Ch2_Histogram_Equalization_Example1 - 19Aug2020

	B	C	E	I	J	K	L	M
1
2	Histogram Equalization Example
3
4	Input Image Gray Level		Original Image Histogram	Gray Level	Count	PDF	CDF	New Gray Level
5	r	rk		r	rk	Pr(rk) = rk/N	Sum (PDF)	(L−1)*CDF
6	0	7		0	7	0.11	0.11	1
7	1	8		1	8	0.13	0.23	2
8	2	10		2	10	0.16	0.39	3
9	3	20		3	20	0.31	0.70	5
10	4	9		4	9	0.14	0.84	6
11	5	6		5	6	0.09	0.94	7
12	6	4		6	4	0.06	1.00	7
13	7	0		7	0	0.00	1.00	7
14	8	64		8	64	1.00
15	L	N		L	N	P
16				Levels	Pixels	Toral Prob.
17
18	Equalized Image Gray Level		Equalized Image Histogram
19	s	sk
20	0	0
21	1	7
22	2	8
23	3	10
24	4	0
25	5	20
26	6	9
27	7	10
28	8	64
29	L-1	N
30	Levels	Pixels
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100