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SNEHA P S


Actif depuis 2017

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Question


uaci score of 2 images
I need to find the uaci score of two images, one the plain image and other image which is 1 pixel value changed in the plain ima...

plus de 7 ans il y a | 1 réponse | 0

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réponse

Question


NPCR and UACI of encrypted images
I need to find out the NPCR and UACI value of two encrypted images. Please help me with the matlab code for the same.

plus de 7 ans il y a | 1 réponse | 0

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Question


correlation analysis of two adjacent pixels
I had an color image and an encrypted version of the same. I need to find the horizontal vertical and diagonal correlation coeff...

plus de 7 ans il y a | 2 réponses | 0

2

réponses

Question


conversion of double to int
i had an array of 1*10 double named Q(i). I want to find modulo function of these 10 values with 256. But am getting wrong answe...

plus de 7 ans il y a | 1 réponse | 0

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Question


Control flow of loop
for i = 2:41616 if x(i-1) < 0.5 x(i) = a*x(i-1); elseif x(i-1) >= 0.5 x(i) = a*(1- x(i-1)); ...

plus de 7 ans il y a | 1 réponse | 0

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Question


Mod function returns decimal value?
I was trying to generate some random sequence using chaotic tent map. After generating some values i would like to convert them ...

plus de 7 ans il y a | 2 réponses | 0

2

réponses

Question


convert decimal values to binary?
xa(1)=0; ya(1)=0; a=1.4; b=0.3; sa=0; for i=2:41616 xa(i)=1-a*(xa(i-1)^2)+ya(i-1); ya(i)=b*xa...

plus de 7 ans il y a | 1 réponse | 0

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Question


Size of an image?
I got the image size as below when i use size('image_name'). What does this 3 means? >> size(image) ans = 204 204 ...

plus de 7 ans il y a | 1 réponse | 0

1

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Question


Implementing equations and solving
I would like to implement some of the equations which generate chaotic sequences in matlab and to produce some random numbers us...

plus de 7 ans il y a | 1 réponse | 0

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Question


Index exceeds matrix dimensions
Index exceeds matrix dimensions. Error in test (line 19) newgreen = c(:,:,2); I got an error like this while running the ...

plus de 7 ans il y a | 1 réponse | 0

1

réponse

Question


Grayscale of RGB channels
Is it possible to convert the matrix values of R, G and B channels to its own grayscale values respectively?

plus de 7 ans il y a | 1 réponse | 0

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Question


Energy map calculation?
I would like to findout the energy map of an image by summing up the depth, intensity, correspondence energy. can you please hel...

presque 8 ans il y a | 1 réponse | 0

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Question


Calculating energy map of an image
I am doing a work on Seam Carving. How can i calculate the energy map of an image using depth energy, intensity energy and corre...

presque 8 ans il y a | 1 réponse | 0

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Question


Unexpected matlab expression error
function runSaliency('AloeR_SLIC.jpg') declareGlobal; % initialize the Image structure if necessary if (isa('...

presque 8 ans il y a | 1 réponse | 0

1

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Question


How to compute the stereoscopic saliency value using color contrast, spatial compactness and depth saliency?
As am a beginner in matlab i could not find out the code for computing the stereoscopic saliency value of a stereoscopic image u...

presque 8 ans il y a | 1 réponse | 0

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Question


How to use a function which is not existing in matlab?
Hey, while doing some code for image segmentation i got stuck at an error saying "Undefined function or variable 'superpixels'"....

presque 8 ans il y a | 1 réponse | 0

1

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Question


how to fix the error "Undefined function or variable 'superpixels'." ?
Hey, while doing some code for image segmentation i got stuck at an error saying "Undefined function or variable 'superpixels'...

presque 8 ans il y a | 2 réponses | 0

2

réponses