信息论作业全Word文件下载.docx

信息论作业全Word文件下载.docx

《信息论作业全Word文件下载.docx》由会员分享，可在线阅读，更多相关《信息论作业全Word文件下载.docx（19页珍藏版）》请在冰豆网上搜索。

%对256个灰度层次的信源数据进行编码

map1=huffman（double（y1））

%对16个灰度层次的信源数据进行编码

y5=zeros（1,16）;

j=1;

fori=1:

ify2（i）>

0;

y5（j）=y2（i）;

j=j+1;

map2=huffman（double（y5））

2．运行结果：

（1）计算原图像的熵为：

h=7.3482

（2）所显示的图像：

（3）各图像中各个灰度层次的概率分布图

（4）16位（后四位被屏蔽掉的数据）霍夫曼编码：

0

　1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

'

100100001'

100101'

000'

1111'

0010'

110'

101'

010'

011'

0011'

1000'

1110'

10011'

1001001'

10010001'

100100000'

（5）256位霍夫曼编码：

0

1

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

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

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

11110100011001100000000000000000000000000000000000000000000000000'

11110100011001100000000000000000000000000000000000000000000000001'

1111010001100110000000000000000000000000000000000000000000000001'

111101000110011000000000000000000000000000000000000000000000001'

11110100011001100000000000000000000000000000000000000000000001'

1111010001100110000000000000000000000000000000000000000000001'

111101000110011000000000000000000000000000000000000000000001'

11110100011001100000000000000000000000000000000000000000001'

1111010001100110000000000000000000000000000000000000000001'

111101000110011000000000000000000000000000000000000000001'

11110100011001100000000000000000000000000000000000000001'

1111010001100110000000000000000000000000000000000000001'

111101000110011000000000000000000000000000000000000001'

11110100011001100000000000000000000000000000000000001'

1111010001100110000000000000000000000000000000000001'

111101000110011000000000000000000000000000000000001'

11110100011001100000000000000000000000000000000001'

1111010001100110000000000000000000000000000000001'

111101000110011000000000000000000000000000000001'

11110100011001100000000000000000000000000000001'

1111010001100110000000000000000000000000000001'

111101000110011000000000000000000000000000001'

11110100011001100000000000000000000000000001'

1111010001100110000000000000000000000000001'

111101000110011000000000000000000000000001'

11110100011001100000000000000000000000001'

1111010001100110000000000000000000000001'

111101000110011000000000000000000000001'

11110100011001100000000000000000000001'

1111010001100110000000000000000000001'

111101000110011000000000000000000001'

11110100011001101'

1111010001100111'

1111010001100100'

11110100011011'

1111010001110'

11110100011110'

0000110011110'

11110100010'

11010110001'

01111011011'

0000110010'

0010010101'

100101111'

110101101'

001101000'

10101011'

00000110'

01000110'

01111010'

1100011'

0001100'

0100100'

0100001'

0110001'

0101101'

0100111'

0011000'

0010110'

0010100'

1111100'

1101100'

1010110'

01111111'

01010010'

01001010'

00010001'

00001010'

00000011'

11110011'

00000010'

11100100'

11010010'

11001100'

11010000'

11100111'

11100101'

11010111'

11001011'

11111011'

11110110'

00011110'

00000111'

11110010'

00010110'

11111100'

11111101'

11100110'

00001101'

00001011'

11111010'

00111100'

00110011'

00100100'

01100101'

00110010'

01010000'

01101100'

01001100'

01110100'

1011011'

1101101'

0000000'

0101111'

0110111'

0010101'

0001101'

0001010'

1110001'

1001110'

1010111'

1000010'

1000011'

01101000'

01010011'

01101101'

1001010'

1010001'

1011010'

1001111'

1011111'

1100100'

1110110'

1100111'

1111111'

1110100'

0000100'

0010111'

0011011'

0111110'

100011'

100110'

0111001'

0011100'

0010000'

1110111'

0000010'

1111000'

0000111'

0010001'

0100010'

0101100'

0110101'

100100'

100010'

0111011'

0101010'

0101011'

0001110'

0011111'

0010011'

0111000'

0110011'

0111100'

101001'

100000'

0110000'

0011101'

0001001'

1101110'

1101010'

1010000'

01110101'

1010100'

01000111'

01111110'

01101001'

00111101'

00010000'

00010111'

01010001'

1011000'

01100100'

01000000'

01011100'

01001011'

00110101'

00011111'

11100001'

11000010'

11000000'

10010110'

010011010'

001101001'

010111011'

010011011'

010000010'

001001011'

10110010'

10110011'

10111100'

10111000'

10111011'

11101011'

11011111'

11000011'

11010001'

11000100'

11001010'

11000001'

10111010'

11000101'

10101010'

10111101'

11010011'

10111001'

11011110'

11101010'

11110101'

11110111'

11100000'

11001101'

011110111'

010111010'

000011000'

111101001'

100101110'

0100000110'

0111101100'

0010010100'

1111010000'

1101011001'

01111011010'

01000001111'

00001100110'

010000011100'

000011001110'

010000011101'

110101100001'

110101100000'

11110100011111'

0000110011111'

11110100011000'

1111010001100101'

11110100011001100000000000000000001'

1111010001101010'

1111010001100110000000000000000001'

1111010001101011'

1111010001101000'

111101000110011000000000000000001'

11110100011001100000000000000001'

1111010001100110000000000000001'

111101000110011000000000000001'

11110100011001100000000000001'

1111010001100110000000000001'

111101000110011000000000001'

1111010001101001'

11110100011001100000000001'

1111010001100110000000001'

111101000110011000000001'

11110100011001100000001'

1111010001100110000001'

111101000110011000001'

11110100011001100001'

1111010001100110001'

111101000110011001'