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Merge 42a3cc2335 into 3dcbb20cac

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Robert Sachunsky 2025-06-12 23:21:33 +00:00 • committed by GitHub
commit 64c082b39f
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2 changed files with 9 additions and 12 deletions
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11
src/eynollah/ocrd_cli_binarization.py
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@ -10,16 +10,7 @@ from ocrd_models.ocrd_page import OcrdPage, AlternativeImageType
from ocrd.decorators import ocrd_cli_options, ocrd_cli_wrap_processor
from .sbb_binarize import SbbBinarizer
def cv2pil(img):
return Image.fromarray(img.astype('uint8'))
def pil2cv(img):
# from ocrd/workspace.py
color_conversion = cv2.COLOR_GRAY2BGR if img.mode in ('1', 'L') else cv2.COLOR_RGB2BGR
pil_as_np_array = np.array(img).astype('uint8') if img.mode == '1' else np.array(img)
return cv2.cvtColor(pil_as_np_array, color_conversion)
from .utils.pil_cv2 import cv2pil, pil2cv
class SbbBinarizeProcessor(Processor):
# already employs GPU (without singleton process atm)

10
src/eynollah/utils/pil_cv2.py
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@ -7,12 +7,18 @@ from cv2 import COLOR_GRAY2BGR, COLOR_RGB2BGR, COLOR_BGR2RGB, cvtColor, imread
# from sbb_binarization
def cv2pil(img):
return Image.fromarray(np.array(cvtColor(img, COLOR_BGR2RGB)))
# reduce depth because cvtColor is limited
return Image.fromarray(np.array(cvtColor(img.astype(np.uint8), COLOR_BGR2RGB)))
def pil2cv(img):
# from ocrd/workspace.py
color_conversion = COLOR_GRAY2BGR if img.mode in ('1', 'L') else COLOR_RGB2BGR
color_conversion = COLOR_GRAY2BGR if img.mode in ('1', 'L', 'LA') else COLOR_RGB2BGR
pil_as_np_array = np.array(img).astype('uint8') if img.mode == '1' else np.array(img)
# cvtColor cannot handle alpha
if pil_as_np_array.shape[-1] == 2:
pil_as_np_array = pil_as_np_array[:,:,0]
elif pil_as_np_array.shape[-1] == 4:
pil_as_np_array = pil_as_np_array[:,:,:3]
return cvtColor(pil_as_np_array, color_conversion)
def check_dpi(img):