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UniJEPA: Enhancing Robot Policy via Unified Continuous and Discrete Representation Learning

์ž‘์„ฑ์ž
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Jianke Zhang, Yucheng Hu, Yanjiang Guo, Xiaoyu Chen, Yichen Liu, Wenna Chen, Chaochao Lu, Jianyu Chen

๐Ÿ’ก ๊ฐœ์š”

๋ณธ ๋…ผ๋ฌธ์€ ๋ฒ”์šฉ ๋กœ๋ด‡ ์ •์ฑ… ํ•™์Šต์˜ ํ•ต์‹ฌ ๊ณผ์ œ์ธ ๋‹ค์–‘ํ•œ ํ™˜๊ฒฝ์—์„œ์˜ ๋ณต์žกํ•œ ์ž‘์—… ์ˆ˜ํ–‰ ๋Šฅ๋ ฅ์„ ํ–ฅ์ƒ์‹œํ‚ค๊ธฐ ์œ„ํ•ด, ์ดํ•ด(understanding)์™€ ์ƒ์„ฑ(generation) ๋ชจ๋ธ์˜ ์žฅ์ ์„ ํ†ตํ•ฉํ•œ UniJEPA๋ฅผ ์ œ์•ˆํ•œ๋‹ค. UniJEPA๋Š” ์ธํ„ฐ๋„ท ๊ทœ๋ชจ์˜ ์กฐ์ž‘ ๋น„๋””์˜ค ๋ฐ์ดํ„ฐ๋กœ ์‚ฌ์ „ ํ•™์Šตํ•˜์—ฌ ๊ณ ์ฐจ์› ์‹œ๊ฐ ํŠน์ง•์„ ๋™์ ์œผ๋กœ ๋ชจ๋ธ๋งํ•˜๋Š” ๋Šฅ๋ ฅ์„ ํ™•๋ณดํ•˜๋ฉฐ, ์ดํ›„ ๋กœ๋ด‡ ๋ฐ์ดํ„ฐ๋กœ ๋ฏธ์„ธ ์กฐ์ •ํ•˜์—ฌ ์˜ˆ์ธก์  ํ‘œํ˜„์—์„œ ํ–‰๋™ ํ† ํฐ์œผ๋กœ์˜ ๋งคํ•‘์„ ํ•™์Šตํ•œ๋‹ค. ์ด๋ฅผ ํ†ตํ•ด ์‹œ๋ฎฌ๋ ˆ์ด์…˜ ํ™˜๊ฒฝ๊ณผ ์‹ค์ œ ์‹คํ—˜์—์„œ ๊ธฐ์กด ๋ฐฉ๋ฒ•์„ ๋Šฅ๊ฐ€ํ•˜๋Š” ์šฐ์ˆ˜ํ•œ ์„ฑ๋Šฅ์„ ๋‹ฌ์„ฑํ–ˆ๋‹ค.

๐Ÿ”‘ ์‹œ์‚ฌ์  ๋ฐ ํ•œ๊ณ„

โ€ข
์‹œ๊ฐ ์ดํ•ด์™€ ๋™์  ๋ฏธ๋ž˜ ์˜ˆ์ธก ๋Šฅ๋ ฅ์„ ํ†ตํ•ฉํ•œ ์‚ฌ์ „ ํ•™์Šต ๋ฐฉ์‹์ด ๋กœ๋ด‡ ์ •์ฑ… ํ•™์Šต์— ํšจ๊ณผ์ ์ž„์„ ์ž…์ฆํ–ˆ๋‹ค.
โ€ข
์ธํ„ฐ๋„ท ๊ทœ๋ชจ์˜ ๋น„๋””์˜ค ๋ฐ์ดํ„ฐ๋ฅผ ํ™œ์šฉํ•œ ์‚ฌ์ „ ํ•™์Šต์ด ๋กœ๋ด‡์˜ ์ผ๋ฐ˜ํ™” ์„ฑ๋Šฅ์„ ํฌ๊ฒŒ ํ–ฅ์ƒ์‹œํ‚ฌ ์ˆ˜ ์žˆ์Œ์„ ๋ณด์—ฌ์ค€๋‹ค.
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์‹ค์ œ ํ™˜๊ฒฝ์—์„œ์˜ ๋” ๋„“์€ ๋ฒ”์œ„์˜ ์ž‘์—… ๋ฐ ๋ณต์žกํ•œ ์ƒํ˜ธ์ž‘์šฉ์— ๋Œ€ํ•œ ์ ์šฉ ๊ฐ€๋Šฅ์„ฑ์„ ํƒ์ƒ‰ํ•  ํ•„์š”๊ฐ€ ์žˆ๋‹ค.
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