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---
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description: Learn about various utility functions in Ultralytics YOLO, including x, y, width, height conversions, non-max suppression, and more.
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keywords: Ultralytics, YOLO, Utils Ops, Functions, coco80_to_coco91_class, scale_boxes, non_max_suppression, clip_coords, xyxy2xywh, xywhn2xyxy, xyn2xy, xyxy2ltwh, ltwh2xyxy, resample_segments, process_mask_upsample, process_mask_native, masks2segments, clean_str
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---
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## Profile
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---
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### ::: ultralytics.yolo.utils.ops.Profile
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<br><br>
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## coco80_to_coco91_class
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---
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### ::: ultralytics.yolo.utils.ops.coco80_to_coco91_class
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<br><br>
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## segment2box
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---
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### ::: ultralytics.yolo.utils.ops.segment2box
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<br><br>
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## scale_boxes
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---
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### ::: ultralytics.yolo.utils.ops.scale_boxes
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<br><br>
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## make_divisible
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---
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### ::: ultralytics.yolo.utils.ops.make_divisible
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<br><br>
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## non_max_suppression
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---
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### ::: ultralytics.yolo.utils.ops.non_max_suppression
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<br><br>
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## clip_boxes
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---
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### ::: ultralytics.yolo.utils.ops.clip_boxes
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<br><br>
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## clip_coords
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---
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### ::: ultralytics.yolo.utils.ops.clip_coords
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<br><br>
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## scale_image
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---
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### ::: ultralytics.yolo.utils.ops.scale_image
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## xyxy2xywh
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---
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### ::: ultralytics.yolo.utils.ops.xyxy2xywh
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<br><br>
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## xywh2xyxy
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---
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### ::: ultralytics.yolo.utils.ops.xywh2xyxy
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<br><br>
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## xywhn2xyxy
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---
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### ::: ultralytics.yolo.utils.ops.xywhn2xyxy
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<br><br>
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## xyxy2xywhn
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---
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### ::: ultralytics.yolo.utils.ops.xyxy2xywhn
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<br><br>
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## xyn2xy
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---
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### ::: ultralytics.yolo.utils.ops.xyn2xy
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<br><br>
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## xywh2ltwh
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---
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### ::: ultralytics.yolo.utils.ops.xywh2ltwh
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<br><br>
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## xyxy2ltwh
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---
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### ::: ultralytics.yolo.utils.ops.xyxy2ltwh
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<br><br>
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## ltwh2xywh
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---
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### ::: ultralytics.yolo.utils.ops.ltwh2xywh
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<br><br>
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## ltwh2xyxy
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---
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### ::: ultralytics.yolo.utils.ops.ltwh2xyxy
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<br><br>
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## segments2boxes
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---
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### ::: ultralytics.yolo.utils.ops.segments2boxes
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<br><br>
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## resample_segments
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---
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### ::: ultralytics.yolo.utils.ops.resample_segments
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<br><br>
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## crop_mask
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---
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### ::: ultralytics.yolo.utils.ops.crop_mask
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<br><br>
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## process_mask_upsample
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---
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### ::: ultralytics.yolo.utils.ops.process_mask_upsample
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<br><br>
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## process_mask
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---
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### ::: ultralytics.yolo.utils.ops.process_mask
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<br><br>
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## process_mask_native
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---
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### ::: ultralytics.yolo.utils.ops.process_mask_native
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<br><br>
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## scale_masks
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---
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### ::: ultralytics.yolo.utils.ops.scale_masks
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<br><br>
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## scale_coords
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---
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### ::: ultralytics.yolo.utils.ops.scale_coords
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<br><br>
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## masks2segments
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---
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### ::: ultralytics.yolo.utils.ops.masks2segments
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<br><br>
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## clean_str
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---
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### ::: ultralytics.yolo.utils.ops.clean_str
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<br><br>
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