CVPR論文紹介: A Point Set Generation Network for 3D Object Reconstruction from a Single Image

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"1PJOU4FU(FOFSBUJPO/FUXPSLGPS %0CKFDU3FDPOTUSVDUJPOGSPNB4JOHMF*NBHF ·ͱΊ: ୯؟Point Cloudਪఆ ໰୊ઃఆ Ұຕը૾͔Βɺ1PJOU$MPVEΛਪఆ͢ Δ ͓΋͠Ζ͍ͱ͜Ζ
෼෍ؒͷڑ཭Λ࠷খԽ͢Δ͜ͱͰ௚઀ ϙΠϯτΫϥ΢υΛग़ྗ͢Δωοτϫʔ ΫΛֶशͰ͖Δ ݁ہૄͳग़ྗͰ͋ͬͯ΋ɼͳΜͱ͔ີ ͳख๏ %FDPOW Λ͏·͘ར༻͢Δߏ ଄ʹམͱ͠ࠐΉͷؙ͕͍ ײ૝ %Ͱ΋%Ͱ΋ɼૄͳσʔλߏ଄ͷֶ श͸ɼ໌Β͔ʹ$//ʹಥͬࠐΊ͹͍ ͍ΑͶܥͷख๏ΑΓ͸·ͩ·ͩߟ͑Δ ͜ͱ͕ͨ͘͞Μ͋ͬͯ໘ന͍ )BPRJBOH'BO )BP4V -FPOJEBT(VJCBT ࿦จ'JHΑΓ

࣮ࡍʹࢼͯ͠Έ·ͨ͠ IUUQTHJUIVCDPNGBOIRNF1PJOU4FU(FOFSBUJPO

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ࣗಈ

ࡉ͔ͳ੍໿ ϚεΫ࡞੒͕ΊΜͲ͍ɻɻɻ ׂͱ͔ͬ͠Γ࣮ݧ৚݅Λἧ͑ͳ͖Ό͍͚ͳ͍Β͍͠ ͱ͸͍͑ɺઌͷ݁Ռ͸ɺͳΜͱͳ͘ద౰ʹऔͬͨ ࣸਅͰͪΌΜͱҰൃͰ΍ͬͨྫͰ͢ɻ Χϝϥ͔Β؍ͯ͜ͷ൒ٿʹϐολϦର৅͕ೖͬͯ Δඞཁ͕͋Δɻ

࣮૷ৄࡉ

୭ʹ޲͚ͯͷൃද ˕%Ϟσϧͷਂ૚ֶशΛ͍ͨ͠ਓ ̋ϥελը૾Ҏ֎ͷը૾ॲཧΛ͍ͨ͠ਓ ˚ఆ൪λεΫͷਫ਼౓Λ͍͋͛ͨਓ

ը૾ੜ੒໰୊ͷ෼ྨ ݸਓͷݟղͰ͢ ࣍ݩ ࣍ݩ ີ ૄ <>IUUQTSFTFBSDIHPPHMFCMPHDPNUFBDIJOHNBDIJOFTUPESBXIUNM <>6/461&37*4&%3&13&4&/5"5*0/-&"3/*/(8*5)%&&1$0/70-65*0/"-(&/&3"5*7&"%7&34"3*"-/&5803,4 <>%FFQFS%FQUI1SFEJDUJPOXJUI'VMMZ$POWPMVUJPOBM3FTJEVBM/FUXPSLT
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࣮૷ʹؔ͢Δͭͷ࿦఺ ϩε͸Ͳ͏͢Δ w ڭࢣ͋ΓֶशΛ͢Δ͕ɺϙΠϯτΫϥ΢υಉ࢜ͷڑ཭͸Ͳ͏΍ͬͯఆٛ ͢Δ ωοτϫʔΫͷܗঢ়͸ w ग़ྗ͕ը૾͡Όͳ͍͜ͷϞσϧͷωοτϫʔΫ͸Ͳ͏΍ͬͯઃܭ͢Δ
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Λ࢖͏͜ͱͰ௚઀࠷খԽͰ͖Δ ωοτϫʔΫͷܗঢ়͸ w ग़ྗ͕ը૾͡Όͳ͍͜ͷϞσϧͷωοτϫʔΫ͸Ͳ͏΍ͬͯઃܭ͢Δ ֶशσʔλ͸ w ը૾ͱϙΠϯτΫϥ΢υͷϖΞϫΠζσʔλ͸Ͳ͏΍ͬͯूΊΔ ໘ന͍ٞ୊͸ҎԼͷ఺

ωοτϫʔΫߏ଄͸ ࠷ߴਫ਼౓ͷϞσϧ·Ͱஈ֊ͷෳࡶ͕͋͞ΔɽͦΕͧΕ͕εʔύʔηοτʹͳͬͯΔ

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Λ࢖͏͜ͱͰ௚઀࠷খԽͰ͖Δ ωοτϫʔΫͷܗঢ়͸ w ग़ྗ͕ը૾͡Όͳ͍͜ͷϞσϧͷωοτϫʔΫ͸Ͳ͏΍ͬͯઃܭ͢Δ w ݁ہ%FDPOWʹམͱ͢͜ͱ͕Ͱ͖Δɽ'$΋ϒϥϯνͱͯ݁͠߹͢Δ ֶशσʔλ͸ w ը૾ͱϙΠϯτΫϥ΢υͷϖΞϫΠζσʔλ͸Ͳ͏΍ͬͯूΊΔ ໘ന͍ٞ୊͸ҎԼͷ఺

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Λ࢖͏͜ͱͰ௚઀࠷খԽͰ͖Δ ωοτϫʔΫͷܗঢ়͸ w ग़ྗ͕ը૾͡Όͳ͍͜ͷϞσϧͷωοτϫʔΫ͸Ͳ͏΍ͬͯઃܭ͢Δ w ݁ہ%FDPOWʹམͱ͢͜ͱ͕Ͱ͖Δɽ'$΋ϒϥϯνͱͯ݁͠߹͢Δ ֶशσʔλ͸ w ը૾ͱϙΠϯτΫϥ΢υͷϖΞϫΠζσʔλ͸Ͳ͏΍ͬͯूΊΔ w %Ϟσϧ͔Β%ը૾Λੜ੒͢Δ͜ͱͰͨ͘͞Μ࡞ΕΔ ໘ന͍ٞ୊͸ҎԼͷ఺

ઌߦݚڀͱͷൺֱ࣮ݧ ͜ͷ໰୊ࣗମͷઌߦݚڀ͸ͳ͍ ͷͰɺߋʹผͷυϝΠϯʹ໭ͯ͠ൺ ֱ͢Δ w ϙΠϯτΫϥ΢υ͔ΒϘΫηϧ ʹม׵্ͨ͠ͰɺϘΫηϧੜ੒ ख๏ͱಆ͏ʂ w
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ͱ͜ΖͰ

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͓ΘΓ

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ར༻͢Δߏ଄ʹམͱ͠ࠐΉͷؙ͕͍ %Ͱ΋%Ͱ΋ɼૄͳσʔλߏ଄ͷֶश͸ɼ໌Β͔ʹ$//ʹ ಥͬࠐΊ͹͍͍ΑͶܥͷख๏ΑΓ͸·ͩ·ͩߟ͑Δ͜ͱ͕ͨ͘ ͞Μ͋ͬͯ໘ന͍

CVPR論文紹介: A Point Set Generation Network for 3D Object Reconstruction from a Single Image

CVPR論文紹介: A Point Set Generation Network for 3D Object Reconstruction from a Single Image

Keisuke OGAKI

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%఺܈ͷऔѻ͍ "1PJOU4FU(FOFSBUJPO/FUXPSLGPS %0CKFDU3FDPOTUSVDUJPOGSPNB4JOHMF*NBHF େ֞ܚհ

"1PJOU4FU(FOFSBUJPO/FUXPSLGPS %0CKFDU3FDPOTUSVDUJPOGSPNB4JOHMF*NBHF ·ͱΊ: ୯؟Point Cloudਪఆ ໰୊ઃఆ Ұຕը૾͔Βɺ1PJOU$MPVEΛਪఆ͢ Δ ͓΋͠Ζ͍ͱ͜Ζ

࣮ࡍʹࢼͯ͠Έ·ͨ͠ IUUQTHJUIVCDPNGBOIRNF1PJOU4FU(FOFSBUJPO

Ͳ͏͍͏ΞϓϦέʔγϣϯ ͍͍ײ͡ͷࣸਅΛࡱΔ ର৅෺ΛϚεΫ͢Δ ͍͍ײ͡ʹΫϩοϓ͢Δ 1PJOU$MPVE͕ग़ͯདྷΔ ͜͜·Ͱ໿෼ ؤுΔ ؤுΔ πʔϧ͕ఏڙ͞ΕͯΔ

ࡉ͔ͳ੍໿ ϚεΫ࡞੒͕ΊΜͲ͍ɻɻɻ ׂͱ͔ͬ͠Γ࣮ݧ৚݅Λἧ͑ͳ͖Ό͍͚ͳ͍Β͍͠ ͱ͸͍͑ɺઌͷ݁Ռ͸ɺͳΜͱͳ͘ద౰ʹऔͬͨ ࣸਅͰͪΌΜͱҰൃͰ΍ͬͨྫͰ͢ɻ Χϝϥ͔Β؍ͯ͜ͷ൒ٿʹϐολϦର৅͕ೖͬͯ Δඞཁ͕͋Δɻ

࣮૷ৄࡉ

୭ʹ޲͚ͯͷൃද ˕%Ϟσϧͷਂ૚ֶशΛ͍ͨ͠ਓ ̋ϥελը૾Ҏ֎ͷը૾ॲཧΛ͍ͨ͠ਓ ˚ఆ൪λεΫͷਫ਼౓Λ͍͋͛ͨਓ

ը૾ੜ੒໰୊ͷ෼ྨ ݸਓͷݟղͰ͢ ࣍ݩ ࣍ݩ ີ ૄ <>IUUQTSFTFBSDIHPPHMFCMPHDPNUFBDIJOHNBDIJOFTUPESBXIUNM <>6/461&374&%3&13&4&/5"50/-&"3//(85)%&&1$0/70-650/"-(&/&3"57&"%7&34"3*"-/&5803,4 <>%FFQFS%FQUI1SFEJDUJPOXJUI'VMMZ$POWPMVUJPOBM3FTJEVBM/FUXPSLT

ը૾ੜ੒໰୊ͷ෼ྨ ݸਓͷݟղͰ͢ ࣍ݩ ࣍ݩ ີ ૄ <>IUUQTSFTFBSDIHPPHMFCMPHDPNUFBDIJOHNBDIJOFTUPESBXIUNM <>6/461&374&%3&13&4&/5"50/-&"3//(85)%&&1$0/70-650/"-(&/&3"57&"%7&34"3*"-/&5803,4 <>%FFQFS%FQUI1SFEJDUJPOXJUI'VMMZ$POWPMVUJPOBM3FTJEVBM/FUXPSLT

࣮૷ʹؔ͢Δͭͷ࿦఺ ϩε͸Ͳ͏͢Δ w ڭࢣ͋ΓֶशΛ͢Δ͕ɺϙΠϯτΫϥ΢υಉ࢜ͷڑ཭͸Ͳ͏΍ͬͯఆٛ ͢Δ ωοτϫʔΫͷܗঢ়͸ w ग़ྗ͕ը૾͡Όͳ͍͜ͷϞσϧͷωοτϫʔΫ͸Ͳ͏΍ͬͯઃܭ͢Δ

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