ビンピッキングのためのRGB-Dカメラを用いた三次元位置姿勢推定,および把持可能性を考慮したスコアリング手法
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(2) Vol.2014-CG-157 No.2 Vol.2014-CVIM-194 No.2 2014/11/20. ใॲཧֶձڀݚใࠂ IPSJ SIG Technical Report. xi = Ai s2 + Bi t2 + Ci st + Di s + Ei t + Fi. 2. Right Hand 1. RGB-D camera. (2). ͜͜Ͱɼxi (i : {0, 1, 2}) γʔϯ֤ͷࡾ࣍࠲ݩඪɼs, t ೋ࣍ݩը૾্ͷ col, row ࠲ඪΛද͢ɽ. 3. Left Hand. ͜ͷॲཧɼಛྔͷͱࢉܭಉ࣌ʹγʔϯதͷϊΠζ ܽଛΛ͢ݮΔޮՌ࣋ͭɽͨͩ͠ΟϯυॲཧʹΑΓ ମͷڥքۙͷܗঢ়͕େ͖͘มԽͯ͠͠·͏͜ͱΛආ͚ ΔͨΊɼۂ໘͋ͯΊɼ͋Β͔͡Ίೋ࣍ݩը૾্Ͱڑ ΤοδΛ༻͍ͯྖҬׂॲཧΛߦ͍ɼըૉͱಉҰྖҬ ʹଐ͢ΔΟϯυͷ͚ͩΛͬͯߦ͏͜ͱͱͨ͠ɽ ͳ͓ΟϯυαΠζɼϞσϧͷදతͳۂͱܘೖ ྗσόΠεͷಛੑ͔Βܾఆ͢Δ͜ͱͱͨ͠ɽ. 3.2.2 γʔϯͷྖҬׂ Ϟσϧর߹ͷରͱͳΔγʔϯதͷͷΛ੍͢ݶΔͨ a. Target Objects a. Ίʹɼઌड़ͷڑΤοδʹՃ͑ɼओํϕΫτϧΤοδ͓. b Jig b.. Αͼۂ໘ͷྨΛ༻͍ͯγʔϯͷྖҬׂΛߦ͏ɽͨͩ͠ ۂ໘ͷྨɼҰൠతͳΨεۂɼฏۂۉΛ༻͍Δํ ๏Ͱແ͘ɼShape Index[12] ͱݺΕΔํ๏ʹ͖ͮجɼ࠷ େ ۂCmax ɼ࠷খ ۂCmin Λࣜ (3) ʹΑΓ࠲ۃඪม͠ ͯಘΒΕΔ Cr ͓Αͼ Cθ ͔Βɼತ: −3/4π ≤ Cθ < −π/4ɼ Ҍܕ: −π/2 ≤ Cθ ≤ 0ɼԜ: −π/4 < Cθ ≤ π/4ɼฏ໘: c. Assembled object ਤ 1. 0 ≤ Cr ≤ T hF ͱͨ͠ɽ͜͜Ͱ T hF ೖྗσόΠεͷಛ ੑʹ߹ΘͤͨᮢͰ͋Γɼ֓Ͷ 0.002 ≤ T hF ≤ 0.01 ఔ. γεςϜશମਤ. Fig. 1 Systems overview. ͜ͱͰɼϊΠζʹରͯ͠ͳͱڧؤΔϞσϧর߹ΛՄೳͱ͢. ͷΛऔΔɽ ⎧ C ⎪ ⎨Cθ = tan−1 min Cmax ⎪ ⎩ 2 2 Cr = Cmax + Cmin. Δख๏Λ։ൃͨ͠ [11]ɽ. ͜ΕʹΑΓɼγʔϯதͷ 1 ɼ࠷େ 3 ͭͷྖҬʹಉ࣌ʹ. ͳ͍ෆมಛྔͱ͔ͯ͘͠ݹΒΒΕΔɼओํϕΫτϧ ͓Αͼ࠷େۂɼ࠷খۂͷ 14 ࣍ݩͷϕΫτϧΛ༻͍Δ. (3). ॴଐ͢Δ͜ͱʹͳΔɽ. 3.1 ೝࣝϞσϧͷ࡞ STL ʹද͞ΕΔ CAD ϞσϧҰൠతʹͷີ͕Ұ ༷Ͱແ͍ɽຊใͰɼCAD ϞσϧΛҰఆີͷ܈σʔ. 3.3 Ϟσϧর߹ ࡾ࣍࠲ݩඪͱओํϕΫτϧ͕طͷ߹ɼϞσϧ্ͷ. λͱͯ͠ల։͠ɼϞσϧͷෳࡶ͞ʹԠͯ͡ఆΊΔࢠྔ( ܘ. Ұ (Ϟσϧ) ͱγʔϯதͷҰ (γʔϯ) ͷΈ߹Θ. Խϐον) Λ࣋ͭΟϯυʹ͋ΔΛରͱͯ͠ɼओ. ͤʢϖΞʣΛܾఆ͢Δ͜ͱͰɼϞσϧͷҐஔ࢟Λ࠷େ/. ੳΛߦ͏͜ͱͰୈ 1 ओ uɼୈ 2 ओ v ɼ͓Α. ࠷খํۂϕΫτϧͷූ߸ํΛআ͍ͯҰҙʹܾఆͰ͖. ͼ uɼv ͷ֎ੵ w ΛٻΊͯࣜ (1) ͷۂ໘ͷ͋ͯΊΛߦ. ΔɽఏҊख๏Ͱ͜ͷ͜ͱΛར༻͠ɼγʔϯͷྖҬຖʹ࠷. ͍ɼओํϕΫτϧ͓Αͼ࠷େ/࠷খۂͷࢉܭΛߦͬͨɽ. w = Au2 + Bv 2 + Cuv + Du + Ev + F. (1). దͳϖΞ (γʔυϖΞ) Λ RANSAC[13] ʹΑΓٻΊΔ͜ͱ ͰϞσϧর߹Λߦ͏ɽҐஔ࢟ͷධՁɼγʔυϖΞʹΑ Γܾఆ͞ΕͨҐஔ࢟ΛͱΔϞσϧͷશΛγʔϯʹӨ. Οϯυʹଘࡏ͢Δ͕ҰఆΑΓগͳ͍ɼ·ͨ͋. ͠ɼa) ๏ઢํ͕ࢹઢํʹରͯ͠ 90 Ҏɼb) ࡾ࣍ݩ. ͯΊ͕ࠩޡҰఆΑΓେ͖͍߹ʹɼܽଛͱͯ͠র. ࠲ඪ͕ӨઌγʔϯͱҰఆڑҎɼc) ओํϕΫτ. ߹ʹ༻͍ͳ͍Α͏ʹͨ͠ɽ. ϧ͓ΑͼۂͷӨઌγʔϯͱͷίαΠϯ͕ڑҰఆ Ҏ্ɼͷࡾͭͷ݅Λͯ͢ຬͨ͢Λ্͑͛Δ͜ͱͰ. 3.2 γʔϯͷ࡞. ߦͬͨɽͨͩ͠γʔυϖΞΛߏ͢ΔϞσϧγʔϯ. 3.2.1 ಛྔͷࢉܭ. ͱಉ͡ۂ໘ͷܕΛ࣋ͭͷ͔ΒબͿΑ͏ʹͨ͠ɽ·ͨධՁ. γʔϯ֤ͷओํϕΫτϧɼ͓Αͼ࠷େ/࠷খۂɼ. ͕ҰఆҎ্ͷγʔυʹ͍ͭͯɼࡏݱͷγʔϯͷपล. ڑը૾্ͰΟϯυॲཧΛ༻͍ɼࣜ (2) Ͱද͞ΕΔύ. ͰධՁ͕ΑΓߴ͘ͳΔΛ࠶ؼతʹ୳ࡧ͢Δ͜ͱͰۙ. ϥϝτϦοΫೋ࣍ۂ໘Λ͋ͯΊΔ͜ͱͰٻΊͨɽ. ͷͷத͔Β࠷దͳ࢟ΛٻΊΔΑ͏ʹͨ͠ɽ. ⓒ 2014 Information Processing Society of Japan. 2.
(3) Vol.2014-CG-157 No.2 Vol.2014-CVIM-194 No.2 2014/11/20. ใॲཧֶձڀݚใࠂ IPSJ SIG Technical Report Viewpoint. 100. #154 (0,0,0). 50. z (mm). Projection Surface 0. Pixel -50. Observed Voxel. -150 -150. -100. -50. 0. 50. 100. x (mm). Depth. -100 #672 (-64.2,-1.0,-6.1). Filled Voxel. Similarity=90.1%. Cross-section of a 3-D occupancy grid. ਤ 2 ྨࣅ࢟ͷྫ. Fig. 2 Example of similar pose. 3.4 ྨࣅ࢟ͷ୳ࡧ. ਤ 3. 3-D occupancy grid ͷ࡞ํ๏. Fig. 3 Building method for a 3-D occupancy grid. Ξοϓ) ಈ࡞தʹଞͷମ͕ׯব͠ͳ͍͜ͱඞཁͱ͞Ε. ରͷܗঢ়ʹΑͬͯɼਤ 2 ʹྫࣔ͢ΔΑ͏ʹɼҟͳ. ΔɽՃ͑ͯɼϚχϐϡϨʔλ͕࢟ػ͔Β࣋खલͷ. Δ 2 ࢟ؒͷӨը૾͕ࣅ௨ͬͨܗঢ়ͱͳΔ͜ͱ͕͋Γɼ. Ξϓϩʔν։࢝·ͰɼͳΔ͘ແཧͷͳ͍ಈ࡞ͰҠಈՄ. ͜͜·Ͱʹड़ͨख๏ͷΈͰɼ͜ͷΑ͏ͳྨࣅ࢟ʹΑ. ೳͰ͋Δ͜ͱॏཁͱͳΔ [14][15]ɽ. ΔॴہղΛഉআ͢Δ͜ͱ͕͍͠ɽ ͜ΕΛղܾ͢ΔͨΊɼຊͰڀݚɼࣄલʹϞσϧͷγϧ. ຊͰڀݚɼ1) ରͷ࣋ CAD Ϟσϧ͔Β͋Β ͔͡ΊʹࢉܭΑΓٻΊΒΕ͍ͯΔɼ2) ϦϑτΞοϓܦ࿏. Τοτ͔Βྨࣅ࢟σʔλϕʔεΛ࡞͠ɼ֤ྖҬͷҐஔ. ͔࣋ΒࣄલʹҰҙʹܾఆͰ͖Δɼ3) ࢟ػ͔ΒΞϓ. ࢟ͷਪఆ݁Ռʹ͍ͭͯσʔλϕʔε͔ΒείΞ͕ࡏݱΑ. ϩʔν։࢝·ͰͷϚχϐϡϨʔλͷܦ࿏ಈ࡞ܭըʹΑ. Γߴ͘ͳΔ࢟Λ͢ࡧݕΔ͜ͱͱͨ͠ɽ. Γࣗಈతʹ͞ࢉܭΕΔɼͷ 3 ͭΛલఏ݅ͱͯ͠ɼ͓࣋. ྨࣅ࢟σʔλϕʔεɼҙͷೋͭͷϞσϧΛத৺. ΑͼϦϑτΞοϓ͕Մೳͳ͕ଟ͍΄Ͳ࣋ʹదͨ࢟͠. ͱͯ͠ɼͦΕͧΕͷͷओํϑϨʔϜ͕Ұக͢ΔΑ͏Ϟ. Ͱ͋ΔͱΈͳ͠ɼରͷ࣋ͷΞϓϩʔν͓ΑͼϦ. σϧΛճసɼฏߦҠಈͯ͠ೋ࣍ݩฏ໘ʹӨ͠ɼ࢟ͷγ. ϑτΞοϓܦ࿏্ͷোۭؒΛ 3-D occupancy grid[16]. ϧΤοτ͕ 90%Ҏ্ॏෳ͢ΔͷΛɼྨࣅ࢟ΛऔΓಘΔ. ͱݺΕΔख๏ʹΑΓ࡞ͯ͠ɼΞϓϩʔν͓ΑͼϦϑτ. Ϟσϧͱͯ͠ϦετΞοϓ͢Δ͜ͱͰ࡞ͨ͠ɽͨͩ͠ɼ. ΞοϓͷࡍʹϚχϐϡϨʔλ͓Αͼର͕ׯব͠ͳ͍. ҰͭͷϞσϧͷۙͷ૬͢ࣅྨʹޓΔ࢟ʹͳΔ͜. ࣋ͷΛ্͑͛Δ͜ͱͰείΞϦϯάΛߦ͏͜ͱͱ. ͱ͕ଟ͘ɼ·ͨϞσϧর߹࣌ʹۙ୳ࡧΛߦ͏ͨΊɼ2 . ͨ͠ɽ. ؒͷઢ͕ڑᮢҎԼ·ͨ๏ઢํͷੵ͕ᮢҎ্ ͷʹ͍ͭͯྨࣅ࢟୳ࡧΛߦΘͳ͍Α͏ʹ͍ͯ͠Δɽ. 4.1 3-D occupancy grid ͷ࡞. Ґஔ࢟ਪఆޙͷྨࣅ࢟ͰࡧݕɼγʔυϖΞͷϞσ. 3-D occupancy grid ɼࡾ࣍ߏࢠ֨ݩΛͭ࡞ۭؒۀ. ϧΛΩʔͱͯ͠σʔλϕʔεΛ͠ࡧݕɼྨࣅ࢟ΛͱΔ. Λ༻ҙ͠ɼਤ 3 ʹࣔ͢Α͏ʹɼೋ࣍ݩӨը૾ͷըૉ͝ͱ. Λൃͨ͠ݟ߹ʹࡏݱγʔυϖΞͷϞσϧΛൃ͠ݟ. ʹɼ͋Β͔͡Ίઃఆͨ͠࠷ԕ͔Βըૉͷ࣋ͭࡾ࣍ݩҐஔ. ͨϞσϧͱஔ͖ͯ͑Ґஔ࢟ͷධՁΛߦ͍ɼධՁͷ. ·Ͱɼࢹ͔ΒͷڑΛҰఆϐονͰׂͯ͠༗ۭؒΛ. ߴ͍ํͷϞσϧΛ࠾༻͢Δ͜ͱΛ࠶ؼతʹ܁Γฦ͢͜ͱ. ͠ࢉܭɼϘΫηϧΛੵΈ্͍͛ͯ͘͜ͱͰ࡞͢Δɽ. ͰɼେҬత࠷దղΛٻΊΔΑ͏ʹͨ͠ɽ. 4. ࣋Մೳੑʹͮ͘جείΞϦϯά ϚχϐϡϨʔλʹΑΔ෦ͷ࣋Λ҆ఆͯ͠ߦ͏ͨΊʹ. ͜ΕʹΑΓ໘ͷΈͷߏͰ͋Δڑը૾Λີͳߏʹม ͢Δ͜ͱͰɼ୯Ұࢹ͔ΒͳΔ͍ΘΏΔ 2.5 ࣍ߏݩͷ ڑը૾ͰෆՄೳͳɼࢹઢํʹରͯ͠ਫฏʹ͍ۙ໘Λ ࣋ͭମʹରͯ͠ͷׯবνΣοΫ͕ՄೳͱͳΔɽ. ɼରͷҐஔ࢟ͷΈͳΒͣɼରͷܗঢ়ͱ࣋Λ ߦ͏ΤϯυΤϑΣΫλͷܗঢ়ɼ࣋ํ๏ͷΈ߹ΘͤʹΑ. 4.2 ϚχϐϡϨʔλͷׯবνΣοΫ. Γܾఆ͞ΕΔɼ࣋ಈ࡞ޙͷରͷ͕࢟҆ఆ͢Δʮ. ্ड़ͷํ๏Ͱ࡞ͨ͠࡞ۭؒۀதͰΞϓϩʔν͓ΑͼϦ. ࣋ʯʹɼϚχϐϡϨʔλ͕ۙ (Ξϓϩʔν) Մೳͱͳ. ϑτΞοϓಈ࡞࣌ͷϚχϐϡϨʔλͷׯবνΣοΫΛߦ. Δඞཁ͕͋Δɽ·ͨɼ࣋ޙͷରͷ্࣋ͪ͛ (Ϧϑτ. ͏ͨΊʹɼຊͰڀݚΤϯυΤϑΣΫλͷܗঢ়͓ΑͼΞϓ. ⓒ 2014 Information Processing Society of Japan. 3.
(4) Vol.2014-CG-157 No.2 Vol.2014-CVIM-194 No.2 2014/11/20. ใॲཧֶձڀݚใࠂ IPSJ SIG Technical Report. ϩʔνɼϦϑτΞοϓಈ࡞ͷيΛԁͰۙࣅ͢Δ͜ͱͱ ͨ͠ɽ ۙࣅԁϚχϐϡϨʔλͷखઌ࠲ඪ࡞Ͱܥ͞Εɼઌ ड़ͷํ๏Ͱਪఆ͞ΕͨϞσϧͷҐஔ࢟ຖʹɼ֤࣋ʹ ઃఆ͞Εͨ࣋࢟ʹ͋ΘͤͯճసɼฏߦҠಈΛߦ͍ɼΧ ϝϥ࠲ඪ࠲ʹܥඪม ͯ͠3-D occupancy grid ʹஔ ͞ΕΔɽ͜ͷஔ͞ΕͨۙࣅԁʹϘΫηϧ͕ଘࡏ͢Δ ߹ɼϚχϐϡϨʔλʹׯব͢Δମ͕γʔϯதʹଘࡏ͢ Δͱͨ͠ͱͱ͜͢ͳݟɽ ·ͨɼΤϯυΤϑΣΫλ͕࣋ରͱ͢Δ෦Ґ (ί. a) Pipes (found 5 objects). ϯλΫτΤϦΞ) Λۙࣅԁʹઃఆ͠ɼͦͷதʹϘΫη ϧ͕·ؚΕ͍ͯͳ͍߹ʹɼҐஔ࢟ਪఆ͕͍ͯͬޡΔ ͷͱ͠ͳݟɼઃఆͨ͠Ҏ্ͷ࣋Ͱޡਪఆͱఆ ͞ΕͨҐஔ࢟ʹ͍ͭͯ࣋ީิ͔Βআ֎͢ΔΑ͏ʹ ͨ͠ɽ. 4.3 ରͷׯবνΣοΫ ܗঢ়͕ൺֱతҰ༷ͳΤϯυΤϑΣΫλͱҟͳΓɼଟ༷ͳ ܗঢ়Λ࣋ͭର͓ΑͼͦͷيΛԁͰۙࣅ͢Δ͜ͱ ͍͠ɽຊͰڀݚϦϑτΞοϓ࣌ͷׯবνΣοΫʹ͍ͭ. b) Plates (found 2 objects). ͯɼ3-D occupancy grid ͔Βਪఆ͞ΕͨҐஔ࢟Λ࣋ͭର. ਤ 4. Ґஔ࢟ਪఆ݁Ռ. Fig. 4 Pose estimation results. ΛऔΓআ͍ͨ࡞ۭؒۀதͰɼϞσϧΛϦϑτΞοϓಈ ࡞ͷ͋ʹيΘͤͯҰఆ෯ͰҠಈͤ͞ɼϞσϧΛߏ͢Δ ֤ͷҐஔͰͷ࡞ۭؒۀதͷϘΫηϧͷΛ্͑͛Δ͜. ͑ɼߏஙͨ͠σʔλϕʔε͔Βྨࣅ࢟Λ݁ͨ͠ࡧݕՌ. ͱͰߦ͏͜ͱͱͨ͠ɽ. Λࣔ͢ɽ. ͜ͷख๏ԁۙࣅʹൺֱͯ͠ࢉܭίετ͕େ͖͘ͳΔ. ྨࣅ࢟σʔλϕʔεɼࢹઢํৗʹϞσϧͷ๏. ͨΊɼԁۙࣅʹΑΔϚχϐϡϨʔλͷׯবνΣοΫʹ. ઢํͱҰக͍ͯ͠ΔͷͱԾఆ͠ɼϞσϧؒͷ͕ڑ. ΑΓ࣋Մೳͱ͞Εͨ࣋ʹؔͯ͠ͷΈରͷׯব. 30mm Ҏ্͘͠๏ઢํͷ͕֯ 30 Ҏ্ҟͳΔ. νΣοΫΛ࣮ߦ͢Δ͜ͱͰɼؒ࣌ࢉܭΛ͢ݮΔΑ͏ʹ. ಉ࢜Ͱ࡞ͨ͠ɽ͜ͷ݁ՌϞσϧ 1168 ݸͷ͏ͪ 338 . ͨ͠ɽ. ͷΈ߹Θ͕ͤྨࣅ࢟ͱͳͬͨɽ. 5. ࣮݁ݧՌ͓Αͼߟ 5.1 Ґஔ࢟ਪఆ. Ϟσϧ 633 Λ࠾༻ͨ࢟͠ޡ (ਤ 5-a), ਤ 5-c) ͷͷ ) ͷ࢟ਪఆείΞ 179 Ͱ͋ͬͨͷʹର͠ɼಉͷྨ ࣅ࢟݁ࡧݕՌͰ͋ΔϞσϧ 655 Λ࠾༻ͨ͠ਖ਼͍࢟͠. ࠤ౻Βͷख๏ [17] ʹΑΓΈิਖ਼ࡁΈͷ PrimeSense ࣾ. (ਤ 5-b), ਤ 5-c) ͷͷ) ͷείΞ 295 ͱͳͬͨɽྨࣅ. RGB-D Χϝϥ Xtion Λ༻͍ͯࡱ૾ͨ͠ 650mm ઌͷ. ࢟σʔλϕʔεதͰϞσϧ 633 ͱ 655 ͷ࢟ྨࣅ. όϥੵΈঢ়ଶͷύΠϓ͓ΑͼԜತͷ͋Δ൘ঢ়෦ʹର͠. 92.3%ͱධՁ͞Ε͓ͯΓɼ࣮ࡍʹ྆࢟ؒͷ૬ҧࡾ࣍. ͯɼఏҊख๏Λద༻ͨ݁͠ՌΛਤ 4 ʹࣔ͢ɽೝࣝϞσϧ. ݩը૾Λ༻͍ͯࢹೝ͢Δ͜ͱ͕͍͠ɽ͔͠͠ɼਤ 5 ͷ. STL ϑΥʔϚοτͷ CAD Ϟσϧ͔ΒྔࢠԽϐον 5mm. നͰؙғΜͩ෦ʹ͢ΕɼϞσϧ 633 Λ࠾༻͠. Ͱ࡞͠ɼγʔϯ 31x31pixel ͷΟϯυαΠζ (࣮ੇ. ͨਤ 5-a) ΑΓɼϞσϧ 655 Λ࠾༻ͨ͠ਤ 5-b) ͷํ͕ਖ਼. Ͱ 30mm ૬) ͰಛྔͷࢉܭΛߦͬͨɽ͜ͷ݁ՌΑΓ. ͍࢟͠Λ͍ࣔͯ͠Δ͜ͱ͕Θ͔Γɼྨࣅ࢟ʹ͓͍ͯ. ໌Β͔ͳΑ͏ʹɼຊख๏ɼରͷܗঢ়ʹΑΒͣɼϊΠζ. Ϟσϧর߹ʹ͓͚Δ࢟ධՁ͕ਖ਼͘͠ػೳ͍ͯ͠Δ͜ͱ͕. ʹର͠ߴ͍ڧؤੑΛ࣋ͭͱ͖Ͱ͕ͱ͜͏ݴΔɽ͜Εγʔ. Θ͔Δɽ. ϯͷΟϯυॲཧʹΑΔޮՌͷΈͳΒͣɼর߹ॲཧͰҐ. ͜ͷ͜ͱ͔Β໌Β͔ͳΑ͏ʹɼࣄલʹྨࣅ࢟σʔλ. ஔ࢟ͷީิͷબग़ɼධՁʹେྔͷγʔϯΛ༻͍Δ͜ͱ. ϕʔεΛ࡞͠ɼ࢟ਪఆ݁ՌΛྨࣅ࢟ͱൺֱ͢Δख๏. ͰɼϥϯμϜϊΠζΛ౷ܭతʹ͑ࠐΉͨΊͰ͋Δͱߟ͑. ɼॴہղͱͯ͠ग़ྗ͞Εͨ࢟ͨͬޡΛશͷর߹Λߦ. ΒΕΔɽ. ͏͜ͱͳ͠ʹमਖ਼͢ΔͨΊʹ༗ޮͰ͋Δͱ͑ݴΔɽ. ͍࣍Ͱྨࣅ࢟୳ࡧͷ༗ޮੑΛ֬ೝ͢ΔͨΊɼਤ 5 ʹɼ ਤ 4-a) ͷதԝ෦ͷରͷ࢟ਪఆ݁ՌΛਓҝతʹஔ͖. ⓒ 2014 Information Processing Society of Japan. ͨͩ͠ྨࣅ࢟ࡧݕΛ༻͍ͯɼҐஔ࢟ͷਪఆ݁Ռʹ ύΠϓͷ࣠ํʹ࠷େ 10mm ఔɼਨํʹ࠷େ 5mm. 4.
(5) Vol.2014-CG-157 No.2 Vol.2014-CVIM-194 No.2 2014/11/20. ใॲཧֶձڀݚใࠂ IPSJ SIG Technical Report. ਤ 6. a) Wrong pose (Model point633; Score=179). ਤ 4-a) ͷ 3-D occupancy grid ࡞݁Ռ. Fig. 6 3-D occupancy grid for Fig. 4-a) 57mm. 123mm. z Approach. y x. 75mm. 15mm. Contact Area 7mm. a) Manipulator occupancy model. b) Correct pose (Model point655; Score=295) Scene 520 540 560 580 600 620 640 660 680 -120 -100. -80. -80. -60. x axis in hand y axis z axis. 50 z (mm). -100. model grasp point. 100. Point #633 (Wrong). 520 540 560 580 600 620 640 660 680 -120. 0. -60. -40. -40. -20. -50. -20 0 20. -100. -50. 0. 50. 20. Point #655 (Collect). 520 540 560 580 600 620 640 660 680 -120. 0. 100. -100. -50. 50. 100. -100 150. Point #633 (Wrong) Point #655 (Collect). 520 540 560 580 600 620 640 660 680 -120. -100. 0. 100 50 0. y (mm). -50. -100. -80. -100. -80. -60. -150-100. -60. -40. -40. -20. 20. -100. -50. 0. 50. 100. 0 20. -100. -50. 0. 50. 100. c) 3-D view for scene and pose a), b) ਤ 5. -60. -40. -20. 0. 20. 40. 60. 80. 100. x (mm). b) Grasping points and poses. -20 0. -80. ྨࣅ࢟݁ࡧݕՌ. Fig. 5 Result of Pose-similarity search. ਤ 7 ϚχϐϡϨʔλϞσϧͱ࣋ใ. Fig. 7 Manipulator occupancy model and grasping points. ʹ 50mm ͷετϩʔΫͰΞϓϩʔνΛߦ͏͜ͱΛࣔͯ͠ ͍Δɽ·ͨ࣋ʹ౸ୡޙɼٵணͷͨΊʹ 7mm ͷԡ͠ࠐ. ఔͷ͕ࠩޡੜ͡Δ͜ͱ͕͋ͬͨɽ͜Εʹ͍ͭͯɼຊใ. Έಈ࡞Λߦ͏͜ͱ͔Βɼٵணύουʹ૬͢Δ 2 ຊͷܘ. ͰͷఏҊख๏ͷޙஈʹ ICP[18][19] ͳͲͷਫ਼ີͳҐஔ͋Θ. 7.5mmɼ͞ 7mm ͷԁۭؒΛίϯλΫτΤϦΞͱͯ͠. ͤख๏Λಋೖ͢Δ͜ͱͰରॲՄೳͰ͋Δͱߟ͑ΒΕΔɽ. ઃఆ͍ͯ͠Δɽ ਤ 7-b) ͰɼΤϯυΤϑΣΫλͱରͷׯব͓Αͼ. 5.2 ࣋Մೳੑʹͮ͘جείΞϦϯά. ϦϑτΞοϓಈ࡞࣌ͷରͷ࢟ͷ҆ఆੑΛߟྀ͠ɼ. ਤ 6 ʹਤ 4-a) ͷ 3-D occupancy grid Λ 5mm ϐονͰ. ࣋ͱͯ͠ 70 ͷҐஔͱΤϯυΤϑΣΫλͷ͕࢟ࢉܭ. ࡞ͨ݁͠ՌΛɼਤ 7 ʹϚχϐϡϨʔλϞσϧͱ࣋. ͞Ε͍ͯΔ [20]ɽ·ͨϦϑτΞοϓํମ͓Αͼ࣋. ใΛͦΕͧΕࣔ͢ɽ. ͷҐஔ࢟ʹؔͳ͘ɼશͯࢹઢํͱҰக͢Δͷͱ. ਤ 6 Ͱࢹઢํʹରͯ͠΄΅ฏߦͳΔശͷน໘ͳͲ͕ ܗঢ়ʹิؒ͞Ε͍ͯΔ͜ͱ͕Θ͔Δɽ. ͍ͯ͠Δɽ ͜ΕΒͷใΛ༻͍ͯɼਤ 4-a) ͷਪఆ݁Ռʹର͠ɼ࣋. ਤ 7-a) ɼްΈ 80mm ͷΞʔϜͷઌΛͯ͠ͱݪܘ. Մೳੑʹͮ͘جείΞϦϯάΛ͓͜ͳͬͨ݁ՌΛਤ 8 ʹࣔ. 7.5mm ͷٵணύου 2 ຊΛ࣋ͬͨްΈ 50mmɼ ܘ75mm. ͢ɽͳ͓ਤதͷείΞ౸ୡՄೳͱ͞ͳݟΕͨ࣋ͷ. ͷΤϯυΤϑΣΫλΛண͠ɼखઌ࠲ඪ ܥX ࣠ͱํٯ. Λද͢ɽ. ⓒ 2014 Information Processing Society of Japan. 5.
(6) Vol.2014-CG-157 No.2 Vol.2014-CVIM-194 No.2 2014/11/20. ใॲཧֶձڀݚใࠂ IPSJ SIG Technical Report. [4]. 3:: sscore=1 3 core e 1 1: score score=5 5 [5]. [6]. 2: score=2. ਤ 8. [7]. ࣋Մೳੑʹͮ͘جείΞϦϯά݁Ռ. Fig. 8 Matching results using graspability information. [8]. ਤ 4-a) Ͱ 5 ݸͷީิ͕ϦετΞοϓ͞Ε͍ͯΔ͕ɼ ਤ 8 Ͱ 3 ͍ͯͬݮʹݸΔɽ͜Εɼআ͞Εͨީิʹ ͍ͭͯɼΞϓϩʔν࣌ʹശͷଆ໘ଞͷରʹϚχϐϡ. [9]. Ϩʔλ͕ׯব͠ɼશͯͷ࣋ʹ౸ୡͰ͖ͳ͔ͬͨͨΊͰ ͋Δɽ. [10]. ࣮ࡍͷ࣋ಈ࡞Λాۀ HiroNX Λ༻͍ͯߦͬͨͱ ͜ΖɼମͷҐஔ͓࢟Αͼ࣋Մೳͱਪఆ͞Εͨ࣋ ͷҐஔΛಈ࡞ܭըϓϩάϥϜ Choreonoid graspPlugin[21]. [11]. ʹ͢͜ͱͰɼྑͳ݁ՌΛಘΔ͜ͱ͕Ͱ͖ͨɽ Ҏ্ΑΓɼମͷҐஔ࢟ਪఆΛߦ͏ࡍʹ࣋ՄೳੑΛ. [12]. ߟྀ͢Δ͜ͱͰɼಈ࡞ܭըϓϩάϥϜʹೋ࣍ݩը૾ڑ ը૾Λ͢ͳͲෳࡶͳڠௐ੍ޚΛߦΘͳ͘ͱ࣮༻తͳϏ. [13]. ϯϐοΩϯά͕ՄೳʹͳΔͱ͍͏͜ͱ͕͑ݴΔɽ. 6. ͓ΘΓʹ. [14]. ຊใͰɼओํϕΫτϧͱۂΛ༻͍ͨࡾ࣍ݩϞσϧ র߹ख๏ʹՃ͑ɼྨࣅ࢟σʔλϕʔεͷ࡞͢Δ͜ͱͰɼ. [15]. ରͷܗঢ়ʹΑΒͣγʔϯͷϊΠζܽଛʹରͯ͠ڧؤ ͳҐஔ࢟ਪఆ͕ՄೳͱͳΔ͜ͱΛࣔͨ͠ɽ·ͨɼҐஔ࢟ ਪఆͷࡍʹɼ࣋ͷϚχϐϡϨʔλͷ౸ୡՄೳੑΛ ߟྀͨ͠είΞϦϯάΛߦ͏͜ͱͰɼώϡʔϦεςΟοΫ. [16]. ͳॲཧϏδϣϯͱಈ࡞ܭըϓϩάϥϜͷؒͰෳࡶͳڠௐ ੍ޚΛߦ͏͜ͱͳ͠ʹɼ࣮༻తͳϏϯϐοΩϯά͕Մೳͱ. [17]. ͳΔ͜ͱΛࣔͨ͠ɽ ࠓޙɼఆྔతͳਫ਼ධՁ͓Αͼଞͷख๏ͱͷൺֱΛߦ͏ ͜ͱͰɼຊख๏ͷ࣮༻ԽΛਐΊ͍ͯ͘༧ఆͰ͋Δɽ. [18]. ࢀߟจݙ [1]. [2]. [3]. Sumi, Y., Kawai, Y., Yoshimi, T. and Tomita, F.: 3D Object Recognition in Cluttered Environments by Segment-Based Stereo Vision, International Journal of Computer Vision, Vol. 46, pp. 5–23 (2002). ݈ࢁؙҰɼՏҪྑߒɼాจ໌ɿःณྠֲઢΛ༻͍ͨ ମϞσϧʹ ͮ͘ج3 ࣍ݩମҐஔ࢟ਪఆɼిֶؾձ จࢽ DɼVol. 131, pp. 505–514 (2011). Feldmar, J. and Ayache, N.: Rigid, affine and locally affine registration of free-form surfaces, International journal of computer vision, Vol. 18, pp. 99–119 (1996).. ⓒ 2014 Information Processing Society of Japan. [19]. [20]. [21]. Johnson, A. E. and Martial, H.: Using spin images for efficient object recognition in cluttered 3D scenes, PAMI on IEEE, Vol. 21, pp. 433–449 (1999). Rusu, R. B., Blodow, N. and Beetz, M.: Fast point feature histograms (FPFH) for 3D registration, ICRA’09 on. IEEE, pp. 3212–3217 (2009). ळ݄लҰɼڮຊɹֶɿಛత 3-D ϕΫτϧϖΞΛ༻͍ͨ ΒੵΈ෦ͷߴҐஔ࢟ೝࣝɼిֶؾձจࢽ Cɼ Vol. 133, pp. 1853–1854 (2013). C.Dupuis, D., L´eonard, S., Baumann, M. A., Croft, E. A. and Littley, J. J.: Two-Fingered Grasp Planning for Randomized Bin-Picking, Robotics: Science and Systems Workshop-Robot Manipulation: Intelligence in Human Environments (2008). Harada, K., Nagata, K., Tsuji, T., Yamanobe, N., Nakamura, A. and Kawai, Y.: Probabilistic Approach for Object Bin Picking Approximated by Cylinders, 2013 IEEE International Conference on Robotics and Automation (ICRA), pp. 3727–3732 (2013). Ghita, O. and Whelan, P. F.: A bin picking system based on depth from defocus, Machine Vision and Applications, Vol. 13, pp. 234–244 (2003). Sanz, P. J., Requena, A., esta, J. M. I. and Pobil, A. P. D.: Grasping the not-so-obvious: vision-based object handling for industrial applications, Robotics & Automation Magazine, Vol. 12, pp. 44–52 (2005). ɹɼ٢ݟɹོɼݚాݪհɼՏҪྑߒɿϊΠζʹڧؤ ͳࡾ࣍ݩϞσϧর߹ख๏ɼୈ 17 ճը૾ͷೝࣝɾཧղγϯ ϙδϜ (MIRU2014)ɼpp. SS3–24 (2014). Koenderink, J. J. and van Doorn, A. J.: Surface shape and curvature scales, Image and vision computing, Vol. 10, pp. 557–564 (1992). Fischler, M. A. and Bolles, R. C.: Random sample consensus: a paradigm for model fitting with applications to image analysis and automated cartography, Communications of the ACM, Vol. 24, pp. 381–395 (1981). Bohg, J., Morales, A., Asfour, T. and Kragic, D.: DataDriven Grasp Synthesis—A Survey, IEEE Trans. on Robotics and Automation, Vol. 30, pp. 289–301 (2014). Nagata, K., Miyasaka, T., Nenchev, D. N., Yamanobe, N., Maruyama, K., Kawabata, S. and Kawai, Y.: Picking up an Indicated Object in a Complex Environment, Proc. of 2010 IEEE/RSJ Int. Conf. on Intelligent Robots and Systems (IROS’10), pp. 2109–2116 (2010). Elfes, A.: Sonar-Based Real-World Mapping and Navigation, IEEE Journal of Robotics and Automation, Vol. 3, pp. 249–265 (1987). ࠤ౻༤ོɼ݈࢘ాؠɼӬݟ࢘ɼޒܒɿRGB-D Χ ϝϥ͔ΒಘΒΕΔ Depth σʔλͷΈิਖ਼ɼϏδϣϯ ٕज़ͷ࣮ར༻ϫʔΫγϣοϓ (ViEW2013) ߨԋจू (CD-ROM)ɼpp. IS1–F6 (2013). Chen, Y. and Medioni, G.: Object modelling by registration of multiple range images, Proceedings of IEEE International Conference on Robotics and Automation, pp. 2724–2729 (1991). Besl, P. J. and McKay, N. D.: Method for registration of 3-D shapes, IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. 14, No. 2, pp. 239–256 (1992). Harada, K., Kaneko, K. and Kanehiro, F.: Fast grasp planning for hand/arm systems based on convex model, Robotics and Automation, 2008. ICRA 2008. IEEE International Conference on, pp. 1162–1168 (2008). ௰ɹಙੜɼݚాݪհɿgraspPlugin for Choreonoid, ຊ ϩϘοτֶձࢽɼ Vol. 31, No. 03, pp. 232–235 (2013).. 6.
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