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1. 北京理工大学软件学院,北京,100081
2. 北京理工大学计算机学院,北京,100081
3. 北京理工大学软件学院,北京,100081
4. 北京理工大学计算机学院,北京,100081
Published:2013
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SONG Hong, HUANG Xiao-chuan, WANG Shu-liang. Automatic Generation of Portraits with Multiple Expressions[J]. Acta Electronica Sinica, 2013, 41(8): 1494-1499.
SONG Hong, HUANG Xiao-chuan, WANG Shu-liang. Automatic Generation of Portraits with Multiple Expressions[J]. Acta Electronica Sinica, 2013, 41(8): 1494-1499. DOI: 10.3969/j.issn.0372-2112.2013.08.007.
肖像是一种能够抓住人物特征
又能隐藏细节
保留个人隐私的艺术表现形式
本文提出一种以中性表情人脸作为输入
自动生成不同表情的肖像算法.首先利用主动形状模型(Active Shape Model
ASM)提取人脸的关键特征点
然后根据统计学习获取的不同表情人脸的FAP(Facial Animation Parameter)规则
对中性人脸的特征点进行变形
生成表情三角网格
将中性人脸图像作为纹理映射到表情人脸网格
生成表情人脸图像
最后利用图像的梯度域信息和非真实感渲染技术
将带表情的人脸生成具有肖像风格的人脸图像.所生成的多表情人脸肖像效果良好
能够应用于网络和报刊杂志等非真实感图形学和数字娱乐等领域中.
Portrait is a kind of art form
which can catch the features of a person
hide the details and keep the personal privacy.In this paper
an algorithm for automatic generation of human portrait with multiple expressions is presented.The Active Shape Model is used to extract facial features
and the set of Facial Animation Parameters is used to synthesis the multiple expressions for a neutral face.And with the gradient domain of the image and the Non-Photorealistic Rendering
the portrait-liked face images with multiple expressions can be generated automatically.The generated portraits are effective and vivid.They can be applied in non-photorealistic computer graphics and entertainment
such as video
network
newspapers and magazines.
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