Cumincad : CUMINCAD Papers : Search Results

CumInCAD is a Cumulative Index about publications in Computer Aided Architectural Design
supported by the sibling associations ACADIA, CAADRIA, eCAADe, SIGraDi, ASCAAD and CAAD futures

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_id	ascaad2009_tomohiro_fukuda
id	ascaad2009_tomohiro_fukuda
authors	Fukuda, Tomohiro
year	2009
title	Analysis of a Mixed Reality Display for Outdoor and Multi-User Implementation
source	Digitizing Architecture: Formalization and Content [4th International Conference Proceedings of the Arab Society for Computer Aided Architectural Design (ASCAAD 2009) / ISBN 978-99901-06-77-0], Manama (Kingdom of Bahrain), 11-12 May 2009, pp. 323-333
summary	This research describes a tool which can be used outdoors instead of a paper medium by a group of people to facilitate city tour guiding or design studies. First, the problems of the device and software which constitute the developed outdoor type MR (Mixed Reality) system were considered. Problems regarding the display, sensor, and composition with video and 3DCG images were clarified. In addition, taking account of the problem that the display is dark outdoors, the luminosity of a number of displays was measured in a dark room and outdoors. In addition to the dark room contrast ratio, the importance of ambient contrast was highlighted through the experiment.
series	ASCAAD
email
last changed	2009/06/30 08:12

_id	ijac20097107
id	ijac20097107
authors	Hadjimitsis, D.G.; Themistocleous, K.; Agapiou, A.; Clayton, C.R.I.
year	2009
title	Monitoring Archaeological Site Landscapes in Cyprus using Multi-temporal Atmospheric Corrected Image Data
source	International Journal of Architectural Computing vol. 7 - no. 1, 121-138
summary	This paper aims to examine the use of satellite remote sensing for monitoring archaeological and more generally cultural heritage sites. For this purpose, multi-temporal data from Landsat 5 TM, Landsat 7 ETM+ and Quickbird images were applied. The paper also discusses the importance of atmospheric correction at the pre-processing step in order to determine true surface reflectance values by removing these effects from satellite images. Atmospheric correction is arguably the most important part of the pre-processing of satellite remotely sensed data and any omission produces erroneous results. The effects of the atmosphere are more severe where dark targets are shown in the satellite image. In the management of cultural heritage sites, since temporal satellite images are required for monitoring purposes, the effect of the atmosphere must be considered. In-situ spectro-radiometric measurements using the GER1500 field spectro-radiometer have been used to assess the reflectance values found after applying the darkest pixel atmospheric correction to the image data. The study area consist the Amathus archaeological site in Limassol and the Nea Paphos archaeological site area located in Paphos district area in Cyprus. Vegetation Index (NDVI) change detection algorithm has been applied to a series of thirteen Landsat TM/ETM+ images of Amathus archaeological site in Limassol. Classification and extraction algorithms have been applied to Landsat TM and Quickbird high resolution images of Nea Paphos archaeological site area.
series	journal
last changed	2009/06/23 08:07

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