ウェアラブル加速度センサを利用した姿勢評価の検討
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(2) 情報処理学会研究報告 IPSJ SIG Technical Report. Vol.2013-HCI-155 No.12 Vol.2013-UBI-40 No.12 2013/11/6. ͜ΕʹΑΓຊγεςϜར༻ऀΛҰΛ௨ͯ͡༨ͳෛՙ ͕͔͔Δ͜ͱͳ͘ੜ͠׆ɼڽݞΓͳͲͷෆշͳঢ়Λ͡ײ Δ͜ͱແ̍͘Λऴ͑ΒΕΔΑ͏ʹࢧԉ͢Δɽ ຊߘͰɺఏҊγεςϜͷ࢟ධՁ෦ʹ͍ͭͯ͢ٴݴ Δ. 2 ষͰ͜Ε·ͰʹߦΘΕ͖ͯͨ࢟ʹؔ͢ΔڀݚΛ. . ɹ. औΓ͋͛Δ. 4 ষͰຊߘͰѻ͏ෆྑ࢟ʹ͍ͭͯઆ໌͢. ਤ 1. Δ. 3 ষͰຊγεςϜͷ࢟ධՁํ๏ʹ͍ͭͯ͢ٴݴΔ..
(3) . ਖ਼ৗ࢟ͱෆྑ࢟. Fig. 1 Good and bad postures (ମͷઢபͷܗঢ়). 5 ষͰຊγεςϜͷ࣮ʹ͍ͭͯઆ໌͢Δ. 6 ষͰ࢟ ධՁ࣮͍ͯͭʹݧઆ໌͢Δ. 7 ষͰຊߘͷ·ͱΊͱࠓޙ ͷ՝ʹ͍ͭͯड़Δ. ɹɹ. 2. ؔ࿈ڀݚ ࢟ʹؔ͢Δڀݚ͞Ε͍ͯΔ. ࢟ΛσʔλԽ͢ Δखஈͱͯ͠ը૾ॲཧΣΞϥϒϧՃηϯαΛར ༻͢Δख๏͕ଘࡏ͢Δɽ. τϨε͕ՃΘΓർΕ͍͢ɽർΕΔͱόϥϯε͕͞Βʹ͘ ͣΕɼ࢟ͳ͓Ұѱ͘ͳΔͱ͍͏ѱ॥ͳʹΔɽർΕ શʹ͘Δ͚ͩͰͳ͘ɼಈ͖ετϨεͷଟ͍ܱࠊ ͷ෦ʹಛʹ͘ڧಇ͘ͷͰɼ͜ݞΓͱ͔ࠊ௧ͷେ͖͍ݪ ҼʹͳΔʯͱड़͍ͯΔ [6]ɽ ຊߘͰෆྑ࢟ͱͯ͠લ࢟ɼΓࠊɼटਨΕ࢟. ը૾ॲཧΛར༻ͨ͠ํ๏ͱͯ͠ɼNooritawati Βͷڀݚ. ͷ 3 ࢟Λѻ͏ (ਤ 1). લ࢟ࠎ൫ɼڳ͕લͨ͠. Soumitry Βͷ͛ڍ͕ڀݚΒΕΔɽNooritawati Βओ. ࢟Ͱ͋Δɽଆํ͔ΒݟΔͱମ͕શମతʹલ͍ͯ͠Δ. ੳ๏Λ༻͍ͯਓؒͷମγϧΤοτ͔ΒಛΛநग़. Α͏ʹ͑ݟΔɽ಄෦Λࢧ͑ΔͨΊʹटपΓͷےʹෛՙ͕. ͠ɼଟ֮Λ༻͍ͯɼݻ༗ۭؒมԽͷଟ༷ͳ߹ͤʹج. ͔͔Δɽલ࢟ೣഎ࣌ʹΑ͘ൃੜ͢Δ.. ͍ͮͯ࢟Λྨͨ͠ [1]. Soumitry Β࢟ղੳ༻ͷϨ. Γࠊ࢟ࠎ൫͕લ͠ɼࠊɼڳ͕࢟ͨ͠ޙ. ϯδΧϝϥΛ༻͍ͯɼࣄதͷཱҐঢ়ଶɼ࠲Ґঢ়ଶɼ্. Ͱ͋Δ. ಛʹࠊ͕େ͖͓ͯ͘͠ޙΓɼபʹےཱىෛ. ͕͍͕ͯͬۂΔঢ়ଶɼഝ͍ͬͯΔঢ়ଶͷ 4 ঢ়ଶͷࣝผΛ. ՙ͕͔͔ΔɽΓࠊ࢟உੑΑΓঁੑͷํ͕Γࠊʹ. ͨ͠ [2].. ͳΓ͍͢ɽ͜Εڳ෦ώʔϧͳͲͷཤʹΑͬͯॏ৺. ՃηϯαΛར༻ͨ͠ํ๏ͱͯ͠ɼChang Βͷڀݚ ֽݪΒͷڀݚɼΒͷ͛ڍ͕ڀݚΒΕΔɽChang ΒՃ. Ґஔ͕લํʹͳΓ͍͔͢ΒͰ͋Δ. टਨΕܱ࢟ͷΈ͕લ͍ͯ͠Δ࢟Ͱ͋Δ. ಄෦. ηϯαΛࠊ෦ʹऔΓ͚Δ͜ͱͰෆྑ࢟Λײ͠ɼ. Λࢧ͑ΔͨΊʹૐʹےେ͖ͳෛՙ͕͔͔ΔɽεϚʔτ. ՃηϯαͷৼಈΛར༻ͯ͠ɼར༻ऀʹ࢟ͷҙࣝΛ. ϑΥϯར༻ͷ૿Ճʹ͍ɼटਨΕ࢟ʹͳΔਓ͕૿Ճͯ͠. ଅ͢γεςϜΛ։ൃͨ͠ [3]. ֽݪΒาߦ࣌ʹ͕࢟ͣ͘. ͍Δ.. Ε͍͢͜ͱʹண͠ɼܞଳʹଂ͞Ε͍ͯΔՃ ηϯαΛར༻ͯ͠าߦੳΛ͢Δ͜ͱͰɼྑ࢟ͰาߦͰ ͖ΔΑ͏ࢧԉ͢ΔγεςϜΛ։ൃͨ͠ [4]. ΒՃ. 4. ࢟ධՁํ๏ͷݕ౼ 4.1 ηϯαઃஔՕॴݕ౼. ηϯαͷணॴΛࣗಈతʹผ͠ɼͦΕʹԠͯ͡Ξϧΰ. ηϯαͷઃஔՕॴΛମͷ಄෦ɼഎ෦ɼࠊ෦ͷ 3 Օॴͱ. ϦζϜΛಈతʹมԽͤ͞Δ͜ͱʹΑΓՃηϯα 1 ݸͷ. ͨ͠ɽҰൠʹਓؒͷମʹ͓͍ͯɼܱࠊ۶͠ۂ. ΈͰ࢟ਪఆΛͨ͠ [5].. ͘͢ɼڳ্෦ઋ۶ݴͱ͍͘ʹ͠ۂΘΕ͍ͯΔ [7]ɽ. ը૾ॲཧΛར༻ͨ͠ํ๏ɼਓ͕ؒҰఆۭؒʹཹ·Δ. ۶͍͘ʹ͠ۂՕॴΛ߶ମͱͯ͠ଊ͑Δͱɼਓؒͷମ߶. ͱ͖༗ޮͰ͋Δɽ͔͠͠ৗੜ׆தͷߦಈΛऔಘ͢Δͷ. ମͷ࿈݁ͱΈͳͤΔɽ಄֖ࠎɼڳɼઋ߶ମͱΈͳͤ. ࠔͰ͋ΔɽެڞͷॴͰར༻͢ΔʹϓϥΠόγʔͷ. ΔͷͰɼͦΕͧΕͷ͖Λଌఆ͠߹ͤΔ͜ͱʹΑͬͯɼ. ൃੜ͢ΔɽՃηϯαΛར༻ͨ͠ํ๏ɼৗੜ. ࢟Λද͖ͰݱΔɼͱԾఆͨ͠ɽ߶ମҰ෦ͷ͖Λಋग़. ׆தͷ࢟ͷऔಘʹ༗ޮͰ͋Δɽ͔͠͠طଘͰڀݚ࢟. ͢Εશମͷ͖Λಋग़Ͱ͖Δɽ͕ͨͬͯ͠಄෦ɼഎ෦ɼ. Λਖ਼ͨ͢Ίʹ֤෦ҐΛͲͷΑ͏ʹमਖ਼͢ΕΑ͍͔·Ͱ. ࠊ෦ͷ 3 ՕॴʹηϯαΛઃஔ͢Δɽ. ར༻ऀʹ௨͍ͯ͠ͳ͍ɽ. 3. ෆྑ࢟. 4.2 ࢟ͷԽ جຊ࢟࣌ͷ֤෦ͷ͖ͱɼର࢟࣌ͷ֤෦ͷ͖Λ. ຊઅͰɼఏҊख๏ͱ࣮ͷઆ໌ʹઌཱͪɼຊߘͰѻ͏. ൺֱ͠ɼ͖ͷࠩΛͱͨ͠ɽηϯαͷ x ࣠ͷਖ਼ํ. ෆྑ࢟ʹ͍ͭͯઆ໌͢Δɽෆྑ࢟ͱɼےʹෛՙ͕. Λମͷਖ਼໘ํɼy ࣠ͷਖ਼ํΛମͷӈ͖ɺz ࣠. ͔͔͍ͬͯΔ࢟Ͱ͋Δɽ࣌ؒෆྑ࢟Ͱ͍ΔͱڽݞΓ. ͷਖ਼ํΛԖ্͖ʹͦΕͧΕऔΔ. ηϯα͕֯ θ ͩ. ࠊ௧ͳͲʹൃల͢Δɽෆྑ࢟ʹ͍ͭͯɺʮࠎ֨. ͚ y ࣠Λத৺ͱͯ͠ӈͶ͡ͷํʹճసͨ͠ɼ͢ͳΘͪ. ͱےͷόϥϯε͕ͣ͘Ε͍ͯΔͷͰɼମͷ֤෦ʹε. ମ͕֯ θ ͚ͩલͨ͠ͱ͢Δ (ਤ 2). θ Ճσʔλ. ⓒ 2013 Information Processing Society of Japan. 2.
(4) 情報処理学会研究報告 IPSJ SIG Technical Report. Vol.2013-HCI-155 No.12 Vol.2013-UBI-40 No.12 2013/11/6. ! !
(5) !. ਤ 4 ਤ 2. ηϯαऔ͚༻۩ثͷண. Fig. 4 Sensors installation overview. ॏྗՃํ͔Β͖ͷಋग़. Fig. 2 lean calculated from gravity (G ॏྗՃ). 6. ධՁ࣮ݧ 6.1 ࣮֓ݧཁ 4 ষͰड़ͨ࢟ධՁํ๏͕ଥͰ͋Δ͔Ͳ͏͔͠ূݕ ͨɽ͕࢟جຊ࢟ʹۙͮ͘ʹͭΕͯɼείΞ͕ 0 ʹۙͮ ͚ଥͰ͋Δͱ͑ݴΔɽ ΣΞϥϒϧՃηϯαՃϨϯδʶ 4Gɼαϯ ਤ 3. ϓϦϯάप 50Hzɼαϯϓϧฏۉճ 1 ճʹͦΕͧΕ. ηϯαऔ͚۩ث. Fig. 3 Equipments to attach sensors. Λ༻͍ͯɼࣜ 1 Ͱද͞ΕΔ. ′ x1 θ = arctan z1′. ઃఆͨ͠ɽඃऀݧஉੑ 5 ໊ (ฏۉྸ 21.2 ʶ 0.8 ࡀɼ 171cm ʶ 4cm) Ͱ͋Γɼ௨ৗੜ࣌׆ͷ࢟ଟগͷલ ࢟Ͱ͋ͬͨɽ. (1). جຊ࢟ͷ֤෦ͷՃΛܭଌͨ͠ޙɼ֤ෆྑ࢟ͷ֤ ෦ͷՃΛܭଌ͠ɼࣜ 2 ʹΑͬͯԽͨ͠ɽجຊ࢟. x′1 ɼz1′ ͦΕͧΕऔಘͨ͠Ճσʔλͷ x ࣠ɼz ࣠ͷ. ͷ֤෦ͷՃɼඃࠊʹऀݧ෦എ໘ɼڳ෦എ໘ɼޙ಄෦. Λද͢ɽ͚جຊͱͳΔ࢟ͱࡏݱͷ࢟ͷ֯ͷ. Λนʹ͘Α͏ʹཱͨͤͯܭଌͨ͠ɽ֎ΕΛআͨ͘Ίऔ. ࠩͱͨ͠ (ࣜ 2)ɽ. ಘͨ͠Ճσʔλͷ͏্ͪҐԼҐ 10%ͷσʔλΛআ֎. 2 score = (θcur − θbase ) ∗ ∗ 100 π. (2). ͠ɼͦͷฏۉΛجຊ࢟ͷՃσʔλͱͨ͠. ෆྑ࢟ 3 ষͰઆ໌ͨ͠ 3 ࢟Λରͱͨ͠ɽඃ֤ʹऀݧෆྑ࢟. θcur ࡏݱͷ࢟ͷ͖Λɼθbase جຊͱͳΔ࢟ͷ. ͔Βঃʑʹجຊ࢟ʹۙͮ͘Α͏ʹࢦࣔ͠ɼ֤෦ͷՃ. ͖ΛͦΕͧΕද͢ɽscore ͷൣғ-100 ͔Β 100 ͱͨ͠ɽ. σʔλΛऔಘͨ͠ɽ. score ͷූ߸͔Β֤෦ͷ͖ํ͕அͰ͖Δɽ͕ਖ਼Ͱ ͋Δ߹લɼෛͰ͋Δ߹ޙΛද͓ͯ͠Γɼ0 ʹ ͍ۙ΄ͲجຊͱͳΔ࢟ʹۙͮ͘ɽ. 5. ࣮ զʑΣΞϥϒϧՃηϯα TSND121 Λ༻͍࣮ͯ ͨ͠ɽར༻खஈΛΣΞϥϒϧՃηϯαͱͨ͠ͷ. 6.2 ࣮݁ݧՌ ɹਤ 5 ֤ෆྑ͔࢟Βجຊ࢟ͷมԽʹର͢Δεί ΞͷάϥϑͰ͋Δ. ԣ࣠࢟Λද͓ͯ͠Γɼࠨʹ͍͘΄ Ͳෆྑ࢟ʹ͖ۙͮɼӈʹ͍͘΄Ͳجຊ࢟ʹۙ͘ͳΔ. ॎ࣠είΞΛද͓ͯ͠Γɼ0 ʹ͍ۙ΄Ͳجຊ࢟ʹ͍ۙ ͱ͍͑Δ.. ɼ࣌ؒͷಈ࡞͕ՄೳͰ͋Γɼৗੜ׆தͰܧଓͯ͠ར. લ͔࢟Βجຊ࢟มԽͨ͠ࡍɼجຊ࢟ʹۙͮ͘. ༻ՄೳͰ͋Δ͔ΒͰ͋Δɽ͕ͨͬͯ͠ਓͷ࢟Λ̍தऔ. ʹै͍ͬͯͣΕͷඃ͍͓ͯʹऀݧ಄෦ɼഎ෦ͷείΞ͕. ಘ͢Δͷʹ࠷దͰ͋Δͱ͑ݴΔɽ. ྑ͘ͳͬͨ. ࠊ෦ͷείΞʹ͓͍ͯඃ ऀݧ1ɼඃ ऀݧ2. ಄෦ɼഎ෦ɼࠊ෦ʹΣΞϥϒϧՃηϯαΛऔ͚ ΔͨΊʹɼऔ͚༻ͷ۩ثΛར༻ͨ͠ (ਤ 3)ɽऔ͚༻ͷ. Ͱྑ͘ͳ͕ͬͨɼඃ ऀݧ3ɼ4 Ͱ͋·ΓมԽ͕ݟΒΕ ͳ͔ͬͨ.. ͯ͠ͱ۩ثɼ಄෦ʹࢠɼഎ෦ʹࠎαϙʔλɼࠊ෦. Γࠊ͔࢟Βجຊ࢟มԽͰɼഎ෦ͷείΞ͕. ʹηϯαϗϧμΛͦΕͧΕར༻ͨ͠ɽηϯαऔ͚༻ث. Α͘ͳΔ͕ݟΒΕͨ. ࠊ෦ͷείΞʹ͍ͭͯ͋·Γ. ۩ʹ৳ॖੑΛ࣋ͨͤɼணͨ͠ਓͷମͷಈ͖Λ͛Δ. มԽ͕ݟΒΕͳ͔ͬͨ. ಄෦ͷείΞʹ͍ͭͯඃʹऀݧ. ͜ͱ͕ͳ͍Α͏ʹͨ͠ (ਤ 4)ɽ. ΑͬͯҟͳΔ݁Ռͱͳͬͨ. टਨΕ͔࢟Βجຊ࢟มԽͨ͠ࡍɼ͍ͣΕͷඃऀݧ. ⓒ 2013 Information Processing Society of Japan. 3.
(6) 情報処理学会研究報告 IPSJ SIG Technical Report. Vol.2013-HCI-155 No.12 Vol.2013-UBI-40 No.12 2013/11/6. . 2. 3. 4. 5. . . ਤ 5.
(7) . . . . ֤ෆྑ͔࢟Βجຊ࢟ͷείΞͷมԽ. Fig. 5 Score overview during posture changes from bad posture to good posture. ʹ͓͍ͯ಄෦ͷείΞ͕ྑ͘ͳΓɼഎ෦ͷείΞ͕ྑ͘ ͳΔ͕ݟΒΕͨ. ࠊ෦ͷείΞʹ͍ͭͯ͋·ΓมԽ ͕ݟΒΕͳ͔ͬͨ.. ද 1. લ͔࢟Βجຊ࢟ͷมԽʹ͓͚Δ࢟ͷྑ͞ͱείΞ ͷ૬ؔ. Table 1 Correlations between posture changes and scores, from bending back posture to good posture ಄෦. എ෦. ඃ ऀݧ1. 0.699. 0.786. 0.793. ඃ ऀݧ2. 0.653. 0.866. -0.746. ඃ ऀݧ3. 0.755. 0.860. 0.747. ඃ ऀݧ4. 0.828. 0.879. -0.041. ඃ ऀݧ5. 0.829. 0.849. 0.790. 6.3 ݁Ռߟ ࢟ͷྑ͞ͱείΞͷؔ࿈ੑΛௐΔͨΊʹ૬ؔੳΛ ͨ͠. ࢟ͷྑ͞Λऔಘ͢Δ͜ͱࠔͰ͋Δ͕ɼඃऀݧ ʹෆྑ͔࢟Βঃʑʹجຊ࢟ʹ͚ۙͮΔΑ͏ࢦ͍ࣔͯ͠ ΔͷͰɼ࢟ͷྑ͞Λ࣌ྻܥσʔλͰ༻ͨ͠ɽείΞʹ. ࠊ෦. ͍ͭͯٻΊͨείΞͷઈରΛར༻ͨ͠ɽ૬ؔʹ εϐΞϚϯͷॱҐ૬ؔΛར༻ͨ͠.. είΞͷ૬ؔਖ਼ͷ૬͕ؔೝΊΒΕͨ. ҰํͰࠊ෦ͷ. ද 1 લ͔࢟Βجຊ࢟ͷมԽʹ͓͚Δ࢟ͷྑ. ࢟ͷྑ͞ͱείΞͷ૬ؔਖ਼ͷ૬͕ؔೝΊΒΕΔ. ͞ͱείΞͷ૬ؔͰ͋Δ. ಄෦ɼഎ෦ͷ࢟ͷྑ͞ͱ. ߹ͱෛͷ૬͕ؔೝΊΒΕΔ߹͕͋ͬͨ. p ɼඃऀݧ. 4 ͷલ࢟ʹ͓͚Δࠊ෦Ͱ 0.241 Ͱ͕͋ͬͨɼͦΕҎ֎ ⓒ 2013 Information Processing Society of Japan. 4.
(8) 情報処理学会研究報告 IPSJ SIG Technical Report ද 2. Vol.2013-HCI-155 No.12 Vol.2013-UBI-40 No.12 2013/11/6. Γࠊ͔࢟Βجຊ࢟ͷมԽʹ͓͚Δ࢟ͷྑ͞ͱεί Ξͷ૬ؔ. ද 5. Γࠊ͔࢟Βجຊ࢟มԽͨ͠ࡍͷείΞͷมԽྔ. Table 5 Amount of score changes from anterior pelvic tilt pos-. Table 2 Correlations between posture changes and scores,. ture to good posture. from anterior pelvic tilt posture to good posture. ද 3. ಄෦. എ෦. ಄෦. എ෦. ࠊ෦. ඃ ऀݧ1. -3.595. 9.048. 4.17. ඃ ऀݧ1. -0.786. 0.796. 0.785. ඃ ऀݧ2. -0.840. -3.429. 7.908. ඃ ऀݧ2. -0.475. -0.576. 0.751. ඃ ऀݧ3. 0.269. -2.740. 3.972. ඃ ऀݧ3. 0.735. -0.772. 0.781. ඃ ऀݧ4. -11.036. -0.906. 1.664. ඃ ऀݧ4. -0.899. -0.329. 0.335. ඃ ऀݧ5. 35.007. 20.486. -1.571. ඃ ऀݧ5. 0.888. 0.831. -0.572. टਨΕ͔࢟Βجຊ࢟ͷมԽʹ͓͚Δ࢟ͷྑ͞ͱεί Ξͷ૬ؔ. Table 3 Correlations between posture changes and scores,. ද 6. टਨΕ͔࢟Βجຊ࢟มԽͨ͠ࡍͷείΞͷมԽྔ. Table 6 Amount of score changes from hanging head posture to good posture ಄෦. എ෦. ࠊ෦. ඃ ऀݧ1. 42.170. 3.033. 2.306. ඃ ऀݧ2. 47.127. 4.664. -4.412. ඃ ऀݧ3. 42.544. 1.216. 1.085. ඃ ऀݧ4. 30.559. 11.218. -0.480. ඃ ऀݧ5. 38.308. 6.966. -2.399. from hanging head posture to good posture ಄෦. എ෦. ࠊ෦. ඃ ऀݧ1. 0.752. 0.448. 0.771. ඃ ऀݧ2. 0.916. 0.851. -0.842. ඃ ऀݧ3. 0.872. 0.765. 0.641. ඃ ऀݧ4. 0.834. 0.865. 0.596. ඃ ऀݧ5. 0.811. 0.824. -0.566. ࠊ෦. ҰํͰද 5 Ͱɼෛͷ૬ؔͱͳ͍ͬͯΔࢼߦͷείΞม ද 4 લ͔࢟Βجຊ࢟มԽͨ͠ࡍͷείΞͷมԽྔ. Խྔଞͷࢼߦͱൺֱͯ͠໌Β͔ʹ͕খ͍͞ͱ͑ݴ. Table 4 Amount of score changes from bending back posture. ͳ͍ɽ͜Εجຊ࢟ͱͨ͠ීஈͷ͕࢟ͦͦΓࠊ. to good posture. Ͱ͋ͬͨՄೳੑ͕ߟ͑ΒΕΔɽྫ͑ඃ ऀݧ1ɼ4 ද 5. ಄෦. എ෦. ࠊ෦. ͷ௨ΓɼΓࠊ࢟ͷঢ়ଶͰجຊ࢟ͷঢ়ଶͰ΄΅ಉ. ඃ ऀݧ1. 21.574. ඃ ऀݧ2. 28.728. 28.363. 10.808. 21.104. ֯͡Λ͍ࣔͯ͠Δɽ·ͨಉ༷ͷඃ ऀݧ2ɼ3 Ͱ. -1.889. ඃ ऀݧ3. 4.217. 11.597. 3.064. ඃ ऀݧ4. 16.627. 20.043. -1.261. Ξ͕΄΅ 0 Λ͓ࣔͯ͠ΓɼΓࠊͷ࢟ΛऔΕ͍ͯͳ͔ͬ. ඃ ऀݧ5. 40.254. 23.181. 2.953. ͨՄೳੑ͋Δɽඃ ऀݧ5 Ͱదʹ͕औΕ͍ͯΔΑ͏. ೝΊΒΕΔ͕ɼ൴Βͷ߹Γࠊͷ࢟Ͱ֤෦ͷεί. ʹ͑ݟΔɽ͔͠͠ͳ͕ΒηϯαͷઃஔՕॴείΞͷࢉग़ Ͱ͍ͣΕ 0.05 ະຬͰ͋ͬͨɽ ද 2 Γࠊ͔࢟Βجຊ࢟ͷมԽʹ͓͚Δ࢟ͷ. ํ๏͕దͰͳ͔ͬͨՄೳੑΔͨΊɼຊ݅ͷݕ౼ࠓ ޙͷ՝ͱ͢Δɽ. ྑ͞ͱείΞͷ૬ؔͰ͋Δ. ֤෦ͷ૬ؔਖ਼ͷ૬. ଞͷࡉ͔ͳߟͱͯ͠ɼҎԼͷͷΛ͓ͯ͘͠ࡌهɽ಄. ͕ؔೝΊΒΕΔ߹ͱෛͷ૬͕ؔೝΊΒΕΔ߹͕͋ͬͨ.. ෦ͷείΞҰج४Λ͔͑ͯΒऩଋ͍ͯ͠Δɽ͜Ε. p ͯ͢ 0.05 ະຬͰ͋ͬͨɽ. ෆྑ࢟Λجຊ࢟ʹ͚͍ۙͮͯ͘ࡍʹɼഎ෦ɼࠊ෦ͱ. ද 3 टਨΕ͔࢟Βجຊ࢟ͷมԽʹ͓͚Δ࢟ͷ. ͷόϥϯεΛऔΔͨΊʹ಄෦ͷҐஔΛௐ͍ͯ͠Δͱߟ͑. ྑ͞ͱείΞͷ૬ؔͰ͋Δ. ಄෦ɼഎ෦ͷ࢟ͷྑ͞. ΒΕΔɽجຊ࢟ʹ͓͍֤ͯ෦ͷείΞ͕ 0 ͱͳ͍ͬͯͳ. ͱείΞͷ૬ؔਖ਼ͷ૬͕ؔೝΊΒΕͨ. ҰํͰࠊ෦. ͍ɽجຊ࢟Λҙࣝ͢ΔΑ͏ࢦ͕ࣔͨ͠ɼඃऀݧͷৗੜ. ͷ࢟ͷྑ͞ͱείΞͷ૬ؔਖ਼ͷ૬͕ؔೝΊΒΕΔ. ࣌׆ͷ͕࢟Өͨ͠ڹͷͱߟ͑ΒΕΔɽ. ߹ͱෛͷ૬͕ؔೝΊΒΕΔ߹͕͋ͬͨ. p ͯ͢. 0.05 ະຬͰ͋ͬͨɽ ͜ΕΒΛείΞͷมԽྔͰ·ͱΊΔͱද 4ɼද 5ɼද 6. 7. ͓ΘΓʹ զʑ͕࢟ѱԽͨ͠ࡍʹྑ࢟Λҙࣝͤ͞ɼࣗͰ࢟. ͱͳΔɽ ෛͷ૬͕ؔೝΊΒΕͨࢼߦΛࣼମͰදͨ͠هɽ. Λमਖ਼Ͱ͖ΔΑ͏ʹ͢ΔͨΊͷαϙʔτγεςϜΛఏҊ. ද 4ɼද 6 ͔Βલ࢟ͱटਨΕ͔࢟Βجຊ࢟ʹมԽ. ͠ɼͦͷ࢟ධՁ෦ʹ͍ͭͯઆ໌ͨ͠. ར༻ऀͷ಄෦ɼ. ͨ͠߹ʹɼෛͷ૬ؔͱͳ͍ͬͯͨࢼߦͷείΞมԽྔ. എ෦ɼࠊ෦ͷ 3 ՕॴͷՃ͔Β֤෦ͷ͖Λಋग़͠ɼ࢟. ͕ଞͷมԽྔͱൺͯൺֱతখ͍͞ɽΑͬͯόϥϯεΛऔ. ͷѱԽ߹͍ΛԽͨ͠. ධՁ࣮ݧΛߦ͍ɼલ࢟ɼ. ΔͳͲͷߦҝʹΑ֤ͬͯ෦ͷ͕֯গྔ͚ͩมԽͨ͠ͷ. टਨΕ࢟ʹ͓͍ͯجຊ࢟ʹۙͮ͘ͱ͖ͷείΞͷৼ. ͩͱߟ͑ΒΕΔɽ͕ͨͬͯ͠ෛͷ૬ؔͱͳ͍ͬͯΔ͕ɼӨ. ͍Λ֬ೝͨ͠ɽલ࢟ͱटਨΕ͔࢟Βͷ࢟มԽʹؔ. ڹগͳ͍ͱߟ͑ΒΕΔɽ. ͯ͠ɼͯ͢ͷࢼߦʹ͓͍ͯجຊ࢟ʹۙͮ͘΄Ͳεί. ⓒ 2013 Information Processing Society of Japan. 5.
(9) 情報処理学会研究報告 IPSJ SIG Technical Report. Vol.2013-HCI-155 No.12 Vol.2013-UBI-40 No.12 2013/11/6. Ξ͕ྑ͘ͳΔ͜ͱΛ֬ೝͨ͠ɽҰํͰΓࠊ͔࢟Βͷม ԽͰ 1 ໊ͷΈͰ໌֬ͳείΞͷվળ͕֬ೝͰ͖͕ͨɼଞ ͷ 4 ໊Ͱ໌֬ʹείΞ͕վળͨ͠ͷ֬ೝͰ͖ͳ͔ͬ ͨɽͦͷݪҼඃ͕ऀݧదͳ࢟ΛऔΕͳ͔ͬͨ͜ͱɼ ηϯαͷઃஔՕॴείΞͷࢉग़ํ๏͕ෆదͰ͋ͬͨ͜ ͱͳͲ͕ߟ͑ΒΕΔɽຊ݅ࠓޙͷ՝ͱ͢Δɽ ·ͨɼධՁ࣮Ͱݧඃऀݧͷৗੜ࣌׆ͷ͕࢟લ࢟ ΑΓͰ͋ͬͨ͜ͱ͔Βɼৗੜ࣌׆ͷ͕࢟ྑ࢟Ͱ͋ Δ߹ͦͷଞͷෆྑ࢟Ͱ͋Δ߹ʹ͍࣮ͭͯ͢ݧΔ ඞཁ͕͋Δɽ ँࣙ ຊڀݚʮͷ͍ͪ͋ڌʯॏڀݚϓϩδΣΫ τͷࢧԉʹΑΔɽ ࢀߟจݙ [1]. [2]. [3]. [4]. [5]. [6] [7]. Nooritawati Md Tahir, Aini Hussain, Salina Abdul Samad, and Hafizah Husain. Pca-based human posture classification. Jurnal Teknologi, 2007. Soumitry J. Ray and Jochen Teizer. Real-time construction worker posture analysis for ergonomics training. Advanced Engineering Informatics, Vol. 26, No. 2, pp. 439– 455, 2012. Chang Andrew Robert (US) and et al. System and method of biomechanical posture detection and feedback, January 2013. ֽݪ༟େ, ਗ਼ਫ༟ج, ࡾ݈จ, ٢Ӭ, ೖߐӳ࢚. εϚʔτ ϑΥϯΛ༻͍ͨาߦಈ࡞վળπʔϧͷ։ൃ. ใॲཧֶձ ڀݚใࠂ. UBI, [ϢϏΩλείϯϐϡʔςΟϯάγεςϜ], Vol. 2011, No. 7, pp. 1–8, nov 2011. ԝ, ܓݪത, ത೭, ੨ࢁ༑ل. ηϯαணॴΛ ߟྀͨ͠ 3 ࣠ՃηϯαΛ༻͍ͨ࢟ਪఆख๏ (σʔλ ղੳɾ)ࡧݕ. ใॲཧֶձڀݚใࠂ. UBI, [ϢϏΩλεί ϯϐϡʔςΟϯάγεςϜ], Vol. 2006, No. 54, pp. 15–22, may 2006. Ұʢฤʣ. ࢟ͱ݈߁ : ͔Βͩͷߏ͑ͱ৺ͷͪํ. ࢟ॴڀݚ, 1996. ڮຊ༗ࢠ, ਫଜ (ٱ೮) ਅ༝ඒ. ڳ͓ΑͼࠊՄಈੑͷՃ ྸมԽ. ମҭֶڀݚ, Vol. 55, No. 2, pp. 333–342, dec 2010.. ⓒ 2013 Information Processing Society of Japan. 6.
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