Sciweavers

10661 search results - page 7 / 2133
» Processing JPEG-Compressed Images
Sort
View
CSIE
2009
IEEE
15 years 4 months ago
An Improved Algorithm of Digital Watermarking Based on Wavelet Transform
In this paper, a digital image watermarking technique based on Discrete Wavelet Transform (DWT) will be proposed. This scheme is designed utilizing principles deriving from the hu...
Jianhong Sun, Junsheng Li, Zhiyong Li
ICIP
2005
IEEE
15 years 3 months ago
Digital "bullet scratches" for images
The problem investigated in this paper is identification of sensor that was used to obtain a given digital image. We show that the high-medium frequency component of the sensor pa...
Jan Lukás, Jessica J. Fridrich, Miroslav Go...
MMSEC
2006
ACM
195views Multimedia» more  MMSEC 2006»
15 years 3 months ago
Image annotation watermarking: nested object embedding using hypergraph model
In this paper, we introduce to the special domain of image annotation watermarking, based on embedding of hierarchical data related to objects into user-selected areas on an image...
Claus Vielhauer, Maik Schott
74
Voted
TCSV
2008
134views more  TCSV 2008»
14 years 9 months ago
Invariant Image Watermarking Based on Statistical Features in the Low-Frequency Domain
Watermark resistance to geometric attacks is an important issue in the image watermarking community. Most countermeasures proposed in the literature usually focus on the problem of...
Shijun Xiang, Hyoung-Joong Kim, Jiwu Huang
TIFS
2008
120views more  TIFS 2008»
14 years 9 months ago
Determining Image Origin and Integrity Using Sensor Noise
In this paper, we provide a unified framework for identifying the source digital camera from its images and for revealing digitally altered images using photo-response nonuniformit...
Mo Chen, Jessica J. Fridrich, Miroslav Goljan, Jan...