๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ

GANs1

[Notable] GANs ์˜ ์ฃผ์š” ๋ฌธ์ œ์ : Mode Collapse ์™€ Training Instability โœ… 1. Mode Collapse (๋ชจ๋“œ ๋ถ•๊ดด)๐Ÿšฉ Mode Collapse๋ž€?Mode Collapse๋Š” GAN์˜ ์ƒ์„ฑ์ž(Generator)๊ฐ€ ๋ฐ์ดํ„ฐ์˜ ๋‹ค์–‘ํ•œ ํŒจํ„ด์„ ํ•™์Šตํ•˜์ง€ ๋ชปํ•˜๊ณ , ์ œํ•œ๋œ ํŒจํ„ด๋งŒ ๋ฐ˜๋ณต์ ์œผ๋กœ ์ƒ์„ฑํ•˜๋Š” ํ˜„์ƒ์„ ์˜๋ฏธํ•ฉ๋‹ˆ๋‹ค.์˜ˆ์‹œ:๊ณ ์–‘์ด ์‚ฌ์ง„ ๋ฐ์ดํ„ฐ์…‹์œผ๋กœ ํ•™์Šต์‹œ์ผฐ๋‹ค๋ฉด ๋‹ค์–‘ํ•œ ๊ณ ์–‘์ด ์ด๋ฏธ์ง€๋ฅผ ์ƒ์„ฑํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.๊ทธ๋Ÿฌ๋‚˜ Mode Collapse๊ฐ€ ๋ฐœ์ƒํ•˜๋ฉด ์ƒ์„ฑ์ž๋Š” "ํ•œ ๊ฐ€์ง€ ๊ณ ์–‘์ด ์œ ํ˜•"๋งŒ ๋ฐ˜๋ณต์ ์œผ๋กœ ์ƒ์„ฑํ•˜๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.๐Ÿ” ์™œ ๋ฐœ์ƒํ• ๊นŒ?GAN์€ ์ƒ์„ฑ์ž(Generator)์™€ ํŒ๋ณ„์ž(Discriminator)๊ฐ€ ๊ฒฝ์Ÿํ•˜๋Š” ๊ตฌ์กฐ์ž…๋‹ˆ๋‹ค. ์ด ๊ณผ์ •์—์„œ:์ƒ์„ฑ์ž๊ฐ€ ์šฐ์—ฐํžˆ ํŒ๋ณ„์ž๋ฅผ ์ž˜ ์†์ด๋Š” ํŠน์ • ํŒจํ„ด์„ ๋ฐœ๊ฒฌํ•ฉ๋‹ˆ๋‹ค.์ด ํŒจํ„ด์„ ๋ฐ˜๋ณตํ•ด์„œ ์‚ฌ์šฉํ•˜๋ฉด ํŒ๋ณ„์ž๋ฅผ ์†์ผ ์ˆ˜ ์žˆ๋‹ค๊ณ  ํ•™์Šตํ•ฉ๋‹ˆ๋‹ค.๊ฒฐ๊ตญ ๋ฐ์ดํ„ฐ์˜ ๋‹ค์–‘์„ฑ์ด ์‚ฌ๋ผ์ง€๊ณ  ํŠน์ • ๋ชจ.. 2025. 2. 4.

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