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PostProcessing

Resize

Resize by person

๊ทธ๋ฆผ ์† ์ธ๋ฌผ์ค‘ ๊ฐ€์žฅ ์‹ ์žฅ์ด ํฐ ์‚ฌ๋žŒ์˜ ๊ธธ์ด์™€ ๊ทธ๋ฆผ ๋†’์ด์˜ ๋น„์œจ์ด ์„ค์ •๊ฐ’์„ ๋„˜์–ด๊ฐ€๋ฉด ๋น„์œจ์„ ์„ค์ •๊ฐ’๋กœ ๋งž์ถ”๋Š” ๊ธฐ๋Šฅ์ž…๋‹ˆ๋‹ค.
์„ค์ •๊ฐ’์ด 0.90์ด๊ณ  ์ธ๋ฌผ์˜ ์ „์ฒด ๊ธธ์ด: ๊ทธ๋ฆผ ๋†’์ด์˜ ๋น„์œจ์ด 0.95๋ผ๊ณ  ํ•œ๋‹ค๋ฉด
๋ฐฐ๊ฒฝ์„ ๋Š˜๋ ค์„œ ์ธ๋ฌผ์˜ ๋น„์œจ์ด 0.90์ด ๋˜๋„๋ก ํ•ฉ๋‹ˆ๋‹ค.
๋ฐฐ๊ฒฝ์€ ์™ผ์ชฝ, ์˜ค๋ฅธ์ชฝ, ์œ„์ชฝ์œผ๋กœ ๋Š˜์–ด๋‚ฉ๋‹ˆ๋‹ค.

์ด ๊ธฐ๋Šฅ์€ 2๊ฐ€์ง€ ๋ฐฉ๋ฒ•์„ ์ œ๊ณตํ•˜๋Š”๋ฐ ๋‹ค์Œ๊ณผ ๊ฐ™์Šต๋‹ˆ๋‹ค.

Inpaint

Face Detailing๊ณผ ๊ฐ™์€ ๋ฐฉ๋ฒ•์œผ๋กœ ์ด๋ฏธ์ง€๊ฐ€ ์™„์ „ํžˆ ์ƒ์„ฑ๋˜๊ณ  ๋‚œ ํ›„์— ์ฃผ๋ณ€๋ถ€๋ฅผ ํ™•์žฅํ•ฉ๋‹ˆ๋‹ค.
์ด๋•Œ ์ด๋ฏธ ์ƒ์„ฑ๋œ ์ด๋ฏธ์ง€๋ฅผ ํ›ผ์†ํ•˜์ง€ ์•Š๊ณ  ์ฃผ๋ณ€๋ถ€๋งŒ ํ™•์žฅํ•˜๊ธฐ ๋•Œ๋ฌธ์— ์ง๊ด€์ ์œผ๋กœ ํ™•์ธ์ด ๊ฐ€๋Šฅํ•ฉ๋‹ˆ๋‹ค. ๊ฐ€์žฅ ๋น ๋ฅด๊ณ  ํšจ๊ณผ์ ์œผ๋กœ ์ถ”์ฒœํ•ฉ๋‹ˆ๋‹ค.

Inpaint + lama

Inpaint์™€ ๊ฐ™์€ ๋ฐฉ๋ฒ•์ธ๋ฐ BMAB์—์„œ ControlNet์„ ๋ถˆ๋Ÿฌ์„œ Inpaint+lama๋ฅผ ์ด์šฉํ•ด์„œ ๋™์ž‘ํ•ฉ๋‹ˆ๋‹ค. ์ด๋ฏธ์ง€๊ฐ€ ์ƒ์„ฑ๋˜๊ณ ๋‚˜์„œ ๋””ํ…Œ์ผ๋ง ์‹œ์ž‘ํ•˜๊ธฐ ์ „์— img2img๋ฅผ ์ด์šฉํ•˜์—ฌ ๋ฐฐ๊ฒฝ์„ ํ™•์žฅํ•˜์—ฌ ์ „์ฒด์ ์œผ๋กœ ์ธ๋ฌผ์„ ์ž‘๊ฒŒ ๋งŒ๋“œ๋Š” ํšจ๊ณผ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.

์ด ๋‘๊ฐ€์ง€ ๋ฐฉ๋ฒ•์€ ์ƒ์„ฑ๋œ ์ด๋ฏธ์ง€๋ฅผ ์ถ•์†Œํ•˜๊ธฐ๋งŒ ํ• ๋ฟ ํ›ผ์†ํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.
์ด๊ฒƒ์ด Resize intermediate์™€ ๋‹ค๋ฅธ์ ์ž…๋‹ˆ๋‹ค.

Upscaler

์ตœ์ข…์ ์œผ๋กœ ์ด๋ฏธ์ง€๊ฐ€ ์™„์„ฑ๋˜๊ณ  ๋‚œ ์ดํ›„์— ์ด๋ฏธ์ง€๋ฅผ upscaler๋ฅผ ์ด์šฉํ•˜์—ฌ ํฌ๊ฒŒ ๋งŒ๋“ญ๋‹ˆ๋‹ค.

Enable upscale at final stage

์ด๋ฏธ์ง€ ์ƒ์„ฑ์ด ์™„๋ฃŒ๋˜๊ณ  ๋‚œ ์ดํ›„์— Upscale์„ ์ˆ˜ํ–‰ํ•ฉ๋‹ˆ๋‹ค.
960x540์œผ๋กœ ์ƒ์„ฑํ•˜๊ณ  hires.fix๋ฅผ x2๋กœ ํ•˜๋ฉด 1920x1080 ์ด๋ฏธ์ง€๊ฐ€ ๋‚˜์˜ค๋Š”๋ฐ
์—ฌ๊ธฐ์„œ Upscale์„ x2๋ฅผ ํ•˜๋ฉด 4K ์ด๋ฏธ์ง€๊ฐ€ ๋‚˜์˜ค๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.

Detailing after upscale

์ด ์˜ต์…˜์„ ์„ค์ •ํ•˜๋ฉด ์œ„์—์„œ ์–ธ๊ธ‰ํ•œ Person, Face, Hand ์— ๋Œ€ํ•œ detailing์„ upscale ์ดํ›„์— ์ˆ˜ํ–‰ํ•ฉ๋‹ˆ๋‹ค.

Upscale Ratio

์ด๋ฏธ์ง€๋ฅผ ์–ผ๋งˆ๋‚˜ upscaleํ• ์ง€ ๊ฒฐ์ •ํ•ฉ๋‹ˆ๋‹ค.