# Teshan Rezel

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**Content Feed**

Question

Is it possible to rectify the figure such that the zig-zag effect doesn't occur?

Hi folks, I have a series of graphs as per below. With all of them, they appear to have this "wonky" tail and I'm not sure wha...

circa 18 ore ago | 1 answer | 0

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answerQuestion

Is there a way to segment this image into 3 parts, even though the colours are so similar?

Hi folks, I am trying to segment the following image of a seed. The points of interest look very similar in RGB, HSV, LAB and YC...

circa 2 mesi ago | 1 answer | 0

### 1

answerQuestion

Deleting certain elements from an array without looping

Hi folks, I have a cell array containing all the file names in a subfolder. I want to remove the filenames that are not 21 char...

2 mesi ago | 2 answers | 0

### 2

answersQuestion

renaming a variable, or creating a dynamic variable name

Hi folks, I read on here that creating dynamic variable names is bad programming practice, so was hoping to get some help with...

3 mesi ago | 2 answers | 0

### 2

answersQuestion

Is there a way to overlay a graph onto a video, plotting each successive point with each frame?

Reposted since the previous post didn't get resolved! Hi folks, I have a script that creates a video from image files, as be...

3 mesi ago | 2 answers | 0

### 2

answersQuestion

Is there a way to overlay a graph onto a video, plotting each successive point with each frame?

Hi folks, I have a script that creates a video from image files, as below: for i = 1 : numFolders RawImages = [vidFolders...

4 mesi ago | 2 answers | 0

### 2

answersQuestion

help with reading txt file into matlab

hi folks, I have a very large txt file that I want to read into Matlab. When I use the "import data" option it reads the file j...

5 mesi ago | 1 answer | 0

### 1

answerQuestion

Help with extracting data from excel

Hi folks, I'm trying to extract data from excel files in a specific way. Essentially, I want to loop through each file, get t...

5 mesi ago | 1 answer | 0

### 1

answerQuestion

Help with syntax for a self-made function

Hi folks, I have the following function defined in Matlab but am getting an error when running. The error and the code are belo...

5 mesi ago | 1 answer | 0

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answerQuestion

Is there a way to overlay one mask onto another?

I have two masks, as below. I want to make sure that the white area of the second mask is not more than the white in the first. ...

6 mesi ago | 1 answer | 0

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answerQuestion

Is there a way to threshold the background out of the image, to leave only the object?

Hi folks, I have images that look like the following, and I'm trying to threshold out the background. For some images, this is ...

6 mesi ago | 1 answer | 0

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answerQuestion

App designer - Automatically scale app to the size of the screen it is used on

Hi folks, I have an app where the components are scaled appropriately for my screen, but not for others of a different (smalle...

6 mesi ago | 1 answer | 0

### 1

answerQuestion

problem with polyval plotting

Hi folks, I am trying to plot a trendline on a scattergraph but I'm not sure why the following is happening! Any help will be a...

6 mesi ago | 1 answer | 0

### 1

answerQuestion

Plotting data with 5 dimensions

Hi folks, I have a dataset that has data points each with a name and 4 elements. However, of these elements are percentages t...

7 mesi ago | 1 answer | 0

### 1

answerQuestion

VERTCAT error when trying to populate array

Hi folks, I am trying to write some fata into an array, which I will then write to excel. I get the VERTCAT error when trying t...

7 mesi ago | 1 answer | 0

### 1

answerQuestion

Problem writing histogram data to excel - non-English characters and mismatched columns

Hi folks, I am trying to write image histogram data to excel, for various images. However, I am running into a problem where t...

7 mesi ago | 1 answer | 0

### 1

answerQuestion

Is there a way to write data to excel, on different sheets, with each sheet named?

Hi folks, I am trying to write data from matlab into excel, onto multiple sheets within the same excel file. However, I would l...

7 mesi ago | 1 answer | 0

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answerQuestion

Is there a way to shift the data upwards automatically?

Hi folks, I have a graph as follows. I am looking to shift the valley (red) upwards to be in keeping with the preceeding data. ...

7 mesi ago | 1 answer | 0

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answerQuestion

Error: Expected input to be a vector

Hi folks, I am calling a self-made function as follows: ir = rotateAround(ig, Cy, Cx, Angle_DEG); But the last variable, Ang...

7 mesi ago | 1 answer | 0

### 1

answerQuestion

help with image threshold using bioformats

Hi folks, I am reading non-standard image files (not jpeg, png etc) into matlab, then using matlab to threshold these images ba...

8 mesi ago | 1 answer | 0

### 1

answerQuestion

Trying to solve 3 simultaneous equations, results seem erroneous

Hi folks, I am trying to solve the following set of equations. However, when plotting the results from the coefficients, I get ...

8 mesi ago | 1 answer | 0

### 1

answerQuestion

Problem/question with regression

Hi folks, I have the following data: Reflectance R G B 7.51 109 54 124 3.17 57 30 63 1.24 30 17 31 I am tryin...

8 mesi ago | 1 answer | 1

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answerQuestion

Is there a way to smoothen the function/"bridge the gap"?

Hi folks, I have a graph as follows. I am looking to replace the valley (red) with smoothened data. Is there a way to do this? ...

8 mesi ago | 1 answer | 0

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answerQuestion

Question regarding strange outputs from histogram plot

Hi folks, I have an image which is mostly black, with specks of purple. When I plot the RGB histogram for the image, I get an s...

9 mesi ago | 1 answer | 0

### 1

answerQuestion

App designer - uiputfile is saving the file to the wrong path

Hi folks, I have the following code to save a table as an excel file. The problem is, the file is always saved to the default ...

9 mesi ago | 1 answer | 0

### 1

answerQuestion

App Designer - how to get app designer to focus on particular window

Hi folks, I have an app in which, on startup, the user gets to select a folder. The problem is that selection window isn't alwa...

9 mesi ago | 1 answer | 0

### 1

answerQuestion

App designer - how to use numpad instead of number keys?

Hi folks, I have the following code, but was wondring if it can be adjusted to use the numpad inputs as well as the number keys...

9 mesi ago | 1 answer | 0

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answerQuestion

App designer - problem with thresholding image

Hi folks, I have the app attached, in which I am encountering two issues. Firstly, when trying to threshold an image and displa...

9 mesi ago | 1 answer | 0

### 1

answerQuestion

App designer - deleting an unnamed plot

Hi folks, I have the following code for generating 1 or multiple plots on an image. function ROI(app, index1, index2) ho...

9 mesi ago | 1 answer | 0

### 1

answerQuestion

App designer - using a single variable to return multiple indices

Hi folks, I am trying to pass two indices into a function but am currently failing as I'm sure I'm doing it wrong. I tried to...

10 mesi ago | 1 answer | 0