Question


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. ...

environ un an ago | 1 answer | 0

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answer

Question


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...

environ un an ago | 1 answer | 0

1

answer

Question


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...

environ un an ago | 1 answer | 0

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answer

Question


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 ...

environ un an ago | 1 answer | 0

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answer

Question


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...

environ un an ago | 1 answer | 1

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Question


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? ...

environ un an ago | 1 answer | 0

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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...

environ un an ago | 1 answer | 0

1

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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 ...

environ un an ago | 1 answer | 0

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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...

environ un an ago | 1 answer | 0

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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...

environ un an ago | 1 answer | 0

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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...

environ un an ago | 1 answer | 0

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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...

environ un an ago | 1 answer | 0

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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...

plus d'un an ago | 1 answer | 0

1

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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...

plus d'un an ago | 1 answer | 0

1

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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...

plus d'un an 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...

plus d'un an 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...

plus d'un an 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...

plus d'un an 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...

plus d'un an ago | 1 answer | 0

1

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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 ...

plus d'un an 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...

plus d'un an 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...

plus d'un an 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...

plus d'un an ago | 1 answer | 0

1

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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...

plus d'un an 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...

plus d'un an 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...

plus d'un an 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...

plus d'un an 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...

presque 2 ans ago | 1 answer | 0

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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...

environ 2 ans 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 ...

environ 2 ans ago | 1 answer | 0

1

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