Diagnostic ultrasonic imaging system having run extracting means

Details Diagnostic ultrasonic imaging system having run extracting means Diagnostic ultrasonic imaging system having run extracting means

1997-04-11

1998-10-06

Lateef, Marvin M.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

128916, A61B 800

Patent

active

058170197

ABSTRACT:
Data provided by sound rays acquired by performing spiral scanning using ultrasonic waves is converted into image data through polar coordinate transformation. Data of slices is displayed and scanned along each scanning line from a start point of scanning lines to a far point. A point closest to the start point of scanning lines is extracted from each run of consecutive points at which luminance values exceed a threshold while a run of points having an unacceptable length is eliminated as a noise. Thus, the surface of an object is extracted.

REFERENCES:
patent: 5413106 (1995-05-01), Fujita et al.
patent: 5454371 (1995-10-01), Fenster et al.
patent: 5497776 (1996-03-01), Yamazaki et al.

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