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https://vcai.mpi-inf.mpg.de/projects/DragGAN/ 

 

Drag Your GAN: Interactive Point-based Manipulation on the Generative Image Manifold

--> Abstract Synthesizing visual content that meets users' needs often requires flexible and precise controllability of the pose, shape, expression, and layout of the generated objects. Existing approaches gain controllability of generative adversarial net

vcai.mpi-inf.mpg.de

 

Abstract

GAN (Generative Adversarial Networks)๊ณผ ๊ฐ™์€ ๋”ฅ ์ƒ์„ฑ ๋ชจ๋ธ๋“ค์€ ๋ฌด์ž‘์œ„๋กœ ์‹ค์‚ฌ์ ์ธ ์ด๋ฏธ์ง€๋ฅผ ํ•ฉ์„ฑํ•˜๋Š” ๋ฐ์— ์žˆ์–ด์„œ ์ „๋ก€ ์—†๋Š” ์„ฑ๊ณต์„ ๊ฑฐ๋‘์—ˆ์Šต๋‹ˆ๋‹ค. ์‹ค์ œ ์‘์šฉ ํ”„๋กœ๊ทธ๋žจ์—์„œ ์ด๋Ÿฌํ•œ ํ•™์Šต ๊ธฐ๋ฐ˜ ์ด๋ฏธ์ง€ ํ•ฉ์„ฑ ๋ฐฉ๋ฒ•์˜ ์ค‘์š”ํ•œ ์š”๊ตฌ ์‚ฌํ•ญ์€ ์ƒ์„ฑ๋œ ์‹œ๊ฐ์  ์ฝ˜ํ…์ธ ์— ๋Œ€ํ•œ ์ œ์–ด ๊ฐ€๋Šฅ์„ฑ์ž…๋‹ˆ๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด, ์†Œ์…œ ๋ฏธ๋””์–ด ์‚ฌ์šฉ์ž๋Š” ์บก์ฒ˜๋œ ์‚ฌ์ง„์—์„œ ์ธ๋ฌผ ๋˜๋Š” ๋™๋ฌผ์˜ ์œ„์น˜, ๋ชจ์–‘, ํ‘œ์ •, ๋ชธ์˜ ์ž์„ธ๋ฅผ ์กฐ์ •ํ•˜๊ณ  ์‹ถ์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์ „๋ฌธ์ ์ธ ์˜ํ™” ์‹œ๊ฐํ™” ๋ฐ ๋ฏธ๋””์–ด ํŽธ์ง‘์—์„œ๋Š” ํŠน์ • ๋ ˆ์ด์•„์›ƒ์„ ๊ฐ€์ง„ ์žฅ๋ฉด์˜ ์Šค์ผ€์น˜๋ฅผ ํšจ์œจ์ ์œผ๋กœ ์ƒ์„ฑํ•ด์•ผ ํ•  ์ˆ˜ ์žˆ์œผ๋ฉฐ, ์ž๋™์ฐจ ๋””์ž์ด๋„ˆ๋Š” ์ž์‹ ๋“ค์˜ ์ฐฝ์ž‘๋ฌผ์˜ ๋ชจ์–‘์„ ๋Œ€ํ™”์‹์œผ๋กœ ์ˆ˜์ •ํ•˜๊ณ  ์‹ถ์–ดํ•  ์ˆ˜๋„ ์žˆ์Šต๋‹ˆ๋‹ค. ์ด๋Ÿฌํ•œ ๋‹ค์–‘ํ•œ ์‚ฌ์šฉ์ž ์š”๊ตฌ์— ๋งŒ์กฑ์‹œํ‚ค๊ธฐ ์œ„ํ•ด์„œ๋Š” ์ด์ƒ์ ์ธ ์ œ์–ด ๊ฐ€๋Šฅํ•œ ์ด๋ฏธ์ง€ ํ•ฉ์„ฑ ๋ฐฉ๋ฒ•์€ ๋‹ค์Œ๊ณผ ๊ฐ™์€ ํŠน์„ฑ์„ ๊ฐ€์ ธ์•ผ ํ•ฉ๋‹ˆ๋‹ค. 

 

1) ์œ ์—ฐ์„ฑ: ์ƒ์„ฑ๋œ ๊ฐ์ฒด ๋˜๋Š” ๋™๋ฌผ์˜ ์œ„์น˜, ์ž์„ธ, ๋ชจ์–‘, ํ‘œ์ • ๋ฐ ๋ ˆ์ด์•„์›ƒ๊ณผ ๊ฐ™์€ ๋‹ค์–‘ํ•œ ๊ณต๊ฐ„ ์†์„ฑ์„ ์ œ์–ดํ•  ์ˆ˜ ์žˆ์–ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. 

2) ์ •ํ™•์„ฑ: ๊ณต๊ฐ„ ์†์„ฑ์„ ๋†’์€ ์ •ํ™•๋„๋กœ ์ œ์–ดํ•  ์ˆ˜ ์žˆ์–ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. 

3) ์ผ๋ฐ˜์„ฑ: ํŠน์ • ๋ฒ”์ฃผ์— ๊ตญํ•œ๋˜์ง€ ์•Š๊ณ  ๋‹ค๋ฅธ ๊ฐ์ฒด ๋ฒ”์ฃผ์—๋„ ์ ์šฉํ•  ์ˆ˜ ์žˆ์–ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. 

 

์ด์ „ ์ž‘์—…๋“ค์€ ์ด๋Ÿฌํ•œ ํŠน์„ฑ ์ค‘ ํ•˜๋‚˜ ๋˜๋Š” ๋‘ ๊ฐ€์ง€๋งŒ์„ ๋งŒ์กฑ์‹œํ‚ค๊ธฐ ๋•Œ๋ฌธ์—, ์ด ๋…ผ๋ฌธ์—์„œ๋Š” ์ด๋Ÿฌํ•œ ํŠน์„ฑ์„ ๋ชจ๋‘ ๋งŒ์กฑ์‹œํ‚ค๊ธฐ๋ฅผ ๋ชฉํ‘œ๋กœ ํ•ฉ๋‹ˆ๋‹ค.

 

 

 

 

์‚ฌ์šฉ์ž ์ž…๋ ฅ ์ดˆ๊ธฐ ์ด๋ฏธ์ง€ 1์ฐจ ์ตœ์ ํ™” ๋‹จ๊ณ„ ํฌ์ธํŠธ ์—…๋ฐ์ดํŠธ ์ตœ์ข… ์ด๋ฏธ์ง€ ํ•ธ๋“ค ํฌ์ธํŠธ ํƒ€๊ฒŸ ํฌ์ธํŠธ

GAN ์ƒ์„ฑ ์ด๋ฏธ์ง€๊ฐ€ ์ฃผ์–ด์ง€๋ฉด ์‚ฌ์šฉ์ž๋Š” ๋ช‡ ๊ฐœ์˜ ํ•ธ๋“ค ํฌ์ธํŠธ(๋นจ๊ฐ„ ์ ), ํƒ€๊ฒŸ ํฌ์ธํŠธ(ํŒŒ๋ž€ ์ ) ๋ฐ ํŽธ์ง‘ ์ค‘์ธ ์ด๋™ ๊ฐ€๋Šฅํ•œ ์˜์—ญ์„ ๋‚˜ํƒ€๋‚ด๋Š” ๋งˆ์Šคํฌ(๋ฐ์€ ์˜์—ญ)๋ฅผ ์„ค์ •ํ•˜๊ธฐ๋งŒ ํ•˜๋ฉด๋ฉ๋‹ˆ๋‹ค. ์ ‘๊ทผ ๋ฐฉ์‹์€ ๋ฐ˜๋ณต์ ์œผ๋กœ ์ด๋™ ๋ฐ ํฌ์ธํŠธ ์ถ”์ ์„ ์ˆ˜ํ–‰ํ•ฉ๋‹ˆ๋‹ค. ์ด๋™ ๊ฐ๋… ๋‹จ๊ณ„์—์„œ ํ•ธ๋“ค ํฌ์ธํŠธ(๋นจ๊ฐ„ ์ )๋Š” ํƒ€๊ฒŸ ํฌ์ธํŠธ(ํŒŒ๋ž€ ์ )๋กœ ์ด๋™ํ•˜๊ณ  ํฌ์ธํŠธ ์ถ”์  ๋‹จ๊ณ„์—์„œ ํ•ธ๋“ค ํฌ์ธํŠธ๋Š” ์ด๋ฏธ์ง€์—์„œ ๊ฐ์ฒด๋ฅผ ์ถ”์ ํ•˜๊ธฐ ์œ„ํ•ด ์—…๋ฐ์ดํŠธ๋ฉ๋‹ˆ๋‹ค. ์ด ๊ณผ์ •์€ ํ•ธ๋“ค ํฌ์ธํŠธ๊ฐ€ ํ•ด๋‹นํ•˜๋Š” ํƒ€๊ฒŸ ํฌ์ธํŠธ์— ๋„๋‹ฌ ํ•  ๋•Œ๊นŒ์ง€ ๊ณ„์†๋ฉ๋‹ˆ๋‹ค.


ํ•ธ๋“ค ํฌ์ธํŠธ์˜ ์˜๋ฏธ ์žˆ๋Š” ์œ„์น˜๊ฐ€ ํ•ด๋‹นํ•˜๋Š” ํƒ€๊ฒŸ ํฌ์ธํŠธ์— ๋„๋‹ฌ ํ•  ๋•Œ๊นŒ์ง€ ์šฐ๋ฆฌ๋Š” ์‚ฌ์šฉ์ž๊ฐ€ ์›€์ง์ผ ์ˆ˜์žˆ๋Š” ์˜์—ญ์„ ๋‚˜ํƒ€๋‚ด๋Š” ์ด์ง„ ๋งˆ์Šคํฌ M์„ ์„ ํƒ์ ์œผ๋กœ ๊ทธ๋ฆด ์ˆ˜๋„ ์žˆ์Šต๋‹ˆ๋‹ค.

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