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marie lasz


Last seen: meer dan 3 jaar ago |  Active since 2019

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Plot3 to import data from Excel
Hello all, I am getting problem in plotting a 3D plot , where I am importing data from an excel sheet.Code and data can be seen...

meer dan 3 jaar ago | 1 answer | 0

1

answer

Question


3D Plot from Excel data
Hello beautiful people; I have a data in Excel file where I have different images and their NC values against different quality...

meer dan 3 jaar ago | 1 answer | 0

1

answer

Question


PSNR values of attacked watermarked image
Hey all, I am a bit confused right now after applying psnr tests between watermarked images and white noise watermarked images....

meer dan 3 jaar ago | 1 answer | 0

1

answer

Question


How to plot 3 column values in matlab from an excel sheet?
Hey all, I need to plot 3 column values from excel. For example; one column contains different images, second column contains ...

meer dan 3 jaar ago | 2 answers | 0

2

answers

Question


How to design an image with black and white bits in matlab?
Hello, Can anyone guide me how to generate an image with black and white bits with any letter or any sign? Image source:copie...

meer dan 3 jaar ago | 1 answer | 0

1

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Question


how to get random pair ?
Hello beautiful people, Can anyone tell me that how I get random pair out of the following pairs? I have these six pairs (1,...

meer dan 3 jaar ago | 1 answer | 0

1

answer

Question


Index exceeds the number of array elements (1).
Hello , Can someone tell me where am I wrong here? I am retrieving only 1024 values from 3072 after comparing each row from 3 s...

bijna 4 jaar ago | 1 answer | 0

1

answer

Question


Compare rows of a column vector
Hey beautiful people, I am confused here that i have this vector and i have to compare three values of each row and result shou...

bijna 4 jaar ago | 2 answers | 0

2

answers

Question


how matlab reads Column vectors
Hello all, I have a 3 column vector and applying in a if condition. My question is that how matlab reads coulmn vectors? like i...

bijna 4 jaar ago | 1 answer | 0

1

answer

Answered
Illegal use of reserved keyword "end"
you missed a closing of a square bracket. s2=[a2(length(a2)) max([a2,a3,a4,a5,a6,a7,a11,a13,a17,a19,a23,a25,a29,a31,a35,a37]);...

bijna 4 jaar ago | 0

Question


How to define hx(i,j) in matlab ?
Hey all, I want to use the formula i.e, hx(i,j)=kx(i,j)*1; instead of kx(i,j)=kx(i,j)+-25; how can I define hx(i,j) here and ...

bijna 4 jaar ago | 1 answer | 0

1

answer

Question


Error in Matlab Code
I am getting error in this code at line 13 '', 'Index in position 2 exceeds array bounds (must not exceed 512). Looking for the ...

bijna 4 jaar ago | 2 answers | 0

2

answers

Question


matlab code for pseudo random
hello, Maybe I am asking a very dumb question here but I would like to confirm if I am thinking it right or not. this code ...

bijna 4 jaar ago | 1 answer | 0

1

answer

Question


Image encoding matlab code
hello this code is working perfectly but it is embedding secret message in upper left square only. but I want to embedd on ev...

bijna 4 jaar ago | 1 answer | 0

1

answer

Question


Pseudo random sequence matrix from an image
Hello, How to obtain pseudo random sequence matrix from a Y frame of image which is already converted to YCbCr? Thanks

bijna 4 jaar ago | 1 answer | 0

1

answer

Question


Pseudo random sequence in watermarking
Hello, I embedded watermark sequentially in a cover image which is not secure. Now I want to insert data in image by pseudo ran...

bijna 4 jaar ago | 0 answers | 0

0

answers

Question


Error Correction Code for Images
Hello, I wanted to ask about hamming code, in explanation he used (7,4) for redundant bits and total bits --7. Is that only an ...

bijna 4 jaar ago | 0 answers | 0

0

answers

Question


Display rgb image in cartesian plane
hello, Can we display transformed image in cartesian plane according to image's rotation or shear? iF yes, then how can we do t...

ongeveer 4 jaar ago | 3 answers | 0

3

answers

Question


Shear Image display problem
Hello Everyone, I am applying shearing on an image which is 512x512 pixels. When i am executing the code I am getting bigger im...

ongeveer 4 jaar ago | 1 answer | 0

1

answer

Question


How to use ''offset'' to determine its position ?
Hello, I have this code which I got from github. First of all, I didn't get why he is replacing upper part and lower part of pi...

ongeveer 4 jaar ago | 1 answer | 0

1

answer

Question


Remove Rows/columns of a rgb Image
Hello , I have a rgb image 512x512 pixels. I want to remove it's rows or columns pixels. How can I do that in matlab? Any help ...

ongeveer 4 jaar ago | 1 answer | 0

1

answer

Question


Swapping of neighborhood pixel values of an image
Hello Everyone, How to swap neighborhood pixel values of a RGB image?

ongeveer 4 jaar ago | 0 answers | 0

0

answers

Question


Messagebox warning in matlab
hello everyone, I am running this code and getting warning that text is too long for a messagebox. I set breakpoints and at mes...

ongeveer 4 jaar ago | 2 answers | 0

2

answers

Question


Matlab Function from code
Hello Experts; I am new in matlab and trying to learn how we can create function? For Example . I have this code how I can crea...

ongeveer 4 jaar ago | 2 answers | 0

2

answers

Question


Random shuffle of image pixels/ Image scrambling
hello, I am applying arnold transform method on an image to scramble its pixels. And i am doing it successfully but the problem...

ongeveer 4 jaar ago | 1 answer | 0

1

answer

Question


steps in matlab to insert image
Hello, how to embed watermark on y frame? Thanks for your responses.

meer dan 4 jaar ago | 2 answers | 0

2

answers

Question


Which Dct Algorithm is used ?
Hello, Can anyone tell me that which algo is used in this dct watermarking code or anyone who already used that code? Here is t...

bijna 5 jaar ago | 1 answer | 0

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answer