Xây Dựng Hệ Thống Hỗ Trợ Hẩn Đoán Bệnh Sử Dụng Neural Networks.pdf

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


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 2019

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



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


 2019







 
       -        



Hà Nội, ngày 02 tháng 09 năm 2019

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
 em  PGS.TS
             
    em   trình

  em            

  em     
 em 

em 

 em hoàn thành 
Hà Nội, ngày 02 tháng 09 năm 2019




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M
 .......................................................................................................1
 .............................................................................................................2
 ........................................................3
..........................................................................................4
 .....................................................................5
 .........................................................................................7
1.1.  .........................................................................................................7
1.2.  .............................................................................................9
1.3.  ........................................................................9
1.4.  ......................................................................................9
1.5.  ....................................................................................10
 .........................................................................11
2.1.   ..................................................................11
2.2.1.  ..............................................................................................11
2.2.2.  ......................................11
2.2.3.  ....................................12
2.2.4.  ............................................................... 13
2.3. - ....................................................................................15
2.3.1.  ..............................................................................................15
2.3.2. ...........................................................................16

2.3.3. .............................................................19
2.3.4.  ..................................................................20

 ..................................................................................25
3.1.  ............................ 25
3.2.  ...........................................................................................26
3.3.  ...........................................................................................28
3.4. ................................................................................................... 30
3.4.1.  ........................................................................... 30
3.4.2.  .................................................................................31


3.5. - .................................................33
3.5.1.  .........................................................................................33
3.5.2.  ...................................39
3.5.3.  ................41
3.5.4. -ron ............................................................................ 45
3.5.5. -ron ................................................47
 ..............................................................52
4.1.  ..........................................................................................52
4.2.  ......................................................................................52
4.3.  ......................................................................................................... 54
4.4. 
 ......................................................55
4.4.1.  ................................................................................ 55
4.4.2.  .......................................................................................... 56
4.4.3. - .........57
4.5.  ...............................................................................58
 ..........................................61
5.1.  ..........................................................................................................61

5.2.  ............................................................................................61
 .........................................................................................62









AI

Artificial Intelligence



ANN

Artificial Neural Network

-ron 







FFNN

Feed forward neural network

-ron 

RNN

Recurrent neural network

-ron 

MLP

Multi Layer Perceptron



KBANN

Knowledge Based Artificial

n-ron 

Neural Network



FPG

Fact Precedence Graph



UCI

Center for Machine Learning



and Intelligent Systems at the



University of California, Irvine. lifornia, Irvine.
HbA1c

Glycated hemoglobin



glucose.

CSDL





CSDLTT



 bao


ReLU

Rectified Linear Unit

Hàm ReLU.

3



 ...................................... 13
 .......................................................... 18
 .......................................................... 29
 ................. 31
 ................................................................... 32
 .............................................................................. 32
 ........................................................ 33

 ................................................................................................ 34
 .................................. 35
 ........... 35
 .................................................. 36
 .............................................................. 38
 ......... 40
-ron .............................. 42


overfitting sau cùng 4000 chu kì epoch ............................................................... 51
 ........................................................... 53
- ................... 54
- . 55
  
............................................................ 56

 ................................................ 58

4



Hình 1:  ....................................................... 11
 Fact Precedence Graph (FPG) .................................................... 14
-ron ............................................................. 16
- ...................................................................... 19
- .............................................................................. 20
 ............................................................ 21
 ............................ 22
 ......................................................................... 23
-ron ............................ 23
Hình 10:  ...................................................... 25
- ..... 27
 ....................................... 30
 ............................................................... 40
-
  .............................. 41
-

  ................................. 42
 ....................................................... 44
 ........... 44
-ron ......................................................................... 45
-
 .................................................................................... 46
 47
- ........................................ 48

dropout sau 500 chu kì epoch. .................................................................... 49

L2 regularization sau 500 chu kì epoch. .............................................................. 50
 ....... 51
5


- ........ 52

 .............................................................. 53
  
Blood Pressure và Skin Thickness ....................................................................... 57
 ............................................ 59
H ...................................................... 60
 ........................................................... 60

6



1.1. 

 kéo theo




 


                 
               
 [1].
(AI) 
h  AI   
  y 

         AI.       

 IBM Watson: 

và  cho   [2].
  
 
              
   
      [3].       
             


7

 
 AI. 






AI 
h
-ron
 -ron  
  
. 
  -ron            
,   
 -ron              
 [4].
 này   -ron 
 . B là
              
 B 
            
tính.             

   
-ron 
    xác
   

. -ron   

8


1.2. 
-ron 
  .  nghiên
          
 S
               


1.3. 
  u
na   [5].
 
-ron.
 -ron 

              

    
                


1.4. tiêu 

-ron 
 ng -ron

    

               
Indian  [5]
       4.77%. Trong mơ hình
g -ron              
       nh     -ron 
9


  
    


1.5. 

 trình bày l

  trình bày n
-ron

                
, 
 -ron
.
              
   
          

   


lai.

10


: 
2.1. H  
2.2.1. m
          
 


                 
chuyên gia    
. 
 
[6].

2.2.2. 


Hình 1: [7]

11



 
con 

 
 
 


 
 

2.2.3. h
Trong          
 
 
.







x

y

z

  [z]
.

.





12


1:  






1

1



2

1



3

2



4

3



5

4



6

7

an

7

8



8

8



  
 t qua
1 s kic sinh ra t tp hp các s kin khác. Trong h thng, lut
suy dic bin di
Mã lut

u kin

Kt lun

 tin cy (F)

x

( 

 
  




y%

Biu din:
Nu (s kin(n()...^ s kin()) thì ((s kin())  
(y%)
 

 
 
 

2.2.4. 

Fact Precedence Graph (FPG), là
 th th hin mi liên quan gia s kin này vi s kin khác.
13



1)   

9) 󰂭󰂭  

2)     

10) 󰂭󰂭  

3)     

11) 󰂭



4)󰂭  

12) 󰂭
  

5)   

13) 󰂭  

6) 󰂭
  

14) 󰂭󰂭  

7)󰂭  

15)   

8) 󰂭  

16)󰂭  

 

Hình 2Precedence Graph (FPG) [7]

(   
  

foreach rule ←R
{






14
rule = (     
  ;










foreach  ←(     

{
Set kc(   
}
}
  
         cách t        
    lu  xut s dng


foreach  ←( 
  
{

foreach  ←( 
{
  

foreach  ←( 
  
{
if kc( 
) > kc( 
) + kc() {
kc( ) = kc( 
) + kc( )
}
}
}
}

2.3. -ron nh
2.3.1. 
 -ron    Neural      
-ron,   hay mơ hình tính tốn 
các -ron  [8]. Nó 
 -ron
 
  -ron        (recall), và khái quát hóa
15


 
-ron [9].

2.3.2. 
a. 
   -ron c  -ron 

 
 -ron 
trong hình sau:

Hình 3-ron

 xi 
 wji 
 bj 
 a j -input)
 z j -ron
 
b. -ron
  -ron       -ron     
-ron  -ron  -ron

16