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Android Math Notebook: Handwriting Recognition App for Android Tablets

Android Math Notebook is an innovative app designed for Android tablets, enabling users to take electronic notes with advanced handwriting recognition capabilities. Based on the LipiTK Math Mode, this application compiles using the Android NDK and functions as a shared library. Key features include undo/redo functionality through the Command Design Pattern and support for native debugging with Eclipse. While the recognition works, performance can be slow, and accuracy needs improvement. The app's screen rotation feature retains data effectively. Thanks to contributors for their valuable input in development.

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Android Math Notebook: Handwriting Recognition App for Android Tablets

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Presentation Transcript

  1. Alex Hunt and Jon Kriss

  2. What is Android Math Notebook • Android Tablet App • Electronic Notes • Handwriting Recognition • Math Mode

  3. Ported LipiTK • Now Compiles on Android NDK • Compiles as a Separate Shared Library • Uses CrystaX NDK (http://www.crystax.net/en/android/ndk) • Reimplementation of stdlib for Android

  4. Recognition Implementation • Implemented JNI layer • Recognition “Works” • Very Slow • Wrong Most of the time

  5. Other New Features • Implemented Undo/Redo • Uses the “Command Design Pattern” • Application Data Bundled • Rotating Screen Doesn’t Erase

  6. Native Debugging • Debugging C/C++ from Eclipse • Difficult to set up • Sequoyah plugin • GDB connects over tcp

  7. DEMO!

  8. Thanks! • Thanks to… • Moorthy • Sean O’Sullivan • RCOS members Questions?

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