Answered
Error in flipping
Hi, It seem you use flipud command for 3D matrix. Peppers.png was 3D uint8 matrix. '??? Error using ==> flipud at 19 X ...

12 years ago | 0

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Answered
classifying data files in a folder with neural network
Hi, This is the code that I created. If there is an error, please tell me. files = dir(fullfile(pwd,'*.txt')); fo...

12 years ago | 0

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Answered
HI to all.. this is about thresholding the image ..
Hi, I have small example for 4x4 matrix. I = round(10*rand(4,4)) J = zeros(size(I,1), size(I,2)); coeff = nume...

12 years ago | 0

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Answered
Normalizing data for neural networks
Hi, I've heard that the artificial neural network training data must be normalized before the training process. I have a c...

12 years ago | 1

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Answered
GUI
Hi, In callback of Load Push Button you should write like this : handles.output = hObject; [fn pn] = uigetfile('*.jpg...

12 years ago | 0

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Answered
figure title in a loop
names = fieldnames(Data); for i = 1 : length(names); subplot(length(names),1,i); %plot(Data....

12 years ago | 1

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Answered
How to draw a line across the centre of the barcode?
Hi, If my understanding of your question is not wrong. Irgb = imread('rhsr9t.jpg'); Icrop = imcrop(Irgb,[75 25 670 5...

12 years ago | 1

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Answered
to display multiple images on a single frame
Hi, It seem you tried to display multiple dicom files in a folder but you use wrong syntax. And please don't use imread to rea...

12 years ago | 0

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Answered
matrix
x=data(:,880:end);

12 years ago | 0

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Answered
multiplying a matrix
A=[3 5 7; 5 6 0; 5 9 4]; for x = 1 : 3 B(x,:) = sum(A(x,:).^2); end B

12 years ago | 0

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Answered
AREA IN SQ.CM
Hi, First, you must know about actual size of your picture in cm. For example your picture has 1000 pixel of height x 600...

12 years ago | 1

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Answered
Centroid of polyarea
Hi, I modified your first code becomes : I = imread('peppers.png'); [r c o] = size(I); imshow(I); hold on; xy...

12 years ago | 1

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Answered
Problem in reading .shp file
Hi, Raymond You can perform that by adjusting the selector parameter. I'll give you sample code : shapedir = fullfile...

12 years ago | 1

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Answered
how can i apply rgb2gray to dicom image...
Please tell me the size of your dicom image by typing *size(I)* in command window.

12 years ago | 0

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Answered
how can i browse an image in gui
Hi, Usama Here I give you sample code with GUIDE. First, you need to create your GUI. Type 'guide' in command window, a...

12 years ago | 2

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Answered
How to read a certain part of data from a very complicated text file containing many empty lines
Hi, Pengfei Let say that I have a text file formated : X Y Z 0.2 0.3 0.4 ...

12 years ago | 0

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Answered
Defining function handles in MATLAB
Hi, Richard. To evaluate f(x) at different values of x, you can create an .m file and write this code: function y = f(x) y = ...

12 years ago | 6

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Answered
Matching two numbers using only 2 decimal points
A = 3.82; B = 3.829; C = 3.82; D = 3.8; Astr = num2str(A); Bstr = num2str(B); Astr = Astr(strfind(Astr...

12 years ago | 0

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Answered
Change button color and text after it is clicked
in the pushbutton callback write: set(handles.pushbutton1,'string','running','enable','off');

12 years ago | 3

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Answered
how can i browse an image in gui
[fn pn] = uigetfile('*.dcm','select dicom file'); complete = strcat(pn,fn); set(handles.edit1,'string',complete); I =...

12 years ago | 1

Answered
MATLAB Function Output problem?
function STK(U, D, n, delta_t) X = zeros(1,n); % Creating the vector of X X(1) = 1; % = X(0) = 1; r = randn(1,n)...

12 years ago | 1

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Answered
Displaying dicom images
Hello, Try to use *imshow(I,[])* or *montage(I, 'DisplayRange', []);*

12 years ago | 1

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Answered
How to load only one parameter from a .mat file which contains several parameter?
S = load('data_collection.mat', 'data1')

12 years ago | 1

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Answered
How to read multiples DICOM images
dicomlist = dir(fullfile(pwd,'Images','*.dcm')); for cnt = 1 : numel(dicomlist) I{cnt} = dicomread(fullfile(pwd,...

12 years ago | 4

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Answered
how to use waitbar
At line 40, add -> *h = waitbar(0,'Please wait...');* At line 98, add -> *waitbar(p / F);* and original line 98 becomes line ...

12 years ago | 1

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Answered
detect square in image
Hello, Is your goal only to detect square in this picture? If so, you don't need to do shape recognition, etc. You jus...

12 years ago | 8

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Answered
storing image information in a 2-d array
Hello, That's true. You can use *blockproc* from Matlab. It's simple to use. B = blockproc(A,[M N],fun) *A* is in...

12 years ago | 2

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Answered
vector median filter
for 1D median filtering, Matlab has command *medfilt1* Eq: medfilt1([4 3 5 2 8 9 1],3) ans = 3 4 3 ...

12 years ago | 2

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Answered
is there an alternative of thresholding an image automatically rather than setting it manually?
Actually function *im2bw* automatic select threshold value if you do not pass any parameter except the input image. Or try...

12 years ago | 1

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Answered
To extract the random integer into a file
If you get a little confused with fread and fwrite, then you can try another command *fprintf* n *fscanf* Here I give you...

12 years ago | 1

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