> ## Documentation Index
> Fetch the complete documentation index at: https://docs.upsonic.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# RapidOCR

> Lightweight OCR based on ONNX Runtime for fast inference

## What is RapidOCR?

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

## Usage

```python theme={null}
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")
```

## Parameters

| Parameter | Type | Default | Description |
| - | - | - | - |
| `languages` | List\[str] | `['en']` | List of language codes |
| `confidence_threshold` | float | `0.0` | Minimum confidence for text blocks |
| `rotation_fix` | bool | `False` | Auto-detect and fix image rotation |
| `enhance_contrast` | bool | `False` | Enhance image contrast |
| `remove_noise` | bool | `False` | Apply noise reduction |
| `pdf_dpi` | int | `300` | DPI for PDF rendering |

## Supported Languages

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


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