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---
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description: Explore Ultralytics data converter functions like coco91_to_coco80_class, merge_multi_segment, rle2polygon for efficient data handling.
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keywords: Ultralytics, Data Converter, coco91_to_coco80_class, merge_multi_segment, rle2polygon
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---
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# Reference for `ultralytics/data/converter.py`
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!!! note
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This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/data/converter.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/data/converter.py). If you spot a problem please help fix it by [contributing](https://docs.ultralytics.com/help/contributing/) a [Pull Request](https://github.com/ultralytics/ultralytics/edit/main/ultralytics/data/converter.py) 🛠️. Thank you 🙏!
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---
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## ::: ultralytics.data.converter.coco91_to_coco80_class
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<br><br>
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---
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## ::: ultralytics.data.converter.coco80_to_coco91_class
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<br><br>
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---
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## ::: ultralytics.data.converter.convert_coco
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<br><br>
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---
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## ::: ultralytics.data.converter.convert_dota_to_yolo_obb
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<br><br>
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---
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## ::: ultralytics.data.converter.min_index
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<br><br>
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---
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## ::: ultralytics.data.converter.merge_multi_segment
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<br><br>
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