Title:
FILTER ASSEMBLY FOR ULTRASOUND IMAGE SIGNAL, BEAM FOCUSING APPARATUS USING SAME, AND BEAM FOCUSING METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2019/108012
Kind Code:
A1
Abstract:
A beam focusing method according to an embodiment of the present invention comprises the steps of: compensating for a coarse delay by fetching data from a memory, in which received ultrasound signal data is sequentially stored, with reference to a coarse delay address; determining data, which has been coarse-delayed in the process of being fetched from the memory, as an input group according to a variable decimation ratio; selecting, by a shift register, a filter coefficient group having a phase corresponding to a fine delay error of the input group; compensating for a fine delay time by supplying the selected filter coefficient group and the input group to a partial-sum computational-body including a multiplier-accumulator (MAC); and calculating a beam focusing result by adding output values of all channels provided with partial-sum computational-bodies.
Inventors:
SONG TAI-KYONG (KR)
KIM PILSU (KR)
JUNG WOOJIN (KR)
KIM PILSU (KR)
JUNG WOOJIN (KR)
Application Number:
PCT/KR2018/015079
Publication Date:
June 06, 2019
Filing Date:
November 30, 2018
Export Citation:
Assignee:
UNIV SOGANG RES FOUNDATION (KR)
International Classes:
A61B8/00
Foreign References:
| KR20110022440A | 2011-03-07 | |||
| JP2007135810A | 2007-06-07 | |||
| KR20160070604A | 2016-06-20 | |||
| KR101581686B1 | 2015-12-31 | |||
| KR20010111339A | 2001-12-17 |
Attorney, Agent or Firm:
CHUNG HYUN PATENT & LAW FIRM (KR)
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