2026-08-08, 15:10
Hier noch ein funktionierendes Beispiel, wie man PDF Dateien OCR-technisch auswerten kann. Im Gegensatz zu pdf2image besteht hier keine Abhängigkeit zu poppler.
import fitz
import numpy as np
from paddleocr import PaddleOCR
ocr = PaddleOCR(lang="de", enable_mkldnn=False)
doc = fitz.open("Widerspruch.pdf")
for page_number, page in enumerate(doc, start=1):
# Render PDF page
pix = page.get_pixmap(dpi=300)
# Convert directly to NumPy
image = np.frombuffer(
pix.samples,
dtype=np.uint8
).reshape(pix.height, pix.width, pix.n)
# PaddleOCR expects RGB, not RGBA
if pix.n == 4:
image = image[:, :, :3]
result = ocr.predict(image)
print(f"\n--- Page {page_number} ---")
for page_result in result:
for text, score in zip(
page_result["rec_texts"],
page_result["rec_scores"],
):
print(f"{score:.3f}: {text}") |
import fitz
import numpy as np
from paddleocr import PaddleOCR
ocr = PaddleOCR(lang="de", enable_mkldnn=False)
doc = fitz.open("Widerspruch.pdf")
for page_number, page in enumerate(doc, start=1):
# Render PDF page
pix = page.get_pixmap(dpi=300)
# Convert directly to NumPy
image = np.frombuffer(
pix.samples,
dtype=np.uint8
).reshape(pix.height, pix.width, pix.n)
# PaddleOCR expects RGB, not RGBA
if pix.n == 4:
image = image[:, :, :3]
result = ocr.predict(image)
print(f"\n--- Page {page_number} ---")
for page_result in result:
for text, score in zip(
page_result["rec_texts"],
page_result["rec_scores"],
):
print(f"{score:.3f}: {text}")
2026-08-08, 14:58
PaddleOCR (Github) ist ein quelloffenes Framework für die Erkennung von Text (OCR). Hier ein kurzes Beispiel, wie man aus Python PaddleOCR nutzen kann.
# pip install paddlepaddle paddleocr
from paddleocr import PaddleOCR
# Initialize OCR
ocr = PaddleOCR(
lang="de", # "de" for German, "en" for English, etc.
use_doc_orientation_classify=True,
use_doc_unwarping=True,
use_textline_orientation=True,
enable_mkldnn=False # prevents MKLDNN/PIR crash
)
# Perform OCR
result = ocr.predict("wident.png")
# Print results
with open('wident_paddle.txt','w') as o:
for page in result:
for line in page["rec_texts"]:
print(line)
o.writelines(line) |
# pip install paddlepaddle paddleocr
from paddleocr import PaddleOCR
# Initialize OCR
ocr = PaddleOCR(
lang="de", # "de" for German, "en" for English, etc.
use_doc_orientation_classify=True,
use_doc_unwarping=True,
use_textline_orientation=True,
enable_mkldnn=False # prevents MKLDNN/PIR crash
)
# Perform OCR
result = ocr.predict("wident.png")
# Print results
with open('wident_paddle.txt','w') as o:
for page in result:
for line in page["rec_texts"]:
print(line)
o.writelines(line)