CN-116549001-B - Ultrasonic image compensation method and ultrasonic image compensation system

CN116549001BCN 116549001 BCN116549001 BCN 116549001BCN-116549001-B

Abstract

The invention provides an ultrasonic image compensation method and an ultrasonic image compensation system, comprising the steps of transmitting an ultrasonic signal to an air medium by an ultrasonic receiving and transmitting end, receiving the reflected ultrasonic signal by the ultrasonic receiving and transmitting end to obtain an ultrasonic image, obtaining a correction coordinate point according to the ultrasonic image, obtaining first time when the ultrasonic signal is transmitted to the correction coordinate point by the ultrasonic receiving and transmitting end, obtaining second time when the ultrasonic signal is transmitted to a reference point by the ultrasonic receiving and transmitting end, and adjusting a pixel image of the correction coordinate point according to the first time and the second time, wherein the pixel image of the correction coordinate point is adjusted to be on the same arc line with the reference point, the arc line takes the ultrasonic receiving and transmitting end as a center of a circle, and the distance between the pixel image and the reference point is the same as the center of the circle. The invention can optimize the resolution of the ultrasonic image and increase the imaging quality of the ultrasonic image.

Inventors

JIANG FUSHENG
XIE XIANGWEI
SHI YUANYU

Assignees

苏州佳世达电通有限公司
佳世达科技股份有限公司

Dates

Publication Date: 20260508
Application Date: 20220128

Claims (10)

1. An ultrasonic image compensation method, characterized in that the compensation method comprises: transmitting ultrasonic signals to an air medium in a radial mode by an ultrasonic transmitting and receiving end, wherein the ultrasonic transmitting and receiving end is positioned at the center point of the transmission and propagation of the ultrasonic signals; the ultrasonic receiving and transmitting end receives the ultrasonic signal reflected by the probe body to obtain an ultrasonic image; obtaining a corrected coordinate point according to the ultrasonic image; acquiring a first time when the ultrasonic signal is transmitted to the corrected coordinate point by the ultrasonic receiving and transmitting end; obtaining a second time from the ultrasonic signal transmitted by the ultrasonic transceiver to a reference point, wherein the reference point is located on a preset arc line with the ultrasonic transceiver as a center of a circle, and According to the first time and the second time, adjusting the pixel image of the corrected coordinate point; the pixel image of the corrected coordinate point is adjusted to be on the same preset arc line as the reference point, and the distance from the reference point to the circle center is the same.
2. The method of claim 1, wherein the step of adjusting the pixel image of the corrected coordinate point according to the first time and the second time comprises: obtaining a first distance from the corrected coordinate point to the circle center; scaling the first distance according to the first time and the second time to generate a corrected distance; and adjusting the position of the pixel image of the correction coordinate point so that the distance between the position of the pixel image and the circle center is equal to the correction distance.
3. The ultrasound image compensation method of claim 1, further comprising: Acquiring a plurality of corrected coordinate points in the ultrasonic image; acquiring a depth supported by the ultrasonic signal; acquiring a plurality of third times from the ultrasonic signal transmitting/receiving end to a plurality of corrected coordinate points within the depth supported by the ultrasonic signal, and And adjusting a plurality of pixel images of a plurality of corrected coordinate points according to the third times and the times corresponding to the reference points.
4. The method of claim 3, wherein the step of adjusting the plurality of pixel images of the plurality of corrected coordinate points comprises: And adjusting a plurality of gray scale values of a plurality of pixel images of a plurality of correction coordinate points so that a plurality of pixels on each arc line extending outwards from the circle center in the ultrasonic image have uniform gray scale values.
5. The method of claim 1, wherein the ultrasound transceiver is applied to an arcuate ultrasound transducer, a double curvature ultrasound transducer, a multi-curvature ultrasound transducer, a spherical ultrasound transducer, or an aspheric ultrasound transducer.
6. An ultrasound image compensation system, the compensation system comprising: An ultrasonic wave receiving and transmitting end which transmits ultrasonic wave signals to the air medium in a radial mode, wherein the ultrasonic wave receiving and transmitting end is positioned at the center point of the transmission and propagation of the ultrasonic wave signals; A memory for storing data, and The processor is coupled to the ultrasonic wave receiving and transmitting end and the memory; The processor obtains a first time when the ultrasonic signal is transmitted to the corrected coordinate point by the ultrasonic transmitting end, and obtains a second time when the ultrasonic signal is transmitted to a reference point by the ultrasonic transmitting end in the memory, wherein the reference point is positioned on a preset arc line taking the ultrasonic transmitting end as a center of a circle, the processor adjusts the pixel image of the corrected coordinate point according to the first time and the second time, and stores at least one parameter for adjusting the corrected coordinate point in the memory, the pixel image of the corrected coordinate point is adjusted to be on the same preset arc line as the pixel image of the reference point, and the distance between the pixel image of the corrected coordinate point and the pixel image of the reference point is the same as the distance between the pixel image of the reference point and the center of the circle.
7. The ultrasonic image compensation system of claim 6, wherein the processor obtains a first distance from the corrected coordinate point to the center of the circle, the processor scales the first distance according to the first time and the second time to generate a corrected distance, and the processor adjusts the position of the pixel image of the corrected coordinate point so that the distance between the position of the pixel image and the center of the circle is equal to the corrected distance.
8. The system of claim 6, wherein the processor obtains a plurality of corrected coordinate points in the ultrasound image, the processor obtains a depth supported by the ultrasound signal, the processor obtains a plurality of third times when the ultrasound signal is transmitted from the ultrasound transceiver to the corrected coordinate points within the depth supported by the ultrasound signal, and the processor adjusts the pixel images of the corrected coordinate points according to the plurality of third times and the time of the corresponding reference points stored in the memory.
9. The ultrasound image compensation system of claim 8 wherein the processor adjusts gray scale values of the plurality of pixel images of the plurality of corrected coordinate points such that the plurality of pixels on each of the arcs extending outward from the center of the circle in the ultrasound image have uniform gray scale values.
10. The ultrasound image compensation system of claim 6 wherein the ultrasound transceiver is applied to an arcuate ultrasound transducer, a double curvature ultrasound transducer, a multi-curvature ultrasound transducer, a spherical ultrasound transducer, or an aspheric ultrasound transducer.

Description

Ultrasonic image compensation method and ultrasonic image compensation system Technical Field The present invention relates to the field of ultrasound technologies, and in particular, to an ultrasound image compensation method and an ultrasound image compensation system. Background With the recent trend of medical technology, ultrasonic detection technology is also becoming more and more mature. In general, an ultrasonic wave detection system uses a probe having a function of transmitting an ultrasonic signal to transmit the ultrasonic signal below the skin. The probe for ultrasonic signals also uses the reflected ultrasonic signals to determine the shape and position of objects not visible to the naked eye below the skin for various medical purposes. In a conventional arcuate ultrasonic transducer, the acoustic lens layer and the matching layer are molded. Wherein the mold curvature and piezoelectric material set lack ideal measurement methods, thus resulting in ultrasonic imaging flaws. In other words, since the process of the ultrasonic transducer cannot be perfectly designed, the ultrasonic image may have irregular or distorted pixel image defects during imaging. Therefore, there is a need to design a new ultrasound image compensation method and system to overcome the above-mentioned drawbacks. Disclosure of Invention The invention aims to provide an ultrasonic image compensation method and an ultrasonic image compensation system, which can effectively repair a distorted image corresponding to a flaw point in an ultrasonic image. The invention provides an ultrasonic image compensation method, which comprises the steps of transmitting ultrasonic signals to an air medium by an ultrasonic receiving and transmitting end, receiving the reflected ultrasonic signals by the ultrasonic receiving and transmitting end to obtain ultrasonic images, obtaining a correction coordinate point according to the ultrasonic images, obtaining first time when the ultrasonic signals are transmitted to the correction coordinate point by the ultrasonic receiving and transmitting end, obtaining second time when the ultrasonic signals are transmitted to a reference point by the ultrasonic receiving and transmitting end, and adjusting pixel images of the correction coordinate point according to the first time and the second time, wherein the pixel images of the correction coordinate point are adjusted to be on the same arc line with the reference point, the arc line takes the ultrasonic receiving and transmitting end as a center of a circle, and the distance between the pixel images and the reference point as the center of the circle is the same. Preferably, the step of adjusting the pixel image of the corrected coordinate point according to the first time and the second time specifically includes obtaining a first distance from the corrected coordinate point to the center of the circle, scaling the first distance according to the first time and the second time to generate a corrected distance, and adjusting a position of the pixel image of the corrected coordinate point so that a distance between the position of the pixel image and the center of the circle is equal to the corrected distance. Preferably, the method further comprises obtaining a plurality of corrected coordinate points in the ultrasonic image, obtaining a depth supported by the ultrasonic signal, obtaining a plurality of third times when the ultrasonic signal is transmitted to the corrected coordinate points by the ultrasonic receiving and transmitting end within the depth supported by the ultrasonic signal, and adjusting a plurality of pixel images of the corrected coordinate points according to the third times and the time corresponding to the reference points. Preferably, the step of adjusting the plurality of pixel images of the plurality of corrected coordinate points includes adjusting a plurality of gray scale values of the plurality of pixel images of the plurality of corrected coordinate points so that a plurality of pixels on each arc line extending outward from the center of the circle in the ultrasonic image have uniform gray scale values. Preferably, the ultrasonic transceiver is applied to an arc-shaped ultrasonic transducer, a double-curvature ultrasonic transducer, a multi-curvature ultrasonic transducer, a spherical ultrasonic transducer or an aspheric ultrasonic transducer. Based on the above-mentioned compensation method, the present invention further provides an ultrasonic image compensation system, which comprises an ultrasonic transceiver for transmitting an ultrasonic signal to an air medium, a memory for storing data, and a processor coupled to the ultrasonic transceiver and the memory, wherein the ultrasonic transceiver receives a reflected ultrasonic signal after transmitting the ultrasonic signal to obtain an ultrasonic image, the processor obtains a corrected coordinate point according to the ultrasonic image, the processor obtains a first