William Thielicke
Personal website: http://William.Thielicke.org Company website: http://www.Optolution.com Professional Interests: Animal locomotion, flow measurement techniques, micro air vehicles, robotics
Python, MATLAB, Visual Basic
Spoken Languages:
English, French, German
Professional Interests:
Image Processing Toolbox, Image Acquisition Toolbox
Statistiques
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35 Questions
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Feeds
plotCamera: estimateExtrinsics and extrinsics give different poses. Why?
Ok, it seems to be the premultiply / postmultiply issue. If I add this before doing extr2pose, then both approaches are identica...
4 jours il y a | 1
| A accepté
Question
plotCamera: estimateExtrinsics and extrinsics give different poses. Why?
Hello! I am trying to visualize the positions of two cameras with respect to a calibration target. I can use two different codes...
4 jours il y a | 1 réponse | 0
1
réponseA soumis
PIVlab - particle image velocimetry (PIV) tool with GUI
Easy to use, GUI based tool to capture, analyze, validate, postprocess, visualize and simulate PIV data. http://PIVlab.de
4 mois il y a | 629 téléchargements |
Determining the install location of a compiled program.
@OCDER: This is the location where the exe file (which seems to act as some sort of shortcut) is located. The actual files of th...
5 mois il y a | 0
Question
UI scaling changes from latest 2025a prerelease to official 2025a release
Hi, I spent MANY hours to get my GUI running in 2025a - I included many changes to fix all the scaling issues of ui elements. I ...
8 mois il y a | 1 réponse | 0
1
réponseHow to pass variable parameters to mcc compiler being run within a script?
There is a function version: mcc(options,mfilename)
environ un an il y a | 0
Question
parfeval with backgroundpool and ftp and mget
Hi, I want to download a file via ftp, and display the progress during download. This works with websave, but I can't get it to ...
environ un an il y a | 1 réponse | 0
0
réponseQuestion
Matlab Compiler: Is "userpath" always there and accessible?
Dear all, my compiled app needs to store some temporary files in the background. Is it safe to assume that the directory given ...
environ un an il y a | 1 réponse | 0
1
réponseQuestion
Matlab Compiler Splash screens sizes, aspect ratio
There are two splash screen locations available in Matlab Compiler. One for the App itself, the other for the installer. I can't...
environ un an il y a | 1 réponse | 0
0
réponseQuestion
Warning: The next image file directory at byte position 944016033 is at or beyond the end of the file.
When i run the following command: imfinfo('PIVlab_panda_Cam01.tif'); I get the error message from the title. The image file i...
plus d'un an il y a | 1 réponse | 0
1
réponseQuestion
Error handling with graphical user interface
Hi, sometimes, a graphical user interface tool that I published crashes. This tool is often used by people that are new to Matl...
plus d'un an il y a | 1 réponse | 0
1
réponseQuestion
Check code compatibility with older releases
Hi, I am wondering if there is a more or less efficient way to check backwards compatibility. Here is an example: I am using thi...
presque 2 ans il y a | 2 réponses | 0
2
réponsesQuestion
Finding nice color bar limits automatically
Dear all, I have a plot with a colorbar. The limits of the color bar can't be adjusted automatically, because the plot is a bit ...
environ 2 ans il y a | 1 réponse | 0
1
réponseQuestion
ROI with hole, convert back to logical
Hi, I have a task that has probably been asked before, but I do not find something about this issue. I have a binary mask that...
environ 2 ans il y a | 1 réponse | 1
0
réponseHow can i edit the points of a saved ROI?
I think I found the solution: figure imshow(imread('baby.jpg')) roi = images.roi.AssistedFreehand(Color="y"); draw(roi) The...
environ 2 ans il y a | 0
Best way to export image / animation from GUI, including colorbar
I think I am close to a good solution: The function that does all the plotting / imagesc / scatter in the uifigure got an addit...
environ 2 ans il y a | 0
Question
Best way to export image / animation from GUI, including colorbar
Hi, am am trying to export a graphics file from a uifigure. The plot has several layers and elements, and also features a colorb...
environ 2 ans il y a | 1 réponse | 0
1
réponseQuestion
Mac and Linux users, please support me with a very simple task (VideoWriter.getProfiles())
Dear Mac and Linux users, I am currently enhancing a piece of GUI software (PIVlab), and I want to allow the users to select one...
environ 2 ans il y a | 1 réponse | 0
1
réponseImage acquisition toolbox: Predict how many imgs can be buffered in RAM?
I found a solution. Here is the function that I use: function [max_possible_images] = PIVlab_capture_max_possible_images(ROI,bi...
plus de 2 ans il y a | 0
| A accepté
try...catch for memory full error in imaq toolbox ?
I am getting a bit closer, I am able to display a messagebox with a suitable hint: clc imaqreset delete(imaqfind); %clears al...
presque 3 ans il y a | 0
Question
try...catch for memory full error in imaq toolbox ?
Hi, I am recording data with an usb3vision camera. I am directly capturing to RAM. After a while, the memory of the computer is...
presque 3 ans il y a | 4 réponses | 0
4
réponsesQuestion
Image undistortion with fixed camera position and single calibration image
Dear all, I want to undistort an image. The camera is fixed on a tripod. The camera captures the reflected light of particles w...
presque 3 ans il y a | 2 réponses | 0
2
réponsesQuestion
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...
plus de 3 ans il y a | 2 réponses | 0
2
réponsesQuestion
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...
plus de 3 ans il y a | 1 réponse | 0
1
réponseA soumis
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...
plus de 3 ans il y a | 2 téléchargements |
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 ...
presque 4 ans il y a | 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...
presque 4 ans il y a | 3 réponses | 0
3
réponsesQuestion
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...
environ 4 ans il y a | 1 réponse | 0
1
réponseHow 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....
environ 4 ans il y a | 0
| A accepté
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...
plus de 4 ans il y a | 7
