͼٴઢํ͕ѲͰ͖Δ͔Λ֬ೝͨ͠ɽຊ࣮Ͱݧɼ ԋܶݧܦͷͳ͍େֶੜͼٴେֶӃੜ 10 ਓʹ࣮ݧΛߦͬͨɽ. 5.1 ࣮ݧ༰ ਤ 4. ిࢠຊɹಈ࡞ը໘. Fig. 4 Digital Script. ·ͣɼຊධՁ࣮ࢠిʹͨ৽ʹ༻ݧຊΛ࡞͢Δɽ͜ͷ ిࢠຊԋܶஂମͰ͋Δ౦ిסژࡇ͕࣮ࡍʹ൸࿐ͨ͠ ԋܶͷҰγʔϯ͔Β࡞ΒΕ͍ͯΔ [11]ɽిࢠຊͷશ༰Λ. ిࢠຊɼબͨ͠ͷࢹઢํ͔Βͷө૾Λల։͢ Δɽଞऀͱ 3D Ϟσϧͷ৭ͼٴϞσϧͷ্෦ʹදࣔ͞. ਤ 5 ͱද 3 Λ༻͍ͯઆ໌͢Δɽ ਤ 5 ͷ 0 ͕ॻ͔ΕؙͨɼͦΕͧΕͷऀͷॳظҐஔʹ. ΕΔ໊લϥϕϧʹͯ۠ผ͢Δɽը໘Լ෦ʹɼऀͷηϦ. ૬͢Δɽ·ͨɼද 3 ͷʮ 1 Ҡಈʯɼऀ 1 ͕ਤ 5. ϑ͕ऀͷ৭ผʹදࣔ͞ΕΔɽࡏݱͷηϦϑͱฒߦʹɼ࣍. ͷ 1 ͕ॻ͔ΕؙͨҠಈ͢Δ͜ͱΛҙຯ͢Δɽ͜ͷ࣮Ͱݧ. ͷηϦϑɾߦಈΛදࣔ͢Δ͜ͱʹΑΓɼϢʔβηϦϑɾ. ऀͷηϦϑɼৼΓإͼٴͷදΛߟྀ͠ͳ͍ɽ. ߦಈͷλΠϛϯάΛࣄલʹѲ͢Δ͜ͱ͕ՄೳͱͳΔɽ. ͜ͷ࣮Ͱݧඃऀݧऀ 1 ͱͳΓɼҐஔࢹͼٴઢํΛ. ֤ऀͷ 3D ϞσϧʹͦΕͧΕҐஔσʔλɼࢹઢํ. ؚΉ্ͷߦಈΛ֮͑Δɽ·ͣɼඃʹऀݧͷશ༰Λ. σʔλ͕·ؚΕ͍ͯΔɽͦΕͧΕͷσʔλɼ༰қʹ࡞ɾ. ֬ೝ͢ΔͨΊɼձٞࣨͰͷϦϋʔαϧΛߦͬͨɽඃݧ. ཧΛߦ͑ΔͨΊʹɼͦΕͧΕྻʹͯද͢ݱΔɽऀͷ. ऀ͕ऀ 1 ͱͳΓɼڀݚνʔϜ͕ऀ 2ɼऀ 3ɼԋग़Ո. ҐஔσʔλҎԼͷྻʹͯද͢ݱΔɽ. Λ୲ͨ͠ɽԋग़ՈͦΕͧΕͷऀʹͲͷҐஔʹҠಈ͠. [t1 , t2 , x, y] ͜Εɼਐߦ࣌ؒ t1 (ඵ) ͔Β t2 (ඵ) ·ͰʹԾͷ࠲ඪ. (x, y) ͷҠಈΛҙຯ͢Δɽಉ༷ʹɼऀͷࢹઢํσʔ ⓒ 2014 Information Processing Society of Japan. ͳ͚ΕͳΒͳ͍ͷ͔ɼ·ͨͲͷํΛ͚ͳݟΕͳΒͳ ͍ͷ͔Λࢦࣔͨ͠ɽ͜ͷϦϋʔαϧΛ֤ඃ͖ͭʹऀݧҰ ߦͬͨɽ ϦϋʔαϧޙɼඃऀݧҐஔࢹͼٴઢํΛҙࣝͨࣗ͠. 4.
(5) Vol.2014-DCC-7 No.17 Vol.2014-EIP-64 No.17 2014/5/15. ใॲཧֶձڀݚใࠂ IPSJ SIG Technical Report. ͦΕͧΕͷߦಈ͝ͱʹҎԼͷ࣭Λճͯ͠Βͬͨɽ. • Ҡಈதɼ͋ͳͨͷҠಈઌͲ͜Ͱ͔͢ɽ( A) • ͍ͯݟΔࡍɼ͋ͳͨͲͪΒͷํʹ͍͍ͯ·͔͢ɽ ( B) ඃऀݧͦΕͧΕͷΛਤ 6, ਤ 7 ͷճγʔτΛ༻ ͍ͯճ͢Δɽ. ਤ 5. ͷશ༰. Fig. 5 Overview of the evaluation script. ऀ 1(). ऀ 2(੨). ߦಈ. ର. Ҡಈ. 1. ߦಈ. Ҡಈ. 2. ݟΔ. ᒵ. ݟΔ. ऀ 2. ݟΔ. ऀ 3. Ҡಈ. 3. ݟΔ. ऀ 2. ݟΔ. ऀ 3. Ҡಈ. 4. Ҡಈ. 5. ର. ऀ 3() ߦಈ. ର. ਤ 6 Ҡಈ. A ͷճγʔτ. Fig. 6 Answer sheet A. ੨1 Ҡಈ. 1. ද 3 ֤ऀͷߦಈ. Table 3 The evaluation script. शΛߦ͏͜ͱ͕Ͱ͖Δ͔Λ֬ೝͨ͠ɽඃऀݧΛάϧʔϓ. AɼB ʹ͚ɼάϧʔϓ A ʹจࣈͰॻ͔Εͨैདྷͷຊ Λɼάϧʔϓ B จࣈͷຊͱຊγεςϜΛར༻ͤ͞Δɽ ࿅शதɼຊγεςϜͷ၆ᛌࢹ (ਤ 4 ࢀর) ΛऔΓআ͖ɼά ϧʔϓ B ऀͷҰਓশࢹͷΈͰ࿅शΛߦ͏ɽจࣈຊ ҎԼͷΑ͏ʹ͞هΕ͍ͯΔɽ. . ऀ 1:. Ґஔ 0 ʹҠಈ.. ऀ 1:. Ґஔ 1 ʹҠಈ.[ A-1]. ऀ 1:. Ґஔ 2 ʹҠಈ.[ A-2]. ऀ 1:. Ґஔ 2 ۙΛݟΔ.[ B-1]. ऀ 1:. ऀ 2 ΛݟΔ.[ B-2]. ऀ 1:. ऀ 3 ΛݟΔ.[ B-3]. [ऀ 1 ͕ऀ 3 Λ͍ͯݟΔؒʹऀ 2 Ҡಈ͢Δ.] ऀ 1:. Ґஔ 3 ʹҠಈ.[ A-3]. [ऀ 1 ͕Ҡಈ͍ͯ͠Δؒʹऀ 3 Ҡಈ͢Δ.]. . ਤ 7 B ͷճγʔτ. Fig. 7 Answer sheet B. ඃ͕ऀݧ A Λճ͢Δࡍɼਤ 6 ͷ 8 ௨Γͷީิͷத ͔ΒҰͭΛબ͢Δɽྫ͑ɼɹ A-4 ͷਖ਼ղʮલʯ ͱͳΔɽཧ༝ਤ 5 ͷ 4 ʮલʯʹҐஔ͢Δ͔ΒͰ͋Δɽ. ऀ 1:. ऀ 2 ΛݟΔ.[ B-4]. ඃ͕ऀݧ B Λճ͢Δࡍɼਤ 7 ͷ 16 ௨Γͷީิͷத. ऀ 1:. ऀ 3 ΛݟΔ.[ B-5]. ͔ΒҰͭΛબ͢Δɽྫ͑ɼ B-5 ͷਖ਼ղʮ16ʯͱ. ऀ 1:. Ґஔ 4 ʹҠಈ.[ A-4]. ͳΔɽཧ༝ਤ 5 ͷ 3 ͱ 1 ͷҐஔ͔ؔΒɼํ 10. ऀ 1:. Ґஔ 5 ʹҠಈ.[ A-5]. ͕ద͔ͩΒͰ͋ΔɽඃऀݧͷճΛू͠ܭɼ݁ՌΛߟ. . ⓒ 2014 Information Processing Society of Japan. ͨ͠ɽ 5.
(6) Vol.2014-DCC-7 No.17 Vol.2014-EIP-64 No.17 2014/5/15. ใॲཧֶձڀݚใࠂ IPSJ SIG Technical Report. 5.2 ࣮݁ݧՌ. ͜ΕΒͷ݁Ռ͔ΒɼຊγεςϜऀͷҐஔؔࢹͼٴ. A(ऀͷҐஔʹؔ͢Δ) ͷू݁ܭՌΛਤ 8 ʹ. ઢํΛҙࣝͨ͠ԋܶࣗशࢧԉΛߦ͑Δ͜ͱΛࣔͨ͠ɽ࣮ ͍༻ʹݧΔຊΛΑΓ͘͠ɼෳࡶͳಈ͖ΛऔΓࠐΉ͜ͱ. ࣔ͢ɽ. ʹΑΓɼάϧʔϓ A ͱάϧʔϓ B ͷਖ਼ͷ͕ࠩେ͖͘ ͳΔͱࢥΘΕΔɽ. 5.3 ߟ 5.3.1 A ྆άϧʔϓͱʹ A-1 ͼٴA-3 ͷͷਖ਼͕ߴ͔ͬ ͨɽ͜Εޙ෦ʹҐஔ͢Δശ͕ҹʹͳ͍ͬͯΔ͔Β ͩͱࢥΘΕΔɽ͔͠͠ɼA-2,4,5 ͷʹؔͯ྆͠άϧʔ ϓͷਖ਼ʹΒ͖͕ͭݟΒΕͨɽ͜ΕΒͷݪҼΛҎԼͷ Α͏ʹߟ͢Δɽ. • ྆άϧʔϓʹڞɼઢͷ্ʹཱ͍ͬͯΔ͔͕அͰ͖ͳ ͔ͬͨ ଟ͘ͷඃऀݧɼਖ਼ղͷྡΛબΜͩɽྫ͑ A-5 ʹ͓ ਤ 8. A ͷਖ਼. Fig. 8 Result of Question A. ͍ͯɼਖ਼ղ͕ʮӈʯͰ͋Δͷʹ͔͔ΘΒͣଟ͘ͷඃݧ ऀ͕ʮӈલʯ·ͨʮӈޙʯΛબΜͰ͍ͨɽ͜ͷݱ ҰਓশࢹͰͷҐஔΛਖ਼֬ʹஅͰ͖ͳ͍͔. ͦΕͧΕͷͷਖ਼ɼΛਖ਼ղͨ͠ඃऀݧΛ ૯ඃׂͨͬͰऀݧͱͳ͍ͬͯΔ. ਤ 8 ʹΑΔͱɼς. ΒͩͱࢥΘΕΔɽ. • άϧʔϓ A େ͖͘Ҡಈ͢ΔࡍͷҠಈઌΛѲ͢Δ. ΩετຊͷΈΛ༻͍ͯ࿅शͨ͠άϧʔϓ A ͷਖ਼͕. ͜ͱ͕Ͱ͖ͳ͍. 68%ͩͬͨͷʹର͠ɼຊγεςϜΛ༻͍ͯ࿅शͨ͠άϧʔϓ. ͜ͷάϧʔϓ A ͷ A-4,5 ͷਖ਼͔Βɼάϧʔ. B ͷਖ਼͕ 80%Ͱ͋ͬͨ. t ݕఆΛߦͬͨͱ͜Ζɼ͜ΕΒ. ϓ A ͷΈʹ͍͖ͯىΔͩͱ͑ݴΔɽ͜ͷͷݪ. ͷʹ༗ҙ͕ࠩΈΒΕͳ͔ͬͨ. (t=0.34,df=8,p>0.05).. Ҽऀ͕େ͖͘ಈ͚ಈ͘΄ͲҠಈઌΛ֮͑Δͷ͕. (ऀͷࢹઢํʹؔ͢Δ) ͷू݁ܭՌΛਤ 9 ʹ. ࠔ͔ͩΒͱߟ͑ΔɽຊγεςϜҠಈઌͷํʹө ૾͕өΔͨΊɼάϧʔϓ B ʹ͜ͷΑ͏ͳ͕͜ى. ࣔ͢ɽ. Βͳ͔ͬͨɽ ͜ΕΒͷ݁Ռ͔Βɼਤ 4 ͷ၆ᛌࢹΛՃ͑Δ͜ͱʹΑΓɼ ຊγεςϜΛར༻͢Δ͏͑ͰऀͷҐஔΛਖ਼֬ʹஅ͢Δ ͜ͱ͕ՄೳͱͳΔɽ. 5.3.2 B A άϧʔϓ 16 ํ͔Βਖ਼ղΛબͿͷʹށ͍ͬͯΔ Βɼάϧʔϓ B ΄΅શͯͷ B Λਖ਼ղͨ͠ɽ(άϧʔ ϓ B ͷҰਓ͕ํ 11 ͱ 12 Λ۠ผͰ͖ͳ͔ͬͨɽ) άϧʔ ϓ A ͕ਖ਼ղͰ͖ͳ͔ͬͨݪҼʹؔͯ͠ɼҎԼͷΑ͏ʹߟ ͢Δɽ. • άϧʔϓ A ํͷখ͞ͳҧ͍ΛѲ͢Δ͜ͱ͕Ͱ ͖ͳ͔ͬͨ. B-1 ͷਖ਼ղ͕؆୯Ͱ͋ͬͨͨΊ (ํ 9 ͕ਖ਼ղ)ɼશͯ ਤ 9. B ͷਖ਼. Fig. 9 Result of Question B. ͷඃ ͕ऀݧB-1 Λਖ਼ղ͢Δ͜ͱ͕Ͱ͖ͨɽ͔͠͠ɼά ϧʔϓ A খ͞ͳํͷࠩҟΛ۠ผ͢Δ͜ͱ͕Ͱ͖ͳ ͔ͬͨͨΊɼάϧʔϓ A ͷશһ͕ B-3 Λਖ਼ղ͢Δ͜ͱ. ਤ 9 ʹΑΔͱɼςΩετຊͷΈΛ༻͍ͯ࿅शͨ͠ά. ͕Ͱ͖ͳ͔ͬͨɽҰํάϧʔϓ B ɼຊγεςϜ͕ద. ϧʔϓ A ͷਖ਼͕ 52%ͩͬͨͷʹର͠ɼຊγεςϜΛ. ͳࢹઢํʹΉ͚ͯө૾Λөͨ͢Ίɼ͜ͷΑ͏ͳ. ༻͍ͯ࿅शͨ͠άϧʔϓ B ͷਖ਼͕ 98%Ͱ͋ͬͨ. t. ͕͜ىΒͳ͔ͬͨɽ. ݕఆΛߦͬͨͱ͜Ζɼ͜ΕΒͷʹ༗ҙ͕ࠩΈΒΕͨ.. (t=2.46,df=8,p<0.05).. ⓒ 2014 Information Processing Society of Japan. • άϧʔϓ A ଞͷऀͷҐஔ·Ͱ֮͑ͳ͚ΕͳΒ ͳ͍. 6.
(7) Vol.2014-DCC-7 No.17 Vol.2014-EIP-64 No.17 2014/5/15. ใॲཧֶձڀݚใࠂ IPSJ SIG Technical Report. ͜ͷάϧʔϓ A ͷ B-4,5 ͷਖ਼ͷ͔͞Βɼ άϧʔϓ A ͷΈʹ͍͖ͯىΔͩͱ͑ݴΔɽ͜Ε. [4]. B-4,5 ऀ͕ผͷॴʹҠಈͨ͠ޙͷ͔ͩΒͱ ߟ͑Δɽ͜ͷΛਖ਼ղ͢Δʹɼάϧʔϓ A ࣗ ͷҐஔҎ֎ʹଞͷऀͷҐஔΛ֮͑Δඞཁ͕͋ΔɽҰ ํάϧʔϓ B ɼຊγεςϜ͕֤ऀͷҐஔ͔Βөࣸ. [5]. ํΛ͢ࢉܭΔͨΊɼऀͷҐஔʹؔΘΒͣ༰қʹਖ਼ ղ͢Δ͜ͱ͕Ͱ͖Δɽ. 6. ͓ΘΓʹ ԋܶ׆ಈதʹ๊͑ΔͷҰͭͱͯ͠ɼԋܶஂମ͕ࡁܦ. [6]. తͳཧ༝Ͱԋܶͷ࿅शΛࣗ༝ʹߦ͑Δ࿅शΛॴ༗ͳ͍ͱ ͜Ζ͔Βɼԋܶஂମऀݸਓͷࣗओ࿅शΛɼԋܶͷૉ࣭ ্ͷऔͱͯ͠ҕ·ͨྭ͍ͯ͠Δʹ͋Δɽԋ ग़Ո͕ऀʹࢦࣔ͢Δ༰ͱͯ͠ɼऀͷҐஔɾࢹઢํ. [7]. ߦಈͷλΠϛϯά͕શମͷࢦࣔͷଟ͘ΛΊΔ͕ɼࣗओ ࿅श࣌ɼࡏݱͷࣗओ࿅शͷ͋ͰࡐڭΔຊ͔ΒͰͦΕΒ ΛѲ͢Δ͜ͱࠔͰ͋Δɽ. [8]. ຊͰڀݚԋܶͷࣗओ࿅श๏ʹ͓͍ͯɼऀͷҐஔؔ ɾࢹઢํΛߟྀͨ͠࿅शʹ͠ɼଞऀͱͷҐஔؔ ηϦϑɾߦಈͷλΠϛϯάɼ࣮ࡍͷڥΛҙࣝ͠ ͨ࿅शΛࢧԉ͢ΔγεςϜΛఏҊ͢ΔɽίϯϐϡʔλʹΑ. [9]. Δճస੍ޚΛՄೳͱͨ͠ϓϩδΣΫγϣϯγεςϜΛ༻ ͍ɼϢʔβ͕ਐߦதɼ͚ͳݟΕͳΒͳ͍ํʹϓϩ δΣΫγϣϯΛߦ͏͜ͱʹΑΓɼϢʔβຊ൪Ͱͷࢹ ଞऀͱͷҐஔΛৗʹ֬ೝ͠ͳ͕Β࿅श͢Δ͜ͱ͕Ͱ. [10]. ͖ΔۭؒΛߏங͢Δɽ·ͨɼϓϩδΣΫγϣϯ͢Δίϯς ϯπͱͯ͠ɼैདྷͷจࣈͰද͞ݱΕͨຊͷΘΓʹɼ3D ͰਐߦΛ࠶͢ݱΔిࢠຊΛ༻͍Δ͜ͱͰɼଞऀͱ. [11]. ஙܭը I)ɼֶज़ߨԋߎ֓ू (2007). Perlin, K. and Goldberg, A.: Improv: a system for scripting interactive actors in virtual worlds, Proceedings of the 23rd annual conference on Computer graphics and interactive techniques, SIGGRAPH ’96, New York, NY, USA, ACM, pp. 205–216 (online), DOI: 10.1145/237170.237258 (1996). Cairco, L., Babu, S., Ulinski, A., Zanbaka, C. and Hodges, L. F.: Shakespearean karaoke, Proceedings of the 2007 ACM symposium on Virtual reality software and technology, VRST ’07, New York, NY, USA, ACM, pp. 239–240 (online), DOI: 10.1145/1315184.1315239 (2007). Singh, V., Latulipe, C., Carroll, E. and Lottridge, D.: The choreographer’s notebook: a video annotation system for dancers and choreographers, Proceedings of the 8th ACM conference on Creativity and cognition, C&C ’11, New York, NY, USA, ACM, pp. 197–206 (online), DOI: 10.1145/2069618.2069653 (2011). Gandy, M., MacIntyre, B., Presti, P., Dow, S., Bolter, J. D., Yarbrough, B. and O’Rear, N.: AR Karaoke: Acting in Your Favorite Scenes., ISMAR, IEEE Computer Society, pp. 114–117 (2005). Dow, S., Mehta, M., MacIntyre, B. and Mateas, M.: AR facade: an augmented reality interactve drama, Proceedings of the 2007 ACM symposium on Virtual reality software and technology, VRST ’07, New York, NY, USA, ACM, pp. 215–216 (online), DOI: 10.1145/1315184.1315227 (2007). Slater, M., Howell, J., Steed, A., Pertaub, D.-P. and Garau, M.: Acting in virtual reality, Proceedings of the third international conference on Collaborative virtual environments, CVE ’00, New York, NY, USA, ACM, pp. 103–110 (online), DOI: 10.1145/351006.351020 (2000). Steptoe, W., Normand, J.-M., Oyekoya, O., Pece, F., Giannopoulos, E., Tecchia, F., Steed, A., Weyrich, T., Kautz, J. and Slater, M.: Acting Rehearsal in Collaborative Multimodal Mixed Reality Environments., Presence, Vol. 21, No. 4, pp. 406–422 (2012). ผɹ࣮ɿখ͞ͳՈͱޒਓͷਈ࢜ (1979).. ͷΓͱΓɼ࣮ࡍͷڥͷมԽΛɼ࣌ؒʹͦͬͯ֬ ೝ͢Δ͜ͱ͕Ͱ͖Δɽ͜ΕΒʹΑΓɼऀ͕ॴΛબͣ ʹɼશମ࿅शͰ͔֬͠ೝͰ͖ͳ͍ཁૉΛөͨ͠࿅शΛݸ ਓͰߦ͏͜ͱ͕Ͱ͖ΔɽຊͰڀݚɼ࣮ࡍͷԋܶͷҰγʔ ϯΛʹجධՁ࣮ݧΛߦͬͨɽ͜ͷ࣮݁ݧՌ͔ΒɼϢʔβ͕ ਖ਼֬ͳࢹઢํɾҐஔؔΛѲͰ͖ΔΑ͏ͳڥΛߏங ͢Δ͜ͱ͕Ͱ͖ͨɽ ࠓޙͷ՝ͰɼిࢠຊΛөࣸɾ࠶ੜΛߦ͏σόΠε. (HMD ) ͷൺֱΛݕ౼͢Δɽ·ͨɼఏҊγεςϜΛ࣮༻ ͢Δʹ͋ͨΓඞཁͰ͋Δͱߟ͑Δɼԋग़Ո͕ϓϩάϥϛϯ άɾ3DCG ͷࣝͳ͠ʹɼ࣌ؒͰిࢠຊΛ࡞ɾߋ৽ ͢Δ͜ͱ͕ՄೳͳγεςϜΛߏஙɾධՁ͢Δ༧ఆͰ͋Δɽ ࢀߟจݙ [1] [2] [3]. จԽிɿ࣮ԋܳज़Ոʹؔ͢Δਓࡐͷҭͭʹ༻׆ͼٴ ͍ͯ (2009). ҆ޙඒلɼ௰ాউ٢ɿԋܶ࡞ʹ͓͚ΔγεςϜμΠφ ϛΫεɼೝՊֶɼ Vol. 14, No. 4, pp. 509–531 (2007). ࠤ౻৻ɼ৽ߴ࢙ɼຊਿলࡾɿ౦ژͷܶஂΛରͱ ͨ͠׆ಈΞϯέʔτʹΑΔௐࠪܶ( ڀݚɾϗʔϧ (3), ݐ. ⓒ 2014 Information Processing Society of Japan. 7.
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