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Provide your first answer ever to someone else's question
Awarded to Neo on 15 Feb 2023
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Awarded to Neo on 06 Jul 2022
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Pregunta
HELP: can some one please explain to me how to compare these two data sets accurately and why my ARI code isn't working?
Hi, I have two datasets acquired in different ways but measured the same objects I want to see how similar they are to eachothe...
más de 1 año hace | 0 respuestas | 0
0
respuestasHow do I fix my array indices? Error says must be positive or logical values.
Thank you everyone especially @Image Analyst and @Walter Roberson i finally got it to work.
más de 1 año hace | 0
| aceptada
How do I fix my array indices? Error says must be positive or logical values.
@Image Analyst it is SO good to hear from you. As I have mentioned, I admire you a lot (I've learned so much from giants like yo...
más de 1 año hace | 0
Pregunta
How do I fix my array indices? Error says must be positive or logical values.
Error: Array indices must be positive integers or logical values. Error in lefthalfdonutcode (line 155) profileSums...
más de 1 año hace | 4 respuestas | 0
4
respuestasPregunta
my minboundsphere attempt is not working, any suggestions on how to fix?
Hi, I am trying to use the attached minboundsphere code, after a very long time this is my best attempt: Error: Not enough inpu...
casi 2 años hace | 1 respuesta | 0
1
respuestaPregunta
trying to make a donut mask to span over images, suggestions?
[x,y] = meshgrid(1:width, 1:height); centerX = (width + 1) / 2; centerY = (height + 1) / 2; dist = sqrt((x - ce...
casi 2 años hace | 1 respuesta | 0
1
respuestaPregunta
made up function not running in matlab, error: unrecognized function or variable. How can I get this fixed?
Hi i made a function script (attached) to segment an image into 12 donut shapes but when I try to call it, i get the following e...
casi 2 años hace | 1 respuesta | 0
1
respuestaCan matlab perform Quantum PCA? if not, what does?
No, probably a non parallel computwer.
casi 2 años hace | 0
| aceptada
How do I determine how do these black dots vary by location in an equal spaced magnetic field.
This looks like something that I recently learned to do in Matlab with one of @Image Analyst analyst demo. Look at my question w...
casi 2 años hace | 1
How do I determine how do these black dots vary by location in an equal spaced magnetic field.
I think I understand your question but just in case check this: https://www.mathworks.com/matlabcentral/answers/6200-tutorial-...
casi 2 años hace | 1
Pregunta
Can matlab perform Quantum PCA? if not, what does?
Can matlab perform Quantum PCA? if not, what does? I'm interested in what this information would show. Quantum Principal Compon...
casi 2 años hace | 1 respuesta | 0
1
respuestaPregunta
HELP WHY IS THIS NOT WORKING? WHY HAS CODING FORSAKEN ME???? Error: Index must not exceed 5196 error? This occurs when I input a smaller image, why and how to fix?
My questions can be broken down like this: I have a code that is meant to process the mask of multiple images then count the gr...
casi 2 años hace | 1 respuesta | 0
1
respuestaPregunta
How do you calculate the minimum circle within a cluster set of data points to potentially identify the ones that are most similar?
I have made a PCA plot and I would like to calculate the minimum circle within a cluster set of data points to potentially ident...
casi 2 años hace | 3 respuestas | 0
3
respuestasPregunta
automatic circles that enclose clusters of similar data something like lineCoeff = polyfit(x, y, n) (regression line)
hello, I have generated a pca plot and there are obvious clusters of the data but to make it more evident I would like to draw c...
casi 2 años hace | 1 respuesta | 0
1
respuestaPregunta
what does pc1 and pc2 represent?
Hello, I have a plot of pca 3d plot and the axes are pc1, pc2 and pc3. How do i determine what each pc component represents? Al...
casi 2 años hace | 2 respuestas | 0
2
respuestasPregunta
extracting the count and size of white dots as a function of its location
I have drawn a box in one area of my image and a box on the other location of my image, region A and region B. You can observe t...
casi 2 años hace | 1 respuesta | 0
1
respuestaPregunta
What does it mean when euclidean distance gives the best separation using t-sne (stochastic neighbor embedding function)?
Hello, I have data which i have used PCA and t-SNE to cluster. Why does euclidean give me the best seperation? Thanks
casi 2 años hace | 0 respuestas | 0
0
respuestasPregunta
Is my bar graph accurately graphing what I ask?
i have an image which i have divided into 12 regions. I have made a code that I think counts the number of green dots in that im...
casi 2 años hace | 1 respuesta | 0
1
respuestaPregunta
can I take pca analysis of columns extracted from pixel values of a converted to gray image?
starting columns and ending columns I made a code that outputs the pixel values of the columns from an image. meanpix...
casi 2 años hace | 1 respuesta | 0
1
respuestaPregunta
What method can I use for background subtraction before performing analysis on my image?
Hi, i am exploring matlab methods for personal growth and i want to determine how to: perform background substraction contra...
casi 2 años hace | 1 respuesta | 0
1
respuestahow do I draw discriminatory lines in an image to calculate the area in each of those regions?
Will that method also allow me to calculate the area within that region too? Such that each curved line is spaced evenly through...
casi 2 años hace | 0
Pregunta
how do I draw discriminatory lines in an image to calculate the area in each of those regions?
Hello, I am exploring matlab and I was wondering how do i draw circular lines that classify particular regions of that image? So...
casi 2 años hace | 2 respuestas | 0
2
respuestasPregunta
why am I getting an error for this tutorial when adapted to my image? how can I fix this error:
clc; % Clear command window. clear; % Delete all variables. close all; % Close all figure windows except those created by imto...
casi 2 años hace | 1 respuesta | 0
1
respuestacompare pixel values to each other? Is ther afunction in Matlab that can analyze the composition of an image as a function of distance?
from… other regions of the image
casi 2 años hace | 0
Pregunta
compare pixel values to each other? Is ther afunction in Matlab that can analyze the composition of an image as a function of distance?
I am interested in looking at how the image changes over a distance within the image, any recommendations? Thanks!
casi 2 años hace | 2 respuestas | 0
2
respuestasPregunta
error in pca code
hello I am trying to determine the pca graph for a couple of images but I get errors: rng 'default' M = 7; % Number of obser...
casi 2 años hace | 1 respuesta | 0
1
respuestaPregunta
Is it possible to make a bar graph depiction of SSIM values? How?
I have ran my code for SSIM and I now want to depict the results in a bar graph format. How would I do that please?
alrededor de 2 años hace | 2 respuestas | 0
2
respuestasPregunta
Determining pixel clarity in different images
hello all I was wondering if there is a way to measure the clarity of an image? for ex, if you have a fuzzy image or an image t...
alrededor de 2 años hace | 1 respuesta | 0
1
respuestaPregunta
how do save them all up and make a table with the values from all of my images?
my code has a table wth only one row in it and all 3 columns the same??? How do I save them all up and make a table with the va...
más de 2 años hace | 1 respuesta | 0
1
respuestaPregunta
Why do I get this error of the '=' operator? I am trying to get the individual mean values of the blobs of pixels (in the image there are blobs of pixels and I want each mean)
Unsupported use of the '=' operator. To compare values for equality, use '=='. To pass name-value arguments using the name=value...
más de 2 años hace | 1 respuesta | 0
1
respuesta
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