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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 前 | 0

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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 前 | 0

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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 前 | 0

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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 前 | 1

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

12 years 前 | 0

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

12 years 前 | 1

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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 前 | 1

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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 前 | 0

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

12 years 前 | 0

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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 前 | 0

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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 前 | 1

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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 前 | 1

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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 前 | 1

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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 前 | 0

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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 前 | 2

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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 前 | 0

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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 前 | 6

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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 前 | 0

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

12 years 前 | 3

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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 前 | 1

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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 前 | 1

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

12 years 前 | 1

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

12 years 前 | 1

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

12 years 前 | 4

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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 前 | 1

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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 前 | 8

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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 前 | 2

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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 前 | 2

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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 前 | 1

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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 前 | 1

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