Tìm hiểu hệ thống nhận dạng biển số xe (Đồ án tốt nghiệp)

9


TÌM HI

BÀI TOÁN NH

Ngành:

10

D

BI

S

XE


T

TÌM HI

BÀI TOÁN NH

D

BI

S

XE

Ph Th Thanh Thu
PGS.TS.
25

PH N GI I THI U ........................................................................................ 20
11


C
- T do -

Sinh viên:

.

090125.

CT902.

TÌM HI

Ngành:

BÀI TOÁN NH

12

D

BI

S

XE


a.

b.

Nam

2
-

13


.......................................................................................
N NG TOÀN ....................................................................................
PGS.TS..........................................................................................
quan công tác:
m ....................................
................................................................................................
..................................................................................................................................
..................................................................................................................................
..................................................................................................................................

.........................................................................................
N NG TOÀN ....................................................................................
PGS.TS..........................................................................................
....................................
dung
................................................................................................
..................................................................................................................................
..................................................................................................................................
..................................................................................................................................
..................................................................................................................................

Sinh viên

14


15


1.
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
..........................................................................................................................................
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16


-

-

-

Sinh viên

17


. 21
......................................................................... 21
1.2.

..................................................... 21
................................................................... 21

1.2.2

....................................................................... 24

1.3.

...................... 27

1.3.1.

..................................................... 27
................................... 27
................................................................................... 28
.............................. 31
....................................................................... 31

2.

............................................................................. 31
............................................ 32

2.2

............................................. 33
...................................................................... 33
............................................................................ 35
.............................................................. 37
............................................................................ 37

2.3.2 Tách biên:......................................................................................... 38
............................................................................ 39
2.3.4

........................................ 42
............................................. 43
................................................................................. 44
........................................................... 45

2.4

........................................... 46
........................................... 47
........................................................................ 47
18


.................. 47
................................ 48
3.1.2.1 Mô hình ..................................................................................... 48
............................................ 50
............................................................... 51
................................................................... 51
..................................................................................... 52
......................................................... 53
................................................. 54
3.2.3

............................................................................... 56
............................................................................ 56
............................................................................ 59
............................... 61
.......................................................................... 61

....................................................................... 61
............................................................................ 63
..... 63

3.3.1

. 63

3.3.2

......... 64
......... 66

K t lu n ............................................................................................................. 67
PH N K T LU N........................................................................................... 68
TÀI LI U THAM KH O ............................................................................... 69

19


ô

Tuy

ô

giám

.

20


1.1.

nhau.
-

1.2.

a)

,
....
*)

21

,


h.

1

2

.

22

:
-

b)

:

+)
.
+)

.
+)
.
Ngo

thô

)

23


1.2.2

11 -

43 -

77 -

12 -

47 -

78 - Phú Yên

14 -

48 -

79 - Khánh Hòa

15,16 -

49 -

80 -

17 - Thái Bình

-

18 -

Minh

81 - Gia Lai

19 -

60 -

82 - KonTum

20 - Thái Nguyên

61 -

83 -

21 - Yên Bái

62 - Long An

84 - Trà Vinh

22 - Tuyên Quang

63 -

85 -

23 - Hà Giang

64 -

86 - Bình

24 - Lào Cai

65 -

88 -

25 - Lai Châu

66 -

89 -

26 -

67 - An Giang

90 - Hà Nam

27 -

68 - Kiên Giang

92 -

28 - Hòa Bình

69 - Cà Mau

93 -

29,30,31,32 -

70 - Tây Ninh

94 -

33 - Hà Tây

71 -

95 -

34 -

72 -

35 - Ninh Bình

73 -

98 -

36 - Thanh Hóa

74 -

99 -

37 -

75 -

38 -

76 -

-

*)
1.
24

97 -


2.

BH:

KA: Quân khu 1
KB: Quân khu 2
KC: Quân khu 3
KD: Quân khu 4
KV: Quân khu 5
KP: Quân khu 7
KK: Quân khu 9

VT: Viettel
3.

25


-

*

-

4.
-

- Báo nhân dân
-

26


:

5.
X

-

1.3.

xe:

1.3.1.

27


hêm nhiêu

Trong báo cáo
c
1.4

*)

28

y


c.

xe.

I c' .
I c'

ách áp

I c'

3:

29


30


a.
I m, n
I m, n

m, n

I m, n

b.

8

c.

E

I m, n

s

và Ie

E

i0 , j 0 = Is và in , j n = Ie
i0 , j 0

i n , j n mà i k , j k

i1 , j1

ik , j k

d. 4-

E
ik 1 , j k

-

1

:

m, n
N 4 là
N4

m 1, n , m 1, n , m, n 1 , m, n 1

31

m, n .

N8

N4

N8

m 1, n 1 , m 1, n 1 , m 1, n 1 , m 1, n 1

e. Chu

I m, n
p0

p1

....

p n . Sao cho p i 1 , p i
i,

và p 0

pi ,

1

pn

i j

2.1.2
hg
t g

hi
i g

P
G

32

p'

I và p là 4


g

ih i
mg

f g

g

i 0

t g

P t g

iP i

t g

mg

i 0

mG 1

2

1

arg max f g

2.2

ên.
*)

:

*)
*)

.

f ( x, y)
x

fx

f ( x dx, y)
dx

f ( x, y )

f ( x, y)
y

fx

f ( x, y dy)
dy

f ( x, y )

y

r sin

Suy ra:
33