Adaptive Data Hiding for Images Based on Harr Discrete Wavelet Transform.
Bo-Luen LaiLong-Wen ChangPublished in: PSIVT (2006)
Keyphrases
- discrete wavelet transform
- data hiding
- secret data
- image analysis
- multiresolution
- image data
- input image
- lossy compression
- wavelet domain
- subband
- jpeg images
- wavelet coefficients
- test images
- original images
- spatial domain
- halftone images
- high frequency
- error correction
- edge detection
- gaussian noise
- gabor filters
- similarity measure
- image quality
- high capacity
- high quality