Deep Face Feature for Face Alignment and Reconstruction
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In this paper, we propose a novel face feature extraction method based on deep learning. Using synthesized multi-view face images, we train a deep face feature (DFF) extractor based on the correlation between projections of a face point on images from different views. A feature vector can be extracted for each pixel of the face image based on the trained DFF model, and it is more effective than general purpose feature descriptors for face-related tasks such as alignment, matching, and reconstruction. Based on the DFF, we develop an effective face alignment method with single or multiple face images as input, which iteratively updates landmarks, pose and 3D shape. Experiments demonstrate that our method can achieve state-of-the-art results for face alignment with a single image, and the alignment can be further improved with multi-view face images.
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