Benford's law in image processing

被引：0
|
作者：
Perez-Gonzalez, Fernando [1 ]
Heileman, Greg L. [2 ]
Abdallah, Chaouki T. [2 ]
机构：
[1] Univ Vigo, ETSI Telecom, Dept Teor Senal & Comunicaciones, Vigo 32600, Spain
[2] Univ New Mexico, Dept ECE, Albuquerque, NM 87131 USA
来源：
2007 IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING, VOLS 1-7 | 2007年
关键词：
Benford's law; DCT; Fourier series; setaganalysis; watermarking;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We present a generalization of Benford's law for the first significant digit. This generalization is based on keeping two terms of the Fourier expansion of the probability density function of the data in the modular logarithmic domain. We prove that images in the Discrete Cosine Transform domain closely follow this generalization. We use this property to propose an application in image steganalysis, namely, detecting that a given image carries a hidden message.
引用
收藏
页码：405 / +
页数：2
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