๊ด€๋ฆฌ ๋ฉ”๋‰ด

๋ชฉ๋กdropout ์‚ฌ์šฉ์ด์œ  (1)

DATA101

[๋”ฅ๋Ÿฌ๋‹] Drop-out(๋“œ๋กญ์•„์›ƒ) ๊ฐœ๋…, ์‚ฌ์šฉ์ด์œ , ์ˆ˜์‹

๋ณธ ํฌ์ŠคํŒ…์—์„œ๋Š” ๋”ฅ๋Ÿฌ๋‹์— ์žˆ์–ด์„œ Generalization ๊ธฐ๋ฒ• ์ค‘ ํ•˜๋‚˜์ธ Drop-out(๋“œ๋กญ์•„์›ƒ)์— ๋Œ€ํ•ด ์•Œ์•„๋ด…๋‹ˆ๋‹ค.๐Ÿ“š ๋ชฉ์ฐจ1. Drop-out ๊ฐœ๋… 2. Drop-out ์‚ฌ์šฉ์ด์œ 3. Mini-batch ํ•™์Šต ์‹œ Drop-out4. Test ์‹œ Drop-out 1. Drop-out ๊ฐœ๋…Drop-out์€ ์„œ๋กœ ์—ฐ๊ฒฐ๋œ ์—ฐ๊ฒฐ๋ง(layer)์—์„œ 0๋ถ€ํ„ฐ 1 ์‚ฌ์ด์˜ ํ™•๋ฅ ๋กœ ๋‰ด๋Ÿฐ์„ ์ œ๊ฑฐ(drop)ํ•˜๋Š” ๊ธฐ๋ฒ•์ž…๋‹ˆ๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด, ์œ„์˜ ๊ทธ๋ฆผ 1 ๊ณผ ๊ฐ™์ด drop-out rate๊ฐ€ 0.5๋ผ๊ณ  ๊ฐ€์ •ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค. Drop-out ์ด์ „์— 4๊ฐœ์˜ ๋‰ด๋Ÿฐ๋ผ๋ฆฌ ๋ชจ๋‘ ์—ฐ๊ฒฐ๋˜์–ด ์žˆ๋Š” ์ „๊ฒฐํ•ฉ ๊ณ„์ธต(Fully Connected Layer)์—์„œ 4๊ฐœ์˜ ๋‰ด๋Ÿฐ ๊ฐ๊ฐ์€ 0.5์˜ ํ™•๋ฅ ๋กœ ์ œ๊ฑฐ๋ ์ง€ ๋ง์ง€ ๋žœ๋คํ•˜๊ฒŒ ๊ฒฐ์ •๋ฉ๋‹ˆ๋‹ค. ์œ„์˜ ์˜ˆ์‹œ์—์„œ๋Š” 2..