PolygonMaskConverter

class cocohelper.utils.segmentation.PolygonMaskConverter

Bases: MaskConverter

Method List

decode(code, **kwargs)	Creates and returns a mask from polygon in COCO format. :param code: polygon coordinates. :param **kwargs: extra parameters such as: - width and height to indicate the shape of the output mask. - value to indicate the value of the zero-valued pixels in the output mask. - dtype to indicate the type of the output mask.
encode(mask, **kwargs)	Converts segmentation mask to a list of polygons.

Attributes List

_abc_impl

Methods Details

decode(code, **kwargs)

Creates and returns a mask from polygon in COCO format. :param code: polygon coordinates. :param **kwargs: extra parameters such as:

• width and height to indicate the shape of the output mask.

• value to indicate the value of the zero-valued pixels in the output mask.

• dtype to indicate the type of the output mask.

Returns:

The polygon mask as a numpy array.

Parameters:

code (Any) –

Return type:

ndarray

encode(mask, **kwargs)

Converts segmentation mask to a list of polygons. :param mask: numpy array containing multiple segmentation masks. Each mask must :param **kwargs: extra parameters are ignored.

Returns:

List of polygons segmentation masks.

Parameters:

mask (ndarray) –

Return type:

Any

Attribute Details

_abc_impl = <_abc._abc_data object>