ᑕϡ፟ጡෛᛇٺ IC Β྅୧გᄦ̝ቢ˯ᑭീ
ౘߌฯ അྈᝋ
̂ཧ̂ጯ፟ୠᄃҋજ̼̍ጯր
ၡ! ࢋ
ώ͛ࢋ੫၆ IC Β྅୧გᄦ൴ण˘ቢ˯፟ୠෛᛇҋજᑭീրĂ֭ࡁ
൴ᇆညநԫఙΒ߁ᇆညؠҜăᇆညͧ၆ăᇆည̶ᙷ͎̈́̇ณീඈĂͽᑭീ IC टळ̝̙։ݡĂ྿זቢ˯ҋજ̼Бᑭ̝ϫ۞ĄIC Β྅୧გ̝৵Մࠎͯېሤ
ّՄफ़ĂϤٺՄफ़ώ̝֗ሤණҽᒺٕΐሤ̙πӮĂົౄјटळܑࢬΌౝٕΎ
ଐԛ൴ϠĄ̙։ݡᑭീ̶ล߱ซҖĂௐ˘ล߱Ӏϡᇆညͧ၆͞ёĂགྷϤޞീ
ۏᄃᇾۏઇᇆည࠹ഴĂͽᑭീ IC टळܑࢬ̝༂ஷݡĂ֭ͽࢍ̝͞ёපפ ѩ࠹ഴᇆည̝পᇈࣃĂࢫҲᇆညந̝ኑᗔޘĂ੫၆ѩ࠹ഴᇆညώ͛೩ࢍ
ᄦăFuzzy C-mean(FCM) RBF ᙷৠགྷშྮˬ͞ڱֽᕩᙷѩ࠹ഴᇆညࠎ։
ݡٕ̙։ݡĂ֭ͧྵѩˬ͞ڱ۞ᐹКćௐ˟ล߱੫၆ IC टळ̝͎̇үณീĂ ͽᑭീ͎̇࿅ٕ̂࿅̝̙̈։ݡĂӀϡୗޘڱವᙝĂᅃͽᕭگΝੵᗔੈĂԱ
ᙝࠧ̈ᗓĂͽҿؠߏӎ࿅ٙనؠ̝ᇾ͎̇ቑಛĂ֭ྻϡྤफ़ऱࡔ ᐂ։ݡ̙̈́։ݡ۞ᄦᑭീྤफ़ĄޢĂώ͛ٙ൴ण̝ᇆညᑭീԫఙ၁ᅫ ᑕϡٺ IC Β྅୧გ̝ϠயቢĂͽរᙋٙ೩͞ڱ̝ѣड़ّĂᏰᙊதΞ྿ 99%ͽ
˯Ą
ᙯᔣෟĈ፟ጡෛᛇăᇆညநăቢ˯ᑭീăIC Β྅୧გĄ
ON LINE INSPECTION TECHNIQUES OF THE IC PACKAGE CARRIAGE PROCESSING USING MACHINE VISION
Chaio-Shiung Chen Eau-Jang Chi
Department of Mechanical and Automatic Engineering Da-Yeh University
Chang-Hwa, Taiwan 514, R.O.C.
Key Words: machine vision, image processing, on line inspection, IC package carriage.
ABSTRACT
This paper develops an on line inspection technique for the IC package carriage processing using machine vision. Image-processing techniques are used to identify the various defects of the IC package carriage, including image position, image matching, and image classification. The IC package carriage is thermal plastic and thus easy to deform when heating is not equal. At the first stage, through subtracting the standard image from the measurement image, we employed image matching to detect surface defects. The features of the subtraction images are extracted by statistical techniques. For the subtraction image, we simultaneously use statistical
corresponding edges, dimension defects can be found. A database is built to record the inspection results. Finally, we apply the developed techniques to practical IC package carriage manufacturing processes to confirm the validity of the proposed method.
˘ă݈! ֏
IC Β྅୧გࠎᑕϡٺ IC ᄦޢბ IC ދ྅ޢ̝ IC ј ݡΒ྅Ăࠎፋ॑୧ې̝ቱͯՄͷܑࢬѣΌې̝ IC टळ Ξֻ IC ཉٸΒ྅ĂдΗጱវຽϠயฉഇ̝˭Ăଂ̷
౷זދ྅ౌߏкயҋજ̼Ă༊ IC Β྅୧გ˯̝ IC टळѣ
༂ஷॡĂIC ̙ਕึӀٸˢटळ̰Ă̙ҭፋ॑ IC Β྅ε ΝԆፋّĂ˵ֹ IC јݡΒ྅ҋજ̼߹̙ึၰĂాֹፋ
࣎ IC ҋજ̼ᄦצז̒ᕘćࠎ˞ឰ IC ҋજ̼Β྅߹ึ
ၰĂдፋ̝॑ IC Β྅୧გ˯ࡗѣೀ˼࣎ IC टळĂυื̙
ਕѣ˘࣎༂ஷݡĂЯѩд IC Β྅୧გ̝ᄦౄ࿅̚Ă၆ٺ
˯̝Տ࣎ IC टळυืБᑭĂ̖ਕ྿זՏ࣎ IC टळ༂
ஷ̝ϫ۞Ăҭݫٺᑭߤిޘ̈́ˠ˧Ăனѣ̝ݡኳᑭീ࠰Ϥ ˠ̍ٺᗓቢ˭٩ᇹԆјĂڱܲᙋՏ࣎ IC टळ༂ஷĂЯ ѩĂࡁ൴˘इҋજ̼ቢ˯̝ IC टळᑭീրĂͽפˠ̍
ᑭീߏࠎ̷࢝ᅮࢋ۞ćѩᑭീրΞͽ၆ IC टळ̝ԛې༂
ஷซҖᑭീͷેҖిޘࢋૉԣͽ྿זቢ˯Бᑭ̝ϫ۞Ąன
̫ĂෛᛇᇆညԫఙజјΑᇃھᑕϡٺ IC ᄦ̝ݡኳᑭീ
[1-3]Ăෛᛇᇆညᛳٺܧତᛈёᑭീ͞ёĂ࿅ᇆညΪ́
CCD פညĂΞԣిޞീۏ 2-D ԛېᖼјཝΞநྋ̝ᇴ Ҝྤफ़Ăତ࿅൴णᇴҜᇆညநԫఙͽԆј̙։ݡᑭ
ീ̝ϫ۞ĂϤٺᇆညநԫఙ̝ซՎ̈́ཝેҖిޘ̝೩
Ăෛᛇᇆညϡٺ IC टळ̙։ݡ̝ᑭീࠎ˘ΞҖ̝ᏴፄĄ னѣ IC ༂ஷݡᏰᙊ̝ᇆညநԫఙĂࡁտ̝ኢ͛ܧ૱кĂ
̂Ξͽᕩᙷј˭ЕણशĂௐ˘ᙷࠎ利用機率統計技 術,т Bayesian Maximum likelihood ඈ̝็ᕩᙷ͞ڱ [4-6]Ăѩ͞ڱᅮࢋᄓะޝкޞീۏณീྤफ़ֻࢍ̶ژĂ ͽՐྤफ़̝፟த̶ҶĂந˯ྵड़தĂᏰᙊத˵ྵҲć ௐ˟ᙷࠎӀϡሀቘᕩᙷ͞ڱĂѩ͞ڱАᇆည̝পᇈྤफ़ ሀቘ̼ĂޢГ൴णቚڱநᕩᙷֱሀቘྤफ़ͽ
זᏰᙊड़ڍт Kohonen ጯ௫ڱ[7]ăHyperbox ͞ڱ[8]
Fuzzy C-mean[9]ඈĂѩ͞ڱΞޝटٽछ̝གྷរΐˢሀ ቘᏰᙊߛၹ̚Ăͷሀቘ̼̝পᇈྤफ़ͧྵܕҬৌ၁̝ᇆည পᇈೡĂЯѩΞ೩ᏰᙊதĂ1997 ѐ Khunkay ඈˠ[10]
Аͽ Kohonen ̝ҋᖐপᇈߍड(SOM)͞ڱҋજපפᇆည
̝ሀቘপᇈࣃĂޢГͽ Fuzzy C-mean ͞ڱವԱֱሀቘ পᇈࣃָ̼̝ᕩᙷڱĂјΑԆјОהྮڕ̝̙։ݡ ᑭീćௐˬᙷࠎӀϡᙷৠགྷშྮրĂᙷৠགྷშྮրЯ
౯ጯ௫ᄃܧቢّᙝ̶ࠧᙷਕ˧Ăߏᇃھజᑕϡٺ IC ᄦᑭീ̝͞ڱĂѩ͞ڱΞͽ̶ࠎႾ༛ёᄃܧႾ༛ёጯ௫
րĂႾ༛ёጯ௫ڱ࿅ቚྤफ़Ξͽटٽጯ௫छ
̝གྷរĂҭ༊̶ᙷᙝࠧኑᗔॡĂӀϡкᆸ̝ᙷৠགྷშྮќ ᑦిޘតјߏ࣎યᗟĂ2002 ѐ SU ඈˠ[11]ĂТॡ̶ҾӀ ϡ backpropagation (BP) ăradial basis function (RBF)
learning vector quantization (LVQ)ˬᙷৠགྷშྮٺ IC
̷̮౷ޢ̝̙։ݡᑭീĂ࿅Լត̙ТᙷৠགྷᏮˢಏ̮ᇴ ϫ̈́ᔳᖟᆸ࣎ᇴĂͽͧྵˬ͞ڱ̝ќᑦిޘ̈́Ᏸᙊ தĂ൴னˬ͞ڱд̙Т୧І˭ѣ̙Т̝ќᑦड़ڍĄᇆ ညͧ၆(pattern matching)ࠎᏰᙊ։ݡᄃ̙։ݡۡତᄃᖎ ಏ̝͞ڱĂ2002 ѐ Sakurai ඈˠ[12]ᑕϡᇆညͧ၆̝ԫఙٺ IC ̝ Hot-Al-Cu ጱቢᆸ༂ஷݡᑭീĂ࿅አፋ፶Ѝځૻ
ޘĂͽ̶ᗓᗔੈᄃ̙։ݡᇆညͧ၆ޢ̝ѷล̶ҶĂଂ̙Т ၁រ̚Աָ̝ܝᕣࣃĂҭтᗔੈᄃᇆညͧ၆̝ѷล
̙टٽ̶ᗓĂᏰᙊதົࢫҲĄ
னѣ̝ࡁտ̚ᑕϡٺྋՙ IC Β྅୧გ̝ IC टळ̙։
ݡᑭീ͛ᚥ;̝ᗒтĂ҃ IC Β྅୧გ̝৵ՄࠎܑࢬЍ̝
โҒͯېቱĂໂटٽͅЍĂͷࠎሤّՄफ़Ăдགྷΐሤă ሀᑟ٪јݭ̈́ฟሀ࿅̚ĂϤٺՄफ़ώ̝֗ሤණҽᒺă ΐሤ̙πӮٕ௲ሀॡม͉ԣඈЯ৵ĂटٽౄјटळܑࢬΌ
ౝٕΎ۞ଐԛ൴ϠĂͷटळܜăᆵΌౝஎޘᐌ̙Т IC ఢॾ҃ؠĂᄦౄిޘࡗՏࡋ 2 Ҍ 6 ሀĂᐌ IC ̂̈҃ؠĂᑭ
ീჟޘࡗ 0.1mmĂЯѩٙ൴णҋજ̼̝ቢ˯ᇆညᑭീր
υืਕዋϡٺ̙Тఢॾ̝ IC टळͷᑭീిޘࢋૉԣĂ̙ਕ ഴၙ IC Β྅୧გ̝ᄦĂώ͛ޙϲ˘ෛᛇᇆညᑭീր
Ă੨Ъ IC Β྅୧გᄦ၆ IC टळҋજפညĂ֭൴णᇆ ညநԫఙΒ߁ᇆညؠҜăᇆညͧ၆̈́ᇆည͎̇ณീඈĂ ͽᑭീ IC टळ̝̙։ݡĂ྿זቢ˯ҋજБᑭ̝ϫ۞Ăԫఙ ᆸࢬࢋ̶ࠎα࣎ొ̶Ĉཝ̬ࢬăᑭീؠҜăᇆညந
ࢍზྤफ़ऱޙϲĄ
˟ăIC Β྅୧გᄦߛၹ
IC Β྅୧გࠎሤّͯېՄགྷሀΐሤᑟᑅј ԛĂՏ୧ IC Β྅୧გ˯ࡗѣೀ˼࣎ IC टळֻ IC Β྅ĂIC टळԛېົॲፂٙࢋΒ྅̝ IC ԛې҃ؠтဦ 1 Ҍဦ 4 ٙ ϯĂ͎̇ଂ 10mm Ҍ 30mmĂώϠயቢ IC ୧გ̝ᙷࡗ 50 ೀĄдፋ୧ IC Β྅୧გ˯Ă̙टధѣ˘࣎ IC टळࠎ
༂ஷݡĂ̙ົᇆᜩҋજΒ྅߹̝ึၰĄώ͛ IC Β྅୧ გ̝ᄦтဦ 5 ٙϯĂᄦࠎдΐ݈̍॑ې৵Մజߛд ଡજёਖ਼फ़፟˯ĂᖣϤՎซ྿੨ЪᓲͽؠҖ͔ٛ
ဦ1 ݭཱི16-PT̝ICटळ ဦ3 ݭཱིTO-263-1̝ICटळ
ဦ2 ݭཱིSM-5X̝ICटळ ဦ4 ݭཱིT-2424-01̝ICटळ
CCD
ဦ 5 IC Β྅୧გቢ˯ᇆညҋજᑭീրᄦဦ
ဦ 6 IC टळܑࢬតԛ
ਖ਼फ़ĂՏҖࡗ 96mmĂͯې৵Մдᑟᑅјԛ݈ᅮАΐሤ
ֹహ̼Ăޢͽሀᑅᑟਕट IC ̝टळĂՏѨᑟᑅ̝
ሀᇴࠎ 4ă6 ٕ 12 ሀĂֶፂ IC ͎̇̂̈҃ؠĂՏѨਖ਼फ़ؠ Ҝ̈́ᑟᑅјݭॡมࡗ 1.2secĂͷѩ IC टळ͕̈́̚ᅮ՞
ؠҜ͋Ă҃ᇆညෛᛇր྅ཉд IC टүјݭޢბĂΞᖣ Ϥ CCD ၆ IC टळפညĂ֭ᑕϡᇆညநԫఙેҖ̙։ݡ ᑭീĂͷࠎቢ˯БᑭĂޢ IC Β྅୧გజગјؠ۞ܜ ޘĄIC टळ̝̙։ݡ̂ࡗΞᕩৼࠎܑࢬតԛтဦ 6ăᙝࠧ
តԛтဦ 7 ͎̈́̇តԛтဦ 8 ඈˬĂԧࣇ൴णᇆညᑭ
ീԫఙĂ੫၆ѩˬ༂ஷݡซҖ IC टळ̝ቢ˯ᑭീĄώ͛
̝ᇆညෛᛇրർវߛၹтဦ 9 ٙϯĂ̚ཝֹϡ PentiumIII 733MHz ̝࣎ˠཝĂᇆညᕜפΙֹϡ Matrox
̳Φ۞ Meteor standardǶݭᇆညᕜפΙĂᇆညநహវࠎ
ဦ 7 IC टळᙝࠧតԛ
ဦ 8 IC टळ͎̇តԛ
A.
B.
C.
A.
B.
C.
Sony 1/2"
640×640
Meteor Standard 2 ADIO-113
CCD PLC
ဦ 9 ᇆညҋજᑭീրߛၹဦ
MIL v6.1ĂCCD ࠎ Sony ̳Φ۞ 1/2”โϨᛷᇆ፟Ăྋژޘ ࠎ 640 Ű480Ăځ፶Ѝֹϡາֲ߷̳Φᒖݭ LED ̝ᖡҒ
፶ЍĂ̬ࢬΙࠎܷ̳Φ۞ ADIO-113 ̬ࢬΙĂд఼̬
ࢬֹϡ ISA ̬ࢬĂᖣϤ ADIO-113 ̬ࢬΙତќ PLC ਖ਼
̝ؠҜੈཱིĂͽઇࠎᇆညրୁજפည۞ੈཱིĂ҃༊ᇆ ညրѣᑭീז̙։ݡॡĂГགྷϤ̬ࢬΙਖ਼ᛋϯੈཱི
Ҍ PLCĄ
ˬăᇆညᑭീ߹
ᇆညᑭീ߹Ξ̶ࠎᗓቢనؠ̈́ቢ˯ᑭീтဦ 10 ٙϯĂЯࠎ IC Β྅୧გఢॾᙷிкĂдᑭീ݈ᅮޙ ϲᑭീᇾͯĂͽઇࠎᑭീֶ̝ፂćᗓቢనؠॡࢵАᕜפ
։ݡ̝ IC टळ༊үᇾͯĂޢдѩᇾͯ˯॰פࢋͧ၆
̝ IC टळĂՏ࣎ࢋᑭീ̝ IC टळΞ॰פкࢋณീ͎̇
̝࠹၆ᑕᙝࠧ͞॰ĂՏ͎̇ณീ͞॰υᅮనؠ͎̝̇ᇾ
ࣃ̳̈́मቑಛĂͽүࠎ̶Ᏸ͎̙̇։ݡֶ̝ፂĂ҃ᇆည
Y
Y
FCM RBBF
N
N N
Y
ဦ 10 ᇆညᑭീր߹ဦ
̚Տ࣎ည৵ܑ̝͎ٙ̇ྋژޘࣃĂϤᇾ̝ͯ၁ᅫ͎̇
ࣃᄃٙҫည৵࣎ᇴઇᖼೱĂ၁ᅫ̝ᗓቢనؠ൪ࢬтဦ 11
ٙϯĄ
ቢ˯ᑭീΒ߁ᇆညͧ၆ᄃ͎̇ณീ͞ёĂͽֹਕ ЧҾ̶Ᏸ IC टळܑ̝ࢬ༂ஷᄃ͎̇༂ஷ̝̙։ݡĂдቢ
˯ᑭീॡĂ၆ٺགྷפည̝ޞീ IC टळᇆᇹυืАซҖᇆည
݈நᄃᇆညؠҜĂᇆᇹ݈நࠎֹϡӮ̼ᕭگጡ(smooth filter)Νੵᇆည̝ᗔੈĂ 3Ű3 ̝ዌཊтဦ 12 ٙϯĂ҃
ࠎΝੵޞീͯᄃᇾͯᇆညЍܪޘ̙Т۞ᇆᜩĂͽπӮѷ ลࣃ۞៍هֽٛܕЍܪᕇ۞मளĂࢵАზᇾͯᄃޞീ
ͯᇆညπӮѷลࣃ̝मளࣃli _imgт˭ёĈ
∑ ∑ −
= ×
= = N y
M
x fst x y fin x y N
img M li
1 1
)]
, ( ) , ( 1 [
_ (1)
̚ fst(x,y) fin(x,y)̶Ҿࠎᇾᇆညޞീᇆညд )
,
(x y Ҝཉ۞ѷลࣃĂГޞീۏᇆည̝Տ࣎ည৵ѷลࣃ ΐ˯(1)ёზ̝मளࣃli _imgĂͽΝੵᇾͯᄃޞീͯᇆ ညܪޘ̝मளĂ҃ޞീͯᇆည̝າ۞ѷลࣃNin(x,y)т˭
ёĈ
ဦ 11 ᗓቢనؠ̝Ѩ൪ࢬనؠ
1 2 1
2 4 2
1 2 1
ဦ 12 3 Ű3 ዌཊ̝Ӯ̼ᕭگጡ
img li y x f y x
Nin( , )= in( , )+ _ (2)
˘ਠՏ࣎ IC टळ̚δѣ˘࣎͋ĂԧࣇΞͽԱѩ̝͋
͕̚үࠎᇆညͧ၆ॡؠҜ̝ϡĂࠎ˞ਕૉԱ͋ᙝࠧĂ А ֹ ϡ Sobel ۞ ዌ ཊ ந Ă ͽ ܮ Ա ͋ ۞ ᙝ ࠧ ᕇ
N n y
xn, n), 1, ,
( = L Ăޢͽ̈π͞ڱӀϡֱᙝࠧᕇՐ
̝͕̈͋Ăт̝͋͞ёࠎĈ
2 2
2 (x cx) (y cy)
r = − + − (3)
̚ r ࠎΗश(cx,cy)ࠎ͕ळᇾĂనؠт˭̝ᆊࣃב ᇴĈ
[ ]
21
2 2
2 0
0 ( ) ( )
2 ) 1 , ,
( = ∑ − − − −
= N
n n x n y
y
x c r x c y c
c r
L (4)
੫၆r ă0 c x c ઐͷ΄ඈٺт˭ёĈ y
[ ] [ ]
[ ] [ ]
[ ] [ ]
∑ − − − − − =
∂ =
∂
∑ − − − − − =
∂ =
∂
∑ − − − − =
∂ =
∂
=
=
=
N
n n x n y n y
y N
n n x n y n x
x N
n n x n y
c y c y c x c r
L
c x c y c x c r
L
r c y c x r r
L
1
2 2 2
0 1
2 2 2
0 1 0
2 2
2 0 0
0 ) ( 2 ) ( ) (
0 ) ( 2 ) ( ) (
0 2 ) ( ) (
(5)
Г(5)ёொีፋநޢΞՐָ̼̝͕т˭Ĉ
c AB c
y
x =
(6)
1
1
2
1 2
1 1 1
1 1 1
1
2
1 2
2 2
2 2
−
= =
= = =
= = =
= =
∑
∑
−
∑ −∑ ∑
∑ −∑ ∑
∑
∑
−
=
N n
N n n n N
n
N n n N n n n n
N n
N n n N n n n n N
n N n n n
y y N y x x y N
x y x y N x
x N
A (7)
∑
∑ +∑
−
∑ +∑
∑
∑ +∑
−
∑ +∑
=
= = =
= =
= = =
= =
N n
N n
N n n n n N
n
N n n n n
N n
N n
N n n n n N
n N n n n n
y x y y y x N
y x x x y x N B
1 1 1
2 2
1 1
3 2
1 1 1
2 2
1 1
2 3
(8)
ზѩ͕̝͕͋̚ޞീۏؠҜޢĂಶΞซҖᇾͯ
ᄃޞീ̝ͯᇆညͧ၆ĂͽԱ IC टळܑࢬ̝༂ஷݡĄ
αăᇆညͧ၆
ᇆညͧ၆ᖎಏ̝͞ڱࠎᇆည࠹ഴĂᇾͯᇆညᄃ གྷؠҜ̝ޞീͯᇆညઇᇆည࠹ഴĂᇆည࠹ഴޢ̝ည৵ѷ ลࣃ fsub(x,y)ࢍზт˭Ĉ
) , ( ) , ( ) ,
(x y f x y Ninx y
fsub = st − (9)
੫၆ѩ࠹ഴޢ̝ᇆညĂԧࣇ̶ҾӀϡࢍᄦăFuzzy C-mean RBF ᙷৠགྷშྮඈˬ͞ёֽҿҾѩ࠹ഴޢ̝
ᇆညࠎ։ݡٕ̙։ݡĂ֭ͧྵᐹКĂ̶Ҿୃт˭Ĉ 1. ࢍᄦ͞ڱ
༊ޞീͯᄃᇾͯܧ૱࠹Ҭॡ࠹ഴᇆည̝πӮѷ ลࣃᔌܕٺĂܑޞീͯࠎ։ݡć̝ͅĂтڍ۰म ள̂Ă࠹ഴᇆည̝πӮѷลࣃ̂Ăܑޞീͯࠎ̙
։ݡĂ҃ҿҾ։ݡᄃ̙։ݡπӮѷลࣃ̝ܝᕣࣃĂώ͛Ӏ ϡࢍ͞ڱĂפ 200 ࣎։ݡ̝ IC टळᇆညᄃᇾͯᇆည࠹
ഴĂГࢍზѩ 200 ࣎࠹ഴᇆည۞πӮѷลࣃ X ̈́ᇾम σĂགྷ၁រ൴னᄦგטቢࡗдᇾम 2.1 ࢺॡрĂӈ
༊ޞീ̝ͯ࠹ഴᇆညπӮѷลࣃ̈ٺX+ 12. ×σ ࠎ։ݡĂ
̂ٺѩࣃࠎ̙։ݡĄ
дֹϡ Fuzzy C-mean RBF ᙷৠགྷშྮ͞ڱ̝݈Ă Տ࣎࠹ഴᇆညυืАපפপᇈࣃĂͽഴ͌ᇆညͧ၆̝ॡ มኑᗔޘĂώ͛ؠཌྷα࣎পᇈࣃт˭Ĉ
(˘) ࠹ഴᇆညπӮѷลࣃ( f ) 1
࠹ഴᇆညٙѣည৵̝πӮѷลࣃ X ࢍზт˭Ĉ
× ∑ ∑
= = = N y
M x fsub x y N
X M
1 1
) , 1 (
(10)
(˟) ࠹ഴ̙ࠎᕇည৵࣎ᇴ( f ) 2
࠹ഴᇆည۞ѷลࣃд10< fsub(x,y)<250ቑಛ̰̝ည
৵ᕇ࣎ᇴĄ (ˬ) ၆मࣃ( f ) 3
࠹ഴᇆညѷลࣃд10< fsub(x,y)<250ቑಛ̰Ăѷล ࣃ݈̣̂࣎πӮࣃAmaxᄃѷลࣃ̈ޢ̣࣎πӮ ࣃAmin̝၆मࣃĂࢍზт˭Ĉ
min max A A
A= − (11)
(α) ፋវᇾम(f ) 4
࠹ഴᇆညٙѣည৵̝ᇾमࣃσĂࢍზт˭Ĉ
∑ ∑ −
−
= ×
= = N y
M
x fsub x y X
N
M 1
2 1
2 ( ( , ) )
1
σ 1 (12)
˫ϤٺՏ࣎পᇈࣃ۞̂̈ડાቑಛ̙ТĂ߇ื੫၆Տ
࣎পᇈࣃઇϒఢ̼т˭Ĉ
) max( i
i i
f
x = f Ăi=1,2,3,4 (13)
ЯѩĂՏ࣎ޞീ̝ͯ࠹ഴᇆညౌΞපפ˘পᇈШณ x T
x, , ] [ 1L 4
=
X ĂΞͽӀϡѩপᇈШณޞീͯᕩᙷ
ј։ݡٕ̙։ݡĄ 2. Fuzzy C-mean ͞ڱ
Fuzzy C-mean 是˘ӀϡሀቘទᏭ۞ᕩᙷ͞ڱĂ࿅
ቚ ವ Ա ཏ ะ ̚ ͕ ᕇ ྿ ז ᕩ ᙷ ϫ ۞ Ă ώ ͛ ᑕ ϡ Fuzzy C-mean ۞ᕩᙷ͞ڱĂޞീͯᕩᙷј։ݡᄃ̙։ݡᙷĂ
ࢵАᅮפቚྤफ़Ăѩቚྤफ़ΒӣЧ̙Т։ݡᄃ̙
։ݡ̝ݭၗĂᔘΒӣЧ̙Тఢॾ̝ IC टळĂགྷᄃᇾͯ
̝ IC टळᇆည࠹ഴĂϤ˯ᇴ̝͞ڱපפপᇈШณĄтග ؠ n ࣎ቚྤफ़X Ăk k=1,L,nͷXk∈R4дֱ n ࣎
ቚྤफ़̚Ăԓ୕ᕩᙷјc=2ᙷĂТॡ̼̈т˭̝ᆊࣃב ᇴĈ
∑ ∑ −
= = = n k
c
i m k i
J ki 1 1
V 2
µ X (14)
̚ • ࠎለೀ֧(Euclidean)ᗓבᇴăVi,i=1, 2̶Ҿ ࠎ։ݡᄃ̙։ݡপᇈШณཏะ̝͕̚ࣃăµkiࠎௐ k ඊ
ቚྤफ़ᕩᛳٺௐ i ̶ᙷ۞ᕩᛳבᇴࣃm>0ࠎᇴᝋࢦ ࣃĄ̶Ҿ၆µkiV ઇઐགྷፋநޢΞזт˭ָᝑi
ёĈ[8]
( )
∑ − − − −
= =
− c
j
m j
k i
k
ki t t t
1
) 1 /(
) 2
1 ( /
) 1 ( /
1 )
( X V X V
µ (15)
∑ ∑
= = =
n k
n k
m ki k m ki
i t t t
1 1
)]
( [ / )]
( [ )
( µ X µ
V (16)
̚k=1,L,ni=1,2ĄЯѩĂFuzzy C-mean ̝ቚՎូ
т˭Ĉ
Վូ˘Ĉనؠ։ݡᄃ̙։ݡপᇈШณ͕̚ᕇ̝ܐؕࣃĂ )
0 ( ), 0 ( 2
1 V
V Ą
Վូ˟Ĉͽ(15)ёࢍზՏ࣎ቚྤफ़ᕩᛳٺ։ݡᄃ̙։ݡ
ᙷ̝࣎Ҿᕩᛳࣃµki(t)Ą
ՎូˬĈͽ(16)ёࢍზͷՀາ։ݡᄃ̙։ݡপᇈШณ͕̚
ᕇࣃV1(t V), 2(t)Ą
ՎូαĈࢦኑՎូ˟̈́Վូˬז႕֖т˭̝ᄱमҿҾё ॡĂઃͤՀາĄ
x4 w0
m
m
ဦ 13! RBF ᙷৠགྷშྮ
≤ε
− − + − −
= 1() 1( 1)2 2() 2( 1)2 1/2 )
(t t t t t
E V V V V (17)
當訓練出良品與不良品特徵向量之最佳群集中心值
*
V ᄃ1 V ĂಶΞͽӀϡѩ͕̚ࣃֽᕩᙷޞീͯࠎ։ݡٕ2*
̙։ݡćనޞീͯ࠹ഴᇆည̝পᇈШณࠎXinĂӀϡለ
ೀ֧(Euclidean)ᗓבᇴёࢍზѩপᇈШณ̶ҾᄃV1*
̈́V ̝ᗓࣃт˭Ĉ 2*
* 1 1= Xin−V
d Ă d2= Xin−V2* (18)
當d 值較小時,代表1 XinᗓV ྵܕĂЯѩޞീͯజ1* ᕩᙷࠎ։ݡĂ̝ͅĂࡶd ࣃྵ̈Ăܑ2 XinᗓV ྵܕĂ2* Яѩޞീͯజᕩᙷࠎ̙։ݡĄ
3. RBF ᙷৠགྷშྮ͞ڱ
RBF 類神經網路如圖 13 所示,其中網路輸入為待測 片 4 個特徵值X=[x1,L,x4]T,y( X)ࠎშྮಏ࣎ᏮĂᔳ ᖟ ᆸ ѣ m ࣎ ৠ གྷ ̮ ̈́ ٙ ࠹ ၆ ᑕ ̝ m ࣎ श Ш ב ᇴ
)
1(X
φ , φ2(X) ,…, )φm( X Ă ᄃ Ꮾ ࠹ ా ̝ ᝋ ࢦ ω1,ω2,…, ωmĂѩᙷৠགྷშྮ̝Ꮾт˭Ĉ
w X g X
X) ( ) ( ) (
1
0 m T
i i i
y = +∑ =
=ωφ
ω (19)
其 中 w=[ω0,ω1,L ,ωm]T g(X)=[1,φ1(X),φ2(X),L ,
T m( X)]
φ ĂᏴፄφi( X)ࠎבᇴт˭Ĉ
) / exp(
)
( i 2 i2
i σ
φ X = −X−t , i=1,L,m (20)
̚t ࠎ͕̚ШณĂi σiࠎבᇴᆵޘĄ༊ৠགྷ̮ᇴפ۞
࿅͌ॡĂــົѣྵҲ̝ቁّĂ࠹ͅ۞тڍৠགྷ̮ᇴפ
۞࿅кॡĂົᆧΐྻზ۞ኑᗔͷΞਕѣ overfitting યᗟĄ
тගؠ n ࣎ቚྤफ़(Xk,dk)Ăk=1,L,nĂ̚ࠎ˞̶
Ᏸቚྤफ़ࠎ։ݡٕ̙։ݡĂ༊ௐ i ඊቚྤफ़ࠎ։ݡॡ నdk =10Ă̝ͅĂࠎ̙։ݡॡనdk =0Ă҃ቚϫ۞дٺ Աזָᝋࢦങ w ͷ̼̈т˭̝ᆊࣃבᇴĈ
( )
∑ −
= = n
k k
T
dk
J
1
) 2
2 ( ) 1
(w g X w (21)
) ( )
(
1 1
1
k k
k k T
k − +g X ×p− ×g X
] ) ( [ )
( 1
1 −
− + × × −
= k k k k T k k
k w p g X d g X w
w (23)
其中p ࠎᏮˢ۞Вតளੱ(Covariance Matrix)ĄЯѩĂk RBF ᙷৠགྷშྮ̝ቚՎូт˭Ĉ
Վូ˘ĈᏴؠᔳᖟᆸ m ࣎ৠགྷಏ̮φi( X)Ăi=1,L,mĂ
̚φi(X)ࠎבᇴт(20)ёĂৠགྷ̮͕̚t ࠎi ੫၆ЧᏮˢx д̶ొቑಛ̰ͽॾ̄ёπӮ̶i
౷̶ёᏴפĂ̶҃οᆵޘσiࠎᏴפዋ༊̝ࣃ
̏உᄏপᇈШณ̶̝ҶቑಛĂనؠܐؕᝋࢦࣃ w Вតளੱ0 p0=αIĂα>0Ą
Վូ˟ĈᏮˢ˘ඊາ۞ቚྤफ़ĂӀϡ(19)ёზᙷৠགྷ შྮ̝ᏮĄ
ՎូˬĈֹϡᅍਫ਼̈π͞ڱĂͽ(22)ёზາ۞Вតள
ੱp ͽ(23)ёზາ۞ᝋࢦࣃk w Ą k ՎូαĈࢦኑࢍზՎូ˟ՎូˬۡזᄱमࣃE(k)≤0.01Ă
̚E(k)ࢍზт˭Ĉ
E(k)= wk−1−wk (24) ޢΞზָ۞ᝋࢦШณw Ą *
ቚԆјޢĂԧࣇΞӀϡѩ RBF ᙷৠགྷშྮ̶Ᏸ։ݡ ᄃ̙։ݡĂ༊ޞീͯ࠹ഴᇆည̝পᇈШณࠎXinॡĂѩ পᇈࣃᏮˢᙷৠགྷშྮĂͽ(19)ёზᙷৠགྷშྮᏮࣃ
) ( in
y X Ă༊Ꮾࣃy X( in)≥5ॡࠎ։ݡĂ̝ͅĂࠎ̙։
ݡĄ
̣ă͎̇ณീᄃྤफ़ऱ
༊ޞീͯགྷᄃᇾͯᇆညͧ၆ᄮؠࠎ։ݡޢĂܑѩ ޞീܑͯࢬ༂ஷĂତ˭ֽυᅮᑭീѩޞീͯߏӎѣ͎̇
̙։༂ஷĄࢵАĂυᅮವԱޞീͯٙࢋณ͎̇࠹၆ᑕ̝ᙝ
ࠧĂӀϡ̂ୗޘ͞ёವᙝĂ x y ̶Ш̝ୗޘࣃࢍზт
˭Ĉ
x ̶Ш̝ୗޘࣃĈ
) , ( ) , 1 ( ) ,
(x y Ninx y Nin x y
diffx = + − (25)
y ̶Ш̝ୗޘࣃĈ
) , ( ) 1 , ( ) ,
(x y Nin x y Ninx y
diffy = + − (26)
ٙԱವ۞ᙝࠧቢҜཉ̚Ă૱૱Яࠎᗔੈ۞ᇆᜩົ൴Ϡѣ ಏᕇҜཉត̼ள૱۞ଐԛ൴ϠĂ˵ಶߏٙᏜ۞؝ϲᕇĂࠎ
˞ᔖҺѩଐڶ൴ϠĂ༊ѣᑭീז؝ϲᕇॡĂಶͽ؝ϲᕇ
य़۞ҜཉᕇҜཉ࠹ΐπӮޢ༊үາ۞ҜཉᙝࠧᕇĂநԆ ޢĂޞീ͎ͯ̇ಶͽᙝ۞Ч࣎࠹၆ᑕ̂ត̼ณҜཉֽ
ܑ˘! FCM ̙Т m ࣃࢍზ̝V ̈́1* V 2* m
পᇈࣃ
=2 m
*
V 1 V 2*
=5 m
*
V 1 V 2*
=10 m
*
V 1 V 2* x 1 0.43 0.81 0.45 0.77 0.46 0.75 x 0.59 0.87 0.59 0.85 0.59 0.83 2
x 3 0.44 0.76 0.44 0.73 0.45 0.72 x 0.44 0.77 0.43 0.79 0.44 0.79 4
ܑ˟! ࢍᄦăFCM RBF ᙷৠགྷშྮ̝Ᏸᙊத
͞ڱ ݭཱི
ࢍᄦ
Ᏸᙊத(%)
FCM Ᏸᙊத(%)
RBF ᙷৠགྷ Ᏸᙊத(%) I-14 92.5 97.5 99.5 16-PT 94.0 98.0 99.0 SM-5X 93.0 99.0 99.5 TO-263-1 95.0 98.0 100 T-2424-01 92.5 99.0 99.0
༊үᗓĂ༊ޞീͯܜᄃᆵ۞̈ᗓٙన۞̳म ॡĂಶࠎ̙։ݡ֭൴ᛋϯੈཱི̈́ࡔᐂᄱᇆညĂ֭ޙϲ
͎̇ᑭീ̙̈́։ݡྤफ़ऱĄ
̱ă၁រᄃඕڍ
ώ͛ٙ൴ण͞ڱᑕϡٺ၁ᅫЧ̙Тఢॾ̝ IC ट ळĂ̚ CCD ᕜפᇆညቑಛ۞ᆵޘᄃޘࡗࠎ 4.9cmŰ 4.3cmĂည৵۞ྋژޘࡗࠎ 0.0845mmĂᇆညͧ၆ॡפ 200 ඊቚྤफ़Ăѩቚྤफ़ΒӣЧ̙Т։ݡᄃ̙։ݡ̝ᇆ ညĂᔘΒӣЧ̙Тݭཱི̝ IC टळĂͽീྏ̈́ͧྵࢍᄦ
ăFCM RBF ᙷৠགྷშྮඈˬ͞ڱ̝ᏰᙊதĂͽ FCM
͞ڱቚĂ༊Լត̙Тᇴᝋࢦࣃm=2ă5ă10 ॡĂᄱम ࣃќᑦଐԛтဦ 14 ٙϯĂ҃ٙზ̝։ݡᄃ̙։ݡָপ ᇈШณཏ͕̚ᕇV ̈́1* V тܑ˘ٙϯĄଂဦ 14 ᄃܑ˘Ξ2*
࠻༊Լតᝋࢦࣃ m ॡ၆ቚ۞ќᑦిޘᄃќᑦࣃV ̈́1*
*
V ᇆᜩ̙̂Ąд RBF ᙷৠགྷშྮቚĂᏴፄ 81 ࣎ᔳᖟᆸ2
ৠགྷ̮Ăͽᅍਫ਼̈π͞ڱቚĂᄱमࣃќᑦଐԛтဦ 15
ٙϯĂଂဦ̚Ξ࠻ᝋࢦШณќᑦిޘܧ૱ԣĄޢĂ̶
ҾࢍᄦăFCM RBF ᙷৠགྷშྮඈˬ͞ڱᑕϡ ٺݭཱི I-14ă16-PăSM-5XăTO-263-1 T-2424-01 ඈ 5
ᙷݭ IC टळĂീྏඊᇴЧפ 200 ඊĂീྏඕڍ̶̝Ᏸத тܑ˟ٙϯĂଂܑ˟̚Ξ࠻ RBF ᙷৠགྷშྮᏰᙊड़ڍ
ָĂᏰᙊதΞ྿ 99%ͽ˯ĂFCM ͞ڱѨ̝ĂᏰᙊதࡗ 98%Ă҃ࢍᄦᏰᙊதमࡗ 94%Ąࢍᄦ͞ڱΪͽ ޞീͯ࠹ഴᇆည̝πӮѷลࣃ༊үᄦგטቢĂटٽצಏ
͞ࢬ۞ࢨטĂٙͽड़ڍྵमć҃ FCM RBF ᙷৠགྷშྮ
͞ڱĂଂޞീͯ࠹ഴᇆည̚පפ 4 ̙Тপᇈࣃ༊ઇᏰᙊ
ֶፂĂЯѩᏰᙊड़ڍྵрĂ͍ߏ RBF ᙷৠགྷშྮ౯ܧ ቢّᙝ̶̝ࠧᙷਕ˧Ă߇ѣՀΐ̝Ᏸᙊड़ڍĄޢĂώ
͛ٙ൴ण̝ᇆညෛᛇրᑕϡٺ၁ᅫΒ྅୧გᄦϠயቢ
1.5
1
0.5
0
5 10 15 20 25 30 35 40 45 50 55 60 m=2
m=5 m=10
ဦ 14! FCM ᇴᝋࢦࣃm=2ă5ă10 ॡቚќᑦଐԛ
0.35 0.3 0.25 0.2 0.15 0.1 0.05 0
0 20 40 60 80 100 120
ဦ 15! RBF ᙷৠགྷშྮቚќᑦଐԛ
ဦ 16! IC ୧გᄦϠயቢϒࢬ၁វဦ
тဦ 16 ٙϯĂඕڍរᙋώ͛ٙ೩͞ڱ̝ѣड़ّĄ
˛ăඕ ኢ
ώ͛൴ण˘፟ୠෛᛇԫఙͷ၁ᅫᑕϡٺ IC Β྅୧გ
̝̙։ݡቢ˯ᑭീĂࡁտ͞ڱͽ̶߱ᇆည͞ёĂ੫၆ IC टळٺᄦ̚ΌౝٕΎ۞ԛېপᇈઇᑭീĂΩγࠎ˞ᔖ Һ IC Β྅୧გкᙷݭ۞តّ̼Ăͽᑭീ॰۞͞ёᏴפ୬ᑭ
߱ซҖĂௐ˘ล߱Ӏϡᇆညͧ၆͞ёĂགྷϤޞീۏᄃᇾ
ۏઇᇆည࠹ഴĂͽᑭ測 IC 容ळܑࢬ̝༂ஷݡĂώ͛೩
ࢍᄦăFuzzy C-mean 和 RBF ᙷৠགྷშྮˬ͞ڱĂֽᕩ ᙷѩ࠹ഴᇆညࠎ։ݡٕ̙։ݡĂ֭ͧྵѩˬ͞ڱ۞ᐹ КĂ၁រᙋ၁ RBF 類神經შྮѣྵָ̝Ᏸᙊड़ڍćௐ˟ล
߱੫၆ IC 容ळ̝পঅ͎̇үณീĂͽᑭീ͎̇࿅ٕ̂࿅̈
̝̙։ݡĂӀϡୗޘڱವᙝĂԱᙝࠧ̈ᗓĂͽҿ ؠߏӎ࿅ٙనؠ̝ᇾ͎̇ቑಛĄޢώࡁտ၁ᅫᑕϡ ٺ IC Β྅୧გᄦ၁ᅫϠயቢ̝ቢ˯ᑭീĂඕڍរᙋώ͛
ٙ೩͞ڱΞҖّĂ̙։ݡ̝ᏰᙊதΞ྿ 99%ͽ˯Ą
ᄫ ᔁ
ώࡁտຏᔁ઼ࡊົᗟࡁտࢍ൪ 92-2212-E-212-009
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ણ҂͛ᚥ
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