Matlab

bwboundariesmex inside bwboundaries
Hi all, I am exploring bwboundaries function to find out the behind detailed algorithm, so that I can make changes to fit my requirements. However, I encountered a sub-function called bwboundariesmex used by bwboundaries. What is the algo of that function? There does not seem to be any document about it. Can anybod... 24 Jan 2010 10:07

how to find residual of an image?
how to find a residual of an image which is required later to perform DPCM. ... 22 Jan 2010 02:55

please help me on interpolating for irregular grid data
Dear all, I have tried to interpolate the 2D data but just realized that it is not a uniform grid, my data looks like: latitude longitude data --------------------------------------- 38.82605 73.05077 74 38.89838 73.30076 56 38.96964 73.55139 54 39.03984 73.80267 59 39.06496 72.97436 91 39.13754 73... 10 Feb 2010 11:07

Displaying Matlab image in VB.NET picturebox
Hello, I have created a user defined function in matlab which reads an image, converts it to grayscale and displays it to the user. I have created the dll file using Matlab Builder NE --> Generic COM and added a referrence to use it VB.NET 2008 GUI. The code works fine. Only problem is that it displays the gr... 14 Feb 2010 06:17

Reading a user input array from the GUI
Hi all, Is it possible for matlab to read a user input array from the GUI? My aim is to do a discrete convolution with x[n] and h[n] to give an output of y[n]. The codes are as follows: axes(handles.axes1); x=str2double(get(handles.edit1,'String')); grid; title('x[n]') ylabel('Amplitude') xlabel('n'); ... 22 Jan 2010 00:44

Extended Kalman Filter
Hey, Love: Do you know what the functions "f" and "h" are? Michael. --- frmsrcurl: http://compgroups.net/comp.soft-sys.matlab/Extended-Kalman-Filter ... 21 Jan 2010 23:38

Alternatives to find function
Hello, I have a binary image with an outline of an object (via bwperim). I need indices (coordinates) of these outlining pixels but do not want to use the function 'find'. Is there any function to get coordinates of pixels in sequence as they exist along the boundary ? I use Matlab R12. Thanks! ... 22 Jan 2010 05:04

Collapse a Vector into One Number
Hello, Simple problem here with hopefully a simple solution. How would I go about collapsing the following vector into one number, Vector: [3 2 5 4 1] ---> Number: 32541. How would I do this without a loop? Thanks ... 22 Jan 2010 10:37

how to optimize the "for" loop execution
Hi, i am looking for help to optimize the for loop in MATLAB code;i am working with video file, and try to extracted the image diffrence in each consecutive frames my code is as below ; %========================================================== mov=aviread('test_41.avi'); read the avifile for n... 2 Feb 2010 15:25

Chi-square Automatic Interaction Detection (CHAID) and Matlab
Has anybody implemented CHAID in Matlab? I dont know where and how to start it. Thanks. ... 21 Jan 2010 19:10