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Kari-Jouko Räihä

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Kari-Jouko Räihä

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Publications by Kari-Jouko Räihä (bibliography)

» 2009 «

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Räihä, Kari-Jouko and Spakov, Oleg (2009): Disambiguating ninja cursors with eye gaze. In: Proceedings of ACM CHI 2009 Conference on Human Factors in Computing Systems 2009. pp. 1411-1414. Available online

“Ninja cursors aim to speed up target selection on large or multiple monitors. Several cursors are displayed on the screen with one of them selected as the active cursor. Eye tracking is used to choose the active cursor. An experiment with 13 participants showed that multiple cursors speed up the selection over long distances, but not over short distances. Participants felt the technique was fastest with 4 cursors per monitor, but still preferred to have only 1 cursor per monitor for their own use.”

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» 2008 «

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Laukkanen, Joona, Isokoski, Poika and Räihä, Kari-Jouko (2008): The cone and the lazy bubble: two efficient alternatives between the point cursor and the bubble cursor. In: Proceedings of ACM CHI 2008 Conference on Human Factors in Computing Systems April 5-10, 2008. pp. 309-312. Available online

“We evaluated two cursor designs in the continuum between the traditional point cursor and the bubble cursor by Grossman and Balakrishnan. The lazy bubble cursor expanded to envelop the closest target when the ratio of the distances to the closest and the second closest target was less than 1:2. In addition to this lazy behavior the cone cursor had a tail that stayed on the last enveloped target until the next target was enveloped. In an experiment with 18 participants we found that the bubble cursor was faster than our cursors that had smaller target activation areas but the difference remained very small. Of the bubble cursor variants the lazy bubble exhibited higher error rate than the other two. Thus, the winners on the objective metrics were the bubble cursor and the cone cursor. The lazy bubble cursor and the bubble cursor were preferred in subjective ratings.”

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Liu, Ying and Räihä, Kari-Jouko (2008): RotaTxt: Chinese pinyin input with a rotator. In: Hofte, G. Henri ter, Mulder, Ingrid and Ruyter, Boris E. R. de (eds.) Proceedings of the 10th Conference on Human-Computer Interaction with Mobile Devices and Services - Mobile HCI 2008 September 2-5, 2008, Amsterdam, the Netherlands. pp. 225-233. Available online

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Räihä, Kari-Jouko and Duchowski, Andrew T. (eds.) ETRA 2008 - Proceedings of the Eye Tracking Research and Application Symposium March 26-28, 2008, Savannah, Georgia, USA.

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Sharmin, Selina, Spakov, Oleg, Räihä, Kari-Jouko and Jakobsen, Arnt Lykke (2008): Effects of time pressure and text complexity on translators' fixations. In: Räihä, Kari-Jouko and Duchowski, Andrew T. (eds.) ETRA 2008 - Proceedings of the Eye Tracking Research and Application Symposium March 26-28, 2008, Savannah, Georgia, USA. pp. 123-126. Available online

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Tuisku, Outi, Majaranta, Päivi, Isokoski, Poika and Räihä, Kari-Jouko (2008): Now Dasher! Dash away!: longitudinal study of fast text entry by Eye Gaze. In: Räihä, Kari-Jouko and Duchowski, Andrew T. (eds.) ETRA 2008 - Proceedings of the Eye Tracking Research and Application Symposium March 26-28, 2008, Savannah, Georgia, USA. pp. 19-26. Available online

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Spakov, Oleg and Räihä, Kari-Jouko (2008): KiEV: a tool for visualization of reading and writing processes in translation of text. In: Räihä, Kari-Jouko and Duchowski, Andrew T. (eds.) ETRA 2008 - Proceedings of the Eye Tracking Research and Application Symposium March 26-28, 2008, Savannah, Georgia, USA. pp. 107-110. Available online

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Siirtola, Harri, Räihä, Kari-Jouko, Surakka, Veikko and Vanhala, Toni (2008): Flexible Method for Producing Static Visualizations of Log Data. In: IV 2008 - 12th International Conference on Information Visualisation 8-11 July, 2008, London, UK. pp. 127-132. Available online

» 2006 «

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Majaranta, Päivi, MacKenzie, I. Scott, Aula, Anne and Räihä, Kari-Jouko (2006): Effects of feedback and dwell time on eye typing speed and accuracy. In Universal Access in the Information Society, 5 (2) pp. 199-208

“Eye typing provides a means of communication that is especially useful for people with disabilities. However, most related research addresses technical issues in eye typing systems, and largely ignores design issues. This paper reports experiments studying the impact of auditory and visual feedback on user performance and experience. Results show that feedback impacts typing speed, accuracy, gaze behavior, and subjective experience. Also, the feedback should be matched with the dwell time. Short dwell times require simplified feedback to support the typing rhythm, whereas long dwell times allow extra information on the eye typing process. Both short and long dwell times benefit from combined visual and auditory feedback. Six guidelines for designing feedback for gaze-based text entry are provided.”

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Räihä, Kari-Jouko and Duchowski, Andrew T. (eds.) ETRA 2006 - Proceedings of the Eye Tracking Research and Application Symposium March 27-29, 2006, San Diego, California, USA.

» 2004 «

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Majaranta, Päivi, Aula, Anne and Räihä, Kari-Jouko (2004): Effects of feedback on eye typing with a short dwell time. In: Duchowski, Andrew T. and Vertegaal, Roel (eds.) ETRA 2004 - Proceedings of the Eye Tracking Research and Application Symposium March 22-24, 2004, San Antonio, Texas, USA. pp. 139-146. Available online

» 2002 «

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Majaranta, Päivi and Räihä, Kari-Jouko (2002): Twenty years of eye typing: systems and design issues. In: Duchowski, Andrew T., Vertegaal, Roel and Senders, John W. (eds.) ETRA 2002 - Proceedings of the Eye Tracking Research and Application Symposium March 25-27, 2002, New Orleans, Louisiana, USA. pp. 15-22. Available online

» 2000 «

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Hyrskykari, Aulikki, Majaranta, Päivi, Aaltonen, Antti and Räihä, Kari-Jouko (2000): Design issues of iDICT: a gaze-assisted translation aid. In: Duchowski, Andrew T. (ed.) ETRA 2000 - Proceedings of the Eye Tracking Research and Application Symposium November 6-8, 2000, Palm Beach Gardens, Florida, USA. pp. 9-14. Available online

» 1979 «

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Räihä, Kari-Jouko and Zweben, Stuart H. (1979): An Optimal Insertion Algorithm for One-Sided Height-Balanced Binary Search Trees. In Communications of the ACM, 22 (9) pp. 508-512

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Changes to this page (author)

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Publication statistics

Publication period:1979-2009
Publication count:14
Number of co-authors:17

Productive colleagues

Kari-Jouko Räihä's 3 most productive colleagues in number of publications:

I. Scott MacKenzie:59
Poika Isokoski:21
Veikko Surakka:17

Collaboration count

Number of publications with 3 favourite co-authors:

Päivi Majaranta:5
Oleg Spakov:3
Andrew T. Duchowski:2

Other options

Learn more about Kari-Jouko Räihä:
- Google Scholar
- ACM
- CSB

Conference Calendar

Mar 16

Science meets Arts: Leading scientists and designers explore the impact of developing technologies on society

Mar 21

WritersUA Conf. for Software User Assistance

Mar 22

Workshop on Pervasive healthcare in the home : Supporting patient motivation and engagement

Mar 12

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Eva Hornecker on Tangible Interaction

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Kari-Jouko Räihä

Publications by Kari-Jouko Räihä (bibliography)

» 2009 «

» 2008 «

» 2006 «

» 2004 «

» 2002 «

» 2000 «

» 1979 «

What do YOU think?

Changes to this page (author)

Publication statistics

Productive colleagues

Collaboration count

Other options

Conference Calendar

Eva Hornecker on Tangible Interaction

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