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Holmbrero


Last seen: mer än 2 år ago |  Active since 2020

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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...

mer än 2 år ago | 1 answer | 0

1

answer

Question


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...

mer än 2 år ago | 2 answers | 0

2

answers

Question


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...

mer än 3 år ago | 1 answer | 0

1

answer

Question


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...

nästan 4 år ago | 1 answer | 0

1

answer

Question


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 ...

nästan 4 år ago | 1 answer | 0

1

answer

Question


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...

nästan 4 år ago | 1 answer | 0

1

answer

Question


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...

nästan 4 år ago | 1 answer | 0

1

answer

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

nästan 4 år ago | 0

Question


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 ...

nästan 4 år ago | 1 answer | 0

1

answer

Question


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

nästan 4 år ago | 1 answer | 0

1

answer

Question


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...

ungefär 4 år ago | 1 answer | 0

1

answer

Question


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...

ungefär 4 år ago | 0 answers | 0

0

answers

Question


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...

ungefär 4 år ago | 1 answer | 0

1

answer

Question


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...

ungefär 4 år ago | 1 answer | 0

1

answer

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

mer än 4 år ago | 0

Question


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...

mer än 4 år ago | 3 answers | 0

3

answers