	US 11,982,741 B2
	Methods and systems for processing an ultrasound image
Jun Seob Shin, Medford, MA (US); Francois Guy Gerard Marie Vignon, Andover, MA (US); Man Nguyen, Melrose, MA (US); and Jean-Luc Francois-Marie Robert, Cambridge, MA (US)
Assigned to KONINKLIJKE PHILIPS N.V., Eindhoven (NL)
Appl. No. 16/621,966
Filed by KONINKLIJKE PHILIPS N.V., Eindhoven (NL)
PCT Filed Jun. 8, 2018, PCT No. PCT/EP2018/065104 § 371(c)(1), (2) Date Dec. 12, 2019, PCT Pub. No. WO2018/228928, PCT Pub. Date Dec. 20, 2018.
Claims priority of provisional application 62/520,186, filed on Jun. 15, 2017.
Prior Publication US 2020/0191955 A1, Jun. 18, 2020
Int. Cl. G01S 15/89 (2006.01); G01S 7/52 (2006.01)

CPC G01S 15/8915 (2013.01) [G01S 7/52077 (2013.01); G01S 15/8977 (2013.01); G01S 15/8995 (2013.01)]

14 Claims

1. A method for generating an ultrasound image with improved lateral resolution, the method comprising:

obtaining channel data by way of an ultrasonic probe;

for each channel of the channel data, segmenting the channel data into segments based on an axial imaging depth of the channel data;

for each segment of the segmented channel data:

estimating an extrapolation filter based on the segmented channel data, the extrapolation filter having a filter order; and

extrapolating in an azimuthal direction, by an extrapolation factor, the segmented channel data based on the extrapolation filter, thereby generating extrapolated channel data in the azimuthal direction; and

summing the extrapolated channel data across all segments, thereby generating the ultrasound image.