第34卷 ,第12期 光 谱 学 与 光 谱 分 析 2014 年 12 月 Spe c t r o s c opyandSpe c t r a lAna l s i s y Vo l .34,No .12, pp32463252 De c embe r,2014 犖狅狀 犇犲 狊 狋 狉 狌 犮 狋 犻 狏 犲犪狀犱犉犪 狊 狋犐 犱 犲狀 狋 犻 犳 犻 犮 犪 狋 犻 狅狀狅 犳犆狅 狋 狋 狅狀 犘狅 犾 犲 狊 狋 犲 狉 狔 犅 犾 犲狀犱犉犪犫 狉 犻 犮 狊犫狔狋 犺犲犘狅 狉 狋 犪犫 犾 犲犖犲 犪 狉 犐 狀 犳 狉 犪 狉 犲 犱犛狆犲 犮 狋 狉 狅犿犲 狋 犲 狉 LIWen x i a1,LIFeng1,ZHAO Guo l i ang1,TANGSh i un2,LIU Xi ao i ng1 j y 1.Schoo lo fMa t e r i a lSc i enc eandEng i ne e r i ng,Be i i ngI ns t i t u t eo fFa sh i onandTe chno l ogy,Be i i ng 100029,Ch i na j j 2.Gene r a lLog i s t i c sDepa r tmen tQua r t e rma s t e rEqu i tI ns t i t u t eo fPeop l e sL i be r a t i onArmy,Be i i ng 100010,Ch i na pmen j 犃犫 狊 狋 狉 犪 犮 狋 As e r i e so f376c o t t on po l s t e r( PET)b l endf ab r i c swe r es t ud i edbyapo r t ab l ene a r i n f r a r ed ( NIR) ye spe c t r ome t e r.A NIRs emi t i t a t i ve l i t a t i vec a l i b r a t i on mode lwa se s t ab l i shedbyPa r t i a lLe a s tSqua r e s quan qua ( PLS)me t hodc omb i nedwi t hqua l i t a t i vei den t i f i c a t i onc oe f f i c i en t.I nt h i sp r o c e s s,PLSme t hodi naquan t i t a t i veana l s i swa sus eda sac o r r e c t i onme t hod,andt hequa l i t a t i vei den t i f i c a t i onc oe f f i c i en twa ss e tbyt hec on y t en to fc o t t onandpo l s t e ri nb l endf ab r i c s.Co t t on po l s t e rb l endf ab r i c swe r ei den t i f i edqua l i t a t i ve l he ye ye ybyt , mode landt he i rr e l a t i vec on t en t s we r eob t a i nedquan t i t a t i ve l t h e m o d e lc a nb eu s e df o rs e m i u a n t i t a t i ve y q i den t i f i c a t i onana l s i s.I nt hec ou r s eo fe s t ab l i sh i ngt hemode l,t heno i s eandba s e l i ned r i f to ft hespe c t r awe r e y e l imi na t edbySav i t zky Go l ay( S G)de r i va t i ve.Thei n f l uenc eo fwavebands e l e c t i onandd i f f e r en tp r e p r o c e s s i ngme t hodwa sa l s os t ud i edi nt hequa l i t a t i vec a l i b r a t i onmode l.Thema o rabs o r t i onbandso f100% c o t t on j p s amp l e swe r ei nt he1400~1600nmr eg i on,andt heonef o r100% po l s t e rwe r ea r ound1600~1800nm, ye t heabs o r t i oni n t ens i t senhanc i ngwi t ht hec on t en ti nc r e a s i ngo fc o t t ono rpo l s t e r.The r e f o r e,t hec o t p ywa ye , ( t on po l s t e r sma o rabs o r t i onr eg i onwa ss e l e c t eda st heba s ewaveband t heop t ima lwaveband 1100~ ye j p 2500nm)wa sf oundbyexpand i ngt hewavebandi ntwod i r e c t i ons ( t hec o r r e l a t i onc oe f f i c i en twa s0 .6,and wave po i n tnumbe rwa s934).Theva l i da t i ons amp l e s we r ep r ed i c t edbyt hec a l i b r a t i on mode l,t her e su l t s showedt ha tt hemode le va l ua t i onpa r ame t e r swa sop t imumi nt he1100~2500nmr eg i on,andt hec omb i na l t i l i c a t i ves c a t t e rc o r r e c t i on (MSC)and me anc en t e r i ng wa sus eda st hep r e p r o t i ono fS Gde r i va t i ve,mu p c e s s i ngme t hod.RC ( r e l a t i ona lc oe f f i c i en to fc a l i b r a t i on)va l uewa s0 .978,RP ( r e l a t i ona lc oe f f i c i en to fp r ed i c t i on)va l uewa s0 .940,SEC ( s t anda r de r r o ro fc a l i b r a t i on)va l uewa s1 .264,SEP ( s t anda r de r r o ro fp r ed i c l uewa s1 .590,andt hes amp l e sr e c ogn i t i ona c cu r a cywa supt o93 .4%.I tshowedt ha tt hec o t t on po l t i on)va s t e rb l endf ab r i c sc ou l dbep r ed i c t edbyt hes emi t i t a t i ve l i t a t i vec a l i b r a t i onmode l. ye quan qua 犓犲 狉 犱 狊 Co t t on po l s t e rb l endf ab r i c s;NIRS;Semi t i t a t i ve l i t a t i ve;PLS ye quan qua 狔狑狅 : / 中图分类号:O657 .3 文献标识码:A 犇犗犐 10 .3964j .i s sn .1000 0593( 2014) 12 3246 07 I n t r oduc t i on t i l ewa s t e.Me anwh i l e,mi l i t a r i f o rmsupg r ade si nr e c en t yun a r s,t hepo s tc onsume run i f o rmsa r eupt odo z enso ft hou ye t ht heimp r ovemen to fpe op l e sl i v i ngs t anda r ds,mo r e Wi s andt onsannua l l i r onmen ti ss e r i ous l f f e c t edby y.Theenv ya , t he s et ex t i l e wa s t e s.The r e f o r e t her e cy c l i ngo ft he wa s t e andmo r ep r e s su r eha sbe en madet ot heenv i r onmen tbyt ex t ex t i l e si simmi nen tt oday.“ Suppo r t i ngt her e cy c l i ngo fwa s t e 犻 狏 犲 犱:2013 11 20;犪 犮 犮 犲狆 狋 犲 犱:2014 03 15 犚犲犮犲 狋 犻 狅狀犻 狋 犲犿:t heNa t i ona lHi chno l ogyRe s e a r chandDeve l opmen tPr og r amo fCh i na ( t he“ 863”Pr og r am)( 2012AA063006),andSc i 犉狅狌狀犱犪 ghTe enc eandTe chno l ogyTr ans f e randI ndus t r i a l i z a t i onPr o e c t so fBe i i ngMun i c i lEduc a t i onCommi s s i on Re c l i ngo ft heTex j j pa yc t i l e Wa s t e si nBe i i ng( 131105) j 犻 狅 狉 犪狆犺狔:LIWen x i a,Fema l e,( 1966—),Ma s t e r,As s o c i a t ePr o f e s s o r,wh i chma i nr e s e a r cha r e ai sf o cusont heapp l i ngo fne a r i n f r a r ed 犅 y 犵 andmi d i n f r a r edspe c t r um e ma i l:l iwenx i a 307@163. c om 第 12 期 光谱学与光谱分析 3247 t ex t i l e s”ha sbe enexp l i c i t l i t t eni n t o“ t he ‘ 12 t hF i ve a r ywr ye ’ ” , P l an o fCh i ne s eTex t i l eI ndus t r tha sbe c omeoneo f y andi app r oa chf o rt hei den t i f i c a t i onf o rt hewa s t et ex t i l e s. t hema o rpo l i cygu i de l i ne si nt ex t i l ei ndus t r nt henex tf i ve j yi het sandc ompo s i t i ono ft ex t i l ewa s t e s a r s.Howe ve r,t ype ye 1 Expe r imen t a l i f f e r en tt ex t i l e sr e i r ed i f f e r en t a r eve r omp l i c a t ed,andd qu yc o rt her e cy c l i ngf a c t o r r egene r a t i ont r e a tmen t s.The r e f o r e,f y, 1 1 Samp l e s i den t i f i c a t i ono fc ompo s i t i ono ft he s ef ab r i c si nar ap i d,non l i edby Zhe i ang Fuyuan Renewab l e Re s ou r c e s Co.,Lt d. p j andShandong Hua f ang Co.,Lt d..Thes amp l e sc ove r eda de s t r uc t i veandr e a l t imewayi sne c e s s a r ti sa l s oanim y.I r t an tgua r an t e ef o rc on t i nuousp r oduc t i onandr ap i ds o r t i ng po , o fwa s t et ex t i l e s.Atp r e s en t mo s tt ex t i l ewa s t e sa r es o r t ed As e r i e so f376c o t t on po l s t e rb l endf ab r i c swe r esup ye av i ngs t r uc t u r eandc o l wi der angeo ft hec o t t onc on t en t,we manua l l tt hed i s advan t ageo fs o r t i ngbyhandi sobv i ous, ybu sucha sl owr e c ogn i t i ona c cu r a cy,h i randf i nan gh manpowe o r s.Thec o t t onc on t en twa st e s t edbyaquan t i t a t i vechemi c a l ana l s i s me t hod (GB/T 2910 .11—2009 “Tex t i l e s Quan t i t a y t i vechemi c a lana l s i s Pa r t11:Mi x t u r eo fc e l l u l o s ef i be rand y ap i d,non de s t r uc t i ve c i a li npu t.NIRt e chn i sa sae a sy,r que l s t e rf i be r( me t hodus i ngsu l f u r i ca c i d).”). po ye ana l s i sme t hodhaveadvanc edd r ama t i c a l l i nc et he1990s. y ys 1 2 NIRspe c t r a I ti sa l s ot hebe s tcho i c et or e a l i z eon l i ne,f a s tandnon de NIRspe c t r um we r eme a su r edonapo r t ab l eSupNIR 1550 NIR spe c t r ome t e r (Fo cus ed Pho t on i e sI nc, Hang zhou, Ch i na)i nd i f f us er e f l e c t anc emodef r om1000~2500nma t s t r uc t i vei den t i f i c a t i on.I t ha s be en wi de l ed i n many y us f i e l ds,i nc l ud i ng pe t r o chemi c a l,ag r i cu l t u r e,t ex t i l e s,f ood, [ 1 5] , l r s pha rma c eu t i c a l sando t he rmed i c a ls c i enc e .I n po yme t e rmso ft ex t i l ema t e r i a l s,i twa sma i n l edt oi den t i f he yus yt [] f i be rt sandp r ed i c tt hef i be rc on t en t.I nou re a r l r k6 ype ywo r e l imi na r den t i f i c a t i ononwoo landc a shme r ewe r ec onduc p yi t ed,bu tt he mode lc ou l d no tbeus edf o rr e a lapp l i c a t i on, s i nc et heamoun to fs amp l e sc o l l e c t edwe r ei nade t e.J ame s qua [] 10nmr e s o l u t i on.The s espe c t r um da t awe r ec o l l e c t edba s ed ont heave r ageo f30s c ans,ands amp l e swe r eme a su r edona PTFE)r e f e r enc ep l a t e.I n wh i t epo l t e t r a f l uo r oen t hy l ene (( y , o r de rt oob t a i nas t ab l espe c t r um t heme a su r i ngt h i ckne s so f t hes amp l e swa sont heba s i so ft h i ckne s so ft hef ab r i cbyaZ heop t ima lt h i ckne s s wa sde t e rmi ned when shapedf o l d i ng,t Rodge r se ta l7 s t ud i edag r oupo f300c o t t on po l s t e rf ab ye r i c swi t hd i f f e r en tc o l o r sandb l endc on t en t,t he NIR r av i g t hespe c t r um s i l s we r es t ab l e,a tt hes amet ime,ba ck gna me t r i cme t hodag r e emen twa swi t h i n ±3% c o t t onf o rne a r l y t r awe r eob t a i nedbyc o l l e c t i ngt hes amp l e sf a c e t o ba ckspe c 90% andh i ro ft heva l i da t i ons amp l e sand wi t h i n ±5% ghe c o t t onf o r95% o ft heva l i da t i ons amp l e s,i tshowedt ha tt he t r um.TheNIRspe c t r ao f376c o t t on po l s t e rf ab r i cs amp l e s ye r oundi n t e r f e r enc ewa se l imi na t ed.Theave r ageo ft hespe c g a r eshowni nF i r e1. gu NIRt e chn i swe r ef e a s i b l ei np r ed i c t i ngt hef i be rc on t en t. que [] ve l oped NIR quan t i t a t i ve c o r r e c t i on WangJ i ng l ie ta l8 de mode lbyPLSme t hodt hr oughs t udy i ng149po l s t e r spend ye exb l endf ab r i c sand279po l s t e r spendexb l endf ab r i cs am ye l e swe r ep r ed i c t ed.Theva r i anc eana l s i sshowedt ha tt he r e p y wa snos i i f i c an td i f f e r enc ebe twe enNIR me t hodandna t i on gn a ls t anda r dme t hod.I nquan t i t a t i veana l s i s,NIRSt e chn i s y que c ou l dbeus edt ode t e rmi nec on t en to ff i be ri nt hec o t t on po l y [ 9 12] , e s t e r and v i s c o s e po l s t e rb l end f ab r i c s . Howe ve r, ye mo s to ft he s es t ud i e sa r ei nt hel abo r a t o r anno tbewe l l yandc 犉 犻 1 犖犐犚狊 犲 犮 狋 狉 犪狅 犳376犮 狅 狋 狋 狅狀 狆狅 犾 犲 狊 狋 犲 狉狊 犪犿狆 犾 犲 狊 犵 狆 狔 [ 13] us edi nt her e l a t edi ndus t r . y , I nt h i spape rc ompo s i t i onso fpo l s t e r c o t t onb l endf ab ye 1 3 犇犪 狋 犪狆 狉 狅 犮 犲 狊 狊 犻 狀犵 r i c swe r ei den t i f i edbyapo r t ab l eNIRspe c t r ome t e r.As emi 1 .3 .1 NIR spe c t r af o rpu r epo l s t e randc o t t onandt he ye t i t a t i ve l i t a t i veNIRana l s i smode lf o rc o t t on po l s quan qua y ye t e rb l endf ab r i c s wa se s t ab l i shedbyt he NIR spe c t r ome t e r, NIRspe c t r ao f100% po l s t e rand100% c o t t onf ab r i c s ye t hes amp l e s we r es o r t ed by KS c l a s s i f i c a t i on sy s t em,t he we r eme a su r edandc ompa r eda sshowedi nF i r e2.I tc anbe gu PLS me t hodandi den t i f i c a t i onc oe f f i c i en t we r e us ed a tt he hespe c t r ap r e p r o c e s s i ng and s amet ime.I nt hep r o c e s s,t e l a t i ve l r o r t i on r eg i ono f1400~1600nmandar ysha pabs p wavebands e l e c t i on we r es t ud i edi no r de rt or educ eo re l imi bando f100% po l s t e rwa si nt her eg i ono f1600~1800 ye na t et hee f f e c t so fnon t a r tf a c t o r sonspe c t r umandimp r ove ge nm.Di f f e r enc e sbe twe ent hetwof ab r i c si nt heabs o r t i on p we r es i i f i c an t,wh i ch wa st hep r e r e i s i t ef o rt hec l us t e r gn qu t hep r ed i c t i veab i l i t obus t ne s so ft hequa l i t a t i vec a l i b r a yandr t i onmode l.Themode lp r ov i dedar ap i d,non de s t r uc t i venew wavebands e l e c t i on s e ent ha tab r oadabs o r t i onbando f100% c o t t onwa si nt he p ana l s i s.Thema o rwavebandso fc o t t onandpo l s t e rwe r e y j ye 光谱学与光谱分析 第 34 卷 3248 s e l e c t eda st heba s e waveband.Theop t ima lwaveband wa s , f oundbyexpand i ngt hewavebandi ntwod i r e c t i ons t hec o r [ ] i ch mi tbec aus edby spe c t r a lba s e l i ned r i f twe r ef ound,wh gh , t hed i f f e r enc ei nt hef ab r i cc o l o r i no r i cpa r t i c l ec on t en t gan r e l a t i onc oe f f i c i en tme t hodandi n t e r va lPLS me t hod14 we r e andl i ts c a t t e r i ngando t he rf a c t o r s.Thee f f e c to ft hespe c gh us edi nt he wavebands e l e c t i on.Ther e su l t s we r eshowni n t r a lba s e l i ned r i f twa sba s i c a l l l imi na t eda f t e rS Gde r i va t i ve ye ( ) i r e4 .Thep r e p r o c e s s i ngme t hodwa ss e l e c t t r e a tmen t F gu F i r e3. gu i chi nc l udedS G edont heba s i so ft heop t ima lwaveband,wh de r i va t i ve,S Gsmoo t h i ng,me anc en t e r i ngand MSCp r e p r o c e s s i ng. 犉 犻 2 犖犐犚犪犫 狊 狅 狉狆 狋 犻 狅狀狊 犲 犮 狋 狉 犪狅 犳100% 狆狅 犾 犲 狊 狋 犲 狉 犵 狆 狔 犉 犻 4 犛 犌犱 犲 狉 犻 狏 犪 狋 犻 狏 犲狊 犲 犮 狋 狉 犪狅 犳狋 狅 狋 犪 犾狊 犪犿狆 犾 犲 狊 犵 狆 犪狀犱100% 犮 狅 狋 狋 狅狀狊 犪犿狆 犾 犲 狊 1 .3 .3 Es t ab l i sh i ngqua l i t a t i vec a l i b r a t i on mode lf o rc o t t on l s t e rb l endf ab r i c s po ye Thes amp l e shavebe ens o r t edbyt he KSc l a s s i f i c a t i on sy s t em,wh i chhavebe end i s t r i bu t edi n t ot hec a l i b r a t i ons e t ( 70% o ft hes amp l e s)andt heva l i da t i ons e t( 30% o ft he s amp l e s).A NIR qua l i t a t i vec a l i b r a t i on mode l wa se s t ab l i shedbyt hePLS me t hodandi den t i f i c a t i onc oe f f i c i en t.The l i t a t i vec a l i b r a t i on mode l wa s ve r i f i ed byt he va l i da t i on qua se va l ua t edbyt hepa r ame t e r sRC,SEC,RP s amp l e s,andwa andSEPva l ue. 2 Re su l t sandDi s cus s i ons 犉 犻 3 犖犐犚狊 犲 犮 狋 狉 犪狅 犳狋 犺 犲狑犪 狏 犲 犫犪狀犱狊 犲 犾 犲 犮 狋 犻 狅狀 犵 狆 犳 狅 狉狆狅 犾 犲 狊 狋 犲 狉 犮 狅 狋 狋 狅狀狊 犪犿狆 犾 犲 狊 狔 2 1 犗狆 狋 犻犿犪 犾狑犪 狏 犲 犫犪狀犱狊 犲 犾 犲 犮 狋 犻 狅狀 Th ec o r r e l a t i onc o e f f i c i e n twa s0 .6,t h ewa v e b a ndwa s1400~1800nm Thewavebands e l e c t i on wa spe r f o rmed byt hei n t e r va l 1 .3 .2 NIR spe c t r ao fc o t t on po l s t e rb l endf ab r i c sand ye spe c t r ap r e p r o c e s s i ng PLSme t hod.The1400~1800nm wavebandwa ss e l e c t eda s t heba s e wavebandand wa sexpandedi ntwod i r e c t i ons.A Theo r i i na lNIRspe c t r a we r ec o l l e c t edandt hei r r e l e g l i t a t i vec a l i b r a t i onmode lf o rc o t t on po l s t e rb l endf ab r i c s qua ye van ti n f o rma t i onandno i s ewe r ee l imi na t edus i ngt hep r e p r o wa se s t ab l i shedbyS Gde r i va t i veandt hei n t e r va lPLS me t h c e s s i ngme t hods. odandt heop t ima lwavebandwa sf oundbyp r ed i c t i ona c cu r a NIR spe c t r ao fc o t t on po l s t e rb l end f ab r i cs amp l e s ye cyo ft he mode l.Ther e su l t so f waveband s e l e c t i on we r e we r eshowni nF i r e1.I tc anbes e ent ha ts omeo ft hespe c gu showni nF i r e3andt hep r ed i c t i onr e su l t s we r eshowni n gu t r um we r eve r imi l a rwh i l eo t he r swe r equ i t ed i f f e r en t.The ys Tab l e1. 犜犪犫 犾 犲1 犜犺 犲狆 狉 犲 犱 犻 犮 狋 犻 狅狀狉 犲 狊 狌 犾 狋 狊狅 犳狑犪 狏 犲 犫犪狀犱狊 犲 犾 犲 犮 狋 犻 狅狀 No . Waveband /nm Pr ed i c t i on Ac cur a c y/% RC SEC RP SEP Fa c t o r Wave i n t po Numbe r 1 2 3 4 5 6 7 1400~1800 1400~2000 1400~2200 1400~2400 1400~2500 1200~2500 1100~2500 77 .4 85 .8 89 .6 87 .7 90 .6 89 .6 91 .5 0 .946 0 .955 0 .967 0 .974 0 .974 0 .975 0 .977 1 .954 1 .790 1 .516 1 .355 1 .348 1 .330 1 .311 0 .989 0 .917 0 .931 0 .934 0 .935 0 .933 0 .934 2 .059 1 .884 1 .710 1 .622 1 .637 1 .623 1 .633 8 8 10 10 10 10 10 333 441 562 695 765 883 934 第 12 期 光谱学与光谱分析 3249 l uewe r e0 .977and0 .934r e spe c i n t s),andRCandRPva po o r r e l a t i ong r apho ft hewavebandnumbe randp r e Thec , d i c t i ona c cu r a cy wa sshowni nF i r e5 wh i ch wa sp l o t t ed gu t i ve l l uede c r e a s edwi t ht hei nc r e a s eo f y.TheSECandSEPva t hewavebandi n1100~2500nm ( 934 wave spo i n t s),SEC andSEPva l uewe r e1 .311and1 .633r e spe c t i ve l y,andSEP f r om Tab l e1. i chshowedt hep r ed i c t i ono f va l uewa sc l o s et o1 .2SEC,wh hebe s t waveband wa s wave mode lwa sgood.The r e f o r e,t l eng t hr eg i ona r ound1100~2500nm ( 934 wave spo i n t s), t her e su l to ft hebe s twavebandwa sshowni nF i r e6. gu 犉 犻 5 犜犺 犲犮 狅 狉 狉 犲 犾 犪 狋 犻 狅狀犵 狉 犪狆犺狅 犳狑犪 狏 犲 犫犪狀犱 犵 狀狌犿犫 犲 狉犪狀犱狆 狉 犲 犱 犻 犮 狋 犻 狅狀犪 犮 犮 狌 狉 犪 犮 狔 r ed i c t i ona c cu r a cybe c ameh i rwi t ht hei nc r e a s e Thep ghe 犉 犻 6 犖犐犚狊 犲 犮 狋 狉 犪狅 犳狋 犺 犲狊 犪犿狆 犾 犲 狊 狑犪 狏 犲 犫犪狀犱狊 犲 犾 犲 犮 狋 犻 狅狀 犵 狆 F i r e5)andt heh i s ta c cu r a cy o ft hewavebandr eg i on ( gu ghe r e a ched91 .5% i nt hes e ven t h waveband.I nt hep r o c e s so f wavebands e l e c t i on,whent hec o r r e l a t i onc oe f f i c i en twa s0 .6, t hewave po i n tnumbe r,e f f e c t i vei n f o rma t i onandt hep r ed i c t i ona c cu r a cy o f mode li nc r e a s ed wi t ht hei nc r e a s eo ft he wavebandr eg i on.I nt hes amet ime,t hemode le va l ua t i onpa r ame t e r sRCandRPva l ue si nc r e a s edt oo.Thec o r r e l a t i ono f c a l i b r a t i ons e tandva l i da t i ons e twa sbe t t e rt hano t he rbands whent hewavebandwa sa r ound1100~2500nm ( 934wave s Thec o r r e l a t i onc oe f f i c i en ti s0 .6,wave i n tnumbe ri s934 po 2 2 犘狉 犲 狆 狉 狅 犮 犲 狊 狊 犻 狀犵犿犲 狋 犺狅犱狊 犲 犾 犲 犮 狋 犻 狅狀 Thespe c t r um we r ep r e p r o c e s s edby me anso ft heS G G smoo t h i ng,me anc en t e r i ngand MSCi nt he de r i va t i ve,S ( r eg i ono f1100~2500nm t hec o r r e l a t i onc oe f f i c i en twa s0 .6 andwave po i n tnumbe rwa s934),t her e su l t swe r eshowni n Tab l e2. 犜犪犫 犾 犲2 犜犺 犲狉 犲 狊 狌 犾 狋 狊狅 犳狆 狉 犲 狆 狉 狅 犮 犲 狊 狊 犻 狀犵犿犲 狋 犺狅犱狊 犲 犾 犲 犮 狋 犻 狅狀 No. Pr e r o c e s s i ng p Pr ed i c t i on me t hods Ac cur a c y/% RC SEC RP SEP Fa c t o r 1 me anc en t e r i ng+MSC 57 .5 0 .776 3 .910 0 .717 3 .395 11 2 MSC 70 .9 0 .855 3 .203 0 .077 12 .609 10 3 S Gsmoo t h i ng+MSC 71 .2 0 .850 3 .244 0 .032 10 .568 10 4 S Gsmoo t h i ng 84 .0 0 .957 1 .750 0 .919 1 .803 10 10 5 me anc en t e r i ng 89 .4 0 .958 1 .720 0 .925 1 .706 6 S Gsmoo t h i ng+me anc en t e r i ng 88 .6 0 .956 1 .757 0 .924 1 .728 10 7 S Gde r i va t i ve 91 .5 0 .957 1 .750 0 .919 1 .803 10 8 S Gde r i va t i ve+MSC 90 .6 0 .975 1 .346 0 .929 1 .672 9 9 S Gde r i va t i ve+S Gsmoo t h i ng 91 .5 0 .974 1 .369 0 .930 1 .707 10 10 S Gde r i va t i ve+me anc en t e r i ng 88 .7 0 .970 1 .491 0 .919 1 .828 9 11 S Gde r i va t i ve+S Gsmoo t h i ng+MSC 91 .5 0 .977 1 .311 0 .934 1 .633 10 12 S Gde r i va t i ve+S Gsmoo t h i ng+me anc en t e r i ng 92 .5 0 .976 1 .342 0 .933 1 .703 10 13 S Gde r i va t i ve+MSC+me anc en t e r i ng 93 .4 0 .978 1 .264 0 .940 1 .590 10 14 S Gde r i va t i ve+S Gsmoo t h i ng+me anc en t e r i ng+MSC 90 .6 0 .978 1 .237 0 .937 1 .578 11 o r r e l a t i ong r apho fp r e p r o c e s s i ng me t hodnumbe r Thec andp r ed i c t i ona c cu r a cy wa sshowni nF i r e7,wh i ch wa s gu RPva l uewe r e0 .978and0 .940r e spe c t i ve l y,SECandSEP va l uewe r e1 .264and1 .590r e spe c t i ve l l uewa sc l o s e y,SEPva l o t t edf r om Tab l e2.Di f f e r en tp r e p r o c e s s i ng me t hodshad p t o1 .2SEC.Theop t imump r e p r o c e s s i ngme t hodwa sS Gde , r i va t i ve MSCc omb i nedwi t hme anc en t e r i ng. d i f f e r en te f f e c t sont hep r ed i c t i ona c cu r a cyo ft hequa l i t a t i ve c a l i b r a t i onmode l.WhenS Gde r i va t i ve,MSCc omb i nedwi t h , , me anc en t e r i ng t hep r ed i c t i ona c cu r a cywa s93 .4% RCand 2 3 犈狊 狋 犪犫 犾 犻 狊 犺 犻 狀犵狋 犺 犲狇狌犪 犾 犻 狋 犪 狋 犻 狏 犲犮 犪 犾 犻 犫 狉 犪 狋 犻 狅狀犿狅犱 犲 犾 Compa r edwi t ht hegene r a lqua l i t a t i vec a l i b r a t i on mode l, 光谱学与光谱分析 第 34 卷 3250 as emi t i t a t i ve l i t a t i ve c a l i b r a t i on mode l wa se s t ab quan qua ( l i shedbyus i ngt hePLS me t hod wh i ch wa susua l l edi n yus Pr ed i c t i onRe s i dua lSqua r edSum)va l uewa sshown PRESS ( t i t a t i veana l s i s)andi den t i f i c a t i onc oe f f i c i en t.Ther o quan y i nF i r e9.Numbe ro fma i nf a c t o r sshou l dbet akeni nt he gu cu r vei n f l e c t i onpo i n t,o rne a rt hei n f l e c t i onpo i n t.Thenum bus t ne s s and p r ed i c t i ve a c cu r a cy o f qua l i t a t i ve c a l i b r a t i on , he mode lc anbee f f e c t i ve l r ovedbyt heme t hod.F i r s t l yimp yt he r e be ro fma i nf a c t o r so ft hecu r vei n f l e c t i onpo i n twa s9,t , , r er e spe c t i ve l e l e c t ed.Ther e su l t s f o r e8 9 10and11 we ys a c t ua lPLS me t hodr e su l t s we r eob t a i nedbyt e s t i ngal a r ge numbe ro fs amp l e s,and t hen t hei den t i f i c a t i on c oe f f i c i en t showedt ha tt heSEPva l uewa st hemi n imum whent hef a c t o r wa s10. t hr e sho l dwe r es e ta c c o r d i ngt ot hea c t ua lc l a s s i f i c a t i ons i t ua t i onandwe r eus edf o rt hea c t ua lp r ed i c ta sshowni nTab l e3. Thep r ed i c t edva l ue s we r er ega r deda sa c c ep t ab l e wh i l et he s e t abs o l u t ede v i a t i ono ft hep r ed i c t edva l ueanda c t ua lva l ue ( va l ue)wa swi t h i n ±2 .5.Thec o r r e l a t i ong r apho fi den t i f i c a t i onc oe f f i c i en tt hr e sho l dsandpo l s t e rc on t en twa sshowni n ye F i r e8. gu 犉 犻 9 犜犺 犲犮 狅 狉 狉 犲 犾 犪 狋 犻 狅狀犵 狉 犪狆犺狅 犳犉犪 犮 狋 狅 狉犪狀犱犘犚犈犛犛狏 犪 犾 狌 犲 犵 o t t on po l s t e rb l endf ab r i c squa l i t a t i vec a l i b r a t i on Thec ye mode lwa sve r i f i edbyt heva l i da t i ons amp l e s.Thec o r r e l a t i on r apho fa c t ua landp r ed i c t edva l ue so fva l i da t i ons amp l e swa s g showni nF i r e10.Ba s edoni den t i f i c a t i onc oe f f i c i en tr ange gu , o fa c t ua landp r ed i c t edva l ue st hec o r r e c t i ono ft hep r ed i c t ed va l ue so ft hes amp l e swa sd i s t i ngu i shed,t hent hep r ed i c t i on a c cu r a cywa sc a l cu l a t ed. 犉 犻 7 犜犺 犲犮 狅 狉 狉 犲 犾 犪 狋 犻 狅狀犵 狉 犪狆犺狅 犳狆 狉 犲狆 狉 狅 犮 犲 狊 狊 犻 狀犵 犵 犿犲 狋 犺狅犱狀狌犿犫 犲 狉犪狀犱狆 狉 犲 犱 犻 犮 狋 犻 狅狀犪 犮 犮 狌 狉 犪 犮 狔 犜犪犫 犾 犲3 犜犺 犲犻 犱 犲狀 狋 犻 犳 犻 犮 犪 狋 犻 狅狀犮 狅 犲 犳 犳 犻 犮 犻 犲狀 狋 狊狋 犺 狉 犲 狊 犺狅 犾 犱 狊 狅 犳犪 犮 狋 狌犪 犾犪狀犱狆 狉 犲 犱 犻 犮 狋 犲 犱狏 犪 犾 狌 犲 Po l s t e r Co t t on ye /% /% Ac t ua l Va l ue Pr ed i c t edVa l ue ( i den t i f i c a t i on c oe f f i c i en t st hr e sho l ds) 7 .5~12 .5 100 0 10 75 25 5 2 .5~7 .5 50 50 0 -2 .5~2 .5 25 75 -5 -7 .5~-2 .5 0 100 -10 -12 .5~-7 .5 犉 犻 10 犜犺 犲犮 狅 狉 狉 犲 犾 犪 狋 犻 狅狀犵 狉 犪狆犺狅 犳狋 犺 犲 犵 犪 犮 狋 狌犪 犾犪狀犱狆 狉 犲 犱 犻 犮 狋 犲 犱狏 犪 犾 狌 犲 l i da t i on s amp l e sp r ed i c t i on r e su l t s we r e showni n Va Tab l e4.I tc an bes e ent ha tt he p r ed i c t i on a c cu r a cy wa s 93 .4% andt hema o r i t ft hes amp l ede v i a t i onswe r ewi t h i n j yo ±2 .5.The99va l i da t i ons amp l e swe r ewi t h i nt hea l l owab l e , r ange wh i l et he7s amp l e s we r eou t s i de.Amongt hes e ven 犉 犻 8 犜犺 犲犮 狅 狉 狉 犲 犾 犪 狋 犻 狅狀 犵 狉 犪狆犺 狅 犳犻 犱 犲狀 狋 犻 犳 犻 犮 犪 狋 犻 狅狀 犮 狅 犲 犳 犳 犻 犮 犻 犲狀 狋 狊 犵 狋 犺 狉 犲 狊 犺狅 犾 犱 狊犪狀犱狆狅 犾 犲 狊 狋 犲 狉犮 狅狀 狋 犲狀 狋 狔 nt hee s t ab l i shmen to faNIRqua l i t a t i vec a l i b r a t i onmod I , e lf o rc o t t on po l s t e rb l endf ab r i c st henumbe ro fma i nf a c ye t o r sne ededt obes e l e c t ed.Thec o r r e l a t i ong r apho ff a c t o rand s amp l e s,5s amp l e sa r ei nt heda r ke rc o l o rwh i chabs o r t i on p bandsa r e we ake r.Ast her e su l t,t he i rspe c t r a ll i ne s we r e s l a sheda swe l l.Al t hought he2s amp l e sa r ei nl i t e rc o l o r gh hey s t i l l exc e eded t he wi t hs t r onge r abs o r t i on bands,t p t hr e sho l dr ange.I ti sve r i ke l ha tt hes amp l e sc on t a i ned yl yt o t he rsubs t anc e swh i che f f e c t sont heNIRr e su l t s,i tne eded t obef u r t he rs t ud i ed. 第 12 期 光谱学与光谱分析 3251 犜犪犫 犾 犲4 犜犺 犲犲 狏 犪 犾 狌犪 狋 犻 狅狀狅 犳狋 犺 犲狇狌犪 犾 犻 狋 犪 狋 犻 狏 犲犮 犪 犾 犻 犫 狉 犪 狋 犻 狅狀犿狅犱 犲 犾 No. C l a s s i f i c a t i on I den t i f i c a t i on c oe f f i c i en t t hr e sho l ds A Po l s t e r ye I n t e r va l d i s c r imi na t i on Ve r i f i c a t i on numbe r Co r r e c t numbe r I nc o r r e c t numbe r Pr ed i c t i on Ac cur a c y/% .5 7 .5~12 Po l s t e r ye 9 8 1 89 64 62 2 97 B Po l s t e r Co t t on ye 2 .5~7 .5 Po l s t e r Co t t on ye (Hi l s t e r) ghPo ye C Po l s t e r Co t t on ye -2 .5~2 .5 Po l s t e r Co t t on ye (Mi xed) 22 19 3 86 D Po l s t e r Co t t on ye -7 .5~-2 .5 Po l s t e r Co t t on ye (Hi t t on) ghCo 2 2 0 100 E Co t t on -12 .5~-7 .5 Co t t on 9 8 1 89 106 99 7 93 .4 To t a l hep r ed i c t i ona c spe c t i ve l l uewa sc l o s et o1 .2SEC,t y.SEPva 3 Conc l us i ons cu r a cyo fva l i da t i ons amp l e swa s93 .4%.I tshowedt ha tt he mode lc anbeus edf o rt hei den t i f i c a t i onf o rc o t t on po l s t e r ye 1)A s emi t i t a t i ve l i t a t i ve NIR ana l s i s mode l ( quan qua y f o rc o t t on po l s t e rb l endf ab r i c swa se s t ab l i shedbyapo r t a ye b l eNIRspe c t r ome t e ri nt he1100~2500nmr eg i on ( t hec o r r e l a t i onc oe f f i c i en twa s0 .6andwave po i n tnumbe rwa s934). b l endf ab r i c s. ( ) 3 Ce r t a i nspe c t r umd i s t o r t i onswe r ef oundandt h i swa s r ega r deda st her e su l to ft hed i f f e r enc e si nt hef ab r i cwe av i ng o l o r a t i onp r o c e s sandva r i ouschemi c a ladd i t i ve s. s t r uc t u r e,c Thes amp l e swe r es o r t edus i ngt heKSc l a s s i f i c a t i onsy s t em The s es l a shspe c t r um we r ed i f f i cu l tt oi den t i f e su l t i ngi na y,r andt hep r e p r o c e s s i ng wa sc a r r i edou tbyus i ngS G de r i va , t i ve MSC me t hodandme anc en t e r i ng.ThePLSme t hodi na l owp r ed i c t i ona c cu r a cyo ft hemode l.Thep r ed i c t i ona c cu r a cy , imp r ovedobv i ous l hes l a shs amp l e swe r er e e c t ed bu t ywhent j t i t a t i veana l s i sme t hodwa sus eda sac o r r e c t i onme t hod. quan y ( 2)Thec o t t on po l s t e rb l endf ab r i c swe r ei den t i f i edby ye t headap t ab i l i t ft hequa l i t a t i vec a l i b r a t i on mode lwa sde yo u r t he rr e s e a r chi sr e i r edt oavo i dt he c r e a s i ng.The r e f o r e,f qu t hemode landt heRCandRPva l uewe r e0 .978and0 .940r e spe c t r umd i s t o r t i on. spe c t i ve l l uewe r e1 .264and1 .590r e y.TheSECandSEPva 犚犲 犳 犲 狉 犲狀犮 犲 狊 [1 ] Mi shr aA R,Ka r imiD,Ehs an iR,e ta l.Tr ans a c t i onso ft heASABE,2012,55 ( 2): 711. 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[ 14] LIU Yan i n.Ch i ne s eJ our na lo fPha rma c eu t i c a lAna l i s,2010,30( 5):968. yun,HU Chang q ys 3252 光谱学与光谱分析 第 34 卷 便携式近红外光谱仪对涤/棉混纺织物的快速无损鉴别 李文霞1,李 枫1,赵国樑1,唐世君2,刘晓英1 1.北京服装学院材料科学与工程学院,北京 100029 2.中国人民解放军总后勤部军需装备研究所,北京 100010 摘 要 利用便携式近红外光谱仪对 376 个涤/棉混纺织物进行研究,利用定量分析模型中 的 偏 最 小 二 乘 法 ( r t i c a ll e a s ts r e s,PLS)作为校正方法,结合涤/棉混纺织物中涤、棉含量设定的定性鉴 别 系 数,建 立 了 pa qua 涤/棉混纺织物的半定量定性 分 析 校 正 模 型。该 模 型 对 涤/棉 混 纺 织 物 进 行 定 性 鉴 别 的 同 时 得 出 其 相 对 含 量,分析结果具有半定量性质。在建模过程中,采 用 Sav i t zky Go l ay 导 数 法,消 除 噪 声 和 基 线 漂 移 对 光 谱 的 影响,并研 究 了 波 段 选 择 和 不 同 预 处 理 方 法 对 定 性 校 正 模 型 的 影 响。纯 棉 的 主 要 吸 收 峰 位 于 1400~1600 nm,纯涤的主要吸收峰位于 1600~1800nm,随着涤或棉含量的增加,其相应的吸收峰强度增强,因此,建 模波段以涤、棉主要吸收峰区间为基本波段,进行双向扩展,得到最佳波长区间 1100~2500nm(相关系数 0 .6,波点数 934)。利用所建校正模型对验证集样本进行预测,结果表明,在 1100~2500nm 处,预处理方 法为 Sav i t zky Go l ay 导数、多元散射校正与均值中心化相结合时,该模型评价参数较 佳,其 中 RC(校 正 集 相 关 系数) 0 .978,RP(验证集相关系数) 0 .940,SEC(校正标准差) 1 .264,SEP(预测标准差) 1 .590,样品预测正 确率达 93 .4% 。表明该定性分析校正模型能够较好地对涤/棉混纺织物进行半定量定性预测。 关键词 涤/棉混纺织物;近红外光谱;半定量定性;PLS (收稿日期:2013 11 20,修订日期:2014 03 15)
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