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Implicit face model: Depth super-resolution for 3D face recognition

delete2025-06-01
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PRE
AI
M
Mei Wang *
R
Ruizhuo Xu
W
Weihong Deng
黄华 封面图
黄华 (Hua Huang)
DOI:10.1016/j.patcog.2025.111353delete
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摘要

摘要

En 中文
虽然三维人脸识别(FR)在现实应用中具有巨大潜力,但挑战在于获取高质量深度图像。人脸超分辨率专注于从低分辨率图像重建高分辨率图像,但其应用于三维FR尚未得到深入研究。本文设计了一种隐式人脸模型(IFM),证明了隐式神经表示在连续方式下恢复深度人脸的可行性。IFM以低分辨率域坐标中分布的坐标和潜在编码作为输入,预测高分辨率域给定坐标处的深度值。为实现像素级恢复的同时确保身份相关细节,本文提出了一种注意力引导的L1损失,用于优先恢复关键面部结构。引入了一种结合傅里叶特征和坐标嵌入的位置编码策略,以保留高频细节。大量实验验证了IFM在单深度超分辨率任务中的有效性,并展示了这些超分辨率人脸在三维FR中表现出色的性能。我们的代码已公开发布在https://github.com/wm-bupt/IFM。
Keyword:
Super-resolution
3D face recognition
Implicit neural representation
Depth map

期刊

Pattern Recognition 封面图
Pattern Recognition
IF:
7.6
论文数:
1.4W
被引数:
4.5W

机构

B
Beijing Univ Posts and Telecommun
学者数:
719
论文数: 311
被引数: 55
引用论文

引用论文

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