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Sensors and Methods for Mobile Robot Positioning

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Chapter 9 Vision-Based <strong>Positioning</strong> .........................................207<br />

9.1 Camera Model <strong>and</strong> Localization .........................................207<br />

9.2 L<strong>and</strong>mark-Based <strong>Positioning</strong> ............................................209<br />

9.2.1 Two-Dimensional <strong>Positioning</strong> Using a Single Camera .....................209<br />

9.2.2 Two-Dimensional <strong>Positioning</strong> Using Stereo Cameras ......................211<br />

9.3 Camera-Calibration Approaches .........................................211<br />

9.4 Model-Based Approaches ..............................................213<br />

9.4.1 Three-Dimensional Geometric Model-Based <strong>Positioning</strong> ...................214<br />

9.4.2 Digital Elevation Map-Based Localization ..............................215<br />

9.5 Feature-Based Visual Map Building ......................................215<br />

9.6 Summary <strong>and</strong> Discussion ...............................................216<br />

Appendix A A Word on Kalman Filters ......................................218<br />

Appendix B Unit Conversions <strong>and</strong> Abbreviations ..............................219<br />

Appendix C Systems-at-a-Glance Tables .....................................221<br />

References ..............................................................236<br />

Subject Index ............................................................262<br />

Author Index ............................................................274<br />

Company Index ..........................................................278<br />

Bookmark Index .........................................................279<br />

Video Index .............................................................280<br />

Full-length Papers Index ...................................................281<br />

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