Darkflow: loader.py์˜ "walker.offset == walker.size ์ฃผ์žฅ"์— ๋Œ€ํ•œ ์งˆ๋ฌธ

์— ๋งŒ๋“  2017๋…„ 07์›” 13์ผ  ยท  4์ฝ”๋ฉ˜ํŠธ  ยท  ์ถœ์ฒ˜: thtrieu/darkflow

์ด ์ฃผ์žฅ์ด ๋ฌด์—‡์„ ํ™•์ธํ•˜๋Š”์ง€ ๊ถ๊ธˆํ•ฉ๋‹ˆ๋‹ค. https://github.com/thtrieu/darkflow/blob/master/darkflow/utils/loader.py#L75

๋‚˜๋Š” darknet์—์„œ ์‚ฌ์šฉ์ž ์ •์˜ ํ›ˆ๋ จ๋œ ๋ชจ๋ธ๊ณผ ๊ตฌ์„ฑ ํŒŒ์ผ์„ ๊ฐ€์ง€๊ณ  ์žˆ์œผ๋ฉฐ ์˜ˆ์ธก์„ ์‚ฌ์šฉํ•˜๋ ค๊ณ  ํ•  ๋•Œ "์˜ˆ์ƒ๋œ x ๋ฐ”์ดํŠธ, y๋ฅผ ์ฐพ์•˜์Šต๋‹ˆ๋‹ค" ์˜ค๋ฅ˜๊ฐ€ ๊ณ„์† ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค. ๋‚ด๊ฐ€ ์ฃผ์„์„ ๋‹ฌ๋ฉด darkflow๊ฐ€ ์ž˜ ์‹คํ–‰๋˜์ง€๋งŒ ์–ด๋–ค ๋ฌธ์ œ๋ฅผ ์ผ์œผํ‚ฌ์ง€ ํ™•์‹ ์ด ์„œ์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

๊ฐ€์žฅ ์œ ์šฉํ•œ ๋Œ“๊ธ€

๋‚˜๋„ ๊ฐ™์€ ๋ฌธ์ œ๊ฐ€์žˆ๋‹ค. ๊ทธ ์ค„์— ์ฃผ์„์„ ๋‹ฌ์ง€ ๋งˆ์‹ญ์‹œ์˜ค. https://github.com/thtrieu/darkflow/blob/479c83e14559fd5eceb9a9f612503b29a67fac5c/darkflow/utils/loader.py#L121 ํŒŒ์ผ๋กœ ์ด๋™ํ•˜์—ฌ self.offset = 20 ํ•˜๋ฉด ๋ฉ๋‹ˆ๋‹ค.

๋ชจ๋“  4 ๋Œ“๊ธ€

ํ , ์ด์ œ ํƒ์ง€์—์„œ ์•„๋ฌด๊ฒƒ๋„ ์ฐพ์„ ์ˆ˜ ์—†๋Š” ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค. ๊ทธ๋ž˜๋„ walk.offset์ด ๋ฌด์—‡์ธ์ง€ ๊ถ๊ธˆํ•ฉ๋‹ˆ๋‹ค.

๋‚˜๋„ ๊ฐ™์€ ๋ฌธ์ œ๊ฐ€์žˆ๋‹ค. ๊ทธ ์ค„์— ์ฃผ์„์„ ๋‹ฌ์ง€ ๋งˆ์‹ญ์‹œ์˜ค. https://github.com/thtrieu/darkflow/blob/479c83e14559fd5eceb9a9f612503b29a67fac5c/darkflow/utils/loader.py#L121 ํŒŒ์ผ๋กœ ์ด๋™ํ•˜์—ฌ self.offset = 20 ํ•˜๋ฉด ๋ฉ๋‹ˆ๋‹ค.

@minhnhat93 ๋‹น์‹  ๋ง์ด ๋งž์•„์š”! ์ •๋ง ๊ณ ๋งˆ์›Œ! ํฅ๋ฏธ๋กญ๊ฒŒ๋„ darkflow ๊ฐ์ง€์—์„œ ์–ป์€ ๊ฒฐ๊ณผ๋Š” ๋™์ผํ•œ ๊ฐ€์ค‘์น˜๋ฅผ ์‚ฌ์šฉํ•˜๋Š” darknet๊ณผ ์•ฝ๊ฐ„ ๋‹ค๋ฆ…๋‹ˆ๋‹ค. ์˜คํ”„์…‹๊ณผ ๊ด€๋ จ์ด ์žˆ๋Š”์ง€ ํ™•์‹คํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

๋ณ€๊ฒฝ ํ›„ self.offset = 16 ==> self.offset = 20, darkflow๋ฅผ ์ œ๊ฑฐํ•˜๊ณ  pip3 ์„ค์น˜(๋‹ค์‹œ ์„ค์น˜)ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.

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