# Teshan Rezel

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**Content Feed**

Question

Issue with sgtitle and subplots. and question about applying a gradient hue to a lineplot

Hi folks, I have the following code with an issue. The sgtitle seems to appear in the output window but when the figure is ope...

15 días ago | 1 answer | 0

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answerQuestion

Is it possible to plot all combinations of parameters automatically?

Hi folks, I am using regionprops to generate all the parameters to do with a binary mask. Is there an automated way to generat...

16 días ago | 0 answers | 0

### 0

answersQuestion

Is there a way to visualise all the regionprops properties versus the original image?

Hi folks, I have a series of images with corresponding BW masks, as per below. For each mask, I have used the regionprops funct...

20 días ago | 1 answer | 0

### 1

answerQuestion

help with formatting the title of a set of graphs

Hi folks, I have a set of graph which look like the attached image. Is there any way to format the title such that it doesn't ...

23 días ago | 1 answer | 0

### 1

answerQuestion

Is there a way to threshold out only the blue elements in this picture?

Hi folks, I have an image as attached. Is it possible to only get the blue parts of the image? It is an image made from the sub...

alrededor de 1 mes ago | 2 answers | 0

### 2

answersQuestion

how can I fill these bw images to generate a mask?

Hi folks, I am trying to threshold an image using edge detection. So far, I have the following 2 images which demonstrate the e...

alrededor de 1 mes ago | 1 answer | 0

### 1

answerQuestion

help with calling a function on matlab

Hi folks, I have the following code but am getting an error when trying to run it! I think it is due to the custom function I ...

alrededor de 1 mes ago | 1 answer | 0

### 1

answerQuestion

Question about using the "fit_mutiple_gaussians" from File Exchange

Hi folks, The file in question can be found here. I am sure I'm using it wrong so please bear with me! I am trying to inpu...

3 meses ago | 1 answer | 0

### 1

answerQuestion

Is there a way to deconvolute this peak, without knowing the convoluting peaks?

Hi folks, I have peaks that look like the attached figure. Is it possible to perform an operation on the data such that the most...

3 meses ago | 1 answer | 0

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answerQuestion

Issue with locating end of poorly defined peak

Hi folks, I have several graphs that look similar to the one attached. I am trying to formalise a general approach to finding t...

4 meses ago | 1 answer | 0

### 1

answerQuestion

Is it possible to erode only the outermost layer of a circle?

Hi folks, I am looking to erode a circle from the outside in, layer by layer. So far, I have tried to use the following: x =...

4 meses ago | 3 answers | 0

### 3

answersQuestion

problem with videoWriter not closing (2)

Hi folks, This is a followup to my original question, found here! I am creating a video and having trouble with the videoWrit...

6 meses ago | 1 answer | 0

### 1

answerQuestion

problem with videoWriter not closing

Hi folks, I am creating a video and having trouble with the videoWriter not closing, or taking a very long time to close. May...

7 meses ago | 1 answer | 0

### 1

answerQuestion

How to make one video out of 3 images?

Hi folks, I'm trying to create a single image out of 3 different images, then collate the subsequent images into a video. I'm a...

7 meses ago | 1 answer | 0

### 1

answerQuestion

problem with creating video from black and white images

Hi folks, I am trying to create a video using Black and White images using the following code: writerObj = VideoWriter(threshV...

7 meses ago | 3 answers | 0

### 3

answersQuestion

Is it possible to train a model to recognise the object in this video?

Link to video Hi folks, I've tried using various image processing techniques on the images used to make this video, to try and...

8 meses ago | 1 answer | 0

### 1

answerQuestion

help with deleting zeros from an array

Hi folks, I am trying to use polyfit and polyval to get the line of best fit across two sets of data, but am getting a very wie...

8 meses ago | 1 answer | 0

### 1

answerQuestion

Help with linear regression

Hi folks, I have 2 tables. A is 256x54 and B is 1x54. I want to correlate each of the 256 values in each column of table A to...

8 meses ago | 0 answers | 0

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answersQuestion

finding the start and end points of a unimodal peak

Hi folks, I am trying to automate the finding of the start and end of a peak. Many of the peaks I am looking at are gaussian. H...

8 meses ago | 2 answers | 0

### 2

answersQuestion

Is there a way to extract the numeric data from these chars?

Hi folks, I have a cell of times (attached), which I need to read as numbers. Is there any way to do this? Using num2str() doe...

8 meses ago | 2 answers | 0

### 2

answersQuestion

Help with linear optimisation problem

Hi folks, I'm looking to conduct a linear optimisation and was hoping for some help on the matter. I have 56 columns of data...

8 meses ago | 1 answer | 0

### 1

answerQuestion

Is there a way to convert times in this format to double, so I can perform mathematical operations on them?

Hi folks, I have an array of times that looks like this: [1059, 1100, 1101...] where 1059 = 59 minutes past 10am. I need to w...

8 meses ago | 2 answers | 0

### 2

answersQuestion

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...

9 meses 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...

10 meses ago | 1 answer | 0

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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...

11 meses 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...

11 meses 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...

12 meses 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...

alrededor de 1 año 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...

alrededor de 1 año 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...

alrededor de 1 año ago | 1 answer | 0