
William Thielicke
OPTOLUTION Messtechnik GmbH
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
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Content Feed
Question
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...
2 jours il y a | 1 réponse | 0
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...
3 jours 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...
20 jours 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...
21 jours 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...
22 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 analyze, validate, postprocess, visualize and simulate (micro) PIV data. Optional parallel comput...
environ un mois il y a | 1197 téléchargements |

Image 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...
2 mois 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...
8 mois 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...
8 mois 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...
9 mois 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 d'un an 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 d'un an 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 d'un an il y a | 3 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 ...
plus d'un an 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...
plus d'un an 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...
presque 2 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 2 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...
environ 2 ans il y a | 4
A soumis
Webcam Realtime Motion Tracker
Example of how to track space-resolved motion in realtime from a webcam video stream.
environ 2 ans il y a | 4 téléchargements |
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...
environ 2 ans il y a | 1 réponse | 2
0
réponseQuestion
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...
plus de 2 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
plus de 2 ans il y a | 1 réponse | 0
0
réponseQuestion
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...
plus de 2 ans il y a | 1 réponse | 0
0
réponse'Clipping' the quiver plot
When anything uses "axis image", then it is not possible to disable clipping anmore... Is this desired behaviour? figure; imag...
plus de 2 ans il y a | 0
A résolu
Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
plus de 2 ans il y a
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...
plus de 2 ans il y a | 4 réponses | 4
4
réponsesQuestion
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...
plus de 2 ans il y a | 1 réponse | 0
0
réponsePractical 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...
presque 3 ans il y a | 0
| A accepté
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...
presque 3 ans il y a | 1 réponse | 0
1
réponseA soumis
Preview and play video files
Very simple and easy tool to play and preview video files.
presque 3 ans il y a | 1 téléchargement |