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description: Convert COCO-91 to COCO-80 class, RLE to polygon, and merge multi-segment images with Ultralytics YOLO data converter. Improve your object detection.
---
# coco91_to_coco80_class
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:::ultralytics.yolo.data.converter.coco91_to_coco80_class
# convert_coco
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:::ultralytics.yolo.data.converter.convert_coco
# rle2polygon
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:::ultralytics.yolo.data.converter.rle2polygon
# min_index
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:::ultralytics.yolo.data.converter.min_index
# merge_multi_segment
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:::ultralytics.yolo.data.converter.merge_multi_segment
# delete_dsstore
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:::ultralytics.yolo.data.converter.delete_dsstore