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Activity #3751
closedModule #3538: Development
Feature #3542: Ceph Image Viewer
Image Calibration Workflow: Ruler-Based Scaling and Persistent Calibration Factor Management
Start date:
06/11/2025
Due date:
06/13/2025
% Done:
100%
Estimated time:
Planned Due Date:
Description
1. Allow selection of two ruler points on image (for calibration)
2. Calculate mm/pixel ratio from ruler point distance
3. Store the calibration data in table
4. Show “Calibrate” or “Re-Calibrate” button with confirmation prompt
5. Display calculated calibration factor on the image (nearby or in overlay corner)
6. Write API to save & fetch calibration data from DB
7. On image load, check if calibration exists and apply calibration ratio
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