def test_eval_files_with_different_sources(self):
run_predict(
predict_args(data=FileDataParams(
pred_extension=".ext-pred.txt",
images=sorted(
glob_all([
os.path.join(this_dir, "data", "uw3_50lines", "test",
"*.png")
])),
)))
r = run_eval(
eval_args(
gt_data=FileDataParams(texts=sorted(
glob_all([
os.path.join(this_dir, "data", "uw3_50lines", "test",
"*.gt.txt")
]))),
pred_data=FileDataParams(texts=sorted(
glob_all([
os.path.join(
this_dir,
"data",
"uw3_50lines",
"test",
"*.ext-pred.txt",
)
]))),
))
self.assertLess(r["avg_ler"],
0.0009,
msg="Current best model yields about 0.09% CER")
def test_eval_list_files(self):
run_predict(
predict_args(data=FileDataParams(images=sorted(
glob_all([
os.path.join(this_dir, "data", "uw3_50lines", "test.files")
])))))
r = run_eval(
eval_args(gt_data=FileDataParams(texts=sorted(
glob_all([
os.path.join(this_dir, "data", "uw3_50lines",
"test.gt.files")
])))))
self.assertLess(r["avg_ler"],
0.0009,
msg="Current best model yields about 0.09% CER")
def uw3_trainer_params(with_validation=False,
with_split=False,
preload=True,
debug=False):
p = CalamariTestScenario.default_trainer_params()
p.scenario.debug_graph_construction = debug
p.force_eager = debug
train = FileDataParams(
images=glob_all(
[os.path.join(this_dir, "data", "uw3_50lines", "train", "*.png")]),
preload=preload,
)
if with_split:
p.gen = CalamariSplitTrainerPipelineParams(validation_split_ratio=0.2,
train=train)
elif with_validation:
p.gen.val.images = glob_all(
[os.path.join(this_dir, "data", "uw3_50lines", "test", "*.png")])
p.gen.val.preload = preload
p.gen.train = train
p.gen.__post_init__()
else:
p.gen = CalamariTrainOnlyPipelineParams(train=train)
p.gen.setup.val.batch_size = 1
p.gen.setup.val.num_processes = 1
p.gen.setup.train.batch_size = 1
p.gen.setup.train.num_processes = 1
post_init(p)
return p
def test_prediction_files_with_different_extension(self):
run_predict(
predict_args(data=FileDataParams(
pred_extension='.ext-pred.txt',
images=sorted(
glob_all([
os.path.join(this_dir, "data", "uw3_50lines", "test",
"*.png")
])))))
run_eval(
eval_args(gt_data=FileDataParams(
pred_extension='.ext-pred.txt',
texts=sorted(
glob_all([
os.path.join(this_dir, "data", "uw3_50lines", "test",
"*.gt.txt")
])))))
def setup_trainer_params(preload=True, debug=False):
p = CalamariTestEnsembleScenario.default_trainer_params()
p.force_eager = debug
p.gen.train = FileDataParams(
images=glob_all([os.path.join(this_dir, "data", "uw3_50lines", "train", "*.png")]),
preload=preload,
)
post_init(p)
return p
def test_prediction_files(self):
run_predict(
predict_args(data=FileDataParams(images=sorted(
glob_all([
os.path.join(this_dir, "data", "uw3_50lines", "test",
"*.png")
])))))
run_eval(
eval_args(gt_data=FileDataParams(texts=sorted(
glob_all([
os.path.join(this_dir, "data", "uw3_50lines", "test",
"*.gt.txt")
])))))
args = eval_args(gt_data=FileDataParams(texts=sorted(
glob_all([
os.path.join(this_dir, "data", "uw3_50lines", "test",
"*.gt.txt")
]))))
with tempfile.TemporaryDirectory() as d:
args.xlsx_output = os.path.join(d, 'output.xlsx')
run_eval(args)
def test_eval_files(self):
run_predict(
predict_args(data=FileDataParams(images=sorted(
glob_all([
os.path.join(this_dir, "data", "uw3_50lines", "test",
"*.png")
])))))
r = run_eval(
eval_args(gt_data=FileDataParams(texts=sorted(
glob_all([
os.path.join(this_dir, "data", "uw3_50lines", "test",
"*.gt.txt")
])))))
self.assertLess(r["avg_ler"],
0.0009,
msg="Current best model yields about 0.09% CER")
args = eval_args(gt_data=FileDataParams(texts=sorted(
glob_all([
os.path.join(this_dir, "data", "uw3_50lines", "test",
"*.gt.txt")
]))))
with tempfile.TemporaryDirectory() as d:
args.xlsx_output = os.path.join(d, "output.xlsx")
run_eval(args)
if not data.dtype == np.uint8:
raise TypeError("Data for hdf5 must have type np.uint8")
self.data.append(data)
self.text.append(text)
if len(self.data) >= self.n_max:
self.finish_chunck()
if __name__ == "__main__":
from calamari_ocr.ocr.dataset.datareader.file import (
FileDataParams, )
dg = FileDataParams(
images="calamari_ocr/test/data/uw3_50lines/train/*.png").create(
PipelineMode.TRAINING)
with Hdf5DatasetWriter("calamari_ocr/test/data/uw3_50lines/uw3-50lines.h5",
n_max=1000) as writer:
for sample in dg.generate():
writer.write(sample.inputs, sample.targets)
from contextlib import ExitStack
with Hdf5DatasetWriter("test", n_max=5) as writer:
writer.write(np.zeros((10, 10), dtype=np.uint8), "test")
writer.write(np.zeros((10, 15), dtype=np.uint8), "asdfasd")
writer.write(np.zeros((1, 10), dtype=np.uint8), "te345")
l = [
Hdf5DatasetWriter("test1", n_max=5),
return self.data_pipeline_cls()(
pipeline_params,
self,
generator_params=params,
)
if __name__ == "__main__":
from calamari_ocr.ocr import Codec
this_dir = os.path.dirname(os.path.realpath(__file__))
base_path = os.path.abspath(os.path.join(this_dir, "..", "..", "test", "data", "uw3_50lines", "train"))
fdr = FileDataParams(
num_processes=8,
images=[os.path.join(base_path, "*.png")],
limit=1000,
)
params = DataParams(
codec=Codec("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789 .,:;-?+=_()*{}[]`@#$%^&'\""),
downscale_factor=4,
line_height=48,
pre_proc=SequentialProcessorPipelineParams(
run_parallel=True,
processors=default_image_processors()
+ default_text_pre_processors()
+ [
AugmentationProcessorParams(
modes={PipelineMode.TRAINING},
data_aug_params=DataAugmentationAmount(amount=2),
def main():
parser = argparse.ArgumentParser(
description="Write split of folds to separate directories")
parser.add_argument(
"--files",
nargs="+",
help=
"List all image files that shall be processed. Ground truth fils with the same "
"base name but with '.gt.txt' as extension are required at the same location",
)
parser.add_argument(
"--n_folds",
type=int,
required=True,
help="The number of fold, that is the number of models to train",
)
parser.add_argument("--output_dir",
type=str,
required=True,
help="Where to write the folds")
parser.add_argument(
"--keep_original_filename",
action="store_true",
help=
"By default the copied new files get a new 8 digit name. Use this flag to keep the "
"original name but be aware, that this might override lines with the same name",
)
args = parser.parse_args()
logger.info("Creating folds")
images = glob_all(args.files)
texts = [split_all_ext(p)[0] + ".gt.txt" for p in images]
data_reader = FileDataParams(images=images, texts=texts, skip_invalid=True)
data_reader.prepare_for_mode(PipelineMode.TRAINING)
cross_fold = CrossFold(
n_folds=args.n_folds,
data_generator_params=data_reader,
output_dir=args.output_dir,
)
logger.info("Copying files")
for fold_id, fold_files in enumerate(cross_fold.folds):
fold_out_dir = os.path.join(args.output_dir, str(fold_id))
if not os.path.exists(fold_out_dir):
os.makedirs(fold_out_dir)
for file_id, file in tqdm(enumerate(fold_files),
total=len(fold_files),
desc=f"Fold {fold_id}"):
img_file = file
base, ext = split_all_ext(file)
txt_file = base + ".gt.txt"
output_basename = os.path.basename(
base) if args.keep_original_filename else f"{fold_id:08d}"
if os.path.exists(img_file) and os.path.exists(txt_file):
output_file = os.path.join(fold_out_dir,
f"{output_basename}{ext}")
shutil.copyfile(img_file, output_file)
output_file = os.path.join(fold_out_dir,
f"{output_basename}.gt.txt")
shutil.copyfile(txt_file, output_file)
else:
logger.info(
f"Warning: Does not exist {img_file} or {txt_file}")
def file_dataset():
return FileDataParams(images=sorted(
glob_all(
[os.path.join(this_dir, "data", "uw3_50lines", "test", "*.png")])))
