DocumentCode
433176
Title
Automatic detection of digital zooms
Author
Buzzi, Jérôme ; Guichard, Frédéric
Author_Institution
DOLabs, France
Volume
5
fYear
2004
fDate
24-27 Oct. 2004
Firstpage
2981
Abstract
We propose and evaluate a method to determine whether a given digital image is the result of a digital zoom in or more generally of a linear interpolation. This information is important to some post-processing. It also sheds some light on the actual resolution of some digital cameras.
Keywords
cameras; data compression; image coding; image resolution; interpolation; automatic detection; digital camera; digital image; digital zoom; linear interpolation; Digital cameras; Digital images; Discrete cosine transforms; Image coding; Image databases; Image reconstruction; Indexes; Interpolation; Motion pictures; Transform coding;
fLanguage
English
Publisher
ieee
Conference_Titel
Image Processing, 2004. ICIP '04. 2004 International Conference on
ISSN
1522-4880
Print_ISBN
0-7803-8554-3
Type
conf
DOI
10.1109/ICIP.2004.1421739
Filename
1421739
Link To Document