公开(公告)号：DE69424636T2

公开(公告)日：2001-01-25

申请号：DE69424636

申请日：1994-12-29

Applicant: ADVANCED TECH LAB

Inventor： ROBINSON BRENT STEPHEN ,  COOLEY CLIFFORD R ,  HWANG JUIN-JET ,  ENTREKIN ROBERT R

IPC: G01S7/52 ,  G01S15/89

Abstract: The ultrasonic diagnostic imaging system scans an image region to receive a number of spatially arranged lines of ultrasonic image information signals. The ultrasonic line information signals are used in an interpolater to interpolate one or more lines which are spatially interlineated between each pair of spatially adjoining received lines. The interpolated lines are produced using either the received RF or demodulated IF ultrasonic image information signals. The interpolated lines are produced prior to scan conversion, and preferably prior to nonlinear processing such as detection or log compression to reduce spatial aliasing artifacts. Pref the interpolater comprises a transversal filter of four taps which is responsive to received line information signals from a common range or depth or the interpolater may be adaptively responsive to motion to select samples for interpolation which would be spatially at the same range in the absence of motional effects.

公开(公告)号：AT193380T

公开(公告)日：2000-06-15

申请号：AT94309910

申请日：1994-12-29

Applicant: ADVANCED TECH LAB

Inventor： ROBINSON BRENT STEPHEN ,  COOLEY CLIFFORD R ,  HWANG JUIN-JET ,  ENTREKIN ROBERT R

IPC: G01S7/52 ,  G01S15/89

Abstract: The ultrasonic diagnostic imaging system scans an image region to receive a number of spatially arranged lines of ultrasonic image information signals. The ultrasonic line information signals are used in an interpolater to interpolate one or more lines which are spatially interlineated between each pair of spatially adjoining received lines. The interpolated lines are produced using either the received RF or demodulated IF ultrasonic image information signals. The interpolated lines are produced prior to scan conversion, and preferably prior to nonlinear processing such as detection or log compression to reduce spatial aliasing artifacts. Pref the interpolater comprises a transversal filter of four taps which is responsive to received line information signals from a common range or depth or the interpolater may be adaptively responsive to motion to select samples for interpolation which would be spatially at the same range in the absence of motional effects.

公开(公告)号：DE69424636D1

公开(公告)日：2000-06-29

申请号：DE69424636

申请日：1994-12-29

Applicant: ADVANCED TECH LAB

Inventor： ROBINSON BRENT STEPHEN ,  COOLEY CLIFFORD R ,  HWANG JUIN-JET ,  ENTREKIN ROBERT R

IPC: G01S7/52 ,  G01S15/89

Abstract: The ultrasonic diagnostic imaging system scans an image region to receive a number of spatially arranged lines of ultrasonic image information signals. The ultrasonic line information signals are used in an interpolater to interpolate one or more lines which are spatially interlineated between each pair of spatially adjoining received lines. The interpolated lines are produced using either the received RF or demodulated IF ultrasonic image information signals. The interpolated lines are produced prior to scan conversion, and preferably prior to nonlinear processing such as detection or log compression to reduce spatial aliasing artifacts. Pref the interpolater comprises a transversal filter of four taps which is responsive to received line information signals from a common range or depth or the interpolater may be adaptively responsive to motion to select samples for interpolation which would be spatially at the same range in the absence of motional effects.