<p>This hands-on guide gives an overview of computer vision and enables engineers to understand the implications and challenges behind mobile platform design choices. Using face-related algorithms as examples, the author surveys and illustrates how design choices and algorithms can be geared towards developing power-saving and efficient applications on resource constrained mobile platforms.</p><ul><li>Presents algorithms for face detection and recognition</li><li>Explains applications of facial technologies on mobile devices</li><li>Includes an overview of other computer vision technologies</li></ul>