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Awarded to Happy PhD on 15 Oct 2019
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Question
How to do convolution of an image with many combinations of a mask, fast?
Hi, I have an normal size image (about 1200x1900) for which I have cropped to a smaller image, but for simplicity lets say i hav...
5 maanden ago | 1 answer | 0
1
answerQuestion
Error message using timer
Hi, Im having issues with my timers giving lots of error messages when being runned. Im using the timer to plot a capture ...
8 maanden ago | 1 answer | 0
1
answerQuestion
Saving image in correct format or how do I save only image-part of the figure?
I want to save the "image part" of the figure as .jpeg. That is, everwything that is inside of the axis (without the axis and th...
9 maanden ago | 2 answers | 0
2
answersQuestion
how to set x-axes in a histogram of gray scale image and how to see if the image is saturated (12 bit)
Hi, I am trying to plot a histogram of a unit16 picture (actually its a 12 bit image) and plot the gray scale. I am interested t...
11 maanden ago | 3 answers | 0
3
answersQuestion
How can I get the intensity sum of a circular region around a particular pixel?
I have two regions of light, in circles for which i want to calculate the intensity of region 1 (center circle) and region 2 (ou...
12 maanden ago | 1 answer | 0
1
answerQuestion
Crop out a section of the image in imshow, how?
I have an image I, I want to crop out a section of the image so i dont use the whole image in the analysis. I have two coordin...
meer dan een jaar ago | 1 answer | 0
1
answerQuestion
Saving figure in app designer.
Hi, I want to save a figure in app designer called app.ScanDataPlot. The code below saves the figure (but just the data, with ...
meer dan een jaar ago | 1 answer | 0
1
answerQuestion
how to create used input struct names
Hi. I created a struct, data = struct() I would like to add fields to it based on user input from app designer. For example...
meer dan een jaar ago | 1 answer | 0
1
answerQuestion
How to i reset/clear an figure in app designer?
I tried to write app.UIAxes.cla; or cla(app.UIAxes) but it doesn't do the job. Yes it clears the figure, but when I rep...
meer dan een jaar ago | 1 answer | 0
1
answerQuestion
How to build on an existing struct 4x4xn matrix?
I have an struct, for example... A = struct(); where we have a 4x4 matrix A.G = rand(4,4); I want to build on values with...
meer dan een jaar ago | 2 answers | 0
2
answersQuestion
figures are not opening
Hi, I have some figures I am saving to file from app designer. I am using code fig1.Visible = 'off'; to make the figures i...
bijna 2 jaar ago | 1 answer | 0
1
answerQuestion
How to handle timer
I have a program in app designer, for which I have a camera that is showing live feed with a timer. See example below,.. ...
bijna 2 jaar ago | 1 answer | 0
1
answerQuestion
Error with timer TimerFcn
Hi, am using an timer to plot my camera onto UIAxes. I am getting error everytime I stop the timer. I am getting the error te...
ongeveer 2 jaar ago | 2 answers | 0
2
answersQuestion
how to set exposuretime in appdesigner with EditField?
Hi, I am trying to change the exposure time with an Edit Field, but I am problem accessing the camera properties wihin the ap...
meer dan 2 jaar ago | 1 answer | 0
1
answerQuestion
Appdesigner: Workaround Functionality PickableParts?
Hi, I am trying to migrate myCameraGUI into AppDesigner. There are some issues in the Migration Report. For example, the fucnt...
meer dan 2 jaar ago | 2 answers | 0
2
answersQuestion
Object not showing, image format?
Hi, I need some help understanding why saving the same image looks so different depending on method used to save the image. I ...
meer dan 2 jaar ago | 0 answers | 0
0
answersQuestion
How to plot the intensity profile at 45 degree angle at certin coordinate?
The maximal intensity is located at coordiante (1064; 662). I can plot the line profile vertically and horiontally. My pro...
meer dan 2 jaar ago | 2 answers | 0
2
answersQuestion
Convert an image with 16 bit depth to 32 or 62 bit in MATLAB?
How can i convert a 16-bit monocromatic image (no colors, black and white) to 32-bit ot 62-bit depth image? Also, I have an .p...
meer dan 2 jaar ago | 1 answer | 0
1
answerQuestion
How to get live feed of the camera with maximal intensity.
Hi, I have a GigE 8-, 12- bit monochromatic camera. I would like to have some kind of live feed of the camera while settin...
ongeveer 3 jaar ago | 1 answer | 0
1
answerQuestion
How to save 12 bit PNG images
Hi, I have a grayscale camera that takes 8 and 12 bit images. Im taking images via MATLAB gentl. I noticed that imwrite saves th...
ongeveer 3 jaar ago | 1 answer | 0
1
answerQuestion
Fast concolution of image and ellipse of varid sizes
Hi, I'm currently trying to figure out how to make fast convolution between an image (2000x1600 pixels) and a much smaller ellip...
ongeveer 3 jaar ago | 1 answer | 0
1
answerQuestion
Fast convolution of an large image and small mask
Hi, I was wondering if it is possile to speed up the convolution of a large image? My image and my mask are not the same size. F...
meer dan 3 jaar ago | 1 answer | 0
1
answerQuestion
How does the imresize function work?
Hi, I was wondering if the resize function changes the size of the pixel? Is the resize function same as CCD binning? I like to ...
meer dan 3 jaar ago | 1 answer | 0
1
answerQuestion
Image processing handling camera temperature flucturations
Hi, I guess this is more of a question about image processing. I am taking pictures with a CCD camera in the lab and then analys...
meer dan 3 jaar ago | 1 answer | 0
1
answerQuestion
Question about Imaging functions
Hi, I have done some measurement of a light source that I like to display in MATLAB. I want to look at the intensities for e...
meer dan 3 jaar ago | 1 answer | 0
1
answerQuestion
Changing the x,y axis values
Hi, I have a figure of an image showing the pixel number in the x- and y-axis. I would like to display this in angle mrad in...
meer dan 3 jaar ago | 2 answers | 0
