CN115237308A - Ultrasonic image amplifying method and ultrasonic device - Google Patents

Ultrasonic image amplifying method and ultrasonic device Download PDF

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CN115237308A
CN115237308A CN202210784487.1A CN202210784487A CN115237308A CN 115237308 A CN115237308 A CN 115237308A CN 202210784487 A CN202210784487 A CN 202210784487A CN 115237308 A CN115237308 A CN 115237308A
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frame
ultrasonic image
frame rate
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CN115237308B (en
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陈永丽
付传卿
朱超超
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Qingdao Hisense Medical Equipment Co Ltd
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Abstract

The present disclosure provides an ultrasound image magnification method and an ultrasound apparatus. For improving the resolution of the magnified ultrasound image. The method comprises the following steps: responding to an instruction of amplifying an ultrasonic image sent by a user, obtaining the pulse repetition time of the ultrasonic image by using the depth of the ultrasonic image, and obtaining the pulse repetition time of an ROI (region of interest) frame according to the depth of a lower frame of the ROI frame; obtaining the current frame rate of the ultrasonic image according to the pulse repetition time of the ultrasonic image and the number of the current scanning lines corresponding to the ultrasonic image; obtaining a target frame rate in the ROI box based on the current frame rate of the ultrasonic image and the depth of a lower border of the ROI box; obtaining the target number of the scanning lines in the ROI frame according to the target frame rate and the pulse repetition time of the ROI frame; and amplifying the ultrasonic image in the ROI frame by using the target number of the scanning lines in the ROI frame to obtain an amplified ultrasonic image.

Description

Ultrasonic image amplifying method and ultrasonic device
Technical Field
The present invention relates to the field of image processing technologies, and in particular, to an ultrasound image magnification method and an ultrasound device.
Background
The ultrasonic image magnification is based on the original ultrasonic image, the magnification display of the ultrasonic image in the ROI frame is realized by the user randomly adjusting the size of the ROI (region of interest) frame, and the magnification display of the ultrasonic image can be more helpful for a doctor to observe the tissue details.
In the prior art, the ultrasound image is enlarged by adjusting the dot pitch and the line pitch of the ultrasound image. However, this method results in a magnified ultrasound image with a lower resolution and a lower image quality.
Disclosure of Invention
The exemplary embodiments of the present disclosure provide an ultrasound image magnifying method and an ultrasound apparatus, which are used to improve the resolution of a magnified ultrasound image and improve the image quality.
A first aspect of the present disclosure provides a method of magnifying an ultrasound image, the method including:
responding to an instruction of amplifying an ultrasonic image sent by a user, obtaining the pulse repetition time of the ultrasonic image by using the depth of the ultrasonic image, and obtaining the pulse repetition time of the ROI box according to the depth of a lower border of the ROI box of the region of interest;
obtaining the current frame rate of the ultrasonic image according to the pulse repetition time of the ultrasonic image and the number of the current scanning lines corresponding to the ultrasonic image;
obtaining a target frame rate in the ROI frame based on the current frame rate of the ultrasonic image and the depth of a lower frame of the ROI frame;
obtaining the target number of the scanning lines in the ROI frame according to the target frame rate and the pulse repetition time of the ROI frame;
and amplifying the ultrasonic image in the ROI frame by using the target number of the scanning lines in the ROI frame to obtain an amplified ultrasonic image.
In this embodiment, a target frame rate in the ROI frame is determined by using a current frame rate of the ultrasound image, then a target number of scan lines in the ROI frame is obtained based on the target frame rate, and then the image in the ROI frame is enlarged based on the target number of scan lines in the ROI frame. Therefore, the frame rate is improved to a certain extent in the image amplification process, and the frame rate is not too high or too low, and the original line number before coordinate transformation is further improved through the new scanning line number, which is more beneficial to improving the resolution of the image and improving the quality of the amplified ultrasonic image.
In one embodiment, the obtaining the pulse repetition time of the ultrasound image by using the depth of the ultrasound image includes:
dividing the depth of the ultrasonic image by the propagation speed of the ultrasonic wave in the biological tissue to obtain a first proportional value;
and multiplying the first proportional value by a preset threshold value to obtain an expanded first proportional value, and adding the expanded first proportional value, the ultrasonic generation duration and the half-pulse length to obtain the pulse repetition time of the ultrasonic image, wherein the ultrasonic generation duration is the total time for acquiring the ultrasonic image by using ultrasonic, and the half-pulse length is half of the pulse length in the ultrasonic imaging process.
According to the pulse repetition time determining method and device, the pulse repetition time of the ultrasonic image is determined through the depth of the ultrasonic image, the ultrasonic generation duration and the half-pulse length, and therefore the pulse repetition time of the ultrasonic image is determined more accurately.
In one embodiment, the obtaining the pulse repetition time of the ROI box according to the depth of the lower border of the ROI box includes:
dividing the depth of the lower frame of the ROI frame by the propagation speed of the ultrasound in the biological tissue to obtain a second proportional value;
and multiplying the second proportional value by a preset threshold value to obtain an expanded second proportional value, and adding the expanded second proportional value, the ultrasonic generation duration and the half pulse length to obtain the pulse repetition time of the ROI frame, wherein the ultrasonic generation duration is the propagation time of ultrasonic waves in biological tissues, and the half pulse length is half of the pulse length in the ultrasonic imaging process.
In this embodiment, the pulse repetition time of the ROI frame is obtained by adding the depth of the lower frame of the ROI frame, the ultrasound generation duration, and the half pulse length, so that the determined pulse repetition time in the ROI frame is more accurate.
In one embodiment, the obtaining a current frame rate of the ultrasound image according to the pulse repetition time of the ultrasound image and the number of current scan lines corresponding to the ultrasound image includes:
and multiplying the pulse repetition time of the ultrasonic image by the number of the current scanning lines corresponding to the ultrasonic image to obtain a first intermediate value, and determining the reciprocal of the first intermediate value as the current frame rate of the ultrasonic image.
In this embodiment, the current frame rate of the ultrasound image is determined according to the pulse repetition time of the ultrasound image and the number of the current scan lines corresponding to the ultrasound image, so that the determined current frame rate of the ultrasound image is more accurate.
In an embodiment, the processor executes the obtaining of the target frame rate in the ROI frame based on the current frame rate of the ultrasound image and the depth of the lower border of the ROI frame, and is specifically configured to:
dividing the depth of the lower frame of the ROI frame with the depth of the ultrasonic image to obtain a depth ratio; and the number of the first and second electrodes,
multiplying the depth ratio by the current frame rate of the ultrasonic image to obtain an intermediate frame rate; and the number of the first and second groups,
and multiplying the intermediate frame rate by a preset coefficient to obtain the target frame rate in the ROI frame.
In the embodiment, the target frame rate in the ROI frame is determined according to the current frame rate of the ultrasonic image, so that the determined target frame rate is more accurate, and the accuracy of the amplified ultrasonic image is further improved.
In an embodiment, the processor executes the obtaining of the target frame rate in the ROI frame based on the current frame rate of the ultrasound image and the depth of the lower border of the ROI frame, and is specifically configured to:
determining an inverse of a product of the target frame rate and a pulse repetition time of the ROI box as a target number of scan lines within the ROI box.
The present embodiment determines the number of scan lines within the ROI frame from the target frame rate, thereby enlarging the image within the ROI frame based on the target number of scan lines within the ROI frame. The frame rate is improved to a certain extent in the image amplification process, and the frame rate is not too high or too low, and the original line number before coordinate transformation can be further improved through the new scanning line number, so that the resolution of the image is improved, and the quality of the amplified ultrasonic image is improved.
A second aspect of the present disclosure provides an ultrasound device comprising a memory unit and a processor, wherein:
the storage unit is configured to store an ultrasound image;
the processor configured to:
responding to an instruction of amplifying an ultrasonic image sent by a user, obtaining the pulse repetition time of the ultrasonic image by using the depth of the ultrasonic image, and obtaining the pulse repetition time of an ROI (region of interest) frame according to the depth of a lower frame of the ROI frame;
obtaining the current frame rate of the ultrasonic image according to the pulse repetition time of the ultrasonic image and the number of the current scanning lines corresponding to the ultrasonic image;
obtaining a target frame rate in the ROI frame based on the current frame rate of the ultrasonic image and the depth of a lower frame of the ROI frame;
obtaining the target number of the scanning lines in the ROI frame according to the target frame rate and the pulse repetition time of the ROI frame;
and amplifying the ultrasonic image in the ROI frame by using the target number of the scanning lines in the ROI frame to obtain an amplified ultrasonic image.
In one embodiment, the processor performs the utilizing the depth of the ultrasound image to obtain a pulse repetition time of the ultrasound image, and is specifically configured to:
dividing the depth of the ultrasonic image by the propagation speed of the ultrasonic wave in the biological tissue to obtain a first proportional value;
and multiplying the first proportional value by a preset threshold value to obtain an expanded first proportional value, and adding the expanded first proportional value, the ultrasonic generation duration and the half-pulse length to obtain the pulse repetition time of the ultrasonic image, wherein the ultrasonic generation duration is the total time for acquiring the ultrasonic image by using ultrasonic, and the half-pulse length is half of the pulse length in the ultrasonic imaging process.
In an embodiment, the processor executes the obtaining of the pulse repetition time of the ROI box according to the depth of the lower border of the ROI box, and is specifically configured to:
dividing the depth of the lower frame of the ROI frame by the propagation speed of the ultrasound in the biological tissue to obtain a second proportional value;
and multiplying the second proportional value by a preset threshold value to obtain an expanded second proportional value, and adding the expanded second proportional value, the ultrasonic generation duration and the half-pulse length to obtain the pulse repetition time of the ROI frame, wherein the ultrasonic generation duration is the propagation time of ultrasonic waves in biological tissues, and the half-pulse length is half of the pulse length in the ultrasonic imaging process.
In an embodiment, the processor executes the step of obtaining the current frame rate of the ultrasound image according to the pulse repetition time of the ultrasound image and the number of current scan lines corresponding to the ultrasound image, and is specifically configured to:
and multiplying the pulse repetition time of the ultrasonic image by the number of the current scanning lines corresponding to the ultrasonic image to obtain a first intermediate value, and determining the reciprocal of the first intermediate value as the current frame rate of the ultrasonic image.
In an embodiment, the processor executes the obtaining of the target frame rate in the ROI frame based on the current frame rate of the ultrasound image and the depth of the lower border of the ROI frame, and is specifically configured to:
dividing the depth of the lower frame of the ROI frame with the depth of the ultrasonic image to obtain a depth ratio; and the number of the first and second antennas is increased,
multiplying the depth ratio by the current frame rate of the ultrasonic image to obtain an intermediate frame rate; and the number of the first and second groups,
and multiplying the intermediate frame rate by a preset coefficient to obtain the target frame rate in the ROI frame.
In one embodiment, the processor executes the step of obtaining a target frame rate in the ROI box based on the current frame rate of the ultrasound image and the depth of the lower border of the ROI box, and is specifically configured to:
determining an inverse of a product of the target frame rate and a pulse repetition time of the ROI box as a target number of scan lines within the ROI box.
According to a third aspect provided by embodiments of the present disclosure, there is provided a computer storage medium storing a computer program for executing the method according to the first aspect.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is apparent that the drawings in the description below are only some embodiments of the present disclosure, and it is obvious for those skilled in the art that other drawings may be obtained according to the drawings without inventive labor.
FIG. 1 is a schematic diagram of a suitable scenario in accordance with an embodiment of the present disclosure;
FIG. 2 is a flowchart illustrating a method for magnifying an ultrasound image according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a terminal interface according to one embodiment of the present disclosure;
FIG. 4 is a schematic flow chart of determining a target frame rate within a ROI box according to one embodiment of the present disclosure;
FIG. 5 is one of the schematic views of an ultrasound image according to one embodiment of the present disclosure;
FIG. 6 is a second schematic diagram of an ultrasound image according to an embodiment of the present disclosure;
FIG. 7 is a second flowchart illustrating a method for magnifying an ultrasound image according to an embodiment of the present disclosure;
FIG. 8 is an ultrasound image magnification device according to one embodiment of the present disclosure;
fig. 9 is a schematic structural diagram of an ultrasound device according to one embodiment of the present disclosure.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are some, but not all embodiments of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without inventive step, are intended to be within the scope of the present disclosure.
The term "and/or" in the embodiments of the present disclosure describes an association relationship of associated objects, and indicates that three relationships may exist, for example, a and/or B, and may indicate: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
The application scenario described in the embodiment of the present disclosure is for more clearly illustrating the technical solution of the embodiment of the present disclosure, and does not form a limitation on the technical solution provided in the embodiment of the present disclosure, and as a person having ordinary skill in the art knows, with the occurrence of a new application scenario, the technical solution provided in the embodiment of the present disclosure is also applicable to similar technical problems. In the description of the present disclosure, the meaning of "a plurality" is two or more, unless otherwise specified.
In the prior art, the ultrasound image is enlarged by adjusting the dot pitch and the line pitch of the ultrasound image. However, this method results in a magnified ultrasound image with a lower resolution and a lower image quality.
Therefore, the present disclosure provides an ultrasound image magnifying method, which determines a target frame rate in an ROI frame by using a current frame rate of an ultrasound image, then obtains a target number of scan lines in the ROI frame based on the target frame rate, and then magnifies an image in the ROI frame based on the target number of scan lines in the ROI frame. Therefore, the frame rate is improved to a certain extent in the image amplification process, and the frame rate is not too high or too low, and the original line number before coordinate transformation can be further improved through the new scanning line number, so that the improvement of the resolution of the image is facilitated, and the quality of the amplified ultrasonic image is improved. The embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, an application scenario of the method for magnifying an ultrasound image includes: an ultrasound device 10 and a memory 20; wherein:
in one possible application scenario, the ultrasound apparatus 10, in response to an instruction sent by a user to zoom in an ultrasound image, obtains a pulse repetition time of the ultrasound image by using the depth of the ultrasound image stored in the memory 20, and obtains the pulse repetition time of the ROI frame according to the depth of the lower border of the ROI frame of the region of interest; then, the ultrasound device 10 obtains the current frame rate of the ultrasound image according to the pulse repetition time of the ultrasound image and the number of the current scanning lines corresponding to the ultrasound image; obtaining a target frame rate in the ROI frame based on the current frame rate of the ultrasonic image and the depth of a lower frame of the ROI frame; then, the ultrasound device 10 obtains the target number of the scanning lines in the ROI frame through the target frame rate and the pulse repetition time of the ROI frame, and amplifies the ultrasound image in the ROI frame by using the target number of the scanning lines in the ROI frame to obtain an amplified ultrasound image.
Wherein only a single ultrasound device 10 and memory 20 are detailed in the description of the present application, it should be understood by those skilled in the art that the illustrated ultrasound device 10 and memory 20 are intended to represent the ultrasound device 10 and memory 20 operations to which the aspects of the present application relate. And not to imply a limitation on the number, type, or location of the ultrasound device 10 and memory 20. It should be noted that the underlying concepts of the example embodiments of the present application may not be altered if additional modules are added or removed from the illustrated environments. In addition, although a bidirectional arrow from the memory 20 to the ultrasound apparatus 10 is shown in fig. 1 for convenience of explanation, it will be understood by those skilled in the art that the above-mentioned data transmission and reception also need to be realized through a network.
It should be noted that the storage in the embodiment of the present application may be, for example, a cache system, or may also be a hard disk storage, a memory storage, or the like. In addition, the ultrasound image magnification method provided by the application is not only suitable for the application scene shown in fig. 1, but also suitable for any device with ultrasound image magnification requirements.
As shown in fig. 2, which is a schematic flow chart of the method for magnifying an ultrasound image according to the present disclosure, the method may include the following steps:
step 201: responding to an instruction of amplifying an ultrasonic image sent by a user, obtaining the pulse repetition time of the ultrasonic image by using the depth of the ultrasonic image, and obtaining the pulse repetition time of an ROI (region of interest) frame according to the depth of a lower frame of the ROI frame;
for example, as shown in fig. 3, which is a schematic view of a terminal interface, a button with a real-time zooming function is provided in the interface, and a user can enter the real-time zooming function of an ultrasound image by clicking the button, that is, the user sends an instruction to zoom in the ultrasound image.
In one embodiment, the pulse repetition time of the ultrasound image is obtained by:
dividing the depth of the ultrasonic image by the propagation speed of the ultrasonic wave in the biological tissue to obtain a first proportional value; and adding the expanded first proportion value, the ultrasonic generation duration and the half-pulse length to obtain the pulse repetition time of the ultrasonic image, wherein the ultrasonic generation duration is the total time for obtaining the ultrasonic image by using ultrasonic, and the half-pulse length is half of the pulse length in the ultrasonic imaging process. Wherein the ultrasound image pulse repetition time may be determined by equation (1):
Figure BDA0003719755240000081
wherein, PRT C Is the pulse repetition time of the ultrasound image, A is the preset threshold value, d 1 Is the depth, V, of the ultrasonic image s Is the propagation velocity of the ultrasonic wave in the biological tissue, T is the ultrasonic generation duration, r xoffs Is the half pulse length.
It should be noted that: the depth of the ultrasound image, the propagation speed of the ultrasound in the biological tissue, the ultrasound generation duration and the half-pulse length are parameters that can be directly acquired.
In one embodiment, the pulse repetition time of the ROI box is determined by:
dividing the depth of the lower frame of the ROI frame by the propagation speed of the ultrasound in the biological tissue to obtain a second proportional value; and multiplying the second proportional value by a preset threshold value to obtain an expanded second proportional value, and adding the expanded second proportional value, the ultrasonic generation duration and the half-pulse length to obtain the pulse repetition time of the ROI frame, wherein the ultrasonic generation duration is the propagation time of ultrasonic waves in biological tissues, and the half-pulse length is half of the pulse length in the ultrasonic imaging process. Wherein a pulse repetition time of the ROI box can be determined by equation (2):
Figure BDA0003719755240000091
wherein, PRT ROI Pulse repetition time of ROI box, A being the preset threshold, d 2 Is the depth of the lower border of the ROI box, V s Is the propagation velocity of the ultrasonic wave in the biological tissue, T is the ultrasonic generation duration, r xoffs Is the half pulse length.
It should be noted that: the depth of the ultrasound image, the propagation speed of the ultrasound wave in the biological tissue, the ultrasound generation duration and the half-pulse length are parameters that can be directly obtained, the depth of the lower frame of the ROI frame can be directly obtained, the preset threshold a in this embodiment is 2, but the specific value of the preset threshold is not limited, and the specific value of the preset threshold can be set according to the actual situation.
Step 202: obtaining the current frame rate of the ultrasonic image according to the pulse repetition time of the ultrasonic image and the number of the current scanning lines corresponding to the ultrasonic image;
in one embodiment, the current frame rate of the ultrasound image is obtained by:
and multiplying the pulse repetition time of the ultrasonic image by the number of the current scanning lines corresponding to the ultrasonic image to obtain a first intermediate value, and determining the reciprocal of the first intermediate value as the current frame rate of the ultrasonic image. Wherein, the current frame rate of the ultrasound image can be obtained by formula (3):
Figure BDA0003719755240000092
wherein FPS C For the current frame rate, PRT, of the ultrasound image C Is the pulse repetition time, L, of the ultrasound image 1 Is the number of the current scan line.
It should be noted that: the number of current scan lines can be directly acquired.
Step 203: obtaining a target frame rate in the ROI box based on the current frame rate of the ultrasonic image and the depth of a lower border of the ROI box;
next, a detailed description is given of a specific manner of determining the target frame rate in the ROI frame, as shown in fig. 4, which is a schematic flow chart of determining the target frame rate in the ROI frame, and includes the following steps:
step 401: dividing the depth of the lower frame of the ROI frame with the depth of the ultrasonic image to obtain a depth ratio;
step 402: multiplying the depth ratio by the current frame rate of the ultrasonic image to obtain an intermediate frame rate;
step 403: and multiplying the intermediate frame rate by a preset coefficient to obtain the target frame rate in the ROI frame.
Wherein, the target frame rate in the ROI box can be obtained by formula (4):
Figure BDA0003719755240000101
wherein FPS expected For a target frame rate, FPS, within the ROI box C Is the current frame rate of the ultrasound image, d 2 Is the depth of the lower border of the ROI box, d 1 And B is the depth of the ultrasonic image and the preset coefficient.
It should be noted that: the specific value of the preset coefficient may be set according to actual conditions, and the preset coefficient is not limited in this embodiment.
Step 204: obtaining the target number of the scanning lines in the ROI frame according to the target frame rate and the pulse repetition time of the ROI frame;
in one embodiment, the inverse of the product of the target frame rate and the pulse repetition time of the ROI box is determined as the target number of scan lines within the ROI box. Wherein the target number of scan lines within the ROI box is obtained by equation (5):
Figure BDA0003719755240000102
wherein L is ROI For a target number of scan lines within the ROI box, FPS expected For a target frame rate, PRT, within the ROI box ROI Pulse repetition time for the ROI box.
Step 205: and amplifying the ultrasonic image in the ROI frame by using the target number of the scanning lines in the ROI frame to obtain an amplified ultrasonic image.
In one embodiment, the number of scan lines within the ROI frame is interpolated to the target number, resulting in the magnified ultrasound image. For example, as shown in fig. 5, the frame in the figure is an ROI frame, and the image in the ROI frame is enlarged to obtain the enlarged ultrasound image in fig. 6.
It should be noted that: the specific manner of magnifying the ultrasound image in the ROI frame by using the target number of the scan lines in the ROI frame is not limited in this embodiment, and a specific method may be set according to an actual situation.
In an embodiment, after step 205 is executed, the resolution of the enlarged ultrasound image may be further increased by optimizing front-end parameters, where the resolution of the image includes a lateral resolution and a longitudinal resolution, and the following manners of increasing the lateral resolution and the longitudinal resolution are described as follows:
longitudinal resolution: the longitudinal resolution of the ultrasound image depends on the pulse length. I.e., the shorter the pulse length, the higher the longitudinal resolution of the ultrasound image. Therefore, the longitudinal resolution of the ultrasonic image can be adjusted by adjusting the size of the pulse length. And it can be known from equation (6) that the longitudinal resolution of the ultrasound image is related to the number of transmit pulse periods and the transmit frequency. Therefore, increasing the number of transmit pulse periods or decreasing the transmit frequency to some extent may increase the longitudinal resolution of the ultrasound image.
Figure BDA0003719755240000111
Wherein Q is the longitudinal resolution, V s Is the propagation velocity, T, of the ultrasonic waves in the biological tissue Pulse of light The number of transmit pulse periods, f is the transmit frequency.
Lateral resolution: the lateral resolution of the ultrasound image depends on the pulse width, i.e. the narrower the pulse width, the higher the lateral resolution. The lateral resolution of the ultrasound image can be adjusted by adjusting the pulse width. Wherein the pulse width is dependent on the size of the ultrasound transmission aperture. Increasing the size of the ultrasound emission aperture within a specified range can increase the lateral resolution of the ultrasound image.
For further understanding of the technical solution of the present disclosure, the following detailed description with reference to fig. 7 may include the following steps:
step 701: in response to an instruction of amplifying an ultrasonic image sent by a user, dividing the depth of the ultrasonic image by the propagation speed of the ultrasonic wave in the biological tissue to obtain a first proportional value;
step 702: multiplying the first proportional value by a preset threshold value to obtain an expanded first proportional value, and adding the expanded first proportional value, the ultrasonic generation duration and the half-pulse length to obtain the pulse repetition time of the ultrasonic image, wherein the ultrasonic generation duration is the total time for obtaining the ultrasonic image by using ultrasonic, and the half-pulse length is half of the pulse length in the ultrasonic imaging process;
step 703: dividing the depth of the lower frame of the ROI frame by the propagation speed of the ultrasound in the biological tissue to obtain a second proportional value;
step 704: multiplying the second proportional value by a preset threshold value to obtain an expanded second proportional value, and adding the expanded second proportional value, the ultrasonic generation duration and the half-pulse length to obtain the pulse repetition time of the ROI frame, wherein the ultrasonic generation duration is the propagation time of ultrasonic waves in biological tissues, and the half-pulse length is half of the pulse length in the ultrasonic imaging process;
step 705: multiplying the pulse repetition time of the ultrasonic image by the number of current scanning lines corresponding to the ultrasonic image to obtain a first intermediate value;
step 706: determining the reciprocal of the first intermediate value as the current frame rate of the ultrasonic image;
step 707: dividing the depth of the lower frame of the ROI frame with the depth of the ultrasonic image to obtain a depth ratio;
step 708: multiplying the depth ratio by the current frame rate of the ultrasonic image to obtain an intermediate frame rate;
step 709: multiplying the intermediate frame rate by a preset coefficient to obtain a target frame rate in the ROI frame;
step 710: determining an inverse of a product of the target frame rate and a pulse repetition time of the ROI box as a target number of scan lines within the ROI box;
step 711: and amplifying the ultrasonic image in the ROI frame by using the target number of the scanning lines in the ROI frame to obtain an amplified ultrasonic image.
Based on the same disclosure concept, the method for magnifying an ultrasound image of the present disclosure as described above may also be implemented by a device for magnifying an ultrasound image. The effect of the ultrasound image magnifying device is similar to that of the aforementioned method, and is not repeated herein.
Fig. 8 is a schematic structural diagram of an ultrasound image magnifying device according to an embodiment of the present disclosure.
As shown in fig. 8, the probability triggering device 800 for random events of the present disclosure may include a pulse repetition time determination module 810, a current frame rate module 820, a target frame rate determination module 830, a scan line target number determination module 840, and an ultrasound image magnification module 850.
The pulse repetition time determining module 810 is configured to obtain a pulse repetition time of an ultrasound image by using a depth of the ultrasound image in response to an instruction for magnifying the ultrasound image sent by a user, and obtain the pulse repetition time of an ROI frame according to the depth of a lower border of the ROI frame of the region of interest;
a current frame rate module 820, configured to obtain a current frame rate of the ultrasound image according to the pulse repetition time of the ultrasound image and the number of current scan lines corresponding to the ultrasound image;
a target frame rate determining module 830, configured to obtain a target frame rate in the ROI frame based on the current frame rate of the ultrasound image and the depth of the lower border of the ROI frame;
a scan line target number determining module 840, configured to obtain, according to the target frame rate and the pulse repetition time of the ROI frame, a target number of scan lines in the ROI frame;
the ultrasound image magnifying module 850 is configured to magnify the ultrasound image in the ROI frame by using the target number of the scan lines in the ROI frame, so as to obtain a magnified ultrasound image.
In an embodiment, the pulse repetition time determination module 810 is specifically configured to:
dividing the depth of the ultrasonic image by the propagation speed of the ultrasonic wave in the biological tissue to obtain a first proportional value;
and multiplying the first proportional value by a preset threshold value to obtain an expanded first proportional value, and adding the expanded first proportional value, the ultrasonic generation duration and the half-pulse length to obtain the pulse repetition time of the ultrasonic image, wherein the ultrasonic generation duration is the total time for acquiring the ultrasonic image by using ultrasonic, and the half-pulse length is half of the pulse length in the ultrasonic imaging process.
In an embodiment, the pulse repetition time determining module 810 is specifically configured to:
dividing the depth of the lower frame of the ROI frame by the propagation speed of the ultrasound in the biological tissue to obtain a second proportional value;
and multiplying the second proportional value by a preset threshold value to obtain an expanded second proportional value, and adding the expanded second proportional value, the ultrasonic generation duration and the half-pulse length to obtain the pulse repetition time of the ROI frame, wherein the ultrasonic generation duration is the propagation time of ultrasonic waves in biological tissues, and the half-pulse length is half of the pulse length in the ultrasonic imaging process.
In an embodiment, the current frame rate module 820 is specifically configured to:
and multiplying the pulse repetition time of the ultrasonic image by the number of the current scanning lines corresponding to the ultrasonic image to obtain a first intermediate value, and determining the reciprocal of the first intermediate value as the current frame rate of the ultrasonic image.
In an embodiment, the target frame rate determining module 830 is specifically configured to:
dividing the depth of the lower frame of the ROI frame with the depth of the ultrasonic image to obtain a depth ratio; and the number of the first and second electrodes,
multiplying the depth ratio by the current frame rate of the ultrasonic image to obtain an intermediate frame rate; and (c) a second step of,
and multiplying the intermediate frame rate by a preset coefficient to obtain the target frame rate in the ROI frame.
In an embodiment, the scan line target number determining module 840 is specifically configured to:
determining an inverse of a product of the target frame rate and a pulse repetition time of the ROI box as a target number of scan lines within the ROI box.
Having described a method and apparatus for magnifying an ultrasound image according to an exemplary embodiment of the present disclosure, an ultrasound apparatus according to another exemplary embodiment of the present disclosure will be described.
As will be appreciated by one skilled in the art, aspects of the present disclosure may be embodied as a system, method or program product. Accordingly, various aspects of the disclosure may be embodied in the form of: an entirely hardware embodiment, an entirely software embodiment (including firmware, microcode, etc.) or an embodiment combining hardware and software aspects that may all generally be referred to herein as a "circuit," module "or" system.
In some possible implementations, an ultrasound device in accordance with the present disclosure may include at least one processor, and at least one computer storage medium. Wherein the computer storage medium stores program code which, when executed by the processor, causes the processor to perform the steps of the method for magnifying an ultrasound image according to various exemplary embodiments of the present disclosure described above in the present specification. For example, the processor may perform steps 201-205 as shown in FIG. 2.
An ultrasound apparatus 900 according to this embodiment of the present disclosure is described below with reference to fig. 9. The ultrasound device 900 shown in fig. 9 is merely an example and should not impose any limitations on the functionality or scope of use of embodiments of the present disclosure.
As shown in fig. 9, the ultrasound apparatus 900 is in the form of a general-purpose ultrasound apparatus. The components of the ultrasound device 900 may include, but are not limited to: the at least one processor 901, the at least one computer storage medium 902, and the bus 903 connecting the various system components (including the computer storage medium 902 and the processor 901).
Bus 903 represents one or more of any of several types of bus structures, including a computer storage media bus or computer storage media controller, a peripheral bus, a processor, or a local bus using any of a variety of bus architectures.
Computer storage media 902 may include readable media in the form of volatile computer storage media, such as random access computer storage media (RAM) 921 and/or cache storage media 922, and may further include read-only computer storage media (ROM) 923.
Computer storage media 902 may also include programs/utilities 925 having a set (at least one) of program modules 924, such program modules 924 including, but not limited to: an operating system, one or more application programs, other program modules, and program data, each of which, or some combination thereof, may comprise an implementation of a network environment.
The ultrasound device 900 may also communicate with one or more external devices 904 (e.g., keyboard, pointing device, etc.), with one or more devices that enable a user to interact with the ultrasound device 900, and/or with any devices (e.g., router, modem, etc.) that enable the ultrasound device 900 to communicate with one or more other ultrasound devices. Such communication may occur via input/output (I/O) interfaces 905. Also, the ultrasound device 900 may communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the internet) via the network adapter 906. As shown, the network adapter 906 communicates with other modules for the ultrasound device 900 over the bus 903. It should be understood that although not shown in the figures, other hardware and/or software modules may be used in conjunction with the ultrasound device 900, including but not limited to: microcode, device drivers, redundant processors, external disk drive arrays, RAID systems, tape drives, and data backup storage systems, to name a few.
In some possible embodiments, various aspects of a method for magnifying an ultrasound image provided by the present disclosure may also be implemented in the form of a program product including program code for causing a computer device to perform the steps in the method for magnifying an ultrasound image according to various exemplary embodiments of the present disclosure described above in this specification when the program product is run on the computer device.
The program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. The readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium include: an electrical connection having one or more wires, a portable diskette, a hard disk, a random access computer storage media (RAM), a read-only computer storage media (ROM), an erasable programmable read-only computer storage media (EPROM or flash memory), an optical fiber, a portable compact disc read-only computer storage media (CD-ROM), an optical computer storage media piece, a magnetic computer storage media piece, or any suitable combination of the foregoing.
The program product for magnification of an ultrasound image of an embodiment of the present disclosure may employ a portable compact disk read-only computer storage medium (CD-ROM) and include program code, and may be run on an ultrasound device. However, the program product of the present disclosure is not limited thereto, and in this document, a readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A readable signal medium may include a propagated data signal with readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A readable signal medium may be any readable medium that is not a readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Program code for carrying out operations for aspects of the present disclosure may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user ultrasound device, partly on the user device, as a stand-alone software package, partly on the user ultrasound device and partly on the remote ultrasound device, or entirely on the remote ultrasound device or ultrasound device. In the case of a remote ultrasound device, the remote ultrasound device may be connected to the user ultrasound device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external ultrasound device (e.g., through the internet using an internet service provider).
It should be noted that although several modules of the apparatus are mentioned in the above detailed description, such division is merely exemplary and not mandatory. Indeed, the features and functions of two or more of the modules described above may be embodied in one module, according to embodiments of the present disclosure. Conversely, the features and functions of one module described above may be further divided into embodiments by a plurality of modules.
Further, while the operations of the disclosed methods are depicted in the drawings in a particular order, this does not require or imply that the operations must be performed in this particular order, or that all of the illustrated operations must be performed, to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step execution, and/or one step broken down into multiple step executions.
As will be appreciated by one of skill in the art, embodiments of the present disclosure may be provided as a method, system, or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, magnetic disk computer storage media, CD-ROMs, optical computer storage media, and the like) having computer-usable program code embodied therein.
The present disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to the present disclosure. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable computer storage medium that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable computer storage medium produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications can be made in the present disclosure without departing from the spirit and scope of the disclosure. Thus, if such modifications and variations of the present disclosure fall within the scope of the claims of the present disclosure and their equivalents, the present disclosure is intended to include such modifications and variations as well.

Claims (10)

1. An ultrasound device, comprising a memory unit and a processor, wherein:
the storage unit is configured to store an ultrasound image;
the processor configured to:
responding to an instruction of amplifying an ultrasonic image sent by a user, obtaining the pulse repetition time of the ultrasonic image by using the depth of the ultrasonic image, and obtaining the pulse repetition time of an ROI (region of interest) frame according to the depth of a lower frame of the ROI frame;
obtaining the current frame rate of the ultrasonic image according to the pulse repetition time of the ultrasonic image and the number of the current scanning lines corresponding to the ultrasonic image;
obtaining a target frame rate in the ROI frame based on the current frame rate of the ultrasonic image and the depth of a lower frame of the ROI frame;
obtaining the target number of the scanning lines in the ROI frame according to the target frame rate and the pulse repetition time of the ROI frame;
and amplifying the ultrasonic image in the ROI frame by using the target number of the scanning lines in the ROI frame to obtain an amplified ultrasonic image.
2. The ultrasound device according to claim 1, wherein the processor performs the utilizing the depth of the ultrasound image, resulting in a pulse repetition time of the ultrasound image, particularly configured to:
dividing the depth of the ultrasonic image by the propagation speed of the ultrasonic wave in the biological tissue to obtain a first proportional value;
and multiplying the first proportional value by a preset threshold value to obtain an expanded first proportional value, and adding the expanded first proportional value, the ultrasonic generation duration and the half-pulse length to obtain the pulse repetition time of the ultrasonic image, wherein the ultrasonic generation duration is the total time for acquiring the ultrasonic image by using ultrasonic, and the half-pulse length is half of the pulse length in the ultrasonic imaging process.
3. The ultrasound device according to claim 1, wherein the processor performs the deriving of the pulse repetition time of the ROI box from the depth of the lower border of the ROI box, in particular configured to:
dividing the depth of the lower frame of the ROI frame by the propagation speed of the ultrasound in the biological tissue to obtain a second proportional value;
and multiplying the second proportional value by a preset threshold value to obtain an expanded second proportional value, and adding the expanded second proportional value, the ultrasonic generation duration and the half pulse length to obtain the pulse repetition time of the ROI frame, wherein the ultrasonic generation duration is the propagation time of ultrasonic waves in biological tissues, and the half pulse length is half of the pulse length in the ultrasonic imaging process.
4. The ultrasound device according to claim 1, wherein the processor performs the deriving of the current frame rate of the ultrasound image from the pulse repetition time of the ultrasound image and the number of current scan lines corresponding to the ultrasound image, and is specifically configured to:
and multiplying the pulse repetition time of the ultrasonic image by the number of the current scanning lines corresponding to the ultrasonic image to obtain a first intermediate value, and determining the reciprocal of the first intermediate value as the current frame rate of the ultrasonic image.
5. The ultrasound device according to claim 1, wherein the processor performs the deriving of the target frame rate within the ROI frame based on a current frame rate of the ultrasound image and a depth of a lower border of the ROI frame, in particular configured to:
dividing the depth of the lower frame of the ROI frame with the depth of the ultrasonic image to obtain a depth ratio; and the number of the first and second electrodes,
multiplying the depth ratio by the current frame rate of the ultrasonic image to obtain an intermediate frame rate; and the number of the first and second groups,
and multiplying the intermediate frame rate by a preset coefficient to obtain a target frame rate in the ROI frame.
6. The ultrasound device of claim 1, wherein the processor performs a pulse repetition time through the target frame rate and the ROI box to obtain a target number of scan lines within the ROI box, and is configured to:
determining an inverse of a product of the target frame rate and a pulse repetition time of the ROI box as a target number of scan lines within the ROI box.
7. A method of magnifying an ultrasound image, the method comprising:
responding to an instruction of amplifying an ultrasonic image sent by a user, obtaining the pulse repetition time of the ultrasonic image by using the depth of the ultrasonic image, and obtaining the pulse repetition time of an ROI (region of interest) frame according to the depth of a lower frame of the ROI frame;
obtaining the current frame rate of the ultrasonic image according to the pulse repetition time of the ultrasonic image and the number of the current scanning lines corresponding to the ultrasonic image;
obtaining a target frame rate in the ROI frame based on the current frame rate of the ultrasonic image and the depth of a lower frame of the ROI frame;
obtaining the target number of the scanning lines in the ROI frame according to the target frame rate and the pulse repetition time of the ROI frame;
and amplifying the ultrasonic image in the ROI frame by using the target number of the scanning lines in the ROI frame to obtain an amplified ultrasonic image.
8. The method of claim 7, wherein the obtaining the current frame rate of the ultrasound image according to the pulse repetition time of the ultrasound image and the number of current scan lines corresponding to the ultrasound image comprises:
and multiplying the pulse repetition time of the ultrasonic image by the number of the current scanning lines corresponding to the ultrasonic image to obtain a first intermediate value, and determining the reciprocal of the first intermediate value as the current frame rate of the ultrasonic image.
9. The method of claim 7, wherein obtaining the target frame rate within the ROI box based on the current frame rate of the ultrasound image and the depth of the lower border of the ROI box comprises:
dividing the depth of the lower frame of the ROI frame with the depth of the ultrasonic image to obtain a depth ratio; and the number of the first and second electrodes,
multiplying the depth ratio by the current frame rate of the ultrasonic image to obtain an intermediate frame rate; and (c) a second step of,
and multiplying the intermediate frame rate by a preset coefficient to obtain the target frame rate in the ROI frame.
10. The method of claim 7, wherein the target frame rate and the pulse repetition time of the ROI box, resulting in a target number of scan lines within the ROI box, comprises:
determining an inverse of a product of the target frame rate and a pulse repetition time of the ROI box as a target number of scan lines within the ROI box.
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