Caffe Example : 7.Web Demo (Kor) - ys7yoo/BrainCaffe GitHub Wiki

์›น๋ฐ๋ชจ(Web demo)

์š”๊ตฌ์‚ฌํ•ญ(Requirements)

๋ฐ๋ชจ ์„œ๋ฒ„๋Š” ๋ช‡๋ช‡ ์˜์กด์„ฑ ํŒŒ์ผ๋“ค์„ ์ง€๋‹Œ ํŒŒ์ด์ฌ์ด ์š”๊ตฌ๋œ๋‹ค. ์˜์กด์„ฑ ํŒŒ์ผ๋“ค์„ ๋‹น์‹ ์ด ์„ค์น˜ํ•ด๋†“์•˜์Œ์„ ํ™•์‹ค์‹œ ํ•˜๊ธฐ์œ„ํ•ด, pip install -r examples/web_demo/requirements.txt๋ฅผ ์‹คํ–‰์‹œ์ผœ์ฃผ์‹œ๊ณ , ๋˜ํ•œ ๋‹น์‹ ์˜ PYTHONPATH์— ์žˆ๋Š” ํŒŒ์ด์ฌ Caffe ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์ปดํŒŒ์ผ ํ•ด๋†“์•˜์Œ์„ ํ™•์‹ค์‹œํ•˜๋ผ. (์„ค์น˜ ์•ˆ๋‚ด์„œ๋ฅผ ํ™•์ธํ•˜๋ผ)

๋‹น์‹ ์ด ์ฐธ์กฐ CaffeNet ๋ชจ๋ธ๊ณผ ์ด๋ฏธ์ง€๋ง ๋ณด์กฐ ๋ฐ์ดํ„ฐ๋ฅผ ๋ชจ๋‘ ์–ป์–ด๋†“์•˜๋Š”์ง€ ํ™•์‹คํžˆํ•˜๋ผ:

./scripts/download_model_binary.py models/bvlc_reference_caffenet
./data/ilsvrc12/get_ilsvrc_aux.sh

ํ™•์ธ: ๋งŒ์•ฝ ์‹คํ–‰์— ๋ฌธ์ œ๊ฐ€ ์žˆ๋‹ค๋ฉด, ๋ณด์กฐ ํŒŒ์ผ์„ ๋‹ค์‹œ ๋‹ค์šด๋กœ๋“œ๋ฅผ ํ•ด๋ณด์•„๋ผ.

์‹คํ–‰(Run)

ํŒŒ์ด์ฌ examples/web_demo/app.py์„ ์‹คํ•ผ์‹œํ‚ค๋Š” ๊ฒƒ์€ ๋ฐ๋ชจ์„œ๋ฒ„๋ฅผ ๋„์šฐ๋ฉฐ http://0.0.0.0:5000์— ์ ‘์†ํ•  ์ˆ˜ ์žˆ๊ฒŒ๋” ํ•ด์ค€๋‹ค. ๋‹น์‹ ์€ ์›น์„œ๋ฒ„์˜ ๋””๋ฒ„๊ทธ ๋ชจ๋“œ๋ฅผ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์œผ๋ฉฐ, ํ˜น์€ ๋‹ค๋ฅธ ํฌํŠธ๋กœ ์ „ํ™˜ํ•  ์ˆ˜๋„ ์žˆ๋‹ค.

% python examples/web_demo/app.py -h
Usage: app.py [options]

Options:
  -h, --help            show this help message and exit
  -d, --debug           enable debug mode
  -p PORT, --port=PORT  which port to serve content on

์–ด๋–ป๊ฒŒ "์ตœ๋Œ€์น˜์˜ ์ •ํ™•๋„"๊ฒฐ๊ณผ๋ฅผ ๋ณด์žฅํ•˜๋‚˜์š”?(How are the โ€œmaximally accurateโ€ results generated?)

๋„›์…€(nutshell)์—์„œ๋Š”: ์ด๋ฏธ์ง€๋ง ์˜ˆ์ธก๋“ค์€ ์•ž ์žŽ ๋…ธ๋“œ๋“ค์—์„œ ๋งŒ๋“ค์–ด์กŒ์ง€๋งŒ, ํ”„๋กœ์ ํŠธ์˜ ์กฐ์งํ™”๊ฐ€ ์•ž ์žŽ ๋…ธ๋“œ๋“ค์—๊ฒŒ ์ตœ์ƒ์œ„์—์„œ '๋…๋ฆฝ์ฒด'๋ฅผ ์‚ฌ์šฉํ•ด, ๋” ์ผ๋ฐ˜์ ์ธ ๋ถ€๋ชจ๋…ธ๋“œ์„ ํ†ตํ•ด ํ•ฉ์ณ์ง์„ ํ—ˆ๋ฝํ•œ๋‹ค. "์ตœ๋Œ€์น˜์˜ ์ •ํ™•๋„" ๊ฒฐ๊ณผ๋ฅผ ์ œ๊ณตํ•˜๊ธฐ์œ„ํ•˜์—ฌ, ์šฐ๋ฆฌ๋Š” ์ตœ๋Œ€์น˜์˜ ํŠน์ •ํ•œ ์˜ˆ์ธก์น˜์—๋ถ€ํ„ฐ ๋†’์€ ์ •ํ™•๋„๋ฅผ ์–ป๊ธฐ์œ„ํ•ด "๋ฌผ๋Ÿฌ๋‚œ๋‹ค". ๋ฐ๋ชจ์—์„œ ๋ถˆ๋Ÿฌ์™€์ง„ bet_file์€ ๊ทธ๋“ค ์‚ฌ์ด์˜ ์ •๋ณด ์ด๋“ ์ธก์ •๋งŒํผ์ด๋‚˜ ๋ชจ๋“  ๊ด€๋ จ์žˆ๋Š” ์ด๋ฏธ์ง€๋ง ๋…ธ๋“œ๋“ค์˜ ์ด๋ฆ„๊ณผ ๊ทธ๋ž˜ํ”„์˜ ๊ตฌ์กฐ๋ฅผ ์ œ๊ณตํ•œ๋‹ค. ๋” ๋งŽ์€ ์ •๋ณด์— ๋Œ€ํ•ด, CVPR 2012์—์„œ ๋…ผ๋ฌธ "๋‹น์‹ ์˜ ๋ฐฐํŒ…์„ ์–‘์ชฝ์— ๊ฑธ์–ด ์œ„ํ—˜์„ ๋ถ„์‚ฐ์‹œ์ผœ๋ผ(Hedging your bets)."๋ฅผ ๋ณด์•„์ฃผ๊ธฐ๋ฅผ ๋ฐ”๋ž€๋‹ค.

์œ„ํ‚ค๋กœ ๋Œ์•„๊ฐ€๊ธฐ