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Lightning Talk @ Chainer Meetup

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Avatar for Sinhrks Sinhrks
October 14, 2015
Programming
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Lightning Talk @ Chainer Meetup

Avatar for Sinhrks

Sinhrks

October 14, 2015

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Transcript

  1. Lightning Talk@ Chainer Meetup by sinhrks

  2. ࣗݾ঺հ • ϝʔΧʔʹͯσʔλ෼ੳ • OSS ׆ಈ: • PyData Development Team

    (pandasίϛολ) • Blaze Development Team (Daskίϛολ) • NumPyαϒηοτͷฒྻ෼ࢄndarrayͷ࣮૷͋Γ • GitHub: https://github.com/sinhrks

  3. Chainer ͷར༻৔໘ • ֶࣗࣗश • ۀ຿Ͱͷ Deep Learning ׆༻͸ͳ͠

  4. Chainer ͷྑ͍ͱ͜Ζ • ڧ͍ํ͕࡞͍ͬͯΔ • ϨΠϠఆ͕ٛ௚઀తͰ໌ྎ • ಺෦ͷ࣮૷͕ಡΈ΍͍͢

  5. Chainer ͷվળ఺ • ֶशશମͷॲཧΛ౎౓هड़͢Δඞཁ͕͋Δ • ҎԼͷΑ͏ͳఆ൪ॲཧͷͨΊͷ؆қه๏(ؔ਺/Ϋ ϥε)͕ཉ͍͠ • ॳճͷΈάϥϑग़ྗ •

    epoch ͝ͱͷଛࣦ • early stopping • ՄࢹԽ

  6. Chainer ͷ ՄࢹԽπʔϧ࡞Γ͍ͨ

  7. ֓ཁ • ֶशͷϞχλϦϯά • Computational Graph • ॏΈߦྻ (ະணख) •

    ͳͲΛɺϦϞʔτ (Jupyter / Webϒϥ΢β) ͔Β ֬ೝ͍ͨ͠ • →Bokeh

  8. ֶशͷϞχλϦϯά • ͪ͜ΒͷϒϩάΤϯτϦͷ಺༰ import chainer_vis.visualizer as visualizer iv = visualizer.JupyterVisualizer()

    monitor = iv.get_classification_monitor() for … monitor.update(test_loss=loss, test_accuracy=acc)