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A conditional random field for automatic photo editing

机译:自动照片编辑的条件随机字段

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We introduce a method for fully automatic touch-up of face images by making inferences about the structure of the scene and undesirable textures in the image. A distribution over image segmentations and labelings is computed via a conditional random field; this distribution controls the application of various local image transforms to regions in the image. Parameters governing both the labeling and transforms are jointly optimized w.r.t. a training set of before-and-after example images. One major advantage of our formulation is the ability to approximately marginalize over all possible labelings and thus exploit much or most of the information in the distribution; this yields better results than MAP inference. We demonstrate with a system that is trained to correct red-eye, reduce specularities, and remove acne and other blemishes from faces, showing results with test images scavenged from acne-themed internet message boards.
机译:我们介绍一种通过对图像结构和图像中的不期望的纹理进行推断来完全自动触摸面部图像的方法。通过条件随机字段计算图像分割和贴标的分布;该分布控制各种本地图像的应用变换到图像中的区域。管理标签和变换的参数是联合优化的w.r.t.在和之后的示例图像之前的培训集。我们配方的一个主要优势是能够大致边缘化所有可能的贴标,从而利用了分配中的多大或大部分信息;这产生了比MAP推断更好的结果。我们用培训的系统展示了训练以纠正红眼,减少镜面和从面部去除痤疮和其他瑕疵,显示出从痤疮主题的互联网留言板清除的测试图像的结果。

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