CN113487670A - Cosmetic mirror and state adjusting method - Google Patents

Cosmetic mirror and state adjusting method Download PDF

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Publication number
CN113487670A
CN113487670A CN202011159421.0A CN202011159421A CN113487670A CN 113487670 A CN113487670 A CN 113487670A CN 202011159421 A CN202011159421 A CN 202011159421A CN 113487670 A CN113487670 A CN 113487670A
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China
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user
face
cosmetic mirror
image
information
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CN202011159421.0A
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CN113487670B (en
Inventor
陈维强
刘晓潇
高雪松
黄利
李广琴
孙锦
孟祥奇
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Qingdao Hisense Electronic Industry Holdings Co Ltd
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Qingdao Hisense Electronic Industry Holdings Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/70—Determining position or orientation of objects or cameras
    • G06T7/73—Determining position or orientation of objects or cameras using feature-based methods
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G1/00—Mirrors; Picture frames or the like, e.g. provided with heating, lighting or ventilating means
    • A47G1/02—Mirrors used as equipment

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  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Analysis (AREA)
  • Studio Devices (AREA)

Abstract

The application provides a cosmetic mirror and a state adjustment method, the cosmetic mirror includes: the image collector is used for collecting first image information of a user; a processor configured to: determining the head posture of the user and the position information of the user relative to the cosmetic mirror according to the first image information; determining whether to send first indication information to the user or not based on the head posture and the position information, wherein the first indication information is used for indicating the user to adjust the head posture and/or the position; and the prompter is used for sending out first indication information according to the configuration of the processor. The mode is that the face state of the user is judged through the cosmetic mirror, and the cosmetic mirror determines whether the current face state data of the user can meet the subsequent processing requirement, so that the condition that whether the face state data of the user is suitable or not is judged autonomously by the user is avoided, and the quality of the image for subsequent processing is improved.

Description

Cosmetic mirror and state adjusting method
Technical Field
The embodiment of the application relates to the technical field of artificial intelligence, in particular to a cosmetic mirror and a state adjusting method.
Background
At present, a user can better manage his makeup by using an intelligent cosmetic mirror, and the main principle of the intelligent cosmetic mirror is that the intelligent cosmetic mirror intelligently recommends a proper makeup for the user by acquiring facial feature data of the user and guides the user to modify the facial makeup timely.
In the process, the intelligent cosmetic mirror acquires facial feature data of the user by collecting the face photos of the user, so that makeup recommendation is carried out. However, in the process of acquiring the face picture of the user by the intelligent cosmetic mirror, the user is often required to adjust the head pose and the position of the user relative to the mirror surface according to the prompt sent by the intelligent cosmetic mirror, and the user can autonomously judge whether the current head pose and position meet the shooting requirement of the face picture.
In summary, the intelligent cosmetic mirror in the prior art has the disadvantage of user subjectivity when acquiring the face picture.
Content of application
The application provides a cosmetic mirror and a state adjusting method, which are used for solving the problem that the intelligent cosmetic mirror has user subjectivity when a face photo is collected.
In a first aspect, embodiments of the present application provide a cosmetic mirror, including: the image collector is used for collecting first image information of a user; a processor configured to: determining a head pose of the user and position information of the user relative to the cosmetic mirror from the first image information; determining whether to send first indication information to the user based on the head posture and the position information, wherein the first indication information is used for indicating the user to adjust the head posture and/or the position; and the prompter is used for sending the first indication information according to the configuration of the processor.
Based on the scheme, the image collector of the cosmetic mirror collects the first image information of the user, acquires the head posture of the user and the position information of the user relative to the mirror surface, and then the cosmetic mirror judges whether indication information for adjusting the head posture and/or the position needs to be sent to the user or not based on the acquired head posture and the position information. The mode is that the face state of the user is judged through the cosmetic mirror, and the cosmetic mirror determines whether the current face state data of the user can meet the subsequent processing requirement, so that the condition that whether the face state data of the user is suitable or not is judged autonomously by the user is avoided, and the quality of the image for subsequent processing is improved.
In some embodiments of the present application, the processor is further configured to: when the head posture and the position information are determined to meet preset conditions, sending second indication information to the user, wherein the second indication information is used for indicating the user to keep the current state to a preset time threshold; the prompter is also used for sending out the second indication information according to the configuration of the processor; the image collector is further used for collecting second image information of the user when the user keeps the current state.
Based on the scheme, when the cosmetic mirror analyzes the head posture and the position information and determines that the head posture and the position information both accord with respective preset conditions, the indication information of keeping the current state to the preset time threshold value can be sent to the user, the image information of the user in keeping the current state is automatically collected, and the user does not need to manually shoot, so that the problem that the original state which accords with the shooting requirement of the face photo does not accord with the shooting requirement of the face any more due to manual shooting can be avoided.
In some embodiments of the present application, the processor is specifically configured to: after the first image information is identified to comprise a face image, N2D face key points in the face image are obtained; n is a positive integer; matching the N2D face key points with a preset 3D face model to determine the head pose; wherein the head pose is represented by the Euler angle.
In some embodiments of the present application, the cosmetic mirror further comprises a display screen disposed on the mirror surface; the processor is specifically configured to: after the first image information is identified to comprise a face image, generating a face guide frame; the display screen is used for displaying the face guide frame; the face guide frame is used for instructing a user to place a facial contour in the face guide frame.
Based on the scheme, if the first image information is identified by the cosmetic mirror, the face guide frame is generated if the first image information comprises the face image, and the face guide frame is displayed through the display screen arranged on the mirror surface of the cosmetic mirror, so that a user is prompted to place the face outline of the user in the face guide frame by adjusting the face of the user. In the scheme, the face guide frame has the function of guiding the user to adjust the position of the user relative to the mirror surface, so that whether the current state of the user can meet the requirement of photo collection or not is detected in real time.
In some embodiments of the present application, the processor is specifically configured to: after the first image information is identified to comprise a face image, generating a face guide frame with a first color; and when the head pose and the position information are determined to meet the preset conditions, generating a face guide frame with a second color.
Based on the scheme, the face guide frame has the function of guiding the user to adjust the face, so that on one hand, whether the current state of the user can meet the requirement of photo collection can be detected in real time by the cosmetic mirror, and on the other hand, whether the current state of the user can meet the requirement of photo collection can be intuitively prompted by changing the color of the face guide frame, and therefore the user experience can be enhanced.
In some embodiments of the present application, the processor is specifically configured to: if the Euler angle corresponding to the head posture is determined not to meet the preset angle condition, determining to send the first indication information to the user; the preset angle condition is a face forward cosmetic mirror; and/or determining a contour position of a face contour in the cosmetic mirror from the first image information; if the contour position is determined not to meet the preset position condition, the first indication information is determined to be sent to the user; the preset position condition is that the outline position is positioned between the first face frame and the second face frame; wherein the first face frame is a face frame with a largest recognizable face contour, and the second face frame is a face frame with a smallest recognizable face contour.
Based on the scheme, after the head posture and the position information of the user are obtained, the cosmetic mirror matches the Euler angle corresponding to the head posture with the preset angle condition, matches the obtained position information with the preset position condition, and sends first indication information for adjusting the head posture and/or the position to the user when one or both of the Euler angle and the preset angle condition are determined to be not in accordance with the preset condition.
In a second aspect, embodiments of the present application provide a cosmetic mirror, including: the image collector is used for collecting first image information of a user; the display screen is used for displaying; a processor configured to: controlling the display screen to display in a first state in response to a first head pose of a user; and controlling the display screen to display in a second state in response to a second head gesture of the user, wherein the first state is different from the second state.
Based on the scheme, the image collector of the cosmetic mirror acquires first image information of a user, when the processor of the cosmetic mirror detects that the first image comprises the head of the user and the posture is the first head posture, the display screen of the cosmetic mirror can be controlled to display in the first state, when the processor detects that the head posture of the user is the second head posture, the display screen can be controlled to display in the second state, wherein the first head posture and the second head posture are two head postures corresponding to the requirements that the user meets and does not meet the shooting requirements in the process of adjusting the head posture facing the cosmetic mirror, when the head posture meets the shooting requirements, the information meeting the shooting requirements is directly transmitted to the user through updating the state of the display screen, and the use experience of the user on the cosmetic mirror is enhanced.
In a third aspect, an embodiment of the present application provides a state adjustment method, where the method includes: determining a head pose of a user and position information of the user relative to a cosmetic mirror according to first image information; the first image information is obtained by collecting the state of the user through an image collector of the cosmetic mirror; and determining whether to send first indication information to the user or not based on the head posture and the position information, wherein the first indication information is used for indicating the user to adjust the head posture and/or the position.
Based on the scheme, the image collector of the cosmetic mirror collects the first image information of the user, acquires the head posture of the user and the position information of the user relative to the mirror surface, and then the cosmetic mirror judges whether indication information for adjusting the head posture and/or the position needs to be sent to the user or not based on the acquired head posture and the position information. The mode is that the face state of the user is judged through the cosmetic mirror, and the cosmetic mirror determines whether the current face state data of the user can meet the subsequent processing requirement, so that the condition that whether the face state data of the user is suitable or not is judged autonomously by the user is avoided, and the quality of the image for subsequent processing is improved.
In some embodiments of the present application, when it is determined that the head pose and the position information meet the preset condition, second indication information is sent to the user, where the second indication information is used to indicate that the user maintains the current state to a preset time threshold.
Based on the scheme, when the cosmetic mirror analyzes the head posture and the position information and determines that the head posture and the position information both accord with respective preset conditions, the indication information of keeping the current state to the preset time threshold value can be sent to the user, the image information of the user in keeping the current state is automatically collected, and the user does not need to manually shoot, so that the problem that the original state which accords with the shooting requirement of the face photo does not accord with the shooting requirement of the face any more due to manual shooting can be avoided.
In some embodiments of the present application, after the first image information is identified to include a face image, N2D face key points in the face image are obtained; n is a positive integer; matching the N2D face key points with a preset 3D face model to determine the head pose; wherein the head pose is represented by the Euler angle.
In some embodiments of the present application, after the face image is identified to be included in the first image information, a face guidance box is generated.
Based on the scheme, if the first image information is identified by the cosmetic mirror, the face guide frame is generated if the first image information comprises the face image, and the face guide frame is displayed through the display screen arranged on the mirror surface of the cosmetic mirror, so that a user is prompted to place the face outline of the user in the face guide frame by adjusting the face of the user. In the scheme, the face guide frame has the function of guiding the user to adjust the position of the user relative to the mirror surface, so that whether the current state of the user can meet the requirement of photo collection or not is detected in real time.
In some embodiments of the present application, after the face image is identified to be included in the first image information, a face directing frame with a first color is generated; and when the head pose and the position information are determined to meet the preset conditions, generating a face guide frame with a second color.
Based on the scheme, the face guide frame has the function of guiding the user to adjust the face, so that on one hand, whether the current state of the user can meet the requirement of photo collection can be detected in real time by the cosmetic mirror, and on the other hand, whether the current state of the user can meet the requirement of photo collection can be intuitively prompted by changing the color of the face guide frame, and therefore the user experience can be enhanced.
In some embodiments of the present application, if it is determined that the euler angle corresponding to the head pose does not satisfy a preset angle condition, it is determined to send the first indication information to the user; the preset angle condition is a face forward cosmetic mirror; and/or determining a contour position of a face contour in the cosmetic mirror from the first image information; if the contour position is determined not to meet the preset position condition, the first indication information is determined to be sent to the user; the preset position condition is that the outline position is positioned between the first face frame and the second face frame; wherein the first face frame is a face frame with a largest recognizable face contour, and the second face frame is a face frame with a smallest recognizable face contour.
Based on the scheme, after the head posture and the position information of the user are obtained, the cosmetic mirror matches the Euler angle corresponding to the head posture with the preset angle condition, matches the obtained position information with the preset position condition, and sends first indication information for adjusting the head posture and/or the position to the user when one or both of the Euler angle and the preset angle condition are determined to be not in accordance with the preset condition.
In a fourth aspect, an embodiment of the present application provides a computing device, including:
a memory for storing program instructions;
and the processor is used for calling the program instructions stored in the memory and executing the implementation method of the third aspect according to the obtained program.
In a fifth aspect, the present application provides a computer-readable storage medium storing computer-executable instructions for causing a computer to perform any one of the implementation methods as in the third aspect.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly introduced 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 based on these drawings without inventive exercise.
Fig. 1 is a possible system architecture provided by an embodiment of the present application;
fig. 2 is a state adjustment method according to an embodiment of the present disclosure;
fig. 3 is a schematic diagram of euler angles of a head pose provided in an embodiment of the present application;
fig. 4 is a schematic diagram of a 6-point 2D-3D keypoint mapping provided in an embodiment of the present application;
FIG. 5 is a schematic interface diagram of a real-time human face guidance box according to an embodiment of the present disclosure;
FIG. 6 is a schematic diagram of a position determination according to an embodiment of the present application;
fig. 7 is a schematic view of an initialization interface for collecting a face photo according to an embodiment of the present application;
fig. 8 is a schematic view of a successful face photograph acquisition interface according to an embodiment of the present application;
FIG. 9 is a cosmetic mirror according to an embodiment of the present disclosure;
fig. 10 is a schematic diagram of a computing device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application clearer, the present application will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
At present, by using an intelligent cosmetic mirror, a user can better manage his makeup. The intelligent cosmetic mirror acquires facial feature data of a user by collecting face photos of the user, so that the purpose of recommending appropriate makeup to the user and timely guiding the user to modify the facial makeup is achieved.
However, when the existing intelligent cosmetic mirror collects the facial image of the user, the user is often required to adjust the head pose and position according to the prompt sent by the intelligent cosmetic mirror, and the user can autonomously judge whether the current head pose and position meet the shooting requirement of the face picture. In addition, if the user determines that the current head posture and position meet the shooting requirements, the user needs to manually shoot the face picture.
In summary, the above-mentioned manner of acquiring the facial image of the user by the intelligent cosmetic mirror has a subjective disadvantage, and the manual photographing manner affects the head pose and position originally meeting the photographing requirement, so that the head pose and position during photographing do not meet the photographing requirement.
Based on the above problems, the embodiments of the present application provide a possible system architecture. As shown in fig. 1, a schematic diagram of a possible system architecture provided in the embodiment of the present application includes a cosmetic mirror 110 and a user 120. The cosmetic mirror 110 includes a processor 1101, an image collector 1102 and a prompter 1103, and in some embodiments of the present application, the cosmetic mirror 110 further includes a display screen 1104 disposed on the mirror surface.
The image collector 1102 may be a camera directly mounted on the cosmetic mirror 110, or may be a camera indirectly connected to the cosmetic mirror 110, which is not specifically limited in the embodiment of the present application. The image collector 1102 on the one hand can be used for acquiring image information of the user in real time and sending the acquired image information to the processor 1101 in the cosmetic mirror 110, wherein the head pose of the user and the position of the user relative to the mirror surface can be determined through the image information, wherein the position can include the distance between the face of the user and the cosmetic mirror 110 and the presentation position of the face of the user in the cosmetic mirror 110, wherein the presentation position can include various situations that the complete face of the user is located in the middle of the cosmetic mirror 110, the right face of the user is located in the upper left corner region/lower left corner region of the cosmetic mirror 110, the left face of the user is located in the upper right corner region/lower right corner region of the cosmetic mirror 110, and the like; on the other hand, the image collector 1102 may also be configured to shoot a human face meeting the shooting requirement, and send the shot human face picture to the processor 1101 in the cosmetic mirror 110, so that the processor 1101 performs the next step of processing.
In the embodiment of the present application, the processor 1101 can be mainly used for the following two aspects:
in a first aspect, the processor 1101 receives the image information of the user sent by the image collector 1102, analyzes the image information, and determines whether the image information of the user in the current state can be collected for the next step of processing.
Based on the analysis results of the first aspect, the second aspect may in turn include the following two cases:
in case 1, when it is determined that image information of a user in a current state can be acquired, an image acquisition instruction is sent to the image acquirer 1102, so that the image acquirer 1102 shoots a face meeting shooting requirements, and receives the image information of the user sent by the image acquirer 1102 to process the image information in the next step;
in case 2, when it is determined that the image information of the user in the current state cannot be acquired, on the one hand, the processor 1101 may send indication information to the prompter 1103 and the display screen 1104, for example, may send the indication information to the prompter 1103 to send a prompt to the user to adjust the head state and/or the position of the user through the prompter 1103, and may send the indication information to the display screen 1104 to send a prompt to the user to adjust the position of the user through the display screen 1104. The prompter 1103 may send prompt information to the user in a text form, may send prompt information to the user in a voice broadcast form, may combine the text form and the voice broadcast form, and may also use other prompt forms, which is not specifically limited in the present application; the display screen 1104 may send prompt information for adjusting the position of the display screen 1104 to the user by generating a face guide frame and changing the color of the face guide frame, and it can be understood that the display screen 1104 has a function of sending the prompt information to the user like the prompter 1103, in other words, the display screen 1103 at this time is a specific implementation manner of the prompter 1103; on the other hand, the processor 1101 may also send an acquisition instruction of the image information to the image acquirer 1102, and acquire and analyze the image information of the user in the process of adjusting the head pose and/or position of the user in real time.
The prompter 1103 may be configured to display text prompt information sent by the processor 1101, so that the user adjusts the head pose and/or position of the user according to the text prompt information; optionally, the text prompt information further includes information of color change of the face guide frame, and the user can intuitively receive information that the head posture and the position of the user in the current state both meet the preset face shooting requirement by using the operation of changing the color of the face guide frame. The prompter 1103 may also be used to play voice prompt information sent by the processor 1101 so that the user adjusts or maintains the head pose and/or position of the user according to the voice prompt information.
The display 1104 may be used to generate a face guide box according to the instruction information sent by the processor 1101, and change the color of the face guide box to send prompt information for adjusting the position of the user.
Based on the problems of the background art and the system architecture shown in fig. 1, as shown in fig. 2, a state adjustment method provided by the embodiment of the present application is executed by a processor 1101 in the architecture shown in fig. 1, and includes the following steps:
step 201, determining the head posture of the user and the position information of the user relative to the cosmetic mirror according to the first image information.
In this step, the first image information is obtained by collecting the state of the user through an image collector of the cosmetic mirror.
For example, the first image information of the user may be acquired by the image acquirer 1102 shown in fig. 1. After the image collector obtains the first image information of the user, the first image information is sent to the processor, and therefore the processor determines the head posture and the position information of the user according to the obtained first image information.
Step 202, determining whether to send first indication information to the user based on the head posture and the position information.
In this step, the first indication information is used for indicating the user to adjust the head posture and/or the position. Optionally, the first indication information may be sent by the prompter 1103 shown in fig. 1.
Based on the scheme, the image collector of the cosmetic mirror collects the first image information of the user, acquires the head posture of the user and the position information of the user relative to the mirror surface, and then the cosmetic mirror judges whether indication information for adjusting the head posture and/or the position needs to be sent to the user or not based on the acquired head posture and the position information. The mode is that the face state of the user is judged through the cosmetic mirror, and the cosmetic mirror determines whether the current face state data of the user can meet the subsequent processing requirement, so that the condition that whether the face state data of the user is suitable or not is judged autonomously by the user is avoided, and the quality of the image for subsequent processing is improved.
Some of the above steps will be described in detail with reference to examples.
In one implementation of step 201, after the first image information is identified to include a face image, acquiring N2D face key points in the face image; n is a positive integer; matching the N2D face key points with a preset 3D face model to determine the head pose; wherein the head pose is represented by the Euler angle.
In 3D space, the rotation representing the object can be represented by three Euler angles (Euler Angle), which are called pitch Angle (pitch), yaw Angle (yaw), and roll Angle (roll), respectively. Referring to fig. 3, a schematic diagram of a head pose euler angle provided by an embodiment of the present application, wherein a pitch angle pitch is used to indicate a rotation around an X axis, corresponding to a head raising; yaw angle yaw is used to indicate rotation about the Y axis, corresponding to panning; roll angle roll is used to indicate rotation about the Z axis, corresponding to a rotor head.
In some embodiments of the present application, firstly, facial key points may be detected through a PFLD algorithm, for example, 106 key point labeling data are adopted, detail positions such as an eye contour are located, and N2D facial key points of a user are obtained from the 106 key points, for example, in the embodiments of the present application, the value of N is set to 6 and is respectively expressed as a left eye corner, a right eye corner, a nose tip, a left mouth corner, a right mouth corner, and a chin bottom end of the user; then, matching the N2D face key points with the labeled 3D face model, for example, matching in a 6-point matching manner, as shown in fig. 4, for a 6-point 2D-3D key point mapping schematic diagram provided by the embodiment of the present application; then, the conversion relation between the 3D point and the corresponding 2D point is found by solving the rotation matrix and the translation matrix; and finally, solving the three Euler angles according to the rotation matrix.
In one implementation of step 202, after recognizing that the first image information includes a face image, a face guide frame is generated.
In some embodiments of the present application, the cosmetic mirror further includes a display screen provided with a mirror surface, the display screen being used for displaying the face guide frame; the face guide frame is used for instructing a user to place a facial contour in the face guide frame.
In some embodiments of the application, when the front of the user faces the intelligent cosmetic mirror, the image collector in the intelligent cosmetic mirror can collect the current state of the user, the collected content may include the upper body condition of the user, when the image collector sends the collected image information of the current state of the user to the processor, the processor can detect the face of the user, at this time, the processor can synchronously generate a face guide frame, send the generated face guide frame to the display screen arranged on the mirror surface of the intelligent cosmetic mirror, and the display screen displays the generated face guide frame, so that the user is intuitively prompted to adjust the head posture and position of the user to place the face contour of the user in the displayed face guide frame. Wherein the display area of the face guide box is a preset optimal area for determining whether the head position of the user is appropriate.
In one embodiment, after the first image information is recognized to include a face image, a face guide frame with a first color is generated; and when the head pose and the position information are determined to meet the preset conditions, generating a face guide frame with a second color.
For example, an image collector of the intelligent cosmetic mirror collects the state of the user at the time T1 to obtain an image a, and sends the image a to a processor of the intelligent cosmetic mirror, and the processor identifies the image a to determine that the image a has a human face, but the area where the face contour of the human face at this time is located does not meet the preset condition, so that the processor generates a human face guide frame with a first color, such as a red human face guide frame, and displays the red human face guide frame through a display screen arranged on the mirror surface; when the user sees that the color of the face guide frame is represented as a first color, namely red, the user can know that the head posture and the position of the user need to be adjusted to meet the final shooting requirement, wherein the user has the first head posture at the moment of T1, and the display screen displays in a first state, for example, the color of the face guide frame is displayed as red; in the process that a user adjusts the head posture and the position of the user, the image collector collects state data of the user in real time, if the state data is set at T2, the image collector shoots the state of the user to obtain an image B and sends the image B to the processor, the processor identifies the image A and then determines that a face exists in the image B, and the face contour of the face at the moment can meet a preset condition, so that the processor can generate a face guide frame with a second color, such as a green face guide frame, and the green face guide frame is displayed through a display screen arranged on a mirror surface; when the user sees that the color of the face guide frame is represented as the second color, namely green, the user can know that the current state of the user can meet the final shooting requirement, wherein the user has the second head posture at the time of T2, and the display screen displays in the second state, for example, the color of the face guide frame is represented as green.
In the above process, when the user sees that the color of the face guide frame in the display screen is represented as the first color, on one hand, it can be assumed that the user is reading the instruction of the intelligent cosmetic mirror, as can be clearly stated in the instruction: when the color of the face guide frame is the first color, the user needs to adjust the head posture and the position of the user; when the color of the face guide frame is the second color, the user does not need to adjust the head pose and the position of the user, the current state is kept to the preset time threshold value, and the user knows that the user needs to adjust the head pose and the position of the user according to the content of the use instruction and the fact that the color of the current face guide frame is the first color. On the other hand, the user can also receive the text prompt information and the voice prompt information sent by the intelligent cosmetic mirror through the prompter, and the text and the voice prompt the user to adjust the head posture and the position of the user, so that the user knows that the user needs to adjust the head posture and the position of the user according to the adjustment prompt sent by the intelligent cosmetic mirror to meet the final shooting requirement. Based on the same reason, when the user sees that the color of the face guide frame in the display screen shows the second color, on one hand, the user can be assumed to be reading the instruction manual of the intelligent cosmetic mirror, and on the other hand, the user can also directly receive the text prompt information and the voice prompt information sent by the intelligent cosmetic mirror through the prompter, and knows that the user needs to keep the current state to the preset time threshold value, so that the intelligent cosmetic mirror can collect the face photos meeting the shooting requirements.
Fig. 5 is a schematic interface diagram of a real-time face guidance box according to an embodiment of the present disclosure. Fig. 5 (a) is an interface schematic diagram of a face guidance frame with a first color provided in an embodiment of the present application, and is used to indicate that an area where a face contour of a face is located does not meet a preset condition, so that the face guidance frame is represented in the first color; fig. 5 (b) is an interface schematic diagram of a face guidance frame with a second color according to an embodiment of the present application, and is used to indicate that an area where a face contour of a face is located meets a preset condition, so that the face guidance frame is represented in the second color.
It should be noted that, in fig. 5, a thin line with a darker color is used to indicate that the area where the face contour of the human face is located does not meet the preset condition, that is, the corresponding face guide frame has the first color, and corresponds to the diagram (a); in fig. 5, thicker and brighter lines are used to indicate that the region where the face contour of the human face is located meets the preset condition, that is, the corresponding face guide frame has the second color, corresponding to the diagram (b).
In some embodiments of the present application, if it is determined that the euler angle corresponding to the head pose does not satisfy a preset angle condition, it is determined to send the first indication information to the user; the preset angle condition is a face forward cosmetic mirror; and/or determining a contour position of a face contour in the cosmetic mirror from the first image information; if the contour position is determined not to meet the preset position condition, the first indication information is determined to be sent to the user; the preset position condition is that the outline position is positioned between the first face frame and the second face frame; wherein the first face frame is a face frame with a largest recognizable face contour, and the second face frame is a face frame with a smallest recognizable face contour.
In some embodiments of the present application, when the face of the user is directly opposite to the mirror surface and the head of the user is located at a proper distance from the mirror surface, the image information of the user collected at this time can be defined as a photo meeting the shooting requirement. In the process, whether the head posture of the user meets a preset angle condition or not and whether the position information of the user meets a preset position condition or not are judged, and if and only if the head posture of the user meets the preset angle condition and the position information of the user meets the preset position condition, the image information of the user in the state can be used as a picture meeting the shooting requirement. Specifically, the method comprises the following steps:
in the above example, when the head pose of the user is determined by the face 6-point 2D-3D key point matching technology, that is, three euler angles corresponding to the head pose are determined, the euler angle is compared with a preset angle condition corresponding to any one of the euler angles, and if and only if the three euler angles respectively satisfy the respective preset angle conditions, the user is determined that the face is in a state of facing the mirror surface at the moment.
In the above example, the embodiment of the present application provides a schematic diagram of position determination for the problem of determining whether the position of the head of the user from the mirror surface is appropriate. As shown in fig. 6, the solid line box is used to represent a face guide box, the coordinates of the upper left point of the face guide box are set to (a, b), and the coordinates of the lower right point of the face guide box are set to (a + w, b + h), that is, the face guide box is a rectangular box with a width w and a height h, when the face contour of the user just conforms to the face guide box, it indicates that the position of the head of the user relative to the mirror surface at this time is optimal; however, the user is not always able to adjust the head position to a particular precision so that the face contour of the user just meets the requirement of the face guide frame, therefore, the present application is based on the idea of an error acceptable range, a first face frame and a second face frame are provided, and referring to fig. 6, a dashed frame 1 and a dashed frame 2 are used to represent the first face frame and the second face frame respectively, wherein the first face frame is the face frame with the largest recognizable face contour, such as the dashed frame 1 for representing the largest bounding box of face detection, and the second face frame is the face frame with the smallest recognizable face contour, such as the dashed frame 2 for representing the smallest bounding box of face detection, which means that, it is also appropriate to indicate the position of the face of the user at that time with respect to the intelligent cosmetic mirror when the outline of the face of the user recognized by the image picker is located in the region between the dashed box 1 and the dashed box 2. As an example, it is assumed that the dashed frame 1 and the solid frame have the same center, and the dashed frame 1 is a rectangular frame having a width of 1.1w and a height of 1.1h, and the dashed frame 2 and the solid frame have the same center, and the dashed frame 2 is a rectangular frame having a width of 0.55w and a height of 0.55h, so that it is appropriate to indicate the position of the user's face with respect to the smart cosmetic mirror when the coordinates (left, top, right, bottom) of the user's face contour recognized by the image picker meet the following requirements:
a+w/2-1.1w/2<left<a+w/2-0.55w/2；
b+h/2-1.1h/2<top<b+h/2-0.55w/2；
a+w/2+0.55w/2<right<a+w/2+1.1w/2；
b+h/2+0.55h/2<bottom<b+h/2+1.1h/2；
where left is used to represent the abscissa of the top left point of the user's face contour, top is used to represent the ordinate of the top left point of the user's face contour, right is used to represent the abscissa of the bottom right point of the user's face contour, and bottom is used to represent the ordinate of the bottom right point of the user's face contour.
In one implementation of step 202, when it is determined that the head pose and the position information meet the preset condition, sending second indication information to the user, where the second indication information is used for indicating that the user maintains the current state to a preset time threshold.
In some embodiments of the present application, the indicator of the cosmetic mirror is configured to send the first indication information according to a configuration of the processor; optionally, the image collector of the cosmetic mirror is configured to collect second image information of the user while maintaining the current state.
For example, when the processor of the intelligent cosmetic mirror determines that the head posture of the user meets the preset angle condition and the position information of the user meets the preset position condition, the image information of the user in the state is determined to meet the requirement of picture taking. At this time, the processor may issue an indication message to the user for instructing the user to maintain the state to a preset time threshold. The processor sends the indication information to the prompter, and the prompter sends a prompt to a user, wherein the prompter can send the prompt to the user in a text form, can also send the prompt to the user in a voice broadcast form, or sends the prompt to the user in a text and voice broadcast combined mode, or changes the color of a face guide frame in a display screen (for example, the color of the face guide frame is changed from red to green), or can be a prompt mode in other forms, and the application is not particularly limited; after the user receives the information of keeping the current state to the preset time threshold, the user can execute the action of keeping the current state to the preset time threshold according to the prompt, the intelligent cosmetic mirror detects that the time length of keeping the current state of the user reaches the preset time threshold, and at the moment, the processor sends an image acquisition instruction to the image collector to enable the image collector to acquire second image information of the user when keeping the current state.
Fig. 7 is a schematic view of an initialization interface for acquiring a face photograph according to an embodiment of the present application. The user can be prompted to 'head up the camera', 'take off the glasses' and 'adjust the distance' in a text mode. The illustrated ring is used for indicating that the cosmetic mirror can support a user to manually click for shooting.
As shown in fig. 8, a schematic view of a successful interface for acquiring a face photo provided in an embodiment of the present application is shown. Wherein, the user can be prompted in a text form that the face collection is successful; after the user receives the information of 'face collection success', if the user needs to update the picture meeting the shooting requirement based on a certain requirement, the cosmetic mirror can support the re-collection of the face picture, for example, the user is prompted to re-collect the face picture through a're-recognition' word, so that when the user clicks a're-recognition' function button, the cosmetic mirror can re-execute the step of face picture collection and judgment; otherwise, the user directly enters the operation flow of the next step by clicking the 'perfect pass' function button.
Based on the same concept, the embodiment of the present application further provides a cosmetic mirror, which may correspond to the cosmetic mirror 110 in the system shown in fig. 1, as shown in fig. 9, and includes at least a memory 901 and a processor 902, where the memory is used for storing program instructions; the processor is used for calling the program instructions stored in the memory, and at least the following method is realized by executing the obtained program: determining a head pose of a user and position information of the user relative to a cosmetic mirror according to first image information; the first image information is obtained by collecting the state of the user through an image collector of the cosmetic mirror; and determining whether to send first indication information to the user or not based on the head posture and the position information, wherein the first indication information is used for indicating the user to adjust the head posture and/or the position.
It should be noted that, the method for implementing the cosmetic mirror in the embodiment of the present application may specifically refer to the corresponding description in the embodiment of the method, and is not repeated herein.
The embodiment of the present application further provides a computing device, which may specifically be a desktop computer, a portable computer, a smart phone, a tablet computer, a Personal Digital Assistant (PDA), and the like. The computing device may include a Central Processing Unit (CPU), memory, input/output devices, etc., the input devices may include a keyboard, mouse, touch screen, etc., and the output devices may include a Display device, such as a Liquid Crystal Display (LCD), a Cathode Ray Tube (CRT), etc.
Memory, which may include Read Only Memory (ROM) and Random Access Memory (RAM), provides the processor with program instructions and data stored in the memory. In an embodiment of the present application, the memory may be configured to store program instructions of the state adjustment method;
and the processor is used for calling the program instructions stored in the memory and adjusting the method according to the obtained program execution state.
As shown in fig. 10, a schematic diagram of a computing device provided in an embodiment of the present application includes:
a processor 1001, a memory 1002, a transceiver 1003, a bus interface 1004; the processor 1001, the memory 1002 and the transceiver 1003 are connected through a bus 1005;
the processor 1001 is configured to read a program in the memory 1002 and execute the state adjustment method;
the processor 1001 may be a Central Processing Unit (CPU), a Network Processor (NP), or a combination of a CPU and an NP. But also a hardware chip. The hardware chip may be an application-specific integrated circuit (ASIC), a Programmable Logic Device (PLD), or a combination thereof. The PLD may be a Complex Programmable Logic Device (CPLD), a field-programmable gate array (FPGA), a General Array Logic (GAL), or any combination thereof.
The memory 1002 is used for storing one or more executable programs, and may store data used by the processor 1001 in performing operations.
In particular, the program may include program code including computer operating instructions. The memory 1002 may include a volatile memory (volatile memory), such as a random-access memory (RAM); the memory 1002 may also include a non-volatile memory (non-volatile memory), such as a flash memory (flash memory), a Hard Disk Drive (HDD) or a solid-state drive (SSD); the memory 1002 may also comprise a combination of the above-described types of memory.
The memory 1002 stores the following elements, executable modules or data structures, or a subset thereof, or an expanded set thereof:
and (3) operating instructions: including various operational instructions for performing various operations.
Operating the system: including various system programs for implementing various basic services and for handling hardware-based tasks.
The bus 1005 may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 10, but this is not intended to represent only one bus or type of bus.
The bus interface 1004 may be a wired communication access port, a wireless bus interface, or a combination thereof, wherein the wired bus interface may be, for example, an ethernet interface. The ethernet interface may be an optical interface, an electrical interface, or a combination thereof. The wireless bus interface may be a WLAN interface.
The embodiment of the application also provides a computer-readable storage medium, and the computer-readable storage medium stores computer-executable instructions, and the computer-executable instructions are used for enabling a computer to execute the state adjustment method.
It will be apparent to those skilled in the art that embodiments of the present application may be provided as a method, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (10)

1. A cosmetic mirror, comprising:
the image collector is used for collecting first image information of a user;
a processor configured to:
determining a head pose of the user and position information of the user relative to the cosmetic mirror from the first image information;
determining whether to send first indication information to the user based on the head posture and the position information, wherein the first indication information is used for indicating the user to adjust the head posture and/or the position;
and the prompter is used for sending the first indication information according to the configuration of the processor.
2. The cosmetic mirror of claim 1,
the processor further configured to:
when the head posture and the position information are determined to meet preset conditions, sending second indication information to the user, wherein the second indication information is used for indicating the user to keep the current state to a preset time threshold;
the prompter is also used for sending out the second indication information according to the configuration of the processor;
the image collector is further used for collecting second image information of the user when the user keeps the current state.
3. The cosmetic mirror of claim 1,
the processor is specifically configured to:
after the first image information is identified to comprise a face image, N2D face key points in the face image are obtained; n is a positive integer;
matching the N2D face key points with a preset 3D face model to determine the head pose; wherein the head pose is represented by the Euler angle.
4. The cosmetic mirror of claim 1, further comprising a display screen disposed on the mirror surface;
the processor is specifically configured to:
after the first image information is identified to comprise a face image, generating a face guide frame;
the display screen is used for displaying the face guide frame; the face guide frame is used for instructing a user to place a facial contour in the face guide frame.
5. The cosmetic mirror of claim 4,
the processor is specifically configured to:
after the first image information is identified to comprise a face image, generating a face guide frame with a first color;
and when the head pose and the position information are determined to meet the preset conditions, generating a face guide frame with a second color.
6. The cosmetic mirror according to any one of claims 1 to 5,
the processor is specifically configured to:
if the Euler angle corresponding to the head posture is determined not to meet the preset angle condition, determining to send the first indication information to the user; the preset angle condition is a face forward cosmetic mirror; and/or
Determining a contour position of a face contour in the cosmetic mirror according to the first image information; if the contour position is determined not to meet the preset position condition, the first indication information is determined to be sent to the user; the preset position condition is that the outline position is positioned between the first face frame and the second face frame; wherein the first face frame is a face frame with a largest recognizable face contour, and the second face frame is a face frame with a smallest recognizable face contour.
7. A cosmetic mirror, comprising:
the image collector is used for collecting first image information of a user;
the display screen is used for displaying;
a processor configured to:
controlling the display screen to display in a first state in response to a first head pose of a user;
and controlling the display screen to display in a second state in response to a second head gesture of the user, wherein the first state is different from the second state.
8. A method of state adjustment, comprising:
determining a head pose of a user and position information of the user relative to a cosmetic mirror according to first image information; the first image information is obtained by collecting the state of the user through an image collector of the cosmetic mirror;
and determining whether to send first indication information to the user or not based on the head posture and the position information, wherein the first indication information is used for indicating the user to adjust the head posture and/or the position.
9. The method of claim 8, wherein the method further comprises:
and when the head posture and the position information are determined to meet the preset conditions, sending second indication information to the user, wherein the second indication information is used for indicating the user to keep the current state to a preset time threshold.
10. A computer device, comprising:
a memory for storing a computer program;
a processor for calling a computer program stored in said memory, for executing the method according to any one of claims 8-9 in accordance with the obtained program.
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