Update README.md

README.md

@@ -133,4 +133,11 @@ stack = cropper.load_stack_from_dicom_folder(dicom_folder,
 
 # can input raw Hounsfield units into cropper
 cropped_stack = cropper.crop(stack, mode="3d", device=device, raw_hu=True)
+```
+
+By default, the cropper will not remove slices in a stack, even if they are predicted to be empty.
+You can enable this by specifying `remove_empty_slices=True`, which will also return
+the indices in the original input of the removed empty slices.
+```
+cropped_stack, empty_slice_indices = cropper.crop(stack, mode="3d", remove_empty_slices=True)
 ```