BY:- SUBRAT KUMAR MISHRA RUBI KUMARI
Aug 02, 2015
TECHNIQUES OF WATERMARKINGCLASSIFICATION ACCORDING TO TYPE
OF DOMAIN IN WHICH DATA EMBEDDING TAKES PLACE
( 1.) SPATIAL DOMAIN .
-> LSB Modification .
Continued....CLASSIFICATION ACCORDING TO
ELIGIBILITY OF WATERMARK TO RESIST ATTACK .
(1.) FRAGILE WATERMARK .
(2.) ROBUST WATERMARK .
Continued....CLASSIFICATION ACCORDING TO THE
TYPE OF INFORMATION NEEDED IN THE EXTRACTION PROCESS .
(1.) BLIND WATERMARK SYSTEM .
(2.) NON-BLIND WATERMARK SYSTEM .
ConclusionDigital watermarking technology represents a data hiding techniques that is used to embed useful information in multimedia object.The proposed technique is classified on different criteria mainly on the domain to spatial domain watermarks, frequency domain watermarks and wavelet domain watermarks.Recently many proposed algorithms searches the use of watermarking for 3D object.The experimental result show that the proposed method is robust against approximately 70 % of attacks.