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Tracker Phase 2 upgrade, IIHE(ULB/VUB) Metrology Working Group

* Development of an automated metrology setup that can:
- measure the sensor mask to edge distance for single sensors.
- measure the corner to corner distance between upper and lower sensors.
- help with general purpose metrology

Meeting slot: (tentatively) Tuesday 13:00.

Given that there is a large overlap between software developments for Pattern Recognition WG and the Metrology WG, collaboration is expected. The Twiki for the Pattern Recognition WG can be found here:

Meeting room:


Assigned to Due date Description State Closed Notify  
EmilSorensenBols, AnnemieMorel   Track the delivery of the ordered equipment     edit
EmilSorensenBols, AnnemieMorel   Setup the equipment     edit
EmilSorensenBols, AnnemieMorel   Build a holder for the camera and lens     edit
EmilSorensenBols, AlexanderMorton   Optimization of the base edge detection algorithm     edit
Main.?   Make line filtering algorithm more robust for more use cases     edit
Main.?   Make the function that calculates distances between edges more flexible     edit
Main.?   Add pattern recognition algorithm to detect alignment marks     edit
Main.?   Optimize algorithm that stops the z-stage when corner is in focus     edit
Main.?   Add corner detection algorithm     edit
Main.?   Integrate the measurement outputs with the database framework     edit


We are using this github repository to coordinate our software developments:

Our test images and videos can be found in this CERNBOX directory.


Group convener: Emil (

-- EmilSorensenBols - 2020-04-29

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Topic revision: r2 - 2020-04-29 - EmilSorensenBols
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