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fixes draw methods for grayscale images #807

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fixes draw methods for grayscale images #807

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3c961b7
fixes draw methods for grayscale images
lgvaz Apr 19, 2021
26121c3
draw_bboxes converts img to RGB
lgvaz Apr 19, 2021
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6 changes: 3 additions & 3 deletions icevision/visualize/draw_data.py
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Original file line number Diff line number Diff line change
Expand Up @@ -368,7 +368,7 @@ def draw_bbox(
# Calculate image dimensions
dims = sorted(img.shape, reverse=True)
color = as_rgb_tuple(color)
img = PIL.Image.fromarray(img)
img = PIL.Image.fromarray(img.squeeze()).convert("RGB")
draw = PIL.ImageDraw.Draw(img)

# corner thickness is linearly correlated with the smaller image dimension.
Expand Down Expand Up @@ -482,7 +482,7 @@ def draw_mask(
raise ValueError(
f"`border_thickness` must be an odd number. You entered {border_thickness}"
)
img = PIL.Image.fromarray(img)
img = PIL.Image.fromarray(img.squeeze())
w, h = img.size

mask_idxs = np.where(mask.data)
Expand Down Expand Up @@ -520,7 +520,7 @@ def draw_keypoints(
# calculate scaling for points and connections
img_h, img_w, _ = img.shape
img_area = img_h * img_w
img = PIL.Image.fromarray(img)
img = PIL.Image.fromarray(img.squeeze())
draw = PIL.ImageDraw.Draw(img)
dynamic_size = int(0.01867599 * (img_area ** 0.4422045))
dynamic_size = max(dynamic_size, 1)
Expand Down