Brainstorming
- Visualizing table of content/document structure/index as overlay on the lens
- Indicator of current position and position of reference target (e.g., section, figure…)
- Preview of internal and external references and figures
- Providing keywords for overview
- Query by example (by selecting visible word) and enter handwritten queries by pen input on the lens
- Highlighting of search results under lens
- Visualization for off-screen search results on current page (by using visual cues along the border of the lens)
- Visualization of search results within the rest of the document (by occurrence indicator along the two edges of the lens)
- Translate whole content under the lens to another language (e.g., next to original text or split screen while moving lens along the page)
- Using lens as magnifying glass (showing indicator around original text for magnified paragraph)
- Customizing font size/type
- Showing video instead of static image
- Different representations of diagrams
- Selecting data points
- (Semantic) Zooming
- Mask out parts of the shown data
- Changing parameters interactively…
- Showing time dependent visualizations/animations (e.g., on maps or visualizing chemical/biological reactions)
- Showing definitions for expressions
- Translate specific expressions or words
- Providing supplementary material (e.g., by following hypertext links)
- Adding handwritten notes and comments by pen input
- Categorizing personal notes
- Searching and browsing in notes
- Handwriting recognition, transformation into typed text
- Underlining/Highlighting
- Bookmarks
- Setting bookmarks via touch on the lens
- Finding bookmarks by off-screen visualization or indicators along the border of lens
- Saving extracts for later use
- Comparing with paragraphs of the same document as well as with other documents
- Sharing content (e.g., via E-Mail, Twitter…)
- Visual tracking of current reading focus with the upper edge of the device
- Moving lens along the page (e.g., for simultaneous translation, magnification…)
- Multitouch/pen input on lens
- Pen for highlighting, underlining, precise selection of words, handwritten annotations
- Pinch gesture for expanding and collapsing notes
- Flipping lens
- Switching language in translation mode
- Showing indicators on one side and content of notes, external information… on the other side
- Tilting lens
- Problematic because document itself might be tilted
- Tilting lens left and right for navigating through extracted paragraphs
- Lifting lens from the document rearranges content (e.g., notes and comments
- Stacking
- Stacking of two people’s devices for exchange of notes, annotations and highlights
- Show both collections simultaneously and allow transfer from one layer to the other
- Form factor of lens (size, weight, form)
- Different reading positions of the user, device might need to be fixed with hand, occupies NDH
- Angle of device in relation to the tilted document
- Bending of pages due to type of book binding might limit the contact area of the lens