CN115237308B - Ultrasound image amplification method and ultrasound device - Google Patents
Ultrasound image amplification method and ultrasound device Download PDFInfo
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Abstract
The present disclosure provides an ultrasound image magnification method and an ultrasound apparatus. For improving the resolution of the enlarged ultrasound image. Comprising the following steps: responding to an instruction of amplifying an ultrasonic image sent by a user, obtaining pulse repetition time of the ultrasonic image by utilizing the depth of the ultrasonic image, and obtaining the pulse repetition time of the ROI frame according to the depth of the lower frame of the ROI frame 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 the lower frame of the ROI frame; obtaining a target number of scanning lines in the ROI frame through the target frame rate and the pulse repetition time of the ROI frame; and amplifying the ultrasonic image in the ROI frame by utilizing the target number of the scanning lines in the ROI frame to obtain an amplified ultrasonic image.
Description
Technical Field
The present invention relates to the field of image processing technologies, and in particular, to an ultrasound image amplifying method and an ultrasound apparatus.
Background
The ultrasonic image amplification is realized by randomly adjusting ROI (region of interest) the size of the region of interest frame by a user on the basis of the original ultrasonic image, and the ultrasonic image amplification display can be more beneficial to doctors to observe tissue details.
In the prior art, the amplification mode of the ultrasonic image is to achieve the amplification effect by adjusting the dot spacing and the line spacing of the ultrasonic image. But this approach results in a lower resolution and poorer image quality of the enlarged ultrasound image.
Disclosure of Invention
An exemplary embodiment of the disclosure provides an ultrasound image amplifying method and an ultrasound device, which are used for improving the resolution of an amplified ultrasound image and improving the image quality.
A first aspect of the present disclosure provides a method of magnifying an ultrasound image, the method comprising:
Responding to an instruction of amplifying an ultrasonic image sent by a user, obtaining pulse repetition time of the ultrasonic image by utilizing the depth of the ultrasonic image, and obtaining the pulse repetition time of the ROI frame according to the depth of the lower frame of the ROI frame 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 the lower frame of the ROI frame;
Obtaining a target number of scanning lines in the ROI frame through the target frame rate and the pulse repetition time of the ROI frame;
And amplifying the ultrasonic image in the ROI frame by utilizing the target number of the scanning lines in the ROI frame to obtain an amplified ultrasonic image.
In this embodiment, the current frame rate of the ultrasound image is used to determine the target frame rate in the ROI frame, then the 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 amplifying process, the frame rate is not too high or too low, the original line number before coordinate transformation can be further improved through the new scanning line number, the image resolution is improved, and the quality of the amplified ultrasonic image is improved.
In one embodiment, the obtaining the pulse repetition time of the ultrasound image 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;
Multiplying the first proportion value by a preset threshold value to obtain an enlarged first proportion value, and adding the enlarged first proportion value, ultrasonic generation duration and half pulse length to obtain pulse repetition time of the ultrasonic image, wherein the ultrasonic generation duration is 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 method and the device, the pulse repetition time of the ultrasonic image is determined through the depth of the ultrasonic image, the ultrasonic generation duration time and the half pulse length, so that the pulse repetition time of the ultrasonic image is determined more accurately.
In one embodiment, the obtaining the pulse repetition time of the ROI frame according to the depth of the lower border of the ROI frame includes:
Dividing the depth of the lower frame of the ROI frame by the propagation speed of ultrasound in biological tissues to obtain a second proportion value;
Multiplying the second proportion value by a preset threshold value to obtain an enlarged second proportion value, and adding the enlarged second proportion value, ultrasonic generation duration and 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 an 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 ultrasonic generation duration time and the half pulse length, so that the determined pulse repetition time in the ROI frame is more accurate.
In one embodiment, 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 includes:
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, and determining the reciprocal of the first intermediate value as the current frame rate of the ultrasonic image.
According to the method and the device, the current frame rate of the ultrasonic image is determined through the pulse repetition time of the ultrasonic image and the number of the current scanning lines corresponding to the ultrasonic image, so that the determined current frame rate of the ultrasonic image is more accurate.
In one embodiment, the processor executes the step of obtaining a 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, 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 is combined with the other components of the water treatment device,
Multiplying the depth ratio by the current frame rate of the ultrasonic image to obtain an intermediate frame rate; and
And multiplying the intermediate frame rate by a preset coefficient to obtain the target frame rate in the ROI frame.
According to the method and the device, the target frame rate in the ROI frame is determined through 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 one embodiment, the processor executes the step of obtaining a 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, specifically configured to:
the inverse of the product of the target frame rate and the pulse repetition time of the ROI frame is determined as a target number of scan lines within the ROI frame.
The present embodiment determines the number of scan lines within the ROI frame by 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 amplifying process, the frame rate is not too high or too low, the original line number before coordinate transformation can be further improved through the new scanning line number, the image resolution is improved, and the quality of the amplified ultrasonic image is improved.
A second aspect of the present disclosure provides an ultrasound apparatus comprising a storage unit and a processor, wherein:
the storage unit is configured to store an ultrasonic image;
the processor is configured to:
Responding to an instruction of amplifying an ultrasonic image sent by a user, obtaining pulse repetition time of the ultrasonic image by utilizing the depth of the ultrasonic image, and obtaining the pulse repetition time of the ROI frame according to the depth of the lower frame of the ROI frame 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 the lower frame of the ROI frame;
Obtaining a target number of scanning lines in the ROI frame through the target frame rate and the pulse repetition time of the ROI frame;
And amplifying the ultrasonic image in the ROI frame by utilizing the target number of the scanning lines in the ROI frame to obtain an amplified ultrasonic image.
In one embodiment, the processor executes the processing to obtain the pulse repetition time of the ultrasound image using the depth of the ultrasound image, 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;
Multiplying the first proportion value by a preset threshold value to obtain an enlarged first proportion value, and adding the enlarged first proportion value, ultrasonic generation duration and half pulse length to obtain pulse repetition time of the ultrasonic image, wherein the ultrasonic generation duration is 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 one embodiment, the processor executes the step of obtaining pulse repetition time of the ROI frame according to depth of a lower border of the ROI frame, and is specifically configured to:
Dividing the depth of the lower frame of the ROI frame by the propagation speed of ultrasound in biological tissues to obtain a second proportion value;
Multiplying the second proportion value by a preset threshold value to obtain an enlarged second proportion value, and adding the enlarged second proportion value, ultrasonic generation duration and 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 an ultrasonic imaging process.
In one 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:
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, and determining the reciprocal of the first intermediate value as the current frame rate of the ultrasonic image.
In one embodiment, the processor executes the step of obtaining a 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, 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 is combined with the other components of the water treatment device,
Multiplying the depth ratio by the current frame rate of the ultrasonic image to obtain an intermediate frame rate; and
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 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, specifically configured to:
the inverse of the product of the target frame rate and the pulse repetition time of the ROI frame is determined as a target number of scan lines within the ROI frame.
According to a third aspect provided by embodiments of the present disclosure, there is provided a computer storage medium storing a computer program for performing the method according to the first aspect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the following description are only some embodiments of the present disclosure, and that other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of a suitable scenario in one embodiment according to the present disclosure;
FIG. 2 is one of the flow diagrams of a method of magnification of an ultrasound image according to one 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 flow chart of determining a target frame rate within a ROI box according to an 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 view of an ultrasound image according to one embodiment of the present disclosure;
FIG. 7 is a second flow chart of a method of magnifying an ultrasound image in accordance with one embodiment of the present disclosure;
FIG. 8 is an enlarged device of an ultrasound image according to one embodiment of the present disclosure;
fig. 9 is a schematic structural view of an ultrasound device according to one embodiment of the present disclosure.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are some embodiments of the present disclosure, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without inventive effort, based on the embodiments in this disclosure are intended to be within the scope of this disclosure.
The term "and/or" in the embodiments of the present disclosure describes an association relationship of association objects, which indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.
The application scenario described in the embodiments of the present disclosure is for more clearly describing the technical solution of the embodiments of the present disclosure, and does not constitute a limitation on the technical solution provided by the embodiments of the present disclosure, and as a person of ordinary skill in the art can know that, with the appearance of a new application scenario, the technical solution provided by the embodiments of the present disclosure is equally applicable to similar technical problems. In the description of the present disclosure, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the prior art, the amplification mode of the ultrasonic image is to achieve the amplification effect by adjusting the dot spacing and the line spacing of the ultrasonic image. But this approach results in a lower resolution and poorer image quality of the enlarged ultrasound image.
Accordingly, the present disclosure provides an ultrasound image magnification method that determines a target frame rate within an ROI frame by using a current frame rate of an ultrasound image, then obtains a target number of scan lines within the ROI frame based on the target frame rate, and then enlarges an image within the ROI frame based on the target number of scan lines within the ROI frame. Therefore, the frame rate is improved to a certain extent in the image amplifying process, the frame rate is not too high or too low, the original line number before coordinate transformation can be further improved through the new scanning line number, the image resolution is improved, and the quality of the amplified ultrasonic image is improved. The following describes aspects of the present disclosure in detail with reference to the accompanying drawings.
As shown in fig. 1, an application scenario of an ultrasound image magnification method includes: an ultrasound device 10 and a memory 20; wherein:
In one possible application scenario, the ultrasound device 10 responds to an instruction sent by a user to zoom in on an ultrasound image, obtains a pulse repetition time of the ultrasound image 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; then, the ultrasonic device 10 obtains 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 the lower frame of the ROI frame; then, the ultrasound apparatus 10 obtains the target number of scan lines in the ROI frame by the target frame rate and the pulse repetition time of the ROI frame, and enlarges the ultrasound image in the ROI frame by using the target number of scan lines in the ROI frame, to obtain an enlarged ultrasound image.
Wherein the description in the present application is detailed only with respect to a single ultrasound device 10 and memory 20, it should be understood by those skilled in the art that the ultrasound device 10 and memory 20 are shown to be representative of the operation of the ultrasound device 10 and memory 20 in relation to the teachings of the present application. And is not meant to imply limitations on the number, type, location, etc. of ultrasound devices 10 and memory 20. It should be noted that the underlying concepts of the exemplary embodiments of this application are not altered if additional modules are added to or individual modules are removed from the illustrated environment. In addition, although a double-headed arrow from the memory 20 to the ultrasound device 10 is shown in fig. 1 for ease of illustration, those skilled in the art will appreciate that the above-described data transmission and reception is also required to be implemented over a network.
It should be noted that, the memory in the embodiment of the present application may be, for example, a cache system, or may be hard disk storage, memory storage, or the like. In addition, the method for amplifying the ultrasonic image provided by the application is not only suitable for the application scene shown in fig. 1, but also suitable for any device with the ultrasonic image amplifying requirement.
As shown in fig. 2, which is a flow chart of an ultrasound image magnification method of 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 pulse repetition time of the ultrasonic image by utilizing the depth of the ultrasonic image, and obtaining the pulse repetition time of the ROI frame according to the depth of the lower frame of the ROI frame of the region of interest;
For example, as shown in fig. 3, the interface is a schematic diagram of a terminal interface, and a button with a real-time amplifying function is arranged in the interface, so that after the user clicks the button, the user can enter the real-time amplifying function of the ultrasonic image, that is, the user sends an instruction for amplifying the ultrasonic image.
In one embodiment, the pulse repetition time of an 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; multiplying the first proportion value by a preset threshold value to obtain an enlarged first proportion value, and adding the enlarged first proportion value, ultrasonic generation duration and half pulse length to obtain pulse repetition time of the ultrasonic image, wherein the ultrasonic generation duration is 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. Wherein the ultrasound image pulse repetition time can be determined by formula (1):
Wherein PRT C is the pulse repetition time of the ultrasound image, a is the preset threshold, d 1 is the depth of the ultrasound image, V s is the propagation speed of the ultrasound in the biological tissue, T is the ultrasound generation duration, and r xoffs is the half pulse length.
It should be noted that: the depth of the ultrasound image, the propagation velocity of the ultrasound within 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 frame is determined by:
Dividing the depth of the lower frame of the ROI frame by the propagation speed of ultrasound in biological tissues to obtain a second proportion value; multiplying the second proportion value by a preset threshold value to obtain an enlarged second proportion value, and adding the enlarged second proportion value, ultrasonic generation duration and 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 an ultrasonic imaging process. Wherein the pulse repetition time of the ROI box can be determined by equation (2):
Wherein PRT ROI is pulse repetition time of the ROI frame, a is the preset threshold, d 2 is depth of the lower border of the ROI frame, V s is propagation speed of ultrasonic waves in biological tissues, T is the ultrasonic generation duration, and 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, and the depth of the lower frame of the ROI frame can be directly obtained, and the preset threshold value a in this embodiment is 2, but the specific value of the preset threshold value is not limited, and 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:
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, 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 equation (3):
Where FPS C is the current frame rate of the ultrasound image, PRT C is the pulse repetition time of the ultrasound image, and L 1 is the number of current scan lines.
It should be noted that: the number of current scan lines can be obtained directly.
Step 203: obtaining a target frame rate in the ROI frame based on the current frame rate of the ultrasonic image and the depth of the lower frame of the ROI frame;
The following describes in detail a specific manner of determining the target frame rate in the ROI frame, as shown in fig. 4, which is a schematic flowchart 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 within the ROI frame can be obtained by equation (4):
Wherein, FPS expected is the target frame rate in the ROI frame, FPS C is the current frame rate of the ultrasound image, d 2 is the depth of the lower frame of the ROI frame, d 1 is the depth of the ultrasound image, and B is the preset coefficient.
It should be noted that: the specific value of the preset coefficient may be set based on the actual situation, and the preset coefficient is not limited in this embodiment.
Step 204: obtaining a target number of scanning lines in the ROI frame through 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 frame is determined as the target number of scan lines within the ROI frame. Wherein the target number of scan lines within the ROI frame is obtained by equation (5):
Where L ROI is the target number of scan lines within the ROI box, FPS expected is the target frame rate within the ROI box, PRT ROI is the pulse repetition time of the ROI box.
Step 205: and amplifying the ultrasonic image in the ROI frame by utilizing 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 enlarged 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 in which the ultrasound image in the ROI frame is enlarged by using the target number of scan lines in the ROI frame is not limited herein, and a specific method may be set according to actual situations.
In one embodiment, after performing step 205, the resolution of the enlarged ultrasound image may be further improved by optimizing the front-end parameters, where the resolution of the image includes a lateral resolution and a longitudinal resolution, and the following ways of improving the lateral resolution and the longitudinal resolution are respectively described below:
Longitudinal resolution: the longitudinal resolution of an ultrasound image depends on the pulse length. I.e. the shorter the pulse length, the higher the longitudinal resolution of the ultrasound image. Thus, the size of the pulse length can be adjusted to adjust the longitudinal resolution of the ultrasound image. And from equation (6), the longitudinal resolution of the ultrasound image is related to the number of transmit pulse cycles and the transmit frequency. Therefore, increasing the number of transmit pulse cycles or decreasing the transmit frequency to some extent may increase the longitudinal resolution of the ultrasound image.
Wherein Q is the longitudinal resolution, V s is the propagation speed of ultrasonic waves in biological tissues, T Pulse is the number of emitted pulse cycles, and f is the emitted frequency.
Lateral resolution: the lateral resolution of an 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 at the adjustment of the pulse width. Wherein the pulse width depends on the size of the ultrasonic emission aperture. So that the transverse resolution of the ultrasonic image can be improved by improving the size of the ultrasonic emission aperture in a specified range.
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: responding to an instruction of amplifying an ultrasonic image sent by a user, dividing the depth of the ultrasonic image by the propagation speed of ultrasonic waves in biological tissues, and obtaining a first proportional value;
Step 702: multiplying the first proportion value by a preset threshold value to obtain an enlarged first proportion value, and adding the enlarged first proportion value, ultrasonic generation duration and half pulse length to obtain pulse repetition time of the ultrasonic image, wherein the ultrasonic generation duration is 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;
step 703: dividing the depth of the lower frame of the ROI frame by the propagation speed of ultrasound in biological tissues to obtain a second proportion value;
step 704: multiplying the second proportion value by a preset threshold value to obtain an enlarged second proportion value, and adding the enlarged second proportion value, ultrasonic generation duration and half pulse length to obtain 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 an 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 an inverse of the first intermediate value as a current frame rate of the ultrasound 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 frame as a target number of scan lines within the ROI frame;
Step 711: and amplifying the ultrasonic image in the ROI frame by utilizing the target number of the scanning lines in the ROI frame to obtain an amplified ultrasonic image.
Based on the same disclosure concept, the ultrasound image amplifying method described above in the present disclosure may also be implemented by an ultrasound image amplifying apparatus. The effect of the amplifying device of the ultrasound image is similar to that of the previous method, and will not be described again here.
Fig. 8 is a schematic structural view of an ultrasound image magnifying apparatus according to an embodiment of the present disclosure.
As shown in fig. 8, the probability triggering apparatus 800 of 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, in response to an instruction for amplifying an ultrasound image sent by a user, pulse repetition time of the ultrasound image by using a depth of the ultrasound image, and obtain pulse repetition time of an ROI frame according to a depth of a lower frame of the ROI frame;
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 a current frame rate of the ultrasound image and a depth of a lower border of the ROI frame;
A scan line target number determining module 840, configured to obtain a target number of scan lines in the ROI frame through the target frame rate and the pulse repetition time of the ROI frame;
the ultrasound image amplifying module 850 is configured to amplify the ultrasound image in the ROI frame by using the target number of the scan lines in the ROI frame, so as to obtain an amplified ultrasound image.
In one embodiment, the pulse repetition time determining 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;
Multiplying the first proportion value by a preset threshold value to obtain an enlarged first proportion value, and adding the enlarged first proportion value, ultrasonic generation duration and half pulse length to obtain pulse repetition time of the ultrasonic image, wherein the ultrasonic generation duration is 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 one 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 ultrasound in biological tissues to obtain a second proportion value;
Multiplying the second proportion value by a preset threshold value to obtain an enlarged second proportion value, and adding the enlarged second proportion value, ultrasonic generation duration and 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 an ultrasonic imaging process.
In one embodiment, the current frame rate module 820 is specifically configured to:
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, and determining the reciprocal of the first intermediate value as the current frame rate of the ultrasonic image.
In one 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 is combined with the other components of the water treatment device,
Multiplying the depth ratio by the current frame rate of the ultrasonic image to obtain an intermediate frame rate; and
And multiplying the intermediate frame rate by a preset coefficient to obtain the target frame rate in the ROI frame.
In one embodiment, the scan line target number determining module 840 is specifically configured to:
the inverse of the product of the target frame rate and the pulse repetition time of the ROI frame is determined as a target number of scan lines within the ROI frame.
Having described a method and apparatus for amplifying an ultrasound image according to an exemplary embodiment of the present disclosure, next, an ultrasound apparatus according to another exemplary embodiment of the present disclosure is described.
Those skilled in the art will appreciate that the various aspects of the present disclosure may be implemented as a system, method, or program product. Accordingly, various aspects of the disclosure may be embodied in the following forms, namely: an entirely hardware embodiment, an entirely software embodiment (including firmware, micro-code, etc.) or an embodiment combining hardware and software aspects may be referred to herein as a "circuit," module "or" system.
In some possible embodiments, an ultrasound device according to 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 a processor, causes the processor to perform the steps in the ultrasound image magnification method 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 such an 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 be construed as limiting the functionality and scope of use of the disclosed embodiments.
As shown in fig. 9, the ultrasound device 900 is embodied in the form of a general purpose ultrasound device. 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, a bus 903 connecting the various system components, including the computer storage medium 902 and the processor 901.
Bus 903 represents one or more 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.
The 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.
The computer storage media 902 may also include a program/utility 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 or some combination of which may include 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.), one or more devices that enable a user to interact with the ultrasound device 900, and/or any device (e.g., router, modem, etc.) that enables the ultrasound device 900 to communicate with one or more other ultrasound devices. Such communication may occur through an input/output (I/O) interface 905. Also, the ultrasound device 900 may communicate with one or more networks such as a Local Area Network (LAN), a Wide Area Network (WAN) and/or a public network, such as the Internet, through a network adapter 906. As shown, the network adapter 906 communicates with other modules for the ultrasound device 900 via the bus 903. It should be appreciated that although not shown in the figures, other hardware and/or software modules may be used in connection with the ultrasound device 900, including but not limited to: microcode, device drivers, redundant processors, external disk drive arrays, RAID systems, tape drives, data backup storage systems, and the like.
In some possible embodiments, aspects of an ultrasound image magnification method provided by the present disclosure may also be implemented in the form of a program product comprising program code for causing a computer device to perform the steps of the ultrasound image magnification method according to the various exemplary embodiments of the present disclosure as described above 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 can be, for example, but is 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 would include the following: an electrical connection having one or more wires, a portable disk, a hard disk, a random access computer storage medium (RAM), a read-only computer storage medium (ROM), an erasable programmable read-only computer storage medium (EPROM or flash memory), an optical fiber, a portable compact disc read-only computer storage medium (CD-ROM), an optical computer storage medium, a magnetic computer storage medium, or any suitable combination of the foregoing.
The enlarged program product of the ultrasound image of the embodiments of the present disclosure may employ a portable compact disc 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.
The readable signal medium may include a data signal propagated in baseband or as part of a carrier wave with readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A readable signal medium may also 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 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's ultrasound device, partly on the user's device, as a stand-alone software package, partly on the user's ultrasound device, partly on a remote ultrasound device, or entirely on the remote ultrasound device or ultrasound device. In the case of remote ultrasound devices, 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., connected through the internet using an internet service provider).
It should be noted that although several modules of the apparatus are mentioned in the detailed description above, this division is merely exemplary and not mandatory. Indeed, the features and functions of two or more modules described above may be embodied in one module in accordance with embodiments of the present disclosure. Conversely, the features and functions of one module described above may be further divided into a plurality of modules to be embodied.
Furthermore, although the operations of the methods of the present disclosure are depicted in the drawings in a particular order, this is not required or suggested that these operations must be performed in this particular order or that all of the illustrated operations must be performed in order to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step to perform, and/or one step decomposed into multiple steps to perform.
It will be apparent to those skilled in the art that 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-ROM, 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 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 modifications and variations can be made to the present disclosure without departing from the spirit or scope of the disclosure. Thus, the present disclosure is intended to include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (6)
1. An ultrasound device comprising a memory unit and a processor, wherein:
the storage unit is configured to store an ultrasonic image;
the processor is configured to:
Responding to an instruction of amplifying an ultrasonic image sent by a user, obtaining pulse repetition time of the ultrasonic image by utilizing the depth of the ultrasonic image, and obtaining the pulse repetition time of the ROI frame according to the depth of the lower frame of the ROI frame 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 the lower frame of the ROI frame;
Obtaining a target number of scanning lines in the ROI frame through the target frame rate and the pulse repetition time of the ROI frame;
Amplifying the ultrasonic image in the ROI frame by utilizing the target number of the scanning lines in the ROI frame to obtain an amplified ultrasonic image;
The processor executes the step of utilizing the depth of the ultrasonic image to obtain pulse repetition time of the ultrasonic 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;
Multiplying the first proportion value by a preset threshold value to obtain an enlarged first proportion value, and adding the enlarged first proportion value, ultrasonic generation duration and half pulse length to obtain pulse repetition time of the ultrasonic image, wherein the ultrasonic generation duration is 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;
The processor executes the step of obtaining pulse repetition time of the ROI frame according to the depth of the lower border of the ROI frame of the region of interest, and is specifically configured to:
Dividing the depth of the lower frame of the ROI frame by the propagation speed of ultrasound in biological tissues to obtain a second proportion value;
Multiplying the second proportion value by a preset threshold value to obtain an enlarged second proportion value, and adding the enlarged second proportion value, ultrasonic generation duration and half pulse length to obtain 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 an ultrasonic imaging process;
the processor executes the processing to obtain a target frame rate within the ROI frame based on the current frame rate of the ultrasound image and the depth of the lower border of the ROI frame, 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 is combined with the other components of the water treatment device,
Multiplying the depth ratio by the current frame rate of the ultrasonic image to obtain an intermediate frame rate; and
And multiplying the intermediate frame rate by a preset coefficient to obtain the target frame rate in the ROI frame.
2. The ultrasound device of claim 1, wherein the processor is configured to obtain a current frame rate of the ultrasound image based on the pulse repetition time of the ultrasound image and the number of current scan lines corresponding to the ultrasound image, and is configured to:
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, and determining the reciprocal of the first intermediate value as the current frame rate of the ultrasonic image.
3. The ultrasound device of claim 1, wherein the processor performs deriving a target number of scan lines within the ROI frame from the target frame rate and pulse repetition time of the ROI frame, specifically configured to:
the inverse of the product of the target frame rate and the pulse repetition time of the ROI frame is determined as a target number of scan lines within the ROI frame.
4. A method of magnifying an ultrasound image, the method comprising:
Responding to an instruction of amplifying an ultrasonic image sent by a user, obtaining pulse repetition time of the ultrasonic image by utilizing the depth of the ultrasonic image, and obtaining the pulse repetition time of the ROI frame according to the depth of the lower frame of the ROI frame 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 the lower frame of the ROI frame;
Obtaining a target number of scanning lines in the ROI frame through the target frame rate and the pulse repetition time of the ROI frame;
Amplifying the ultrasonic image in the ROI frame by utilizing the target number of the scanning lines in the ROI frame to obtain an amplified ultrasonic image;
the step of obtaining the pulse repetition time of the ultrasonic image by utilizing the depth of the ultrasonic image comprises the following steps:
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;
Multiplying the first proportion value by a preset threshold value to obtain an enlarged first proportion value, and adding the enlarged first proportion value, ultrasonic generation duration and half pulse length to obtain pulse repetition time of the ultrasonic image, wherein the ultrasonic generation duration is 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;
And obtaining pulse repetition time of the ROI frame according to the depth of the lower border of the ROI frame of the region of interest, wherein the pulse repetition time comprises the following steps:
Dividing the depth of the lower frame of the ROI frame by the propagation speed of ultrasound in biological tissues to obtain a second proportion value;
Multiplying the second proportion value by a preset threshold value to obtain an enlarged second proportion value, and adding the enlarged second proportion value, ultrasonic generation duration and half pulse length to obtain 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 an ultrasonic imaging process;
The obtaining 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 includes:
Dividing the depth of the lower frame of the ROI frame with the depth of the ultrasonic image to obtain a depth ratio; and is combined with the other components of the water treatment device,
Multiplying the depth ratio by the current frame rate of the ultrasonic image to obtain an intermediate frame rate; and
And multiplying the intermediate frame rate by a preset coefficient to obtain the target frame rate in the ROI frame.
5. The method of claim 4, 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:
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, and determining the reciprocal of the first intermediate value as the current frame rate of the ultrasonic image.
6. The method of claim 4, wherein the target frame rate and pulse repetition time of the ROI frame result in a target number of scan lines within the ROI frame, comprising:
the inverse of the product of the target frame rate and the pulse repetition time of the ROI frame is determined as a target number of scan lines within the ROI frame.
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