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dc.contributor.authorBartie, Philen_UK
dc.contributor.authorReitsma, Femkeen_UK
dc.contributor.authorMills, Stevenen_UK
dc.description.abstractColor information is a useful attribute to include in a building’s description to assist the listener in identifying the intended target. Often this information is only available as image data, and not readily accessible for use in constructing referring expressions for verbal communication. The method presented uses a GIS building polygon layer in conjunction with street-level captured imagery to provide a method to automatically filter foreground objects and select pixels which correspond to building fac¸ades. These selected pixels are then used to define the most appropriate color term for the building, and corresponding fuzzy color term histogram. The technique uses a single camera capturing images at a high frame rate, with the baseline distance between frames calculated from a GPS speed log. The expected distance from the camera to the building is measured from the polygon layer and refined from the calculated depth map, after which building pixels are selected. In addition significant foreground planar surfaces between the known road edge and building fac¸ade are identified as possible boundarywalls and hedges. The output is a dataset of the most appropriate color terms for both the building and boundary walls. Initial trials demonstrate the usefulness of the technique in automatically capturing color terms for buildings in urban regions.en_UK
dc.publisherUniversity of Maineen_UK
dc.relationBartie P, Reitsma F & Mills S (2011) Building colour terms: A combined GIS and stereo vision approach to identifying building pixels in images to determine appropriate colour terms. Journal of Spatial Information Science, (2), pp. 59-83.;
dc.rightsThis work is licensed under a Creative Commons Attribution 3.0 License. Policy can be found at:
dc.subjectcomputer visionen_UK
dc.subjectstereo depth mappingen_UK
dc.subjectcolor termsen_UK
dc.subjectreferring expressionsen_UK
dc.subjectbuilding facadeen_UK
dc.subjectstructure from motionen_UK
dc.subjectwayfinding instructionsen_UK
dc.subjectcolor entropyen_UK
dc.titleBuilding colour terms: A combined GIS and stereo vision approach to identifying building pixels in images to determine appropriate colour termsen_UK
dc.typeJournal Articleen_UK
dc.citation.jtitleJournal of Spatial Information Scienceen_UK
dc.type.statusVoR - Version of Recorden_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
dc.contributor.affiliationUniversity of Canterburyen_UK
dc.contributor.affiliationUniversity of Otagoen_UK
rioxxterms.typeJournal Article/Reviewen_UK
local.rioxx.authorBartie, Phil|0000-0002-1139-0716en_UK
local.rioxx.authorReitsma, Femke|en_UK
local.rioxx.authorMills, Steven|en_UK
local.rioxx.projectInternal Project|University of Stirling|
Appears in Collections:Biological and Environmental Sciences Journal Articles

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