87 search results - page 4 / 18 » On the use of discrete Pascal transform in hiding data in im... |
IJACTAICIT
2010
13 years 4 months ago
2010
The aim of this work is to design an algorithm which combines between steganography and cryptography that can hide a text in an image in a way that prevents, as much as possible, ...
ICMCS
2005
IEEE
14 years 1 months ago
2005
IEEE
In this research, an architecture that performs both forward and inverse lifting-based discrete wavelet transform is proposed. The proposed architecture reduces the hardware requi...
ASAP
2005
IEEE
14 years 1 months ago
2005
IEEE
This paper focuses on SIMD implementations of the 2D discrete wavelet transform (DWT). The transforms considered are Daubechies’ real-to-real method of four coefficients (Daub-...
CVPR
2012
IEEE
11 years 10 months ago
2012
IEEE
Most image understanding algorithms begin with the extraction of information thought to be relevant to the particular task. This is commonly known as feature extraction and has, u...
CF
2006
ACM
14 years 1 months ago
2006
ACM
The discrete wavelet transform (DWT) is used in several image and video compression standards, in particular JPEG2000. A 2D DWT consists of horizontal filtering along the rows fo...