aditya kumar sahu
KL University
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Question
how to check which line of code is in execution in matlab?
i have 1000 lines of program. is there any command or how can i know which line of code or loop is currently in execution.
mer än 7 år ago | 3 answers | 0
3
answersQuestion
matlab code for quality index (q), in image steganography?
how to write matlab code for quality index (q), in image steganography. let p and q are my original and stego image of size 16 ...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
let x is an image of m*n (512*512) pixel how to find the mean of x, what is the matlab code
let x is an image of m*n (512*512) pixel how to find the mean of x, what is the matlab code
mer än 7 år ago | 3 answers | 0
3
answersQuestion
what is the matlab code for quality index(q)
what is the matlab code for quality index(q)
mer än 7 år ago | 1 answer | 0
1
answerQuestion
What is the formula in matlab for finding the quality index(Q) in image steganography
What is the formula in matlab for finding the quality index(Q) in image steganography
mer än 7 år ago | 0 answers | 0
0
answersQuestion
How can i flip specific bit of an binary array.
suppose i have a=[1 0 1] and i want to flip the 2nd position bit then i can do by a([2])=~a([2]). but let if a = [1 0 1; 0 1 1...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
how to remove a column from a character matrix?
suppose x= 1001 1001 (x is a character matrix) i want y=100 100 (last column is removed)
mer än 7 år ago | 2 answers | 0
2
answersQuestion
i have an array of <65536*8 int8> (all are binary numbers). i want to make the corresponding grayimage having size if 256* 256. how can i do it.
i have an array of <65536*8 int8> (all are binary numbers) . i want to make the corresponding grayimage having size if 256* 2...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
what is the difference between de2bi and dec2bin. i am not sure whether they are same or not.
what is the difference between de2bi and dec2bin. i am not sure whether they are same or not.
mer än 7 år ago | 1 answer | 0
1
answerQuestion
how to replace by comparing in a double array.?
I have 4 double matrix, one is c(i,j) of size 256*8,having only 0 and 1 as its elements and z=[0 1 1 1 1 1 1 1 ] and y=[...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
how to create a matrix of size 256*8 (double type) having elements as 0 1 1 1 1 1 1 1
suppose i have a vector of double type z= 0 1 1 1 1 1 1 1 i.e size of 1*8 i want to create a new matrix of double type havin...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
how to compare 2 double array
Suppose i have 4 double array a(i,j) of size 256*8 elements and y(i1,j1),z(i2,j2) and b(i3,j3)having size of 1*8,1*8,1*50 elemen...
mer än 7 år ago | 2 answers | 0
2
answersQuestion
how to concatenate array of different size
is it possible to concatenate two array elements of various size, suppose an elements of an array c(1,1)=101010 (let 'c' is 256...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
comparing an array element with a binary number?
let the first elements of 2 arrays c,b are c(1,1)=10101010 and b(1,1)=0 i want to compare it with 01111111 and 10000000 and b...
mer än 7 år ago | 0 answers | 0
0
answersQuestion
removing a column from an array of char and cell type?
suppose i have a char matrix 'c' of size (256*8) all are 8 bit binary vaues. i want to remove the first column of the array and ...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
how can i combine the binary values in a single cell of a uint8 matrix?
Let i have read one image,say a=imread('f.jpg');/*reading pixels*\ b=dec2bin(a)-'0';/*converting to double array *\ c=...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
kindly can anybody suggest and help me to correct my code ?
s=[0 1]; Let k{1,2}{1,1}=01010001 k{1,2}{1,2}=11010101 k{1,2}{1,3}=01010001 k{1,2}{1,4}=11010001 k{1,2...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
why leading zeros are gets disappeared when i convert an character array to double matrix and can i convert the character array to binary matrix if yes then plz. suggest?
g=str2num(c); c is character array. why leading zeros are gets disappeared when i convert an character array to double matrix ...
mer än 7 år ago | 2 answers | 0
2
answersQuestion
how to keep the binary values of a integer in same cell of a matrix.?
a=imread('f.jpg'); >> d=dec2bin(a); >>e=dec2bin(d)-'0'; >>v=uint8(e); The binary vallues for all pixels are stored in dif...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
How to remove MSB bit from a binary number?
suppose i have an cell array 'c' of 1*256 size. let c(1)=10010000 i want p1= 10010000; p2=0010000; p3=010000; ...
mer än 7 år ago | 2 answers | 0
2
answersQuestion
How to reduce the MSB bit at each step
>> a=imread('f.jpg'); >> b=imresize(a,[16 16]); >> d = cellstr(dec2bin(b,8))'; >> for i = 1 : rows for j = 1 : columns sup...
mer än 7 år ago | 0 answers | 0
0
answersQuestion
Can any body be kindly solve this error why occurs..Undefined function 'eq' for input arguments of type 'cell'.
a=imread('f.jpg'); b=imresize(a,[16 16]); c=dec2bin(b,8); d=cellstr(dec2bin(b,8))'; ro=size(d,1); co=size(d,2); for i=1...
mer än 7 år ago | 2 answers | 0
2
answersQuestion
suppose i have a cell array a(1*256). let all cell elements are converted to binary and the first element is let it be10010100(8Bit)in the cell array. i want to compare each cell element with some other binary number let 10000000(8Bit) and store it.
suppose i have a cell array a(1*256). let all cell elements are converted to binary and the first element is let it be 10010100(...
mer än 7 år ago | 0 answers | 0
0
answersQuestion
Suppose i have a 2-dim array of 512*512 elements. how i can access pair of element in row wise by matlab or c.
Suppose i have a 2-dim array of 512*512 elements. how i can access pair of element in row wise by matlab or c.
mer än 7 år ago | 1 answer | 0
1
answerQuestion
divide image into block of size 1*2
I have a 512*512 image and I want to divide into blocks each having 1x2 pixels.So I will get total 131072 blocks.Now I want to p...
nästan 8 år ago | 1 answer | 0
1
answerQuestion
how to divide cover image into blocks of 2 pixels using matlab.
how to divide cover image into blocks of 2 pixels using matlab.plz anybody know the process and code
nästan 8 år ago | 0 answers | 0
0
answersQuestion
IMAGE STEGANOGRAPHY LSB ENCODING PROBLEM ..How to do next step.
a=imread('insect.gif'); [m n]=size(a); for i=1:m, for j=1:n, b8(i,j)=bitand(a(i,j),128); b7(i,j)=bita...
nästan 8 år ago | 0 answers | 0
0
answersQuestion
can any one kindly give me least significant bit data hiding matlab code
can any one kindly give me least significant bit data hiding matlab code
nästan 8 år ago | 1 answer | 0
1
answerQuestion
I can able to browse the image but the image is not displaying in the gui ..any body plz help....i m getting thi error..Reference to non-existent field 'edit1'.
Executes on button press in pushbutton1. function pushbutton1_Callback(hObject, eventdata, handles) handle.output=hObjec...
nästan 8 år ago | 0 answers | 0
0
answersQuestion
CAN I DIRECTLY BROWSE THE THE IMAGE TO GUI USING IMREAD AND IMSHOW FUNCTION ONLY
IMAGE=IMREAD(IMAGENAME); IMSHOW(IMG);
nästan 8 år ago | 1 answer | 0