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一种有效的儿童照合成方法

DOI: 10.3724/SP.J.1004.2012.01941, PP. 1941-1949

Keywords: 儿童照合成,图像变形,形状约束,高斯径向基函数,主动形状模型

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Abstract:

?提出了一种儿童照合成的方法.分别给定男性、女性和原始儿童的图片,该方法从人脸轮廓和肤色两个层面上融合生成目标儿童图片.针对直接线性合成的人脸轮廓存在五官不成比例、扭曲等问题,利用基于统计的方法得到标准儿童模板,并用该模板对人脸轮廓进行约束,进而求解得到最终的儿童轮廓.此外,本文重新构造了基于高斯径向基的变形函数,消除因仿射变换而导致的图像拉伸和扭曲.最后,本文采用交叉融合的方法合成儿童图像,并提出了用滤波器去除额头区域可能存在的虚影.实验证明,利用本文方法融合得到的儿童不仅具有父母亲的特征,而且具有较高的视觉美感.

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