ࡱ> ZRoot EntryAnN)FileHeaderwDocInfodBodyTextPTN0ZbN !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVXY\Root Entryz )FileHeaderwDocInfodBodyTextiCx  [ !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVXY\W^_`abcdefghijklmnopqrstuvwxyz{|}~ !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[]^_`abcefghijklmnopqrstuvxyz~HwpSummaryInformation.\BinData PrvImage PrvText _LinkDoc} BIN0001.bmpBIN0002.OLE)xSection0]ODocOptions zzScripts zzJScriptVersion |DefaultJScript{I. <Hidden Markov ModelD tǩ\ ōLDŽX \ l A Study on Classification of Continuous Heart Sounds Using Hidden Markov Models Hee-Keun Kim*, Young-Joo Chung* * Dept. of Electronics Engineering, Keimyung University, Taegu 704-701, hk2283@kmu.ac.kr, yjjung@kmu.ac.kr Abstract: Artificial neural networks(ANNs) have been widely used for the automatic classification of heart sound signals. However, in a recent study, we found that the heart sound signal classification using hidden Markov models (HMMs) produced much better results than the artificial neural networks. In both of the classification methods using HMMs and ANNs, the heart sound signals are usually manually segmented to obtain one cycle of the signal for the stable classification performance. However, it is not easy to segment the continuous heart sound signals in real environments. Although there have been some research efforts for the automatic segmentation, the segmentation errors were irrecoverable and as a consequence resulted in performance degrada>GIF89aɻxxxkkk]]]PPPCCC555((( d`LH00`Hذ̘`H0|pdXL@`0H `H0`dHL`H0xp`XH@0d LȰ``HH00dLؘȀ`H0xp`XH@d0L `H0d`LH`H0|pdXL@0`$H`dHL00`HذȘdL0xp`XH@0` HdH0ȳ``HHdL0xp`XH@`0H Ը̰ĠऀؘpȈXxHp@h@d8`8X0xT0pH dxddxd`d`p`|``x`p``x`!, H*\ȰÇ#JHŋ3jȱǏ CIɓ(S\ɲ˗0cʜI͛8sɳϟ@ JѣH*]ʴӧPJJ!WԺP+W(سeUXiu-\X}.XYz{H[4um+}/e\ӛ̍;mW˻؟wꦮ̰v#f:i?9j R#=rJid0lV EKD62 kuU Gg39z"X<܉_@dؗRL& bjR`q}DAAbPߙaF +yd1sv(M?<3Rp)wxŊ6o#jq vB⪾KN ڭbёlQإ\j>Ek~':;̗397ǥhJL=弸:QiU񦤔%Liӹ@7j촟,Wz/Wg+ )li˸G&۽ȢS(JԏQ%&.V)\NT՜&׏>ެ_ӧhљ2hLU^S!d54#XVm焇kL^u?o6T9 udu`:F ~oP`*EZi<修5x%w -d󞉄/Kʱ[/Fk<+ Hkf\6 Λcp@[落|'Mi@JssYHe='es< 2 'yS#kswUFs5t8(z,4$Xe'/M;z9P_jG?>"_X1RLw;̎;Odt^FBmjUey}o>E3K̩R8 JrުS~(c5| 3$JU2*=I7~'oFw\ITzogrz|:b`;[eeuvdeW1i `ir^0Wk}EC|ey_VsZ/(|SMaO*xx%s1luLPw8+iΒc:8b>+hxV\**GW•id>hǁo5XV<]JaUr{dV\xo_BsO}fn2u>CR.I^CGtwpgGvtF)~5r+&dwf>:4{5[Xe}6fngOM%c%Öl7aNxgzfUZ|u^3Aqċggmj"xƉKK{:MHt|re[,gO抠qy4dtgxEGmjܗ@cErՇgVQKfpAxckqT7vږNt#vvYxσwȄM 5ZkUjP)saV!_xkeυsŅ6TmPpDc蓐OxZ'geg|9H(c`Fօa|Ǒߵpoeo&BUCm*p7C6yv$6X) 6P;BNyٚ9Yy;9Yyșʹ`a``a`0x , X d p| Y ] 2002D 6 20| | $ 8:08:09  Ɛ6, 5, 0, 825 WIN6@ |@Cx@ |@@OhUyYl鶴J UJO!Ԋb[+$ťfihMKAC{ ⩇VĖRA҃S=h@ݙ$t}73ޛ٧aX8guQB< x$m3^&10to۰&;aF}Lݘ5~aCOb0FrĄI}-2Ny4HNAx7^tS~IdMhHdcMWQ7I)D{Dhi^RUU$&@Kd]Tt|$2\dtE-1aeKMa!.5!V3\l F"{f`Wʰ í0Dðn"a39d5bSb̰nb|f3C3Ce8bMv6!b0]cEO0< +pkZh iaxbC k5a:11aC3aV=!~ea0Z/sZq=6Y8uz^ CZ6;O N0e >uR[/ +.<-Y<ҐŘ\ů%,m1Vt%鑓)X""̲ctZS-ơHWP Document File!c``@nncd`߈ever, it is not easy to segment the continuous heart sound signals in real environments. 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