Title :
Detection of digital forgeries using an image interpolation from digital images
Author :
Yun, Yong-In ; Lee, Jung-Beom ; Jung, Da-Un ; Har, Dong-Hwan ; Choi, Jong-Soo
Author_Institution :
Grad. Sch. of Adv. Imaging Sci., Multimedia & Film, Chung-Ang Unversity, Seoul
Abstract :
Most of digital forgeries are created by Adobe Photoshopreg. Detecting digital forgery is one of most important emerging technology to solve digital forgery of digital images taken by a digital camera. This paper proposes a new method for detecting digital forgery using an image interpolation technique from digital images. When digital forgery is produced from digital images, it always includes the interpolated image between the images. Our approach is to compute the interpolated coefficient for the images using expectation-maximization (EM) algorithm. We demonstrate detecting the forgery images used to each filter for the tool of Adobe Photoshopreg and show a ratio of detecting the forgery images.
Keywords :
copy protection; desktop publishing; expectation-maximisation algorithm; image processing; Adobe Photoshop; digital forgeries; digital images; expectation-maximization algorithm; image interpolation; Digital cameras; Digital filters; Digital images; Digital multimedia broadcasting; Educational institutions; Forgery; Image analysis; Interpolation; Lighting; Multimedia communication; digital forgery; expectationmaximization; image filter; interpolation;
Conference_Titel :
Consumer Electronics, 2008. ISCE 2008. IEEE International Symposium on
Conference_Location :
Vilamoura
Print_ISBN :
978-1-4244-2422-1
Electronic_ISBN :
978-1-4244-2422-1
DOI :
10.1109/ISCE.2008.4559532
