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You've Got a Golden Ticket: Improving Generative Robot Policies With A Single Noise Vector

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์ €์ž

Omkar Patil, Ondrej Biza, Thomas Weng, Karl Schmeckpeper, Wil Thomason, Xiaohan Zhang, Robin Walters, Nakul Gopalan, Sebastian Castro, Eric Rosen

๐Ÿ’ก ๊ฐœ์š”

๋ณธ ๋…ผ๋ฌธ์€ ์‚ฌ์ „ ํ•™์Šต๋œ ์ƒ์„ฑ ๋กœ๋ด‡ ์ •์ฑ…์˜ ์„ฑ๋Šฅ์„ ํ–ฅ์ƒ์‹œํ‚ค๊ธฐ ์œ„ํ•ด, ๋งค๋ฒˆ ๊ฐ€์šฐ์‹œ์•ˆ ๋ถ„ํฌ์—์„œ ๋…ธ์ด์ฆˆ๋ฅผ ์ƒ˜ํ”Œ๋งํ•˜๋Š” ๋Œ€์‹  ์ž˜ ์„ ํƒ๋œ ์ƒ์ˆ˜ ์ดˆ๊ธฐ ๋…ธ์ด์ฆˆ ๋ฒกํ„ฐ, ์ฆ‰ "๊ณจ๋“  ํ‹ฐ์ผ“"์„ ์‚ฌ์šฉํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ์ œ์•ˆํ•ฉ๋‹ˆ๋‹ค. ์ œ์•ˆ๋œ ๋ฐฉ๋ฒ•์€ ๋ชฌํ…Œ์นด๋ฅผ๋กœ ์ •์ฑ… ํ‰๊ฐ€๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ๊ณจ๋“  ํ‹ฐ์ผ“์„ ๊ฒ€์ƒ‰ํ•˜๋ฉฐ, ์‚ฌ์ „ ํ•™์Šต๋œ ์ •์ฑ…์„ ๋™๊ฒฐ์‹œํ‚ค๊ณ  ์ถ”๊ฐ€์ ์ธ ๋„คํŠธ์›Œํฌ ํ›ˆ๋ จ ์—†์ด ์ ์šฉ ๊ฐ€๋Šฅํ•ฉ๋‹ˆ๋‹ค. ์ด ๋ฐฉ๋ฒ•์€ ์‹œ๋ฎฌ๋ ˆ์ด์…˜ ๋ฐ ์‹ค์ œ ๋กœ๋ด‡ ์กฐ์ž‘ ๋ฒค์น˜๋งˆํฌ์—์„œ 43๊ฐœ ์ค‘ 38๊ฐœ ์ž‘์—…์—์„œ ์„ฑ๊ณต๋ฅ ์„ ์ตœ๋Œ€ 58%๊นŒ์ง€ ํ–ฅ์ƒ์‹œํ‚ค๋Š” ์„ฑ๊ณผ๋ฅผ ๋ณด์˜€์Šต๋‹ˆ๋‹ค.

๐Ÿ”‘ ์‹œ์‚ฌ์  ๋ฐ ํ•œ๊ณ„

โ€ข
์‚ฌ์ „ ํ•™์Šต๋œ ์ƒ์„ฑ ๋กœ๋ด‡ ์ •์ฑ…์˜ ์„ฑ๋Šฅ์„ ๋ฏธ์„ธ ์กฐ์ •์ด๋‚˜ ์ถ”๊ฐ€ ํ›ˆ๋ จ ์—†์ด ๋‹จ์ˆœํžˆ ์ดˆ๊ธฐ ๋…ธ์ด์ฆˆ ์ž…๋ ฅ๋งŒ ๋ณ€๊ฒฝํ•˜์—ฌ ํšจ๊ณผ์ ์œผ๋กœ ํ–ฅ์ƒ์‹œํ‚ฌ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
โ€ข
์ œ์•ˆ๋œ ๊ณจ๋“  ํ‹ฐ์ผ“ ๊ฒ€์ƒ‰ ๋ฐฉ๋ฒ•์€ ๋ณ„๋„์˜ ์ธํ”„๋ผ๋‚˜ ๋ชจ๋ธ ์—†์ด ๊ธฐ์กด ์ •์ฑ…์— ์ ์šฉ ๊ฐ€๋Šฅํ•˜๋ฉฐ, ํŠนํžˆ ๋‹ค์ค‘ ์ž‘์—… ํ™˜๊ฒฝ์—์„œ ๋ชฉํ‘œ ๊ฐ„ ๊ท ํ˜•์„ ๋งž์ถ”๋Š” ํŒŒ๋ ˆํ†  ํ”„๋ก ํ‹ฐ์–ด๋ฅผ ์ •์˜ํ•˜๋Š” ๋ฐ ์œ ์šฉํ•ฉ๋‹ˆ๋‹ค.
โ€ข
๋ณธ ์—ฐ๊ตฌ๋Š” ์ตœ์ ํ™”๋œ ๊ณจ๋“  ํ‹ฐ์ผ“์ด ๊ด€๋ จ ์ž‘์—…์—์„œ๋„ ์„ฑ๋Šฅ์„ ํ–ฅ์ƒ์‹œํ‚ฌ ์ˆ˜ ์žˆ์Œ์„ ๋ณด์—ฌ์ฃผ๋ฉฐ, ์žฌ์‚ฌ์šฉ ๊ฐ€๋Šฅ์„ฑ์„ ์‹œ์‚ฌํ•ฉ๋‹ˆ๋‹ค.
โ€ข
๊ณจ๋“  ํ‹ฐ์ผ“์„ ์ฐพ๋Š” ๋ฐ ์‹œ๊ฐ„์ด ์†Œ์š”๋  ์ˆ˜ ์žˆ์œผ๋ฉฐ, ์ตœ์ ์˜ ๊ณจ๋“  ํ‹ฐ์ผ“์˜ ์ผ๋ฐ˜ํ™” ์„ฑ๋Šฅ์ด๋‚˜ ๋‹ค์–‘ํ•œ ๋กœ๋ด‡ ์‹œ์Šคํ…œ ๋ฐ ์ž‘์—… ์œ ํ˜•์— ๋Œ€ํ•œ ์ ์šฉ ๊ฐ€๋Šฅ์„ฑ์— ๋Œ€ํ•œ ์ถ”๊ฐ€์ ์ธ ์—ฐ๊ตฌ๊ฐ€ ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค.
๐Ÿ‘