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Possible request, Master's thesis ?
It really depends on what you like and find interesting. I would suggest to start by reading articles on Wikipedia and find a to...

約10年前 | 2

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Fit: how to return chi-squared instead of r-squared
The Curve Fitting Toolbox only supports these <http://www.mathworks.com/help/curvefit/evaluating-goodness-of-fit.html goodness-o...

約10年前 | 1

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How to get the pixel color values in one command?
Yes, the color is a vector of three values. To access the color of pixel |(x,y)|, you can write: color = squeeze( Image(x,y...

約10年前 | 1

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I have Matlab R2010b. when I type codegen on the command line it says ??? Undefined function or variable 'codegen'. Is codegen avaialable on R2010b. If not what version is it supported on?
Execute <http://www.mathworks.com/help/matlab/ref/ver.html |ver|> in the Command Window to display the list of available product...

約10年前 | 1

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How can I use an empty matrix in a logical if statement?
Use the <http://www.mathworks.com/help/matlab/ref/isempty.html |isempty|> function to check if an array is empty: if isempt...

約10年前 | 15

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How to fit a Gaussian curve to the profile obtained from "improfile"?
You can fit a mixture of Gaussian models to your profile interactively using the <http://www.mathworks.com/help/curvefit/example...

約10年前 | 1

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Margins around histogram in subplot
You can either <http://www.mathworks.com/help/matlab/ref/get.html |get|> and <http://www.mathworks.com/help/matlab/ref/set.html ...

約10年前 | 1

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i want to extract fluorescent marked text from an image and convert the extracted image to another image file. how do i do that? i am new to matlab.
*1.* Use a color segmentation algorithm to generate a mask where white pixels correspond to the yellow highlights in your input ...

約10年前 | 2

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Can someone tell me how to find the summation of all the pixel values in an image?
Assuming the frames you want to compare are called |img_prev| and |img_next|, both matrices of the same size, the following func...

約10年前 | 1

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how to do iris normalization?
To my knowledge there is no MATLAB code available that implements Daugman's Rubber-Sheet algorithm for iris normalization. Howev...

約10年前 | 1

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how to crop a rectangle/square out of a image when four end points are given ?
I wrote a custom function that "draws" lines onto a matrix (superimposeLines.m) and a script that use that function to draw the ...

約10年前 | 1

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How to superimpose/overlay a grayscale 3D image onto a color 3D image?
I don't think it is any different for 3D images. If a color 3D image has dimensions |(m x n x p x 3)|, then you could convert a ...

約10年前 | 1

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Generating a basic animation of a 2D figure
Using <http://www.mathworks.com/help/matlab/ref/hold.html |hold on|> will keep all previously drawn objects in your figure. Use ...

約10年前 | 2

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Discretise into Equal Intervals
You can use several methods to interpolate data points from non-uniformly spaced points. There are listed here for one dimension...

約10年前 | 1

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How to store values from a loop?
Store them in a vector using an index like in the following: y = 2:0.1:10; % For all elements in vector y for i=1:n...

約10年前 | 3

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How do I pull data from a CSV into the GUI?
The following code should work: % Open CSV file fid = fopen('myCSV.txt', 'r'); % Read comma-separated values A...

約10年前 | 1

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How to extract only object with white background using bounding box in MatLab?
I think what you are looking for is <http://www.mathworks.com/help/images/ref/activecontour.html |activecontour|>. Active contou...

約10年前 | 1

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How we can filter out a specific color from an image?
This operation is called color thresholding and is usually done in HSV space. To my knowledge there is no built-in function in M...

約10年前 | 1

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Back track the index of a matrix
The <http://www.mathworks.com/help/matlab/ref/sort.html |sort|> function can also output the linear indices of the sorted elemen...

約10年前 | 2

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Focus on axes with rotate3d
You can enable rotation only in the specific axes by executing the following line: rotate3d(axes_handle) For example, if...

約10年前 | 2

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number format change in axes of graphs
Please refer to this previous post for formatting tick labels: <http://www.mathworks.com/matlabcentral/answers/103188 How do ...

約10年前 | 1

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Subscripted assignment dimension mismatch.
This error means that you are trying to assign to an element of vector |blob| (size 1x1) a vector a size 1x9. That happens becau...

約10年前 | 3

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Facing error in combining two m-files
The problem comes from line 111: binaryImage = grayImage < 128; Replace that line by the following: binaryImage = ~...

約10年前 | 1

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How to plot several sets (in different colours) with stem3-plotting function?
If you want to plot two series in the same axes in red and in blue, use <http://www.mathworks.com/help/matlab/ref/hold.html |hol...

約10年前 | 1

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bwareaopen creates a noisy result rather than cleanly removing small objects
Make sure that you call |bwareaopen| on a binary image. I executed the following code on the attached JPEG image and it worked: ...

約10年前 | 3

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MatLab 2013a takes over 2 minutes to load, is there a way to speed this up?
Here are a few tips to have MATLAB ready more quickly: * <http://www.mathworks.com/matlabcentral/answers/93674 Is it possible...

約10年前 | 1

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Record timing of user input
You can use <http://www.mathworks.com/help/matlab/ref/tic.html |tic|> to start a stopwatch and <http://www.mathworks.com/help/ma...

約10年前 | 2

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C code to S function tutorials
I am not familiar with <http://www.mathworks.com/help/simulink/slref/legacy_code.html |legacy_tool|> but there is another way to...

約10年前 | 1

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Is RGB and True colortype image is same?
Yes, this is the same. "True color" refers to the depth of an RGB image. With true colors, each pixel of an RGB image is 24-bit:...

約10年前 | 3

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3d polar plot for numerical solution of PDE system
When using the <http://www.mathworks.com/help/matlab/ref/pol2cart.html |pol2cart|> function, |theta|, |r| and |z| must be of the...

約10年前 | 1