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Add option to use EXIF orientation from image metadata #185

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Merged
jorgenusan merged 3 commits into from
Jan 23, 2023
Merged

Add option to use EXIF orientation from image metadata #185

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0f2bbcc
add option to use exif orientation from image metadata
tracek Jan 23, 2023
daf7920
Merge branch 'Gradiant:master' into master
tracek Jan 23, 2023
0cf230d
fix code formatting
tracek Jan 23, 2023
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7 changes: 6 additions & 1 deletion pyodi/apps/paint_annotations.py
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,7 @@
from matplotlib import pyplot as plt
from matplotlib.collections import PatchCollection
from matplotlib.patches import Polygon
from PIL import Image
from PIL import Image, ImageOps


@logger.catch(reraise=True)
Expand All @@ -45,6 +45,7 @@ def paint_annotations(
show_label: bool = True,
filter_crowd: bool = True,
first_n: Optional[int] = None,
use_exif_orientation: bool = False,
) -> None:
"""Paint `ground_truth_file` or `predictions_file` annotations on `image_folder` images.

Expand All @@ -62,6 +63,8 @@ def paint_annotations(
filter_crowd: Filter out crowd annotations or not. Default True.
first_n: Paint only first n annotations and stop after that.
If None, all images will be painted.
use_exif_orientation: If an image has an EXIF Orientation tag, other than 1, return a new image that
is transposed accordingly. The new image will have the orientation data removed.
"""
Path(output_folder).mkdir(exist_ok=True, parents=True)

Expand Down Expand Up @@ -103,6 +106,8 @@ def paint_annotations(

if image_path.is_file():
image_pil = Image.open(image_path)
if use_exif_orientation:
image_pil = ImageOps.exif_transpose(image_pil)

width, height = image_pil.size
fig = plt.figure(frameon=False, figsize=(width / 96, height / 96))
Expand Down