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# AAS

Last seen: 2 maanden ago Active since 2019

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Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

12 maanden ago

Question

Minimizing an equation to 0
I have an equation where I am trying to reduce the RMS to 0 i.e RMS(A-(B+C)<=0. A,B and C are known but the RMS is not equal to ...

ongeveer een jaar ago | 3 answers | 0

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Which image contributes to the maximum intensity projection?
I have 3 images and am doing a maximum intensity projection for these 3 images. I want an image which shows the image number tha...

ongeveer een jaar ago | 1 answer | 0

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Question

Filling specific holes in an image without changing edges
I tried doing a pixel wise hole filling operation that is if its surrounded by pixels whose sum exceeds a certain number, fill i...

ongeveer een jaar ago | 1 answer | 0

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Question

interp1 using thresholding
Is there any way to interpolate selective points in an array while keep others fixed?

ongeveer een jaar ago | 1 answer | 0

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variable interpolation in meshgrid
Is there any way to do variable interpolation for different points in the row depending on which row they are in? for example...

ongeveer een jaar ago | 0 answers | 0

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Question

coordinates of high frequency
Is there any way to find points or coordinates of high frequencies in a 2d image?

ongeveer een jaar ago | 0 answers | 0

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Imregtform for only part of the image
Is there any registration function for only part of the image like imregtform .Can it track just some points on the image?

meer dan een jaar ago | 1 answer | 0

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Is there a way to imregister some points on a matlab figure
Can I do imregister for only some points in the frames and if there is a change at thos epoints, to remove those frames?

meer dan een jaar ago | 1 answer | 0

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extracting information from imregister
I am a little confused as to how imregister works. I wanted to see how much my images change with respect to a reference image. ...

meer dan een jaar ago | 1 answer | 0

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Question

removing images with " out of plane motion" in image sequence
Hi, I have an image sequence from which some images or frames have out of plane motion. How do I remove these frames? Thanks

meer dan een jaar ago | 0 answers | 0

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Question

locally weighted-regression using linear least-squares
In my research, I am trying to process some biological signals and I was seeing a paper that does locally weighted-regression us...

meer dan een jaar ago | 0 answers | 0

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Question

manipulating each pixel in an image sequence
Hi, I have an image sequence of about 40 frames. I have some noise and out of plane motion in this sequence. I would like to ...

meer dan een jaar ago | 2 answers | 0

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Question

"moving average" of last 3 images
Hi everyone, I have about 1000 images and I want to remove the images that changes drastically from the past 3 images in the ...

meer dan een jaar ago | 1 answer | 0

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Question

Plotting mean time trends
Hi, How do I plot such a figure, I have time dependent information and atleast 3 per group but I would love some guidance ...

meer dan een jaar ago | 1 answer | 0

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Removing part of file name (random numbers )
Hi, I need to remove part of fodler names that contains random numbers so I cannot really use strrep. the files look like thi...

meer dan een jaar ago | 1 answer | 0

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Question

How do I plot a line against the y axis?
I tried taking the transpose but it does not seem to work.

ongeveer 2 jaar ago | 1 answer | 0

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Question

MIP of frames from a video
I have a bunch of frames from a video and would like to output the maximum intensity projection of all the frames in a single im...

ongeveer 2 jaar ago | 1 answer | 0

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how can i remove objects that are on the edge of another object?
I want to remove objects from 1 image that are on the border of objects in another image. How can I do this?

meer dan 2 jaar ago | 1 answer | 0

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Question

How do I clear the background for such an image where the usual thresholding is not an option.
I want to create a mask so I can just extract the cells and not have any of the background. Is there any way to remove the bac...

meer dan 2 jaar ago | 1 answer | 0

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Question

Machine learning methods to segment cells
I am very new to ML methods. I want to use ML to segment within the pictures the cells and black blobs within them. The problem ...

meer dan 2 jaar ago | 1 answer | 0

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Question

How can I identify number of cells in this image?
I would like to count the number of cells in this image.

meer dan 2 jaar ago | 2 answers | 0

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Question

How to identify and locate cells
I have processed the following image and need to identify the cells- location of cells and the count. Once identified, I would...

meer dan 2 jaar ago | 1 answer | 0

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Question

Identifying circles that have black dots in them
Is there any way to identify all the circles in this image and within that can we identify the circles that have black dots in t...

meer dan 2 jaar ago | 1 answer | 0

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Question

count numbers of cells in brightfield image that have 3 proteins
I have brightfield images of cells and floruoscent images as well (these fluoroscent channels shows the proteins the cells have ...

bijna 3 jaar ago | 1 answer | 0

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Question

find points within a radius of a certain point
Is there any function such as rangesearch but for one point only knowing the max distance (radius ) to find the next point? T...

bijna 3 jaar ago | 0 answers | 0

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Is there any way to track multiple particles whos physical properties can be tracked (i.e they are similar from frame to frame)
I have a video of tracking particles that are moving in a frame and I would like to create an output with velocity tracks. I hav...

bijna 3 jaar ago | 0 answers | 0

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nearest neighbour search for scattered data
Is there any way to find 10 nearest neighbours for each point in a scattered data set? Basically I would like to do the knn sear...

bijna 3 jaar ago | 1 answer | 0

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Question

Finding 4 closest values to a value in an array
How do I find multiple points close to a particular number in an array? I can do this for one value but how do I extend that?

bijna 3 jaar ago | 1 answer | 0