SlideShare a Scribd company logo
1
Участие команды LMM в
хакатоне deephack.me
, ,Лариса Маркеева Мстислав Масленников Андрей Молчанов и
Михаил Усвяцов
( )внутри нейросеть
19 - 25 2015июля
2
Мотивация
● Свёрточные уровни обрабатывают изображение
● Только 1 уровень отвечает за логику игры
– недостаточно на многих играх
3
Наш подход
● Идея: добавить дополнительные уровни
– Linear и Tanh
– * - добавляется сглаживающий уровень Rectifier
Уровень Параметры New
1 Reshape вход 4x84x84
нейроны маска отступ units
2 Convolution*
512
8 4 32
3 Convolution* 4 2 64
4 Convolution* 3 1 64
5 Reshape 3136
6 Linear 3136 → 512
7 Tanh 512 +
8 Linear* 512 → 256 +
10 Linear 256 → 6
4
Результаты полуфинала
● алгоритм LMM обучался только 12 часов
Gopher Seaquest Tutankham Итого
1 Red pandas 1,00 0,62 1,00 2,62
2 5 vision 0,79 1,00 0,54 2,33
3 Rock Band 0,41 0,69 0,22 1,32
4
Life
Propagation
0,49 0,24 0,44 1,17
5 SkyNet 0,14 0,40 0,38 0,93
6 Deep Punx 0,26 0,59 0,02 0,86
7 FastLearning 0,27 0,26 0,04 0,56
8 LMM 0,19 0,06 0,30 0,55
9 Конец Агента 0,18 0,07 0,17 0,42
10
DROP TABLE
USERS
0,12 0,08 0,02 0,22
5
Качество обучения
● Насколько хорошо система обучилась?
– Проблема: нет абсолютных метрик
● Наш подход
– мы используем относительную метрику
– считаем 10 запусков
– вычисляем среднее по ним
● пусть Scoremax
— max результат
Scorerel=
1
10
∑
i=1
10
Scorei
Scoremax
6
Процесс обучения в финале
● Scorerel
после 6 часов обучения
– процесс обучения немонотонный
– для разных игр разные виды траекторий
– на Space Invaders лучший результат на раннем этапе
7
Результаты в финале
● команда дошла до 1/8 финала
– проиграла на тай-брейке (700-700)
● результат по Kung-fu лучше чем у Deepmind
Space
Invaders
Hero Kung-fu
Время
обучения
Итог
1
Deepmind
(Google)
1976 19950 23270 ~7 дней
2 LMM 700 3015 35700 ~1 день
1/8
финала

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DeepHack.Game LMM team

  • 1. 1 Участие команды LMM в хакатоне deephack.me , ,Лариса Маркеева Мстислав Масленников Андрей Молчанов и Михаил Усвяцов ( )внутри нейросеть 19 - 25 2015июля
  • 2. 2 Мотивация ● Свёрточные уровни обрабатывают изображение ● Только 1 уровень отвечает за логику игры – недостаточно на многих играх
  • 3. 3 Наш подход ● Идея: добавить дополнительные уровни – Linear и Tanh – * - добавляется сглаживающий уровень Rectifier Уровень Параметры New 1 Reshape вход 4x84x84 нейроны маска отступ units 2 Convolution* 512 8 4 32 3 Convolution* 4 2 64 4 Convolution* 3 1 64 5 Reshape 3136 6 Linear 3136 → 512 7 Tanh 512 + 8 Linear* 512 → 256 + 10 Linear 256 → 6
  • 4. 4 Результаты полуфинала ● алгоритм LMM обучался только 12 часов Gopher Seaquest Tutankham Итого 1 Red pandas 1,00 0,62 1,00 2,62 2 5 vision 0,79 1,00 0,54 2,33 3 Rock Band 0,41 0,69 0,22 1,32 4 Life Propagation 0,49 0,24 0,44 1,17 5 SkyNet 0,14 0,40 0,38 0,93 6 Deep Punx 0,26 0,59 0,02 0,86 7 FastLearning 0,27 0,26 0,04 0,56 8 LMM 0,19 0,06 0,30 0,55 9 Конец Агента 0,18 0,07 0,17 0,42 10 DROP TABLE USERS 0,12 0,08 0,02 0,22
  • 5. 5 Качество обучения ● Насколько хорошо система обучилась? – Проблема: нет абсолютных метрик ● Наш подход – мы используем относительную метрику – считаем 10 запусков – вычисляем среднее по ним ● пусть Scoremax — max результат Scorerel= 1 10 ∑ i=1 10 Scorei Scoremax
  • 6. 6 Процесс обучения в финале ● Scorerel после 6 часов обучения – процесс обучения немонотонный – для разных игр разные виды траекторий – на Space Invaders лучший результат на раннем этапе
  • 7. 7 Результаты в финале ● команда дошла до 1/8 финала – проиграла на тай-брейке (700-700) ● результат по Kung-fu лучше чем у Deepmind Space Invaders Hero Kung-fu Время обучения Итог 1 Deepmind (Google) 1976 19950 23270 ~7 дней 2 LMM 700 3015 35700 ~1 день 1/8 финала