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Source code for mmcv.ops.min_area_polygons

# Copyright (c) OpenMMLab. All rights reserved.
import torch

from ..utils import ext_loader

ext_module = ext_loader.load_ext('_ext', ['min_area_polygons'])


[docs]def min_area_polygons(pointsets: torch.Tensor) -> torch.Tensor: """Find the smallest polygons that surrounds all points in the point sets. Args: pointsets (Tensor): point sets with shape (N, 18). Returns: torch.Tensor: Return the smallest polygons with shape (N, 8). """ polygons = pointsets.new_zeros((pointsets.size(0), 8)) ext_module.min_area_polygons(pointsets, polygons) return polygons
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