CN116869572B - An image processing method, system, device, and medium for ocular B-mode ultrasound examination - Google Patents
An image processing method, system, device, and medium for ocular B-mode ultrasound examinationInfo
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- CN116869572B CN116869572B CN202310982313.0A CN202310982313A CN116869572B CN 116869572 B CN116869572 B CN 116869572B CN 202310982313 A CN202310982313 A CN 202310982313A CN 116869572 B CN116869572 B CN 116869572B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/10—Eye inspection
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/46—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient
- A61B8/467—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient characterised by special input means
- A61B8/468—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient characterised by special input means allowing annotation or message recording
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/52—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/52—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/5292—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves using additional data, e.g. patient information, image labeling, acquisition parameters
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Abstract
The invention belongs to the technical field of medical informatization, and aims to provide an image processing method, an image processing system, image processing equipment and an image processing medium for eye B ultrasonic examination. According to the invention, the eye level is not required to be marked by manually inputting L or R on each acquired B ultrasonic image, the eye key point set is obtained through the face key point detection technology, then the probe position is detected in the eye images obtained during the acquisition of the B ultrasonic images, and the distance between the probe and each eye key point set is judged so as to obtain the eye key point index with the minimum probe distance, and the left eye position and the right eye position corresponding to the eye key point set corresponding to the index are the eye level of the current B ultrasonic image, so that the operation workload of the left hand of a doctor is reduced.
Description
Technical Field
The invention belongs to the technical field of medical informatization, and particularly relates to an image processing method, system, equipment and medium for eye B ultrasonic examination.
Background
Many diseases of the eye, especially those occurring inside the eyeball, are difficult to observe clearly by the naked eye, and at this time, ocular diseases can be confirmed by ocular B-ultrasonic examination. Specifically, the eye B-ultrasonic examination can provide valuable diagnostic clues without any damage to the eye, belongs to a non-invasive auxiliary examination, and can confirm whether eye muscles are swollen, whether a lens is dislocated, whether a vitreous body is turbid, whether a retina is detached, and the like based on the eye B-ultrasonic examination, and can also check whether an eyeball wall is provided with a foreign object and determine a specific position of the foreign object, and the like. In the process of performing the B ultrasonic examination of the eyes, the structure in the eyeball is observed through the eyelid by using the B ultrasonic probe, wherein the B ultrasonic probe can transmit ultrasonic waves to the eyeball and convert interface reflection echoes in the eyeball into echo spots with different brightness, and a two-dimensional acoustic slice image consisting of countless echo spots, namely the B ultrasonic image.
At present, when the B-ultrasonic examination of the eyes is performed, a doctor is usually required to hold a B-ultrasonic examination probe by the right hand to move around the eyes of a patient so as to acquire the B-ultrasonic image, and input an L (left) mark for marking the B-ultrasonic image as the left eye or an R (right) mark for marking the B-ultrasonic image as the right eye on a keyboard by the left hand so as to realize the eye marking.
However, in using the prior art, the inventors found that there are at least the following problems in the prior art:
In the process of the eye B-ultrasonic examination, a doctor usually acquires a large number of B-ultrasonic images, the left hand of the doctor needs to frequently input the L and R keys of a keyboard to realize the eye marking of the B-ultrasonic images, so that the doctor has large workload in the process of the eye B-ultrasonic examination, and in addition, after the B-ultrasonic images are acquired, the doctor cannot further mark which position of the eye corresponds to the B-ultrasonic image in the prior art, so that the eye lesion part cannot be rapidly and accurately judged when the follow-up doctor views the B-ultrasonic image of a patient.
Disclosure of Invention
The invention aims to solve the technical problems at least to a certain extent, and provides an image processing method, an image processing system, an image processing device and an image processing medium for eye B ultrasonic examination.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
in a first aspect, the present invention provides an image processing method for B-mode ultrasonic examination of eyes, including:
Acquiring a facial area image of a user, and acquiring an eye key point set according to the facial area image;
Acquiring a B-ultrasonic image acquired when a user performs B-ultrasonic inspection on eyes, and acquiring an eye region image of the user corresponding to the B-ultrasonic image when the B-ultrasonic image is acquired, wherein the acquisition time of the eye region image is the same as the acquisition time of the B-ultrasonic image;
B ultrasonic probe detection is carried out from the eye region image, so that B ultrasonic probe key points are obtained;
Obtaining an eye key point closest to the B ultrasonic probe key point in the eye key point set according to the B ultrasonic probe key point and the eye key point set, and taking the eye key point closest to the B ultrasonic probe key point as an eye key point index corresponding to the B ultrasonic image;
and obtaining the eye level of the B-ultrasonic image according to the eye key point index corresponding to the B-ultrasonic image.
In one possible design, deriving the set of eye keypoints from the facial region image comprises:
obtaining a face key point according to the face area image, and marking the face key point to obtain a plurality of marking symbols corresponding to the face key point;
acquiring a mark symbol corresponding to an eye key point set in the face key points;
and extracting an eye key point set from the face key points according to the mark symbols corresponding to the eye key point set in the face key points.
In one possible design, the distance between any one of the eye keypoints A and B-ultrasonic probe keypoint B in the eye keypoint set isWherein, (x 1,y1) is the coordinate corresponding to the current eye key point A, and (x 2,y2) is the coordinate corresponding to the B ultrasonic probe key point B.
In one possible design, after acquiring the B-mode image acquired when the user performs the B-mode examination of the eye, the method further includes:
and performing gain adjustment on the B ultrasonic image so as to improve the definition of the B ultrasonic image.
In one possible design, after acquiring the B-mode image acquired when the user performs the B-mode examination of the eye, the method further includes:
And acquiring a specified area image of the B ultrasonic image, and calculating the area of the specified area image according to the specified area image.
In one possible design, after acquiring the B-mode image acquired when the user performs the B-mode examination of the eye, the method further includes:
And calculating the length of the eye axis according to the B ultrasonic image.
In one possible design, after obtaining the eye of the B-mode ultrasound image, the method further includes:
and matching and storing the B-ultrasonic image and the eye region image of the user corresponding to the B-ultrasonic image.
In a second aspect, the present invention provides an image processing system for B-ultrasonic eye examination, for implementing the image processing method for B-ultrasonic eye examination according to any one of the above, the image processing system for B-ultrasonic eye examination includes:
The eye key point detection module is used for acquiring a facial area image of a user and acquiring an eye key point set according to the facial area image;
The eye image acquisition module is used for acquiring a B-ultrasonic image acquired when the user performs B-ultrasonic inspection on the eye, and acquiring an eye region image of the user corresponding to the B-ultrasonic image when the B-ultrasonic image is acquired, wherein the acquisition time of the eye region image is the same as the acquisition time of the B-ultrasonic image;
the probe key point detection module is in communication connection with the eye image acquisition module and is used for carrying out B-ultrasonic probe detection from the eye region image to obtain B-ultrasonic probe key points;
the key point index module is respectively in communication connection with the eye key point detection module and the probe key point detection module, and is used for obtaining an eye key point closest to the B-ultrasonic probe key point in the eye key point set according to the B-ultrasonic probe key point and the eye key point set, and taking the eye key point closest to the B-ultrasonic probe key point as an eye key point index corresponding to the B-ultrasonic image;
and the eye-level acquisition module is in communication connection with the key point index module and is used for acquiring the eye level of the B-ultrasonic image according to the eye key point index corresponding to the B-ultrasonic image.
In a third aspect, the present invention provides an electronic device, comprising:
A memory for storing computer program instructions, and
A processor for executing the computer program instructions to perform the operations of the image processing method for B-mode ultrasound examination of the eye as set forth in any one of the above.
In a fourth aspect, the present invention provides a computer-readable storage medium storing computer program instructions that are configured to, when executed, perform the operations of the image processing method for eye B-ultrasound examination as set forth in any one of the above.
In the implementation process of the embodiment, the following beneficial effects are as follows:
1) The doctor can know the eyes of the acquired B ultrasonic image without inputting the keys of L and R, and the left-hand operation workload of the doctor is reduced. Specifically, when performing the B-ultrasonic examination of the eyes, a doctor does not need to manually input L or R on each acquired B-ultrasonic image to mark the eyes, but obtains an eye key point set through a face key point detection technology, then detects the position of a probe in the eye image obtained during the acquisition of the B-ultrasonic image, and judges the distance between the probe and each eye key point set so as to obtain an eye key point index with the minimum probe distance, wherein the left eye position and the right eye position (L or R) corresponding to the eye key point set corresponding to the index are the eyes of the current B-ultrasonic image;
2) Because most of the acquired B-ultrasonic images are in the inner region of the eye, and the position of the lesion in the eye is not marked in the B-ultrasonic images, when the acquired B-ultrasonic images are stored, the B-ultrasonic images of the eyes are stored in a matched mode with the corresponding eye positions, so that the B-ultrasonic images and the corresponding eye positions can be displayed in a matched mode, a doctor can see the specific position of the lesion corresponding to the B-ultrasonic images of the eyes, and the doctor can conveniently and rapidly and accurately formulate a treatment scheme for a patient.
Drawings
FIG. 1 is a flowchart of an image processing method for B-mode ultrasound examination of an eye in an embodiment;
FIG. 2 is a schematic diagram of labeling an eye key point and a B-ultrasonic probe key point on an eye region image in an embodiment;
FIG. 3 is a block diagram of an image processing system for B-mode ultrasound examination of an eye in an embodiment;
fig. 4 is a block diagram of an electronic device in an embodiment.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the drawings is only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art. It should be noted that the description of these examples is for aiding in understanding the present invention, but is not intended to limit the present invention.
Example 1:
The embodiment discloses an image processing method for eye B-ultrasonic examination, which can be executed by computer equipment or virtual machine with certain computing resources, such as personal computer, smart phone, personal digital assistant or electronic equipment such as wearable equipment, or virtual machine.
As shown in fig. 1, an image processing method for B-ultrasonic eye examination may include, but is not limited to, the following steps:
S1, acquiring a facial area image of a user, and acquiring an eye key point set according to the facial area image, wherein the user in the embodiment usually refers to a patient to be subjected to eye B-ultrasonic examination, in the process, the patient needs to be guided to lie on an examination bed, the patient is assisted by medical staff to put a head position, the face of the patient faces a doctor, the patient is informed of slightly closing eyes and not opening, and after the patient is ready to lie on the back, the facial area image of the patient can be acquired in real time through a camera facing the patient, and the acquired facial area image is subjected to face key point detection, so that the eye key point set is acquired.
Specifically, in this embodiment, obtaining an eye keypoint set from a face region image includes:
S101, obtaining a face key point according to a face area image, marking the face key point to obtain a plurality of mark symbols corresponding to the face key point, wherein in the embodiment, the obtained face key point comprises key points of eyebrows, eyes, nose, mouth, face outline and other parts, and in the process, each key point is numbered, so that the left eye key point and the right eye key point can be conveniently extracted according to the number of an eye key point set.
In this embodiment, when obtaining the facial key points according to the facial area image, the facial key points are implemented by using a Face Mesh algorithm, and the algorithm can estimate 468 facial key points in the facial area image in real time. Specifically, obtaining facial key points according to the facial area image comprises inputting the facial area image into a Face Mesh algorithm model to obtain 468 facial key points.
S102, acquiring a mark symbol corresponding to the eye key point set in the face key points.
S103, extracting an eye key point set from the face key points according to the mark symbols corresponding to the eye key point set in the face key points.
For example, in the present embodiment, fig. 2 shows 12 eye key points P1 to P12 corresponding to the left and right eyes in the eye key point set.
S2, acquiring a B-ultrasonic image acquired when a user performs B-ultrasonic inspection, and acquiring an eye area image of the user corresponding to the B-ultrasonic image when the B-ultrasonic image is acquired, wherein the acquisition time of the eye area image is the same as that of the B-ultrasonic image, and in the embodiment, when the B-ultrasonic inspection of the eye is performed, a proper amount of coupling agent is required to be smeared on a B-ultrasonic probe, the B-ultrasonic probe is firstly arranged at the center of an eyelid, vertical and horizontal axis position scanning is performed, lesions are probed from a plurality of tangent planes at multiple angles, and then the B-ultrasonic image corresponding to an obvious lesion characteristic area can be acquired by adopting foot operation in the B-ultrasonic inspection of the prior art, so that the B-ultrasonic image can be acquired. In this embodiment, when the B-mode ultrasound image is acquired, the camera facing the patient automatically photographs, so as to obtain an eye region image of the user corresponding to the B-mode ultrasound image.
S3, B ultrasonic probe detection is carried out from the eye region image to obtain B ultrasonic probe key points, wherein in the embodiment, the positions of the B ultrasonic probe key points are changeable, and the positions of the B ultrasonic probe key points are determined according to the detection positions of the B ultrasonic probes in different eye region images.
In this embodiment, performing B-ultrasonic probe detection from the eye region image to obtain a key point of the B-ultrasonic probe includes:
S301, acquiring eye area images under different scenes and different angles, and marking probe key point data on the acquired eye area images to obtain marked images, wherein in the embodiment, all the eye area images comprise B-ultrasonic probe images;
S302, an initial probe detection model is built, the marked image is subjected to enhancement processing to obtain a preprocessed image, and the initial probe detection model is trained through the preprocessed image to obtain a trained probe detection model with high accuracy;
S303, inputting the eye region image to be detected into a trained probe detection model to obtain the key points of the B ultrasonic probe.
S4, according to the B ultrasonic probe key points and the eye key point set, obtaining an eye key point closest to the B ultrasonic probe key points in the eye key point set, taking the eye key point closest to the B ultrasonic probe key points as an eye key point index corresponding to the B ultrasonic image, wherein in the embodiment, the B ultrasonic probe key points and the eye key points in the eye key point set are stored in the form of coordinates, when the coordinates corresponding to any eye key point A in the eye key point set are (x 1,y1), and the coordinates corresponding to the B ultrasonic probe key point B are (x 2,y2), the distance between the eye key point A and the B ultrasonic probe key point B isIn this embodiment, the facial area image and the eye area image are acquired by the same fixed camera (i.e. the camera facing the patient), so that the corresponding B-ultrasonic probe keypoints and the corresponding eye keypoints are collected under the same coordinate system.
S5, obtaining the eye level of the B-ultrasonic image according to the eye key point index corresponding to the B-ultrasonic image. Specifically, in this embodiment, the eyes of the B-mode image are eye positions corresponding to the eye key index corresponding to the B-mode image, such as an L mark for the left eye or an R mark for the right eye.
S6, matching and storing the B-ultrasonic image and the eye region image of the user corresponding to the B-ultrasonic image.
It should be noted that, because most of the acquired B-ultrasonic images are in the inner region of the eye, and no lesion is marked in the B-ultrasonic images at which position of the eye, when the acquired B-ultrasonic images are stored, the B-ultrasonic images of the eye are stored in a matching way with the corresponding eye positions, so that the B-ultrasonic images and the corresponding eye positions can be displayed in a matching way, a doctor can see the specific lesion positions corresponding to the B-ultrasonic images of the eye, and the doctor can conveniently and rapidly and accurately formulate a treatment scheme for the patient.
In addition, in this embodiment, after acquiring the B-mode image acquired when the user performs the B-mode examination on the eye, the method further includes:
And performing gain adjustment on the B ultrasonic image so as to improve the definition of the B ultrasonic image. It should be noted that the gain may be adjusted during the B-mode scanning process, or may be adjusted after the image is frozen, i.e., the B-mode image is acquired, which is not limited herein. In this embodiment, the gain may be adjusted by, but not limited to, vertically moving the ball with the mouse, which is not limited herein.
And acquiring a specified region image of the B ultrasonic image, and calculating the area of the specified region image according to the specified region image, wherein the area is specifically the number of pixel points in the outline corresponding to the specified region image. In this embodiment, after calculating the area of the image of the designated area, the area of the designated area may be marked, so that the doctor can quickly confirm the area of the lesion.
And/or, calculating the length of the eye axis according to the B ultrasonic image. Specifically, in this embodiment, when the B-ultrasonic probe and the measured eyelid are scanned vertically in a horizontal axis, when the lens and the optic nerve are simultaneously displayed in the center of the acoustic image, the image is frozen to obtain a corresponding B-ultrasonic image, then the position 3mm below the optic disc is taken and is determined as the position of the macula lutea, the distance from the forefront end to the macula lutea is measured, the eyelid thickness is subtracted from 15-20 mm, the measurement is performed for 3 times, and the average value is taken, thereby obtaining the eye axis length.
In the implementation process of the embodiment, doctors can know the eyes of the acquired B ultrasonic images without inputting the keys of L and R, and the left-hand operation workload of the doctors is reduced. Specifically, when the doctor performs the B-ultrasonic examination on the eyes, the doctor does not need to manually input L or R on each acquired B-ultrasonic image to mark the eyes, but obtains an eye key point set through a face key point detection technology, then detects the position of a probe in the eye image obtained during the acquisition of the B-ultrasonic image, and judges the distance between the probe and each eye key point set so as to obtain an eye key point index with the minimum probe distance, wherein the left eye position and the right eye position (L or R) corresponding to the eye key point set corresponding to the index are the eyes of the current B-ultrasonic image.
Example 2:
The embodiment discloses an image processing system for B-ultrasonic eye examination, which is used for realizing the image processing method for B-ultrasonic eye examination in the embodiment 1, and as shown in fig. 3, the image processing system for B-ultrasonic eye examination comprises:
The eye key point detection module is used for acquiring a facial area image of a user and acquiring an eye key point set according to the facial area image;
The eye image acquisition module is used for acquiring a B-ultrasonic image acquired when the user performs the B-ultrasonic inspection, and acquiring an eye region image of the user corresponding to the B-ultrasonic image when the B-ultrasonic image is acquired, wherein the acquisition time of the eye region image is the same as the acquisition time of the B-ultrasonic image;
the probe key point detection module is in communication connection with the eye image acquisition module and is used for carrying out B-ultrasonic probe detection from the eye region image to obtain B-ultrasonic probe key points;
the key point index module is respectively in communication connection with the eye key point detection module and the probe key point detection module, and is used for obtaining an eye key point closest to the B-ultrasonic probe key point in the eye key point set according to the B-ultrasonic probe key point and the eye key point set, and taking the eye key point closest to the B-ultrasonic probe key point as an eye key point index corresponding to the B-ultrasonic image;
and the eye-level acquisition module is in communication connection with the key point index module and is used for acquiring the eye level of the B-ultrasonic image according to the eye key point index corresponding to the B-ultrasonic image.
Example 3:
on the basis of embodiment 1 or 2, this embodiment discloses an electronic device, which may be a smart phone, a tablet computer, a notebook computer, a desktop computer, or the like. An electronic device may be referred to as a terminal, a portable terminal, a desktop terminal, etc., as shown in fig. 4, the electronic device includes:
A memory for storing computer program instructions, and
A processor configured to execute the computer program instructions to perform the operations of the image processing method for B-mode ultrasound examination of an eye according to any one of embodiment 1.
In particular, processor 301 may include one or more processing cores, such as a 4-core processor, an 8-core processor, and the like. The processor 301 may be implemented in at least one hardware form of DSP (DIGITAL SIGNAL Processing), FPGA (Field-Programmable gate array), PLA (Programmable Logic Array ). The processor 301 may also include a main processor, which is a processor for processing data in a wake-up state, also referred to as a CPU (Central Processing Unit ), and a coprocessor, which is a low-power processor for processing data in a standby state. In some embodiments, the processor 301 may integrate a GPU (Graphics Processing Unit, image processor) for rendering and drawing of content required to be displayed by the display screen.
Memory 302 may include one or more computer-readable storage media, which may be non-transitory. Memory 302 may also include high-speed random access memory, as well as non-volatile memory, such as one or more magnetic disk storage devices, flash memory storage devices. In some embodiments, a non-transitory computer readable storage medium in memory 302 is used to store at least one instruction for execution by processor 301 to implement the image processing method for an eye ultrasonography B provided in embodiment 1 of the present application.
In some embodiments, the terminal may also optionally include a communication interface 303 and at least one peripheral device. The processor 301, the memory 302 and the communication interface 303 may be connected by a bus or signal lines. The respective peripheral devices may be connected to the communication interface 303 through a bus, signal line, or circuit board. Specifically, the peripheral devices include at least one of radio frequency circuitry 304, a display screen 305, and a power supply 306.
The communication interface 303 may be used to connect at least one peripheral device associated with an I/O (Input/Output) to the processor 301 and the memory 302. In some embodiments, processor 301, memory 302, and communication interface 303 are integrated on the same chip or circuit board, and in some other embodiments, either or both of processor 301, memory 302, and communication interface 303 may be implemented on separate chips or circuit boards, which is not limited in this embodiment.
The Radio Frequency circuit 304 is configured to receive and transmit RF (Radio Frequency) signals, also known as electromagnetic signals. The radio frequency circuitry 304 communicates with a communication network and other communication devices via electromagnetic signals.
The display screen 305 is used to display a UI (User Interface). The UI may include graphics, text, icons, video, and any combination thereof.
The power supply 306 is used to power the various components in the electronic device.
Example 4:
on the basis of any one of embodiments 1 to 3, this embodiment discloses a computer-readable storage medium for storing computer-readable computer program instructions configured to perform the operations of the image processing method for eye B-ultrasound examination described in embodiment 1 when executed.
It will be apparent to those skilled in the art that the modules or steps of the invention described above may be implemented in a general purpose computing device, they may be concentrated on a single computing device, or distributed across a network of computing devices, or they may alternatively be implemented in program code executable by computing devices, such that they may be stored in a memory device for execution by the computing devices, or they may be separately fabricated into individual integrated circuit modules, or multiple modules or steps within them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solution described in the above embodiments may be modified or some of the technical features may be equivalently replaced. Such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (9)
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