TRNG I HC BCH KHOAKHOA IN IN T..o0o..BO CO N 2

BO CO N 2GVHD : ThS. Phm ng LmSVTH : L Thanh Phc MSSV : 41002556

GII THUT DTW TRONG NHN DNG TING NI

I. Gii thiu II. DTWIII. Hun luyn

I. Gii Thiu

I. Gii thiu Hai tn hiu m thanh c chui vector:

t = {t1,t2,,tI}

r = {r1,r2,,rJ}

Trong mi ti, rj l 1 vector p chiu.

I. Gii thiu

I. Gii thiuCn chnh thi gian tuyn tnh:

I. Gii thiuNhc im:

Tc niNg iu=> kt qu khng chnh xc

I. Gii thiuCn chnh thi gian ng(DTW):

I. Gii thiuCn chnh thi gian ng(DTW):Cn chnh trn tng on con, ri khp li=> Cc yu t tc ni, ng iu t lm nh hng n kt qu so khp.

I. Gii thiu

I. Gii thiu

II. DTW

CQ CQWarping path wII. DTW Gii thut DTW

II. DTW

S lng ng i v php tnh rt nhiu jsism1n1Time Series BTime Series Ap1pkII. DTWGim khng gian tm kim

II. DTWTnh lin tc: is is-1 1 v js js-1 1

II. DTWTnh n iu: is-1 is and js-1 js

II. DTWRng buc im u cui: i1 = 1, ik = n v j1 = 1, jk = m.nm(1,1)

II. DTWRng buc im u cui: i1 = 1, ik = n v j1 = 1, jk = m.nm(1,1)

II. DTWRng buc ng i ton cc:

III. Hun Luyn

III. Hun Luyn

Qu trnh hun luyn gm 4 bc:m thanh =>MFCC=> khng gian vector AChn M=32 vector codebookS dng phng php DTW so snh khong cch gia cc vector trong A vi codebook sau nhm thnh M cm.Vector codebook l trung bnh ca cc vector trong cng 1 cm.

III. Hun Luyn

Nhn dng

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