15-10-2010, 12:24 PM
Guided By
Dr.SACHIN GENGAJE
Presented By
MR.AASHISH JOSHI
ICSDC SDC335.ppt (Size: 999 KB / Downloads: 81)
Image Watermarking
It’s a step against illegal duplication and manipulations.
Embedding information inside a cover message with little or no degradation of cover object.
Properties of watermark:
Perceptually invisible
Extraction should be fairly simple
Robustness