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LNotes:Linked Notes Android DocumentScanner and Retriever

An open-source android scanner with the added functionality of assigning an image as a marker to your notes for easy retrieval. LNotes uses OpenCV for enhancing documents and comes with 5 different filters. For assigning a marker and scanning it to match with previous markers we use ORB image matcher with cached key Points to have insanely fast image matching.

This can be particularly useful when we want to have additional study material in our documents/handwritten notes without physically adding them. With LNotes you can do this by assigning a marker to your notes and scanning it whenever the document is required.

Downloads

Download apk from here

Demo

Demo

Features

  • Assigning image tags to each individual photo
  • PDF creation
  • 5 diffrent scanning modes
  • Sharing in the form of PDF or Images
  • Quadrilateral/4-Point crop
  • Pinch/Double-Tap Zoom in gallery

Some Samples




External code

This application wouldn't be possible without the great material produced by the community. I would like to give special thanks to the authors of essential parts I've got on the internet and used in the code:

Attributions

About

Copyright 2018 Gaurav Chaudhari, and licensed under the Apache License, Version 2.0. No attribution is necessary but it's very much appreciated. Star this project if you like it!