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Ultrasonic diagnostic apparatus, ultrasonic image processing apparatus, and ultrasonic image processing method

A diagnostic device and image processing technology, applied in echo tomography, organ movement/change detection, etc., can solve the problems of no specific proposal, unfavorable high-speed processing, etc.

Active Publication Date: 2009-07-01
TOSHIBA MEDICAL SYST CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, after the scan conversion process, many pixels must be processed for high resolution, which is disadvantageous for speeding up the processing.
Furthermore, the above-mentioned prior art has no specific proposal for the case where the ultrasonic image data is volume data.

Method used

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  • Ultrasonic diagnostic apparatus, ultrasonic image processing apparatus, and ultrasonic image processing method
  • Ultrasonic diagnostic apparatus, ultrasonic image processing apparatus, and ultrasonic image processing method
  • Ultrasonic diagnostic apparatus, ultrasonic image processing apparatus, and ultrasonic image processing method

Examples

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Embodiment 1

[0021] Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, in the following description, the same code|symbol is attached|subjected to the structural element which has substantially the same function and structure, and it repeats description only when necessary.

[0022] figure 1 A block configuration diagram of the ultrasonic diagnostic apparatus 1 of the present embodiment is shown. As shown in the figure, this ultrasonic diagnostic apparatus 1 includes an ultrasonic probe 12, an input device 13, a monitor 14, an ultrasonic transmitting unit 21, an ultrasonic receiving unit 22, a B-mode processing unit 23, a Doppler processing unit 24, a scan conversion 25, a small speckle removal processing unit 26, a control processor (CPU) 28, an internal storage unit 29, and an interface unit 30. Hereinafter, the function of each component will be described.

[0023] The ultrasonic probe 12 has: a plurality of piezoelectric ...

Embodiment 2

[0070] In Embodiment 1, an example of performing small speckle removal processing on two-dimensional image data (raw data) was shown. On the other hand, a case where the ultrasonic diagnostic apparatus 1 of this embodiment executes small speckle removal processing on three-dimensional volume data (raw data) will be described.

[0071] Figure 4 It is a diagram showing the configuration of the ultrasonic diagnostic apparatus 1 of the present embodiment. in with figure 1 In the case of comparison, there are differences in the following points: a volume data generation unit 31 is also provided; and the small speckle removal processing unit 26 performs small speckle removal processing on volume data from the volume data generation unit 31 .

[0072] The volume data generation unit 31 generates B-mode volume data using the B-mode image data received from the B-mode processing unit 23 . Also, the volume data generation unit 31 generates Doppler mode image volume data using the Do...

Embodiment 3

[0079] As described above, Embodiment 2 shows an example in which the present invention is applied to 3D volume data before 3D image processing, but thereafter, as Embodiment 3, an example in which the present invention is applied to 3D display after 3D image processing is shown. .

[0080] In Embodiment 2, an example of performing small speckle removal processing on B-mode volume data before 3D image processing is shown. On the other hand, a description will be given of a case where the ultrasonic diagnostic apparatus 1 of this embodiment executes small speckle removal processing on image data after three-dimensional image processing.

[0081] Figure 6 It is a diagram showing the configuration of the ultrasonic diagnostic apparatus 1 of the present embodiment. in with Figure 4 In the case of comparison, there are differences in the following points: a volume data generation unit 31 is also provided;

[0082] Figure 7 It is a diagram showing an example of a format in w...

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PUM

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Abstract

Multiresolution decomposition of image data before scan conversion processing is hierarchically performed, low-frequency decomposed image data and high-frequency decomposed image data with first to n-th levels are acquired, nonlinear anisotropic diffusion filtering is performed on output data from a next lower layer or the low-frequency decomposed image data in a lowest layer, and filtering for generating edge information on a signal for every layer is performed from the output data from the next lower layer or the low-frequency decomposed image data in the lowest layer. In addition, on the basis of the edge information on each layer, a signal level of the high-frequency decomposed image data is controlled for every layer and multiresolution mixing of the output data of the nonlinear anisotropic diffusion filter and the output data of the high-frequency level control, which are obtained in each layer, are hierarchically performed.

Description

technical field [0001] The present invention relates to an ultrasonic diagnostic device, an ultrasonic image processing device, and an ultrasonic image processing method that transmit ultrasonic waves into a subject and obtain diagnostic information in the subject based on reflected waves from the subject, and particularly relates to small data contained in image data. Speckle removal. Background technique [0002] In ultrasonic diagnosis, the pulse of the heart and the movement of the fetus can be displayed in real time by a simple operation of attaching an ultrasonic probe to the body surface, and the safety is high, so repeated examinations can be performed. In addition, the scale of the system is smaller than that of other diagnostic equipment such as X-ray, CT, and MRI, and it can be easily performed on the bedside for inspection, which can be said to be a simple diagnostic method. Ultrasonic diagnostic equipment used in this ultrasonic diagnosis differs depending on t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/14
CPCA61B8/08
Inventor 大住良太佐藤武史
Owner TOSHIBA MEDICAL SYST CORP
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