how to delete the hole? about anylabeling

[vietanhdev]

In this case you need a tool for brush labeling.
Please check Label Studio - Brush segmentation. https://labelstud.io/playground/
AnyLabeling may support this in the future, but not very soon.

[ryouchinsa]

RectLabel is an offline image annotation tool for object detection and segmentation.
Although this is not an open source program, with RectLabel you can label pixels using the polygon brush tool and export to the COCO RLE format or the mask PNG file.

[ryouchinsa]

Improved "Create polygon using SAM" feature so that you can label pixels using the pixels option. You can label Segment Anything 1 Billion (SA-1B) like dataset by yourself.