Brett Shoelson

Last seen: Today | 自 2001 起处于活动状态

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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...

6 years 前 | 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...

9 years 前 | 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...

9 years 前 | 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

10 years 前 | 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 ...

11 years 前 | 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...

11 years 前 | 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...

12 years 前 | 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 ...

13 years 前 | 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...

13 years 前 | 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...

13 years 前 | 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...

13 years 前 | 0

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

13 years 前 | 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...

13 years 前 | 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...

13 years 前 | 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 ...

13 years 前 | 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...

13 years 前 | 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)...

13 years 前 | 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...

13 years 前 | 0

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

13 years 前 | 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...

13 years 前 | 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...

13 years 前 | 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'.):...

13 years 前 | 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

13 years 前 | 2

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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 ...

13 years 前 | 0

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

13 years 前 | 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...

13 years 前 | 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...

13 years 前 | 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; ...

13 years 前 | 0

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

13 years 前 | 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 ...

13 years 前 | 1

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