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The dataset generation failed
Error code:   DatasetGenerationError
Exception:    TypeError
Message:      int() argument must be a string, a bytes-like object or a real number, not 'NoneType'
Traceback:    Traceback (most recent call last):
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1539, in _prepare_split_single
                  for key, record in generator:
                                     ^^^^^^^^^
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 621, in wrapped
                  for item in generator(*args, **kwargs):
                              ~~~~~~~~~^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/webdataset/webdataset.py", line 131, in _generate_examples
                  for example_idx, example in enumerate(self._get_pipeline_from_tar(tar_path, tar_iterator)):
                                              ~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/webdataset/webdataset.py", line 32, in _get_pipeline_from_tar
                  for filename, f in tar_iterator:
                                     ^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/utils/track.py", line 49, in __iter__
                  for x in self.generator(*self.args):
                           ~~~~~~~~~~~~~~^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/utils/file_utils.py", line 1419, in _iter_from_urlpath
                  with xopen(urlpath, "rb", download_config=download_config, block_size=0) as f:
                       ~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/utils/file_utils.py", line 976, in xopen
                  file_obj = fs.open(paths[0], mode)
                File "<string>", line 3, in open
                File "/usr/local/lib/python3.14/unittest/mock.py", line 1176, in __call__
                  return self._mock_call(*args, **kwargs)
                         ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/unittest/mock.py", line 1180, in _mock_call
                  return self._execute_mock_call(*args, **kwargs)
                         ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/unittest/mock.py", line 1247, in _execute_mock_call
                  result = effect(*args, **kwargs)
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 794, in wrapped
                  tracker.files[urlpath] = {"read": 0, "size": int(f.size)}
                                                               ~~~^^^^^^^^
              TypeError: int() argument must be a string, a bytes-like object or a real number, not 'NoneType'
              
              The above exception was the direct cause of the following exception:
              
              Traceback (most recent call last):
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1379, in compute_config_parquet_and_info_response
                  parquet_operations, partial, estimated_dataset_info = stream_convert_to_parquet(
                                                                        ~~~~~~~~~~~~~~~~~~~~~~~~~^
                      builder, max_dataset_size_bytes=max_dataset_size_bytes
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  )
                  ^
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 956, in stream_convert_to_parquet
                  builder._prepare_split(split_generator=splits_generators[split], file_format="parquet")
                  ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1401, in _prepare_split
                  for job_id, done, content in self._prepare_split_single(
                                               ~~~~~~~~~~~~~~~~~~~~~~~~~~^
                      gen_kwargs=gen_kwargs, job_id=job_id, **_prepare_split_args
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  ):
                  ^
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1579, in _prepare_split_single
                  raise DatasetGenerationError("An error occurred while generating the dataset") from e
              datasets.exceptions.DatasetGenerationError: An error occurred while generating the dataset

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jpg
image
__key__
string
__url__
string
images/dacl10k_v2_train_0004
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0006
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0010
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0011
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0014
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0017
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0018
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0020
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0021
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0022
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0029
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images/dacl10k_v2_train_0031
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0032
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images/dacl10k_v2_train_0037
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images/dacl10k_v2_train_0039
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0042
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0045
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0047
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0050
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0052
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0055
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0056
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0059
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0061
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0062
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images/dacl10k_v2_train_0063
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images/dacl10k_v2_train_0065
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images/dacl10k_v2_train_0067
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images/dacl10k_v2_train_0068
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images/dacl10k_v2_train_0070
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images/dacl10k_v2_train_0075
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0078
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images/dacl10k_v2_train_0079
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images/dacl10k_v2_train_0081
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images/dacl10k_v2_train_0085
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images/dacl10k_v2_train_0087
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images/dacl10k_v2_train_0097
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images/dacl10k_v2_train_0098
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images/dacl10k_v2_train_0105
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images/dacl10k_v2_train_0110
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images/dacl10k_v2_train_0112
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images/dacl10k_v2_train_0115
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images/dacl10k_v2_train_0117
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images/dacl10k_v2_train_0118
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images/dacl10k_v2_train_0120
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images/dacl10k_v2_train_0122
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images/dacl10k_v2_train_0123
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images/dacl10k_v2_train_0124
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images/dacl10k_v2_train_0126
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images/dacl10k_v2_train_0127
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images/dacl10k_v2_train_0129
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images/dacl10k_v2_train_0134
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images/dacl10k_v2_train_0135
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images/dacl10k_v2_train_0142
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images/dacl10k_v2_train_0147
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images/dacl10k_v2_train_0149
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images/dacl10k_v2_train_0152
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images/dacl10k_v2_train_0160
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images/dacl10k_v2_train_0162
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images/dacl10k_v2_train_0165
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images/dacl10k_v2_train_0166
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0167
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0170
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0172
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0173
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0175
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0176
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0184
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0190
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0191
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0195
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0196
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0197
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0202
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
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images/dacl10k_v2_train_0209
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images/dacl10k_v2_train_0217
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images/dacl10k_v2_train_0223
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0224
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0225
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images/dacl10k_v2_train_0226
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images/dacl10k_v2_train_0228
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images/dacl10k_v2_train_0229
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images/dacl10k_v2_train_0233
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images/dacl10k_v2_train_0237
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images/dacl10k_v2_train_0239
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images/dacl10k_v2_train_0242
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0245
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0251
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0253
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0254
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0259
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0260
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0261
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0262
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0264
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
images/dacl10k_v2_train_0266
hf://datasets/kim1034/dacl10k-component-context@06eb8a6e81ba432fd36edcc923d943879816ffd7/images/fold0.tar
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dacl10k-component-context

dacl10k v2의 정답 공개분(train 6,935장 + validation 975장 = 7,910장)을 대상으로, LabelMe 폴리곤을 채워 만든 다중 라벨 정답 마스크와 3-fold 분할(fold별 체크포인트 선택용 내부 검증 세트 포함)입니다. "교량 손상 인식에서 부재 맥락은 언제 유효한가" 연구(CNU-NUR KIRI)의 공통 데이터로 만들었습니다.

⚠️ 비상업적 사용만 가능합니다 (CC BY-NC 4.0). 원본 dacl10k의 라이선스를 그대로 따릅니다.

파일

파일 내용
classes.json 클래스 19개의 순서(index 0~18), 이름, 종류
split_3fold.json 사진별 fold(0~2)·원래 split, fold별 inner_val 목록
split3_report.md 분할 검증 보고서 (fold별 클래스 포함 비율 등)
masks/fold{0,1,2}.tar fold별 정답 마스크 (masks/<image>.npz), 압축 없는 tar
images/fold{0,1,2}.tar fold별 원본 사진 (images/<image>.jpg), 압축 없는 tar
load_example.py fold 목록 만들기 + 사진·마스크 1장 읽기 예시
scripts/ 재현 스크립트 (make_common.py: 마스크 생성, make_split3.py: 분할)
checksums.sha256 tar·json 파일의 sha256

fold별 사진 수: fold 0 = 2,629, fold 1 = 2,653, fold 2 = 2,628

파일 크기
classes.json 0.0 MB
split_3fold.json 0.7 MB
masks/fold0.tar 229.4 MB
masks/fold1.tar 237.0 MB
masks/fold2.tar 237.7 MB
images/fold0.tar 1,484.1 MB
images/fold1.tar 1,550.3 MB
images/fold2.tar 1,580.2 MB

클래스 (다중 라벨)

한 픽셀이 여러 클래스일 수 있습니다 (예: 받침 위의 녹 = Bearing과 Rust 둘 다 True). 손상끼리, 부재끼리도 겹칠 수 있습니다. 원본 README는 WConccor를 6번째 부재(object)로 분류하지만, 이 저장소에서는 손상으로 취급합니다.

index 이름 종류
0 Crack damage (손상)
1 ACrack damage (손상)
2 Wetspot damage (손상)
3 Efflorescence damage (손상)
4 Rust damage (손상)
5 Rockpocket damage (손상)
6 Hollowareas damage (손상)
7 Cavity damage (손상)
8 Spalling damage (손상)
9 Graffiti damage (손상)
10 Weathering damage (손상)
11 Restformwork damage (손상)
12 ExposedRebars damage (손상)
13 WConccor damage (손상)
14 Bearing component (부재)
15 EJoint component (부재)
16 Drainage component (부재)
17 PEquipment component (부재)
18 JTape component (부재)

마스크 형식

  • np.load(f)["mask"] → 모양 (19, H, W), dtype bool, 원본 해상도 (사진과 같은 H, W), 채널 순서 = classes.json
  • np.savez_compressed로 저장한 .npz
  • 만든 방법: 각 폴리곤 좌표를 반올림해 cv2.fillPoly로 채우고, 같은 클래스는 합집합(OR). 이미지 밖으로 나간 폴리곤은 잘림

분할 사용법

  • 시험 fold k = 나머지 두 fold로 학습합니다. 학습 사진 = (fold ≠ k) − inner_val[k]
  • 체크포인트(조기 종료·하이퍼파라미터)는 inner_val[k]로만 고릅니다. inner_val[k]는 학습 풀(fold ≠ k)의 10%입니다
  • 시험 fold k 사진은 학습에도, 선택에도 쓰지 마세요. 시험 fold에는 최종 평가만 합니다
  • 층화: 19개 클래스 각각의 포함 여부(19차원)로 iterative stratification (iterstrat MultilabelStratifiedKFold, seed 42). inner_val도 같은 기준(MultilabelStratifiedShuffleSplit, seed 42)
  • 교량 ID 정보가 없어 사진 단위 분할입니다. 같은 교량의 비슷한 사진이 다른 fold에 들어갈 수 있습니다(누수 가능성)
  • fold마다 학습 풀이 겹치므로 inner_val 목록끼리도 일부 겹칩니다(정상)
# tar 를 모두 저장소 루트에서 풀면 masks/, images/ 폴더가 생김
for f in masks/*.tar images/*.tar; do tar -xf "$f"; done
python load_example.py 0

출처, 라이선스, 변경 내역

  • 원본: dacl10k v2 (Flotzinger, Rösch & Braml, WACV 2024) — https://github.com/phiyodr/dacl10k-toolkit
  • 라이선스: CC BY-NC 4.0 (원본과 동일). 비상업적 사용만 가능, 사용 시 원 저자를 인용해야 합니다
  • 변경 내역: ① 원본 LabelMe 폴리곤 → 19채널 다중 라벨 bool 마스크로 변환 ② 3-fold 분할 + fold별 inner_val 추가 ③ 원본 사진(train+validation)은 수정 없이 fold별 tar로 묶음만 변경
  • testdev 1,012장(정답 비공개)은 포함하지 않습니다
@misc{flotzinger2023dacl10k,
  author={Johannes Flotzinger and Philipp J. Rösch and Thomas Braml},
  title={dacl10k: Benchmark for Semantic Bridge Damage Segmentation},
  year={2023},
  eprint={https://arxiv.org/abs/2309.00460},
  archivePrefix={arXiv},
  primaryClass={cs.CV}
}

재현

  1. 원본 dacl10k_v2_devphase를 내려받습니다 (위 toolkit 안내)
  2. python scripts/make_common.py <dacl10k_v2_devphase> → common/gt_masks/*.npz 생성 (그 밖의 출력물은 이 저장소에서 쓰지 않음)
  3. python scripts/make_split3.py --common <common> --data <dacl10k_v2_devphase> → split_3fold.json, split3_report.md
  4. 필요 패키지: numpy, opencv-python-headless, iterative-stratification
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