Devices to Preserve Watermark Security in Image Printing and Scanning.

Josef Scharinger

Published in: EUROCAST (2003)

Keyphrases

image features
image processing operations
input image
image data
single image
scanned images
geometric distortions
watermarking technique
image segmentation
image scrambling
digital images
image blocks
high resolution
barcode
auto correlation
pixel values
test images
singular values
image regions
digital imaging
image watermarking
spread spectrum
watermark detection
image fidelity
image processing