医療ディープラーニング勉強会 AI最新技術Update会 9月

D682109b86d15aa5805fe2d87a7a5139?s=47 kamicup
September 02, 2020

医療ディープラーニング勉強会 AI最新技術Update会 9月

こちらの勉強会の資料です。
https://deeplearning-b.connpass.com/event/185233/

D682109b86d15aa5805fe2d87a7a5139?s=128

kamicup

September 02, 2020
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  1. ҩྍσΟʔϓϥʔχϯάษڧձ "*࠷৽ٕज़6QEBUFձ݄ʲΦϯϥΠϯʳ 4QFBLFSגࣜձࣾ:&#*49:;ɹڮຊ঵Ұ

  2. ࣗݾ঺հ ڮຊ঵Ұʢ͸͠΋ͱΑ͔ͣ͠ʣ גࣜձࣾ:&#*49:;୅දऔక໾ ओͳ࢓ࣄɿىۀՈͱ͔ݚڀऀͷ͓ख఻͍ ελϯεɿ ❌%FFQ-FBSOJOHͷݚڀऀ ⭕%FFQ-FBSOJOHͷݚڀ੒ՌΛ࢖Θͤͯ΋Β͏ਓ 5XJUUFS!LBNJDVQ

  3. w "SYJW4BOJUZ BSYJWTBOJUZDPN Ͱաڈ̍ϲ݄ͷظؒʹਓ ؾͩͬͨ࿦จΛ঺հʢ೥݄೔࣌఺ͷूܭʣ w 5PQSFDFOUʢ͓ؾʹೖΓ਺ʣ্Ґຊͷ"CTUSBDU w 5PQIZQFʢ5XJUUFSͰͷݴٴ਺ʣ্Ґຊͷ"CTUSBDU w

    ؾʹͳͬͨ࿦จͭΛݸਓతझຯͰϐοΫΞοϓ "HFOEB
  4. None
  5. ᶃ "CTUSBDUͷςΩετΛऩू ˣ ᶄ %FFQ-ʹ຋༁ͯ͠΋Β͏ ˣ ᶅ ඞཁʹԠͯ͡ݪจΛಡΉ

  6. ʰUPQSFDFOUʱ ҐʙҐ

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  8. ᶄରͷͳ͍ը૾ؒม׵ͷͨΊͷίϯτϥετֶश ݪจ$POUSBTUJWF-FBSOJOHGPS6OQBJSFE*NBHFUP*NBHF5SBOTMBUJPO  IUUQBSYJWPSHBCTW ը૾͔Βը૾΁ͷ຋༁Ͱ͸ɺग़ྗ͞ΕΔ֤ύον͸ɺྖҬʹؔ܎ͳ͘ɺೖྗ͞ΕΔύονͷ಺༰Λ൓ө͠ͳ͚Ε͹ ͳΒͳ͍ɻզʑ͸ɺίϯτϥετֶशʹج͍ͮͨϑϨʔϜϫʔΫΛ༻͍ͯɺͭͷύονؒͷ૬ޓ৘ใΛ࠷େԽ͢Δ ͱ͍͏ɺ͜ΕΛ࣮ݱ͢ΔͨΊͷ؆୯ͳํ๏ΛఏҊ͢Δɻ͜ͷख๏Ͱ͸ɺσʔληοτ಺ͷଞͷཁૉʢଞͷύονʣ ͱ૬ରతʹɺֶश͞Εͨಛ௃ۭؒ಺ͷྨࣅ఺ʹϚοϐϯά͢ΔΑ͏ʹͭͷཁૉʢରԠ͢ΔύονʣΛ঑ྭ͠ɺ͜ ΕΛωΨςΟϒͱݺͿɻզʑ͸ɺը૾߹੒ͷઃఆͰίϯτϥετֶशΛޮՌతʹߦ͏ͨΊʹɺ͍͔ͭ͘ͷॏཁͳઃ ܭ্ͷબ୒Λ୳Γ·͢ɻಛච͢΂͖͸ɺզʑ͸ը૾શମΛૢ࡞͢ΔͷͰ͸ͳ͘ɺଟ૚ͷύονϕʔεͷΞϓϩʔν

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  9. ᶅগͳ͍αϯϓϧ͔ΒֶͿௐࠪ ݪจ-FBSOJOHGSPN'FX4BNQMFT"4VSWFZ  IUUQBSYJWPSHBCTW σΟʔϓχϡʔϥϧωοτϫʔΫ͸ɺը૾ೝࣝ΍ը૾෼ྨͷΑ͏ʹɺ͍͔ͭ͘ͷέʔεͰਓؒΑΓ΋༏ΕͨੑೳΛൃش͠ ͖ͯ·ͨ͠ɻ͔͠͠ɺ༷ʑͳ৽͍͠ΧςΰϦͷग़ݱʹ൐͍ɺݶΒΕͨαϯϓϧ͔ΒσΟʔϓχϡʔϥϧωοτϫʔΫͷֶ शೳྗΛܧଓతʹ֦ு͢Δೳྗ͸ґવͱͯ͠՝୊ͱͳ͍ͬͯΔɻ͜Ε·ͰͷݚڀͰ͸ɺϝλֶश΍਺ൃֶशͷΑ͏ʹɺࣄ લ஌ࣝʹج͍ͮͯ৽͍͠ΧςΰϦ΍λεΫΛֶशͨ͠ΓɺҰൠԽͨ͠Γ͢Δख๏͕༗๬ͳ݁ՌΛ͖͕ࣔͯͨ͠ɺຊݚڀͰ ͸ɺ͜ͷΑ͏ͳख๏Λ༻͍ͯɺ৽͍͠ΧςΰϦ΍λεΫΛܧଓతʹֶशͨ͠ΓɺҰൠԽͨ͠Γ͢Δ͜ͱ͕Ͱ͖Δ͔Ͳ͏͔ Λݕ౼͢Δɻຊ࿦จͰ͸ɺίϯϐϡʔλϏδϣϯྖҬʹ͓͚Δطଘͷগ਺ൃͷϝλֶशख๏ʹ͍ͭͯɺͦͷख๏ͱධՁج

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  32. ᶋ&BHFS1Z1Z5PSDI 5FOTPS'MPX +"9 /VN1ZͰωΠςΟϒʹಈ࡞͢ΔίʔυΛॻ͘ ݪจ&BHFS1Z8SJUJOH$PEF5IBU8PSLT/BUJWFMZXJUI1Z5PSDI 5FOTPS'MPX +"9 BOE/VN1Z  IUUQBSYJWPSHBCTW

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  33. ᶌ4IBSJO("/ڭࢣͳ͠ܗঢ়ਪఆͷͨΊͷ߹੒σʔλͱ࣮σʔλͷ૊Έ߹Θͤ ݪจ4IBSJO("/$PNCJOJOH4ZOUIFUJDBOE3FBM%BUBGPS6OTVQFSWJTFE(FPNFUSZ&TUJNBUJPO  IUUQBSYJWPSHBCTW ຕͷը૾͔ΒزԿֶత৘ใΛܾఆ͢ΔͨΊʹωοτϫʔΫΛ܇࿅͢Δࡍʹɺ߹੒ը૾ͱ࣮ը૾Λ݁߹͢Δ৽͍͠ ํ๏ΛఏҊ͢Δɻ྆ํͷը૾λΠϓΛ୯Ұͷڞ༗υϝΠϯʹϚοϐϯά͢Δํ๏ΛఏҊ͢Δɻ͜Ε͸ɺΤϯυπʔ ΤϯυͷֶशͷͨΊʹҰ࣍ωοτϫʔΫʹ઀ଓ͞ΕΔɻཧ૝తʹ͸ɺ͜ΕʹΑΓɺҰ࣍ωοτϫʔΫʹڞ༗৘ใΛ ఏࣔ͢ΔͭͷυϝΠϯ͔Βͷը૾͕ಘΒΕΔɻզʑͷ࣮ݧͰ͸ɺਓͷإͷද໘๏ઢਪఆͱ԰֎γʔϯͷ୯؟ਂ౓ ਪఆͷͭͷॏཁͳྖҬʹ͓͍ͯɺڭࢣͳ͠ͷઃఆͰ࠷ઌ୺ͷख๏ΑΓ΋େ෯ʹվળ͞Ε͍ͯΔ͜ͱ͕ࣔ͞Εͨɻ ݪจ8FQSPQPTFBOPWFMNFUIPEGPSDPNCJOJOHTZOUIFUJDBOESFBMJNBHFTXIFOUSBJOJOHOFUXPSLTUPEFUFSNJOFHFPNFUSJDJOGPSNBUJPOGSPNBTJOHMFJNBHF8FTVHHFTUBNFUIPEGPSNBQQJOHCPUIJNBHFUZQFTJOUPB

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  53. Visual Chirality Zhiqiu Lin1 Jin Sun1,2 Abe Davis1,2 Noah Snavely1,2

    Cornell University1 Cornell Tech2 Abstract How can we tell whether an image has been mirrored? While we understand the geometry of mirror reflections very well, less has been said about how it affects distributions of imagery at scale, despite widespread use for data augmenta- tion in computer vision. In this paper, we investigate how the statistics of visual data are changed by reflection. We refer to these changes as “visual chirality,” after the concept of geo- metric chirality—the notion of objects that are distinct from their mirror image. Our analysis of visual chirality reveals surprising results, including low-level chiral signals pervad- ing imagery stemming from image processing in cameras, to the ability to discover visual chirality in images of people and faces. Our work has implications for data augmentation, self-supervised learning, and image forensics. 1. Introduction “...there’s a room you can see through the glass—that’s just the same as our drawing room, only the things go the other way.” — Lewis Carroll, “Alice’s Adventures in Wonderland & Through the Looking-Glass” There is a rich history of lore involving reflections. From the stories of Perseus and Narcissus in ancient Greek mythol- ogy to the adventures of Lewis Carroll’s Alice and J.K. Rowl- (a) (b) (c) Figure 1. Which images have been mirrored? Our goal is to understand how distributions of natural images differ from their reflections. Each of the images here appears plausible, but some subset have actually been flipped horizontally. Figuring out which can be a challenging task even for humans. Can you tell which are flipped? Answers are in Figure 2. less about how it changes what we learn from that data—this, despite widespread use of image reflection (e.g., mirror-flips) for data augmentation in computer vision. This paper is guided by a very simple question: How do the visual statistics of our world change when it is reflected? One can understand some aspects of this question by con- sidering the images in Figure 1. For individual objects, this question is closely related to the concept of chirality [12]. An object is said to be chiral if it cannot be rotated and translated into alignment with its own reflection, and achiral otherwise.1 Put differently, we can think of chiral objects as being fundamentally changed by reflection—these are :2006.09512v1 [cs.CV] 16 Jun 2020
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  62. Smartphones Guitars Watches

  63. Shirt collars Shirt pockets Faces Figure 5. Chiral clusters discovered

    in the Instagram dataset. Each row shows selected images from a single discovered cluster. Each image is shown with its corresponding CAM heatmap superimposed, where red regions are highly correlated with its true chirality. We discover a range of object-level chiral clusters, such as cellphones, watches, and shirts.
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