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What is meaning of c(:,1) and . in matlab code
I have code .What does it mean? c(:,1)=0.5*ones(10,1); //What is c(:, 1)? for i = 1:s Delta(:,i)=(2*round(rand...
9년 초과 전 | 답변 수: 3 | 0
3
답변질문
getting cluster points or generate confusion matrix from FCM?
In FCM I am giving cluster=2 and I am able to get the centroids, matrix and object function. But no I want to know which values ...
9년 초과 전 | 답변 수: 0 | 0
0
답변질문
No change in number of iteration in FCM() method for clustering
i used following code for fcm but even i change number of iteration i get only 23-25 iteration and no change in OF. Further even...
9년 초과 전 | 답변 수: 0 | 0
0
답변질문
I am trying to implement pso with fcm for clustering
For PSO I used following pseudo code. I print intracluster distance.Further how can I use the FCM function with PSO for clusteri...
9년 초과 전 | 답변 수: 0 | 0
0
답변질문
??? Attempt to reference field of non-structure array. Error in ==> at 11 x=data.x;
I am using a dataset heart.dat. When I run i get this error..Any suggestion/error? Code: data=load('heart.dat'); x=data.x...
9년 초과 전 | 답변 수: 0 | 0
0
답변질문
Missing attribute and atrribute reduction for data mining using matlab
can anyone suggest the code or toolbox for missing attributes, discretization and attribute reduction using RST (or any other) u...
거의 10년 전 | 답변 수: 0 | 0
0
답변질문
GUI TUTORIAL FOR IMAGE MODELS
I need tutorial or help for making a GUI for Image security model in which I choose a image form a GUI, display it and then some...
13년 초과 전 | 답변 수: 0 | 1
0
답변질문
Plot with dot and different colors
I am using plot function where i need dots.Also I want to change colors?How can I do it. plot(x,y,'.'); Above function p...
13년 초과 전 | 답변 수: 3 | 1
3
답변질문
Operation on BMP, TIFF images
The Algorithm for Grayscale works for JPEG images by dividing it into 3 components-R,G and B. How can it be applied to a BMP or ...
13년 초과 전 | 답변 수: 1 | 0
1
답변질문
NPCR Error
For Image Quality Parameters I need to find NPCR for 2 images after encryption whose original image have 1 pixel difference. The...
13년 초과 전 | 답변 수: 1 | 0
1
답변질문
Change a single pixel value in a Grayscale JPEG image
I have a grayscale jpeg image X. I want to change its pixel value. For example change pixel at (14,20) to 1,How can I do it. I t...
13년 초과 전 | 답변 수: 1 | 0
1
답변질문
Make values on y-axis in histogram to shrink.
I have a Histogram of Binary Image. On y-axis I have values up to 2000. How can make it small so that the graph appears big. Fo...
13년 초과 전 | 답변 수: 2 | 0
2
답변질문
Calculating UACI, NPCR for 2 images
Presently I have a problem in implementing the UACI and PSNR code for 2 images which are respectively Original & Cipher Images. ...
13년 초과 전 | 답변 수: 2 | 0
2
답변질문
DISPLAY RED, GREEN & BLUE COMPONENTS OF RGB IMAGE
Hello, I want to display 3 images of red, blue & green component. I don't want to display the GRAYSCALE images. I tried followi...
13년 초과 전 | 답변 수: 5 | 0
5
답변질문
VIDEO ENCRYPTION
Presently I need any code for video encryption in matlab.any method!!video format .mpg
13년 초과 전 | 답변 수: 2 | 0
2
답변질문
Operation on Video Files
Hello I have implemented the security algorithm from Grayscale to RGB Images. Now I want to implement the same for *video* fil...
13년 초과 전 | 답변 수: 2 | 0
2
답변질문
TAYLOR METHOD OF ORDER 3 ERROR
I want to solve the following equation using taylor's method of order 3. The equation is F=A(y-x). Initially y=-10.058 and x=0...
13년 초과 전 | 답변 수: 1 | 0
1
답변질문
Find Correraltion coefficient of two adjacent pixels
I have 2 grayscale or color images. I want to find the histogram for the correlation of adjacent pixels of these 2 images(horizo...
13년 초과 전 | 답변 수: 3 | 0
3
답변질문
Convert the Mathematica expression to matlab
Hello I want to convert the following lines to matlab.But I am unable to do it with matlab to function.Please help.. x[...
13년 초과 전 | 답변 수: 1 | 0
1
답변질문
Taylor METHOD OF ORDER 3
I want to *implement Taylor's method of order 3* in MALTAB FOR SOLVING 3 EQUATIONS SEPARATELY f(1)=a(y-x) f(2)=(c-a)x- xz+...
13년 초과 전 | 답변 수: 0 | 0
0
답변질문
CONVERT/RESHAPE TO 2D
I have reshaped my 2d nxn image B1 to 1d[row-wise] using B2 = reshape(B1.',1,[]), then i applied the transformation wit...
13년 초과 전 | 답변 수: 1 | 0
1
답변질문
convert pixel values to Integer
I want to convert the pixel values to integer for which I use uint8,But does uint8 work for image with 256x256 & above?[Grayscal...
13년 초과 전 | 답변 수: 1 | 0
1
답변질문
Operation on RGB Images
I have applied the security algo on Grayscale images which were converted to Grayscale from RGB.Now if want to operation directl...
13년 초과 전 | 답변 수: 2 | 0
2
답변질문
Generate a Sequence in MATLAB
I have a 2d NxN image L. I need to convert it to a sequence of pixels L1={k1,k2,....kNxN} row wise
13년 초과 전 | 답변 수: 2 | 0
2
답변질문
mathematica to matlab converter
Hello. I need to convert Mathematica program to matlab. I have tried tomatlab function but doesn't know how to use it.I only n...
거의 14년 전 | 답변 수: 2 | 0
2
답변질문
BITXOR OPERATION
Hello I want to do the "bitxor" operation as shown in below code. But since bitxor takes only 2 arguments the following code giv...
거의 14년 전 | 답변 수: 1 | 0
1
답변질문
Get Image Pixel Values
Hello I am trying the values on image: x=x+y; y=x+2*y; for all pixel values for an image,i want to get the pixel values do...
거의 14년 전 | 답변 수: 1 | 0
