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marie lasz


Last seen: 3 years 前 |  自 2019 起处于活动状态

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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...

3 years 前 | 1 个回答 | 0

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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...

3 years 前 | 1 个回答 | 0

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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....

3 years 前 | 1 个回答 | 0

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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 ...

3 years 前 | 2 个回答 | 0

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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...

3 years 前 | 1 个回答 | 0

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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,...

4 years 前 | 1 个回答 | 0

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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...

4 years 前 | 1 个回答 | 0

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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...

4 years 前 | 2 个回答 | 0

2

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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...

4 years 前 | 1 个回答 | 0

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已回答
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]);...

4 years 前 | 0

提问


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 ...

4 years 前 | 1 个回答 | 0

1

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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 ...

4 years 前 | 2 个回答 | 0

2

个回答

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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 ...

4 years 前 | 1 个回答 | 0

1

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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...

4 years 前 | 1 个回答 | 0

1

个回答

提问


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

4 years 前 | 1 个回答 | 0

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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...

4 years 前 | 0 个回答 | 0

0

个回答

提问


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 ...

4 years 前 | 0 个回答 | 0

0

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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...

4 years 前 | 3 个回答 | 0

3

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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...

4 years 前 | 1 个回答 | 0

1

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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...

4 years 前 | 1 个回答 | 0

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提问


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 ...

4 years 前 | 1 个回答 | 0

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

4 years 前 | 0 个回答 | 0

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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...

4 years 前 | 2 个回答 | 0

2

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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...

4 years 前 | 2 个回答 | 0

2

个回答

提问


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...

4 years 前 | 1 个回答 | 0

1

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提问


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

4 years 前 | 2 个回答 | 0

2

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提问


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...

5 years 前 | 1 个回答 | 0

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