An Improved Wavelet Domain Digital Watermarking for Image Protection.
DejeyR. S. RajeshPublished in: Int. J. Wavelets Multiresolution Inf. Process. (2010)
Keyphrases
- wavelet domain
- discrete wavelet transform
- multiscale
- digital watermarking
- watermarking algorithm
- wavelet coefficients
- input image
- image classification
- digital watermark
- watermark embedding
- watermarking technique
- multiresolution
- image segmentation
- wavelet transform
- denoising
- watermarked image
- spatial domain
- image data
- geometric distortions
- subband
- high frequency
- edge detection
- watermark detection
- image denoising
- gray level images
- image retrieval
- high resolution
- low frequency
- image processing
- lossy compression
- low level
- digital images
- digital content
- test images
- pixel values
- human visual system
- jpeg compression
- high quality
- frequency domain
- high level
- image quality
- signal processing
- motion estimation