Ultrasonic image construction method, apparatus and signal-processing method

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United States of America Patent

PATENT NO 11580638
APP PUB NO 20210150709A1
SERIAL NO

17097086

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Abstract

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This invention provides a signal-processing method that makes it possible to acquire, relatively easily and surely, a highly reliable normalized impulse-response signal without relying on the signal-correction processing after normalization. The signal-processing method of this invention includes a low-frequency extraction step, a high-frequency extraction step and a synthesizing step. In the low-frequency extraction step, only the low-frequency component is extracted from the spectrum of the first normalized signal NS1 obtained by normalizing the target signal Stgt in the time domain. In the high-frequency extraction step, only the high-frequency component is extracted from the spectrum of the second normalized signal NS2 obtained by normalizing the target signal Stgt in the frequency domain using the reference signal Sref. In the synthesizing step, the low-frequency component, derived from the first normalized signal NS1, and the high-frequency component, derived from the second normalized signal NS2, are synthesized to obtain a normalized impulse-response signal NS.

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Patent Owner(s)

Patent OwnerAddress
HONDA ELECTRONICS CO LTD20 OYAMAZUKA OIWA-CHO TOYOHASHI-SHI AICHI 441-3193
NATIONAL UNIVERSITY CORPORATION TOYOHASHI UNIVERSITY OF TECHNOLOGY1-1 HIBARIGAOKA TEMPAKU-CHO TOYOHASHI-SHI AICHI 441-8580

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hozumi, Naohiro Aichi, JP 5 7
Kobayashi, Kazuto Aichi, JP 162 1395

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