CN115359273A - Acne removing efficacy evaluation method and system based on oil determination - Google Patents
Acne removing efficacy evaluation method and system based on oil determination Download PDFInfo
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Abstract
The invention is suitable for the field of effect evaluation, and provides an acne removing efficacy evaluation method based on grease determination, which comprises the following steps: determining the area to be detected based on the comparison of the historical measurement data and the real-time measurement data; extracting a face historical image corresponding to the historical measurement data from a database, and extracting the face historical image based on the to-be-detected region to obtain a first image; acquiring a real-time face image corresponding to the real-time measurement data, and extracting the real-time face image based on the area to be detected to obtain a second image; and comparing the first image with the second image, and determining a power evaluation result according to the comparison result. The invention can evaluate the efficacy of the acne-removing product, provides an intuitive acne-removing efficacy evaluation mode, and solves the problem that the efficacy of the acne-removing product is not effectively evaluated at present. The invention also provides a system for realizing the acne treatment efficacy evaluation method based on the oil determination.
Description
Technical Field
The invention belongs to the technical field of effect evaluation, and particularly relates to an acne removing efficacy evaluation method and system based on grease determination.
Background
Skin problems such as blackheads, acnes, pimples, fatty particles and the like always plague many people, and more people choose to use acne removal products to remove acnes on the skin.
At present, the expected acne removing effect is the only purpose of using an acne removing product, the using effect of the acne removing product cannot be directly and objectively evaluated, a quantifiable result is difficult to obtain only through personal perception and change of a user, the reliability of the effect evaluation result is poor, and therefore the user cannot objectively judge the using effect of the acne removing product. And for the evaluation of the acne treatment effect, if the change of the physiological parameters of the targeted skin before and after the acne treatment product is used is accurately measured, the requirement on the specialty is higher, and the application and the popularization are not convenient.
Disclosure of Invention
The invention aims to provide an acne-removing efficacy evaluation method and system based on oil determination, and aims to solve the technical problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions.
In a first aspect, in one embodiment provided by the present invention, a method for evaluating acne efficacy based on oil determination is provided, and the method for evaluating acne efficacy comprises the following steps:
calling historical measurement data of facial grease of a node of a user at a designated historical time from a database;
acquiring real-time measurement data of facial grease of a user at a current time node;
determining the area to be detected based on the comparison of the historical measurement data and the real-time measurement data;
extracting a face historical image corresponding to the historical measurement data from a database, and extracting the face historical image based on the area to be detected to obtain a first image;
acquiring a real-time face image corresponding to the real-time measurement data, and extracting the real-time face image based on the area to be detected to obtain a second image;
and comparing the first image with the second image, and determining a power evaluation result according to the comparison result.
In an embodiment of the present invention, after the step of comparing the first image with the second image and determining the efficacy evaluation result according to the comparison result, the method for evaluating the efficacy of acne treatment further includes:
storing real-time measuring data containing real-time facial images into a database according to time nodes and sequencing the data;
and deleting the historical measurement data in the database according to the sorting result to obtain the database after data updating.
In one embodiment of the present invention, the step of determining the region to be detected based on the comparison between the historical measurement data and the real-time measurement data includes:
segmenting a user face image into a plurality of comparison regions;
and comparing the historical measurement data and the real-time measurement data corresponding to each comparison area, and determining the area to be detected according to the comparison result.
In an embodiment provided by the present invention, the step of comparing the historical measurement data and the real-time measurement data corresponding to each comparison area, and determining the area to be detected according to the comparison result includes:
extracting historical measurement data and real-time measurement data of a current comparison area;
and when the measurement difference between the historical measurement data and the real-time measurement data is smaller than the grease threshold value, taking the current comparison area as the area to be detected.
In an embodiment of the present invention, the step of extracting the facial history image based on the region to be detected to obtain a first image includes:
extracting coordinate information of edge pixel points of a region to be detected;
determining a dividing line of the face history image according to the coordinate information;
and carrying out segmentation processing on the face historical image along the segmentation line to obtain a first image.
In an embodiment of the present invention, the step of extracting the real-time face image based on the region to be detected to obtain a second image includes:
extracting coordinate information of edge pixel points of a region to be detected;
determining a dividing line of the real-time face image according to the coordinate information;
and carrying out segmentation processing on the real-time face image along the segmentation line to obtain a second image.
In one embodiment of the present invention, the step of comparing the first image and the second image comprises:
performing equal ratio segmentation on the first image according to a preset rule to form a plurality of sub-regions, counting the sub-regions containing the pox, and calculating the sum of the areas of a set of the sub-regions containing the pox to obtain a first area;
performing equal ratio segmentation on the second image according to a preset rule to form a plurality of sub-regions, counting the sub-regions containing the pox, and calculating the sum of the areas of a set of the sub-regions containing the pox to obtain a second area;
the sizes of the first area and the second area are compared.
In one embodiment of the present invention, the step of determining the efficacy evaluation result according to the comparison result comprises:
when the difference value between the first area and the second area is larger than an area threshold value and the first area is larger than the second area, recording the judgment result as positive effect;
when the difference value between the first area and the second area is larger than an area threshold value and the first area is smaller than the second area, recording a judgment result as a negative effect;
and recording the judgment result as zero efficacy when the absolute value of the difference value of the first area and the second area is smaller than an area threshold value.
In a second aspect, in another embodiment provided by the present invention, there is provided a acne treatment efficacy evaluation system based on oil determination, the acne treatment evaluation system comprising:
the historical data retrieval unit is used for retrieving historical measurement data of facial grease of a node at a designated historical time of a user from a database;
the real-time data acquisition unit is used for acquiring real-time measurement data of facial grease of a user at a current time node;
a detection area determination unit for determining an area to be detected based on a comparison of the historical measurement data and the real-time measurement data;
the first image processing unit is used for extracting a face historical image corresponding to the historical measurement data from a database, and extracting the face historical image based on the to-be-detected region to obtain a first image;
the second image processing unit is used for acquiring a real-time face image corresponding to the real-time measuring data and extracting and processing the real-time face image based on the area to be detected to obtain a second image;
and the efficacy evaluation unit is used for comparing the first image and the second image and determining an efficacy evaluation result according to the comparison result.
In an embodiment provided by the present invention, the acne treatment evaluation system further includes:
a data adding unit for storing real-time measurement data containing real-time images of faces into a database by time node and sequencing;
and the data deleting unit is used for deleting the historical measurement data in the database according to the sorting result to obtain the database after data updating.
Compared with the prior art, in the acne treatment efficacy evaluation method provided by the invention, historical measurement data of facial grease of a user at a designated historical time node is called in a database; acquiring real-time measurement data of facial grease of a user at a current time node; determining a region to be detected based on comparison of historical measurement data and real-time measurement data; extracting a face historical image corresponding to the historical measurement data from a database, and extracting the face historical image based on the to-be-detected region to obtain a first image; acquiring a real-time face image corresponding to the real-time measurement data, and extracting the real-time face image based on the area to be detected to obtain a second image; the first image and the second image are compared, and the efficacy evaluation result is determined according to the comparison result.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
FIG. 1 is a system architecture diagram of the present invention;
fig. 2 is a flow chart of the implementation of the acne treatment efficacy evaluation method based on oil determination provided by the invention;
fig. 3 is a sub-flowchart of the acne treatment efficacy evaluation method provided by the invention;
fig. 4 is another sub-flowchart of the method for evaluating the acne treatment efficacy provided by the invention;
fig. 5 is a structural block diagram of an acne treatment efficacy evaluation system based on oil and fat determination provided by the invention;
fig. 6 is a block diagram of a computer device according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the application, as detailed in the appended claims.
The embodiments of the present invention will be described below with reference to the drawings.
At present, more and more people choose to use acne removal products to remove acne on skin, and the achievement of expected acne removal effect is the only purpose of using the acne removal products, however, direct objective evaluation on the using effect of the acne removal products cannot be carried out in the prior art.
In order to solve the problems, the invention provides an acne treatment efficacy evaluation method and system based on oil determination, wherein in the acne treatment efficacy evaluation method provided by the invention, historical determination data of facial oil of a user at a designated historical time node is called in a database; acquiring real-time measurement data of facial grease of a user at a current time node; determining the area to be detected based on the comparison of the historical measurement data and the real-time measurement data; extracting a face historical image corresponding to the historical measurement data from a database, and extracting the face historical image based on the to-be-detected region to obtain a first image; acquiring a real-time face image corresponding to the real-time measuring data, and extracting the real-time face image based on the area to be detected to obtain a second image; the first image and the second image are compared, and the efficacy evaluation result is determined according to the comparison result.
Fig. 1 shows an exemplary system architecture for a method for acne efficacy assessment based on a grease assay.
As shown in fig. 1, the system architecture may include a camera 101, a server 102, and a database 103.
The camera 101 and the server 102 are connected in communication via a network.
The network may include various types of wired or wireless communication links, such as: the wired communication link comprises an optical fiber, a twisted pair wire or a coaxial cable, and the WIreless communication link comprises a Bluetooth communication link and a WIreless-FIdelity (Wi-Fi) communication link.
In the invention, the camera 101 and the server 102 are linked through a wireless communication link, and the wireless communication link includes a bluetooth communication link or a WiFi communication link, that is, a communication connection is established between the camera 101 and the server 102 through bluetooth or WiFi, so as to realize data transmission.
The camera 101 shoots an image of the face of the user through a configured high-definition camera and transmits the image of the face of the user to the server 102; the server 102 is used for receiving the image of the face of the user transmitted by the camera 101; it is understood that the image information includes time node information recorded by the image, and the image of the face of the user is stored in the database 103, and the server 103 can retrieve the image data in the database 103 at any time, and can retrieve the image data of the specified time node.
Accordingly, the server 102 may be hardware or software. When the server 102 is hardware, it may be various electronic devices with image processing capability, data processing capability, including but not limited to smart phones, tablet computers, laptop portable computers, desktop computers, and the like. When the server 102 is software, it may be installed in the electronic device listed above. It may be implemented as a plurality of software or software modules, or as a single software or software module, and is not limited herein.
The method and system for evaluating the acne removing efficacy based on oil determination provided by the invention are described in detail with reference to specific embodiments.
Example 1
As shown in fig. 2, in example 1 provided by the present invention, a method for evaluating acne efficacy based on lipid measurement includes the following steps:
step S201: calling historical measurement data of facial grease of a node of a user at a designated historical time from a database;
in a specific implementation of step S201 provided in the embodiment of the present invention, the historical measurement data includes facial grease data measured by the historical time node and a facial historical image acquired by the camera 101 while the grease data is measured; for example, at a certain previous time node, measurement of facial fat data and acquisition of a facial image captured by the camera 101 are performed;
step S202: acquiring real-time measurement data of facial grease of a user at a current time node;
similarly, in the specific implementation of step S202 provided by the present invention, when the efficacy of the acne-removing product used for a period of time needs to be evaluated, the facial grease data measured at the current time node of the user needs to be obtained, and the current facial image obtained by the camera 101 while the grease data is measured, that is, the real-time measured data also includes the real-time facial image;
step S203: determining a region to be detected based on comparison of historical measurement data and real-time measurement data;
in the specific implementation of step S203 provided by the present invention, the real-time grease data in the current real-time measurement data needs to be compared with the historical grease data in the historical measurement data, so as to ensure that the grease data of the current facial state of the user is consistent with the historical grease data referred to, and avoid the influence on the evaluation of the acne treatment efficacy due to the difference of the grease data, wherein when the error range is smaller than the threshold value, the maintenance is considered consistent; therefore, in the implementation process, the facial image of the user is divided into a plurality of comparison areas, historical measurement data and real-time measurement data corresponding to each comparison area are compared, and the area to be detected is determined according to the comparison result; it can be understood that, the historical measured data and the real-time measured data of the current comparison area need to be extracted first; and when the measurement difference value between the historical measurement data and the real-time measurement data is smaller than the grease threshold value, taking the current comparison area as the area to be detected.
Step S204: extracting a face historical image corresponding to the historical measurement data from a database, and extracting the face historical image based on the to-be-detected region to obtain a first image;
step S205: acquiring a real-time face image corresponding to the real-time measuring data, and extracting the real-time face image based on the area to be detected to obtain a second image;
step S206: and comparing the first image with the second image, and determining a power evaluation result according to the comparison result.
Further, in embodiment 1 of the present invention, after the step of comparing the first image with the second image and determining the efficacy evaluation result according to the comparison result, the method for evaluating the efficacy of acne treatment further includes:
step S207: storing real-time measurement data containing real-time facial images into a database according to time nodes and sequencing the data;
step S208: and deleting the historical measurement data in the database according to the sorting result to obtain the database after data updating.
Further, in embodiment 1 of the present invention, the step of determining the region to be detected based on the comparison between the historical measurement data and the real-time measurement data includes:
step S2031: the facial image of the user is segmented into a plurality of comparison regions, such as a forehead region, a cheek region, a wing of the nose region, a chin region, and the like.
Step S2032: and comparing the historical measurement data and the real-time measurement data corresponding to each comparison area, and determining the area to be detected according to the comparison result.
Further, in embodiment 1 provided by the present invention, the step of comparing the historical measurement data and the real-time measurement data corresponding to each comparison area, and determining the area to be detected according to the comparison result includes:
step S20321: extracting historical measuring data and real-time measuring data of a current comparison area;
step S20322: when the measurement difference value between the historical measurement data and the real-time measurement data is smaller than the grease threshold value, taking the current comparison area as an area to be detected;
in the specific implementation of step S20322 provided in the embodiment of the present invention, the historical grease data value in the historical measurement data and the real-time grease data value in the real-time measurement data are extracted, the historical grease data value and the real-time grease data value are compared, the difference between the historical grease data value and the real-time grease data value is used as a measurement difference, and the measurement difference is compared with a threshold, where it can be understood that the threshold is a grease threshold, and an area where the measurement difference is smaller than the threshold is used as an area to be detected; the threshold value of the grease is a set value according to needs, and is not particularly limited.
Further, in embodiment 1 provided by the present invention, the step of extracting the facial history image based on the region to be detected to obtain a first image includes:
extracting coordinate information of edge pixel points of a region to be detected;
determining a dividing line of the face history image according to the coordinate information;
and carrying out segmentation processing on the face historical image along the segmentation line to obtain a first image.
Further, in embodiment 1 provided by the present invention, the step of extracting the real-time facial image based on the region to be detected to obtain a second image includes:
extracting coordinate information of edge pixel points of a region to be detected;
determining a dividing line of the real-time face image according to the coordinate information;
and carrying out segmentation processing on the real-time face image along the segmentation line to obtain a second image.
Further, in embodiment 1 provided by the present invention, the step of comparing the first image and the second image comprises:
performing equal ratio segmentation on the first image according to a preset rule to form a plurality of subregions, counting the subregions containing the acnes, and calculating the sum of the areas of the subregion sets containing the acnes to obtain a first area;
performing equal ratio segmentation on the second image according to a preset rule to form a plurality of sub-regions, counting the sub-regions containing the pox, and calculating the sum of the areas of a set of the sub-regions containing the pox to obtain a second area;
the sizes of the first area and the second area are compared.
In the embodiment of the invention, the preset rule can be that the image is divided into a plurality of grids in an equal ratio, each grid is used as a sub-region, positioning and identification of the pox in the image are carried out by constructing a deep pox learning model, and the sum of the areas of the pox-containing grids and the sub-regions is calculated by counting the set of the areas of the grids and the sub-regions containing the pox.
In the process of building the vaccinia deep learning model, each group of vaccinia training samples is adopted to comprise the position and type of each vaccinia in a corresponding vaccinia face image; constructing a pox and pox to-be-trained network by utilizing a PyTorch deep learning framework; and training the vaccinia to-be-trained network according to the vaccinia sample face image data set to obtain a vaccinia deep learning model.
Further, in example 1 provided by the present invention, the step of determining the efficacy evaluation result according to the comparison result comprises:
when the difference value of the first area and the second area is larger than an area threshold value and the first area is larger than the second area, recording a judgment result as positive efficacy;
when the difference value between the first area and the second area is larger than an area threshold value and the first area is smaller than the second area, recording a judgment result as a negative effect;
and recording the judgment result as zero efficacy when the absolute value of the difference value of the first area and the second area is smaller than an area threshold value.
In the embodiment of the present invention, the area threshold is a set value, and is not specifically limited; the positive efficacy indicates that the acne removing product is effective, and the negative efficacy indicates that the acne removing product is ineffective or even has side effects; the zero efficacy indicates no significant effect of the acne-removing product. Therefore, the invention firstly extracts the area with unchanged grease data, namely the area to be detected, and reflects the efficacy of the acne product according to the change condition of the acne on the face of the area to be detected.
In summary, in the acne treatment efficacy evaluation method provided by the invention, historical measurement data of facial oil at a specified historical time node of a user is called in a database; acquiring real-time measurement data of facial grease of a user at a current time node; determining the area to be detected based on the comparison of the historical measurement data and the real-time measurement data; extracting a face historical image corresponding to the historical measurement data from a database, and extracting the face historical image based on the to-be-detected region to obtain a first image; acquiring a real-time face image corresponding to the real-time measurement data, and extracting the real-time face image based on the area to be detected to obtain a second image; the first image and the second image are compared, and the efficacy evaluation result is determined according to the comparison result.
Example 2
As shown in fig. 5, in embodiment 2 provided by the present invention, there is provided an acne treatment efficacy evaluation system based on oil determination, where the acne treatment evaluation system 300 includes:
a history data retrieval unit 301 for retrieving, in a database, history measurement data of facial fat of a user at a specified history time node;
a real-time data acquisition unit 302, configured to acquire real-time measurement data of facial grease of a user at a current time node;
a detection region determination unit 303 for determining a region to be detected based on a comparison of the historical measurement data and the real-time measurement data;
a first image processing unit 304, configured to extract a face history image corresponding to the historical measurement data from a database, and perform extraction processing on the face history image based on the to-be-detected region to obtain a first image;
a second image processing unit 305, configured to obtain a real-time face image corresponding to the real-time measurement data, and extract the real-time face image based on the to-be-detected region to obtain a second image;
a power evaluation unit 306 for comparing the first image and the second image and determining a power evaluation result according to the comparison result.
Further, in embodiment 2 provided by the present invention, the acne treatment evaluation system 300 further includes:
a data adding unit 307 for storing real-time measurement data containing a real-time image of a face into a database by time node and sequencing;
and the data deleting unit 308 is configured to delete the historical measurement data in the database according to the sorting result to obtain a database after data update.
Example 3
As shown in fig. 6, in embodiment 3 provided by the present invention, a computer device is provided, the computer device 400 includes a memory 401 and a processor 402, the memory 401 stores a computer program, and the computer program, when executed by the processor 402, causes the processor 402 to execute the acne efficacy evaluation method based on the measurement of oil and fat as provided in embodiment 1 above.
In embodiment 3 of the present invention, the method for evaluating the acne treatment efficacy based on lipid measurement includes:
step S201: calling historical measurement data of facial grease of a node of a user at a designated historical time from a database;
step S202: acquiring real-time measurement data of facial grease of a user at a current time node;
step S203: determining the area to be detected based on the comparison of the historical measurement data and the real-time measurement data;
step S204: extracting a face historical image corresponding to the historical measurement data from a database, and extracting the face historical image based on the to-be-detected region to obtain a first image;
step S205: acquiring a real-time face image corresponding to the real-time measurement data, and extracting the real-time face image based on the area to be detected to obtain a second image;
step S206: and comparing the first image with the second image, and determining a power evaluation result according to the comparison result.
In addition, the computer device 400 provided by the embodiment of the present invention may further have a communication interface 403 for receiving a control instruction.
Example 4
In still another preferred embodiment of the present invention, there is provided a computer-readable storage medium storing a computer program which, when executed by a processor, causes the processor to execute the method for evaluating the efficacy of acne treatment based on measurement of oil and fat as provided in example 1 above.
In embodiment 3 of the present invention, the method for evaluating acne treatment efficacy based on lipid measurement includes:
step S201: calling historical measurement data of facial grease of a node of a user at a designated historical time from a database;
step S202: acquiring real-time measurement data of facial grease of a user at a current time node;
step S203: determining the area to be detected based on the comparison of the historical measurement data and the real-time measurement data;
step S204: extracting a face historical image corresponding to the historical measurement data from a database, and extracting the face historical image based on the to-be-detected region to obtain a first image;
step S205: acquiring a real-time face image corresponding to the real-time measurement data, and extracting the real-time face image based on the area to be detected to obtain a second image;
step S206: and comparing the first image with the second image, and determining a power evaluation result according to the comparison result.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one type of logical functional division, and other divisions may be realized in practice, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the invention to be performed in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in or transmitted over a computer-readable storage medium. The computer instructions may be transmitted from one website site, computer, server, or data center to another website site, computer, server, or data center by wired (e.g., coaxial cable, fiber optic, digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., solid State Disk (SSD)), among others.
One of ordinary skill in the art will appreciate that all or part of the processes in the methods of the above embodiments may be implemented by hardware related to instructions of a computer program, which may be stored in a computer-readable storage medium, and when executed, may include the processes of the above method embodiments. And the aforementioned storage medium includes: various media capable of storing program codes, such as ROM or RAM, magnetic or optical disks, etc.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The acne treatment efficacy evaluation method based on oil determination is characterized by comprising the following steps:
calling historical measurement data of facial grease of a node of a user at a designated historical time from a database;
acquiring real-time measurement data of facial grease of a user at a current time node;
determining the area to be detected based on the comparison of the historical measurement data and the real-time measurement data;
extracting a face historical image corresponding to the historical measurement data from a database, and extracting the face historical image based on the to-be-detected region to obtain a first image;
acquiring a real-time face image corresponding to the real-time measuring data, and extracting the real-time face image based on the area to be detected to obtain a second image;
and comparing the first image with the second image, and determining a power evaluation result according to the comparison result.
2. The method for evaluating the efficacy of acne treatment based on oil determination according to claim 1, wherein after the step of comparing the first image with the second image and determining the evaluation result of efficacy according to the comparison result, the method for evaluating the efficacy of acne treatment further comprises:
storing real-time measurement data containing real-time facial images into a database according to time nodes and sequencing the data;
and deleting the historical measurement data in the database according to the sorting result to obtain the database after data updating.
3. The method for evaluating the acne-removing efficacy based on oil and fat determination according to claim 1 or 2, wherein the step of determining the region to be detected based on the comparison of the historical determination data and the real-time determination data comprises: segmenting a user face image into a plurality of comparison regions; and comparing the historical measurement data and the real-time measurement data corresponding to each comparison area, and determining the area to be detected according to the comparison result.
4. The method for evaluating the acne removing efficacy based on oil and fat determination as claimed in claim 3, wherein the step of comparing the historical determination data and the real-time determination data corresponding to each comparison area and determining the area to be detected according to the comparison result comprises:
extracting historical measurement data and real-time measurement data of a current comparison area;
and when the measurement difference value between the historical measurement data and the real-time measurement data is smaller than the grease threshold value, taking the current comparison area as the area to be detected.
5. The method for evaluating the acne treatment efficacy based on oil and fat determination according to claim 4, wherein the step of extracting the historical facial image based on the region to be detected to obtain a first image comprises the following steps:
extracting coordinate information of edge pixel points of a region to be detected;
determining a dividing line of the face history image according to the coordinate information;
and carrying out segmentation processing on the face historical image along the segmentation line to obtain a first image.
6. The method for evaluating the acne treatment efficacy based on oil and fat determination according to claim 5, wherein the step of extracting the real-time facial image based on the region to be detected to obtain a second image comprises the following steps:
extracting coordinate information of edge pixel points of a region to be detected;
determining a dividing line of the real-time face image according to the coordinate information;
and carrying out segmentation processing on the real-time face image along the segmentation line to obtain a second image.
7. The method for assessing acne efficacy based on oil and fat determination of claim 6 wherein the step of comparing the first image and the second image comprises:
performing equal ratio segmentation on the first image according to a preset rule to form a plurality of subregions, counting the subregions containing the acnes, and calculating the sum of the areas of the subregion sets containing the acnes to obtain a first area;
performing equal ratio segmentation on the second image according to a preset rule to form a plurality of sub-regions, counting the sub-regions containing the pox, and calculating the sum of the areas of a set of the sub-regions containing the pox to obtain a second area;
the sizes of the first area and the second area are compared.
8. The method for evaluating the efficacy of acne treatment based on oil and fat determination according to claim 7, wherein the step of determining the evaluation result of efficacy according to the comparison result comprises:
when the difference value between the first area and the second area is larger than an area threshold value and the first area is larger than the second area, recording the judgment result as positive effect;
when the difference value between the first area and the second area is larger than an area threshold value and the first area is smaller than the second area, recording a judgment result as a negative effect;
and recording the judgment result as zero efficacy when the absolute value of the difference value of the first area and the second area is smaller than an area threshold value.
9. A system for implementing the method for evaluating the efficacy of acne treatment based on oil determination according to any one of claims 1 to 8, wherein the system comprises:
the historical data retrieval unit is used for retrieving historical measurement data of facial grease of a node at a designated historical time of a user from a database;
the real-time data acquisition unit is used for acquiring real-time measurement data of facial grease of a user at a current time node;
a detection region determination unit for determining a region to be detected based on a comparison of the historical measurement data and the real-time measurement data;
the first image processing unit is used for extracting a face historical image corresponding to the historical measurement data from a database, and extracting the face historical image based on the to-be-detected region to obtain a first image;
the second image processing unit is used for acquiring a real-time face image corresponding to the real-time measuring data and extracting and processing the real-time face image based on the area to be detected to obtain a second image;
a power evaluation unit for comparing the first image and the second image and determining a power evaluation result according to the comparison result.
10. The system of claim 2, further comprising:
a data adding unit for storing real-time measurement data containing real-time images of faces into a database by time node and sequencing;
and the data deleting unit is used for deleting the historical measurement data in the database according to the sorting result to obtain the database after data updating.
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| CN202211056514.XA CN115359273A (en) | 2022-08-29 | 2022-08-29 | Acne removing efficacy evaluation method and system based on oil determination |
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