Lightweight-human-pose-estimation.pytorch: MobileNet-V2๋กœ ์‹œ๋„

์— ๋งŒ๋“  2019๋…„ 10์›” 14์ผ  ยท  10์ฝ”๋ฉ˜ํŠธ  ยท  ์ถœ์ฒ˜: Daniil-Osokin/lightweight-human-pose-estimation.pytorch

Mobilenet-V1์„ Mobilenet-V2๋กœ ๊ต์ฒดํ•˜๋ ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค. ํ†ต์ฐฐ๋ ฅ์ด ์žˆ์Šต๋‹ˆ๊นŒ?

๋ชจ๋“  10 ๋Œ“๊ธ€

์šฉ์ง€๋ฅผ ํ™•์ธํ•˜์‹ญ์‹œ์˜ค. ์š”์ปจ๋Œ€, ์†๋„/์ •ํ™•๋„ ํ–ฅ์ƒ์„ ์ œ๊ณตํ•˜์ง€ ์•Š์•˜์Šต๋‹ˆ๋‹ค.

๋‚˜๋Š” ๊ทธ๊ฒƒ์„ ํ™•์ธํ–ˆ๋‹ค. ๊ทธ๋Ÿฌ๋‚˜ ๊ท€ํ•˜์˜ ์•Œ๊ณ ๋ฆฌ์ฆ˜์— MobileNetV2๋ฅผ ๊ตฌํ˜„ํ•˜๋ ค๊ณ  ํ–ˆ์Šต๋‹ˆ๋‹ค. ์˜ค๋ฅ˜๊ฐ€ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค. ์ฝ”๋“œ ๊ณต์œ  ๋ถ€ํƒ๋“œ๋ ค๋„ ๋ ๊นŒ์š”?
๊ฐ์‚ฌ ํ•ด์š”,

๋˜๋Š” MobileNet V2์šฉ์œผ๋กœ ์‚ฌ์ „ ํ›ˆ๋ จ๋œ ๋ชจ๋ธ์„ ๊ณต์œ ํ•  ์ˆ˜ ์žˆ๋‹ค๋ฉด ๊ทธ๊ฒƒ๋„ ์ข‹์„ ๊ฒƒ์ž…๋‹ˆ๋‹ค!

์ด ์ฝ”๋“œ๊ฐ€ ์—†์Šต๋‹ˆ๋‹ค. ์˜ค๋ฅ˜๋ฅผ ๊ฒŒ์‹œํ•  ์ˆ˜ ์žˆ์œผ๋ฉฐ ๋””๋ฒ„๊ทธํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

๊ดœ์ฐฎ์•„. ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค!

์ด ๊ตฌํ˜„์— ๋Œ€ํ•œ ๊ท€ํ•˜์˜ ๋…ผ๋ฌธ์„ ์ฝ๊ณ  ํ•œ ๊ฐ€์ง€ ์งˆ๋ฌธ์ด ์žˆ์Šต๋‹ˆ๋‹ค. MobileNet ๋ฐฑ๋ณธ ์„ ํƒ์—์„œ 'conv4_1๋กœ ์ž๋ฅด๊ธฐ', 'conv5_5๋กœ ์ž๋ฅด๊ธฐ' ๋“ฑ์€ ๋ฌด์—‡์„ ์˜๋ฏธํ•ฉ๋‹ˆ๊นŒ?

์ด๊ฒƒ์€ ๋ฐฑ๋ณธ์—์„œ ์–ผ๋งˆ๋‚˜ ๋งŽ์€ ๋ ˆ์ด์–ด๊ฐ€ ์‚ฌ์šฉ๋˜๋Š”์ง€๋ฅผ ์˜๋ฏธํ•ฉ๋‹ˆ๋‹ค. MobileNet v1์—๋Š” depthwise convolution๊ณผ 1x1 pointwise convolution์œผ๋กœ ๊ตฌ์„ฑ๋œ 6๊ฐœ์˜ ๋ธ”๋ก์ด ์žˆ์Šต๋‹ˆ๋‹ค. ๊ฐ ๋ธ”๋ก ์ŠคํŠธ๋ผ์ด๋“œ ํ›„์—๋Š” ์ŠคํŠธ๋ผ์ด๋“œ๊ฐ€ ์ฆ๊ฐ€ํ•ฉ๋‹ˆ๋‹ค(์ŠคํŠธ๋ผ์ด๋“œ == 2์ธ ์ปจ๋ณผ๋ฃจ์…˜์ด ์žˆ์Œ). ์ฒซ ๋ฒˆ์งธ ์ˆซ์ž conv 5 _5๋Š” ๋ธ”๋ก ์ธ๋ฑ์Šค์ด๊ณ  ๋‘ ๋ฒˆ์งธ conv5_ 5 ๋Š” ๋ธ”๋ก ๋‚ด ์ปจ๋ณผ๋ฃจ์…˜ ์ธ๋ฑ์Šค(๊นŠ์ด๋ณ„ + ํฌ์ธํŠธ๋ณ„)์ž…๋‹ˆ๋‹ค. conv4_2์—์„œ ๋ณดํญ์„ ์ œ๊ฑฐํ•˜๊ณ  conv5_1์—์„œ ํŒฝ์ฐฝ์„ ์ถ”๊ฐ€ ํ•ฉ๋‹ˆ๋‹ค .

๋ฉ‹์žˆ๋Š”. ์ด๊ฒƒ์€ ๋งŽ์€ ๊ฒƒ์„ ์„ค๋ช…ํ•ฉ๋‹ˆ๋‹ค.

๋‹ค์‹œ ํ•œ๋ฒˆ ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค!

๋ฌผ๋ก  ์ด์ฃ !

GLOPS ๋ฐ ๋งค๊ฐœ๋ณ€์ˆ˜ ์ˆ˜๋ฅผ ๊ณ„์‚ฐํ•˜๋Š” ๊ตฌ์ฒด์ ์ธ ๋ฐฉ๋ฒ•์ด ์žˆ์Šต๋‹ˆ๊นŒ? https://github.com/sovrasov/flops-counter.pytorch ๋ฅผ ์‚ฌ์šฉํ•  ๊ณ„ํš์ž…๋‹ˆ๋‹ค.

์ด๊ฒƒ์€ ๊ดœ์ฐฎ์Šต๋‹ˆ๋‹ค. ์šฐ๋ฆฌ๊ฐ€ ์‚ฌ์šฉํ•œ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค. pip ๋ฅผ ํ†ตํ•ด์„œ๋„ ์„ค์น˜ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

์ด ํŽ˜์ด์ง€๊ฐ€ ๋„์›€์ด ๋˜์—ˆ๋‚˜์š”?
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