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Several "streaming"
image formats have been developed that facilitate high resolution
image distribution by using an image pyramid system. In these systems,
a low resolution image is initially downloaded. Zooming in on this
image, brings in additional image data to create a higher resolution
image in the zoomed region. Zooming further, or panning the image
brings in additional data as needed. This dialog between client
and server means that only the image data that is needed is downloaded,
speeding download times while permitting high resolution viewing.
We have used one of these commercially available systems, "Zoomify"
to produce high resolution anatomical VR objects which can be effectively
viewed over limited bandwidth connections.
For more information
visit Zoomify.com
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