Create README.md

README.md

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+---
+pipeline_tag: image-to-text
+tags:
+- NPU
+---
+# PaddleOCR v4 (PP-OCRv4) for Android
+
+## Quickstart
+
+See [Documentation](https://docs.nexa.ai/nexa-sdk-android/quickstart)
+
+## Model Description
+**PP-OCRv4** is the fourth-generation end-to-end optical character recognition system from the PaddlePaddle team.  
+It combines a lightweight **text detection → angle classification → text recognition** pipeline with improved training techniques and data augmentation, delivering higher accuracy and robustness while staying efficient for real-time use.
+
+PP-OCRv4 supports multilingual OCR (Latin and non-Latin scripts), irregular layouts (rotated/curved text), and challenging inputs such as noisy or low-resolution images often found in mobile and document-scan scenarios.
+
+## Features
+- **End-to-end OCR**: text detection, optional angle classification, and text recognition in one pipeline.
+- **Multilingual support**: pretrained models for English, Chinese, and dozens of other languages; easy finetuning for domain text.
+- **Robust in real-world conditions**: handles rotation, perspective distortion, blur, low light, and complex backgrounds.
+- **Lightweight & fast**: practical for both mobile apps and large-scale server deployments.
+- **Flexible I/O**: works with photos, scans, screenshots, receipts, invoices, ID cards, dashboards, and UI text.
+- **Extensible**: swap components (detector/recognizer), add language packs, or finetune on domain datasets.
+
+## Use Cases
+- Document digitization (invoices, receipts, forms, contracts)
+- RPA and back-office automation (screen/OCR flows)
+- Mobile scanning apps and camera-based translation/read-aloud
+- Industrial and retail analytics (labels, price tags, shelf tags)
+- Accessibility (screen-readers and read-aloud applications)
+
+## Inputs and Outputs
+**Input**: Image (photo, scan, or screenshot).  
+**Output**: A list of detected text regions, each with:
+- bounding box (rectangular or polygonal)
+- recognized text string
+- optional confidence score and orientation
+
+
+## License
+- Licensed under [Apache-2.0](https://github.com/PaddlePaddle/PaddleOCR/blob/release/2.7/LICENSE)
+
+## References
+- GitHub repo: [https://github.com/PaddlePaddle/PaddleOCR](https://github.com/PaddlePaddle/PaddleOCR)  
+- Model zoo & documentation: [Models list](https://github.com/PaddlePaddle/PaddleOCR/blob/release/2.7/doc/doc_en/models_list_en.md)