Matlab

How do you thicken the edge in a logical edge image?
For example, I=imread('Image.jpg'); I=rgb2gray(I); I=im2bw(I,threshold); I=edge(I); The edges are broken, how do I continue something like a broken line or thicken the edges not working manually ... 2 Jul 2010 01:31

cascade PID sisotool matlab 2010 6th model model architecture
Hi, I am facing with a problem with sisotool matlab 2010a. Presently I need to creat two compensateur C1 and C2 with the last model (6th) from the menu of control architecture. The thing is I don't know what is the procedure to creat my both compensators C1 and C2. My both tranferts functions are G1= (1.88 s + 100... 2 Jul 2010 17:57

Matching H, S, V value with trigonometry
i did a photomosaic with matlab. That's the project: I have a database of 32.000 images, extract the medium value of H,S & V (HSV color space), standard deviation and texture from my database. I match all my DB images with all the tiles of original image with euclidean formule. Because of the shape of HSV color spac... 2 Jul 2010 15:44

Support Vector Machines
Hi, this is my first post here I hope someone could answer my question I am trying to test the svmclassify code from the help % Load the data and select features for classification load variables.mat data = [Matrix(:,3), Matrix(:,4),Matrix(:,5),Matrix(:,6),Matrix(:,7),Matrix(:,8),Matrix(... 1 Jul 2010 15:34

Urgent need of help on Region based operations in matlab
I have a grayscale image from which i want to blacken out a certain region of interest.the region can be any closed polygon.I need to set the pixels inside the i=region i choose to zero. I used the ROI tool but it interpolates the data on boundary.I dont need that I need perfect black. Urgent With regards rust... 1 Jul 2010 17:48

Decoding Binary Files with unknown structure?
Hello MathWorks Community, I'm curious how to decode a binary file that is in some unknown structure.. The file appears to be written in ieee-le machine format. I can open the file and read it using fopen and fread. fread works well, but it doesn't reveal the nature of the delimiters. It seems each line of ... 21 Jul 2010 13:33

MonteCarlo simulation for finding derivatives
Hi, I am given a vector A = [..............] that describes a function say f(x). Now, I am supposed to find the derivative of this function df/dx. I would like to use the monte carlo approach to solve this instead of polyfit and polyder of matlab. Can any one suggest me some way to approach this problem? Th... 1 Jul 2010 15:34

knn classification satellite picture
Hi everybody! I'm trying to classify data from a picture using nearest neighbor method (knnclassify). The picture is artificially created from a satellite one. The picture I'm using is here : http://www.mediafire.com/file/mrymnkmimzz/mixedChannels.tif (thumbnail here : http://img708.imageshack.us/img708/3250/mi... 6 Jul 2010 15:34

Close event iin GUI
I want to execute some commands when the user is closing the gui, how can I do that? Actually I want to close an external application that I started in the gui. ... 1 Jul 2010 15:34

Stop a timer in GUI
hi everybody¡¡¡ I'm new in it. I created a GUI just like a timer, with a pushbutton and a edit text. When i push the button cmdMain it begin from 1 to 100 and show this value on the edit text. The pushbutton have two string, first "Empezar (begin)" and After I pushed it, the button show "Parar (stop)" function cm... 5 Jul 2010 23:14