Unverified50% confidenceDecision RuleExact time
Batching is the foremost principle for large-scale PDF OCR.
1
Sources
50%
Confidence
Long-term
Relevance
9/8/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedThe parsing process for PDF documents typically includes multiple steps such as OCR recognition, text extraction, chunking, vector embedding generation, and storage in a vector database.79% similarUnverified原生PDF的文字以字符编码形式存储，可以直接复制、搜索和提取，无需OCR；扫描型PDF本质是图像，必须通过OCR技术识别72% similarVerifiedPDF is essentially a page description language oriented toward printing, storing the absolute coordinates of characters rather than semantic structure internally, leading to parsing challenges such as the need for OCR with scanned versions, disordered reading order in multi-column layouts, and loss of row-column relationships in tables.69% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/875363API
curl https://kongchang.com/api/v1/knowledge/claims/875363MCP
get_claim(id=875363)