CN113723297A - Cervical vertebra posture assessment method, device, equipment and storage medium - Google Patents
Cervical vertebra posture assessment method, device, equipment and storage medium Download PDFInfo
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Abstract
The embodiment of the application is suitable for the fields of artificial intelligence technology and digital medical treatment, and provides a cervical vertebra posture assessment method, a device, equipment and a storage medium, wherein the method comprises the following steps: determining a plurality of target feature points in a face region of a patient and position information of the plurality of target feature points in the face region respectively; according to the position information, a face structure diagram containing a plurality of target characteristics is constructed; monitoring the dynamic change of the human face structure chart in the rotation process of the head of the patient; the dynamic change of the human face structure chart comprises the change of the rotation angle of the head in the rotation process; based on the dynamic changes, the cervical posture of the patient is evaluated. By adopting the method, the waste of medical resources can be avoided, and the time cost for the patient to go to the hospital is reduced.
Description
Technical Field
The application belongs to the field of artificial intelligence technology and digital medical treatment, and particularly relates to a cervical vertebra posture assessment method, device, equipment and storage medium.
Background
Cervical spondylosis is a common and extremely harmful chronic disease, the cure is very difficult, and many patients need to be hospitalized for operation treatment or go to a hospital for rehabilitation and treatment for many times.
However, in the prior art, the hospitalization doctors need to spend a lot of time to make an inquiry in order to understand the condition of the patients in detail and to record the condition accurately. Moreover, because some patients have insufficient oral expression ability to accurately describe the disease condition to the doctor, the doctor spends a lot of time and cannot accurately know the posture of the cervical vertebrae of the patient to determine the health degree of the cervical vertebrae of the patient, and evaluation errors are easily generated. Therefore, the mode of going to the hospital to determine the health degree of the cervical vertebra of the patient not only wastes medical resources, but also wastes the time cost of the patient going to the hospital.
Disclosure of Invention
The embodiment of the application provides a cervical vertebra posture assessment method, a device, equipment and a storage medium, which can avoid waste of medical resources and reduce the time cost for a patient to go to a hospital.
In a first aspect, an embodiment of the present application provides a method for estimating a posture of a cervical vertebra, where the method includes:
determining a plurality of target feature points in a face region of a patient and position information of the plurality of target feature points in the face region respectively;
according to the position information, a face structure diagram containing a plurality of target characteristics is constructed;
monitoring the dynamic change of the human face structure chart in the rotation process of the head of the patient; the dynamic change of the human face structure chart comprises the change of the rotation angle of the head in the rotation process;
based on the dynamic changes, the cervical posture of the patient is evaluated.
In one embodiment, constructing a face structure diagram including a plurality of target features according to the position information includes:
and according to the position information of the target feature points, connecting the target feature points with each other in pairs sequentially through line segments to obtain a face structure diagram.
In one embodiment, monitoring the dynamic changes of the face structure map during rotation of the patient's head includes:
calculating the graphic area of the face structure chart according to the position information;
acquiring the area change of the graph area of the head in the rotating process;
and determining the rotation angle change of the head in the rotation process according to the area change and the position information.
In one embodiment, determining a rotation angle change of the head during rotation based on the area change and the position information comprises:
determining the rotation direction of the head according to the position information of the target feature point at the last moment and the position information of the target feature point at the current moment aiming at any one of the plurality of target feature points;
determining the rotation angle of the head at the current moment according to the corresponding relation between the graph area at the current moment and the preset graph area range and the rotation angle of the head; and the number of the first and second groups,
and calculating the change of the rotation angle of the head according to the rotation angle at the current moment and the rotation angle at the last moment.
In one embodiment, the assessment of the patient's cervical posture is based on dynamic changes, including:
determining the maximum rotation angle of the head from the dynamic change;
after the rotation process is finished, acquiring feeling information input by a patient;
and determining the cervical vertebra posture of the patient based on the feeling information and the maximum rotation angle.
In one embodiment, calculating the health of the cervical vertebrae of the patient based on the sensory information and the maximum rotation angle comprises:
sensing information and the maximum rotation angle are calculated by adopting a cervical vertebra posture calculation formula, and the cervical vertebra posture of the patient is determined, wherein the cervical vertebra posture calculation formula is as follows:
wherein theta is the maximum rotation angle; w is aθThe weight value is the weight value corresponding to the maximum rotation angle; i is the i-th perception information, n kinds of perception information, wiThe weighted value is corresponding to the ith feeling information, and xi is a preset numerical value corresponding to the ith feeling information.
In one embodiment, after determining the health degree of the cervical vertebrae of the patient based on the dynamic changes, the method further comprises:
determining the rehabilitation action corresponding to the cervical vertebra of the patient according to the evaluated cervical vertebra posture;
and correcting the rotation action of the head in the rotation process based on the rehabilitation action.
In a second aspect, an embodiment of the present application provides a cervical posture assessment device, including:
the identification module is used for determining a plurality of target feature points in the face area of the patient and position information of the plurality of target feature points in the face area respectively;
the construction module is used for constructing a face structure chart containing a plurality of target characteristics according to the position information;
the monitoring module is used for monitoring the dynamic change of the human face structure chart in the rotation process of the head of the patient; the dynamic change of the face structure chart comprises the change of the rotation angle of the head in the rotation process;
and the cervical vertebra posture evaluation module is used for evaluating the cervical vertebra posture of the patient based on the dynamic change.
In a third aspect, an embodiment of the present application provides a cervical posture assessment apparatus, including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the method according to any one of the above first aspects when executing the computer program.
In a fourth aspect, the present application provides a computer-readable storage medium, in which a computer program is stored, and when executed by a processor, the computer program implements the method according to any one of the above first aspects.
In a fifth aspect, embodiments of the present application provide a computer program product, which, when run on a cervical spine posture assessment apparatus, causes the cervical spine posture assessment apparatus to perform the method of any one of the above first aspects.
Compared with the prior art, the embodiment of the application has the advantages that: a face structure chart containing each target characteristic is constructed by determining a plurality of target characteristic points in the face area of the patient and the position information of each target characteristic point in the face area. Afterwards, the cervical vertebra posture evaluation equipment can monitor the change of the rotation angle of the head of the patient in the rotation process in real time to determine whether the head of the patient can normally rotate, and then, the cervical vertebra posture of the patient is evaluated to obtain the health degree of the cervical vertebra of the patient. Based on this, the patient can accurately know the health degree of self cervical vertebra based on cervical vertebra gesture evaluation equipment in real time, and need not to go to the hospital many times and diagnose, reduces medical resource's waste and reduces the time cost that the patient went to the hospital.
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In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a flowchart illustrating an implementation of a method for estimating a posture of a cervical vertebra according to an embodiment of the present application;
fig. 2 is a schematic diagram illustrating an implementation manner of S103 in a method for evaluating a posture of a cervical vertebra according to an embodiment of the present application;
fig. 3 is a schematic diagram illustrating an implementation manner of S1033 in a method for estimating a posture of a cervical vertebra according to an embodiment of the present application;
fig. 4 is a schematic diagram illustrating an implementation manner of S104 in a method for estimating a posture of a cervical vertebra according to an embodiment of the present application;
fig. 5 is a flowchart illustrating an implementation of a method for estimating a posture of a cervical vertebra according to another embodiment of the present application;
fig. 6 is a schematic structural diagram of a cervical posture assessment apparatus according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a cervical posture assessment apparatus according to an embodiment of the present application.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
Furthermore, in the description of the present application and the appended claims, the terms "first," "second," "third," and the like are used for distinguishing between descriptions and not necessarily for describing or implying relative importance.
Referring to fig. 1, fig. 1 shows a flowchart of an implementation of a method for estimating a posture of a cervical vertebra according to an embodiment of the present application, where the method includes the following steps:
s101, the cervical vertebra posture assessment equipment determines a plurality of target feature points in a face region of a patient and position information of the target feature points in the face region.
In an embodiment, the above-mentioned cervical posture estimation apparatus may determine, by a face recognition technique, a plurality of target feature points in a face region of the patient, and position information of the plurality of target feature points in the face region, respectively. The face recognition technology can detect the position of a target feature point in a face through an existing face recognition model. Specifically, the face recognition technology may be a feature recognition method (principal component analysis of principal component analysis by Eigenface) for performing feature recognition on the face of the patient, recognizing feature points such as eyes, nose tip, and chin in the face of the patient as target feature points, and determining the position of the target feature points in the face region.
The cervical vertebra posture evaluation equipment can be wirelessly connected with the camera equipment, and when a patient uses the camera equipment to shoot the face of the patient, the cervical vertebra posture evaluation equipment can recognize position information of target feature points in the face region of the patient in real time based on a face recognition technology. The cervical spondylosis can be identified by the patient, the face of the patient is shot through the camera shooting device, and then the shot video containing the face is uploaded to the cervical vertebra posture assessment device. Therefore, the cervical vertebra posture evaluation equipment can also identify the video to obtain the target feature points of the face area in each frame of video image in the video, and the method is not limited.
In an embodiment, the patient may be a patient with cervical spondylosis, or may be a person to be identified whether the patient has cervical spondylosis. It is necessary to supplement that, for the patient who has been confirmed to have cervical spondylosis, the patient can evaluate his own cervical posture by the cervical posture evaluating device to determine his own cervical health degree; for the person who is to be identified whether or not to have cervical spondylosis, it may also determine whether or not to have cervical spondylosis by the cervical posture evaluating apparatus itself, and when determining to have cervical spondylosis, determine the health degree of the cervical vertebra at the same time.
In one embodiment, the patient uploads a face to the cervical posture assessment device, typically in the form of a video. Specifically, the patient can be in the process of shooting the video, and the front parallel alignment camera equipment is first followed, and then, whether the patient has the guide action of cervical spondylopathy based on the detection, carries out the head and rotates. For example, the patient may rotate the head to the left, right, lower, and upper sides in sequence, but the present invention is not limited thereto.
It can be understood that, when the above-mentioned cervical vertebra posture estimation device identifies the face of the patient in real time, the face of the patient identified at the current time can be regarded as a frame of video image containing the face of the patient. Based on this, the cervical posture evaluating apparatus, after recognizing the target feature points from the video image, can determine the position information of the target feature points based on the positions of the respective target feature points in the video image. For example, the cervical vertebra posture assessment device may determine, in advance, a pixel point at the same position of each frame of video image as a coordinate origin to construct a two-dimensional coordinate system. And then respectively determining the position information of the plurality of target characteristic points in the video image based on the two-dimensional coordinate system.
S102, the cervical vertebra posture evaluation equipment constructs a human face structure diagram containing a plurality of target characteristics according to the position information.
In an embodiment, after determining the position information of the plurality of target feature points, the cervical vertebra posture assessment device may sequentially connect the plurality of target feature points with each other through line segments according to the position information of the plurality of target feature points, so as to obtain a face structure diagram.
For example, the cervical posture evaluating apparatus may determine the eye feature points and the nose feature points from a plurality of target feature points. And then, connecting the three feature points sequentially through line segments to obtain a human face structure diagram with a triangular structure.
It is necessary to supplement that the cervical vertebra posture evaluating device connects the eye feature points and the nose feature points by line segments to obtain a face structure diagram with a triangular structure. Therefore, it can be understood that the plurality of target feature points may also include the remaining feature points within the face structure diagram. In this embodiment, the target feature points of the constructed face structure diagram and the number of the target feature points are not limited.
It should be noted that, since the video including the human face is described as being uploaded to the cervical spine posture estimation apparatus in S101. Therefore, for any frame of video image in the video, the cervical vertebra posture evaluation equipment can identify the position information of a plurality of target feature points in the face of the patient through the face identification technology. And further, constructing a face structure diagram in each frame of video image.
S103, monitoring dynamic changes of the human face structure chart in the rotation process of the head of the patient by the cervical vertebra posture evaluating device; the dynamic change of the face structure chart comprises the rotation angle change of the head in the rotation process.
In an embodiment, because the cervical vertebra posture estimation device can identify the target feature points of the face region of the patient in each frame of video image in real time to construct the face structure diagram, each constructed face structure diagram should have a sequential processing sequence. Based on the above, the cervical vertebra posture evaluation equipment can obtain the dynamic change of the human face structure chart when the head of the patient performs the rotating action according to the processing sequence. The dynamic change may be a graphic change of the face structure diagram, an area change of the face structure diagram, or a rotation angle change of the head during the rotation process, which is not limited to this.
Specifically, referring to fig. 2, in S103, the dynamic change of the face structure diagram during the rotation of the head of the patient is monitored, and the following sub-steps S1031 to S1033 are specifically included, which are detailed as follows:
and S1031, calculating the graphic area of the face structure chart by the cervical vertebra posture evaluation equipment according to the position information.
In an embodiment, it is described in S102 that the face structure diagram may be a triangle-structured face structure diagram, and therefore, the graph area of the triangle simplified feature diagram may be calculated based on an existing triangle area calculation formula and the position of each target feature point, which is not described in detail.
It can be understood that, for the face structure diagrams of the rest irregular structures, the cervical vertebra posture evaluation device can also divide the face structure diagrams into a plurality of graphs of triangular structures, and then respectively calculate the area of each graph of the triangular structures and add the areas to obtain the graph area of the whole face structure diagram of the irregular structure.
Note that when the face of the patient is facing the image pickup apparatus, the image pickup apparatus can capture the eye feature points and the nose feature points. However, if the ear is also set as the target feature point, the image pickup apparatus may not capture the feature point of one of the ears when the head of the patient is rotated by a small angle during the rotation of the head of the patient. Therefore, in order to reduce the number of feature points to be processed by the cervical vertebra posture evaluation equipment and reasonably judge the rotation angle of the head of the patient, the cervical vertebra posture evaluation equipment can only collect the eye feature points and the nose feature points in the face of the patient to perform subsequent processing.
S1032, the cervical vertebra posture assessment equipment obtains the area change of the graphic area of the head in the rotation process.
And S1033, determining the rotation angle change of the head in the rotation process by the cervical vertebra posture evaluation equipment according to the area change and the position information.
It should be noted that, when the head is rotated, the graphic area of the face structure diagram is usually changed. For example, when the face of the patient is facing the image pickup apparatus, the value of the figure area calculated at this time should be the largest. As the rotation angle of the head of the patient becomes gradually larger, the distance between the two eye characteristic points recognizable by the cervical posture evaluating apparatus generally becomes smaller. I.e. the value of the pattern area should be gradually smaller.
Specifically, as the angle of rotation of the patient's head approaches 90 degrees, the value of the graphic area should approach 0. Based on this, the cervical posture evaluating apparatus may be preset with various rotation angles, and a pattern area range is correspondingly preset for each rotation angle. Therefore, the cervical vertebra posture evaluation equipment can accurately determine the rotation process of the head of the patient.
It should be noted that each of the above rotation angles should correspond to a graphic area range, not a specific image area value. It can be understood that, since the faces of each person have certain differences, there may be a case where the heads are at the same rotation angle, and the sizes of the graphic areas of the calculated face structure diagrams may not be consistent. Therefore, in order to accurately determine the rotation angle of the patient, the worker may set a graphic area range for each rotation angle in advance. Therefore, the cervical vertebra posture evaluation equipment can determine the change of the rotation angle of the head in the rotation process according to the area change and the position information.
Specifically, referring to fig. 3, in S1033, according to the area change and the position information, the determining of the rotation angle change of the head in the rotation process specifically includes the following sub-steps, S1034 to S1036, which are detailed as follows:
s1034, aiming at any one target feature point in the plurality of target feature points, the cervical vertebra posture evaluation equipment determines the rotation direction of the head according to the position information of the target feature point at the last moment and the position information of the target feature point at the current moment.
In an embodiment, the above S103 indicates that each frame of the face structure diagram should have a sequential processing order, and therefore, based on the sequential processing order, the cervical vertebra posture estimation apparatus may determine the position information of the target feature point at the previous time and the position information of the target feature point at the current time, and determine the rotation direction of the head according to the position information.
Specifically, the cervical posture estimating apparatus may determine the rotation direction of the head based on the position information of the left-eye feature point or the right-eye feature point determined at any two adjacent moments. For example, when the head of the patient is turned to the right, the position information of the left-eye feature point at the current time should be located at a position further to the right than the position information of the left-eye feature point at the previous time. Similarly, when the head of the patient is rotated to the left, the position information of the right-eye feature point at the current time should be located at a position further to the left than the position information of the right-eye feature point at the previous time. It is to be understood that the steps in determining whether the head of the patient is turned upward or downward are similar to the above-described method of determining whether the head of the patient is turned leftward or rightward, and will not be described again.
And S1035, determining the rotation angle of the head at the current moment by the cervical vertebra posture evaluation equipment according to the graph area at the current moment and the corresponding relation between the preset graph area range and the rotation angle of the head. And the number of the first and second groups,
s1036, calculating the change of the rotation angle of the head by the cervical vertebra posture evaluation equipment according to the rotation angle at the current moment and the rotation angle at the last moment.
In an embodiment, the above-mentioned determination of the rotation angle of the head at the current time can specifically refer to the explanation in the above-mentioned S1033, which will not be described again. Based on the above, the cervical vertebra diagnosis system of the patient can determine the rotation direction of the head and the rotation angle change of the head at adjacent time based on the sequential processing sequence.
And S104, determining the cervical vertebra posture of the patient based on the dynamic change by the cervical vertebra posture assessment equipment.
In one embodiment, the above-mentioned cervical vertebrae posture can be used to indicate the health degree of the cervical vertebrae of the patient. For example, the above-mentioned cervical posture may be determined by the cervical posture evaluating apparatus based on dynamic changes, and the maximum rotation angle of the head of the patient when rotating is determined. Then, the maximum rotation angle is determined as the cervical posture of the patient. And finally, further determining the health degree of the cervical vertebra of the patient based on the cervical vertebra posture by the cervical vertebra posture assessment equipment.
Specifically, the health degree of the cervical vertebra of the patient can be calculated according to the preset standard rotation angle of the head when the cervical spondylosis is not suffered after the cervical vertebra posture evaluation equipment determines the maximum rotation angle of the head of the patient during rotation so as to determine the health degree of the cervical vertebra of the patient.
It will be appreciated that a patient who normally has cervical spondylosis may experience discomfort during rotation of the head, and that the maximum angle of rotation of the head during rotation of the rotating head is significantly less than the angle of rotation of the head of a person who does not have cervical spondylosis.
Specifically, referring to fig. 4, in the step S104 of evaluating the posture of the cervical vertebrae of the patient based on the dynamic change, the following sub-steps S1041-S1043 are specifically included, which are detailed as follows:
s1041, determining the maximum rotation angle of the head by the cervical vertebra posture evaluation equipment from the dynamic change.
S1042, after the rotation process of the cervical vertebra posture evaluation equipment is finished, feeling information input by a patient is obtained.
S1043, the cervical vertebra posture assessment device determines the cervical vertebra posture of the patient based on the feeling information and the maximum rotation angle.
In one embodiment, it has been described in the above S103 that the dynamic change includes a change in a rotation angle of the head during the rotation, based on which the cervical posture estimating apparatus can determine the maximum rotation angle of the head from the dynamic change.
It is understood that a patient with cervical spondylosis may experience discomfort in his head during rotation. Therefore, the cervical vertebra posture evaluation equipment can also receive feeling information input by the patient so as to assist the cervical vertebra posture evaluation equipment in accurately determining the health degree of the cervical vertebra of the patient. The feeling information may be acquired as follows.
For example, the image capturing apparatus may be an electronic apparatus with an image capturing function, and the electronic apparatus may receive and display the feeling information table transmitted by the cervical vertebra posture evaluating apparatus. The experience information table includes but is not limited to: whether the patient feels pain or not, whether the patient feels radioactive pain or not, whether the patient feels discomfort in the shoulder and cervical vertebrae or not, whether the patient feels numbness in fingers or not, and the like. And aiming at any one piece of information to be confirmed in the table, when the pain feeling or the discomfort feeling is confirmed, the option to be confirmed with the corresponding feeling degree is also provided. For example, a mild, moderate, and severe wait for confirmation option. After receiving the confirmation information input by the patient, the electronic device may generate the feeling information of the patient and upload the feeling information to the cervical posture assessment device. Therefore, the cervical vertebra posture evaluation equipment can participate in subsequent calculation based on the preset value corresponding to each feeling information (including the feeling degree corresponding to the feeling information). Finally, the cervical vertebra posture evaluation equipment can determine the cervical vertebra posture of the patient according to a preset numerical value, the maximum rotation angle and a preset weight value.
Specifically, the cervical posture evaluating apparatus may determine the cervical posture of the patient using the following equation:
wherein theta is the maximum rotation angle; w is aθThe weight value is the weight value corresponding to the maximum rotation angle; i is the i-th perception information, n kinds of perception information, wiThe weighted value corresponding to the feeling information in the ith is set, and xi is a preset numerical value corresponding to the feeling information in the ith.
It should be noted that, for the information to be confirmed in the experience information table, the preset values corresponding to each experience degree are usually different.
It is to be supplemented that the cervical posture evaluating apparatus is preset with a plurality of cervical postures, each of which corresponds to a degree range, respectively. It can be understood that each cervical posture can be used for indicating the health degree of one cervical vertebra. Therefore, the cervical posture evaluating apparatus can determine the health degree of the cervical spondylosis of the patient based on the last calculated value.
In this embodiment, a face structure diagram including each target feature is constructed by determining a plurality of target feature points in a face region of a patient and position information of each target feature point in the face region. Afterwards, the cervical vertebra posture evaluation equipment can monitor the change of the rotation angle of the head of the patient in the rotation process in real time to determine whether the head of the patient can normally rotate, and then, the cervical vertebra posture of the patient is evaluated to obtain the health degree of the cervical vertebra of the patient. Based on this, the patient can accurately know the health degree of self cervical vertebra based on cervical vertebra gesture evaluation equipment in real time, and need not to go to the hospital many times and diagnose, reduces medical resource's waste and reduces the time cost that the patient went to the hospital.
In one embodiment, referring to fig. 5, in S104, the health level of the cervical vertebrae of the patient is determined based on the dynamic changes, which can be specifically realized by the following steps S141-S142, which are detailed as follows:
and S141, determining the rehabilitation action corresponding to the cervical vertebra of the patient by the cervical vertebra posture assessment equipment according to the assessed cervical vertebra posture.
And S142, correcting the rotation action of the head in the rotation process by the cervical vertebra posture evaluation equipment based on the rehabilitation action.
In one embodiment, S1043 above has illustrated that each cervical vertebra posture can be used to indicate a health degree of the cervical vertebra, and therefore, the cervical vertebra posture evaluating apparatus can be preset with a plurality of health degrees and set a corresponding rehabilitation action for each health degree to reduce the severity of the cervical spondylosis. It should be noted that each rehabilitation action is usually stored in a video form, that is, for the rehabilitation action, a standard action (a standard action of the head during rotation) corresponding to a plurality of frames of video images should be provided.
In one embodiment, the standard motion corresponding to each frame of video image should contain the standard rotation angle of the head during rotation. Meanwhile, the cervical posture evaluating apparatus should also store a standard duration for which the head should be held at each standard rotation angle. Based on this, the cervical posture evaluating apparatus can determine the same rotational motion as the standard rotational angle from the rotational motion of the head of the patient during the rotation. Thereafter, from the video uploaded by the patient, the duration of the rotational movement is determined to be the same as the standard rotational angle. If the difference between the duration time and the standard duration time is greater than the preset value or the duration time does not meet the standard duration time, the cervical vertebra posture evaluation device should correct the head rotation action of the patient at the standard rotation angle. The standard duration and the preset value can be preset by the staff, which is not limited to this.
In an embodiment, the cervical vertebra posture assessment device may further pre-store rehabilitation suggestions corresponding to each health degree. Therefore, the patient can treat the cervical spondylosis based on the rehabilitation action and the rehabilitation suggestion fed back by the cervical vertebra posture evaluation equipment.
Referring to fig. 6, fig. 6 is a block diagram illustrating a structure of a cervical posture estimating apparatus according to an embodiment of the present disclosure. The cervical vertebra posture evaluation device in this embodiment includes modules for executing the steps in the embodiments corresponding to fig. 1 to 5. Please refer to fig. 1 to 5 and fig. 1 to 5 for related descriptions. For convenience of explanation, only the portions related to the present embodiment are shown. Referring to fig. 6, the cervical posture evaluating apparatus 600 may include: identification module 610, construction module 620, monitoring module 630 and cervical vertebra posture evaluation module 640, wherein:
the recognition module 610 is configured to determine a plurality of target feature points in a face region of the patient and position information of the plurality of target feature points in the face region.
And a constructing module 620, configured to construct a face structure diagram including a plurality of target features according to the location information.
A monitoring module 630, configured to monitor a dynamic change of the face structure diagram during the rotation of the head of the patient; the dynamic change of the face structure chart comprises the change of the rotation angle of the head in the rotation process.
And the cervical vertebra posture evaluation module 640 is used for evaluating the cervical vertebra posture of the patient based on the dynamic change.
In one embodiment, the building module 620 is further configured to:
and according to the position information of the target feature points, connecting the target feature points with each other in pairs sequentially through line segments to obtain a face structure diagram.
In one embodiment, the monitoring module 630 is further configured to:
calculating the graphic area of the face structure chart according to the position information; acquiring the area change of the graph area of the head in the rotating process; and determining the rotation angle change of the head in the rotation process according to the area change and the position information.
In an embodiment, the monitoring module 630 is further configured to:
determining the rotation direction of the head according to the position information of the target feature point at the last moment and the position information of the target feature point at the current moment aiming at any one of the plurality of target feature points; determining the rotation angle of the head at the current moment according to the corresponding relation between the graph area at the current moment and the preset graph area range and the rotation angle of the head; and calculating the change of the rotation angle of the head according to the rotation angle at the current moment and the rotation angle at the last moment.
In an embodiment, the cervical pose assessment module 640 is further configured to:
determining the maximum rotation angle of the head from the dynamic change; after the rotation process is finished, acquiring feeling information input by a patient; and determining the cervical vertebra posture of the patient based on the feeling information and the maximum rotation angle.
In an embodiment, the cervical pose assessment module 640 is further configured to:
sensing information and the maximum rotation angle are calculated by adopting a cervical vertebra posture calculation formula, and the cervical vertebra posture of the patient is determined, wherein the cervical vertebra posture calculation formula is as follows:
wherein theta is the maximum rotation angle; w is aθThe weight value is the weight value corresponding to the maximum rotation angle; i is the i-th perception information, n kinds of perception information, wiThe weighted value is corresponding to the ith feeling information, and xi is a preset numerical value corresponding to the ith feeling information.
In an embodiment, the cervical posture evaluating apparatus 600 further includes:
and the rehabilitation action determining module is used for determining the rehabilitation action corresponding to the cervical vertebra of the patient according to the evaluated cervical vertebra posture.
And the correction module is used for correcting the rotation action of the head in the rotation process based on the rehabilitation action.
It should be understood that, in the structural block diagram of the cervical vertebra posture estimation device shown in fig. 6, each module is used for executing each step in the embodiment corresponding to fig. 1 to 5, and each step in the embodiment corresponding to fig. 1 to 5 has been explained in detail in the above embodiment, and specific reference is made to the relevant description in the embodiment corresponding to fig. 1 to 5 and fig. 1 to 5, which is not repeated herein.
Fig. 7 is a block diagram illustrating a structure of a cervical posture evaluating apparatus according to an embodiment of the present application. As shown in fig. 6, the cervical posture evaluating apparatus 700 of this embodiment includes: a processor 710, a memory 720, and a computer program 730 stored in the memory 720 and executable on the processor 710, such as a program for performing a cervical spine posture assessment method. The processor 710 executes the computer program 730 to implement the steps of the above-mentioned cervical vertebra posture estimation method, such as S101 to S104 shown in fig. 1. Alternatively, the processor 710, when executing the computer program 730, implements the functions of the modules in the embodiment corresponding to fig. 6, for example, the functions of the modules 610 to 640 shown in fig. 6, and refer to the related description in the embodiment corresponding to fig. 6 specifically.
Illustratively, the computer program 730 may be divided into one or more modules, and the one or more modules are stored in the memory 720 and executed by the processor 710 to implement the cervical posture assessment method provided by the embodiments of the present application. One or more of the modules may be a series of computer program instruction segments capable of performing specific functions for describing the execution of the computer program 730 in the cervical posture estimating apparatus 700. For example, the computer program 730 may implement the cervical posture assessment method provided by the embodiment of the present application.
The cervical posture assessment apparatus 700 may include, but is not limited to, a processor 710, a memory 720. Those skilled in the art will appreciate that fig. 6 is merely an example of the cervical posture assessment apparatus 700, and does not constitute a limitation of the cervical posture assessment apparatus 700, and may include more or less components than those shown, or combine some components, or different components, for example, the cervical posture assessment apparatus may further include an input-output device, a network access device, a bus, etc.
The processor 710 may be a central processing unit, but may also be other general purpose processors, digital signal processors, application specific integrated circuits, off-the-shelf programmable gate arrays or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 720 may be an internal storage unit of the cervical posture estimating apparatus 700, such as a hard disk or a memory of the cervical posture estimating apparatus 700. The memory 720 may also be an external storage device of the cervical posture estimating apparatus 700, such as a plug-in hard disk, a smart memory card, a flash memory card, etc. provided on the cervical posture estimating apparatus 700. Further, the memory 720 may also include both an internal storage unit and an external storage device of the cervical posture estimating apparatus 700.
The embodiment of the application provides a cervical vertebra posture assessment device, which comprises a memory, a processor and a computer program which is stored in the memory and can run on the processor, wherein the processor executes the computer program to realize the cervical vertebra posture assessment method in the above embodiments.
In a fourth aspect, the present application provides a computer-readable storage medium, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and when the processor executes the computer program, the processor implements the cervical posture assessment method in the above embodiments.
In a fifth aspect, the present application provides a computer program product, which when running on a cervical vertebra posture assessment apparatus, causes the cervical vertebra posture assessment apparatus to execute the cervical vertebra posture assessment method in the above embodiments.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (10)
1. A method for assessing a posture of a cervical spine, the method comprising:
determining a plurality of target feature points in a face region of a patient and position information of the plurality of target feature points in the face region respectively;
according to the position information, a face structure diagram containing the target characteristics is constructed;
monitoring the dynamic change of the face structure chart during the rotation of the head of the patient; the dynamic change of the face structure chart comprises the change of the rotation angle of the head in the rotation process;
based on the dynamic changes, assessing a cervical posture of the patient.
2. The method of claim 1, wherein the constructing a face structure diagram including the plurality of target features according to the position information comprises:
and according to the position information of the target feature points, connecting the target feature points with each other in pairs sequentially through line segments to obtain the face structure diagram.
3. The method for estimating cervical vertebra pose according to claim 1 or 2, wherein the monitoring the dynamic change of the face structure map during the rotation of the head of the patient comprises:
calculating the graphic area of the face structure chart according to the position information;
acquiring the area change of the graph area in the rotation process of the head;
and determining the rotation angle change of the head in the rotation process according to the area change and the position information.
4. The cervical posture assessment method of claim 3, wherein the determining of the rotation angle change of the head during the rotation according to the area change and the position information comprises:
for any target feature point in the plurality of target feature points, determining the rotation direction of the head according to the position information of the target feature point at the last moment and the position information of the target feature point at the current moment;
determining the rotation angle of the head at the current moment according to the corresponding relation between the graph area at the current moment and a preset graph area range and the rotation angle of the head; and the number of the first and second groups,
and calculating the change of the rotation angle of the head according to the rotation angle at the current moment and the rotation angle at the last moment.
5. The cervical spine posture assessment method according to claim 1, wherein the assessing the cervical spine posture of the patient based on the dynamic change comprises:
determining a maximum rotation angle of the head from the dynamic change;
after the rotation process is finished, acquiring experience information input by the patient;
determining the cervical vertebra posture of the patient based on the feeling information and the maximum rotation angle.
6. The cervical pose assessment method of claim 5, wherein said determining the cervical pose of the patient based on the sensory information and the maximum rotation angle comprises:
calculating the feeling information and the maximum rotation angle by adopting a cervical vertebra posture calculation formula to determine the cervical vertebra posture of the patient, wherein the cervical vertebra posture calculation formula is as follows:
wherein θ is the maximum rotation angle; w is aθThe weight value is the weight value corresponding to the maximum rotation angle; i is the i-th sensing information, n sensing information, wiAnd xi is a preset numerical value corresponding to the ith feeling information.
7. The cervical posture assessment method according to claim 1 or 2 or 5 or 6, further comprising, after said assessing the patient's cervical posture based on said dynamic changes:
determining a rehabilitation action corresponding to the cervical vertebra of the patient according to the evaluated cervical vertebra posture;
and correcting the rotation action of the head in the rotation process based on the rehabilitation action.
8. A cervical posture evaluating apparatus, characterized in that the apparatus comprises:
the identification module is used for determining a plurality of target feature points in a face area of a patient and position information of the plurality of target feature points in the face area respectively;
the construction module is used for constructing a face structure diagram containing the plurality of target characteristics according to the position information;
the monitoring module is used for monitoring the dynamic change of the face structure chart in the rotation process of the head of the patient; the dynamic change of the face structure chart comprises the change of the rotation angle of the head in the rotation process;
and the cervical vertebra posture evaluation module is used for evaluating the cervical vertebra posture of the patient based on the dynamic change.
9. A cervical posture assessment device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the method according to any one of claims 1 to 7 when executing the computer program.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the method according to any one of claims 1 to 7.
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