Improved 3D Lighting Environment Estimation for Image Forgery Detection

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	Improved 3D Lighting Environment Estimation for Image Forgery Detection
	Peng, Bo; Wang, Wei; Dong, Jing; Tan, Tieniu; Wei Wang
	2016
会议名称	IEEE International Workshop on Information Forensics and Security
会议录名称	Proceedings of IEEE International Workshop on Information Forensics and Security
页码	1-6
会议日期	November, 2015
会议地点	Rome, Italy
摘要	3D lighting environment is an important clue in an image that can be used for image forgery detection. Existing forensic methods exploring lighting environment consistency are based on many assumptions, among which convexity and constant reflectance of the surface are two critical ones. In this paper, we propose an improved 3D lighting environment estimation method based on a more general surface reflection model. We relax the two assumptions by incorporating the local geometry and texture information into our position dependent reflection model. The proposed model is more realistic for objects like human faces which are non-convex and textured. Experiments show that the proposed method can achieve improved lighting environment estimation accuracy compared to the previous method and has better forgery detection efficacy.
关键词	Image Forensics Human Faces Lighting Estimation Assumption Relaxation
收录类别	EI
文献类型	会议论文
条目标识符	http://ir.ia.ac.cn/handle/173211/12303
专题	智能感知与计算研究中心
通讯作者	Wei Wang
作者单位	Center for Research on Intelligent Perception and Computing, National Laboratory of Pattern Recognition, Institute of Automation, Chinese Academy of Sciences
第一作者单位	模式识别国家重点实验室
推荐引用方式 GB/T 7714	Peng, Bo,Wang, Wei,Dong, Jing,et al. Improved 3D Lighting Environment Estimation for Image Forgery Detection[C],2016:1-6.

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