(WFRF:(Falkmer Torbjörn)) pers:(Bjällmark Anna)
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- Falkmer, TorbjörnJönköping University,Östergötlands Läns Landsting,Linköpings universitet,Hälsouniversitetet,Rehabiliteringsmedicin,Habiliteringen: Barn- och ungdomshabiliteringen, LSS Råd och stöd,HHJ, Avdelningen för rehabilitering,HHJ. Åldrande - livsvillkor och hälsa (author)
Fixation identification in centroid versus start-point modes using eye-tracking data
- Article/chapterEnglish2008
Publisher, publication year, extent ...
- Sage Publications,2008
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:kth-33267
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-33267URI
- https://doi.org/10.2466/PMS.106.3.710-724DOI
- https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-15915URI
- https://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-5581URI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
Classification
Notes
- QC 20110504
- Fixation-identification algorithms, needed for analyses of eye movements, may typically be separated into three categories, viz. (i) velocity-based algorithms, (ii) area-based algorithms, and (iii) dispersion-based algorithms. Dispersion-based algorithms are commonly used but this application introduces some difficulties, one being optimization. Basically, there are two modes to reach this goal of optimization, viz., the start-point mode and the centroid mode. The aim of the present study was to compare and evaluate these two dispersion-based algorithms. Manual inspections were made of 1,400 fixations in each mode. Odds ratios showed that by using the centroid mode for fixation detection, a valid fixation is 2.86 times more likely to be identified than by using the start-point mode. Moreover, the algorithm based on centroid mode dispersion showed a good interpretation speed, accuracy, robustness, and ease of implementation, as well as adequate parameter settings.
Subject headings and genre
- SAMHÄLLSVETENSKAP Psykologi hsv//swe
- SOCIAL SCIENCES Psychology hsv//eng
- TEKNIK OCH TEKNOLOGIER Medicinteknik Medicinsk laboratorie- och mätteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Medical Engineering Medical Laboratory and Measurements Technologies hsv//eng
- Psychology
- Psykologi
- Medical engineering
- Medicinsk teknik
- MEDICINE
Added entries (persons, corporate bodies, meetings, titles ...)
- Dahlman, JoakimLinköpings universitet,Rehabiliteringsmedicin,Tekniska högskolan(Swepub:liu)joada33 (author)
- Dukic, TaniaSwedish National Road and Transport, Research Institute, VTI, Gothenburg, Sweden (author)
- Bjällmark, AnnaKTH,Medicinsk teknik,School for Technique and Health, KTH, Stockholm, Sweden(Swepub:hj)bjaann (author)
- Larsson, MatildaKTH,Medicinsk teknik,School for Technique and Health, KTH, Stockholm, Sweden(Swepub:kth)u1kv408t (author)
- Linköpings universitetHälsouniversitetet (creator_code:org_t)
Related titles
- In:Perceptual and Motor Skills: Sage Publications106:3, s. 710-7240031-51251558-688X
Internet link
- http://www.ncbi.nlm.nih.gov/pubmed/18712192Link to article
- http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-15919Link to the Ph.D. Thesis
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-33267
- https://doi.org/10.2466/PMS.106.3.710-724
- https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-15915
- https://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-5581
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