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Simplify pypdfium2 use and avoid back-and-forth conversion #4585

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Simplify pypdfium2 use and avoid back-and-forth conversion #4585

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5 changes: 1 addition & 4 deletions paddlex/inference/models/formula_recognition/result.py
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Original file line number Diff line number Diff line change
Expand Up @@ -283,10 +283,7 @@ def pdf2img(pdf_path: str, img_path: str, is_padding: bool = False):
for page in pdfDoc:
rotate = int(0)
zoom = 2
img = page.render(scale=zoom, rotation=rotate).to_pil()
img = img.convert("RGB")
img = np.array(img)
img = cv2.cvtColor(img, cv2.COLOR_RGB2BGR)
img = page.render(scale=zoom, rotation=rotate).to_numpy()
xywh = crop_white_area(img)

if xywh is not None:
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5 changes: 1 addition & 4 deletions paddlex/inference/serving/infra/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -195,10 +195,7 @@ def read_pdf(
# TODO: Do not always use zoom=2.0
zoom = 2.0
deg = 0
image = page.render(scale=zoom, rotation=deg).to_pil()
image = image.convert("RGB")
image = np.array(image)
image = cv2.cvtColor(image, cv2.COLOR_RGB2BGR)
image = page.render(scale=zoom, rotation=deg).to_numpy()
images.append(image)
page_info = PDFPageInfo(
width=image.shape[1],
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6 changes: 1 addition & 5 deletions paddlex/inference/utils/io/readers.py
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Original file line number Diff line number Diff line change
Expand Up @@ -293,11 +293,7 @@ def read_file(self, in_path):
doc = pdfium.PdfDocument(in_path)
try:
for page in doc:
image = page.render(scale=self._scale, rotation=self._rotation).to_pil()
image = image.convert("RGB")
img_cv = np.array(image)
img_cv = cv2.cvtColor(img_cv, cv2.COLOR_RGB2BGR)
yield img_cv
yield page.render(scale=self._scale, rotation=self._rotation).to_numpy()
finally:
doc.close()

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