通过对成年男女各100幅真实照片进行特征提取和特征统计,获得平均人脸特征分布信息,对新输入的人脸照片进行特征比对,发现其相对突出的特征,采用主动形状模型特征提取和特征线对相结合的方法,对突出的特征实现自动变形,生成人物的卡通肖像.实验结果表明,该方法具有人脸数据量大、特征提取和发现的自动化、变形效果好等优点.
This paper presents a system for automatic generation of human caricature. By the scheme proposed in the system, we first extract facial feature parameters from the real facial photos of 100 males and 100 females respectively, and we calculate the average facial features through a statistic procedure. There are in total 19 features parameters with their distributions calculated. Then when a new facial image is inputted, its features are compared with the average face to discover the personal features of the individual, and by exaggerating the personal features, we realize the caricature through image warping. In the warping process, the improved active shape model (ASM) and feature based warping method are adopted, and as a result, we can extract the features and warp the face automatically. Experiments show that our method performs well.