合成孔徑雷達(dá)圖像目標(biāo)識別

第1 章 緒論························································································1
1.1 研究背景及研究意義··································································1
1.2 國內(nèi)外研究現(xiàn)狀········································································3
1.3 本書內(nèi)容介紹········································································.10
第2 章 基于局部保持特性和混合高斯分布的SAR 圖像目標(biāo)識別··················.14
2.1 算法概述··············································································.14
2.2 局部保持投影算法··································································.15
2.3 基于LPP-GMD 算法的SAR 圖像目標(biāo)識別···································.16
2.3.1 基于混合高斯分布的似然函數(shù)建?！ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ?17
2.3.2 基于局部保持特性的先驗(yàn)函數(shù)建模····································.17
2.3.3 參數(shù)估計(jì)·····································································.18
2.4 試驗(yàn)結(jié)果與分析·····································································.22
2.5 本章小結(jié)··············································································.26
第3 章 基于局部保持特性和Gamma 分布的SAR 圖像目標(biāo)識別··················.27
3.1 算法概述··············································································.27
3.2 SAR 圖像的乘性相干斑模型······················································.28
3.3 基于LPP-Gamma 算法的SAR 圖像目標(biāo)識別·································.29
3.3.1 基于Gamma 分布構(gòu)建似然函數(shù)········································.29
3.3.2 基于局部保持特性構(gòu)建先驗(yàn)函數(shù)·······································.30
3.3.3 參數(shù)估計(jì)·····································································.33
3.4 試驗(yàn)結(jié)果與分析·····································································.37
3.4.1 SAR 圖像目標(biāo)識別結(jié)果··················································.37
3.4.2 修正相似度矩陣的有效性驗(yàn)證··········································.39
3.5 本章小結(jié)··············································································.41
第4 章 基于結(jié)構(gòu)保持投影的SAR 圖像目標(biāo)識別·······································.42
4.1 算法概述··············································································.42
4.2 基于CDSPP 算法的SAR 圖像目標(biāo)識別·······································.43
4.2.1 CDSPP 算法·································································.43
4.2.2 差異度矩陣分析····························································.45
4.3 試驗(yàn)結(jié)果與分析·····································································.49
4.3.1 目標(biāo)的類別識別····························································.51
4.3.2 目標(biāo)的型號識別····························································.53
4.3.3 構(gòu)建差異度矩陣的優(yōu)勢···················································.57
4.4 本章小結(jié)··············································································.59
第5 章 基于類別稀疏表示的SAR 圖像目標(biāo)識別·······································.60
5.1 算法概述··············································································.60
5.2 SAR 圖像的稀疏表示模型·························································.61
5.3 SAR 圖像的類別稀疏表示模型···················································.62
5.3.1 方位角敏感特性····························································.62
5.3.2 測試樣本建?！ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ?64
5.3.3 稀疏向量求解·······························································.66
5.4 基于LSR 算法的SAR 圖像目標(biāo)識別···········································.67
5.5 試驗(yàn)結(jié)果與分析·····································································.70
5.5.1 目標(biāo)的類別識別····························································.70
5.5.2 目標(biāo)的型號識別····························································.72
5.6 本章小結(jié)··············································································.76
第6 章 基于乘性稀疏表示和Gamma 分布的SAR 圖像目標(biāo)識別··················.77
6.1 算法概述··············································································.77
6.2 乘性稀疏表示算法··································································.78
6.3 試驗(yàn)結(jié)果與分析·····································································.80
6.3.1 目標(biāo)的類別識別····························································.81
6.3.2 目標(biāo)的型號識別····························································.82
6.4 本章小結(jié)··············································································.88
第7 章 基于判別統(tǒng)計(jì)字典學(xué)習(xí)的SAR 圖像目標(biāo)識別·································.89
7.1