sau phau ntawv: Ling, Zou; Yias, Chen; Wenjie, Li; Ntxuam, Jing
Tau qhov twg los: Phau Ntawv Qhia Kev Kho Mob thiab Kev Kho Mob Kho Mob, Volume 5, Tooj 7, Kaum Ib Hlis 2015, p. 1499-1503 (5)
Publisher: Miskas Cov Neeg Tshaj Tawm Txog Kev Tshawb Fawb
Abstract:
Hauv daim ntawv no, cov ntawv cim hluav taws xob (electroencephalogram) (EEG) tau sau tseg los ntawm kaum qhov muaj kev noj qab haus huv thiab kaum kev tiv thaiv Is Taws Nem (Is Taws Nem)-cov tub ntxhais kawm hauv tsev kawm qib siab thaum lub sijhawm ua yeeb yam. Ua ntej, cov cim qub tau raug npaj ua ntej kom tshem qee cov khoom cuav uas siv Kev Ntsuam Xyuas Sab Nraud (ICA) cov txheej txheem. Tom qab ntawd, tus Thawj Xib Fwb Kev Tshawb Fawb (PCA) tau ua haujlwm los xaiv ib qho chaw ntawm cov channel uas khaws cov ntaub ntawv feem ntau piv rau tag nrho cov teeb tsa ntawm 64 channel. Thaum kawg, cov yam ntxwv ntawm P300 vuam raug muab rho tawm los ntawm cov xwm txheej ntsig txog cov peev txheej (ERPs) thiab muab piv rau cov hom phiaj ERPs thiab cov hom phiaj tsis yog ERPs, ntxiv rau hla IA pawg thiab pawg tswj hwm. Cov yam ntxwv tau muab coj los siv txuas ntxiv los qhia plaub chav ua haujlwm: Fisher Linear Kev Saib Xyuas Tsis Muaj Cwj Pwm (FLDA), Kev Rov Qab Nkag (BP) Neural Network, Bayesian Classifier (BC) thiab Bayesian Kev Sib Nraub Rov Los Sib Qhia (BRBP) Neural Network. Cov kab ke nquag tau nyob hauv thaj chaw frontal, parietal, occipital thiab parietal-occipital rau ob qho chaw noj qab haus huv thiab IA-kev cuam tshuam cov tub ntxhais kawm hauv tsev kawm. Lub latency ntawm 42 kev sim 'qhov ntsuas qhov nruab nrab ERPs nyob rau hauv lub hom phiaj kev sib tw tau ntev dua li ntawm 558 kev sim' qhov nruab nrab ERPs nyob hauv cov hom phiaj tsis yog (p 0.05), thiab qhov ntau ntawm 42 kev sim 'qhov ntsuas qhov nruab nrab ERPs raws li phiaj hom phiaj tau loj dua li ntawm 558 kev sim' ntsuas qhov nruab nrab ERPs nyob hauv cov hom phiaj tsis yog (p 0.05). Nws pom qhov sib txawv tseem ceeb ntawm P300 qhov ntau ntawm cov ntsiab lus noj qab haus huv thiab kawm ntxiv rau Is Taws Nem. Qhov ntau ntawm Internet ntxiv tau qis dua (p 0.05). Kev faib tawm qhov tseeb tau nce mus txog saum 93% siv Bayesian-raws cov qauv hauv thaj chaw nquag, thaum nws tseem qis dua 90% hauv cheeb tsam nruab nrab. Cov txiaj ntsig tau pom tias muaj qhov tsis zoo rau lub hlwb teb thiab lub peev xwm nco qab ntawm IA-cuam tshuam cov tub ntxhais kawm hauv tsev kawm qib siab. Daim ntawv cuam tshuam nrog cov tswv yim siv digital lim los mus tswj 50 Hz suab nrov siv lub zog lim cov coefficients lim. Cov kua hluav taws xob ceev heev thiab yooj yim ua rau txhawb ob qho tib si yooj yim thiab lub suab sib luag ntawm cov suab nrov nrog cov kab hluav taws xob txawv txawv. Cov paib ECG tiag tiag tau siv los ntsuas qhov ua tau zoo ntawm kev siv hluav taws xob tsis ua haujlwm. Qhov tseeb raug ntsuas rau qhov yooj yim sinusoidal thiab lub voos sib dhos ntawm cov suab nrov.
keywords: CHANNEL UA XA; TXHEEJ TXHEEM RAWS LI TXOJ CAI; QHIA TXOG KEV SIB TXHAWB SIB NTSIB DUA; P300; TXAWV TEBCHAWS
Daim ntawv hom: Tshawb Fawb Lus
DOI: https://doi.org/10.1166/jmihi.2015.1570
Hnub tshaj tawm: Lub Kaum Ib Hlis 1, 2015
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