| Preface | p. vii |
| Introduction | p. 1 |
| Biometrics and Gait | p. 1 |
| Contexts | p. 2 |
| Immigration and Homeland Security | p. 2 |
| Surveillance | p. 2 |
| Human ID at a Distance (HiD) Program | p. 3 |
| Book Structure | p. 3 |
| Subjects Allied to Gait | p. 5 |
| Overview | p. 5 |
| Literature | p. 5 |
| Medicine and Biomechanics | p. 6 |
| Basic Gait Analysis | p. 6 |
| Variation in Gait Covariate Factors | p. 10 |
| Psychology | p. 12 |
| Computer Vision-Based Human Motion Analysis | p. 13 |
| Other Subjects Allied to Gait | p. 15 |
| Gait Databases | p. 17 |
| Early Databases | p. 17 |
| UCSD Gait Data | p. 17 |
| Early Soton Gait Data | p. 18 |
| Current Databases | p. 20 |
| Overall Design Considerations | p. 20 |
| NIST/USF Database | p. 21 |
| Soton Database | p. 22 |
| Overview | p. 22 |
| Laboratory Layout | p. 24 |
| Outdoor Data Design Issues | p. 27 |
| Acquisition Set-up Procedure | p. 29 |
| Filming Issues | p. 29 |
| Recording Procedure | p. 30 |
| Ancillary Data | p. 31 |
| CASIA Database | p. 32 |
| UMD Database | p. 33 |
| Early Recognition Approaches | p. 35 |
| Initial Objectives and Constraints | p. 35 |
| Silhouette Based | p. 35 |
| Model Based | p. 39 |
| Silhouette-Based Approaches | p. 45 |
| Overview | p. 45 |
| Extending Shape Description to Moving Shapes | p. 48 |
| Area Masks | p. 49 |
| Gait Symmetry | p. 51 |
| Velocity Moments | p. 53 |
| Results | p. 54 |
| Recognition by Area Masks | p. 55 |
| Recognition by Symmetry | p. 58 |
| Recognition by Velocity Moments | p. 61 |
| Potency of Measurements of Silhouette | p. 63 |
| Procrustes and Spatiotemporal Silhouette Analysis | p. 65 |
| Automatic Gait Recognition Based on Procrustes Shape Analysis | p. 65 |
| Silhouette Detection and Representation for Procrustes Analysis | p. 66 |
| Silhouette Extraction | p. 66 |
| Representation of Silhouette Shapes | p. 68 |
| Procrustes Gait Feature Extraction and Classification | p. 69 |
| Procrustes Shape Analysis | p. 69 |
| Gait Signature Extraction | p. 69 |
| Similarity Measure and Classifier | p. 70 |
| Spatiotemporal Silhouette Analysis Based Gait Recognition | p. 70 |
| Spatiotemporal Feature Extraction | p. 72 |
| Feature Extraction and Classification | p. 73 |
| Experimental Results and Analysis | p. 77 |
| Procrustes Shape Analysis | p. 77 |
| Spatiotemporal Silhouette Analysis | p. 82 |
| Modeling, Matching, Shape and Kinematics | p. 89 |
| HMM Based Gait Recognition | p. 89 |
| Gait Recognition Framework | p. 90 |
| Direct Approach | p. 91 |
| Indirect Approach | p. 93 |
| DTW Based Gait Recognition | p. 94 |
| Gait Recognition Framework | p. 96 |
| Shape and Kinematics | p. 97 |
| Shape Analysis | p. 97 |
| Dynamical Models | p. 98 |
| Results | p. 100 |
| HMM Based Gait Recognition | p. 100 |
| DTW Based Gait Recognition | p. 102 |
| Shape and Kinematics | p. 104 |
| Model-Based Approaches | p. 107 |
| Overview | p. 107 |
| Planar Human Modeling | p. 109 |
| Modeling Walking and Running | p. 109 |
| Model-Based Extraction and Description | p. 111 |
| Kinematics-based People Tracking and Recognition in 3D Space | p. 114 |
| Model-based People Tracking using Condensation | p. 114 |
| Human Body Model | p. 115 |
| Learning Motion Model and Motion Constraints | p. 117 |
| Experiments and Discussions | p. 125 |
| Other Approaches | p. 131 |
| Structure by Body Parameters | p. 132 |
| Structural Model-based Recognition | p. 132 |
| Further Gait Developments | p. 135 |
| View Invariant Gait Recognition | p. 135 |
| Overview of the Algorithm | p. 136 |
| Optical flow based SfM approach | p. 137 |
| Homography based approach | p. 138 |
| Experimental Results | p. 138 |
| Gait Biometric Fusion | p. 141 |
| Fusion of Static and Dynamic Body Biometrics for Gait Recognition | p. 144 |
| Overview of Approach | p. 144 |
| Classifiers and Fusion Rules | p. 145 |
| Experimental Results and Analysis | p. 146 |
| Future Challenges | p. 151 |
| References | p. 157 |
| Literature | p. 157 |
| Medicine and Biomechanics | p. 157 |
| Covariate factors | p. 158 |
| Psychology | p. 159 |
| Computer Vision-Based Analysis of Human Motion | p. 160 |
| Databases | p. 161 |
| Early work | p. 162 |
| Current approaches | p. 163 |
| Further Analysis | p. 166 |
| Other Related Work | p. 169 |
| General | p. 169 |
| Appendices | p. 171 |
| Southampton Data Acquisition Forms | p. 171 |
| Laboratory Set-up Forms | p. 171 |
| Camera Set-up Forms | p. 175 |
| Session Coordinator's Instructions | p. 180 |
| Subject Information Form | p. 182 |
| Index | p. 185 |
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