International Journal of Computer Applications
On the World Wide Web (WWW), a large amount of image content is distributed, owing to the rapid progress in digital camera technologies. For presenting evidence in a court and helping police investigations digital camera identification, which is the identification of the source camera of input image is becoming increasingly important. A digital camera identification method using the image sensor's pattern noise has received considerable attention in recent years. The existence of differences between the sensitivities of pixels Photo-Response Non-Uniformity (PRNU) noise is mainly generated and it is useful as a fingerprint of a camera.