William Thielicke

OPTOLUTION Messtechnik GmbH

Last seen: 2 dagar ago | Active since 2008

Personal website: http://William.Thielicke.org Company website: http://www.Optolution.com Professional Interests: Animal locomotion, flow measurement techniques, micro air vehicles, robotics

Programming Languages:
Python, MATLAB, Visual Basic
Spoken Languages:
English, French, German

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Submitted

PIVlab - particle image velocimetry (PIV) tool with GUI
Easy to use, GUI based tool to analyze, validate, postprocess, visualize and simulate (micro) PIV data. Optional parallel comput...

11 dagar ago | 1093 downloads |

Question

Image acquisition toolbox: Predict how many imgs can be buffered in RAM?
Hello, I am looking for a way to predict how many frames (approx.) I can capture to the RAM of my computer using the image proc...

4 månader ago | 0 answers | 0

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answers

Question

Speed improvement of repeated cross-correlation of an "almost same area" ?
Hi, my question is probably more a mathematical one: I am calculating a cross-correlation of two sub-images to determine a disp...

4 månader ago | 1 answer | 0

1

answer

Submitted

Keyword occurance in academic papers (google scholar)
This function gets the amount of hits for a specific keyword per year, using google scholar. Inspired by https://zenodo.org/reco...

6 månader ago | 1 download |

Answered
Deblur image that has locally varying (but well known) motion blur
Dear Bjorn, thanks for your reply! I had a look at your code, but I think it will take me some more time to understand if I can ...

8 månader ago | 0

Question

Deblur image that has locally varying (but well known) motion blur
Hi, I have an image where motion blur occurs due to long exposure photographing. I know the amount of motion blur for each pixel...

8 månader ago | 3 answers | 0

3

answers

Question

Colorbar range inconsistent in high aspect ratio images
Hi, I am certainly doing sth wrong, but I wonder why Matlab displays different colormap limits when I change the colormap locati...

11 månader ago | 1 answer | 0

1

answer

Answered
How can I open MATLAB data files in the PIVlab app?
PIVlab sessions can only be opened in PIVlab. If you want to work in MATLAB, you can export the results as mat file from PIVlab....

ungefär ett år ago | 0

| accepted

Answered
imagesc: how to set NaN as white color
As this is still the first hit when searching on Google... The best solution IMHO: Setting data that is NaN to transparent se...

ungefär ett år ago | 2

Submitted

Webcam Realtime Motion Tracker
Example of how to track space-resolved motion in realtime from a webcam video stream.

ungefär ett år ago | 21 downloads |

Question

Sudden drop in speed for large matrices. RAM full -> Prevention?
Dear all, I am doing image analyses with a toolbox called "PIVlab". At work, we recently bought a new camera with 25 MP resolut...

ungefär ett år ago | 0 answers | 2

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answers

Question

cell2mat -> operation -> mat2cell : How...?
Hi, I have a cell aray that I need to convert to a 3D matrix, perform some operation, and then convert it back to the original c...

mer än ett år ago | 1 answer | 0

1

answer

Question

imwrite 12bit data?
Hello, I have a camera that gives me grayscale 12bit images. They are quite big, and the framerate is quite high, so I would lik...

mer än ett år ago | 0 answers | 0

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answers

Question

FEX: How to add links in the overview text?
Hello, I would like to have the text in my Matlab submission appear as a hyperlink: https://de.mathworks.com/matlabcentral/file...

mer än ett år ago | 0 answers | 0

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answers

Answered
'Clipping' the quiver plot
When anything uses "axis image", then it is not possible to disable clipping anmore... Is this desired behaviour? figure; imag...

mer än ett år ago | 0

Solved

Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

mer än ett år ago

Question

Best Matlab Editor replacement?
Is there a way to replace the MATLAB Editor? I think it is hardly better than windows notepad, which appears a bit ridiculous fo...

mer än ett år ago | 4 answers | 3

4

answers

Question

Core i7/i9 and Ryzen 7/9 and Threadripper etc owners: Please test your speed with my script. Looking for the suitable CPU for a Matlab computer
Hi, I know that this question has been asked very often. But me too, I am looking for the fastest computer to run some very spec...

mer än ett år ago | 0 answers | 0

0

answers

Answered
Practical way to have multiple "drawrectangle" and work with them
Ok, I found something in the help: hfhs = findobj(gca, 'Type', 'images.roi.Rectangle') Calling this just before starting the t...

mer än ett år ago | 0

| accepted

Question

Practical way to have multiple "drawrectangle" and work with them
I have an image displayed in an axes. The user should draw multiple rectangles using drawrectangle (command started via menu com...

mer än ett år ago | 1 answer | 0

1

answer

Submitted

Preview and play video files
Very simple and easy tool to play and preview video files.

nästan 2 år ago | 3 downloads |

Question

Customize "implay"
Hi, is it possible to customize matlabs inbuilt video player? I would like to hide the toolbar and the menu. Something like:...

nästan 2 år ago | 1 answer | 0

1

answer

Question

Vectorize for loop: corr2(A(:,:,i),B(:,:,i))
Hi, I am trying to accelerate a function and am unable to perform this myself, so I am hoping for your help. I have a set of 10...

nästan 2 år ago | 1 answer | 0

1

answer

Answered
Question: subplot axes label cut off (activepositionproperty problem?)
So this bug still hasn't been fixed...? After 8.5 years...?

ungefär 2 år ago | 5

Question

Matlb Projects / Git: The remote update was rejected by the target: refs/heads/main->refs/remotes/origin/main
Hi, I am new to all this version control and trying to work on my repo: https://github.com/Shrediquette/PIVlab/ In Matlab, I a...

ungefär 2 år ago | 0 answers | 0

0

answers

Answered
FileExchange: Zip, Toolbox, App
I got a good answer from the support (after some discussion why they should help me although my Matlab subscription has expired....

mer än 2 år ago | 0

| accepted

Question

FileExchange: Zip, Toolbox, App
I want my contribution (it is a GUI for image analysis) to be available as: zip archive (with just the .m files etc. that are ...

mer än 2 år ago | 1 answer | 1

1

answer

Question

What function fits my data...?
Hello, I am a bit unsure if this is the correct place to ask my question, but I'll try anyways: I am doing laser triangulation,...

ungefär 3 år ago | 2 answers | 0

2

answers

Question

Custom GUI: Check for updates
Hi, I made a Toolbox that I am updating from time to time. Is there a way to notify users that an update of my Toolbox has been ...

ungefär 3 år ago | 1 answer | 0

1

answer

Question

Circular vs. linear convolution of 2D data
Hi, there is an example for 1D data and circular vs linear convolution here: https://de.mathworks.com/help/signal/ug/linear-and...

mer än 3 år ago | 1 answer | 0

1

answer

William Thielicke

OPTOLUTION Messtechnik GmbH

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