Head Mouse

Abstract: Head tracking driven virtual computer mouse system called “head mouse”, is developed for manipulating hand free perceptual user interfaces. It consists the characteristics of a Robust, Real-time head tracker, Head pose/Motion estimator, Virtual mouse control module. For detecting faces in color images we use the Ad boost algorithm. At the first stage, skin color model in the YCbCr chrominance space is built to segment pixels which are non-skin-color from the image. Then in the later stages, to remove the noisy regions and fill holes in the skin-color region, the mathematical morphological operators are used that can extract candidate human face regions. By using this, the cursor position is navigated and fine-tuned by using head tilt or yaw rotation the relative position of tracking window in image space is beneficial under the circumstances of user jumping, extreme movement, large degree rotation, turning around, hand/object occlusion, part face out of camera shooting region and multi-user occlusion. It encourages the applications of Interactive computer games, Machine guidance, Robot control and machine access for disabilities and elders.

Keywords: HCI, Perceptual user interfaces, Face tracking, feature detection, cursor control, video processing.