Ultrasound image focusing method and relative ultrasound system

Details Ultrasound image focusing method and relative ultrasound system Ultrasound image focusing method and relative ultrasound system

2006-08-15

2006-08-15

Jaworski, Francis J. (Department: 3737)

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

Reexamination Certificate

active

07090641

ABSTRACT:
The method comprises the phases of: sending a series of excitation ultrasonic signals to a volume being investigated, by means of an array of transducers aligned in a transverse direction (x), said ultrasonic signals propagating in depth in said volume according to a direction of propagation (y); acquiring, by means of said transducers, signals reflected from reflectors located in the volume being investigated; performing on said reflected signals a transform in the transverse direction from a spatial domain (x,y), defined by said transverse direction (x) and by said direction of propagation (y), to a first transformed domain; applying, in the transformed domain, a two-dimensional transformation, to straighten every curved image (Ip1, Ip2, Ip3) of a reflector in said volume being investigated and make it essentially orthogonal to the direction of propagation (y); compressing, in the transverse direction (x) each of the straightened curves (Im1, Im2, Im3) to concentrate said straightened image in a zone centered at the level of the position of said reflector along said transverse direction (x).

REFERENCES:
patent: 5793703 (1998-08-01), Shippey
patent: 5935068 (1999-08-01), Zhu et al.
patent: 6608585 (2003-08-01), Benitz
patent: 6704438 (2004-03-01), Alexandru

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