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PIL backend update #188

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merged 2 commits into from
Jul 11, 2023
Merged

PIL backend update #188

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ff16d94
Force reading only in RGB mode
Oxid15 Jul 11, 2023
6e0d5a9
Update doc
Oxid15 Jul 11, 2023
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12 changes: 11 additions & 1 deletion cascade/utils/vision/folder_image_dataset.py
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,8 @@ def __init__(self) -> None:
def read(self, path: str) -> "PIL.Image":
try:
img = self._image.open(path)
if img.mode != "RGB":
img = img.convert('RGB')
except Exception as e:
raise IOError(f"PIL failed to read {path}") from e
return img
Expand All @@ -67,7 +69,15 @@ class FolderImageDataset(FolderDataset):
Supports opencv or pillow backends
"""

def __init__(self, root: str, backend: Literal["cv2", "PIL"], *args: Any, **kwargs: Any) -> None:
def __init__(self, root: str, backend: Literal["cv2", "PIL"] = "PIL", *args: Any, **kwargs: Any) -> None:
"""
Parameters
----------
root : str
The folder with images. Should contain image files only
backend : Literal["cv2", "PIL"], optional
What library to use to load images, by default "PIL"
"""
super().__init__(root, *args, **kwargs)

if backend == "cv2":
Expand Down