论文标题
面部抗散热器的周期性分离特征翻译
Cyclically Disentangled Feature Translation for Face Anti-spoofing
论文作者
论文摘要
当前的域域适应方法,用于面部抗刺激性杠杆标记的源域数据和未标记的目标域数据,以获得有希望的概括决策边界。 However, it is usually difficult for these methods to achieve a perfect domain-invariant liveness feature disentanglement, which may degrade the final classification performance by domain differences in illumination, face category, spoof type, etc. In this work, we tackle cross-scenario face anti-spoofing by proposing a novel domain adaptation method called cyclically disentangled feature translation network (CDFTN).具体而言,CDFTN生成具有伪标记的样品:1)源域,不变性特征和2)目标域特异性内容特征,这些特征是通过域对抗训练而散布的。在源域标签的监督下,根据合成伪标记的图像对鲁棒分类器进行训练。我们通过利用来自更未标记的目标域的数据来进一步扩展了多目标域适应性的CDFTN。在几个公共数据集上进行的广泛实验表明,我们提出的方法显着优于最新技术。
Current domain adaptation methods for face anti-spoofing leverage labeled source domain data and unlabeled target domain data to obtain a promising generalizable decision boundary. However, it is usually difficult for these methods to achieve a perfect domain-invariant liveness feature disentanglement, which may degrade the final classification performance by domain differences in illumination, face category, spoof type, etc. In this work, we tackle cross-scenario face anti-spoofing by proposing a novel domain adaptation method called cyclically disentangled feature translation network (CDFTN). Specifically, CDFTN generates pseudo-labeled samples that possess: 1) source domain-invariant liveness features and 2) target domain-specific content features, which are disentangled through domain adversarial training. A robust classifier is trained based on the synthetic pseudo-labeled images under the supervision of source domain labels. We further extend CDFTN for multi-target domain adaptation by leveraging data from more unlabeled target domains. Extensive experiments on several public datasets demonstrate that our proposed approach significantly outperforms the state of the art.