Facial features detection and localization , an important technique in human face analysis , is specialized in searching for facial features (eyes , nose , mouth , ears , etc) with in a given region in an image or image sequence .

• 脸部的检测定位是人脸分析技术的一个重要组成部分，其目标是在图像或图像序列中搜索人脸的特征(如眼、鼻、嘴、耳等)的位置，它可广泛应用于人脸跟踪、人脸识别、姿态识别、表情识别、头部图像压缩及重构、脸部动画等领域。