SIMPLIFIED CONTROLS FOR IMPLEMENTING DEPTH-BASED GAIN CONTROL IN ULTRASOUND SYSTEMS
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United States of America Patent
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Issued Date -
Mar 12, 2009
app pub date -
Jan 23, 2008
filing date -
Jan 24, 2007
priority date (Note) -
Abandoned
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Abstract
An improved approach for implementing depth-based gain control is implemented by adjusting the gain at each depth in the image based on a family of stored curves, with each curve in the family specifying the gain adjustment for all depths as a function of depth. A user interface enables the user to select an entire curve at once (as opposed to the prior art approach of using a set of individually and independently adjustable gain controls for each depth range). The selected curve is then used to modify the gain adjustment provided by the default time gain compensation (TGC) curve.
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