21 search results - page 3 / 5 » mediaforensics 2010 |
MEDIAFORENSICS
2010
13 years 6 months ago
2010
Current image re-sampling detectors can reliably detect re-sampling in JPEG images only up to a Quality Factor (QF) of 95 or higher. At lower QFs, periodic JPEG blocking artifacts...
MEDIAFORENSICS
2010
13 years 6 months ago
2010
In this paper, we propose a practical approach to minimizing embedding impact in steganography based on syndrome coding and trellis-coded quantization and contrast its performance...
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...
MEDIAFORENSICS
2010
13 years 6 months ago
2010
Sensor fingerprint is a unique noise-like pattern caused by slightly varying pixel dimensions and inhomogeneity of the silicon wafer from which the sensor is made. The fingerprint...
MEDIAFORENSICS
2010
13 years 6 months ago
2010
This paper considers the security aspect of the robust zero-bit watermarking technique `Broken Arrows'(BA),1 which was invented and tested for the international challenge BOW...