Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Patent
1998-04-24
2000-04-11
Jaworski, Francis J.
Surgery
Diagnostic testing
Detecting nuclear, electromagnetic, or ultrasonic radiation
A61B 800
Patent
active
060483113
ABSTRACT:
A method and an apparatus for improving the contrast of the displayed image data in a B-mode ultrasound imaging system. An adaptive gray mapping is based on the actual raw imaging data instead of assumptions about that raw data. The user specifies a region of the image (or the entire image) with a graphical region-of-interest (ROI) marker. When prompted by the user, a software program in the master controller analyzes the raw data within the ROI and constructs a new gray map based upon the analyzed data. This mapping can be created by transforming an old gray map or by generating a new gray map. This new gray map is then used by the ultrasound system during imaging. Optimum contrast is achieved by automatically adjusting the brightness and contrast levels of the image based on the values of the raw data.
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Hatfield William Thomas
Mahan Susan Thayer
Washburn Michael J.
Cabou Christian G.
Flaherty Dennis M.
Jaworski Francis J.
Price Phyllis Y.
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