论文标题
超级前线:从低分辨率到高分辨率额面合成
SuperFront: From Low-resolution to High-resolution Frontal Face Synthesis
论文作者
论文摘要
随着深度学习主题的进一步发展,面对面旋转的进步以及其他基于面部的生成任务更加频繁。即使在综合面孔中达到了令人印象深刻的里程碑,在实践中仍然需要保持身份的重要性,也不应忽略。同样,对于具有遮盖的面孔,较重的姿势和较低质量的数据,难度不应该更多。现有的方法倾向于集中在姿势变化的样品上,但假设数据的质量很高。我们提出了一个基于生成的对抗网络(GAN)的模型,以从一个或多个低分辨率(LR)面部以极端姿势产生高质量的身份额面。具体而言,我们建议超级gan(SF-GAN)合成高分辨率(HR),从一到多种姿势的一到多种姿势的正面面,并保留身份。我们将超分辨率(SR)侧视模块整合到SF-GAN中,以保留身份信息和人力资源空间中侧视图的细节,这有助于模型重建面部(即眼周,鼻子和嘴巴区域)的高频信息。此外,SF-GAN接受多个LR面孔作为输入,并改进了每个添加的样本。我们在发电机中使用正交约束来削减性能的额外增益,以惩罚冗余的潜在表示,因此使学习的功能空间多样化。定量和定性结果证明了SF-GAN的优势比其他人的优越性。
Advances in face rotation, along with other face-based generative tasks, are more frequent as we advance further in topics of deep learning. Even as impressive milestones are achieved in synthesizing faces, the importance of preserving identity is needed in practice and should not be overlooked. Also, the difficulty should not be more for data with obscured faces, heavier poses, and lower quality. Existing methods tend to focus on samples with variation in pose, but with the assumption data is high in quality. We propose a generative adversarial network (GAN) -based model to generate high-quality, identity preserving frontal faces from one or multiple low-resolution (LR) faces with extreme poses. Specifically, we propose SuperFront-GAN (SF-GAN) to synthesize a high-resolution (HR), frontal face from one-to-many LR faces with various poses and with the identity-preserved. We integrate a super-resolution (SR) side-view module into SF-GAN to preserve identity information and fine details of the side-views in HR space, which helps model reconstruct high-frequency information of faces (i.e., periocular, nose, and mouth regions). Moreover, SF-GAN accepts multiple LR faces as input, and improves each added sample. We squeeze additional gain in performance with an orthogonal constraint in the generator to penalize redundant latent representations and, hence, diversify the learned features space. Quantitative and qualitative results demonstrate the superiority of SF-GAN over others.