You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
42 lines
1.7 KiB
Python
42 lines
1.7 KiB
Python
# Copyright (C) 2019-2022 Intel Corporation
|
|
#
|
|
# SPDX-License-Identifier: MIT
|
|
|
|
from tempfile import TemporaryDirectory
|
|
|
|
from datumaro.components.dataset import Dataset
|
|
from pyunpack import Archive
|
|
|
|
from cvat.apps.dataset_manager.bindings import (GetCVATDataExtractor,
|
|
import_dm_annotations)
|
|
from cvat.apps.dataset_manager.util import make_zip_archive
|
|
|
|
from .transformations import MaskToPolygonTransformation, RotatedBoxesToPolygons
|
|
from .registry import dm_env, exporter, importer
|
|
from .utils import make_colormap
|
|
|
|
@exporter(name='Segmentation mask', ext='ZIP', version='1.1')
|
|
def _export(dst_file, instance_data, save_images=False):
|
|
dataset = Dataset.from_extractors(GetCVATDataExtractor(
|
|
instance_data, include_images=save_images), env=dm_env)
|
|
dataset.transform(RotatedBoxesToPolygons)
|
|
dataset.transform('polygons_to_masks')
|
|
dataset.transform('boxes_to_masks')
|
|
dataset.transform('merge_instance_segments')
|
|
with TemporaryDirectory() as temp_dir:
|
|
dataset.export(temp_dir, 'voc_segmentation', save_images=save_images,
|
|
apply_colormap=True, label_map=make_colormap(instance_data))
|
|
|
|
make_zip_archive(temp_dir, dst_file)
|
|
|
|
@importer(name='Segmentation mask', ext='ZIP', version='1.1')
|
|
def _import(src_file, instance_data, load_data_callback=None, **kwargs):
|
|
with TemporaryDirectory() as tmp_dir:
|
|
Archive(src_file.name).extractall(tmp_dir)
|
|
|
|
dataset = Dataset.import_from(tmp_dir, 'voc', env=dm_env)
|
|
dataset = MaskToPolygonTransformation.convert_dataset(dataset, **kwargs)
|
|
if load_data_callback is not None:
|
|
load_data_callback(dataset, instance_data)
|
|
import_dm_annotations(dataset, instance_data)
|