-
This article was downloaded by:[CDL Journals Account]On: 1 March
2008Access Details: [subscription number 789921172]Publisher:
Taylor & FrancisInforma Ltd Registered in England and Wales
Registered Number: 1072954Registered office: Mortimer House, 37-41
Mortimer Street, London W1T 3JH, UK
Progress in Natural SciencePublication details, including
instructions for authors and subscription
information:http://www.informaworld.com/smpp/title~content=t713724104
Feature combination for classifying single-trial ECoGduring
motor imagery of different sessionsWei Quigguo ab; Meng Fei a; Wang
Yijun a; Gao Xiaorong a; Goa Shangkai aa Department of Biomedical
Engineering, School of Medicine, TsinghuaUniversity,Beijing, Chinab
Department of Electronic Engineering, School of Information,
Nanchang University,Nanchang, China
Online Publication Date: 01 July 2007To cite this Article:
Quigguo, Wei, Fei, Meng, Yijun, Wang, Xiaorong, Gao andShangkai,
Goa (2007) 'Feature combination for classifying single-trial ECoG
duringmotor imagery of different sessions ', Progress in Natural
Science, 17:7, 851 - 858To link to this article: DOI:
10.1080/10002007088537482
URL: http://dx.doi.org/10.1080/10002007088537482
PLEASE SCROLL DOWN FOR ARTICLE
Full terms and conditions of use:
http://www.informaworld.com/terms-and-conditions-of-access.pdf
This article maybe used for research, teaching and private study
purposes. Any substantial or systematic
reproduction,re-distribution, re-selling, loan or sub-licensing,
systematic supply or distribution in any form to anyone is
expresslyforbidden.
The publisher does not give any warranty express or implied or
make any representation that the contents will becomplete or
accurate or up to date. The accuracy of any instructions, formulae
and drug doses should beindependently verified with primary
sources. The publisher shall not be liable for any loss, actions,
claims, proceedings,demand or costs or damages whatsoever or
howsoever caused arising directly or indirectly in connection with
orarising out of the use of this material.
http://www.informaworld.com/smpp/title~content=t713724104http://dx.doi.org/10.1080/10002007088537482http://www.informaworld.com/terms-and-conditions-of-access.pdf
-
Dow
nloa
ded
By:
[CD
L Jo
urna
ls A
ccou
nt] A
t: 00
:56
1 M
arch
200
8
!"#$"%&&’(()*+"),&-’%(-% !"#$%&,’"$&,()#*
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!+,,&
"-).."/0123*’405"64#’40)/4#-7516718")62405"6"9:;564(,C%,,%)""D"E;"F7"//1G."621671G;")#231422/1GG12$HIF45#:BGJI214!0G56B;)4$12)$76
!"#$%&"’()*+,#$+(,-(&’.#//+-0+,1/+,1."2$&+#.34(56%&+,1)($(&+)#1"&0(-6+--"&",$/"//+(,/"
K15L56BB)"%,+,M16B815%,K46BN5A)6%,>,,+U,:;564)
V771.012"6P171F31/S,+,,=
7*/$’$
D;156.)0G5B64#G"93/456I7"F.)01/5601/9471G(@:TG)F4*31150;1/G74#.1#170/"1671.;4#"B/4F(HH
-
Dow
nloa
ded
By:
[CD
L Jo
urna
ls A
ccou
nt] A
t: 00
:56
1 M
arch
200
8
! "#$%&’&(&)*
!"#$%&’’(%#)*("#$""#’’+’,-".)(,/0’/$0$1".)($(2’3’(.4$5.($".)()64)3’4’("%0’%-7".(%.4.7$0,#$(5’%)6&0$.(%"$"’
[8,9]:;)3’4’("10’7$"’2/)"’(".$7%(;(,#0)(.?$1".)((@%.)7)5.,$7/#’1()4’($"#$"$0’$,".3$"’2&>7.4&4)3’4’(")0.4$51.(’24)3’4’(":;.%%-’)6"#’/0’%’(",)4/’".".)("$%G.%"#$""#’"0$.(.(5%’"$(2"’%"%’",$4’60)42.66’0’("%’%%.)(%*."#$&)-")(’*’’G.(&’"*’’(:E#-%,"#’,)00’%/)(2.(5&0$.(%"$"’%4$>2.66’0:H.5:I%#)*%"#’$3’0$5’2$4/7."-2’%/’,"0$)6$77"0.$7%60)4’$,#"$%G(4)")0.4$5’0>)6’."#’07’6"7.""7’6.(5’0)0")(5-’).("#’"0$.(.(5%’"$(260)4&)"#"$%G%.("#’"’%"%’")(.(2.3.2-$7,#$((’7%:J.(,’"#’,-03’60)4"#’"’%"%’".%"#’$3’0$5’2$4/7."-2’%/’,"0$)6"#’"*)"$%G%,."%#)-727.’&’"*’’("#’"*),-03’%60)4"#’"0$.(.(5%’".6"#’%-&K’,"’%&0$.(%"$"’2.2()",#$(5’:L)*’3’0,$%%#)*(.("#.%6.5-0’,"#’$3’10$5’2$4/7."-2’%/’,"0-4)6"’%"%’".%6$0$&)3’"#$")6"#’"0$.(.(5%’":E#.%.4/7.’%"#$""#’&0$.(%"$"’)6"#’%-&K’,"3$0.’2%.5(.6.,$("7>60)4"#’"0$.(.(5%’%%.)(")"#’"’%"%’%%.)(:
H.5:I:
E#’$3’0$5’24$5(."-2’%/’,"0$)6$77"0.$7%60)4’$,#"$%G(4)")0.4$5’0>)6’."#’07’6"7.""7’6.(5’0)0")(5-’).("#’"0$.(.(5%’"$(260)4&)"#"$%G%.("#’"’%"%’")(.(2.3.2-$7,#$(1(’7%:J.(,’"#’,-03’60)4"#’"’%"%’".%"#’$3’0$5’24$5(."-2’%/’,"0$)6"*)"$%G%,."%#)-727.’&’"*’’("#’"*),-03’%60)4"#’"0$.(.(5%’".6"#’%-&K’,"’%&0$.(%"$"’2.2()",#$(5’:
M-0,)(%.2’0$".)(6)0"#.%/0)&7’4*$%,.6"#’%/$".$72.%"0.&-".)()6&0$.(’7’,"0.,$,".3.">)6"#’
%-&K’,"2.2()",#$(5’.("#’"*)%’%%.)(%,*."#"#’%)7’.(,0’$%’)02’,0’$%’.(4$5(."-2’,"#.%4.5#"()"/)%’$%’0.)-%/0)&7’4:E#-%,"#’6)77)*.(5$($7>%.%*$%&$%’2)("#.%$%%-4/".)($(2."%3$7.2.">%#)-72&’,)(6.04’2&>"#’0’%-7")6"#’$($7>%.%:E#’.41/$,")6"#’4$5(."-2’,#$(5’)(,7$%%.6.,$".)(,$(&’$77’3.$"’2&>()04$7.?.(5"#’6’$"-0’%-%’26)0,7$%%.6.1,$".)(:!($22.".)(,"#’,)4&.($".)()64-7"./7’6’$1"-0’%4.5#",)("0.&-"’").(,0’$%.(5,7$%%.6.,$".)($,1,-0$,>:
M-0/0),’2-0’%)6,7$%%.6>.(5%.(57’1"0.$7@F)B0’,)02’22-0.(54)")0.4$5’0>)6"#’7’6"7.""7’6.(5’0)0")(5-’*."#%’%%.)(1")1%’%%.)("0$(%6’0$0’%-44$10.?’2.(H.5:N:!",)(%.%"%)6"#’6)77)*.(5%"’/%:
I)E#’4-7".,#$((’7@F)B*$%/0’/0),’%%’2&>0’2-,.(5"#’%$4/7.(50$"’,%’7’,".(5$%-."$&7’0’6’01’(,’$(2.("’0,’/".(5"#’$,O-.0’2%’O-’(,’;
N)"*)2.66’0’("60’O-’(,>&$(2%*’0’%’7’,"’2"))&"$.(;&$(2%:E*)6’$"-0’%*’0’2’0.3’2&>,)44)(%/$".$7%-&%/$,’2’,)4/)%.".)((FJJA)$(2H.%#’02.%,0.4.($("$($7>%.%(HAR),$(2"#’"#.02)(’*$%)&"$.(’260)4"#’4’$(3$7-’)6%$4/7’/).("%$(2HAR;
S)"#’%’"#0’’6’$"-0’%*’0’,)(,$"’($"’2$(26’2.(")$7.(’$0%-//)0"3’,")04$,#.(’(JT;)6)0,7$%%.6.,$".)(:
@$,#)6"#’%’%"’/%.%2.%,-%%’2.(4)0’2’"$.7.("#’6)77)*.(5%’,".)(%:
I:I A$"$$,O-.%.".)($(2/0’/0),’%%.(5
A-0.(5"#’UF!’+/’0.4’(",$%-&K’,"#$2")/’06)04.4$5.(’24)3’4’("%)6’."#’07’6"%4$776.(15’0)0")(5-’:E#’’7’,"0.,$7&0$.($,".3.".’%*’0’,)717’,"’22-0.(5"#’%’"0.$7%-%.(5$(CVC@F)B/7$"1.(-4’7’,"0.2’50.2*#.,#*$%/7$,’2)("#’,)("0$7$"1’0$7(0.5#")4)")0,)0"’+:@$,#"0.$7*$%0’,)02’26)0Q%2-0$".)($(2$770’,)02.(5%*’0’/’06)04’2*."#$%$4/7.(50$"’)6IPPPL?:R6"’0$4/7.6.,$".)("#’0’,)02’2/)"’(".$7%*’0’%")0’2$%4.,0)3)7"3$7-’%:E#’5.3’(2$"$%’".(,7-2’%$"0$.(.(5%’")6N9C"0.$7%*."#7$&’7%$(2$(-(7$&’77’2"’%"%’")6IPP"0.$7%:R2’"$.7’22’%,0./".)()6"#’A$"$J’"!.(UF!F)4/’".1".)(!!!,$(&’6)-(2.([Q,W]:
NWC ***:"$(26:,):-G/K)-0($7%
=0)5!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
0’%%.(X$"-0$7J,.’(,’ T)7:I9X):9 NPP9
-
Dow
nloa
ded
By:
[CD
L Jo
urna
ls A
ccou
nt] A
t: 00
:56
1 M
arch
200
8
!"#$%$
&’()*+,’*-.(’)/0--".1"2#-"2#/*34’"0/56(7+,’"2#8(4(’"80#*’1(./*.4/"44/*."2#*’(’4(2#,*9"4:-*--"(234(3-*--"(24’02-.*’$
;:*#">?("24-B1+*)"804"(2$;(*2:02)*4:*+"..*’*2)*-B*49**24:*-*49(40-C-02+’*+,)*4:**..*)4(.0’4".0)4-,)(88(20]90-,-*+4(’*3’*.*’*2)*4:*’*3-08?/*++040$
D4"8*9"2+(990-0??/"*+4("24*’)*?44:*+040-*#8*24.’(84:*=F-44(%G>4:?("24-.(’.,’4:*’020/1-"-$D--:(92"2!"#$=,4:*)/0--".")04"(2?*’3.(’802)*+*?*2+-,?(24:*-*/*)4"(2(.+040-*#8*24,-*+.(’)/0--".")04"(2$!"#$=(0)-:(9-4:*’*/04"(23-:"?B*49**2)/0--".")04"(20)),’0)1(..*04,’*!%(+*3."2*+"24:*.(//(9"2#-*)4"(2)02+4:*-40’4"2#?("24(.4"8*9"2+(9.(’020/1-"-,9:"/*4:**2+"2#?("24"-."H*+04=>>$!"#$=(B)"//,-4’04*-4:*’*/04"(2-:"?B*49**2)/0--".")04"(20)),’0)1(.!%02+4:**2+"2#?("24(.4:*4"8*9"2+(9,9:"/*4:*-40’4"2#?("24"-."H*+04F$;:*(’"#"20/4’0"2"2#-*490-’02+(8/1-?/"4"24(-,B-*4-.(’4’0"2"2#02+4:?("24)9(,/+80C*)/0--".")04"(20)),’03)1+*)’*0-*02+,2-40B/*$I*2)*4:*4"8*-*’"*-(.%%>?("24-(=F-4—%G>4:?("24)9*’*):(-*2.(’.*034,’**H4’0)4"(24(*2-,’*:"#:)/0--".")04"(20)),’0)1$
F$% !*04,’**H4’0)4"(2
!*04,’**H4’0)4"(2"-0)’,)"0/-4*?"2?044*’2’*)(#2"4"(2$;:*)/0--".")04"(2?*’.(’802)*80"2/1+*?*2+-(29:*4:*’(2**H4’0)4-4:*8(-4+"-)’"8"2034"—=
=GM&’(#’*--"2N04,’0/O)"*2)* P(/$FLN($L %>>L
999$402+.$)($,C/Q!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
(,’20/-
-
Dow
nloa
ded
By:
[CD
L Jo
urna
ls A
ccou
nt] A
t: 00
:56
1 M
arch
200
8
!")#$%&’(’)&**+&,$-./01$2-,%1;
3)&4’5’,-*#./01$2-,%16,1(’5*7’)&*$-89(’,1’&4’1$2-,%)$##’(’-9’+’&6’’-&4’&6*&,1:1;
;)&6*1??@A1$-2&(,$-$-2),&,,,-),
-
Dow
nloa
ded
By:
[CD
L Jo
urna
ls A
ccou
nt] A
t: 00
:56
1 M
arch
200
8
!"#$%’()(*%+,-*..+*)!.(!,$%#+,-(*/’#0$*.,%+(.(/#(1(.(/#0,1(+23’(+((.(/#0,1(+4(0(+(.(/#(1*/5/,01$%,*6(0*&(1!,4(01$--(0(%/(,-#0$*.+7(#4((%#’(#4,#*+8+,%(*/’(.(/#0,1(23’"+*-(*#"0(6(/#,0,-9:1$)(%+$,%+!;
-
Dow
nloa
ded
By:
[CD
L Jo
urna
ls A
ccou
nt] A
t: 00
:56
1 M
arch
200
8
!"#$%$%&’(!,!)!"#$%*+,!$-,(.)*-)%(%!.,#’’$/$("’#%0!1(/$%#,.,#’’$/$.#!$)%0(.$’$)%$’2#’(0)%!1(3)!()/(#.1.)*-)%(%!.,#’’$/$("45-(.$/$.#,,6,789)/!"#$%$%&’#*-,(’:("(0"#:%"#%0)*,6(#.1!$*(!).)%’!"+.!)%(5;*$%(0263)!$%&)/!1(’(=88.,#’’$/$("’4@#&&$%&:#’#0)-!(0!)#3)$0+%’!#2,(.,#’’$/$.#!$)%"(’+,!’.#+’(026!1(-("/)"*#%.(3#"$#!$)%)/.,#’’$/$("’)2!#$%(0/")*0$//("(%!,(#"%$%&’(!4A$&4B’1):’!1(.,#’’$/$>.#!$)%"(’+,!’)/!1(!"#$%$%&’(!#%0!(’!’(!/")*)%(5;%$F("’)%!1(:(2’$!([G]4?1$’"(’+,!"#%C’/$"’!#*)%&HI.)%!"$2+!$)%’/")*!1(:1),(:)",04?#C$%&$%!)#..)+%!!1#!!1((,(.!")0(&"$0:#’%)!-,#.(0/)"@JK’,!1(’+2L(.!0$0%)!"(.)3("!)!#,,6/")*$*-,#%>!#!$)%)-("#!$)%,#%0*)"($*-)"!#%!,6,!1(0#!#’(!:#’0("$3(0/")*0$//("(%!’(’’$)%’,!1(.,#’’$/$.#!$)%#..+"#.6.)+,02(’#$0!)2(1$&14
! "#$%&$$#’(
?1($’’+()/’(’’$)%>!)>’(’’$)%!"#%’/("$’)/&"(#!$*-)"!#%.(/)"@JK"(’(#".1#%0/)".)%’!"+.!$%-"#.!$.#,@JK’6’!(*4M$!1)+!!1(#2$,$!6)/’(’’$)%>!)>’(’’$)%!"#%’/(",@JK’1#3(!)+-0#!(!1(#,&)"$!1*/")*!$*(!)!$*(,:1$.1$’!")+2,(’)*(#%0:$,,*#C(@JK’0$//$.+,!/)"-"#.!$.#,+’(4
D/!("!1(0$’.,)’+"()/!(’!’(!,#2(,’,:("(>.,#’>’$/6!1(!(’!0#!#+’$%&’$%&,(/(#!+"(’4?1(.,#’’$/$.#>!$)%#..+"#.6$’IN9,OI9#%0GG9/)"!=,!H#%0!N"(’-(.!$3(,64?1(’$&%$/$.#%!0(."(#’()/!1(#..+>"#.6"#!(’)//(#!+"(’!=#%0!N/")*!1(!"#$%$%&’(!!)!(’!’(!(’((?#2,(=)’+&&(’!’!1#!!1(/(#!+"(’0(>"$3(0/")*-)%(%!’)/!:)!#’C’$%0$//("(%!’-#!$#,-#!!("%’4K/!1(’-#!$#,0$’!"$2+!$)%’)/!1(’(2"#$%’$&%#,’0)%)!.1#%&($%0$//("(%!’(’’$)%’((4&4RPS’$&%#,’),!1(*(!1)0.#%&$3(&))0.,#’’$/$.#!$)%"(’+,!4W):(3(",$/!1(60)3#"6/")*)%(’(’’$)%!)#%)!1("((4&4
TGO :::4!#%0/4.)4+C/L)+"%#,’
Q")&!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
"(’’$%X#!+"#,5.$(%.( ;),4=IX)4I H88I
-
Dow
nloa
ded
By:
[CD
L Jo
urna
ls A
ccou
nt] A
t: 00
:56
1 M
arch
200
8
!"#$%&’()$),*+,-)($$%.%-(*%/’0,1./12(’-,3%))4,5-1,($,$%&’%.%-(’*)67
8%&797
:+,2/$*%20/1*(’*$0(*%()0(**,1’$/.;"1(%’$%&’()$.1/2*+,*1(%’5%’&$,**/*+,*,$*$,*-(?$,4*+,-)($$%.%-(*%/’)%’,/.$%’&),.,(*?1,$*/$+%.**/3(14$/’,*($@/’*+,*,$*$,*7:+,)(>,)1(*%//.*3/*($@$6%,)4,4>6!A-)($$%.%5-(*%/’%$BC/9A,3+%),*+(*>6!D-)($$%.%-(*%/’%$9E/FE7:+?$*+,-)($$%.%-(*%/’(--?1(-6/’*+,*,$*$,*3/?)44,-1,($,$%&’%.%-(’*)6%./’)6$%’&),.,(*?1,$3,1,,20)/6,47G/3,=,1,4%..,1,’*.,(*?1,$(1,-/250),2,’*(16(’4*+,%1-/2>%’(*%/’-(’>()(’-,*+,$+%.*/.-)($$%.%-(*%/’)%’,7:+,.%’())(>,)1(*%/HA/FC/.*+,*3/*($@$01/=,4*+,>,’,.%*/..,(*?1,-/2>%5’(*%/’7I’(44%*%/’,*+,>,$*-)($$%.%-(*%/’(--?1(-6/.$%’&),.,(*?1,%$JKL/’*+,*,$*$,*,3+%),-)($$%.%-(5*%/’(--?1(-6/.*+,-/2>%’(*%/’/.*+1,,.,(*?1,$%$CAL3+%-+.?1*+,1=,1%.%,$*+,(4=(’*(&,/..,(*?1,-/2>%’(*%/’7
I’/14,1*/&,**+,>,$*-)($$%.%-(*%/’1,$?)*,*,250/1(),.1,M?,’-6(’4$0(*%()-+(1(-*,1%$*%-$2?$*>,-/’$%4,1,4$%2?)*(’,/?$)67:+,$,),-*%/’$/.*%2,3%’4/3,.1,M?,’-6>(’4(’4,),-*1/4,$2?$*2,,**+,’,,4/.-/’*1%>?*%’&*/%’-1,($,4-)($$%.%-(*%/’(-5-?1(-67:+,$,),-*%/’/.*%2,3%’4/3+($>,,’4%$5-?$$,4%’4(*(01,01/-,$$%’&$,-*%/’7I’.1,M?,’-64/52(%’,*+,%’.)?,’-,/..1,M?,’-6>(’4/’*+,-)($$%.%5-(*%/’(--?1(-6/.!A(’4!B%$*1%=%(),3+%),*+(*/’-)($$%.%-(*%/’(--?1(-6/.!D%$$%&’%.%-(’*7N,*,$*,4$,=,1()4%..,1,’*$?>>(’4$./1,(-+.,(*?1,(’4*+,/05*%2().1,M?,’-6>(’4$3,1,E—BGO./1.,(*?1,$!A(’4!B,(’4J—BEGO./1.,(*?1,!D7
P0(*%()-+(1(-*,1%$*%-$$+/?)4()$/>,*1,(*,4-(1,5.?))67:+,,Q*1(-*%/’/.!B4,0,’4,44%1,-*)6/’,),-5
*1/4,$,),-*%/’,3+%),*+,-+/%-,/.$0(*%()0(**,1’$/..,(*?1,$!A(’4!D+(4&1,(*,..,-*/’-)($$%.%-(*%/’0,1./12(’-,7I./0*%2(),),-*1/4,$/1$0(*%()0(**,1’$3,1,’/*-+/$,’01/0,1)6,*+,-)($$%.%-(*%/’(--?1(-63/?)4+(=,4,&,’,1(*,478,(*?1,$!A(’4!D3,1,,Q5*1(-*,4>6RPP,?’5’,-,$$(167
:+,+%&+-)($$%.%-(*%/’(--?1(-64,2/’$*1(*,$*+(*;R/T5>($,4SRI$+(=,&1,(*0/*,’*%()/.(00)%-(5*%/’(’4*+,01/>),2/.$,$$%/’5*/5$,$$%/’*1(’$.,12(6’/*>,(’%’*1(-*(>),/’,7
!"#$%&’()*+($,-
:+,(?*+/1$3/?)4)%@,*/*+(’@*+,-/20,*%*%/’/1&(’%O,1$./101/=%4%’&4(*(7:+,63/?)4()$/)%@,*/,Q*,’4$0,-%()*+(’@$*/#1/.7U(’&8?$+,’&./1(=,16%’5./12(*%=,4%$-?$$%/’(’4+%$=()?(>),-/22,’*$,(’4*/(?2,1W,!-8(1)(’4NV,,*()7S1(%’5-/20?*,1%’*,1.(-,*,-+’/)/&6:X1,=%,3/.*+,.%1$*%’*,1’(*%/’()2,,*%’&7I;;;:1(’$7",+(>%);’&,DEEE,J(D):A9F—AKB
D
N/)0(3V",S%1>(?2,1W,!-8(1)(’4,1&,1:,N%42(’T,,*()7!,*+/4$*/3(14$%’5=($%=,+?2(’>1(%’-/20?*,1%’*,1.(-,$7I’:X4=(’-,$%’W,?1()I’./12(*%/’#1/-,$$%’&P6$*,2$7R(2>1%4&,:!I:#1,$$,DEEH,AK:KBK—KFF
F
Y,?*+(14*;R,P-+()@T,N/)0(3V",,*()7X>1(%’5-/20?*,1%’5*,1.(-,?$%’&,),-*1/-/1*%-/&1(0+%-$%&’()$%’+?2(’$7VW,?1();’&,DEEF,A:9B—KA
H
+**0://%4(7.%1$*7.1(?’+/.,174,/01/Z,-*$/>-%/-/20,*%*%/’[%%%9
#/11/RX,81(’-,$-(*/!#,/4650(1*5$0,-%.%-2/*/11,01,$,’*(*%/’$7VW,?1/0+6$%/),DEEB,CE:BBEF—BBA9
J :/1/R,
-
Dow
nloa
ded
By:
[CD
L Jo
urna
ls A
ccou
nt] A
t: 00
:56
1 M
arch
200
8
!!
"#$%&,’()%*#$+,-.()%/012332$45#67#849:45#-(+(-23;5247672$#5587(+62#$#8-2$+7672$4:#47398#672$469+