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Speed perception affected by field of view: Energy-based versus rhythm-based processing
Swedish National Road and Transport Research Institute; Linköping University, Sweden.
Karlstads universitet, Fakulteten för humaniora och samhällsvetenskap (from 2013), Institutionen för sociala och psykologiska studier (from 2013).
Swedish National Road and Transport Research Institute, Sweden.
2019 (Engelska)Ingår i: Transportation Research Part F: Traffic Psychology and Behaviour, ISSN 1369-8478, E-ISSN 1873-5517, Vol. 65, s. 227-241Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Two experiments were carried out to test speed perception dependency on field of view (FoV), virtual road markings (VRMs), and presentation orders. The primary purpose was to examine how the extent of the optic flow (foremost peripherally–vertically) informs the driver about egospeed. A second purpose was to examine different task demands and stimulus characteristics supporting rhythm-based versus energy-based processing. A third purpose was to examine speed changes indicative of changes in motion sensitivity. Participants were tested in a car simulator, with FoV resembling low front-door windows, and with VRMs inside the car. Three main results were found. Larger FoV, both horizontally and peripherally–vertically, significantly reduced participants' speed, as did VRMs. Delineator posts and road center lines were used for participants' rhythm-based processing, when the task was to drive at target speeds. Rich motion-flow cues presented initially resulted in lower egospeed in subsequent conditions with relatively less motion-flow cues. The practical implication is that non-iconic, naturalistic and intuitive interfaces can effectively instill spontaneous speed adaptation in drivers.

Ort, förlag, år, upplaga, sidor
Elsevier, 2019. Vol. 65, s. 227-241
Nyckelord [en]
Egospeed, Field of view, Optic flow, Speed perception, Velocity estimation, Optical flows, Road and street markings, Roads and streets, Car simulator, Field of views, Intuitive interfaces, Speed change, Target speed, Speed
Nationell ämneskategori
Psykologi
Forskningsämne
Psykologi
Identifikatorer
URN: urn:nbn:se:kau:diva-75691DOI: 10.1016/j.trf.2019.07.016Scopus ID: 2-s2.0-85070488276OAI: oai:DiVA.org:kau-75691DiVA, id: diva2:1369670
Tillgänglig från: 2019-11-12 Skapad: 2019-11-12 Senast uppdaterad: 2020-01-17Bibliografiskt granskad

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