๋ชฉ๋ก๐Ÿ‘ฉ‍๐Ÿ’ป ์ธ๊ณต์ง€๋Šฅ (ML & DL) (100)

๐Ÿ˜Ž ๊ณต๋ถ€ํ•˜๋Š” ์ง•์ง•์•ŒํŒŒ์นด๋Š” ์ฒ˜์Œ์ด์ง€?

MFCC (Mel Frequency Cepstrum Coefficient) ์Œ์„ฑ ์‹ ํ˜ธ ๋ถ„์„ํ•˜๊ธฐ

https://tech.kakaoenterprise.com/66 AI์—๊ฒŒ ์–ด๋–ป๊ฒŒ ์Œ์„ฑ์„ ๊ฐ€๋ฅด์น ๊นŒ? ์‹œ์ž‘ํ•˜๋ฉฐ ์ธ๊ฐ„์€ ๊ท€๋กœ ๋“ฃ๊ณ , ์ž…์œผ๋กœ ๋งํ•˜์—ฌ ํƒ€์ธ๊ณผ ์˜์‚ฌ์†Œํ†ตํ•ฉ๋‹ˆ๋‹ค. ๋‚˜์™€ ๋Œ€ํ™”ํ•  ์ˆ˜ ์žˆ๋Š” ์กด์žฌ๋ฅผ ์ฐฝ์กฐํ•˜๊ณ  ์‹ถ๋‹ค๋Š” ๋ฐ”๋žŒ์€ ๋งŽ์€ ์‚ฌ๋žŒ๋“ค์ด ์˜ค๋ž˜์ „๋ถ€ํ„ฐ ์ƒ์ƒํ•˜๊ณ , ์†Œ์„ค๋กœ ์“ฐ๊ณ , ์—ฐ๊ตฌํ•ด ์™”์Šต๋‹ˆ๋‹ค. tech.kakaoenterprise.com https://hyunlee103.tistory.com/54 ์˜ค๋””์˜ค ๋ฐ์ดํ„ฐ ์ „์ฒ˜๋ฆฌ (1) Waveform ๋ชจ๋‘์˜ ์—ฐ๊ตฌ์†Œ ์Œ์„ฑ์ธ์‹ ํ’€์žŽ์Šค์ฟจ์—์„œ Introduction to Speech Processing(2E) ์ค‘ acousitc featrure extraction ๋ถ€๋ถ„ ๊ณต๋ถ€ํ•œ ๋‚ด์šฉ์„ ์ •๋ฆฌํ•œ ๊ธ€์ž…๋‹ˆ๋‹ค. ๋˜ํ•œ ํ•œ๊ตญ ์ธ๊ณต์ง€๋Šฅํ˜‘ํšŒ ์˜ค๋””์˜ค ์ฒ˜๋ฆฌ ์„ธ์…˜์—์„œ ๊ณต๋ถ€ํ•œ ๋‚ด์šฉ๋„ hyunlee103.t..

Serial Data ์žฅ์•  ์˜ˆ์ธก/๊ฐ์ง€ LSTM & Conv ๋ชจ๋ธ

๐ŸŸข LSTM (Long Short term Memory) : ์ด์ „ ์‹œ๊ฐ„ ์Šคํ…์„ ์ž…๋ ฅ๊ฐ’์œผ๋กœ ์‚ฌ์šฉํ•ด์„œ ์‹œ๊ณ„์—ด ๋˜๋Š” ์‹œํ€€์Šค์˜ ํ›„์† ๊ฐ’์„ ์˜ˆ์ธก 1) Forget : ๊ณผ๊ฑฐ ์ •๋ณด๋ฅผ ์–ผ๋งˆ๋‚˜ ์œ ์ง€ํ• ์ง€ 2) Input : ์ƒˆ๋กœ ์ž…๋ ฅ๋œ ์ •๋ณด๋ฅผ ์–ผ๋งˆ๋‚˜ ํ™œ์šฉํ• ์ง€ +) ('๊ณผ๊ฑฐ์—์„œ ์œ ์ง€ํ•  ์ •๋ณด' + 'ํ˜„์žฌ์—์„œ ์œ ์ง€ํ•  ์ •๋ณด')๋ฅผ ํ†ตํ•ด ํ˜„์žฌ ์‹œ์ ์˜ cell state๋ฅผ update 3) Output : ๋‘ ์ •๋ณด๋ฅผ ๊ณ„์‚ฐํ•ด ๋‚˜์˜จ ์ถœ๋ ฅ ์ •๋ณด๋ฅผ ์–ผ๋งˆ๋งŒํผ ๋„˜๊ฒจ์ค„ ๊ฒƒ์ธ์ง€ ๐ŸŸขConvolution : ์ปค๋„์„ ์‚ฌ์šฉํ•ด ์›๋ณธ ์ด๋ฏธ์ง€์— ์ปจ๋ณผ๋ฃจ์…˜(convolution)์„ ์ทจํ•˜๋ฉด ํ•„ํ„ฐ์˜ ํŠน์„ฑ์— ๋งž๊ฒŒ ๊ฐ•์กฐ๋œ ์ด๋ฏธ์ง€๋ฅผ ์–ป์Œ ๐ŸŽต ๋ชจ๋ธ ๋™์ž‘ ์›๋ฆฌ 1. epoch : ํ•™์Šต ๋ฐ˜๋ณต ํšŸ์ˆ˜ : ๊ฐ™์€ ๋ฐ์ดํ„ฐ๋ฅผ ๊ฐ€์ง€๊ณ , ๋ฐ˜๋ณต์„ ํ•˜๋ฉฐ loss๋ฅผ ์ค„์—ฌ๋‚˜๊ฐ€๋Š” ๊ฒƒ์ด ๋”ฅ๋Ÿฌ๋‹์˜ ํ•™์Šต ..

์ฝ”๋กœ๋‚˜ ํ™•์ง„ ์˜ˆ๋ฐฉ์„ ์œ„ํ•ด ์‹œ๊ณ„์—ด(Time-Series) ๋ฐ์ดํ„ฐ๋กœ LSTM ์˜ˆ์ธก ๋ชจ๋ธ๋งŒ๋“ค๊ธฐ

221026 ์ž‘์„ฑ https://data-panic.tistory.com/33 [PyTorch] LSTM์„ ํ™œ์šฉํ•œ COVID-19 ํ•ด์™ธ์œ ์ž…ํ™•์ง„์ž ์ˆ˜ ์˜ˆ์ธก ๊ทผ๋ž˜์— ๊ฐ€์žฅ ํฐ ์ด์Šˆ๋ผ๊ณ  ํ•  ์ˆ˜ ์žˆ๋Š” ์ฝ”๋กœ๋‚˜ ๋ฐ”์ด๋Ÿฌ์Šค์— ๋Œ€ํ•œ ํ”„๋กœ์ ํŠธ์ž…๋‹ˆ๋‹ค. ๊ตญ๋‚ด์—์„œ๋Š” 2020๋…„ ์ดˆ๋ถ€ํ„ฐ ๊ตญ๋‚ดํ™•์ง„์ž๊ฐ€ ํ™•์ธ๋˜๊ธฐ ์‹œ์ž‘ํ•ด์„œ ์—ฌ๋Ÿฌ๊ฐ€์ง€ ์ง‘๋‹จ๊ฐ์—ผ ์‚ฌํƒœ๋ฅผ ํ†ตํ•ด ํ™•์ง„์ž๊ฐ€ ๊ธ‰์ฆํ–ˆ์Šต๋‹ˆ data-panic.tistory.com ๐Ÿ“ ์ฝ”๋กœ๋‚˜ ํ™•์ง„ ์˜ˆ๋ฐฉ ํ•ด์™ธ์œ ์ž…ํ™•์ง„์ž์— ๋Œ€ํ•œ ์‹œ๊ณ„์—ด(Time-Series) ๋ฐ์ดํ„ฐ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์˜ˆ์ธก ๋ชจ๋ธ ๋งŒ๋“ค๊ธฐ ๊ฐ€๊นŒ์šด ๋ฏธ๋ž˜์— ๋ฐœ์ƒํ•˜๋Š” ํ•ด์™ธ์œ ์ž… ์‚ฌ๋ก€๋ฅผ ์˜ˆ์ธก 14์ผ์˜ ๋ฏธ๋ž˜๊ฐ’์„ ์˜ˆ์ธกํ•˜๋Š” ๊ฒƒ์ด ํ”„๋กœ์ ํŠธ์˜ ๋ชฉํ‘œ ๋ชจ๋ธ๋ง์—๋Š” PyTorch ๊ธฐ๋ฐ˜ LSTM ๋ชจ๋ธ ๐Ÿ“ ์ฝ”๋“œ ๋ฆฌ๋ทฐ 1๏ธโƒฃ Load libraries import torch import ..

[FuncAnimation] 1. Random ๋ฐ์ดํ„ฐ๋กœ ์‹ค์‹œ๊ฐ„ ๊ทธ๋ž˜ํ”„ ๋งŒ๋“ค๊ธฐ

221021 ์ž‘์„ฑ https://operstu1.tistory.com/97 ์‹ค์‹œ๊ฐ„ ๋ฐ์ดํ„ฐ ๋ฐ˜์˜ ๊ทธ๋ž˜ํ”„ 1. ๊ธฐ๋ณธ ๊ตฌ์กฐ 2. csv ํŒŒ์ผ ์ฝ์–ด๋“ค์—ฌ ๋งŒ๋“ค๊ธฐ 1. ๊ธฐ๋ณธ ๊ตฌ์กฐ ์‚ฌ์šฉํ•œ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ random -> ๋ฌด์ž‘์œ„์˜ ์ˆ˜๋ฅผ ์ƒ์„ฑํ•˜๊ธฐ ์œ„ํ•ด ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค. intertools.count -> 1,2,3... ์ˆœ์ฐจ์ ์ธ ์ˆ˜๋ฅผ ์ƒ์„ฑํ•˜๊ธฐ ์œ„ํ•ด ์‚ฌ์šฉํ•ฉ๋‹ˆ operstu1.tistory.com ๐Ÿ’Ž ๋ฌด์ž‘์œ„ ์ˆ˜๋ฅผ ์ƒ์„ฑํ•ด์„œ ์‹ค์‹œ๊ฐ„ ๊ทธ๋ž˜ํ”„ ๋งŒ๋“ค๊ธฐ 1 anim = FuncAnimation(fig, animate, frames=200, interval=50) Figure ๊ฐ์ฒด ํ”„๋ ˆ์ž„๋งˆ๋‹ค ๋ฐ˜๋ณตํ•ด์„œ ํ˜ธ์ถœํ•  ํ•จ์ˆ˜ ๋ฐ˜๋ณต ๊ฐ€๋Šฅํ•œ ๊ฐ์ฒด๋ฅผ ์ž…๋ ฅ ํ”„๋ ˆ์ž„ ๊ฐ„๊ฒฉ # random ๋ฐ์ดํ„ฐ import random # ๋ฌด์ž‘์œ„์˜ ์ˆ˜๋ฅผ ์ƒ์„ฑ from itertool..