Unverified50% confidenceFactExact time
A scanned document is essentially a pixel image, and a computer cannot directly recognize the text within it; an OCR engine infers the content by analyzing character shapes.
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10/12/2026
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UnverifiedOCR technology can only recognize text in images and is highly sensitive to font, angle, and lighting conditions, whereas multimodal AI can understand the overall semantic content of images.77% similarUnverifiedWhen a PDF is a scanned or image-based document, character coordinates are unavailable, requiring reliance on OCR recognition results and their spatial geometry information to supplement localization basis.73% similarUnverifiedThe real challenge of engineering drawing parsing lies not in OCR text recognition itself, but in understanding the relationships between dimensions, symbols, and the actual geometric features in the drawing.69% similarUnverified即便出现能对PR图片进行OCR扫描的安全工具，攻击者仍可通过图像混淆手段对抗基于规则的文本检测，而这些混淆对多模态大模型几乎无影响68% similar
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