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Image Analysis
Loading OpenCV…
Click or drag · upload session photo
JPEG · PNG · WEBP
Click to place points · Double-click or click first point to close
Upload photo · Draw zones · Run analysis
Session Photo
No photo loaded
Zones 0
Draw polygon zones
on the photo above
Scan Mode
What are you detecting?
Detection Settings
Sensitivity50
Lower = more features detected
Feature Width~13px
Max width of features to detect
Min Size40px²
Minimum feature size (noise filter)
Match Radius5px
Comparison matching tolerance
! Estimation only.
Feature counts are approximate. For visualisation and relative tracking only, not precise measurement. Results vary with lighting, camera angle, distance, and subject conditions. Capture under identical conditions each session.
① Upload photo
② Draw zones (saved in template)
③ Adjust alignment to zones
④ Run Analysis → ⑤ Save
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