Computer graphics processing and selective visual display system – Computer graphics processing – Graph generating
Reexamination Certificate
2006-07-18
2006-07-18
Tung, Kee M. (Department: 2671)
Computer graphics processing and selective visual display system
Computer graphics processing
Graph generating
Reexamination Certificate
active
07079140
ABSTRACT:
A diagnostic device has a modality for generating raw data representing contents of a volume, a computer for calculating three-dimensional medical images from the raw data, an image system, an input device for setting a transfer function required for an algorithm and a display device for the medical images. The image system determines a histogram distribution of the gray-scale values, and the image system inserts user interface graphics into the displayed image which shows the histogram distribution of the gray-scale values in a histogram window and symbolically represents a trapezoidal transfer function on which values characterizing input fields for transfer functions are arranged at the associated points. A transfer function is on the basis of entries in the input fields and the selected transfer function is inserted in the histogram distribution of the gray-scale values.
REFERENCES:
patent: 6701000 (2004-03-01), Hsieh
Konig et al., “Mastering Transfer Function Specification by using VolumePro Technology”, Mar. 29, 2000, pp. 1-7.
“Volume Rendering,” Drebin et al., Computer Graphics, vol. 22, No. 4, Aug. 1988, United States patent practice. 65-74.
“Semi-Automatic Generation of Transfer Functions for Direct Volume Rendering,” Kindlmann et al. Proc. of the Symp. On Volume Visualization '98 (1988) pp. 79-86.
“Image-Based Transfer Function Design for Data Exploration in Volume Visualization,” Fang et al., Proc. of the Symp. on Vol. Visualization '98 (1998), pp. 319-326.
Boehler Bert
Knapheide Claus
Platz Axel
Weyermann Bernhard
Pappas Peter-Anthony
Schiff & Hardin LLP
Siemens Aktiengesellschaft
Tung Kee M.
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