amitesh kumar
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Normalised Correlation Value after applying DCT
Hello everyone i am applying image normalization technique and DCT technique for embedding and extraction watermark image. he...
etwa 15 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
CDMA based using multiple PN sequences embeded into whole object
hii everyone I am trying to run this watermark embedding code. my cover image size is 512x512, watermark image is 64x64 and...
etwa 15 Jahre vor | 0 Antworten | 0
0
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Image extraction from Watermarked image
Hello everyone... I am trying to extract "watermark image" from a watermarked image. For this i am selecting original image o...
etwa 15 Jahre vor | 1 Antwort | 0
1
AntwortFrage
watermark Embedding in Blocks
hello everyone i want to embed watermark in image of size 512*512 & watermark size is 64*64. first of all i am converting origi...
etwa 15 Jahre vor | 3 Antworten | 1
3
AntwortenError in Image Embedding....
thnku so much *Walter*...got executed prog successfully...i am getting original image, watermark image in perfect manner ..but t...
etwa 15 Jahre vor | 0
Error in Image Embedding....
Thnx sir for ur answer. w(m,n)=0; planes{8}=ones(m,n); planes{8}= and(planes{8},w); % Adding the WaterMark ...
etwa 15 Jahre vor | 0
Frage
Error in Image Embedding....
Hello i am trying to run following code... i=imread('lena.tif'); s=double(i); j=imread('watermark.bmp'); w=double(j); ...
etwa 15 Jahre vor | 3 Antworten | 0
3
AntwortenFrage
DCT transformation
hello i am trying to apply DCT transformation on image of size 512*512. for applying DCT i use following code I = im2doub...
etwa 15 Jahre vor | 1 Antwort | 0
1
AntwortHow do I fix a "Subscripted assignment dimension mismatch."
%This program decode the watermark from the single embed watermarked image clc c=1; t=1; %To read in the watermarked image ...
mehr als 15 Jahre vor | 0
Frage
How do I fix a "Subscripted assignment dimension mismatch."
clc c=1; t=1; % To read in the watermarked image [watermarked_image cmap]=imread('lsb_image.bmp'); waterma...
mehr als 15 Jahre vor | 3 Antworten | 0
3
AntwortenFrage
how to get low pass filter from image
When I am trying to run the following code, it is giving an error [ ??? Input argument "P" is undefined. Error in ==> idealf...
mehr als 15 Jahre vor | 1 Antwort | 0
1
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Low-pass filter for image
When I am trying to run the following code, it is giving an error [ ??? Input argument "P" is undefined. Error in ==> i...
mehr als 15 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
Image retrieving
is it possible to get the original image back after applying fft and log polar transformation on image and its inverse .plz rep...
mehr als 15 Jahre vor | 1 Antwort | 0
1
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Hadamard Transformation
Hello everyone I would like to know that how to generate *Complex Hadamard Transformation Matrix* for N*N matrix . Is it poss...
mehr als 15 Jahre vor | 1 Antwort | 0
1
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Complex to Imaginary & Vice -Versa
Hello everyone I am applying fft on image which giving me complex value . for getting magnitude i am using " X = abs(Y)" f...
mehr als 15 Jahre vor | 2 Antworten | 0
2
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log-polar mapping conversion
I want to change 512*512 pixel gray image into log-polar format. What is the exact procedure to convert it. I tried this with th...
mehr als 15 Jahre vor | 2 Antworten | 0
