VOLSTREAM

Remote visualization of volume data


Contexte

Volstream is a library for displaying remotely huge volume data on PCs or mobile
handsets in a client-server architecture. Compressed, data lossy or lossless, are
streamed on demand over the networks. With the last state of the art Codec
based on vector quantization, its performance allows to handle multi-terabyte
images with an excellent interactivity. The user is able to navigate inside the
volume, increase the resolution, or change the quality up to a display without
loss. Movements, changes in resolution or quality are streamed continuously. The
data is not partitioned, avoiding visual artifacts or abrupt resources consumption.
An highly parallel implementation of the decompression on graphic card, closer
to the display, save bandwidth in networks, buses, memories and all the
resources upstream of visualization. Data transfers are managed by the user
interaction, allowing the server to stream the just amount of compressed data
needed for the visualization. This makes possible an “out-of-core” process, able
to display volume data much more heavier than the client resources. The
networked mobiles and tablets can take full advantage of this innovation, which
greatly reduces the data transmitted from servers to the last stage of the
display.

Points forts

  • Better performance vs bitrates
  • Better quality vs bitrates
  • On-demand data transfer
  • Out-of-core visualization capabilities
  • Adaptive resolution regarding performance and hardware resources

Applications

This technology applies directly to volume data image visualization,
particularly in a mobility situations

  •  Medical data visualization,
  • Scientific visualization,
  • Remote sensing,
  • Seismic data visualization

En savoir plus sur cette technologie

Axes & sous-axes :
Analyse massive de données, Société de l'information connectée

Etat Propriété Intellectuelle :
Brevet

Partenariats :
Licence dans tous les domaines d'application. (propositions de R&D également bienvenues).

Propriétaires :
Université Nice Sophia Antipolis, CNRS

Maturité :