人脸识别技术是一个非常活跃的研究领域，它覆盖了数字图像处理、模式识别、计算机视觉、神经网络、心理学、生理学、数学等诸多学科的内容-Face recognition technology is a very active research field, it covers digital image processing, pattern recognition, computer vision, neural networks, psychology, physiology, mathemati