Ultrasound scan conversion method

Details Ultrasound scan conversion method Ultrasound scan conversion method

1997-06-27

1999-01-19

Kamm, William E.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

600447, 348442, A61B 0800

Patent

active

058609253

ABSTRACT:
A scan conversion method employing a graphical circle generator to calculate a circle having a predetermined radius in the raster domain. The resulting set of (x.sub.i y) points are assigned values from corresponding vector domain points using closest fit and interpolation methods. This process occurs for each value of r in the vector domain. Gaps in the pixel display resulting from quantization errors in the circle generation algorithm are accommodated via a gap interpolation method. In one embodiment, the Bresenham circle generator is employed.

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