iterator adjustments

ark_example.py

@@ -155,11 +155,11 @@ class ArkExample(datasets.GeneratorBasedBuilder):
                 
                 image_data = tifffile.imread(fp, key=0)
                 if self.config.name == "base_dataset":
-                    yield fp.parent.absolute(), {
+                    yield fp.stem(), {
                         "chan": image_data,
                         "path": fp
                     }
-        
+
         # with open(filepath, encoding="utf-8") as f:
         #     for key, row in enumerate(f):
         #         data = json.loads(row)