| # LabOS segmentation label counts |
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| Post-merge counts after merging `labos-seg-extension.zip` with identity label mapping across all 18 classes. |
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| ## Dataset totals |
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| | Dataset | Images | Annotations | Categories | |
| |---|---:|---:|---:| |
| | All | 314 | 3671 | 18 | |
| | Train | 251 | 2989 | 18 | |
| | Validation | 63 | 682 | 18 | |
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| ## Counts by class |
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| | ID | Class name | Train | Validation | Total | |
| |---:|---|---:|---:|---:| |
| | 1 | Vortex Genie 2 | 83 | 25 | 108 | |
| | 2 | Vortex Genie Hole | 60 | 17 | 77 | |
| | 3 | Vortex Genie Top Plate | 67 | 17 | 84 | |
| | 4 | 50ml eppendorf tube | 235 | 85 | 320 | |
| | 5 | 50Ml eppendorf cap | 47 | 3 | 50 | |
| | 6 | 50Ml 4 way rack | 85 | 35 | 120 | |
| | 7 | 4 way rack 50ml hole | 575 | 292 | 867 | |
| | 8 | 4 way rack 5ml hole | 0 | 0 | 0 | |
| | 9 | rack 50mL hole | 0 | 0 | 0 | |
| | 10 | 50mL rack | 0 | 0 | 0 | |
| | 11 | 14ml round bottom tube top | 172 | 7 | 179 | |
| | 12 | 14ml rack hole | 1263 | 59 | 1322 | |
| | 13 | 14ml rack | 33 | 2 | 35 | |
| | 14 | 50Ml eppendorf cap top | 40 | 3 | 43 | |
| | 15 | 50Ml eppendorf orange cap top | 106 | 37 | 143 | |
| | 16 | 50Ml eppendorf blue cap top | 39 | 25 | 64 | |
| | 17 | 50Ml eppendorf orange cap | 135 | 44 | 179 | |
| | 18 | 50Ml eppendorf blue cap | 49 | 31 | 80 | |
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| ## Merge notes |
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| - Extension image files were flattened into `images/286.png` through `images/314.png`. |
| - Extension label files were generated as `labels/286.txt` through `labels/314.txt`. |
| - 23 extension images were added to train and 6 to validation. |
| - `labels.cache` was moved to `labels.cache.pre_extension_merge` so Ultralytics can rebuild the cache from the merged labels. |
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