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Effects of lighting phenomena on per...

Bojrab, Micah L.

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Effects of lighting phenomena on perceived realism of rendered water-rich virtual environments.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Effects of lighting phenomena on perceived realism of rendered water-rich virtual environments./
作者:	Bojrab, Micah L.
面頁冊數:	87 p.
附註:	Source: Masters Abstracts International, Volume: 49-01, page: 0043.
Contained By:	Masters Abstracts International49-01.
標題:	Multimedia Communications. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1479829
ISBN:	9781124158976

Effects of lighting phenomena on perceived realism of rendered water-rich virtual environments.
Bojrab, Micah L.

Effects of lighting phenomena on perceived realism of rendered water-rich virtual environments. - 87 p.

Source: Masters Abstracts International, Volume: 49-01, page: 0043.

Thesis (M.S.)--Purdue University, 2010.

This study investigates the effects of various common lighting phenomena on human perception found in water-rich virtual environments. The investigation uses a traditional Psychophysical Analysis (PPA) to examine viewer perception of these lighting phenomena as they relate to rendering cost and reveals common trends in perceptual value among the phenomena. The work includes the use of a web-based testing system, proposed for the first time in familiar literature. The system includes five scenes with eight common lighting variables. Every scene depicts a different water scenario, but each shows every lighting phenomenon. The animated videos are rated in order of realism while one lighting variable is changed. The results of this PPA are then compared against the individual cost of each lighting phenomenon and an overall value is derived.

ISBN: 9781124158976Subjects--Topical Terms:

1057801
Multimedia Communications.

Effects of lighting phenomena on perceived realism of rendered water-rich virtual environments.
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500 $a Adviser: Bedrich Benes.
502 $a Thesis (M.S.)--Purdue University, 2010.
520 $a This study investigates the effects of various common lighting phenomena on human perception found in water-rich virtual environments. The investigation uses a traditional Psychophysical Analysis (PPA) to examine viewer perception of these lighting phenomena as they relate to rendering cost and reveals common trends in perceptual value among the phenomena. The work includes the use of a web-based testing system, proposed for the first time in familiar literature. The system includes five scenes with eight common lighting variables. Every scene depicts a different water scenario, but each shows every lighting phenomenon. The animated videos are rated in order of realism while one lighting variable is changed. The results of this PPA are then compared against the individual cost of each lighting phenomenon and an overall value is derived.
520 $a The study shows there is a unique order of importance for lighting phenomena in water-rich virtual environments. The results of the PPA show trends in perceptual quality and that not all lighting phenomena are equal. The testing will also show the cost of each phenomenon is not equal. The study concludes with general guidelines while rendering water-rich scenes.
520 $a In future work this "order" can be used to reduce expensive rendering costs associated with these complex scenes with less expense to visual quality. A collective goal to this work and others is real-time interactive water with plausible or ultimately photorealistic results.
590 $a School code: 0183.
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