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Description
  • Methods of cartographic visualization are closely related to the use of colour schemes. There are a number of coloured scales that are included in the default menu of GIS and graphic software, but the appropriateness of the colour scale is in many cases questionable - not only because of the thematic suitability, but also with the focus on the user ability to get the information provided in the map. In addition to choosing a suitable colour scheme it is also very important to select number of intervals that can be used for various base hues. The main goal of this contribution is to describe design and results of an eye-tracking experiment, which was aimed at evaluating the efficiency of two different sequential colour schemes. The research is based on the theory which states that the human ability to distinguish colour shades in various parts of light spectrum varies. Some colour brightness continuum could provide more discriminable shades than another one. Within presented study only brightness continua of green and red were evaluated. Experimental stimuli are represented by 6-classes choropleth maps. The design of applied sequential colour schemes was developed based on results of the previous research. Colour distance steps between classes of both colour schemes are given by values determined by the method CIEDE2000 deltaE00= 6, 8, 10, 8 and 6. The presented experiment was carried out in a controlled eye-tracking laboratory in which participants were asked to find depicted area on the choropleth map and match it with the corresponding legend class by its colour. Eye-tracking methods were utilized to complement usability metrics such as measured accuracy, time to answer and selected eye tracking metrics: fixation frequency, fixation duration, scanpath speed and other scanpath characteristics comparison.
  • Methods of cartographic visualization are closely related to the use of colour schemes. There are a number of coloured scales that are included in the default menu of GIS and graphic software, but the appropriateness of the colour scale is in many cases questionable - not only because of the thematic suitability, but also with the focus on the user ability to get the information provided in the map. In addition to choosing a suitable colour scheme it is also very important to select number of intervals that can be used for various base hues. The main goal of this contribution is to describe design and results of an eye-tracking experiment, which was aimed at evaluating the efficiency of two different sequential colour schemes. The research is based on the theory which states that the human ability to distinguish colour shades in various parts of light spectrum varies. Some colour brightness continuum could provide more discriminable shades than another one. Within presented study only brightness continua of green and red were evaluated. Experimental stimuli are represented by 6-classes choropleth maps. The design of applied sequential colour schemes was developed based on results of the previous research. Colour distance steps between classes of both colour schemes are given by values determined by the method CIEDE2000 deltaE00= 6, 8, 10, 8 and 6. The presented experiment was carried out in a controlled eye-tracking laboratory in which participants were asked to find depicted area on the choropleth map and match it with the corresponding legend class by its colour. Eye-tracking methods were utilized to complement usability metrics such as measured accuracy, time to answer and selected eye tracking metrics: fixation frequency, fixation duration, scanpath speed and other scanpath characteristics comparison. (en)
Title
  • Green versus Red: Eye-tracking evaluation of sequential colour schemes
  • Green versus Red: Eye-tracking evaluation of sequential colour schemes (en)
skos:prefLabel
  • Green versus Red: Eye-tracking evaluation of sequential colour schemes
  • Green versus Red: Eye-tracking evaluation of sequential colour schemes (en)
skos:notation
  • RIV/61989592:15310/14:33152353!RIV15-MSM-15310___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • S
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
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  • 18613
http://linked.open...ai/riv/idVysledku
  • RIV/61989592:15310/14:33152353
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Eye-tracking, Choropleth maps, Usability, Colour, CIEDE2000 (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [E5CBA728D1AB]
http://linked.open...v/mistoKonaniAkce
  • Albena
http://linked.open...i/riv/mistoVydani
  • Sofia
http://linked.open...i/riv/nazevZdroje
  • 14th SGEM GeoConference on Informatics, Geoinformatics and Remote Sensing
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Brychtová, Alžběta
  • Vondráková, Alena
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
issn
  • 1314-2704
number of pages
http://bibframe.org/vocab/doi
  • 10.5593/SGEM2014/B23/S11.082
http://purl.org/ne...btex#hasPublisher
  • STEF92 Technology Ltd.
https://schema.org/isbn
  • 978-619-7105-10-0
http://localhost/t...ganizacniJednotka
  • 15310
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