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# Holmbrero

Last seen: 8 Monate vor Aktiv seit 2020

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Frage

How to separate a vector into bins and average each bin
I have a vector A (exemplified below) which contains the size of pores and i want to create a vector which bins the data in A an...

8 Monate vor | 1 Antwort | 0

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Frage

Find the length of a vector up to a certain value
Hi! I have a vector (SortN1250) which is 75558x1 with a range from 1:1000 and i want to extract the length of the vector at ce...

10 Monate vor | 2 Antworten | 0

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Frage

Fitting a model to a displacement field
Hi! I have aquired a displacement field from image analysis and i want to fit a model to the field in order to be able to deri...

fast 2 Jahre vor | 0 Antworten | 0

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Frage

How do i binarize these two images to produce an as equal result as possible?
Hi! The two attached images of a porous material are aquired at the same area but as with all aquired images there is a slight...

etwa 2 Jahre vor | 1 Antwort | 0

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Frage

What is wrong with this code?
Why is this code not exchanging all negative numbers in Raddidifference and Truedist to NaN? Size1 is just the size of the cell ...

etwa 2 Jahre vor | 1 Antwort | 0

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Frage

Approximation of area of an image
Hi! I want to approximate an area with a circle as in the attached image (which is manually drawn). I have three somewhat di...

etwa 2 Jahre vor | 1 Antwort | 0

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Frage

Adding values to cells as the indices increase
Hi! I have a n x m cell array and i want to add a multiple of a constant as n and m increases. (1,1) (1,2) (1,3) (2,1) (2...

mehr als 2 Jahre vor | 1 Antwort | 0

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Beantwortet
Filtering noise bubble flow
Hi! Try bwareaopen. Apply it on your binary image. https://se.mathworks.com/help/images/ref/bwareaopen.html /Anders

mehr als 2 Jahre vor | 0

Frage

Extracting certain rows from matrix
Hi! I have a matrix T = 99x3 and another matrix S = 69x2 Column 1 in S contains 69 indices corresponding to certain rows in ...

mehr als 2 Jahre vor | 1 Antwort | 0

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Frage

Removing certain values from columns in a matrix
Hi! I have a matrix looking something like this: 21 4.51076 21 48.3399 ...

mehr als 2 Jahre vor | 1 Antwort | 0

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Frage

Find nearest neighbors of a point
Hi! The green points in the figure are my reference points. I want to find the k nearest neighbors of red points to each green...

mehr als 2 Jahre vor | 1 Antwort | 0

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Frage

Image registration by translation in x and y alone
Hi! Is there a good way of registering images by only considering the x and y translation? The registration does not need to...

mehr als 2 Jahre vor | 0 Antworten | 0

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Frage

Save data from for loop to a structure
Hi! I have the following code: Size1 = size(ca, 1); Size2 = size(ca, 2); for r = 1 : Size1 for c = 1 : Size2 OpenB...

mehr als 2 Jahre vor | 1 Antwort | 0

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Frage

Splitting part of image to smaller images
Hi! I want to split a part of an image into smaller regions and perform a function on each of the new regions individually. Se...

mehr als 2 Jahre vor | 1 Antwort | 0

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Beantwortet
Splitting a vector at sign change
Works great. Thank you very much!

fast 3 Jahre vor | 0

Frage

Splitting a vector at sign change
Hi! I have a vector with values > 0 and values < 0 such as for example: K = [1 2 3 4 5 6 7 8 -1 -2 -3 -4 -5 -6 -7 -8 1 2 3 4...

fast 3 Jahre vor | 3 Antworten | 0

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