87 search results - page 2 / 18 » On the use of discrete Pascal transform in hiding data in im... |
MEDIAFORENSICS
2010
13 years 3 months ago
2010
Error correction codes of suitable redundancy are used for ensuring perfect data recovery in noisy channels. For iterative decoding based methods, the decoder needs to be initiali...
SPIESR
1998
13 years 6 months ago
1998
An approach to embedding gray scale images using a discrete wavelet transform is proposed. The proposed scheme enables using signature images that could be as much as 25% of the h...
ICIP
2007
IEEE
14 years 6 months ago
2007
IEEE
We present a method to compute the steganographic capacity for images, with odd-even based hiding in the quantized discrete cosine transform domain. The method has been generalize...
JIPS
2010
12 years 11 months ago
2010
This paper proposes a novel reversible data hiding scheme based on a Vector Quantization (VQ) codebook. The proposed scheme uses the principle component analysis (PCA) algorithm to...
IJNSEC
2007
13 years 4 months ago
2007
In this paper, we propose a discrete cosine transform (DCT) based spread spectrum data-hiding algorithm that is resilient to statistical attacks. Unlike other spread spectrum base...