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sonam s

14 total contributions since 2013

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Question

HOW TO DETERMINE THE VALUE OF K AND C IN GAUSSIAN SURROUND FUNCTION
F(x,y) = k* exp(-r2 / c2 ) here the function f is a gaussian function.this function used in retinex algorithm. R(x,y)=...

etwa 7 Jahre ago | 1 answer | 1

1

Question

what are the values of surround space constant
F(x,y) = k* exp(-r2 / c2 ) here the function f is a gaussian function.this function used in retinex algorithm. R(x,...

etwa 7 Jahre ago | 0 answers | 0

0

Question

HOW TO READ THE VALUES IN PARTICULAR BLOCK WHEN THE IMAGE IS CONVERTED INTO CELLS BY USING MAT2CELL
clear all; im=imread(uigetfile('*.*')); im=imresize(im,[200 200]); im=mat2cell(im,[50 50 50 50],[25 25 25 25 25 25 25 2...

etwa 7 Jahre ago | 1 answer | 0

1

Question

HOW TO PERFORM ENCRYPTION AND DECRYPTION ON R,G,B COMPONENTS OF COLOUR IMAGE
a=uigetfile('*.*'); im=imread(a); r=im(:,:,1); g=im(:,:,2); b=im(:,:,3); now the carrier image which is generated...

etwa 7 Jahre ago | 0 answers | 0

0

Question

how to preallocate a variable
a1=('a':'z').'; b1=('A':'Z').'; for i=1:52 if(i<=26) a(i)=a1(i); i=i+1; end; if(i>26) ...

mehr als 7 Jahre ago | 1 answer | 0

1

Question

HOW TO READ SPECIAL CHARACTERS IN A SINGLE ARRAY
a1=('a':'z'); b1=('A':'Z'); c1=('0':'9') *IN the above commands a1 contains a to z, and b1 contains A to Z, *c1 contain...

mehr als 7 Jahre ago | 2 answers | 0

2

Question

how to interchange the blocks randomly
clear all; im=imread(uigetfile('*.*')); im=imresize(im,[200 200]); [x y z]=size(im); im=mat2cell(im,[50 50 50 50...

mehr als 7 Jahre ago | 1 answer | 0

1

Question

how to interchange the blocks randomly
clear all; im=imread(uigetfile('*.*')); im=imresize(im,[200 200]); [x y z]=size(im); im=mat2cell(im,[50 50 50 50],[5...

mehr als 7 Jahre ago | 0 answers | 0

0

Question

HOW TO GENERATE PSEUDO RANDOM BINARY SEQUENCE
sir,how to generate pseudo random binary sequence in matlab. the pseudo random sequence generator is implemented using linear...

mehr als 7 Jahre ago | 0 answers | 0

0

Question

how to transfer image pixel values into array
transfer image pixel values into array for complete image * array(,1)=R value * array(,2)=G value * array(,3)=B value * ar...

mehr als 7 Jahre ago | 2 answers | 0

2

Question

code for pseudo random index generator
in our project we have *pseudo random index generator* for generating set of keys with which we select some of the keys and encr...

mehr als 7 Jahre ago | 1 answer | 0

1

Question

explaination of the code
pattern=['00110011'; '00110101'; '00110110'; '00111001'; '00111010'; '01010011'; '01...

mehr als 7 Jahre ago | 1 answer | 0

1

Question

how to scan the image and convert it from binary to decimal using matlab
for(i=1:length(pv)) a=pv(i); a=find(chars==a); a=pattern(0,1); num(8)=bin2dec(a); end

mehr als 7 Jahre ago | 1 answer | 0