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Focus plus context screens

This presentation explores the innovative concept of Focus + Context screens developed by Patrick Baudisch and Nathan Good. These screens integrate high-resolution and low-resolution displays, allowing seamless scaling of content while preserving clarity. Attendees will learn what Focus + Context screens are, how they function, their applications in video and visualization tasks, and future advancements in display technology. The demo includes practical applications, showcasing the advantages in tasks requiring simultaneous attention to detail and context, ultimately enhancing productivity and user experience.

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Focus plus context screens

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  1. Focus plus context screens Patrick Baudisch &Nathan Good CHI ’02April 23th 2002

  2. Hardware • At least one hi-res display • At least one larger low-res display • Software • scaling of the display content is preserved • resolution varies

  3. Focus plus context screens • 1. What it is • 2. How it works • 3. What it is good for (video) • 4. Software • 5. What’s next

  4. How to build it?

  5. Setup

  6. b Seamless integration of displays a

  7. Context No reflections on focus screen Focus

  8. What is it good for?

  9. <Show video here>

  10. How does it work?

  11. The scaling software • Display image on two display units of different resolution • Similar to two-headed display • but display units are overlapping • and one of them has to be scaled down • (Related work “Flux capacitor”[Dr. Emmett Brown, 1985])

  12. clip focus viewer app server scale input context viewer Linux/VNC

  13. Image viewer mouse fork focus .gif ACDsee Photo shop scale input context .gif ACDsee

  14. What’s next?

  15. Display technology homogeneous resolution 4 VisualizationSame # of pixels fisheye overview plus detail 5 4 4 wall-size, hi-res display focus plus context screen Tomorrow after lunch in Room 102 D-F

  16. “Hand’s on” demo all week in the Commons`

  17. Future work: ContextWall Submitted to CSCW

  18. Extra slides

  19. Evaluation

  20. Subject’s task Document/view Smallest object Static documents Web designer Page: 800 pixel Text: 10 pixel Mechanical engineer Polybot segment: 5cm Pin: 1mm Graphic designer Poster: 1m Text: 1cm Architect in remodeling Building: 50m Wall: 10cm Photogrammetry (2) Highway 2 miles Curb: 6 inches Geographic info. system County: 80km Trees: 5m Chip designers (2) Wafer: 12cm Conductive path: 3m Dynamic Air traffic ctrl. tool builder Zone: 50km Airplane: 50m Ego shooter gamer Surrounding: 360º Distant opponent: 1º Submarine ROV op. Surrounding: 360º Small fish: 1cm/0.5º Strategy gamers (2) Map: 30k pixel Missile: 3 pixel Field study

  21. Experiment

  22. Results • 1st exp: large static documents • Task completion: 21% and 36% faster • 2nd exp: dynamic dual attention task • Error rate only 1/3 of two-monitor setup

  23. What we learned • We thought:Chip designers need it • We learned:Real strength is dynamic content • Have unexpected context information • Two monitoring tasks at the same time • Immersive tele-presence,remote operated vehicles

  24. Further reading on f+c screens [1] P. Baudisch, N. Good, and P. Stewart. Focus Plus Context Screens: Combining Display Technology with Visualization Techniques. In Proceedings of UIST ‘01, Orlando, FL, November 2001, pp.31-40. [2] P. Baudisch, N. Good, V. Bellotti, and P. Schraedley. Keeping Things in Context: A Comparative Evaluation of Focus Plus Context Screens, Overviews, and Zooming. To appear in Proceedings of CHI 2002, Minneapolis, MN, April 2002. [3] P. Baudisch and N. Good. Focus Plus Context Screens: Displays for Users Working with Large Visual Documents. To appear in CHI 2002 Extended Abstracts (Demo paper), Minneapolis, MN, April 2002. [4] P. Baudisch. Focus Plus Context Screens. To appear in CHI 2002 Video Summaries, Minneapolis, MN, April 2002. [5] P. Baudisch and N. Good. Focus Plus Context Screens: Visual Context and Immersion on the Desktop. To appear at SIGGRAPH 2002 (Demo paper), San Antonio, TX, July 2002. [PDF] [6] Y. Bhattacharjee. In a Seamless Image, the Great and Small. In The New York Times, Thursday, March 14, 2002.

  25. Talk Keeping Things in Context: A Comparative Evaluation of Focus Plus Context Screens, Overviews, and Zooming. Wednesday 2:30pm in room 102-D-F Try it Focus Plus Context Screens, hand’s on demoAnytime in the Commons Video The CHI Video proceedings, first video on the tape ---------- Surf http://www.patrickbaudisch.com More P. Baudisch, N. Good, and P. Stewart. Focus Plus Context Screens: Combining Display Technology with Visualization Techniques. In Proceedings of UIST ‘01, Orlando, FL, November 2001, pp.31-40. Y. Bhattacharjee. In a Seamless Image, the Great and Small. In The New York Times, Thursday, March 14, 2002. Focus Plus Context Screens: Visual Context and Immersion on the Desktop. Emerging technologies demo at SIGGRAPH 2002, San Antonio, TX, July 2002. • END

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