Wavelet versus DCT-based spread spectrum watermarking of image databases.
Mihai MitreaTitus B. ZahariaFrançoise J. PrêteuxAdriana VladPublished in: Image Processing: Algorithms and Systems (2004)
Keyphrases
- image database
- spread spectrum watermarking
- wavelet transform
- image compression
- image retrieval
- content based retrieval
- image content
- image data
- multiscale
- wavelet coefficients
- denoising
- discrete cosine transform
- multiresolution
- wavelet domain
- image similarity
- image indexing
- feature extraction
- digital images
- image processing
- dct domain