Wide dynamic range vector data raster display

Details Wide dynamic range vector data raster display Wide dynamic range vector data raster display

2007-03-06

2007-03-06

Pihulic, Dan (Department: 3662)

Computer graphics processing and selective visual display system

Computer graphics processing

Graph generating

Statutory Invention Registration

active

10917908

ABSTRACT:
A wide dynamic range vector data raster display of a waveform image is obtained by using a small matrix of pixels from a source frame buffer containing waveform image data to calculate a value for each pixel on a target display. Any of several algorithms may be used for this transform function, such as the unsharp masking (USM) algorithm used in digital photography. This results in increasing the dynamic range of the displayed waveform image over simple pixel-by-pixel intensity mapping.

REFERENCES:
patent: 2004/0227773 (2004-11-01), Hier et al.
“Gradient Domain High Dynamic Range Compression” by Raanan Rattal, et al., http://www.cs.hji.ac.il/%7Ewerman/Papers/hdrc.pdf.
“Image Enhancement via HDR Compression” http://www.cs.huji.ac.il/˜danix/hdr/enhancement.html.
“High Dynamic Range Compression Results” http://www.cs.huji.ac.il/˜danix/hdr/results.html.

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