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change Black and White - Image to Black & Red Image
You need to define the colormap: imshow(BW,[0 0 0; 1 0 0]) % 0's are black and 1's are red

約12年前 | 0

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ellipses on image
Use <http://www.mathworks.com/help/toolbox/pde/ug/pdeellip.html pdeellip> (if you have the PDE toolbox): pdeellip(xc,yc,a,b,...

約12年前 | 0

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[DISCONTINUED] MATLAB Answers Wish-list #2 (and bug reports)
How about a link on the left hand navigation for FAQ and posts like Walter's on tags?

約12年前 | 1

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add picture in matlab
do you have the image processing toolbox? if so: I = imread('imagename.extension'); The result will be a 2- or 3-D matri...

約12年前 | 0

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cropping manually and automatic using matlab
*Manual method:* scenenum = input('Please enter the number of scenes you wish to crop: ') for m = 1:scenenum mask...

約12年前 | 0

質問

Creating vector of all numbers in a cell array.
This is probably an easy solution, but I cannot figure it out. I have an |m x m cell array| where each cell contains a |1 x ...

約12年前 | 3 件の回答 | 0

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Problem trying to access labeled portion of images (updated 7/5)
I switched to |*.**| over *|immultiply()|* and I haven't run into the error message again. This may not mean I am out of the wo...

約12年前 | 0

質問

Problem trying to access labeled portion of images (updated 7/5)
*UPDATE:* <http://dl.dropbox.com/u/56764179/data_dump.mat data_dump.mat> unique(diff(unique(endpts_labeled))) ans = ...

約12年前 | 3 件の回答 | 0

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for loop doesn't seem to loop
You're not specifying the row of A that you are writing the data to, so each loop it just places [PVtech(i,:) WTtech(i,:)] into ...

約12年前 | 0

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How can I deblur an image given the original PSF?
<http://www.mathworks.com/help/toolbox/images/ref/deconvlucy.html doc deconvlucy> the documentation mentions similar functions....

約12年前 | 0

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Delete unique element in column
Based off of Jan's answer: A = [1 2; 1 3; 3 4]; [B, I, J] = unique(A(:,1),'last'); NewMatrix = A(I,:);

約12年前 | 0

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How to implement 'Medfilt1' function into Simulink
If you have the Video and Image Processing Blockset, use the 2D median filter and change the "Neighborhood size" to 1xN or Nx1 (...

約12年前 | 1

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If condition without loop
A(A>0 & A<=1) = 1; A(A>1 & <=2) = 2; Of course if you'd like to do this continuously (constantly rounding values, not ju...

約12年前 | 0

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me not like new lay out of this section! (not a question)
What is the value of having a *"Home"* and *"Search"* link on the navigation panel (upper left hand side) if both link to the sa...

約12年前 | 1

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vector index of consecutive gap (NaN) lengths?
Thomas' answer is faster, but here is my go: A = [2 4 NaN 7 9 NaN NaN NaN 32 NaN NaN 8]; idx = isnan(A); [B n]= bwlab...

約12年前 | 1

質問

Finding distance between endpoints of image segment: PixelList vs 'endpoints'
New Code: %% Calculate Tortuosity disp('Calculating tortuosity of large segments'); V = thin8-imdilate(cr...

約12年前 | 2 件の回答 | 1

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Filling with color the space between to polynomial curves to represent error area.
Check out this FEX submission, it should do what you want: <http://www.mathworks.com/matlabcentral/fileexchange/13188-shade-...

約12年前 | 0

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Reshaping Blobs in a Binary
use region props area measurements and dilate the centroid points with a disk structuring element with the appropriate radius (a...

約12年前 | 0

質問

Help understanding the imbothat function.
I am using the function _imbothat_ as part of a larger image processing algorithm and it works great for what I need (I found th...

約12年前 | 1 件の回答 | 1

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How to segment 2D breast images using fuzzy c-means algorithm
I am guessing you are using a DICOM file since this is a CT image? If so, use Image = dicomread(filename); (Help page ...

約12年前 | 1

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Small simple question about displaying multiple pictures or objects
% Generate random pictures PicNum = 5; PicSize = 100; J = zeros(PicSize,PicSize,PicNum); % Always good to preallocate...

約12年前 | 1

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Local maxima
<https://www.google.com/search?q=local+maxima+matlab>

約12年前 | 0

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Generating reconstructed image from a sinogram without using 'iradon'
<http://www.wepapers.com/Papers/78923/Filtered_Backprojection_Algorithm_in_MATLAB.ppt> That may help you.

約12年前 | 0

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noise removel
I = 3 * sin(.3*[1:500]')*ones(1,500) + 3 * cos(.2*[1:500]')*ones(1,500) + 0.5*ones([500 500]); % Generate random sine wave im...

約12年前 | 0

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algorithm strategy
http://scholar.google.com/ have fun.

約12年前 | 0

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How to make a FOR loop to be efficient
Perhaps break this into two separate iterations where the first optimization happens more crudely using parameters spaced more g...

約12年前 | 0

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Background Subtraction
There are various methods to better segment your image and most are best dealt with on a case by case basis. Check out Image ...

約12年前 | 0

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Getting rid of NaN from 1 by n matrix
A =[1,NaN,2,3,NaN,4,5,NaN,6,7,NaN,NaN]; A(isnan(A)) = [];

約12年前 | 0

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block processing of a matrix
threshold = 50; matrix = rand(32,32)*255; median_matrix = medfilt2(matrix,[3 3]); diff_matrix = median_matrix - ...

約12年前 | 1

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Radon Transform
http://www.mathworks.com/help/toolbox/images/ref/radon.html ?

約12年前 | 0