A watermarking scheme for both spatial and frequency domain to extract the seal image without the original image.
Won-gyum KimChan-Woo LeeWon Don LeePublished in: ISSPA (1999)
Keyphrases
- frequency domain
- cross correlation
- spatial domain
- watermarking scheme
- low frequency
- watermarked image
- spectral signatures
- image authentication
- fourier transform
- watermarking technique
- geometric distortions
- template matching
- image data
- input image
- multiscale
- watermarking method
- watermark detection
- image segmentation
- digital watermarking
- high resolution
- denoising
- computer vision
- digital watermark
- subband
- image content
- copyright protection
- filter bank
- feature extraction
- jpeg compression
- face recognition
- similarity measure
- digital images
- test images
- edge detection