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夏のトップカンファレンス論文読み会 / InnovationMeetup20170918csn...

Masaki Kozuki
September 14, 2017
1.4k

夏のトップカンファレンス論文読み会 / InnovationMeetup20170918csn_cvpr2k17

夏のトップカンファレンス論文読み会(2017/09/18)での発表資料です。

- connpass: https://abeja-innovation-meetup.connpass.com/event/63466/
- 著者実装: https://github.com/andreasveit/conditional-similarity-networks
- 散布図: https://github.com/crcrpar/conditional_similarity_networks_pytorch

Masaki Kozuki

September 14, 2017
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  1. © 2017 VASILY,Inc. ໨࣍ ▸ ໨తʹ߹Θͤͯɺಛ௃ྔϕΫτϧͷۭؒΛ෼ׂ͢Δ ▸ ओு ▸ ैདྷͷྨࣅ౓ܭࢉʹ͍ͭͯ

    ▸ $POEJUJPOBM4JNJMBSJUZ/FUXPSLT ▸ ࣮ݧ݁Ռ ▸ ௥ࢼ ▸ ײ૝ ▸ 3FGFSFODFT 
  2. © 2017 VASILY,Inc. ࿦จͷओு ▸ ʢඇʣྨࣅ౓ͱͯ͠ಛ௃ྔϕΫτϧಉ࢜ͷڑ཭͕࢖͑Δ͕ɺ
 ୯Ұͷج४ʹΑΔྨࣅ౓͔͠ܭࢉͰ͖ͳ͍ ▸ ྨࣅ౓ͷج४͸ෳ਺͋Δͷ͕Ұൠత ▸

    ʮҰຕͷը૾ʹෳ਺ͷଐੑ BUUS ʯͰ͋Δ͜ͱ͕ଟ͍ ▸ FH ۺͷଐੑɿछྨɺඥͷ༗ແɺώʔϧͷߴ͞ɺʜ ▸ ಛ௃ྔϕΫτϧʹϚεΫΛద༻͠ɺ
 ಛ௃ྔϕΫτϧͷۭؒΛ෼ׂ͢Δ͜ͱͰෳ਺ͷྨࣅ౓ܭࢉΛՄೳʹ͢Δ 
  3. © 2017 VASILY,Inc. Conditional Similarity Networks (2/3) - mask 

    ݻఆϚεΫ $4/pYFEEJTKPJOUNBTLT  " ಛ௃ྔϕΫτϧΛ౳෼͢Δ # ڞ༗͞ΕΔಛ௃ྔ͸ͳ͍  ֶशϚεΫ $4/MFBSOFENBTLT  " ֓೦ຖʹ༻͍Δಛ௃ྔͱରԠ͢ΔॏΈΛֶश͢Δ # ڞ༗͞ΕΔಛ௃ྔ͕͋Δ $ ॏΈ͸ਖ਼ن෼෍ͰॳظԽ  ᶃ ᶄ
  4. © 2017 VASILY,Inc. ▸ ϚεΫ͸ຒΊࠐΈߦྻͰ࣮૷Ͱ͖Δɻ ▸ ߦྻ͸ʢ৚݅਺ʣʷʢಛ௃ྔϕΫτϧͷ࣍ݩʣ Conditional Similarity Networks

    (3/3)  Similirarity Network (ResNet-18) ・・・ mask input feature condition specific feature condition specify
  5. © 2017 VASILY,Inc. ఆࣜԽ ▸ $POEJUJPOBM5SJQMFU-PTT ▸ ਖ਼ଇԽ߲ ▸ ಛ௃ྔநग़ʹରͯ͠

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  6. © 2017 VASILY,Inc. ࣮ݧ   U4/&ʹΑΔಛ௃ྔϕΫτϧͷՄࢹԽ  ֶशͨ͠ϚεΫͷಛ௃ 

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  7. © 2017 VASILY,Inc. σʔληοτ ▸ 65;BQQPT, ▸ ۺͷը૾ ຕ ▸

    ࣍ͷͭͷج४ͰτϦϓϨοτΛ࡞੒  छྨɿϒʔπɺαϯμϧɺFUD  ੑผɿஉੑɺঁੑɺঁͷࢠɺஉͷࢠ  ώʔϧͷߴ͞ɿʙΠϯν  ด͡ํɿͻ΋ɺόοΫϧɺεϦοϙϯɺFUD ▸ ϒϥϯυ৘ใʢ෼ྨλεΫʹ࣮ݧʣ  image from http://vision.cs.utexas.edu/projects/finegrained/utzap50k/
  8. © 2017 VASILY,Inc. Triplet LossΛ༻ֶ͍ͨश͕ಛ௃ྔʹ༩͑ΔӨڹ ▸ సҠֶशͰͷਫ਼౓Ͱൺֱ ▸ ॏΈݻఆͷ$// 3FT/FU

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  9. © 2017 VASILY,Inc. ௥ࢼ ▸ ஶऀ࣮૷͕ެ։͞Ε͍ͯΔͷͰखݩͰಈ͔͠·ͨ͠ɻ ▸ ࿦จͱͷҧ͍ ▸ όοναΠζɿˠʢϝϞϦ͕଍Γͳ͔ͬͨͨΊʣ

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  10. © 2017 VASILY,Inc. ৚݅͝ͱͷಛ௃ྔ ▸ ҎԼͷσʔλͷࢄ෍ਤΛ࡞੒͠·ͨ͠ɻ ▸ ֶशσʔλʹؚ·Ε͍ͯͳ͍σʔλ ▸ WBMJEBUJPOEBUBTFU

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  11. © 2017 VASILY,Inc. ײ૝ ▸ Α͋͘Γͦ͏͕ͩෳࡶͳ՝୊ΛɺγϯϓϧͳΞϓϩʔνͰղܾ͍ͯ͠Δɻ ▸ ࣮૷ͱͯ͠͸&NCFENBUSJYͱཁૉੵΛ௥Ճ͚ͨͩ͠ɻ ▸ ࣮ݧ͕ஸೡɻ

    ▸ ײ֮తʹ͸Θ͔͍͕ͬͯͨɺτϦϓϨοτϩεʹΑͬͯ$//͕நग़͢Δಛ௃ྔ͕
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  12. © 2017 VASILY,Inc. References  4JBNFTF/FUXPSLT B 4JBNFTF/FVSBM/FUXPSLTGPS0OFTIPU*NBHF3FDPHOJUJPOIUUQTXXXDTVUSPOUPDBdHLPDIpMFTNTDUIFTJTQEG C %JTDSJNJOBUJWF-FBSOJOHPG%FFQ$POWPMVUJPOBM'FBUVSF1PJOU%FTDSJQUPSTIUUQIJDTXBTFEBBDKQdFTJNPQVCMJDBUJPOT

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