---
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
---
:::ultralytics.yolo.data.converter.coco91_to_coco80_class
<br><br>

# convert_coco
---
:::ultralytics.yolo.data.converter.convert_coco
<br><br>

# rle2polygon
---
:::ultralytics.yolo.data.converter.rle2polygon
<br><br>

# min_index
---
:::ultralytics.yolo.data.converter.min_index
<br><br>

# merge_multi_segment
---
:::ultralytics.yolo.data.converter.merge_multi_segment
<br><br>

# delete_dsstore
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:::ultralytics.yolo.data.converter.delete_dsstore
<br><br>