Perceptual Image Hashing Based on Virtual Watermark Detection.
Fouad KhelifiJianmin JiangPublished in: IEEE Trans. Image Process. (2010)
Keyphrases
- watermark detection
- image data
- input image
- high resolution
- multiscale
- low level
- image watermarking
- digital watermarking
- edge detection
- geometric distortions
- image segmentation
- digital images
- spread spectrum
- watermarking technique
- test images
- post processing
- watermarking scheme
- gray level images
- image regions
- human visual system
- pixel values
- binary images
- gray level
- natural images