53 search results - page 1 / 11 » Determining Image Origin and Integrity Using Sensor Noise |
TIFS
2008
13 years 4 months ago
2008
In this paper, we provide a unified framework for identifying the source digital camera from its images and for revealing digitally altered images using photo-response nonuniformit...
DPHOTO
2010
13 years 6 months ago
2010
Accurate noise level estimation is essential to assure good performance of noise reduction filters. Noise contaminating raw images is typically modeled as additive white and Gauss...
IH
2007
Springer
13 years 10 months ago
2007
Springer
In this paper, we describe a new forensic tool for revealing digitally altered images by detecting the presence of photo-response non-uniformity noise (PRNU) in small regions. This...
MEDIAFORENSICS
2010
13 years 6 months ago
2010
In camera identification using sensor noise, the camera that took a given image can be determined with high certainty by establishing the presence of the camera's sensor fing...
IWCF
2009
Springer
13 years 11 months ago
2009
Springer
The Photo Response Non-Uniformity acts as a digital fingerprint that can be used to identify image sensors. This characteristic has been used in previous research to identify sca...