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Teshan Rezel


Last seen: 4 dagar ago
45 total contributions since 2019

Teshan Rezel's Badges

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Question


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...

8 dagar ago | 1 answer | 0

1

answer

Question


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 ...

11 dagar ago | 1 answer | 0

1

answer

Question


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...

19 dagar ago | 1 answer | 0

1

answer

Question


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...

25 dagar ago | 1 answer | 0

1

answer

Question


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...

28 dagar ago | 1 answer | 0

1

answer

Question


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...

28 dagar ago | 1 answer | 0

1

answer

Question


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...

ungefär en månad ago | 1 answer | 0

1

answer

Question


App designer - problem with plotting on axes, on top of an image
Hi folks, I'm trying to place a crosshair plot (using "+" and "o") on top of an image in the app designer. Currently, the crossh...

ungefär en månad ago | 1 answer | 0

1

answer

Question


App designer - issue with app freezing after performing the first task
Hi folks, I have an app that's meant to display an image from a folder with plots on them in the shape of a crosshair. Curren...

ungefär en månad ago | 2 answers | 0

2

answers

Question


Is there a way to call a part of a function using an index?
I have a function that I call several times: plot(position6(1),position6(2),'r+', 'MarkerSize', 100, 'Color', 'w'); h = images...

ungefär 2 månader ago | 2 answers | 0

2

answers

Question


ROI - limiting the length of a crosshair
Hi there, I am currently displaying a circle and crosshair together on one image. However, is it possible to do this without sh...

ungefär 2 månader ago | 1 answer | 0

1

answer

Question


App designer - resizing axes to image size
Hi folks, I'm displaying a JPEG image in my app and currently, the axes stretch the image when the window is maximised. Is ther...

ungefär 2 månader ago | 1 answer | 0

1

answer

Question


App Designer - help with syntax for referring to an array's indices
Hi folks, I'm trying to initialise the table values on the app designer to zero, then increment the relevant cell based on spec...

ungefär 2 månader ago | 1 answer | 0

1

answer

Question


App designer - display multiple ROI on the same image
Hi, I want to display a crosshair and a circle right in the middle of my image. I wanted to do this by defining a function, as ...

ungefär 2 månader ago | 1 answer | 0

1

answer

Question


looping throwing errors, how can I avoid them?
Hi folks, I have a couple of questions about the following code. I get an error when doing the k-loop which states "Reference t...

3 månader ago | 1 answer | 0

1

answer

Question


Question about accessing data in a nested struct
Hi all, I am trying to get data from an xml file using xml2struct. Calling the struct using dot notation such as Settings.CAF...

3 månader ago | 1 answer | 0

1

answer

Question


Error using imwrite to convert .tif files to .jpeg
Hi, I'm using the following code to convert .tif images to .jpeg folder = 'D:\CAF\TR coke run Jan 21\'; imageFiles = dir([fol...

4 månader ago | 1 answer | 0

1

answer

Question


Help with an error when calling a function
Hi All, I have the following function, but every time I call it I get this error message. function [C] = SquareCentroids( Temp...

4 månader ago | 1 answer | 0

1

answer

Question


error converting chars to string
Hi folks, I keep getting an error when running the following line of code: Names = xml2struct([TestFolder '\captureSettings.x...

4 månader ago | 2 answers | 0

2

answers

Question


How to make this code more efficient, and also how to output results to single excel file with multiple sheets?
Hi there, I have the following code, which admittedly might be horridly inefficient due to my lack of experience with coding an...

4 månader ago | 1 answer | 0

1

answer

Question


xlswrite error; not working entirely or throwing up an error
Hi All, I'm getting the following error when using xlswrite: Error using xlswrite (line 224) Invoke Error, Dispatch Exceptio...

4 månader ago | 1 answer | 0

1

answer

Question


How can I display only one channel of an HSV image?
Hi folks, is there a way to threshold out a single channel from an image in the HSV colour space? I am trying to mask it over th...

10 månader ago | 1 answer | 0

1

answer

Question


Is there a way to clean the image such that the smaller pieces are not included?
Hi, I am working on thresholding an image (code included below). The threshold works well but includes several smaller pieces t...

11 månader ago | 1 answer | 0

1

answer

Question


Thresholding an image based on part of a histogram's values
Hi folks, I'm trying to get the parts of an image that fall between 2 values of its grayscale histogram, the revert the image ...

11 månader ago | 1 answer | 0

1

answer

Question


Is there a way to get the numerical values corresponding to a particular section of a histogram?
Hi folks, I'm trying to threshold an image based on a histogram, but I need to eliminate all but a certain part of the histogra...

12 månader ago | 1 answer | 0

1

answer

Question


Thresholding/Segmenting an image based on histogram
Hi folks, I have an image that I have converted to HSV format, and split the image into each channel (H, S and V). I want to fu...

12 månader ago | 1 answer | 0

1

answer

Question


Drawing the gradient histogram of a grey image's one
Hi folks, I'm trying to plot the differential/gradient of a gray image's histogram, to highlight the points of interest more re...

12 månader ago | 2 answers | 0

2

answers

Question


How can you read a filename but store a specific number within it?
Hi All, I'm trying to analyse a bunch of files that have filenames like "1 crop 1, area - 122637", "1 crop 2, area - 88497" etc...

ungefär ett år ago | 1 answer | 0

1

answer

Question


Trying to move images to different folder based on CNN classification, and failing
Hi folks, I'm trying to pass my images for classification to a CNN and then move each image (after being classified) to a folder...

ungefär ett år ago | 1 answer | 0

1

answer

Question


Error reading through all images in a directory
Hi folks, I'm trying to loop through all images in a directory but I get an error that my file doesn't exist, despite it defini...

ungefär ett år ago | 1 answer | 0

1

answer

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