Beantwortet
Normalizing data
Dear John, Lets say you have matrix D and you want to normalize each value of Column to unit length (between 0-1). One possib...

fast 15 Jahre vor | 4

| akzeptiert

Beantwortet
how to find euclidean distance for an image
Dear Fir, You have Query image Q, you want to compute euclidean distance of Q with all images in database. Is that you want ? I...

fast 15 Jahre vor | 1

Beantwortet
how to find euclidean distance for an image
Dear FIR, Similar question was asked by one fellow. The solution you can see from following URL. I hope it might help you. ...

fast 15 Jahre vor | 1

Beantwortet
How to Envelope a Dataset?
Dear Aviator, Sorry I was away so could not reply on time. Actually you can play trick with this. k = convhull(x,y) So ...

fast 15 Jahre vor | 2

| akzeptiert

Beantwortet
How to extract the keyframes from video?
Dear Pan, There are so many easy and complex ways. The best and the simplest is based on Entropy. You calculate the Entropy o...

fast 15 Jahre vor | 2

| akzeptiert

Beantwortet
How to Envelope a Dataset?
Dear Aviator, Actually your problem is quite related to finding the Convex hull. The data points you have shown are not good en...

fast 15 Jahre vor | 2

Beantwortet
constant line in output, while plotting data
Dear the constant line is getting as your last point might be outlier. You can simply remove that line by this code. plot(tim...

fast 15 Jahre vor | 2

Beantwortet
IMAGE SEPARATION INTO BLOCKS
Dear as in obove code division is n't correct .. follow this code let say your image is I of 256 x 256. Make your your grid whi...

fast 15 Jahre vor | 3

| akzeptiert

Beantwortet
how to divide an image into blocks
Dear Pat, mat2cell is the only easy solution for your question. You are getting this error because your the mod of your IMG a...

fast 15 Jahre vor | 2

Beantwortet
Is '.-' no longer a valid line format for plots?
Dear Sir, I am not sure for older versions. You still can use this format for line and marker in plots. plot(1:10,'.-') % is ...

fast 15 Jahre vor | 2

Beantwortet
"FOR" loop
p=primes(100); A = zeros(1,length(p)-1); for i=1:length(p)-1 A(i) = p(i) * p(i+1); end A just copy and past...

fast 15 Jahre vor | 2

Beantwortet
"FOR" loop
let say your prime vector is P; p=primes(100); a = zeros(1,length(p)-1); for i=1:length(p)-1 a(i) = p(i) * p(i+1); e...

fast 15 Jahre vor | 2

Beantwortet
hi, im trying to produce the answer for this equation in vector. example for a[1 2 3 4 5], im expecting my answer to be y[0 4 8 10 12.5]. can anyone help me to explain about this?thanks
I don't your formula to produce y. But to get equal length vector to a, you should do like this. a=[1 2 3 4 5]; y=size(a...

fast 15 Jahre vor | 2

| akzeptiert

Beantwortet
How to plot 3 garph in one figure?
Well, if you want to draw three different graph figures into one figure then you can use subplot. ex: let say I have two graphs...

fast 15 Jahre vor | 2

Beantwortet
Import from .arff to matlab
Dear Mani, I didn't test this but hopefully it will solve your problem. Check this link below. Do let us know if it worked. ...

fast 15 Jahre vor | 2

| akzeptiert

Beantwortet
Path, Current Directory, "exist" and "which" functions
Dear I guess it depends on your current directory. Let say you are in studies_1/ directory. then load ('data/file.mat'); ...

fast 15 Jahre vor | 2

Beantwortet
Recursive gaussian filter vs traditional gaussian filter
As I understand your code and question. you have kernel variable. Kernel =[1, 4, 7, 4, 1, 4, 16, 26, 16, 4, 7, 26, 41, 26, 7,...

fast 15 Jahre vor | 1

Beantwortet
Graphing problem
Dear Courtney, Whenever you copy code please make it proper so that reader can read and then execute if needed. something lik...

fast 15 Jahre vor | 1

Beantwortet
choosing region of interest of an image (cropping problem)
Dear you just have to drag the mouse to make rectangle and then right click and select "Copy position". The cropped region will...

fast 15 Jahre vor | 5

Beantwortet
how to find Euclidean distance in matlab?
Dear what is the size of your feature vector, if it is column vector then let say your have 1000 feature vector of 1000 images. ...

fast 15 Jahre vor | 1

| akzeptiert

Beantwortet
To apply Gaussian in histogram?
Dear I guess you have histogram and you want to apply gaussian weight to it. If it is so then let say you have Histogram H. then...

fast 15 Jahre vor | 2

| akzeptiert

Beantwortet
if statement logical error
Dear when I execute your code, i get the if part not else part. I also checked your all conditions and all conditions are true. ...

fast 15 Jahre vor | 0

Beantwortet
How to convert a .tif file into a .mat file?
If it is so, then you simply convert that tiff into mat file like this.. let say tif file name is "Example.tiff"; A = imread...

fast 15 Jahre vor | 2

| akzeptiert

Beantwortet
"double" vs. "uint8" input using "imshow" function
uint8 is used unsigned 8 bit integer. And that is the range of pixel. We can't have pixel value more than 2^8 -1. Therefore, for...

fast 15 Jahre vor | 12

Beantwortet
folder in a directory
A = dir % you get everything in current directly of matlab. or if you want to explicitly mention any directory path then you ...

fast 15 Jahre vor | 1

| akzeptiert

Frage

Handling multi figures.
I have saved three figures in my system. Figure1.fig, Figure2.fig, and Figure3.fig. Now I want to load this figures and ...

fast 15 Jahre vor | 1 Antwort | 1

1

Antwort

Beantwortet
The code does not work with 1.7
Anyway you can do what ever you want from this simple one lines. v =hist(y,[1:.1:2]) This is simple. Take the histgram. ...

fast 15 Jahre vor | 1

Beantwortet
Equality error
Dear for comparing the string you should use *strcmp* function. ex. a(1).name ='2pm'; a(2).name='SNSD'; a(3).name = '2p...

fast 15 Jahre vor | 1

| akzeptiert

Beantwortet
Array/Data Strucutre Returns Problem
I think you can't compare two string with == . You will get dimensions mismatch. As for string '2pm' the length = 3 and for 'SNS...

fast 15 Jahre vor | 1

| akzeptiert

Beantwortet
random number generator
Yes you can do it for non repeating randoms. One possible way is which chandra suggested above. But if you want to avoid loops t...

fast 15 Jahre vor | 1

| akzeptiert