利用乘性噪声分量识别精确传感器的新方法

2013 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB) Pub Date : 2013-12-09 DOI:10.1109/ISM.2013.46

B. Mahdian, S. Saic

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引用次数: 0

摘要

本文以一种新颖的方法对成像传感器的乘性确定性噪声分量进行分析和解析描述。具体地说，我们将展示如何使用该组件的乘法性质来推导一种能够对其进行估计的方法。由于每个传感器的噪声成分是唯一的，因此，导出的方法应用于数字图像弹道学任务，以查明创建特定数字照片的确切设备。此外，我们还对该方法进行了改进，使其能够抵抗光学变焦和JPEG压缩。

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A Novel Method for Identifying Exact Sensor Using Multiplicative Noise Component

In this paper, we analyze and analytically describe the multiplicative deterministic noise component of imaging sensors in a novel way. Specifically, we show how to use the multiplicative nature of this component to derive a method enabling its estimation. Since this noise component is unique per sensor, consequently, the derived method is applied on digital image ballistics tasks in order to pinpoint the exact device that created a specific digital photo. Moreover, we enhance the method to be resistent to optical zoom and JPEG compression.

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2013 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB)

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