William Thielicke

OPTOLUTION Messtechnik GmbH

Last seen: Today | Aktiv seit 2008

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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
Professional Interests:
Image Processing Toolbox, Image Acquisition Toolbox

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

17 Tage vor | 1360 Downloads |

Frage

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...

2 Monate vor | 2 Antworten | 0

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Frage

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 ...

3 Monate vor | 1 Antwort | 0

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Frage

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...

5 Monate vor | 0 Antworten | 1

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Beantwortet
How 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...

5 Monate vor | 0

Beantwortet
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...

5 Monate vor | 0

Frage

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...

5 Monate vor | 1 Antwort | 0

1

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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...

5 Monate vor | 1 Antwort | 0

1

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Beantwortet
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...

7 Monate vor | 0

| akzeptiert

Beantwortet
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...

etwa ein Jahr vor | 0

Frage

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...

etwa ein Jahr vor | 4 Antworten | 0

4

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Frage

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...

etwa ein Jahr vor | 2 Antworten | 0

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Frage

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...

mehr als ein Jahr vor | 2 Antworten | 0

2

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Frage

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...

mehr als ein Jahr vor | 1 Antwort | 0

1

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Gesendet

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...

fast 2 Jahre vor | 3 Downloads |

Beantwortet
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 ...

etwa 2 Jahre vor | 0

Frage

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...

etwa 2 Jahre vor | 3 Antworten | 0

3

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Frage

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...

mehr als 2 Jahre vor | 1 Antwort | 0

1

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Beantwortet
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....

mehr als 2 Jahre vor | 0

| akzeptiert

Beantwortet
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...

mehr als 2 Jahre vor | 6

Gesendet

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

mehr als 2 Jahre vor | 1 Download |

Frage

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...

mehr als 2 Jahre vor | 0 Antworten | 2

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Frage

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...

mehr als 2 Jahre vor | 1 Antwort | 0

1

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Frage

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...

mehr als 2 Jahre vor | 0 Antworten | 0

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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...

mehr als 2 Jahre vor | 0 Antworten | 0

0

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

fast 3 Jahre vor | 0

Gelöst

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

fast 3 Jahre vor

Frage

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...

fast 3 Jahre vor | 4 Antworten | 4

4

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Frage

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...

etwa 3 Jahre vor | 0 Antworten | 0

0

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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...

etwa 3 Jahre vor | 0

| akzeptiert

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William Thielicke

OPTOLUTION Messtechnik GmbH

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