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aditya kumar sahu


KL University

Active since 2016

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AssistantProfessor & Phd.Research Scholar

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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.

7 years ago | 3 answers | 0

3

answers

Question


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 ...

7 years ago | 1 answer | 0

1

answer

Question


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

7 years ago | 3 answers | 0

3

answers

Question


what is the matlab code for quality index(q)
what is the matlab code for quality index(q)

7 years ago | 1 answer | 0

1

answer

Question


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

7 years ago | 0 answers | 0

0

answers

Question


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...

7 years ago | 1 answer | 0

1

answer

Question


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)

7 years ago | 2 answers | 0

2

answers

Question


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 &lt;65536*8 int8> (all are binary numbers) . i want to make the corresponding grayimage having size if 256* 2...

7 years ago | 1 answer | 0

1

answer

Question


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.

7 years ago | 1 answer | 0

1

answer

Question


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=[...

7 years ago | 1 answer | 0

1

answer

Question


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...

7 years ago | 1 answer | 0

1

answer

Question


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...

7 years ago | 2 answers | 0

2

answers

Question


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...

7 years ago | 1 answer | 0

1

answer

Question


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...

7 years ago | 0 answers | 0

0

answers

Question


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 ...

7 years ago | 1 answer | 0

1

answer

Question


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=...

7 years ago | 1 answer | 0

1

answer

Question


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...

7 years ago | 1 answer | 0

1

answer

Question


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 ...

7 years ago | 2 answers | 0

2

answers

Question


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...

7 years ago | 1 answer | 0

1

answer

Question


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; ...

7 years ago | 2 answers | 0

2

answers

Question


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...

7 years ago | 0 answers | 0

0

answers

Question


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...

7 years ago | 2 answers | 0

2

answers

Question


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(...

7 years ago | 0 answers | 0

0

answers

Question


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.

7 years ago | 1 answer | 0

1

answer

Question


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...

7 years ago | 1 answer | 0

1

answer

Question


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

7 years ago | 0 answers | 0

0

answers

Question


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...

7 years ago | 0 answers | 0

0

answers

Question


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

7 years ago | 1 answer | 0

1

answer

Question


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...

7 years ago | 0 answers | 0

0

answers

Question


CAN I DIRECTLY BROWSE THE THE IMAGE TO GUI USING IMREAD AND IMSHOW FUNCTION ONLY
IMAGE=IMREAD(IMAGENAME); IMSHOW(IMG);

7 years ago | 1 answer | 0

1

answer