Preface |
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xi | |
Acknowledgments |
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xiii | |
Authors |
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xv | |
1 Introduction |
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1 | (6) |
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3 | (1) |
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1.2 The Performed Research |
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3 | (1) |
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4 | (1) |
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1.4 Structure of This Book |
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5 | (2) |
2 Biometric Systems |
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7 | (18) |
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7 | (3) |
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10 | (3) |
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2.3 Evaluation of Biometric Systems |
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13 | (9) |
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2.3.1 Evaluation Strategies |
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14 | (1) |
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14 | (2) |
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2.3.3 Accuracy Evaluation |
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16 | (5) |
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2.3.3.1 Methods for Accuracy Evaluation |
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16 | (2) |
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18 | (3) |
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2.3.4 Confidence Estimation |
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21 | (1) |
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22 | (1) |
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23 | (2) |
3 Touchless and Less-Constrained Biometrics |
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25 | (12) |
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3.1 Less-Constrained Biometric Systems |
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26 | (1) |
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3.2 Touchless Biometric Traits |
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27 | (6) |
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3.2.1 Less-Constrained Face Recognition |
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27 | (3) |
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3.2.2 Less-Constrained Iris Recognition |
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30 | (2) |
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32 | (1) |
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3.2.4 Other Biometric Traits |
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33 | (1) |
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3.3 Touch-Based Biometric Traits |
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33 | (1) |
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34 | (3) |
4 Fingerprint Biometrics |
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37 | (46) |
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4.1 Fingerprint Recognition |
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37 | (2) |
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4.2 Characteristics of the Fingerprint |
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39 | (1) |
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39 | (1) |
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4.4 Analysis of Fingerprint Samples |
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40 | (7) |
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40 | (3) |
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43 | (3) |
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46 | (1) |
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4.5 Touch-Based Fingerprint Recognition |
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47 | (13) |
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4.5.1 Acquisition and Fingerprint Images |
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48 | (2) |
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4.5.2 Quality Estimation of Fingerprint Samples |
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50 | (1) |
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51 | (2) |
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4.5.4 Feature Extraction and Matching |
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53 | (5) |
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4.5.4.1 Correlation-Based Techniques |
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53 | (1) |
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4.5.4.2 Minutiae-Based Methods |
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54 | (3) |
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4.5.4.3 Other Feature-Based Methods |
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57 | (1) |
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4.5.5 Fingerprint Classification and Indexing |
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58 | (1) |
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4.5.6 Computation of Synthetic Fingerprint Images |
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59 | (1) |
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4.6 Touchless Fingerprint Biometrics |
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60 | (19) |
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4.6.1 Fingerprint Recognition Based on Touchless Two-Dimensional Samples |
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62 | (7) |
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63 | (2) |
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4.6.1.2 Computation of a Touch-Equivalent Image |
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65 | (1) |
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4.6.1.3 Touch-Equivalent Samples from Multiple Images |
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66 | (2) |
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4.6.1.4 Feature Extraction and Matching |
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68 | (1) |
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4.6.2 Fingerprint Recognition Based on Touchless Three-Dimensional Samples |
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69 | (8) |
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70 | (4) |
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4.6.2.2 Computation of a Touch-Equivalent Image |
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74 | (2) |
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4.6.2.3 Feature Extraction and Matching |
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76 | (1) |
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4.6.3 Applications of Touchless Fingerprint Biometrics |
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77 | (2) |
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79 | (4) |
5 Touchless Fingerprint Recognition |
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83 | (54) |
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5.1 Touchless Fingerprint Recognition Techniques |
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83 | (3) |
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5.2 Methods Based on Two-Dimensional Samples |
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86 | (20) |
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87 | (1) |
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5.2.2 Quality Assessment of Touchless Fingerprint Images |
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87 | (6) |
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5.2.2.1 Computation of the ROI |
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89 | (1) |
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5.2.2.2 Quality Assessment Based on Computational Intelligence Classifiers (Method QA) |
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89 | (3) |
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5.2.2.3 Quality Assessment Based on Techniques Described in the Literature (Method QB) |
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92 | (1) |
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5.2.3 Computation of Touch-Equivalent Images |
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93 | (2) |
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5.2.3.1 Enhancement Based on Contextual Filters (Method EA) |
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93 | (2) |
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5.2.3.2 Enhancement Based on the Ridge-Following Approach (Method EB) |
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95 | (1) |
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5.2.3.3 Resolution Normalization |
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95 | (1) |
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5.2.4 Analysis of Level 1 Features in Touchless Fingerprint Images |
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95 | (4) |
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5.2.4.1 Singular Region Estimation |
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97 | (1) |
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5.2.4.2 Feature Extraction |
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98 | (1) |
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5.2.4.3 Core Estimation Using Computational Intelligence Techniques |
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99 | (1) |
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5.2.5 Analysis of Level 2 Features in Touchless Fingerprint Images |
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99 | (1) |
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5.2.6 Reduction of Perspective and Rotation Effects |
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100 | (6) |
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5.2.6.1 Image Preprocessing |
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101 | (1) |
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5.2.6.2 Finger Rotation Simulation |
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102 | (1) |
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5.2.6.3 Feature Extraction |
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103 | (2) |
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5.2.6.4 Rotation Estimation with Neural Networks |
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105 | (1) |
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5.2.6.5 Template Computation |
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106 | (1) |
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5.3 Methods Based on Three-Dimensional Models |
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106 | (20) |
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5.3.1 Three-Dimensional Reconstruction of Minutiae Points |
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106 | (5) |
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5.3.1.1 Acquisition, Image Preprocessing, and Minutiae Estimation |
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107 | (2) |
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5.3.1.2 Computation of Features Related to Each Minutia |
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109 | (1) |
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5.3.1.3 Classification of Minutiae Pairs |
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110 | (1) |
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5.3.1.4 Three-Dimensional Reconstruction of Minutiae Pairs |
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110 | (1) |
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5.3.2 Three-Dimensional Reconstruction of the Finger Surface |
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111 | (9) |
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5.3.2.1 Camera Calibration |
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112 | (1) |
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5.3.2.2 Image Acquisition |
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112 | (3) |
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5.3.2.3 Image Preprocessing |
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115 | (2) |
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5.3.2.4 Extracting and Matching the Reference Points |
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117 | (1) |
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5.3.2.5 Refining the Pairs of Reference Points |
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118 | (2) |
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5.3.2.6 Three-Dimensional Surface Estimation and Image Wrapping |
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120 | (1) |
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5.3.2.7 Texture Enhancement |
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120 | (1) |
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5.3.3 Feature Extraction and Matching Based on Three-Dimensional Templates |
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120 | (2) |
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5.3.4 Unwrapping Three-Dimensional Models |
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122 | (1) |
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5.3.5 Quality Assessment of Touch-Equivalent Fingerprint Images Obtained from Three-Dimensional Models |
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123 | (3) |
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5.3.5.1 Image Segmentation |
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125 | (1) |
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5.3.5.2 Feature Extraction |
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125 | (1) |
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5.3.5.3 Quality Estimation |
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126 | (1) |
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5.4 Computation of Synthetic Touchless Fingerprint Samples |
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126 | (8) |
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5.4.1 Computation of the Silhouette |
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127 | (2) |
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5.4.1.1 Computation of Average Silhouettes from Real Images |
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127 | (1) |
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5.4.1.2 Simulation of the Finger Silhouette |
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128 | (1) |
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5.4.2 Computation of the Three-Dimensional Finger Shape |
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129 | (1) |
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5.4.3 Computation of the Three-Dimensional Ridge Pattern |
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129 | (4) |
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5.4.3.1 Ridge-Pattern Analysis |
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129 | (2) |
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131 | (1) |
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5.4.3.3 Computation of the Three-Dimensional Ridges |
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131 | (1) |
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5.4.3.4 Simulation of Camera Focus |
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131 | (1) |
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5.4.3.5 Superimposition of the Ridges |
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132 | (1) |
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5.4.4 Simulation of the Skin Color |
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133 | (1) |
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5.4.5 Simulation of the Illumination Conditions |
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133 | (1) |
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5.4.6 Simulation of a Multiple-View Acquisition |
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133 | (1) |
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134 | (3) |
6 Experimental Results |
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137 | (58) |
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6.1 Methods Based on Single Touchless Images |
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138 | (16) |
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6.1.1 Quality Estimation of Touchless Fingerprint Images |
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138 | (6) |
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6.1.1.1 Creation of the Training and Test Datasets |
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138 | (2) |
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6.1.1.2 Application of Proposed Method QB |
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140 | (1) |
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6.1.1.3 Application of Proposed Method QA |
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140 | (2) |
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6.1.1.4 Final Results and Discussion |
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142 | (2) |
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6.1.2 Analysis of Level 1 Features in Touchless Fingerprint Images |
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144 | (3) |
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6.1.2.1 Creation of the Training and Test Datasets |
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144 | (1) |
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6.1.2.2 Computational Intelligence Techniques and Obtained Results |
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145 | (2) |
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6.1.3 Reduction of Perspective and Rotation Effects |
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147 | (7) |
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6.1.3.1 Creation of the Evaluation Datasets and Tuning of the Parameters |
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147 | (1) |
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6.1.3.2 Simulation of Finger Rotation |
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148 | (1) |
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6.1.3.3 Neural Estimation of the Roll-Angle Difference |
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149 | (2) |
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6.1.3.4 Effects of the Proposed Approach on the Performances of the Biometric System |
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151 | (3) |
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6.2 Methods Based on Three-Dimensional Models |
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154 | (15) |
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6.2.1 Three-Dimensional Reconstruction of the Minutiae Points |
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154 | (2) |
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6.2.1.1 Creation of the Training and Testing Datasets |
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154 | (1) |
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6.2.1.2 Classification of Minutiae Pairs |
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155 | (1) |
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6.2.1.3 Computation of Three-Dimensional Minutia |
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156 | (1) |
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6.2.2 Three-Dimensional Reconstruction of the Finger Surface |
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156 | (7) |
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6.2.2.1 The Used Datasets |
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159 | (1) |
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6.2.2.2 Parameters of the Proposed Methods |
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160 | (1) |
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6.2.2.3 Accuracy of the Three-Dimensional Reconstruction Methods |
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160 | (3) |
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6.2.3 Quality Assessment of Unwrapped Fingerprint Images |
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163 | (1) |
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6.2.4 Classification Results |
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164 | (2) |
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6.2.5 Comparison with Literature Methods |
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166 | (3) |
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6.3 Comparison of Biometric Recognition Methods |
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169 | (20) |
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170 | (1) |
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6.3.2 Parameters Used by Touchless Techniques |
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171 | (1) |
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171 | (6) |
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6.3.3.1 Results of the Approach Based on Two-Dimensional Samples |
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171 | (2) |
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6.3.3.2 Results of the Approach Based on Three-Dimensional Samples |
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173 | (3) |
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6.3.3.3 Comparison of Different Technologies |
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176 | (1) |
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177 | (2) |
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179 | (1) |
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179 | (1) |
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180 | (1) |
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181 | (4) |
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185 | (3) |
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188 | (1) |
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188 | (1) |
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188 | (1) |
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6.4 Computation of Synthetic Three-Dimensional Models |
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189 | (4) |
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193 | (2) |
7 Conclusions and Future Work |
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195 | (4) |
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195 | (1) |
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196 | (3) |
References |
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199 | (20) |
Index |
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219 | |