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Brett Shoelson

Last seen: 4 jours il y a Actif depuis 2001

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A répondu
Getting many outputs using blockproc
Walter is correct that blockproc returns a single output. For clarity, though, it's worth pointing out that you can make n separ...

plus de 6 ans il y a | 0

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Skeleton prunning for OCR
Radek: yes, the longest-constrained-path approach I gave you is indeed confounded by loops. On the other hand, did you try infin...

presque 9 ans il y a | 0

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Skeleton prunning for OCR
Hi Radek, I have some thoughts to share that might be useful. First, recognize that you get different output from infinite thin...

presque 9 ans il y a | 3

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Can WE PLOT A TRANSPARENT LINE OVER A SPECTROGRAM IN MATLAB????
Consider using "PATCHLINE" from the File Exchange. Cheers, Brett

plus de 10 ans il y a | 0

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Training Custom Classification Model XML creation
Samir, Start here: http://www.mathworks.com/help/vision/ug/train-a-cascade-object-detector.html and then download and use ...

presque 11 ans il y a | 0

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How to create "Trained cascade classification model" like Frontal Face (CART), Upper Body
Kalla, I would suggest that you read the document Anand steered you to, and then download CascadeTrainGUI from the File Exchange...

presque 11 ans il y a | 0

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imhist for an spm image
I might suggest that you look at the documentation for IMADJUST. It's made for this. In fact, Image Analyst, after you created y...

presque 12 ans il y a | 0

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Sorting a 2d matrix according to the distance between each successive point.
Eoin, I'm not sure what those three non-zero values refer to, since I can't see your code. But if the object you are interested ...

environ 13 ans il y a | 0

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Passing array to a function
You'll need to show us a bit more. It would be particularly useful, for instance, to see line 71 of getFreq. Consider puttin...

environ 13 ans il y a | 0

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fitting the equation on a graph and finding unknown parametrs
You've gotta love the <http://www.mathworks.com/access/helpdesk/help/toolbox/curvefit/curvefit_product_page.html Curve-Fitting T...

environ 13 ans il y a | 0

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Can anyone plz help me segment vein pattern from a thresholded dorsal palm image????
Take a look at BWMORPH. It allows you to calculate the skeleton of your image. From that result, you can calculate branch points...

environ 13 ans il y a | 0

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A répondu
How do i write a function containing a loop for two vectors?
Sorry, Jenny. Change those a's to s's. Brett

environ 13 ans il y a | 0

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Is there any data loss when i convert my dicom image to any other format???
If you save your image in a lossless format, the conversion is lossless. Otherwise, not necessarily. Are you converting with imr...

environ 13 ans il y a | 0

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How do i write a function containing a loop for two vectors?
I can tell you _how_ to discard your outliers, but I can't tell you if you _should_. (Is that what you're asking?) I would gu...

environ 13 ans il y a | 0

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How do i write a function containing a loop for two vectors?
Jenny, why on earth would you want to write that in a loop?(Is that a homework assignment?) And do you really need to calculate ...

environ 13 ans il y a | 0

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Sorting a 2d matrix according to the distance between each successive point.
Yes! Try this instead: stats = regionprops(cut_surface,'perimeter'); perims = [stats.Perimeter]; That will give...

environ 13 ans il y a | 0

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Problem working with 3-D image matrix
Here's another approach, just for fun: start = imread(g); multCol = reshape(repmat([4 1 0],ceil(size(start,1)/3),1),[],1)...

environ 13 ans il y a | 0

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Problem working with 3-D image matrix
Well, if you want to chop your image into thirds and it doesn't divide equally into three bins, then YOU have to decide how to c...

environ 13 ans il y a | 0

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Outward pointing normal vectors on a triangle
Are you familiar with the QUIVER command? Brett

environ 13 ans il y a | 0

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Sorting a 2d matrix according to the distance between each successive point.
Do you have the Image Processing Toolbox? Consider using REGIONPROPS, and requesting the PERIMETER of the region. Cheers, Br...

environ 13 ans il y a | 0

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Eliminating different regions based on height/width ratio calculated by boundingbox
You can also use the 'Eccentricity' property returned by REGIONPROPS. Eccentricity give the ratio of the major axis length to th...

environ 13 ans il y a | 0

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automatic resize of one graph using subplot function
Or you can just set the x- and (or) y-limits to be manual after you create your individual plots. (The default is 'automatic'.):...

environ 13 ans il y a | 0

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Accessing Workspace variables
Sorry, Erik. I didn't read your question carefully enough. Try this: eval(b(ii).name) Brett

environ 13 ans il y a | 2

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A répondu
Problem working with 3-D image matrix
I'm not sure what you mean by "does not work for an image that has a decimal value after a divided three-dimensional." But I ...

environ 13 ans il y a | 0

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Accessing Workspace variables
A = whos; for ii = 1:numel(A) A(ii).name end Cheers, Brett

environ 13 ans il y a | 1

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Separating Objects in an Image
I agree with Walter about the depth ambiguity, but I think you still might be able to get reasonably good results with this imag...

environ 13 ans il y a | 1

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identifying positions of a string within a text file
Lots of ways. This one uses regular expressions: mystr = 'line $$ 1 $$ line 2' newstr = regexprep(mystr,'\$\$','New_Stri...

environ 13 ans il y a | 0

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over lap image onto another image??
Consider: a = magic(7) b = rand(2,3) a(3:4,4:6) = b % Or, more generally,: startrow = 3; startcol = 4; ...

environ 13 ans il y a | 0

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A répondu
Image Processing (related to image comparison)
Once you've segmented your regions of corrosion, the function REGIONPROPS will be quite useful!

environ 13 ans il y a | 0

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Issue with fractional step-sizes
y(1) refers to the first element of y. y(2) is its second element. What does y(1.5) refer to? Your problem is in your use of ...

environ 13 ans il y a | 1

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