Keyphrases
- barcode
- watermarking algorithm
- qr code
- image acquisition
- watermarking scheme
- error correction
- hough transform
- signal processing
- copyright protection
- mobile devices
- key technologies
- watermarking technique
- digital watermarking
- wavelet domain
- low quality
- blurred images
- image compression
- data hiding
- information hiding
- image processing
- denoising
- three dimensional