61 search results - page 4 / 13 » Image Tamper Detection Based On Demosaicing Artifacts |
ICIP
2008
IEEE
14 years 8 months ago
2008
IEEE
In this paper, we analyze the formation of blocking artifacts as a result of quantization of the discrete cosine transform (DCT) coefficients. These artifacts are known to be the ...
AMC
2007
13 years 7 months ago
2007
Fragile watermarking techniques for digital content have been studied in the past few years. Fragile watermarks are used to determine if a piece of watermarked digital content has...
ISCAS
2003
IEEE
14 years 8 days ago
2003
IEEE
In this paper, we present a data hiding algorithm for binary document images. This algorithm is based on the DistanceReciprocal Distortion Measure [1] that is used to evaluate the...
ISCAS
2005
IEEE
14 years 17 days ago
2005
IEEE
—The pervasive distribution of digital images triggers an emergent need of authenticating degraded images by lossy compression and transmission. This paper proposes a robust cont...
ICSAP
2010
13 years 10 months ago
2010
—Image Segmentation is an important and challenging factor in the medical image segmentation. This paper describes segmentation method consisting of two phases. In the first phas...