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AbioEngineer


Last seen: 4 meses hace |  Con actividad desde 2019

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train on a hyperspectral image stack and predict what a new image would look like if I wanted to use a different channel
Let's say I have a stack of 4 grayscale images (they're all of the same thing, just different channels) in a 3D array. Each pixe...

9 meses hace | 1 respuesta | 0

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Preprocess to improve imfindcircles performance, and get pixel positions within the circles
I have an image with a bunch of circular objects as shown below, but imfindcircles doesn't seem to find the ROIs that I need. Ar...

alrededor de 2 años hace | 1 respuesta | 0

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What is the best way to correlate theoretical vs real multivariate data?
I have a matrix where each row corresponds to the concentration of 3 components. e.g. if I have a mixture of equal parts A, B, a...

alrededor de 2 años hace | 0 respuestas | 0

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n-way anova produces the same p-value for all groups
One of the toolboxes I permanently added to my startup path was causing the problem. I muted all the starup addpaths and it work...

más de 2 años hace | 0

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Align/intersect two vectors of different size and non-exact matches then trim the edges
I have two vectors, a and b, that contain various numbers of elements. Each vector has values that are roughly, but not exactly,...

más de 2 años hace | 1 respuesta | 0

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remove one directional translational blur or artifacts by sequential subtraction
I have some cell images that are captured as the cells are moving through a small tube in one direction. EDIT: Motion is going d...

alrededor de 3 años hace | 2 respuestas | 0

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dbscan clustering of xy points only returns outliers
I have an array of xy points and just want a way to determine the number of clusters. I have many sets of xy points, and all of ...

más de 3 años hace | 1 respuesta | 1

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Isovalue for volshow vs isosurface patch are different?
On the documentation page: https://www.mathworks.com/help/images/ref/volshow.html the isovalue must be a "non-negative number be...

más de 3 años hace | 0 respuestas | 0

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How to get the volume and surface area of separated isosurfaces
I have a 3D array called "test" which is 512x512x52. I can display the isosurface using the following line: volshow(test,'Rende...

más de 3 años hace | 1 respuesta | 0

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n-way anova produces the same p-value for all groups
I have 6 vectors of values. These are split into groups i and m. There are 3 i groups and 2 m groups, which yields a combination...

más de 3 años hace | 1 respuesta | 0

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Remove certain isosurfaces in a volume by size and shape
I have used the volume viewer tool to isolate some organelles within a cell, mostly lipid droplets and ribosomes etc. which are ...

más de 3 años hace | 0 respuestas | 0

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Java Jwindow not showing like before
Sorry to answer my own question. Just thought I'd share that JLabel no longer scales itself to fit the image dimensions. In shor...

casi 4 años hace | 0

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Java Jwindow not showing like before
From Animsplash https://www.mathworks.com/matlabcentral/fileexchange/56760-animated-gif-splash-screen The JWindow object is no...

casi 4 años hace | 1 respuesta | 0

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How to save a series of images (.tiff) as a stack
t=Tiff('Stacked.tiff','w'); tagstruct.ImageLength = y1; % image height tagstruct.ImageWidth = x1; % im...

casi 4 años hace | 0

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How to save a series of images (.tiff) as a stack
I can use imwrite() to save color images as tiff but I would like to have them in a single file like the one attached here. In I...

casi 4 años hace | 1 respuesta | 0

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save RGB image as a single layer/channel
I have an RGB image which is an n x n x 3 image, corresponding to the Red Green and Blue layers/channels respectively. Using i...

casi 4 años hace | 1 respuesta | 0

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Get pixel identities with different resolutions but same field of view
Let's say I took an image of the same thing, but one is 512x512 and one is 256x256 pixels. The second one has 1/4th as many pixe...

casi 4 años hace | 1 respuesta | 0

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Calculate the mean of multiple 3D arrays layer by layer
Code is provided below but is inefficient. Is there a more elegant way? Let's say I have 2 3D arrays: matrix1 and matrix2 both ...

casi 4 años hace | 1 respuesta | 0

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ImageJ commands translated to MATLAB
Hi All, I have some imageJ commands in an .ijm macro script that I am trying to accomplish in MATLAB instead, but I'm not sure ...

casi 4 años hace | 0 respuestas | 0

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How to use an LUT from ImageJ in Matlab
Figure it out. You just have to make a scrap grayscale image and apply the lut in imageJ and then do the following: image>color...

casi 4 años hace | 0

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How to use an LUT from ImageJ in Matlab
I have an LUT file that I use in ImageJ, but how can I use it MATLAB. The only thing I found were .cube applications. Is there a...

casi 4 años hace | 1 respuesta | 0

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get discrete pdf/pmf from a kernel distribution pdf on an interval
I fit a kernel distribution on some data. Now I want to sample with replacement that same Fitted kernel distribution, on a speci...

casi 4 años hace | 1 respuesta | 0

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Splitapply array to fit distributions
I have an Mx1 vector and an Mx1 column of categorical variables. Is there a way to splitapply so that I can get a distribution f...

casi 4 años hace | 1 respuesta | 0

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Aligning columns in a matrix by padding with zeros
I have a matrix A below. The values in each column are all roughly 100 apart, but some of them are missing some values. They rep...

más de 4 años hace | 1 respuesta | 0

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Graphically select multiple regions on the x-axis, store those intervals, and highlight those regions
Hello, I'm trying to easily select "bands" for feature detection in signals. It takes a while to prompt the user (by manually...

más de 4 años hace | 0 respuestas | 0

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Invalid file identifier, but can't edit the toolbox
I installed the free, light-weight toolbox "Rametrix LITE v1.1" here and followed the simple included instructions. Since it's a...

casi 5 años hace | 1 respuesta | 0

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How to save the results after 100 times run
Hi! There are many things you can do to save as an excel document. It appears you have preset your for loop to run 100 times, s...

más de 5 años hace | 1

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How to use find for a vector without a loop?
Hi! If you want to find all the locations in which vector_with_dates contains ANY of the dates in V_dates, use ismember [tf,lo...

más de 5 años hace | 0

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Confusion Matrix for ECOC model classification Example
Running this example in the Command Window: openExample('textanalytics/CreateSimpleTextModelForClassificationExample') Is the...

más de 5 años hace | 1 respuesta | 0

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randperm non uniformly distributed
I'm an idiot, there were 55 bins in the above image... changing h.NumBins = 56 solves the problem.

más de 5 años hace | 0

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