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DeMeshNet: Blind Face Inpainting for Deep MeshFace Verification
Apr 08, 2018Author:
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Title: DeMeshNet: Blind Face Inpainting for Deep MeshFace Verification

 Authors: Zhang, S; He, R; Sun, ZN; Tan, TN

 Author Full Names: Zhang, Shu; He, Ran; Sun, Zhenan; Tan, Tieniu

 Source: IEEE TRANSACTIONS ON INFORMATION FORENSICS AND SECURITY, 13 (3):637-647; 10.1109/TIFS.2017.2763119 MAR 2018

 Language: English

 Abstract: MeshFace photos have been widely used in many Chinese business organizations to protect ID face photos from being misused. The occlusions incurred by random meshes severely degenerate the performance of face verification systems, which raises the MeshFace verification problem between MeshFace and daily photos. Previous methods cast this problem as a typical low-level vision problem, i.e., blind inpainting. They recover perceptually pleasing clear ID photos from MeshFaces by enforcing pixel level similarity between the recovered ID images and the ground-truth clear ID images and then perform face verification on them. Essentially, face verification is conducted on a compact feature space rather than the image pixel space. Therefore, this paper argues that pixel level similarity and feature level similarity jointly offer the key to improve the verification performance. Based on this insight, we offer a novel feature oriented blind face inpainting framework. Specifically, we implement this by establishing a novel DeMeshNet, which consists of three parts. The first part addresses blind inpainting of the MeshFaces by implicitly exploiting extra supervision from the occlusion position to enforce pixel level similarity. The second part explicitly enforces a feature level similarity in the compact feature space, which can explore informative supervision from the feature space to produce better inpainting results for verification. The last part copes with face alignment within the net via a customized spatial transformer module when extracting deep facial features. All three parts are implemented within an end-to-end network that facilitates efficient optimization. Extensive experiments on two MeshFace data sets demonstrate the effectiveness of the proposed DeMeshNet as well as the insight of this paper.

 ISSN: 1556-6013

 eISSN: 1556-6021

 IDS Number: FR0AJ

 Unique ID: WOS:000418723000007

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