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Motion Tracking in Matlab
First you need a video of a human. I'd recommend starting there.

15 years ago | 0

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How to Display a dot on screen?
What if you just make a small red figure the size of the dot you want (it'll be square) and position it somewhere.

15 years ago | 0

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Mode & median filters for color image
%Median: Irgb = your_rgb_image; for ii = 1:3 Irgb(:,:,ii) = medfilt2(Irgb(:,:,ii),ones(3)); %3x3 median end

15 years ago | 1

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Answered
Need help using colon operator with multiple matrices - I'm really close to being loopless!
Bruno's mcolon on the FEX: <http://www.mathworks.com/matlabcentral/fileexchange/29854-multiple-colon>

15 years ago | 0

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how i know the value of a pixel in a centroid of image
<<http://img3.uploadhouse.com/fileuploads/10092/10092383aeb5e3c321ae7e8ec0e9ec716fca14e6.png>> All figures were closed, all var...

15 years ago | 0

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Using MATLAB with Chessboard arrangements problem
All this nerd can say is: Good luck on your incredibly difficult project! ps. Look at John's Variable Precision Integers on ...

15 years ago | 0

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Integers only
just define it as integer: intdata = int64(double_data);

15 years ago | 0

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how to display multiple image
One way: Concatenate them If they're the same size: image([C C2]); If not. Pad the smaller one with zeros so they'...

15 years ago | 0

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how to store matlab results in long precision
as long as class(your_result) is 'double' it is long.

15 years ago | 1

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Bold keywords in editor
For viewing purposes? If you're in Cell Mode the header line of each cell will be in bold. %% I'm bold if cell mode is o...

15 years ago | 0

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automatic filename saving
for ii = 1:n fn = sprintf('file_%s.jpg',num2str(ii,%04i')); %jpegs named file_0001.jpg, file_0002.jpg etc. save(fn,ii) e...

15 years ago | 1

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Working with 3d matrices
Pic = repmat(magic(3),[1 1 3]); %magic square so we can see that it works index = logical(eye(3)); %example logical index th...

15 years ago | 0

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Calculating area under and above multiple threshold-constrained curves
What about |cumtrapz|? Subtract the threshold from the whole data set. *Edit:* %Example: (Assuming from your description ...

15 years ago | 0

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how i know the value of a pixel in a centroid of image
# Easy way: round the coordinates returned from regionprops and use those as indices to get the centroid. Harder way is to int...

15 years ago | 0

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uncertain number of loop structures
Or one could use |fprintf| along the same lines as The Cyclist's suggestion to generate a custom m-file for each number of dimen...

15 years ago | 0

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3D plot or surf plot problem
Ecoli - fun stuff size(X) size(Y) size(Z) which one is different and why?

15 years ago | 0

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Get User Input
doc uigetfile

15 years ago | 0

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Find max of matrix without using built in function.
the_max = -min(-(a(:)))

15 years ago | 1

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Sorting Algorithm
Then even better - trump your teacher with sortrows! A = sortrows([array1(:),array2(:)]); array1_sorted = A(:,1).'; array...

15 years ago | 2

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Filling regon
Steps: * Do a connected components analysis (bwconncomp) on a logical image of anything you want. * Find the linear indeces of ...

15 years ago | 0

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images !
I = imread('cameraman.tif'); %sample I(end-63:end,1:48) = imresize(I,[64 48]); %engine imtool(I) %view

15 years ago | 0

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Combinations with constraint
doc meshgrid Then apply your constraints to blank out entries. Depending on what you're doing with them you may be able to sk...

15 years ago | 0

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Filling regon
If it would be filled by an: imfill(X,'holes'); AND is white in the original image; then it might be (Where X has the dar...

15 years ago | 0

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Simple Problem - Message Box Function
You're modifying the closerequestfcn not the callback function for when it's pushed. If you click on the x like you're trying t...

15 years ago | 0

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Converting a jpg image (RGB) into a 2-d array of numbers (2D)
Assuming your image is uint8, in order to have a unique value for each pixel color combination, you'll need 256^3 (~16.8million)...

15 years ago | 1

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how to overlay(superimpose) contour plot(coloured) over a gray scale image
<http://www.mathworks.com/matlabcentral/fileexchange/29485-meshcanopy> Change the calling function from mesh to contour. Eve...

15 years ago | 0

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surf cannot be complex
DON'T NAME YOUR VARIABLES 'i'!! It's the sqrt(-1) and it's probably what's messing you up!

15 years ago | 0

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48 bit per pixel image
I = cat(3,r,g,b); imshow(I)

15 years ago | 1

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urgently needed
Go to <www.images.google.com> type in "face", then click search and save the pictures in a directory on your computer. If it wa...

15 years ago | 0

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Skipping first bytes in a binary file using FREAD
doc fseek

15 years ago | 0