95 search results - page 7 / 19 » Block Size Forensic Analysis in Digital Images |
JDCTA
2010
14 years 4 months ago
2010
Perceptual transparency and robustness are conflicting requirements. To ensure the security of the watermarkhow to choose the embedding position and intensity is a difficult probl...
MVA
2007
14 years 9 months ago
2007
The application of a technique for labelling connected components based on the classical recursive technique is studied. The recursive approach permits labelling, counting, and cha...
ICIAR
2005
Springer
15 years 3 months ago
2005
Springer
Digital images are increasingly being used as steganographic covers for secret communication. The Least Significant Bit (LSB) encoding is one of the most widely used methods for e...
ISCAS
2007
IEEE
15 years 3 months ago
2007
IEEE
— MPEG-2 to H.264/AVC transcoding is an important module for video recoding in digital TV applications. For pixel domain transcoding, MPEG-2 bitstream is decoded and then reencod...
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Voted
ICIP
2005
IEEE
15 years 11 months ago
2005
IEEE
Most block-based image authentication techniques that are presented in the literature sacrifice localization accuracy in order to resist vector quantization (VQ) counterfeiting att...