NOTICE

This project is licensed under the Apache License 2.0 (see LICENSE). It also
includes third-party components under their respective licenses as noted below.

1) OpenCV (selected Java classes vendored)
    - Project: https://opencv.org
    - License: Apache License, Version 2.0
    - Notes: Selected Java classes from the org.opencv.* packages have been
      copied into this project to enable OpenCV-based image processing.
      Original Apache 2.0 license headers are preserved in the vendored files.

2) DocAligner model (ONNX)
    - Project: https://github.com/DocsaidLab/DocAligner
    - License: Apache License, Version 2.0
    - Notes: The FastViT-based document corner detection model is included as an
      application asset for fully offline inference.

3) ONNX Runtime (submodule, required runtime)
    - Project: https://github.com/microsoft/onnxruntime
    - Path: external/onnxruntime (Git submodule)
    - License: MIT License
    - Notes: Built from source for Android (XNNPACK and NNAPI, Java bindings) via
      scripts/build_onnxruntime_android.sh. The resulting native libraries and
      Java JAR are integrated into app/jniLibs and app/libs respectively as part
      of the required ONNX Runtime support.

4) Noto Sans CJK (fonts; used for CJK PDF text layer)
    - Project: https://github.com/notofonts/noto-cjk
    - License: SIL Open Font License 1.1
    - Notes: The bundled fonts are derived from the official Noto Sans CJK OTF
      distributions. For compatibility with PDFBox, they have been converted to
      TrueType (TTF) format and subsetted to reduce size. No glyph outlines have
      been modified. The OFL license notice is included at
      third_party_licenses/OFL.txt.

5) Tesseract OCR language data (tessdata)
    - Project: https://github.com/tesseract-ocr/tessdata
    - License: Apache License, Version 2.0
    - Notes: Extended to include chi_sim and chi_tra for Chinese OCR where
      applicable.

6) Noto Sans (fonts; e.g., NotoSans-Regular.ttf)
    - Project: https://github.com/notofonts/noto-fonts
    - License: SIL Open Font License 1.1
    - Notes: Distributed under the OFL without modification and without changes
      to Reserved Font Names. When bundled, the OFL notice is included at
      third_party_licenses/OFL.txt.

For full license texts, see the corresponding upstream repositories and their
LICENSE files. The Apache License 2.0 for this project is provided in LICENSE.
