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イニレカちゃん
July 05, 2018
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HS-Nets
イニレカちゃん
July 05, 2018
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Transcript
HS-Nets: Estimating Human Body Shape From Silhouettes With Convolutional Neural
Networks Computer Graphics Laboratory Jun 29, 2017 1 White, Inc. End98
What’s The Point? ▸ CNN: AlexNet ▸ Optimiser : Ada
delta What’s The Next? ▸ SCAPE ▸ Detailed Human Shape and Pose from Images Discussion ▸ എܠΛؾʹ͢Δඞཁ͋Δ ▸ ༸Λண͍ͯͨΒҙຯ͕ͳ͍ Where Is Excellent? ▸ ਫ਼͕ྑ͍ɺॲཧ͕ߴ Verify The Effects ▸ ֤ΞϧΰϦζϜΛൺֱ ▸ ϊΠζΛ༩͑ͨ߹ͷ෦Ґͷޡࠩ How Is It? ▸ γϧΤοτೋը૾͔Βਓؒͷ ମܕΛଌྔ͠ɺ3Dը૾Λग़ྗ
ͲΜͳͷʁ How Is Itʁ ▸ γϧΤοτ(Binary Image)͔ΒCNNΛ༻͍ͯɺਓؒͷମܕΛଌྔ͢Δɻ 3DϞσϧը૾ɺਖ਼نԽ͞Εͯͳ͍ը૾ͷೖྗड͚ೖΕΔɻ 3
ઌߦݚڀͱൺͯͲ͕͍͜͢͝ʁ Where Is Excellent? ▸ ֤ମͷ෦Ґͷޡ͕ࠩখ͍͞ɺೋը૾ͷͨΊॲཧ͕ߴɻ 4
ٕज़ख๏ͷΩϞͲ͜ʁ What’s The Point? ▸ 2Dը૾ೖྗ&ֶश͔Β3DΛग़ྗ ▸ CNN: AlexNet ▸
Activation: ReLu ▸ Optimiser : Ada delta ▸ Distance: Euclidean distance ▸ Datasets: CAESAR ▸ http://humanshape.mpi-inf.mpg.de 5
Ͳ͏ͬͯ༗ޮͩͱݕূͨ͠ʁ Verify The Effects ▸ ෳຕͷೋը૾Λೖྗͨ͠Γɺԣͷೋը૾ͷࣸਅͳͲ͖Λม ͑ͨΓͨࣗ͠ͷΞϧΰϦζϜΛൺֱݕূ ▸ ϊΠζΛ༩͑ͨ߹ͷ෦ҐଌఆͷޡࠩΛௐͨ 6
ٞ͋Δʁ Discussion ▸ ෦Ґ͝ͱΛֶशʹ͔͚ͣʹ͜ͷఔͷޡࠩʹͳΔͷ͍͢͝ (ӕͬΆ͍ؾ͢Δ) ▸ ೋը૾ͷҝɺϢʔβ͕എܠΛؾʹ͢Δඞཁ͕͋Δ ▸ Ϣʔβ͕༸Λண͍ͯͨΒҙຯ͕ͳ͍ ▸
ඃࣸମͷࡱӨڑΛ͋·Γߟ͑ͯͳ͍ؾ͕͢Δ 7
࣍ʹಡΉ͖จʁ What’s The Next? ▸ SCAPE: shape Completion and Animation
of People ▸ Detailed Human Shape and Pose from Images 8