---
description: Explore Ultralytics methods for mask data processing, transformation and encoding. Deepen your understanding of RLE encoding, image cropping and more.
keywords: Ultralytics, Mask Data, Transformation, Encoding, RLE encoding, Image cropping, Pytorch, SAM, AMG, Ultralytics model
---
# Reference for `ultralytics/models/sam/amg.py`
!!! note
Full source code for this file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/amg.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/amg.py). Help us fix any issues you see by submitting a [Pull Request](/help/contributing/) 🛠️. Thank you 🙏!
---
## ::: ultralytics.models.sam.amg.MaskData
---
## ::: ultralytics.models.sam.amg.is_box_near_crop_edge
---
## ::: ultralytics.models.sam.amg.box_xyxy_to_xywh
---
## ::: ultralytics.models.sam.amg.batch_iterator
---
## ::: ultralytics.models.sam.amg.mask_to_rle_pytorch
---
## ::: ultralytics.models.sam.amg.rle_to_mask
---
## ::: ultralytics.models.sam.amg.area_from_rle
---
## ::: ultralytics.models.sam.amg.calculate_stability_score
---
## ::: ultralytics.models.sam.amg.build_point_grid
---
## ::: ultralytics.models.sam.amg.build_all_layer_point_grids
---
## ::: ultralytics.models.sam.amg.generate_crop_boxes
---
## ::: ultralytics.models.sam.amg.uncrop_boxes_xyxy
---
## ::: ultralytics.models.sam.amg.uncrop_points
---
## ::: ultralytics.models.sam.amg.uncrop_masks
---
## ::: ultralytics.models.sam.amg.remove_small_regions
---
## ::: ultralytics.models.sam.amg.coco_encode_rle
---
## ::: ultralytics.models.sam.amg.batched_mask_to_box