Amith Kamath
U Minnesota
Followers: 0 Following: 0
Professional Interests: Image Processing, Computational complexity and algorithms
Estadística
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MEDIA DE ME GUSTA
Contribute at least one answer each month for 3 consecutive months
Awarded to Amith Kamath on 20 Jul 2017
Answer 1 question that was unanswered for more than 30 days
Awarded to Amith Kamath on 20 Jul 2017
20 of your answers have been accepted
Awarded to Amith Kamath on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to Amith Kamath on 20 Jul 2017
Solve a problem for the first time
Awarded to Amith Kamath on 17 Apr 2013
Feeds
What is the function to plot a rotating 3-D ellipsoid
function [] = visualizeDTrot(C,M,speed,Dir,time) %% C: the covariance matrix. %% Dir: direction of the estimate, to be p...
alrededor de 11 años hace | 1
| aceptada
Hi i need help in file conversion .txt to mat file
Although this may not be the best way to do this, but you can use IMPORTDATA to import all the data from the '.txt' file as a st...
más de 11 años hace | 0
How to change colorbar's color (in some particular value interval)?
You can manually change the colormap, using COLORMAPEDITOR: <http://www.mathworks.com/help/matlab/ref/colormapeditor.html> ...
más de 11 años hace | 0
how to draw a temperature distribution on (x,y,z)?
<http://www.mathworks.com/help/matlab/visualize/representing-a-matrix-as-a-surface.html> should help. The image you have att...
más de 11 años hace | 0
how i can implement lowpass filter on image using matlab
I am assuming you need to smooth (low pass) an image. These two functions are what you need to use: <http://www.mathworks.com...
más de 11 años hace | 0
How do I obtain video (.avi) from a webcam (in real time) and store the video frames somewhere for further processing?
This will be instructive: <http://www.mathworks.com/help/imaq/examples/logging-data-to-disk.html?prodcode=IA&language=en>
más de 11 años hace | 0
| aceptada
Confusion with adding to cell array
This should work: a = {[0 0], [0 0]} b = [1 2 3 4] a{1} = b(1:2) %choose the first two elements from b and assign to fir...
más de 11 años hace | 0
how to plot scattered points on 2D graph
Does <http://www.mathworks.com/help/matlab/ref/scatter.html> work? I am assuming your data is a collection of (x,y) pairs, and y...
más de 11 años hace | 0
how to find area,eccentricity,mean median ,mode ,variance of a white blood cell
<http://www.mathworks.com/matlabcentral/fileexchange/25157-image-segmentation-tutorial-blobsdemo> would be a good place to start...
casi 12 años hace | 0
Display gray color only from grayscale image
For most tasks of analysing pixel values and thresholding, I've found <http://www.mathworks.com/matlabcentral/fileexchange/6770>...
casi 12 años hace | 0
Displaying Images after feature extraction
If you have four images in I, J, K and L, you could do this, figure subplot(2,2,1); imshow(I) subplot(2,2,2); imshow(...
casi 12 años hace | 0
What are the advantages/disadvantages to using the ball compared to the disk structuring element?
<http://blogs.mathworks.com/steve/2006/10/23/nonflat-grayscale-dilation-and-erosion/> has some details about the non-flat struct...
casi 12 años hace | 0
| aceptada
Using Matlab for Iphone or Ipad
<http://www.mathworks.com/matlabcentral/answers/12036#comment_26682> at <http://www.mathworks.com/matlabcentral/answers/12036-ho...
casi 12 años hace | 1
| aceptada
Delete rows in a matrix that contain ONLY a negative number
I'm quite positive that this does the trick. There would probably be more optimal ways to do it! X = 100.*rand(12,5); %for ...
casi 12 años hace | 1
histograms of crossing count
Thanks for the interesting question! I'm guessing you're trying something like this. The I = (rand(500,500) >= 0.5); %i...
casi 12 años hace | 0
how to load a picture in Matlab? can a video is uploaded in Matlab ?
<http://www.mathworks.com/products/imaq/examples.html> and <http://www.mathworks.com/help/imaq/examples/acquiring-a-single-image...
casi 12 años hace | 0
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Using fgetl() to read lines
<http://www.mathworks.com/matlabcentral/newsreader/view_thread/297814> may be of some help. Unless you are constrained to using ...
casi 12 años hace | 0
| aceptada
I have a matrix, there are zeros values in that and i just want to remove the zero values from the array
if A is the array in question, you could do: A = A(A ~= 0);
casi 12 años hace | 1
| aceptada
Which toolboxes are needed for object detection from video over MATLAB 2009 platform?
You may want to look at: <http://www.mathworks.com/products/computer-vision/index.html> (this is not available for 2009 thoug...
casi 12 años hace | 0
| aceptada
Measuring indentation in an object
<http://blogs.mathworks.com/steve/2011/10/04/binary-image-convex-hull-algorithm-notes/> and the convex hull concept would help. ...
casi 12 años hace | 0
I wanna replacing 2nd and 3rd column to each other. How can I write a command?
Assuming I understand the question right, here is an example of how it could be done: x = magic(5); % a random matrix fo...
casi 12 años hace | 0
Mesh for 3D plot
Going from the error, it seems that you are trying to use mesh for a 1D array (Z in your case). Mesh expects the 'Z' to be a 2D ...
casi 12 años hace | 0
background noise and nearst point
For either case, I would imagine you will need a mask for the brain regions. This can be done either manually using <http://www....
casi 12 años hace | 0
convert 3d matrix to dicom image
I suppose for the time being, this happens to be the best available solution: <http://www.mathworks.com/matlabcentral/fileexch...
casi 12 años hace | 0
what is the code to apply filters (lowpass and highpass) for signals read?
Assuming you have the Signal Processing Toolbox installed, you could use the FDA Tool to specify the parameters for your filter....
casi 12 años hace | 0
Printing GUI figures
<http://www.mathworks.com/help/techdoc/ref/print.html> may help, although I've not tried it myself yet!
casi 13 años hace | 0
NaN in deconvolution
Since your data has zeros in them, deconvolution may return NaNs because you are dividing by zeros. What you could do is either ...
casi 13 años hace | 1
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showing the error out of memory
How to avoid out-of-memory cases: <http://www.mathworks.com/support/tech-notes/1100/1107.html>
casi 13 años hace | 0
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clarification of the use 'switch case'
from <http://www.mathworks.com/help/techdoc/ref/switch.html>, In MATLAB switch blocks, only the first matching case executes...
casi 13 años hace | 0
Convolution in MATLAB Simulink
<http://www.mathworks.com/support/solutions/attachment.html?resid=1-13ZSQN&solution=1-13ZSPM> may be of help, assuming you have ...
casi 13 años hace | 0
| aceptada
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