Methods and systems for remotely visualizing images

Image analysis – Image compression or coding

Reexamination Certificate

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Reexamination Certificate

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08064708

ABSTRACT:
A method for remotely visualizing an image on a client includes the steps of rendering a 2D image from image data on a server, applying a 2D wavelet transform to the 2D image on the server to generate a plurality of sub-bands, identifying code blocks of the sub-bands that correspond to a region of interest in the 2D image on the server, compressing a number of bit planes of each code block using one of a plurality of coding techniques on the server based on the number of bit planes to generate compressed codes, sending the compressed codes from the server to the client, and visualizing a new 2D image on the client using the received compressed codes.

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Simon Stegmaier, Joachim Diepstraten, Manfred Weiler, Thomas Ertl, “Widening the Remote Visualization Bottleneck”, Proceedings of the 3rd International Symposium on Image and Signal Processing and Analysis (2003), pp. 174-179.
Simon Stegmaier, Marcelo Magallon and Thomas Ertl, “A Generic Solution for Hardware-Accelerated Remote Visualization”, Joint Eurographics—IEEE TCVG Symposium on Visualization (2002), pp. 87-94.

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