CN212546423U - Intelligent mirror based on facial image analysis - Google Patents
Intelligent mirror based on facial image analysis Download PDFInfo
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- CN212546423U CN212546423U CN202020659822.1U CN202020659822U CN212546423U CN 212546423 U CN212546423 U CN 212546423U CN 202020659822 U CN202020659822 U CN 202020659822U CN 212546423 U CN212546423 U CN 212546423U
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Abstract
The application provides an intelligent mirror based on facial image analysis, including mirror body, shooting device and lighting device set up respectively on the mirror body. When the user uses the mirror to comb and wash or make up, the user face is just to the mirror body, and lighting device sends the light irradiation of different wavelength at the user face, completely covers the user face, and shooting device obtains the face image of user under the light single irradiation of different wavelength or the face image under the light irradiation of single wavelength. The images obtained by shooting the facial skin, cosmetics, subcutaneous blood vessels and other characteristics of the user under the irradiation of light rays with different wavelengths have different gray level expressions. Furthermore, the expression and skin condition of the face of the user during shooting can also represent the psychological state of the user. Therefore, the intelligent mirror can acquire the relevant information of the user by correspondingly analyzing each face image, does not need the user to operate, and is convenient for daily use.
Description
Technical Field
The application relates to the technical field of smart homes, in particular to an intelligent mirror based on facial image analysis.
Background
With the rapid development of society and the acceleration of life rhythm, the physiological and psychological health of human body gets more and more attention from society and individuals. The existing monitoring aiming at human physiological information is generally realized by a targeted instrument, such as a heart rate monitor; and for the evaluation of human psychological information, a scale test mode is generally adopted. Therefore, if various physiological information and psychological information of a human body need to be monitored simultaneously, a plurality of devices are needed for assistance, or the monitoring is carried out in professional places, which is very tedious and inconvenient for people to use in daily life.
SUMMERY OF THE UTILITY MODEL
The main objective of this application is to provide an intelligent mirror based on human face image is analytic, aims at solving the current drawback of monitoring human physiology, psychological information's equipment complex operation, the daily use of not being convenient for.
In order to achieve the purpose, the application provides an intelligent mirror based on human face image analysis, which comprises a mirror body, a shooting device, a lighting device and a processor;
the shooting device is arranged on the mirror body and used for acquiring a complete face image of a user;
the lighting device is arranged on the mirror body and can emit light rays with different wavelengths, and the light rays emitted by the lighting device completely cover the face of the user;
the processor is respectively connected with the shooting device and the illuminating device and is used for controlling the illuminating device and analyzing the face image acquired by the shooting device.
Furthermore, the lighting devices are arranged in pairs, and the lighting devices are symmetrically arranged on the mirror body in a pairwise left-right manner.
Further, the shooting device is a camera or a video camera.
Furthermore, the intelligent mirror also comprises a display device, wherein the display device is connected with the processor and arranged on the mirror body;
the display device is used for displaying the analysis result of the processor.
Further, the display device is an OLED screen.
Further, the intelligent mirror comprises a mirror frame;
the mirror frame surrounds the edge of the mirror body;
the display device is arranged in the middle area of the top of the mirror frame.
Furthermore, the intelligent mirror further comprises a communication device, wherein the communication device is connected with the processor and used for sending the analysis result of the processor to a preset terminal.
Furthermore, the intelligent mirror also comprises an alarm device, wherein the alarm device is connected with the processor and arranged on the mirror body;
the alarm device is used for outputting alarm information.
The utility model provides a pair of intelligent mirror based on facial image is analytic, including mirror body, shooting device and lighting device set up respectively on the mirror body. When the user uses the mirror to comb and wash or make up, the user face is just to the mirror body, and lighting device sends the light irradiation of different wavelength at the user face, completely covers the user face, and shooting device obtains the face image of user under the light single irradiation of different wavelength or the face image under the light irradiation of single wavelength. The images obtained by shooting the facial skin, cosmetics, subcutaneous blood vessels and other characteristics of the user under the irradiation of light rays with different wavelengths have different gray level expressions. Furthermore, the expression and skin condition of the face of the user during shooting can also represent the psychological state of the user. Therefore, the intelligent mirror can acquire relevant information of the user, such as physiological information, psychological information and makeup information of the user, by correspondingly analyzing each face image, does not need the user to operate, and is convenient for daily use.
Drawings
Fig. 1 is an overall structural diagram of an intelligent mirror based on face image analysis in an embodiment of the present application.
The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application 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 present application and are not intended to limit the present application.
Referring to fig. 1, an embodiment of the present application provides an intelligent mirror based on human face image analysis, including a mirror body 1, a shooting device 2, a lighting device 3, and a processor 4;
the shooting device 2 is arranged on the mirror body 1 and used for acquiring a complete face image of a user;
the lighting device 3 is arranged on the mirror body 1 and can emit light rays with different wavelengths, and the light rays emitted by the lighting device 3 completely cover the face of the user;
the processor 4 is respectively connected to the photographing device 2 and the illuminating device 3, and is configured to control the illuminating device 3 and analyze the face image acquired by the photographing device 2.
Preferably, the photographing device 2 is a camera or a video camera.
In this embodiment, the intelligent mirror includes a mirror body 1, a photographing device 2, a lighting device 3, and a processor 4. Wherein, shoot device 2 and lighting device 3 and all set up on mirror body 1, and the user is when using mirror body 1 to comb and wash or make up, and user's face can be openly towards mirror body 1. In the process, the lighting device 3 emits light with different wavelengths to irradiate the face of the user, and the light completely covers the face of the user. The photographing device 2 photographs the face of the user under the irradiation of the light, so as to obtain the face image of the user under the single irradiation of the light with different wavelengths or the face image under the single irradiation of the light with the single wavelength. Preferably, the photographing device 2 may be a camera or a video camera. The processor 4 may be provided on the mirror body 1 or elsewhere. The processor 4 is connected to the imaging device 2 and the lighting device 3, and may be electrically connected or signal connected. The processor 4 can control the lighting device 3 to emit light with different wavelengths and the irradiation time of the light with different wavelengths according to the setting. The processor 4 receives the face image of the user acquired by the photographing device 2, and performs corresponding analysis on the face image, so as to obtain the physiological information, the psychological information or the makeup information of the user. Specifically, the processor 4 obtains, through the shooting device 2, such as a camera, face images of the face of the user respectively obtained by shooting the face images under the single irradiation of the light rays with different wavelengths, or the face images of the face of the user obtained by shooting the face images under the single irradiation of the light rays with the different wavelengths, wherein the face images can be photos or videos. The number of the lighting devices 3 may be one or more, and the lighting devices can convert and output light with different wavelengths, such as red light, infrared light, and the like. The light emitted by the lighting device 3 needs to completely cover the face of the user, so that the whole face image of the user, which is obtained by shooting by the shooting device 2, is irradiated by the light with the same wavelength and has the same comparison reference, thereby avoiding that the gray scale recognition for the face image subsequently has errors due to different optical wavelengths corresponding to different areas on the same face image, and the accuracy of the obtained user information is reduced. After obtaining the face images, the processor 4 needs to associate each face image with the light with the corresponding wavelength, for example, if the face image a is obtained by shooting under the illumination of green light, the face image a and the green light are associated. When the subsequent processor 4 analyzes each face image, the corresponding analysis rule is called according to the type of the user information required to be acquired, and different analysis rules perform corresponding analysis on the face images acquired by different wavelengths, so that different types of user information are obtained through evaluation.
Preferably, the method of the embodiment can perform single evaluation on the user, and can also perform long-term tracking evaluation on the user. Specifically, in a single evaluation, the processor 4 can obtain the physiological information and the makeup information of the user by analyzing, individually or comprehensively, face images taken by the camera 2 under single irradiation of light rays of different wavelengths, respectively, or face images taken by the face of the user under single irradiation of light rays of a single wavelength. For example, the light includes ultraviolet light and red light, wherein the user face image captured by the capturing device 2 in an ultraviolet light irradiation environment is a first face image, and the user face image captured in a red light irradiation environment is a second face image. After obtaining the first face image and the second face image, the processor 4 associates the first face image with the ultraviolet light and the second face image with the red light, so that the face image of the user can be analyzed correspondingly according to different wavelengths of the light. The processor 4 respectively performs gray level analysis on the first face image and the second face image, the gray levels corresponding to the shielded area of the face skin and the black spot area of the face image user face are larger in the image obtained by shooting under ultraviolet light irradiation, and the shielded area of the face skin and the black spot area are visually displayed as black. And the second face image shot under the irradiation of the red light can only show the color of the skin on the surface of the user and cannot show black spots on the skin. Therefore, the processor 4 compares the first face image with the second face image in gray scale with reference to the second face image, and if the first face image has a speckle region with a larger gray scale in the same region of the user face image, the processor 4 may evaluate the speckle region as a black spot, thereby recognizing the number of black spots on the user face and further evaluating the skin condition of the user face. Similarly, if the first face image has a continuous area with a larger gray scale, such as a block area, in the same area of the face image of the user, the user may apply skin care products, such as sunscreen cream, to the continuous area, so as to identify the makeup area of the face of the user, and then evaluate the makeup information of the user.
In another embodiment, the light of a single wavelength emitted by the illumination device 3 is green light, and the processor 4 needs to perform continuous shooting during the process of acquiring the user image through the shooting device 2. If the photographing device 2 is a camera, the photographing device 2 needs to perform rapid photographing to obtain a plurality of images of the face of the user to realize continuous photographing of the face of the user. If the shooting device 2 is a camera, the user face image can be continuously shot under the direct green light illumination, and the subsequent processor 4 can split the video of the user face image into one single frame and analyze the frame in the sequence of shooting time when carrying out gray scale recognition on the user face image. Specifically, the shooting device 2 respectively obtains a plurality of third face images of the user under the green light illumination according to a first preset time interval, for example, if a third face image is shot every 0.1 second, the first preset time interval is 0.1S. After the third face image is obtained, the processor 4 associates the third face image with green light. When the user is beating, the facial skin will reflect the green light with different intensity. The processor 4 performs gray scale recognition on a plurality of consecutive third face images to obtain the gray scale change frequency of each third face image (the image gray scale value is inversely related to the reflected light intensity, and the image gray scale value is smaller when the reflected light intensity is larger, or vice versa). The change frequency of the gray scale analyzed by the processor 4 is actually the heartbeat frequency of the user, for example, the gray scale of the third face image changes once every 1 second, that is, the change frequency of the gray scale is 1 second, correspondingly, the heartbeat frequency of the user is 1 second, and the heart rate is 60 times/min. Therefore, the processor 4 can directly obtain the heart rate information of the user according to the gray scale change frequency.
Further, in another embodiment, the light emitted by the lighting device 3 with different wavelengths is red light and infrared light, and preferably, the frequency band of the red light is 660nm, and the frequency band of the infrared light is 880 nm. When the lighting device 3 emits red light and infrared light, the red light and the infrared light need to be emitted alternately according to a preset frequency to irradiate the face of the user. While the lighting device 3 emits light, the shooting device 2 shoots the face of the user according to the preset frequency of red light and infrared light conversion, so that a second face image of the user under red light irradiation each time and a fourth face image of the user under infrared light irradiation each time are obtained. When the processor 4 obtains the second face image, the corresponding relation between the second face image and the red light is established; when the fourth face image is obtained, the fourth face image and the infrared light are in a corresponding relation, so that the situation that light rays with different wavelengths are mixed with the corresponding face image of the user when the blood oxygen saturation degree of the user is evaluated subsequently is avoided.
Further, in another embodiment, the processor 4 performs corresponding analysis on the second image and the fourth image according to the prior art detection principle of the blood oxygen saturation level of the human body, so as to evaluate the blood oxygen saturation level of the user. The human blood comprises oxyhemoglobin and hemoglobin, wherein the oxyhemoglobin has a small absorption capacity on 660nm red light and a large absorption capacity on 880nm infrared light; hemoglobin absorbs more 660nm red light and less 880nm infrared light. In the prior art, a detector can determine the oxygenation degree of hemoglobin by measuring the ratio of infrared absorption amount to red absorption amount by a spectrophotometry, so as to obtain the blood oxygen saturation of a human body. As can be seen from the above, when the amount of light absorption is large, the intensity of the reflected light is low, that is, the gray scale value of the corresponding image is large. Therefore, the processor 4 analyzes the second image and the fourth image respectively, so as to obtain the gray value corresponding to the second image: the first gray scale, and the gray scale value corresponding to the fourth image: a second gray scale. The processor 4 is equivalent to determining a ratio of the infrared light absorption amount to the red light absorption amount based on a ratio between the first gray scale and the second gray scale, thereby estimating the blood oxygen saturation of the user.
Further, in another embodiment, the processor 4 performs gray scale recognition on the single face image, and defines an area where the left face of the user is coated with the foundation as the first distribution area, and an area where the right face of the user is coated with the foundation as the second distribution area. Then, gray comparison is carried out on the first distribution area and the second distribution area respectively, and the symmetry degree of the first distribution area and the second distribution area is evaluated, for example, whether the gray values of the symmetric areas are the same or not is judged, so that whether foundation is uniformly coated or not is judged; or whether the overall outer contours of the first distribution area and the second distribution area are symmetrical or not is judged, so that whether the face is completely coated with the foundation is judged, and the makeup information of the user is obtained through evaluation. Further, the processor 4 may compare the face image after makeup by the user with the face image during plain makeup by gray scale, so as to identify whether the skin defects such as black spots are completely covered after makeup by the user, thereby obtaining further makeup information of the user.
Preferably, in another embodiment, the intelligent mirror establishes a long-term assessment of the user. In long-term tracking evaluation, the processor 4 identifies the user identity through face recognition technology and establishes archive management for the user. Preferably, in the embodiment of performing long-term tracking evaluation for the user, the lighting device 3 and the camera 2 are arranged at positions where the user regularly appears, such as a toilet mirror and a dresser mirror, and the user basically goes to the toilet to comb and wash the mirror after getting up every day, so that the user can be ensured to acquire the face image of the user in the same time period every day. Specifically, when the lighting device 3 and the photographing device 2 are installed on a mirror of a washroom, a user can perform appearance arrangement in front of the mirror when washing in the morning every day, at the moment, the lighting device 3 outputs light rays, so that the light rays of the face of the user are uniformly distributed, and then the face image of the user is obtained through the photographing device 2. The processor 4 may recognize the distribution of facial wrinkles from the face image of the user using an image recognition technique, and then may analyze the growth variation and mental variation of the user according to the change of the distribution of facial wrinkles of the user in the photographing order according to the photographing frequency once a day. When the psychological pressure of the user is high and the mind is not good, the growth trend of the facial folds is increased, the threshold value of the growth trend is arranged in the processor 4, and when the growth trend of the facial folds of the user is larger than the threshold value, the psychological pressure of the user in the period of time can be deduced to be larger, so that the psychological information of the user can be obtained.
Preferably, the mirror body 1 is installed in a toilet or a toilet room.
In this embodiment, the mirror body 1 is installed in a toilet or a toilet room. The user often combs with the mirror facing the toilet or makes up with the mirror facing the toilet after getting up in the morning. Therefore, the mirror body 1 is arranged in a toilet or a makeup room, on one hand, the face image of the user can be regularly obtained (the change of the time when the user gets up and washes the toilet is not too large) and the processor 4 correspondingly analyzes the face image of the user in the same time period every day, so that the obtained psychological information, physiological information or makeup information of the user has higher accuracy. On the other hand, the user is in the most initial state of the body of the user when getting up and washing, the obtained face image of the user is relatively less influenced by external factors corresponding to the physiological information or psychological information of the user obtained after analysis (for example, the analyzed physiological information or information of the user is probably influenced by the work of the user when the face image of the user is obtained after working for one day), and the accuracy is high.
Further, the lighting devices 3 are arranged in pairs, and each lighting device 3 is symmetrically arranged on the mirror body 1 in a left-right manner.
Preferably, the outer contour of the mirror body 1 is rectangular.
In the present embodiment, the lighting devices 3 are provided in pairs, that is, at least one pair of lighting devices 3 is provided. Wherein, each lighting device 3 is arranged on the mirror body 1 in bilateral symmetry between two. The lighting device 3 is arranged in a bilateral symmetry mode, on one hand, the light rays emitted can be guaranteed to completely cover the face of the user, on the other hand, the light rays of the left face and the right face of the user can be guaranteed to be distributed symmetrically and uniformly, and the resolution accuracy of the follow-up processor 4 to the obtained face image is improved. Preferably, the outer contour of the mirror body 1 is rectangular, so that the paired lighting devices 3 can be conveniently positioned when being installed, and the paired lighting devices 3 are symmetrically installed at the top corners of the mirror body 1 in the left-right direction, so that a better irradiation effect can be obtained.
Further, the intelligent mirror further comprises a display device 5, wherein the display device 5 is connected with the processor 4 and arranged on the mirror body 1;
the display device 5 is used for displaying the analysis result of the processor 4.
Preferably, the display device 5 is an OLED screen.
In this embodiment, the intelligent mirror further includes a display device 5, and the display device 5 is connected with the processor 4 and is disposed on the mirror body 1. The processor 4 can obtain physiological information, information or makeup information of the user (for example, score the makeup of the user) after analyzing the face image, and then display the information of the user through the display device 5, so that the user can intuitively obtain the relevant information of the user. Preferably, the display device 5 is an OLED screen, which has a small overall weight and is easily mounted on the mirror body 1.
Further, the intelligent mirror comprises a mirror frame 6;
the mirror frame 6 surrounds the edge of the mirror body 1;
the display device 5 is arranged in the middle area of the top of the frame 6.
In this embodiment, intelligence mirror includes picture frame 6, and picture frame 6 surrounds the border formation of mirror body 1, can play the effect of protection to mirror body 1. The display device 5 is arranged in the middle area of the top of the mirror frame 6, so that a user can conveniently watch information on the display device 5, and the effect of transmitting the information by the display device 5 is improved.
Further, the intelligent mirror further comprises a communication device, and the communication device is connected with the processor 4 and is used for sending the analysis result of the processor 4 to a preset terminal.
In this embodiment, the intelligent mirror further includes a communication device, the communication device is connected to the processor 4, and the processor 4 performs corresponding analysis on the face image of the user to obtain physiological information, psychological information or makeup information of the user. The processor 4 sends the user's physiological information, psychological information or makeup information to a preset terminal, such as the user's mobile phone or the cloud, via the communication device, for backup recording. Wherein, communication device carries out data transmission through wireless signal such as wifi signal, bluetooth signal.
Furthermore, the intelligent mirror further comprises an alarm device 7, wherein the alarm device 7 is connected with the processor 4 and is arranged on the mirror body 1;
the alarm device 7 is used for outputting alarm information.
Preferably, the alarm device is an alarm bell or an alarm lamp.
Preferably, the smart mirror further comprises an alarm device 7, which alarm device 7 may be an alarm lamp (which indicates an alarm by flashing) or an alarm bell (which indicates an alarm by ringing). The alarm device 7 is arranged on the mirror body 1 and is connected with the processor 4. The threshold is set in the internal database of the processor 4, and when the physiological information or the psychological information of the user is obtained through analysis, the physiological information or the psychological information of the user is compared with the set threshold (for example, the current heart rate of the user is compared with a preset heart rate threshold), so that the physiological information or the psychological information of the user is evaluated. If the processor 4 evaluates that the physical or mental health condition of the user is poor (for example, the current heart rate of the user exceeds a preset heart rate threshold), the processor 4 controls the alarm device 7 to output alarm information, thereby alerting the user.
The intelligent mirror based on human face image analysis provided by the embodiment comprises a mirror body 1, a shooting device 2 and a lighting device 3, wherein the shooting device 2 and the lighting device 3 are respectively arranged on the mirror body 1. When a user uses the mirror to comb or make up, the face of the user is opposite to the mirror body 1, the lighting device 3 emits light rays with different wavelengths to irradiate the face of the user, the face of the user is completely covered, and the shooting device 2 obtains face images of the user under the single irradiation of the light rays with different wavelengths or face images under the single irradiation of the light rays with single wavelength. The images obtained by shooting the facial skin, cosmetics, subcutaneous blood vessels and other characteristics of the user under the irradiation of light rays with different wavelengths have different gray level expressions. Furthermore, the expression and skin condition of the face of the user during shooting can also represent the psychological state of the user. Therefore, the intelligent mirror can acquire relevant information of the user, such as physiological information, psychological information and makeup information of the user, by correspondingly analyzing each face image, does not need the user to operate, and is convenient for daily use.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, apparatus, article, or method that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, apparatus, article, or method. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, apparatus, article, or method that includes the element.
The above description is only for the preferred embodiment of the present application and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are intended to be included within the scope of the present application.
Claims (8)
1. An intelligent mirror based on human face image analysis is characterized by comprising a mirror body, a shooting device, a lighting device and a processor;
the shooting device is arranged on the mirror body and used for acquiring a complete face image of a user;
the lighting device is arranged on the mirror body and can emit light rays with different wavelengths, and the light rays emitted by the lighting device completely cover the face of the user;
the processor is respectively connected with the shooting device and the illuminating device and is used for controlling the illuminating device and analyzing the face image acquired by the shooting device.
2. An intelligent mirror based on facial image analysis according to claim 1, wherein the illumination devices are arranged in pairs, and each illumination device is disposed on the mirror body in bilateral symmetry.
3. An intelligent mirror based on facial image analysis according to claim 1, wherein the camera means is a still camera or a video camera.
4. An intelligent mirror based on facial image analysis as claimed in claim 1, wherein the intelligent mirror further comprises a display device connected with the processor and disposed on the mirror body;
the display device is used for displaying the analysis result of the processor.
5. An intelligent mirror based on facial image parsing as claimed in claim 4 wherein the display device is an OLED screen.
6. An intelligent mirror based on facial image parsing as claimed in claim 4, wherein the intelligent mirror comprises a mirror frame;
the mirror frame surrounds the edge of the mirror body;
the display device is arranged in the middle area of the top of the mirror frame.
7. An intelligent mirror based on facial image analysis as claimed in claim 1, further comprising a communication device connected with the processor for sending the analysis result of the processor to a preset terminal.
8. An intelligent mirror based on facial image analysis as claimed in claim 1, wherein the intelligent mirror further comprises an alarm device, the alarm device is connected with the processor and is arranged on the mirror body;
the alarm device is used for outputting alarm information.
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| CN111626127A (en) * | 2020-04-26 | 2020-09-04 | 杨铭轲 | User information acquisition method and device based on face image and computer equipment |
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| CN111626127A (en) * | 2020-04-26 | 2020-09-04 | 杨铭轲 | User information acquisition method and device based on face image and computer equipment |
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