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Hidden Conditional Random Fields for Face Recognition

机译:面部识别的隐藏条件随机字段

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This paper proposes a hidden conditional random field(HCRF) model for face recognition. Face images are separated as a series of block and 2D-DCT feature vectors is extracted in each block. Libsvm is used as a local discriminative model that outputs the association of the feature vectors with latent variables. HCRF is used to model the entire hidden state sequence. The method proposed in this paper achieves a higher recognition rate compared to the state-of-the-art in ORL database. The resusts indicate that integrating various dependencies between latent variables is useful for face recognition.
机译:本文提出了一种用于人脸识别的隐藏条件随机场(HCRF)模型。面部图像被分开,因为一系列块和2D-DCT特征向量在每个块中提取。 libsvm用作局部辨别模型,该模型输出具有潜在变量的特征向量的关联。 HCRF用于模拟整个隐藏状态序列。与ORL数据库中,本文提出的方法达到了更高的识别率。追溯表明,集成潜在变量之间的各种依赖性对于面部识别是有用的。

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