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Documentation Index

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What is RapidOCR?

Lightweight OCR based on ONNX Runtime for fast inference. Best for speed and lightweight deployment.

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Usage

from upsonic.ocr import OCR
from upsonic.ocr.layer_1.engines import RapidOCREngine
# Also available: from upsonic.ocr import RapidOCREngine

# Create engine instance
engine = RapidOCREngine(languages=['en'], confidence_threshold=0.5)

# Create OCR orchestrator
ocr = OCR(layer_1_ocr_engine=engine)

# Extract text from image
text = ocr.get_text('invoice.png')
print(text)

# Process PDF
result = ocr.process_file('document.pdf')
print(f"Extracted {len(result.text)} characters from {result.page_count} pages")

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Parameters

ParameterTypeDefaultDescription
languagesList[str]['en']List of language codes
confidence_thresholdfloat0.0Minimum confidence for text blocks
rotation_fixboolFalseAuto-detect and fix image rotation
enhance_contrastboolFalseEnhance image contrast
remove_noiseboolFalseApply noise reduction
pdf_dpiint300DPI for PDF rendering

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Supported Languages

English, Chinese (simplified and traditional), Japanese, Korean, and several other scripts including Tamil, Telugu, Arabic, Cyrillic, and Devanagari.