JP2001029347A5 - - Google Patents
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- JP2001029347A5 JP2001029347A5 JP1999206121A JP20612199A JP2001029347A5 JP 2001029347 A5 JP2001029347 A5 JP 2001029347A5 JP 1999206121 A JP1999206121 A JP 1999206121A JP 20612199 A JP20612199 A JP 20612199A JP 2001029347 A5 JP2001029347 A5 JP 2001029347A5
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- ultrasonic
- black
- scanning
- white image
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- 230000005540 biological transmission Effects 0.000 description 8
- 239000000523 sample Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
Description
【特許請求の範囲】
【請求項１】
多数の振動子素子が配列されて多チャネルに形成され被検体に超音波を送受信する探触子と、この探触子に超音波送信信号を与えると共にこの探触子からの超音波受信信号を増幅し更に所定の遅延を与えて受波フォーカスをかける超音波送受信手段と、この超音波送受信回路からの出力信号に対しカラードプラ及びパワードプラの演算を行うカラー／パワー演算手段と、前記超音波送受信手段からの出力信号に対し白黒画像信号処理を行う白黒画像信号処理手段と、超音波走査からＴＶモニタの走査へ変換を行うカラー／パワー走査変換手段及び白黒画像走査変換手段と、これら走査変換手段からの信号を表示信号として表示する画像表示手段とを備えた超音波診断装置において、
関心領域内におけるドプラの反射強度信号及び白黒像輝度信号のうち少なくとも一方の信号成分とノイズ成分とを分けるしきい値を設定する手段と、
前記しきい値に基づいてノイズ成分を除去した前記関心領域内の信号成分を積分して積分波形を求める手段とを備え、
前記積分波形を前記画像表示手段に表示することを特徴とする超音波診断装置。
【請求項２】
前記しきい値を設定する手段は、前記信号成分と前記ノイズ成分とを階調に応じて分けることを特徴とする請求項１記載の超音波診断装置。
[Claims]
[Claim 1]
A probe in which a large number of transducer elements are arranged and formed into multiple channels to transmit and receive ultrasonic waves to a subject, and an ultrasonic transmission signal is given to this probe and an ultrasonic reception signal from this probe is sent. An ultrasonic transmission / reception means that amplifies and further gives a predetermined delay to apply a receiving focus, a color / power calculation means that calculates a color Doppler and a power Doppler on an output signal from this ultrasonic transmission / reception circuit, and the ultrasonic wave. Black-and-white image signal processing means that performs black-and-white image signal processing on the output signal from the transmission / reception means, color / power scanning conversion means and black-and-white image scanning conversion means that convert ultrasonic scanning to TV monitor scanning, and these scanning conversions. In an ultrasonic diagnostic apparatus provided with an image display means for displaying a signal from the means as a display signal,
A means for setting a threshold value for separating at least one signal component and a noise component of Doppler's reflection intensity signal and black-and-white image luminance signal in the region of interest.
A means for obtaining an integrated waveform by integrating the signal components in the region of interest from which noise components have been removed based on the threshold value is provided.
An ultrasonic diagnostic apparatus for displaying the integrated waveform on the image display means.
2.
The ultrasonic diagnostic apparatus according to claim 1, wherein the means for setting the threshold value separates the signal component and the noise component according to the gradation.
【０００６】
【課題を解決するための手段】
上記目的を達成するために、本発明は多数の振動子素子が配列されて多チャネルに形成され被検体に超音波を送受信する探触子と、この探触子に超音波送信信号を与えると共にこの探触子からの超音波受信信号を増幅し更に所定の遅延を与えて受波フォーカスをかける超音波送受信手段と、この超音波送受信回路からの出力信号に対しカラードプラ及びパワードプラの演算を行うカラー／パワー演算手段と、前記超音波送受信手段からの出力信号に対し白黒画像信号処理を行う白黒画像信号処理手段と、超音波走査からＴＶモニタの走査へ変換を行うカラー／パワー走査変換手段及び白黒画像走査変換手段と、これら走査変換手段からの信号を表示信号として表示する画像表示手段とを備えた超音波診断装置において、関心領域内におけるドプラの反射強度信号及び白黒像輝度信号のうち少なくとも一方の信号成分とノイズ成分とを分けるしきい値を設定する手段と、前記しきい値に基づいてノイズ成分を除去した前記関心領域内の信号成分を積分して積分波形を求める手段とを備え、前記積分波形を前記画像表示手段に表示する。前記しきい値を設定する手段は、前記信号成分と前記ノイズ成分とを階調に応じて分ける。
0006
[Means for solving problems]
In order to achieve the above object, the present invention provides a probe in which a large number of transducer elements are arranged and formed into multiple channels to transmit and receive ultrasonic waves to a subject, and an ultrasonic transmission signal is given to the probe. The ultrasonic transmission / reception means that amplifies the ultrasonic reception signal from this probe and further gives a predetermined delay to apply the received focus, and the color Doppler and power Doppler calculations for the output signal from this ultrasonic transmission / reception circuit. A color / power calculation means for performing, a black-and-white image signal processing means for performing black-and-white image signal processing on an output signal from the ultrasonic transmission / reception means, and a color / power scanning conversion means for converting ultrasonic scanning to TV monitor scanning. Of the Doppler reflection intensity signal and black-and-white image brightness signal in the region of interest in an ultrasonic diagnostic apparatus including black-and-white image scanning conversion means and an image display means for displaying signals from these scanning conversion means as display signals. A means for setting a threshold value for separating at least one signal component and a noise component, and a means for obtaining an integrated waveform by integrating the signal components in the region of interest from which the noise component has been removed based on the threshold value. The integrated waveform is displayed on the image display means. The means for setting the threshold value separates the signal component and the noise component according to the gradation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20612199A JP4473981B2 (en) | 1999-07-21 | 1999-07-21 | Ultrasonic diagnostic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20612199A JP4473981B2 (en) | 1999-07-21 | 1999-07-21 | Ultrasonic diagnostic equipment |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2001029347A JP2001029347A (en) | 2001-02-06 |
| JP2001029347A5 true JP2001029347A5 (en) | 2006-07-27 |
| JP4473981B2 JP4473981B2 (en) | 2010-06-02 |
Family
ID=16518150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20612199A Expired - Fee Related JP4473981B2 (en) | 1999-07-21 | 1999-07-21 | Ultrasonic diagnostic equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4473981B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4113702B2 (en) * | 2001-12-04 | 2008-07-09 | 株式会社東芝 | Ultrasonic diagnostic apparatus and ultrasonic signal analyzing apparatus |
| KR100969546B1 (en) | 2008-07-11 | 2010-07-12 | 주식회사 메디슨 | Ultrasound system for providing information of contrast agent |
| CN104287777B (en) * | 2014-10-17 | 2017-09-26 | 苏州佳世达电通有限公司 | Ultrasound scanning method and ultrasound scanning system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56145839A (en) * | 1980-04-15 | 1981-11-12 | Tokyo Shibaura Electric Co | Ultrasonic diagnosis apparatus |
| US5235984A (en) * | 1992-03-30 | 1993-08-17 | Hewlett-Packard Company | On-line acoustic densitometry tool for use with an ultrasonic imaging system |
| JPH0779981A (en) * | 1993-09-14 | 1995-03-28 | Toshiba Medical Eng Co Ltd | Ultrasonic diagnostic apparatus |
| JP3459304B2 (en) * | 1995-01-31 | 2003-10-20 | 株式会社東芝 | Ultrasound diagnostic equipment |
| JP3697292B2 (en) * | 1995-05-17 | 2005-09-21 | 株式会社東芝 | Ultrasonic diagnostic equipment |
| GB9708246D0 (en) * | 1997-04-24 | 1997-06-18 | Nycomed Imaging As | Improvements in or relating to ultrasound imaging |
-
1999
- 1999-07-21 JP JP20612199A patent/JP4473981B2/en not_active Expired - Fee Related
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