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The demos below use
Polynomial Texture Maps (PTMs) which are
captured under varying lighting conditions. These demos use a Java Applet that
was written by
Clifford Lyon to display PTMs interactively on the web. A stand-alone
program with further functionality can also be downloaded from the
HPL PTM download page.
Click on the above images to bring up the Java PTM viewer for controlling
lighting. This may take a few seconds, so be patient. If it fails to run, you
need to download the Java
Runtime Environment.
Once running, dragging the mouse with the left button
pressed will change lighting direction. Right clicking will bring up further
options, such as the two
reflectance transformation effects, specular enhancement and
diffuse gain. Further Java-based Image Relighting examples can be found at
HP's Anitkythera
Relighting Page and Cultural Heritage Imaging's
PTM demo page. To create your own PTMs, refer to the
reflectance imaging page.
» Tom
Malzbender
» Dan
Gelb
* Tombstone image courtesy of Gene Shull, Greaveyard
Preservation Society
* Cuneiform tablet image courtesy of Dr. Bruce Zuckerman,
USC.
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