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Question
I require a code for embedding and extraction of a watermark from an image (DCT Domain). Please help.
we want to - embed a watermark - extract d watermark - prevent it from attacks - provide additional functionalities like sec...
plus de 12 ans il y a | 3 réponses | 0
3
réponsesQuestion
How to convert invisible watermark to visible watermark? Please help
clc; clear all; start_time=cputime; k=50; blocksize=8; file_name1='C:\Users\Public\Pictures\Sample Pic...
presque 13 ans il y a | 2 réponses | 0
2
réponsesProblem in extracting the watermark ! !
sir , may i know what are the steps followed for embedding and extracting the image in DCT domain in the above code....???
presque 13 ans il y a | 0
Question
i have a code for dct watermarking wherin the watermark is getting embedded but the watermark is an invisible watermark.....wat changes do i hve to make to make the watermark visible?
clc; clear all; start_time=cputime; k=50; blocksize=8; file_name1='C:\Users\Public\Pictures\Sample Picture...
presque 13 ans il y a | 1 réponse | 0
0
réponseThis is a dct code on watermark embedding. Please fix it
How do you go about embedding the watermark in the color planes? I didn't get you sir
presque 13 ans il y a | 0
Question
This is a dct code on watermark embedding. Please fix it
The error I'm encountering is this --> Warning: Size vector should be a row vector with integer elements. > In wa...
presque 13 ans il y a | 2 réponses | 0
2
réponsesI require a code for embedding and extraction of a watermark from an image (DCT Domain). Please help.
Very grateful sir...but the code you have provided is LSB watermarking..what about the code in the DCT domain? is it the same?
presque 13 ans il y a | 0
