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PatchTST[[patchtst]]

๊ฐœ์š”[[overview]]

The PatchTST ๋ชจ๋ธ์€ Yuqi Nie, Nam H. Nguyen, Phanwadee Sinthong, Jayant Kalagnanam์ด ์ œ์•ˆํ•œ ์‹œ๊ณ„์—ด ํ•˜๋‚˜๊ฐ€ 64๊ฐœ์˜ ๋‹จ์–ด๋งŒํผ ๊ฐ€์น˜์žˆ๋‹ค: ํŠธ๋žœ์Šคํฌ๋จธ๋ฅผ ์ด์šฉํ•œ ์žฅ๊ธฐ์˜ˆ์ธก๋ผ๋Š” ๋…ผ๋ฌธ์—์„œ ์†Œ๊ฐœ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.

์ด ๋ชจ๋ธ์€ ๊ณ ์ˆ˜์ค€์—์„œ ์‹œ๊ณ„์—ด์„ ์ฃผ์–ด์ง„ ํฌ๊ธฐ์˜ ํŒจ์น˜๋กœ ๋ฒกํ„ฐํ™”ํ•˜๊ณ , ๊ฒฐ๊ณผ๋กœ ๋‚˜์˜จ ๋ฒกํ„ฐ ์‹œํ€€์Šค๋ฅผ ํŠธ๋žœ์Šคํฌ๋จธ๋ฅผ ํ†ตํ•ด ์ธ์ฝ”๋”ฉํ•œ ๋‹ค์Œ ์ ์ ˆํ•œ ํ—ค๋“œ๋ฅผ ํ†ตํ•ด ์˜ˆ์ธก ๊ธธ์ด์˜ ์˜ˆ์ธก์„ ์ถœ๋ ฅํ•ฉ๋‹ˆ๋‹ค. ๋ชจ๋ธ์€ ๋‹ค์Œ ๊ทธ๋ฆผ๊ณผ ๊ฐ™์ด ๋„์‹ํ™”๋ฉ๋‹ˆ๋‹ค:

๋ชจ๋ธ

ํ•ด๋‹น ๋…ผ๋ฌธ์˜ ์ดˆ๋ก์ž…๋‹ˆ๋‹ค:

*์šฐ๋ฆฌ๋Š” ๋‹ค๋ณ€๋Ÿ‰ ์‹œ๊ณ„์—ด ์˜ˆ์ธก๊ณผ ์ž๊ธฐ ๊ฐ๋… ํ‘œํ˜„ ํ•™์Šต์„ ์œ„ํ•œ ํšจ์œจ์ ์ธ ํŠธ๋žœ์Šคํฌ๋จธ ๊ธฐ๋ฐ˜ ๋ชจ๋ธ ์„ค๊ณ„๋ฅผ ์ œ์•ˆํ•ฉ๋‹ˆ๋‹ค. ์ด๋Š” ๋‘ ๊ฐ€์ง€ ์ฃผ์š” ๊ตฌ์„ฑ ์š”์†Œ๋ฅผ ๊ธฐ๋ฐ˜์œผ๋กœ ํ•ฉ๋‹ˆ๋‹ค:

(i) ์‹œ๊ณ„์—ด์„ ํ•˜์œ„ ์‹œ๋ฆฌ์ฆˆ ์ˆ˜์ค€์˜ ํŒจ์น˜๋กœ ๋ถ„ํ• ํ•˜์—ฌ ํŠธ๋žœ์Šคํฌ๋จธ์˜ ์ž…๋ ฅ ํ† ํฐ์œผ๋กœ ์‚ฌ์šฉ (ii) ๊ฐ ์ฑ„๋„์ด ๋ชจ๋“  ์‹œ๋ฆฌ์ฆˆ์— ๊ฑธ์ณ ๋™์ผํ•œ ์ž„๋ฒ ๋”ฉ๊ณผ ํŠธ๋žœ์Šคํฌ๋จธ ๊ฐ€์ค‘์น˜๋ฅผ ๊ณต์œ ํ•˜๋Š” ๋‹จ์ผ ๋‹จ๋ณ€๋Ÿ‰ ์‹œ๊ณ„์—ด์„ ํฌํ•จํ•˜๋Š” ์ฑ„๋„ ๋…๋ฆฝ์„ฑ. ํŒจ์นญ ์„ค๊ณ„๋Š” ์ž์—ฐ์Šค๋Ÿฝ๊ฒŒ ์„ธ ๊ฐ€์ง€ ์ด์ ์„ ๊ฐ€์ง‘๋‹ˆ๋‹ค: - ์ง€์—ญ์  ์˜๋ฏธ ์ •๋ณด๊ฐ€ ์ž„๋ฒ ๋”ฉ์— ์œ ์ง€๋ฉ๋‹ˆ๋‹ค; - ๋™์ผํ•œ ๋ฃฉ๋ฐฑ ์œˆ๋„์šฐ์— ๋Œ€ํ•ด ์–ดํ…์…˜ ๋งต์˜ ๊ณ„์‚ฐ๊ณผ ๋ฉ”๋ชจ๋ฆฌ ์‚ฌ์šฉ๋Ÿ‰์ด ์ œ๊ณฑ์œผ๋กœ ๊ฐ์†Œํ•ฉ๋‹ˆ๋‹ค - ๋ชจ๋ธ์ด ๋” ๊ธด ๊ณผ๊ฑฐ๋ฅผ ์ฐธ์กฐํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์šฐ๋ฆฌ์˜ ์ฑ„๋„ ๋…๋ฆฝ์  ํŒจ์น˜ ์‹œ๊ณ„์—ด ํŠธ๋žœ์Šคํฌ๋จธ(PatchTST)๋Š” ์ตœ์‹  ํŠธ๋žœ์Šคํฌ๋จธ ๊ธฐ๋ฐ˜ ๋ชจ๋ธ๋“ค๊ณผ ๋น„๊ตํ–ˆ์„ ๋•Œ ์žฅ๊ธฐ ์˜ˆ์ธก ์ •ํ™•๋„๋ฅผ ํฌ๊ฒŒ ํ–ฅ์ƒ์‹œํ‚ฌ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๋˜ํ•œ ๋ชจ๋ธ์„ ์ž๊ธฐ์ง€๋„ ์‚ฌ์ „ ํ›ˆ๋ จ ์ž‘์—…์— ์ ์šฉํ•˜์—ฌ, ๋Œ€๊ทœ๋ชจ ๋ฐ์ดํ„ฐ์…‹์— ๋Œ€ํ•œ ์ง€๋„ ํ•™์Šต์„ ๋Šฅ๊ฐ€ํ•˜๋Š” ์•„์ฃผ ๋›ฐ์–ด๋‚œ ๋ฏธ์„ธ ์กฐ์ • ์„ฑ๋Šฅ์„ ๋‹ฌ์„ฑํ–ˆ์Šต๋‹ˆ๋‹ค. ํ•œ ๋ฐ์ดํ„ฐ์…‹์—์„œ ๋งˆ์Šคํฌ๋œ ์‚ฌ์ „ ํ›ˆ๋ จ ํ‘œํ˜„์„ ๋‹ค๋ฅธ ๋ฐ์ดํ„ฐ์…‹์œผ๋กœ ์ „์ดํ•˜๋Š” ๊ฒƒ๋„ ์ตœ๊ณ  ์ˆ˜์ค€์˜ ์˜ˆ์ธก ์ •ํ™•๋„(SOTA)๋ฅผ ์‚ฐ์ถœํ–ˆ์Šต๋‹ˆ๋‹ค.*

์ด ๋ชจ๋ธ์€ namctin, gsinthong, diepi, vijaye12, wmgifford, kashif์— ์˜ํ•ด ๊ธฐ์—ฌ ๋˜์—ˆ์Šต๋‹ˆ๋‹ค. ์›๋ณธ์ฝ”๋“œ๋Š” ์ด๊ณณ์—์„œ ํ™•์ธํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

์‚ฌ์šฉ ํŒ[[usage-tips]]

์ด ๋ชจ๋ธ์€ ์‹œ๊ณ„์—ด ๋ถ„๋ฅ˜์™€ ์‹œ๊ณ„์—ด ํšŒ๊ท€์—๋„ ์‚ฌ์šฉ๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๊ฐ๊ฐ [PatchTSTForClassification]์™€ [PatchTSTForRegression] ํด๋ž˜์Šค๋ฅผ ์ฐธ์กฐํ•˜์„ธ์š”.

์ž๋ฃŒ[[resources]]

  • PatchTST๋ฅผ ์ž์„ธํžˆ ์„ค๋ช…ํ•˜๋Š” ๋ธ”๋กœ๊ทธ ํฌ์ŠคํŠธ๋Š” ์ด๊ณณ์—์„œ ์ฐพ์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์ด ๋ธ”๋กœ๊ทธ๋Š” Google Colab์—์„œ๋„ ์—ด์–ด๋ณผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

PatchTSTConfig[[transformers.PatchTSTConfig]]

[[autodoc]] PatchTSTConfig

PatchTSTModel[[transformers.PatchTSTModel]]

[[autodoc]] PatchTSTModel - forward

PatchTSTForPrediction[[transformers.PatchTSTForPrediction]]

[[autodoc]] PatchTSTForPrediction - forward

PatchTSTForClassification[[transformers.PatchTSTForClassification]]

[[autodoc]] PatchTSTForClassification - forward

PatchTSTForPretraining[[transformers.PatchTSTForPretraining]]

[[autodoc]] PatchTSTForPretraining - forward

PatchTSTForRegression[[transformers.PatchTSTForRegression]]

[[autodoc]] PatchTSTForRegression - forward