474 search results - page 5 / 95 » Region-Based Watermarking for Images |
ICIP
2000
IEEE
14 years 11 months ago
2000
IEEE
Content-based image retrieval, which provides convenient ways to retrieve images from large image databases, has been studied actively. While many previous image retrieval techniq...
IEEEMSP
2002
IEEE
14 years 3 months ago
2002
IEEE
—This paper investigates the feasibility of watermark embedding in the discrete cosine transform (DCT) domain for binary images. Watermark embedding is known difficult for binar...
ICIP
2006
IEEE
14 years 11 months ago
2006
IEEE
We introduce an optimum watermark embedding technique that satisfies common watermarking requirements such as visual fidelity, sufficient embedding rate, robustness against noise ...
ICMCS
2006
IEEE
14 years 4 months ago
2006
IEEE
Digital watermarking is one of the ways to prove the ownership and the authenticity of the media. However, some applications, such as medical and military, are sensitive to distor...
ICIP
1999
IEEE
14 years 2 months ago
1999
IEEE
This paper presents a model for watermarking and some attacks on watermarks. Given the watermarked signal, the so-called Wiener attack performs minimum mean-squared error (MMSE) es...