Research Papers

Below is a list of research papers that this project has and/or can make use of.

Blackboard Style Videos

• NoteVideo: Facilitating Navigation of Blackboard-style Lecture Videos - Where it all started.

• Visual Transcripts: Lecture Notes from Blackboard-Style Lecture Videos - Improvement on NoteVideo. View demo.

• Media Content Analysis for Creation and Annotation of Video Learning Objects - Page 59 is a good place to start.

• VidWiki: Enabling the Crowd to Improve the Legibility of Online Education Videos

• Video Object Annotation, Navigation, and Composition

• Video Foreground Subtraction with Educational Applications

• Generation of lecture notes as images from recorded whiteboard and blackboard based presentations - Solid one 10/10.

• A method for objects extraction from recorded lectures - A more detailed version of the previous paper. board2slides

Optical Flow

• Robust Camera Pan and Zoom Change Detection Using Optical Flow - Good high level overview at detecting panning and zooming in videos. Only applies to centered zoom.

• Particle Video: Long-Range Motion Estimation using Point Trajectories.pdf - Alternative to feature tracking and optical flow.

Authoring

• Non-Sequential Authoring of Handwritten Video Lectures with Pentimento - Just what we need.

• Creating and Editing "Digital Blackboard" Videos using Pentimento: With a Focus on Syncing Audio and Visual Components - Pentimento but implemented using a web interface.

  • View the project on GitHub.
  • View a demo of authoring side.
  • View a demo of rendering side.

Other

• Content-based Search of Video Using Color, Texture, and Motion - Might come in handy.