Method for adjusting plot ratio based on ultrasonic hardware

A volume ratio, hardware technology, applied in ultrasonic/sonic/infrasonic diagnosis, ultrasonic/sonic/infrasonic Permian technology, ultrasonic/sonic/infrasonic image/data processing, etc., can solve the problem of reducing angle scanning speed, angle step It can improve the display refresh rate, reduce the hardware processing time, and maintain the positioning accuracy.

Active Publication Date: 2021-10-19
JIANGSU TINGSN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The problems of the above two methods: increase the angle scanning speed, the angle step is smaller, and the positioning is more accurate, but the increased number of 2D slices will make the display refresh slower; reduce the angle scan speed, although the reduced number of 2D slices will make the display refresh Faster, but less precise positioning

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] The present invention will be described in detail below in conjunction with examples.

[0020] SLN_Phy (number of physical scan lines), Fs (sampling clock), N (sampling resolution), DataRate (data transfer rate), Thard (time consumed at the hardware level), Tsoft (time consumed at the software level), Vol_Rate (3D image Display refresh rate on the screen), Depth (distance), V (acoustic physical quantity).

[0021] The 2D section data displayed on the screen is spliced ​​by scanning lines one by one, and the more scanning lines are displayed, the more delicate the 2D image will be.

[0022] The display scan line is processed by the software algorithm from the physical scan line. Define the number of display scan lines as SLN_Dis, the number of physical scan lines as SLN_Phy, and the scan line gain as SLN_Gain, then:

[0023] SLN_Dis = SLN_Phy * SLN_Gain

[0024] The physical scan line of the ultrasound equipment is generated by sampling data driven by a clock. If the ...

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PUM

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Abstract

The invention provides a method for adjusting a plot ratio based on ultrasonic hardware. The method comprises the following steps: S01, when software issues a target plot ratio to a main control chip, calculating an extreme point, an upper limit range and a lower limit range of the plot ratio by a main control chip under the change of a plurality of hardware parameters according to a formula and a default initial value; S02, arranging the plot ratio results obtained in the step S01 according to the plot ratio from small to large, and recording and storing the plot ratio results together with hardware parameters corresponding to each plot ratio in a hardware cache chip; and S03, realizing the required plot ratio by adjusting hardware parameters. According to the invention, the intelligent method for realizing the 3D image multi-plot ratio by automatically adjusting the data volume and time consumption of the image through hardware is realized. According to the method, hardware processing time is shortened, intelligent and variable plot ratio is achieved, an external scanning device is not changed, the positioning precision of an ablation catheter can be maintained, and the display refresh rate of a 3D image can be increased.

Description

technical field [0001] The invention belongs to the technical field of micro-ultrasonic detection, and relates to an intelligent ultrasonic hardware system with multiple volume ratios. Background technique [0002] The ultrasound host acquires ICE probe data and converts it into a 2D section image of human tissue; every time the ICE catheter rotates an angle, the host generates a 2D section image; the 3D reconstruction module restores and reconstructs all 2D section images into 3D images of human tissue body imaging. [0003] In ablation surgery, the 3D module is responsible for the reconstruction of the three-dimensional structure of tissues (heart, blood vessels) in the body, as well as the position tracking and display of the ablation catheter in the above-mentioned 3D body structure; the refresh rate of the three-dimensional structure of the tissue displayed on the image interface is called the volume rate . The higher the refresh rate, the more accurately the position...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/08A61B8/00
CPCA61B8/08A61B8/466A61B8/483
Inventor 彭利军
Owner JIANGSU TINGSN TECH CO LTD
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