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Jak Oscar Wilde i gnijący pomidor mogą pomóc w obniżeniu poziomu hałasu?

SubRosa is a persuasive ambient display system designed to improve learning conditions in areas used for quiet study. A team from Institute of Applied Computer Science, Lodz University of Technology, Poland and Chalmers University of Technology, Sweden, have constructed a system named SubRosa that visualises ambient noise levels.The main feature of this system is making indirect subtle cues associated with current noise in a form of a rotting tomato.

The main feature of this system is making indirect subtle cues associated with current noise in a form of a rotting tomato.
SubRosa is taking advantage of psychological effect that sometimes the indirect messages influence people more efficiently than implicit instructions such as, in this case: ‘Please, keep calm!’ ,etc.
The main idea behind the system is taken from an Oscar Wilde’s ‘The Picture of Dorian Gray’ novel. In this book Dorian leads hedonistic life of a young and handsome man but after selling his soul he does not age but rather his portrait does. The title picture displays each and every Dorian’s sin in a form of a disfigurement or aging of his portrait. We took this metaphor and transformed it into a series of interactive visualizations to provoke reflection on the current noise level – each time the noise conditions are unacceptable the visualization is corrupts the displayed object or scene. In our study we found that images of tomato alternately rotting and recovering, displayed in university settings as an ambient background, were the most effective to maintain and improve study conditions.


SubRosa is different from other systems in that it uses immediate feedback and targets a dynamic user group with a high member turnover. An experience study we conducted in two different locations (Poland and Sweden) showed positive influence on ambient noise conditions. Based on the study results, we discuss insights into the design of persuasive ambient displays, the effectiveness of our approach, and types of ambient feedback that could be used in similar systems.
By comparing the experience study results, we show how immediate feedback for ambient displays is suitable for environments with dynamic user groups.

SubRosa development started as a student team project on the computer science master level studies here in Lodz, and now one of the authors, i.e. Pawel Wozniak pursues his PhD at Chalmers so we have set up a collaboration on interactive systems with Sweden says Andrzej Romanowski leader of ubicomp.pl group from Lodz. Research on SubRosa will be presented at the 9th International Conference, PERSUASIVE 2014, in Padua, Italy, May 21-23, 2014.
Read the full text about the project here >>

More details on interactive projects from Ubicomp.pl research group can be found at the website.

powrót do góry

Andrzej Romanowski

Ostatnia modyfikacja:
2014-05-16 12:52:36, Marcin Raniszewski