Robust and reliable image copyright protection scheme using downsampling and block transform in integer wavelet domain.
Lina ZhangDeyun WeiPublished in: Digit. Signal Process. (2020)
Keyphrases
- wavelet domain
- multiscale
- wavelet decomposition
- wavelet transform
- input image
- transform coefficients
- protection scheme
- image data
- denoising
- wavelet coefficients
- multiresolution
- image denoising
- image classification
- subband
- spatial domain
- low level
- image segmentation
- high frequency
- discrete wavelet transform
- human visual system
- natural images
- similarity measure
- edge detection
- low frequency
- pixel values
- watermarking technique
- dct coefficients
- high resolution
- image retrieval
- transform domain
- object recognition
- frequency domain
- operating system
- copyright protection
- jpeg images
- video sequences
- bit rate