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Title
New perspectives to save cultural heritage
Author
Altan, M. Orhan

CIPA 2003 XIX 11 ' International Symposium, 30 September-04 October, 2003, Antalya, Turkey
3. RESULTS
The following figures illustrate the results of the adoption of the
VHD++ framework for the rapid creation of the immersive VR
application prototype. A Christie Mirage 1000 wall projector
was used to provide both active and passive stereo projection,
as VHD++ supports sequential stereo rendering (viewed with
either shutter or polarised glasses). Thus the immersive aspect
of the VR simulation was ensured. The final VR application
was executed in a PC system, rendering real-time environments
ranging from 60k to 400k polygons, lOk-polygons humans with
deformable skins, while running on a Win 2000, 2GB RAM,
Pentium 1.5GHz, with NVIDIA Quadro 4 980XGL graphics
card, yielding 25fps performance.
Figure 3 S.Sergius & Bacchus Ottoman Mosque
Figure 4 S.Sergius & Bacchus Byzantine Church
Figure 5 Hagia Sophia Ottoman Mosque
Figure 6 Hagia Sophia Byzantine Church
Figure 7 S.Sergius & Bacchus Mosque with real-time
virtual Imam in recreated Namaz Pray
Figure 8 S.Sergius & Bacchus Mosque with a group of
virtual characters
4. CONCLUSIONS
We are living in a world in which the arts, sciences and
technology are becoming inextricably integrated strands in a
new emerging cultural fabric [Coyne]. Our knowledge of
ourselves expands with the advent of new technologies that
provide new tools for both communication and expression as
well as a social context for daily experiences. Culture is in its
broader sense a ‘product’ of our everyday life and experiences
[Salzburg Research], The actual records of culture are
constituted from performances to artefacts that have been
created in a persistent manner but inevitable decay. That is
depicted in the notion of cultural heritage where it consists of
what is called “Tangible Heritage” such as buildings, artefacts
and media as well as the “Intangible Heritage” containing art
expressions (music, dance, literature etc.), languages, folklore
etc. Michael Chrichton in his novel Timeline [Chrichton] gives
an example of a social context of the future where time travel to
the past can be a unique mean of actually feeling experiences
characterised by both pathos 1 and ethos 2 , integral connotations
of the term cultural heritage.
Virtual restitution of highly complex heritage sites requires
accurate choices for each phase of the modelling, texturing or
lighting processes and special attention must be used when the
1 Pathos: 1. that quality in speech, writing, music, or artistic
representation (or in events, circumstances, persons, etc.),
which excites a feeling of pity or sadness... 2. In reference to
art, esp. ancient Greek art: The quality of the transient or
emotional, as opposed to the permanent or ideal. Source:
Oxford English Dictionary
2 Ethos: 1. the characteristic spirit, prevalent tone of sentiment,
of a people or community; the ‘genius’ of an institution or
system. 2. In reference to ancient æsthetic criticism and
rhetoric. Aristotle's statement that Polygnotus excelled all other
painters in the representation of ‘ethos’ app. meant simply that
his pictures expressed ‘character’; but as Aristotle elsewhere
says that this painter portrayed men as nobler than they really
are, some modern writers have taken ethos to mean ‘ideal
excellence.’... Source: Oxford English Dictionary