Question

Creating pairs using prior information
I have a bunch of tracks borne out of random points for example amongst 50 points i have about 4 tracks containing 4 points each...

environ 4 ans il y a | 1 réponse | 0

Question

Direction between points from [0,360]
I have 5 points which has (x,y) position and want to calculate the direction from one point to the other. I used atan2d but the...

environ 4 ans il y a | 2 réponses | 0

Réponse apportée
convert a 3d matrix to 3 column vector
Sorry, I should rephrase my question. I have a matrix (magmatf- attached)- lets call the rows as R1 and columns and C1 . I crea...

environ 4 ans il y a | 0

Question

convert a 3d matrix to 3 column vector
Hi, I have a matrix with x position as rows, y position as columns and magnitude as data at (x,y). How can I convert this to...

environ 4 ans il y a | 1 réponse | 0

Question

nearest neighbor gaussian blurring for scatter data
I have a N by 3 array where the 3 columns are x position, y position and magnitude. Is there anyw ay to do gaussian blurring usi...

environ 4 ans il y a | 1 réponse | 0

Question

Jet Colormap with black and white at the ends
Is there a way to get the jet colormap to have black at its lowest end and white at its highest end instead of blue and red resp...

environ 4 ans il y a | 4 réponses | 0

Question

continuous representation (image generation) of discrete data set
I have a discrete data set which contains x and y position and velocity. I usually use patch plot to represent this. Is there a ...

environ 4 ans il y a | 2 réponses | 0

Question

Can I do a curve fit tool in a for loop?
How can I get the a1,b1,c1 variables from the curve fit tool box for the gaussian func?

environ 4 ans il y a | 1 réponse | 0

Question

How do I fit gaussian function to data whose only information I have is the minimum, maximum and number of data points?
I have the minimum, maximum and number of data points. How can I fit a gaussian to this?

environ 4 ans il y a | 2 réponses | 0

Question

interpolating matrices between rows
I have the following matrix where the 1st column represents position x and 2nd column represents position y. The third column ...

environ 4 ans il y a | 2 réponses | 0

Question

Is there any way to get a matrix from data set which contains x position, y position and magnitude?
I would like to generate a 2D matrix with rows being x position and y being y position and the matrix should be filled with mag...

environ 4 ans il y a | 2 réponses | 0

Question

How to fill the gaps in a patch plot through adaptive interpolation
I have a 2 dimensional patch plot that looks like this where the colors represent magnitude of flow rate so basically I have x p...

environ 4 ans il y a | 2 réponses | 0

Question

How can I keep overlapping regions that I see in Imfuse and remove everything else in the image?
I used region props and have converted frames in a video binary images. How do I keep only the overlapping regions and remove ev...

plus de 4 ans il y a | 1 réponse | 0

Question

How can I get my minimum spanning tree to select only one edge?
for each node, I have many edges how can I make it choose the shortest edge per node?

plus de 4 ans il y a | 1 réponse | 0

Question

I have a bunch of points in each frame(they move a certain distance from frame to frame).. is there any way I can correlate these points from frame to frame using their intensity and distance traveled? Can I use pdist2?
N/A

plus de 4 ans il y a | 1 réponse | 0

Question

I have many peaks in each frame of a video. Some of these peaks can disappear from FOV sometimes. is there any way I can track their centroids (which I got using using region props) and get their subsequent velocity.
N/A

plus de 4 ans il y a | 1 réponse | 0

Question

Correlation of an image with search window
I have multiple peaks in a video and need to track this from frame to frame. How do I do the correlation between these but put a...

plus de 4 ans il y a | 1 réponse | 0

Question

Image correlation from frame to frame with a search window
I have multiple peaks in a video and need to track this from frame to frame. How do I do the correlation between these but put a...

plus de 4 ans il y a | 1 réponse | 0

Question

How do I adjust the binwidth of histfit while keeping a fixed bin number
I would like to plot the histfit histogram touching each other while reducing the bin width,

presque 5 ans il y a | 1 réponse | 0

Question

background of an image to 0
I have a 2d image( from microscope of cells) and I am trying to quantify intensity of fluoroscence. However i did not take a bac...

plus de 5 ans il y a | 1 réponse | 0