Color-Decoupled Photo Response Non-Uniformity for
2016-08-23
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The last few years have seen the use of photo
response non-uniformity noise (PRNU), a unique fingerprint of
imaging sensors, in various digital forensic applications such as
source device identification, content integrity verification, and
authentication. However, the use of a color filter array for
capturing only one of the three color components per pixel
introduces color interpolation noise, while the existing methods
for extracting PRNU provide no effective means for addressing
this issue. Because the artificial colors obtained through
the co
response non-uniformity noise (PRNU), a unique fingerprint of
imaging sensors, in various digital forensic applications such as
source device identification, content integrity verification, and
authentication. However, the use of a color filter array for
capturing only one of the three color components per pixel
introduces color interpolation noise, while the existing methods
for extracting PRNU provide no effective means for addressing
this issue. Because the artificial colors obtained through
the co
matlab
图像
取证
数字
颜色
均匀
反应
解耦
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