Real-Time System for Elliptical-Based Face Detection'

摘要

In this paper, we present a real-time ellipse detector in gray scale images with a new multiple stagearchitecture based on a 3-accumulator version of the Fast Hough Transform with a previous Canny edgeextraction. The system can be applied to detect different elliptical objects and is robust to incompleteellipses, cluttered backgrounds and illumination changes. It achieves 12 frames per second on a PC Pen-tium 4, 2.80 G Hz. Experimental results, focusing on faces, with both static and video images are showed.The presented ellipse detector can be used as a preprocessing module in a face tracking or recognition appli-cation.