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Lester


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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...

bijna 12 jaar ago | 3 answers | 0

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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...

bijna 12 jaar ago | 2 answers | 0

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Problem 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....???

bijna 12 jaar ago | 0

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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...

bijna 12 jaar ago | 0 answers | 0

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This 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

bijna 12 jaar ago | 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...

bijna 12 jaar ago | 2 answers | 0

2

answers

Answered
I 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?

ongeveer 12 jaar ago | 0