Happy PhD

Last seen: 10 days ago | Active since 2018

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Answered
Error when setting exposure time
The solution this was to use videoinput instead of imaq.VideoDevice. With src.getselectedsource one can set the parameters of th...

10 days ago | 1

Question

Error when setting exposure time
I use this to grab the camera I am using, app.vidobj = imaq.VideoDevice('gentl', 1, 'Mono8'); Then I want to set the exposure...

11 days ago | 1 answer | 0

1

answer

Question

Is there an offline installer för MATLAB 20025a?
Hi, I was wondering if there is an offline MATLAB installer available to install the software on a offline computer? When I ...

4 months ago | 1 answer | 0

1

answer

Question

From a time in a video, can you get the frame number?
I want to know what frame number we have from a video at certain time stamps. For example from 1:42 to 1:45 mark. How do I obtai...

9 months ago | 1 answer | 0

1

answer

Answered
Cannot upload .mp4 file
I needed to reformat my disk and then it worked.

10 months ago | 0

| accepted

Question

Cannot upload .mp4 file
I get the following error when I am trying to upload the frames from a recorded video in format .mp4. The video comes from a hig...

10 months ago | 1 answer | 0

1

answer

Question

With contour of image how to change x and y axis?
I am plotting an contour of a matrix (image). How do I change the number of x and y axis to display angle values instead of pixe...

1 year ago | 1 answer | 0

1

answer

Question

How to get camera temperature and set exposue time?
Hi, I got an FLIR camera and I would like to get the camera temperature and be able to set the exposure time of my camera. An...

2 years ago | 1 answer | 0

1

answer

Question

Convert string into date
I am trying to convert "145601" into "14:56:01". How can I do this in a for loop?

2 years ago | 1 answer | 0

1

answer

Question

get folder names in a directory
Hi, I am trying to get the names of the folders within a certain folder representing a distance, to upload the images within ea...

2 years ago | 1 answer | 0

1

answer

Question

to extract information from a text file?
Im stuck and need some help. I need to find a specific text file in a folder with some images and extract some information fro...

2 years ago | 1 answer | 0

1

answer

Question

how to extract double value from a string?
I been trying to figure our how to extract certain numbers from a string with this layout: D:\MATLAB\noise_check\bilder\Image_...

3 years ago | 2 answers | 0

2

answers

Question

How can i extract the numbers from string?
Im trying to extract the numbers from a cell array? How can i do this? cell array: filename = 1×12 cell array Colum...

3 years ago | 2 answers | 0

2

answers

Question

Saturation limit on 16 bit image in MATLAB
I have a series of images and I am trying to decide if its saturated or not. This is the intensity levels i got with code below ...

3 years ago | 1 answer | 0

1

answer

Question

How to save data to existing excel file
I am trying to save data in excel but I am having trouble with adding header to first row and then data beneath existing rows. ...

3 years ago | 4 answers | 0

4

answers

Question

How to find the coordinates from an convolution with an mask
Hi, I created an rectagular mask or elliptical mask that i rotate and convolute with an gray-scale image with some intensity c...

3 years ago | 1 answer | 0

1

answer

Question

How to create a rectangular mask based on current code for making an elliptical mask
I have an code that creates an elliptical mask and rotates it to a certain angle: for k = 0:180/deltaK:180-1 % Loop to Rotate...

3 years ago | 2 answers | 0

2

answers

Question

Automatic cropping of an image using threshold
I have an grayscale image with a intensity distribution. The peaks of the light might be at one locatoion or contain several pea...

3 years ago | 1 answer | 0

1

answer

Answered
How to read in several 16-bit images and store their filenames?
I solved it with this code: https://www.mathworks.com/help/matlab/import_export/process-a-sequence-of-files.html

3 years ago | 0

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Question

How to read in several 16-bit images and store their filenames?
I have a set of images in a folder that is16-bit and I want to load them into matlab, maybe into an array, to do some calculatio...

3 years ago | 2 answers | 0

2

answers

Question

Image warning about downscaling for preview?
Hi, I am using the Image Acquisition app and sometimes I use the preview with gigecam and I am getting the follwing error: War...

3 years ago | 1 answer | 0

1

answer

Answered
Can you get the maximal intensity of an frame in preview
Problem was solved by taking snapshot and find the maximal value in the frame.

3 years ago | 0

| accepted

Answered
Add legend in plot in Appdesigner
Solved the problem. I had to add legend(app.UIAxes); to make it visible.

3 years ago | 1

| accepted

Question

Add legend in plot in Appdesigner
Hi, I am doing some image processing and I like to plot the result for each added image as a new legend. Number of legends can b...

3 years ago | 1 answer | 0

1

answer

Question

Can you get the maximal intensity of an frame in preview
I am using preview for having an live feed of the camera. I would like to also display the maximal intensity of each frame with ...

3 years ago | 1 answer | 0

1

answer

Question

Place video stream inside of app designer
I have an code that i want to place inside of app designer. The code creates a window that shows the frames (live stream) of an ...

3 years ago | 1 answer | 0

1

answer

Question

Read and extract specific values from a textfile
Hi, I am trying to extact values at diffrent positions from a file with different type of lines. Example of some lines: t= ...

4 years ago | 1 answer | 0

1

answer

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...

4 years ago | 1 answer | 0

1

answer

Question

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 ...

4 years ago | 1 answer | 0

1

answer

Question

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...

4 years ago | 2 answers | 0

2

answers