# Chanille

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Question

Error using extractAfter Numeric value exceeds the number of characters in element 1. What is wrong? How do I fix this?

I am trying to eliminate redundant variables from my excel sheet but when I have less than 14 variables I get this error: Error...

ungefär ett år ago | 1 answer | 0

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answerQuestion

Why is the horizontal axis 0 to 1 in a histogram for a rgb image?

for my code I am trying to determine intensitiy of the connect components and plot histograms: for k = 1:numZones ... ...

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

How can I improve the accuracy of my classifier? I tried to remove one of the variables (column 6) but it doesn't help.

i have a classifier and after running it the accuracy decreased to 50% from 94% can someone help me to increase the accuracy for...

ungefär ett år ago | 0 answers | 0

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answersQuestion

why is my code not outputting to an excel file? Can someone fix this? I get Warning: Unable to write to Excel format, attempting to write file to CSV format.

Hi when i load in my feature mat file it transposes them then exports to an excel file. I made an exccel file and ran the code. ...

ungefär ett år ago | 1 answer | 0

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answerQuestion

can someone help me to measure the avgferet, avgminferet and area of the edges in my image in this code

edges = edge(imgContrast,'Canny'); se = strel('disk', 1); edgesClean = imclose(edges, se); edgesClean = imfill(edgesClean, '...

ungefär ett år ago | 1 answer | 0

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answerQuestion

making a working classifier image program, getting errors and unsure if its correct, please help

hello, I am a novice matlab user and I am working on making a code that is able to classify images into three different classes....

ungefär ett år ago | 1 answer | 0

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answerQuestion

I have boundaries of objects in my code. I want to use those boundaries to calculate the features of those objects in my preceding loop. please help fix

edges = edge(imgContrast,'Canny'); se = strel('disk', 1); edgesClean = imclose(edges, se); edgesClean = imfill(e...

ungefär ett år ago | 1 answer | 0

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answerQuestion

Segmentation issue with my images: small green dots called mitochondria not accurately being detected in code

I’m having an ongoing issue with my code: it is not properly detecting the mitochondria. When I zoom in, the mitochondria is sti...

ungefär ett år ago | 2 answers | 0

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answersQuestion

deconvoluting z stack multichannel tif image (3D volumetric image)

Hello, I have been having trouble deconvoluting my image in matlab: % Load multi-channel color Z stack image img = imread('ZSt...

mer än ett år ago | 0 answers | 0

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answersQuestion

SOS! PLEASE SAVE MY CODE:

In my code I have the following issues: 1. the count measurement is not accurately outputting the count of blobs in the zones of...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

how can i convert my image and excel file to get a working 2D VMD output?

Hello, I am seeking guidance. I am kind of new to matlab and i want to see what the 2D VMD function/script does to my images/xls...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

can you help me identify the issue in my code

but its either not complete or gives an error. The errors I am getting are weird: Warning: Integer operands are required for c...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

is this the proper way to convert your axis and graphs to square microns?

So I want to plot the graph in units of square microns, which I tried to do by calculating the area of each zone in square micr...

mer än ett år ago | 1 answer | 0

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answerQuestion

Can i get 12 different colors for 12 different variables in matlab? So far I could only get 6 colors because i don't know the values for the other colors:

if(strcmp(matrix(i,2),"C1")==1) redundant sRGB matrix values replaced with ... end fs = 10; ...

mer än ett år ago | 1 answer | 0

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answerQuestion

How could I graph the percent of variance by PC component?

I am trying to replicate these graphs with my own data but the pca function doesn't give this graphs explicitly. Do I have to ex...

mer än ett år ago | 1 answer | 0

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answerQuestion

How do I determine how do these black dots vary by location in an equal spaced magnetic field.

I circled some of the black dots I want to count in the red circle. I want to segment each area equally across the image in th...

mer än ett år ago | 3 answers | 0

### 3

answersQuestion

Excel sheet data upload "Invalid 'DataRange'. The column size must match the number of variables".

Error: "Invalid 'DataRange'. The column size must match the number of variables". I imported xlsx (excel) data into matlab...

mer än ett år ago | 1 answer | 0