init dataset loader script - info

nih-chest-x-ray.py

@@ -0,0 +1,78 @@
+import os
+
+import datasets
+from datasets.tasks import ImageClassification
+
+
+_HOMEPAGE = "https://nihcc.app.box.com/v/ChestXray-NIHCC"
+
+_CITATION = """\
+@ONLINE {beansdata,
+    author="Xiaosong Wang, Yifan Peng, Le Lu, Zhiyong Lu, Mohammadhadi Bagheri, Ronald Summer",
+    title="ChestX-ray8: Hospital-scale Chest X-ray Database and Benchmarks on Weakly-Supervised Classification and Localization of Common Thorax Diseases",
+    month="January",
+    year="2017",
+    url="https://nihcc.app.box.com/v/ChestXray-NIHCC"
+}
+"""
+
+_DESCRIPTION = """\
+The NIH Chest X-ray dataset consists of 100,000 de-identified images of chest x-rays. The images are in PNG format.
+
+The data is provided by the NIH Clinical Center and is available through the NIH download site: https://nihcc.app.box.com/v/ChestXray-NIHCC
+"""
+
+_URLS = [
+    'https://nihcc.box.com/shared/static/vfk49d74nhbxq3nqjg0900w5nvkorp5c.gz',
+    'https://nihcc.box.com/shared/static/i28rlmbvmfjbl8p2n3ril0pptcmcu9d1.gz',
+    'https://nihcc.box.com/shared/static/f1t00wrtdk94satdfb9olcolqx20z2jp.gz',
+    'https://nihcc.box.com/shared/static/0aowwzs5lhjrceb3qp67ahp0rd1l1etg.gz',
+    'https://nihcc.box.com/shared/static/v5e3goj22zr6h8tzualxfsqlqaygfbsn.gz',
+    'https://nihcc.box.com/shared/static/asi7ikud9jwnkrnkj99jnpfkjdes7l6l.gz',
+    'https://nihcc.box.com/shared/static/jn1b4mw4n6lnh74ovmcjb8y48h8xj07n.gz',
+    'https://nihcc.box.com/shared/static/tvpxmn7qyrgl0w8wfh9kqfjskv6nmm1j.gz',
+    'https://nihcc.box.com/shared/static/upyy3ml7qdumlgk2rfcvlb9k6gvqq2pj.gz',
+    'https://nihcc.box.com/shared/static/l6nilvfa9cg3s28tqv1qc1olm3gnz54p.gz',
+    'https://nihcc.box.com/shared/static/hhq8fkdgvcari67vfhs7ppg2w6ni4jze.gz',
+    'https://nihcc.box.com/shared/static/ioqwiy20ihqwyr8pf4c24eazhh281pbu.gz'
+]
+
+LABEL2IDX = {'No Finding': 0,
+	     'Atelactasis': 1,
+	     'Cardiomegaly': 2,
+	     'Effusion': 3,
+	     'Infiltration': 4,
+	     'Mass': 5,
+	     'Nodule': 6,
+	     'Pneumonia': 7,
+	     'Pneumothorax': 8,
+  	     'Consolidation': 9,
+	     'Edema': 10,
+	     'Emphysema': 11,
+	     'Fibrosis': 12,
+	     'Pleural_Thickening': 13,
+	     'Hernia': 14}
+
+class XChest(datasets.GeneratorBasedBuilder):
+	"""NIH Image Chest X-ray dataset."""
+
+	def _info(self):
+		return datasets.DatasetInfo(
+		    description=_DESCRIPTION,
+		    features=datasets.Features(
+			{
+			"image_file_path": datasets.Value("string"),
+			"image": datasets.Image(),
+			"labels": datasets.features.ClassLabel(names=_NAMES),
+			}
+		    ),
+		    supervised_keys=("image", "labels"),
+		    homepage=_HOMEPAGE,
+		    citation=_CITATION,
+		    task_templates=[ImageClassification(image_column="image",
+							label_column="labels")],
+		)
+			
+
+
+