Ryan

Con actividad desde 2012

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Aspiring bioengineer with an interest in image processing.

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Fitting data with two peaks
You could get a close approximation of peak position with a cubic spline fit and local maxima. You could also try just smoothin...

más de 9 años hace | 0

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[DISCONTINUED] MATLAB Answers Wish-list #2 (and bug reports)
Perhaps there is a method of which I am not aware, but I would like to be able to track questions that I commented on and not ac...

alrededor de 12 años hace | 2

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Finding pixels in connected component
It sounds like you are looking for a perimeter of a shape as the "bounding box." If so, use <http://www.mathworks.com/help/imag...

alrededor de 12 años hace | 0

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array: concatenate two columns of integers to one colum
A = [1234, 567; 1, 234]; %Sample Data % Figure out how many spaces to shift the left column C = ceil(log10(A(:,2))); ...

alrededor de 12 años hace | 0

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How can I fill the area between two curves other than facecolors
Check out the <http://www.mathworks.com/matlabcentral/fileexchange/1736-hatched-fill-patterns "Hatched Fill Patterns" FEX Submis...

alrededor de 12 años hace | 0

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combining number of images using matlab
See the <http://matlab.wikia.com/wiki/FAQ#How_can_I_process_a_sequence_of_files.3F Matlab FAQ>.

alrededor de 12 años hace | 0

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how to determine the best tangential at every points from a freehand line?
I have been struggling with a related issue myself as of late. I settled for sampling the image with a small window and usi...

más de 12 años hace | 0

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Dividing the pixel into blocks
Do you have the image processing toolbox? This should get you started down the right path: * <http://www.mathworks.com/produ...

más de 12 años hace | 0

Pregunta

BWDIST label matrix not returning expected labels
I am trying to use the label matrix feature of |bwdist|, but am encountering a problem. *Instead of returning the linear index ...

más de 12 años hace | 2 respuestas | 0

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How to store different # of values, obtained in iterations, in Matrix / array ?
<http://matlab.wikia.com/wiki/FAQ#How_can_I_create_variables_A1.2C_A2.2C....2CA10_in_a_loop.3F FAQ> I think I deciphered your...

más de 12 años hace | 0

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Cody: Problem 30 - function Sortrows
You were taking the complex conjugate of |z|. Be careful whenever you use |'| to transpose in Matlab! function z = complex...

más de 12 años hace | 1

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Boundary of an image
Utilize the matlab function <http://www.mathworks.com/help/toolbox/images/ref/regionprops.html |regionprops(...,'MajorAxisLength...

más de 12 años hace | 0

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Mapping colored image on grayscale
I = imread('Brain.jpg'); Tumor = imread('Tumor.jpg'); ThresholdValue = 10; % You'll want to find the best value mas...

más de 12 años hace | 1

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rows which do not contain zero
row_numbers = find(sum(A,2) ~= 0); number_of_rows = numel(row_numbers);

más de 12 años hace | 0

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i can't uderstand the image blurring in following code....what does the following blurring filter do? how does it work?
I believe your unblurred is your expected blurred, and your blurred is actually the frequency domain for the blurred image. The ...

más de 12 años hace | 0

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How to create a loop calcualtion?
So you have a 1 x 20 vector you want to fill off of knowing just the first value and each previously value determines the next? ...

más de 12 años hace | 1

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find out the orientation, length and radius of curved rectangular object
Have you looked at MF <http://www.mathworks.com/help/toolbox/images/ref/regionprops.html regionprops()>?

más de 12 años hace | 0

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Code of plotting from SCOPE three axis to sublots
This is not writing all the code for you, but this should hopefully help. Your error seems to be in how to access the informati...

más de 12 años hace | 0

Pregunta

Indexing points along curve in matrix in order from one endpoint to the other
I have a logical image with many 1-px wavy curve segments and I am trying to fit a curve to these segments to find the orientati...

más de 12 años hace | 2 respuestas | 0

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How can I sort a string both alphabetically and numerically?
<http://www.mathworks.com/matlabcentral/fileexchange/7212-asort-a-pedestrian-alphanumeric-string-sorter FEX Submission "ASORT: A...

más de 12 años hace | 1

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how do you make an array with letters
letters = 'A':'P'; % According to this nifty iPhone Matlab Mobile app

más de 12 años hace | 0

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Classification of Brain tumor
In addition to IA's answer, this seems to be a question requesting a novel idea of how to differentiate tumor types accurately u...

más de 12 años hace | 1

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How can i write the frequency vector for frequency range 5-400 hz using 50 frequncy points
|FrequencyVector = linspace(5,400,50); %linspace(min,max,# of points)|

más de 12 años hace | 0

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Help splitting blobs that contain overlap in an image
A sample image may result in better answers if you can provide one. It sounds like you'll need to use a watershed techniq...

más de 12 años hace | 0

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Is code formatting still too complicated
I would recommend implementing an "open code" and "close code" tag system similar to the other features in the comment section |...

más de 12 años hace | 1

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Get the index for the search of multiple strings within an array of strings
Is this what you were looking for? list = {'bad','worse','good','okay'}; badlist = {'bad','worse'}; idx = ismember...

más de 12 años hace | 2

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Add new column a vector.
x = [0;0;2;2;1;0;0;2;0]; y = [43;43;34;34;34]; Combined{1} = x; Combined{2} = y; You need to use cells |{}| in order...

más de 12 años hace | 0

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How can I create a 16'' by 3.5'' rectangle centered on a 11'' by 17'' paper?
Use |<http://www.mathworks.com/help/techdoc/ref/rectangle.html rectangle('Position',[x,y,w,h])>|. I am assuming the reason ...

más de 12 años hace | 0

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how to generate function of an ellipse?
There is a function to draw such an ellipse in Matlab if you have the PDE toolbox, |<http://www.mathworks.com/help/toolbox/pde/u...

más de 12 años hace | 1

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Assistance with creating multidimensional matrices
I would pre-allocate A before the for loop by using A = zeros(Rows,Cols); %Creates matrix of 0's % This will also act to c...

más de 12 años hace | 0

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