CN111405198A - Method and device for processing human chest body beautification in video and electronic equipment - Google Patents
Method and device for processing human chest body beautification in video and electronic equipment Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
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Abstract
The embodiment of the disclosure provides a method and a device for processing human chest body beautification in video and electronic equipment, belonging to the technical field of image processing, wherein the method comprises the following steps: determining a chest region of a human body in an initial frame picture of a target video, wherein the chest region of the human body comprises a left chest region and a right chest region; acquiring beauty parameters corresponding to the chest area, wherein the beauty parameters at least comprise site parameters and operation parameters; and executing spherical breast augmentation and body beautification operations corresponding to the operation parameters and gradually changing body beautification levels on positions corresponding to the position parameters in the chest area in the continuous frame pictures after the initial frame picture, wherein the body beautification levels of the adjacent frame pictures are different from a unit value. Through the scheme disclosed by the invention, the smoothness and the stability of the human body chest body beautifying processing in the continuous frame pictures in the video are improved, and the authenticity and the continuity of the breast enhancement body beautifying processing effect in the video are improved.
Description
Technical Field
The present disclosure relates to the field of image processing technologies, and in particular, to a method and an apparatus for processing a human breast beauty in a video, and an electronic device.
Background
With the development of image processing technology, the real-time human body beautifying function in video is increasingly popularized, and the requirement of image processing is higher and higher. The existing video processing scheme mainly aims at beautifying treatment such as stretching and slimming of the whole proportion of a human body in a picture, so that the beautified effect is distorted, the beautified type is single, and the targeted treatment on the chest of the human body cannot be effectively carried out, so that the breast-enlarging beautifying effect is achieved.
Therefore, the existing video human body beautifying method has the technical problems of poor beautifying effect and single beautifying type.
Disclosure of Invention
In view of the above, embodiments of the present disclosure provide a method and an apparatus for processing a human chest beauty in a video, and an electronic device, which at least partially solve the problems in the prior art.
In a first aspect, an embodiment of the present disclosure provides a method for processing a human chest body beautification in a video, including:
determining a chest region of a human body in an initial frame picture of a target video, wherein the chest region of the human body comprises a left chest region and a right chest region;
acquiring beauty parameters corresponding to the chest area, wherein the beauty parameters at least comprise site parameters and operation parameters;
and executing spherical breast augmentation and body beautification operations corresponding to the operation parameters and gradually changing body beautification levels on positions corresponding to the position parameters in the chest area in the continuous frame pictures after the initial frame picture, wherein the body beautification levels of the adjacent frame pictures are different from a unit value.
According to a specific implementation manner of the embodiment of the present disclosure, the step of executing, for a position corresponding to a location parameter in a chest region in a consecutive frame picture after the initial frame picture, a spherical breast augmentation and body beautification operation that corresponds to the operation parameter and gradually changes a body beautification level includes:
detecting target key points of a human body in a current frame picture, wherein the target key points are associated with a chest, and the target key points comprise two shoulder key points and/or two hip key points;
acquiring a detection state of a target key point of a human body in the current frame picture, wherein the detection state comprises any one of a stable state and an unstable state;
determining a target body beauty grade of the current frame picture according to the detection state of the target key point of the human body in the current frame picture and the body beauty grade in the last frame picture of the current frame picture;
and executing the spherical breast augmentation and body beautification operation corresponding to the target body beautification grade on the chest area in the current frame picture.
According to a specific implementation manner of the embodiment of the present disclosure, the step of determining the target beauty grade of the current frame picture according to the detection state of the target key point of the human body in the current frame picture and the beauty grade of the previous frame picture of the current frame picture includes:
acquiring the body beauty grade of the last frame of the current frame of picture;
if the detection state of the target key point of the human body in the current frame picture is a stable state, increasing a unit value for the beauty grade of the last frame picture of the current frame picture as the target beauty grade of the current frame picture;
and if the detection state of the target key point of the human body in the current frame picture is an unstable state, reducing the beauty grade of the previous frame picture of the current frame picture by a unit value to be used as the target beauty grade of the current frame picture.
According to a specific implementation manner of the embodiment of the present disclosure, the step of obtaining the detection state of the target key point of the human body in the current frame picture includes:
calculating the confidence coefficient of the target key point of the human body in the current frame picture;
calculating the mean and variance of the confidence degrees according to the confidence degrees of the target key points;
and determining the detection state of the target key point of the human body in the current frame picture according to the mean value and the variance of the confidence coefficient.
According to a specific implementation manner of the embodiment of the present disclosure, the step of determining the detection state of the target key point of the human body in the current frame picture according to the mean and the variance of the confidence degree includes:
if the mean value of the confidence degrees is greater than or equal to a first threshold value and the variance of the confidence degrees is less than or equal to a second threshold value, determining that the detection state of the target key point of the human body in the current frame picture is a stable state;
and if the mean value of the confidence degrees is smaller than the first threshold value, or the variance of the confidence degrees is larger than the second threshold value, determining that the detection state of the target key point of the human body in the current frame picture is an unstable state.
According to a specific implementation manner of the embodiment of the present disclosure, the step of obtaining the detection state of the target key point of the human body in the current frame picture includes:
and if the target key point of the human body in the current frame picture is not detected, determining the detection state of the target key point of the human body in the current frame picture as an unstable state.
According to a specific implementation manner of the embodiment of the present disclosure, the step of obtaining the detection state of the target key point of the human body in the current frame picture includes:
and if the target key points on the two sides of the human body in the current frame picture are detected to be staggered, determining the detection state of the target key points of the human body in the current frame picture as unstable.
According to a specific implementation manner of the embodiment of the present disclosure, the step of executing, for a position corresponding to a location parameter in a chest region in a consecutive frame picture after the initial frame picture, a spherical breast augmentation and body beautification operation that corresponds to the operation parameter and gradually changes a body beautification level further includes:
if receiving a set beauty grade acted on a target control by a user, directly adjusting the target beauty grade of the current frame picture to the set beauty grade;
and executing the spherical breast augmentation and body beautification operation corresponding to the set body beautification grade on the chest area in the current frame picture.
According to a specific implementation manner of the embodiment of the present disclosure, the step of determining the chest region of the human body in the initial frame picture of the target video includes:
acquiring a plurality of reference key points of a human body in the initial frame picture;
selecting, among the plurality of reference key points, a shoulder key point and a hip key point associated with the chest of the human body as the target key point;
and determining the chest area of the human body in the picture according to the target key points.
According to a specific implementation manner of the embodiment of the present disclosure, the step of performing the spherical breast augmentation and body beautification operation corresponding to the target body beautification level on the chest region in the current frame picture includes:
defining the direction of the central connecting line as a first direction, and defining the direction vertical to the central connecting line as a second direction;
spherically expanding the left thoracic region outward in the first and second directions at the left thoracic center point, respectively;
and expanding the right chest area to the outer spherical surface along the first direction and the second direction respectively at the center point of the right chest.
In a second aspect, an embodiment of the present disclosure provides a human chest beauty processing apparatus in a video, including:
the device comprises a determining module, a judging module and a display module, wherein the determining module is used for determining the chest area of a human body in an initial frame picture of a target video, and the chest area of the human body comprises a left chest area and a right chest area;
the acquisition module is used for acquiring beauty parameters corresponding to the chest area, wherein the beauty parameters at least comprise site parameters and operation parameters;
and the processing module is used for executing spherical breast augmentation and body beautification operations which correspond to the operation parameters and gradually change body beautification grades on the positions corresponding to the position parameters in the chest areas in the continuous frame pictures after the initial frame picture, wherein the body beautification grades of the adjacent frame pictures are different from each other by a unit value.
In a third aspect, an embodiment of the present disclosure further provides an electronic device, where the electronic device includes:
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to cause the at least one processor to perform the method of human breast beauty processing in video of the first aspect or any implementation of the first aspect.
In a fourth aspect, the disclosed embodiments also provide a non-transitory computer-readable storage medium storing computer instructions for causing a computer to perform the method for processing human breast beauty in video in the first aspect or any implementation manner of the first aspect.
In a fifth aspect, the disclosed embodiments also provide a computer program product comprising a computer program stored on a non-transitory computer-readable storage medium, the computer program comprising program instructions that, when executed by a computer, cause the computer to perform the method for processing human body breast beauty in video in the first aspect or any implementation manner of the first aspect.
The human chest body beautification processing scheme in the video in the embodiment of the disclosure comprises the following steps: determining a chest region of a human body in an initial frame picture of a target video, wherein the chest region of the human body comprises a left chest region and a right chest region; acquiring beauty parameters corresponding to the chest area, wherein the beauty parameters at least comprise site parameters and operation parameters; and executing spherical breast augmentation and body beautification operations corresponding to the operation parameters and gradually changing body beautification levels on positions corresponding to the position parameters in the chest area in the continuous frame pictures after the initial frame picture, wherein the body beautification levels of the adjacent frame pictures are different from a unit value. Through the scheme disclosed by the invention, the smoothness and the stability of the human body chest body beautifying processing in the continuous frame pictures in the video are improved, and the authenticity and the continuity of the breast enhancement body beautifying processing effect in the video are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings needed to be used in the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flowchart of a method for processing a human chest body beautification in a video according to an embodiment of the present disclosure;
fig. 2 and fig. 3 are schematic diagrams of a human body in a picture according to a method for processing a chest beauty of a human body in a video according to an embodiment of the disclosure;
fig. 4 is a partial flowchart of another method for processing a human chest body beautification in a video according to an embodiment of the present disclosure;
fig. 5 is a partial flowchart of another method for processing a human chest body beautification in a video according to an embodiment of the present disclosure;
fig. 6 is a partial flowchart of another method for processing a human chest body beautification in a video according to an embodiment of the present disclosure;
fig. 7 is a schematic structural diagram of a human chest beauty processing device in a video according to an embodiment of the present disclosure;
fig. 8 is a schematic view of an electronic device provided in an embodiment of the present disclosure.
Detailed Description
The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure in the specification. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be embodied or carried out in various other specific embodiments, and various modifications and changes may be made in the details within the description without departing from the spirit of the disclosure. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
It is noted that various aspects of the embodiments are described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the disclosure, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. Additionally, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present disclosure, and the drawings only show the components related to the present disclosure rather than the number, shape and size of the components in actual implementation, and the type, amount and ratio of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.
In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.
The embodiment of the disclosure provides a method for processing human chest body beautification in video. The method for beautifying the human chest in the video provided by the embodiment can be executed by a computing device, the computing device can be implemented as software, or implemented as a combination of software and hardware, and the computing device can be integrally arranged in a server, a terminal device and the like.
Referring to fig. 1, a method for processing a human chest body beautification in a video provided by an embodiment of the present disclosure includes:
s101, determining a chest region of a human body in an initial frame picture of a target video, wherein the chest region of the human body comprises a left chest region and a right chest region;
the method provided by the embodiment is mainly applied to the beautifying process of the human chest in the video in the terminal beautifying application program. As shown in fig. 2, a small part of the human body's chest area exhibits some degree of deflation due to congenital or acquired factors, whereas the conventional aesthetic perception, such as breast enlargement as shown in fig. 3, makes the breast full and is a beauty requirement of the chest. Therefore, the scheme provided by the embodiment mainly performs targeted beautifying processing such as breast enlargement on the chest area of the human body in the picture so as to achieve the effect of breast beautifying.
In specific implementation, a region corresponding to the chest of a human body is selected from an initial frame picture of a video, and the selected region is defined as a chest region. The chest area comprises a left chest area and a right chest area which are symmetrical, and the frame selection area in fig. 2 and fig. 3 is the chest area of the human body. The initial frame of the video may be the first frame of the video, or the first frame when the chest beautifying processing flow is entered when the video is played.
When the initial frame picture is processed, the terminal identifies pixel points corresponding to the human body in the initial frame picture according to an algorithm, and determines key points of main parts, such as a hip key point and a human face key point. Hip key points, etc., to determine the chest region of the human body in the initial frame picture.
S102, obtaining body beautification parameters corresponding to the chest area, wherein the body beautification parameters at least comprise a site parameter and an operation parameter;
after the chest region of the human body in the initial frame picture is determined according to the above steps, feature analysis can be performed on the pixel points in the determined chest region to determine parameters related to subsequent chest beauty treatment, such as site parameters corresponding to the operation site to be treated, operation parameters corresponding to the operation direction and the operation type to be treated, and such parameters are defined as beauty parameters.
S103, executing spherical breast augmentation and body beautification operations corresponding to the operation parameters and gradually changing body beautification levels on positions corresponding to the position parameters in the chest area in the continuous frame pictures after the initial frame picture, wherein the body beautification levels of the adjacent frame pictures are different from each other by a unit value.
The process of performing the chest body beautification treatment on the chest area comprises the following steps: determining the position corresponding to the position parameter of the chest region, and executing the body shaping operation corresponding to the operation parameter at the position, wherein the process comprises executing the spherical breast enlarging and body shaping operation on the left chest region and the spherical breast enlarging and body shaping operation on the right chest region, so that the chest region can achieve the breast enlarging and body shaping effects shown in fig. 2 to 3.
In order to ensure the continuity and the gradual change of the body beautifying treatment on the human chest in the video, a plurality of continuous frames of pictures are arranged behind an initial frame of picture of the video, and spherical body plumping and beautifying operations with gradually changed body beautifying grades are sequentially carried out on each frame of picture.
According to the method for processing the human body chest body beautification in the video, provided by the embodiment of the invention, the spherical breast enlarging and body beautification operation with gradually changed body beautification grades is executed aiming at the chest areas in the continuous frame pictures in the video, so that the sudden change situation is avoided, and the human body chest body beautification processing effect in the video is optimized.
According to a specific implementation manner of the embodiment of the present disclosure, as shown in fig. 4, the step of performing, for a position corresponding to a location parameter in a chest region in a consecutive frame picture after the initial frame picture, a spherical breast augmentation and body beautification operation that corresponds to the operation parameter and gradually changes a body beautification level may include:
s401, detecting target key points of a human body in a current frame picture, wherein the target key points are associated with a chest, and the target key points comprise two shoulder key points and/or two hip key points;
the feature points with the large relevance in the chest region include shoulder key points and/or hip key points, two shoulder key points and/or two hip key points of the human body in the picture are defined as target key points, and in the embodiment, the stability of the human body in the picture of the video is inferred according to the detection state of the target key points relevant to the chest, so that the stability serves as a basis for determining the beauty grade. Firstly, each frame of picture in continuous frame pictures after an initial frame is processed, and a target key point of a human body in the current frame picture is detected.
S402, obtaining a detection state of a target key point of a human body in the current frame picture, wherein the detection state comprises any one of a stable state and an unstable state;
when the target key point of the human body in the current frame picture is detected according to the steps, the detection state of the target key point of the human body in the current frame picture can be further obtained, namely whether the target key point in the current frame picture is stable relative to the target key point in the previous array picture is judged.
S403, determining a target body beauty grade of the current frame picture according to the detection state of the target key point of the human body in the current frame picture and the body beauty grade in the previous frame picture of the current frame picture;
optionally, as shown in fig. 5, the step of determining the target beauty grade of the current frame picture according to the detection state of the target key point of the human body in the current frame picture and the beauty grade of the previous frame picture of the current frame picture may include:
s501, obtaining the body beauty grade of the previous frame of the current frame of picture;
in order to ensure the smooth degree of change between adjacent frame pictures, the difference unit value of the body beauty grades of the adjacent frame pictures is set, and when the body beauty grade of the current frame picture is determined, the body beauty grade of the previous frame picture of the current frame picture is obtained firstly. If the previous frame picture of the current frame picture is the initial frame of the video, the beauty grade of the previous frame picture can be directly defined as 0.
S502, if the detection state of the target key point of the human body in the current frame picture is a stable state, increasing a unit value for the beauty grade of the last frame picture of the current frame picture as the target beauty grade of the current frame picture;
and S503, if the detection state of the target key point of the human body in the current frame picture is an unstable state, reducing the beauty grade of the previous frame picture of the current frame picture by a unit value to be used as the target beauty grade of the current frame picture.
And if the detection state of the target key point of the human body in the current frame picture is obtained according to the steps, determining the beauty grade of the current frame picture by combining the beauty grade of the previous frame picture, and defining the beauty grade as the target beauty grade. For example, if the detection state of the target key point of the human body in the current frame picture is a stable state, the beauty level is gradually enhanced, that is, the beauty level of the previous frame picture is increased by a unit value to serve as the target beauty level of the current frame picture, and the corresponding beauty effect is slightly enhanced relative to the beauty effect of the previous frame picture. On the contrary, if the detection state of the target key point of the human body in the current frame picture is an unstable state, the beauty degree is gradually weakened, that is, the beauty grade of the previous frame picture is reduced by a unit value to be used as the target beauty grade of the current frame picture, and the corresponding beauty effect is slightly weakened relative to the beauty effect of the previous frame picture.
S404, performing spherical breast augmentation and body beautification operation corresponding to the target body beautification grade on the chest area in the current frame picture.
After the target body shaping grade of the current frame picture is determined according to the steps, the chest body shaping operation corresponding to the target body shaping grade, namely the spherical breast enlarging operation, can be executed aiming at the chest area in the current frame picture. Since the target beauty level of the current frame picture and the beauty level of the previous frame picture are increased or decreased by a unit value, the effect of the corresponding chest beauty treatment is slightly enhanced or weakened, so that the beauty effect is more real and gentle.
The detection state of the target keypoint in each current frame picture can be determined in various ways, for example, according to confidence, detection result, and the like. The following will specifically describe the embodiments.
According to a specific implementation manner of the embodiment of the present disclosure, the step of obtaining a detection state of a target key point of a human body in the current frame picture may include:
firstly, calculating the confidence coefficient of a target key point of a human body in the current frame picture;
the detection state of the target key point is acquired by the confidence degree of the target key point of the human body. In particular, confidence is also referred to as reliability, or confidence level, confidence coefficient, i.e. when a sample estimates an overall parameter, its conclusion is always uncertain due to the randomness of the sample. Therefore, a probabilistic statement method, i.e. interval estimation in mathematical statistics, is used, i.e. how large the corresponding probability of the estimated value and the overall parameter are within a certain allowable error range, and this corresponding probability is called confidence.
Secondly, calculating the mean and the variance of the confidence degrees according to the confidence degrees of the target key points;
after the confidence coefficient of the target key point is calculated according to the steps, the mean value and the variance of the confidence coefficient are calculated according to the steps and used as the judgment basis of the subsequent detection state.
And finally, determining the detection state of the target key point of the human body in the current frame picture according to the mean value and the variance of the confidence coefficient.
Specifically, the step of determining the detection state of the target key point of the human body in the current frame picture according to the mean and the variance of the confidence degrees includes:
if the mean value of the confidence degrees is greater than or equal to a first threshold value and the variance of the confidence degrees is less than or equal to a second threshold value, determining that the detection state of the target key point of the human body in the current frame picture is a stable state;
and if the mean value of the confidence degrees is smaller than the first threshold value, or the variance of the confidence degrees is larger than the second threshold value, determining that the detection state of the target key point of the human body in the current frame picture is an unstable state.
The larger the variance of the confidence coefficient is, the smaller the mean of the confidence coefficient is, the more unstable the target key point is, and the detection state of the target key point is an unstable state. Conversely, the smaller the variance of the confidence coefficient, the larger the mean of the confidence coefficient, the more stable the target key point, and the detection state of the target key point is the stable state.
In addition, according to another specific implementation manner of the embodiment of the present disclosure, the step of obtaining the detection state of the target key point of the human body in the current frame picture may include:
and if the target key point of the human body in the current frame picture is not detected, determining the detection state of the target key point of the human body in the current frame picture as an unstable state.
After the breast beautifying effect is started by the video application, the beautifying grade of the spherical breast enlarging effect slowly reaches the final degree from 0, if the target key point cannot be detected suddenly in the process, the effect slowly reaches 0 from the current degree, at this time, the deformed area stops at the original position, if the target key point is detected suddenly in the process of reducing the degree and the two detected target key points are stable, the effect slowly reaches the final effect from the current value, but the deformed area changes immediately, and if the deformed area also moves slowly, the user can see the effect very suddenly. When the target key point cannot be detected, the effect of the breast enhancement effect begins to disappear until the target key point can be detected.
According to another specific implementation manner of the embodiment of the present disclosure, the step of obtaining the detection state of the target key point of the human body in the current frame picture includes:
and if the target key points on the two sides of the human body in the current frame picture are detected to be staggered, determining the detection state of the target key points of the human body in the current frame picture as an unstable state.
For the sporadic interchange phenomenon of the left side and the right side in the video, namely interchange of the left shoulder key point or the hip key point and the right shoulder key point or the hip key point, the interchange condition of the left target key point and the right target key point needs to be processed independently, a flag bit of whether the target key points are interchanged or not is output, the mean value and the variance of the flag bit are counted, whether the key points are stable or not is judged according to the mean value and the variance, and if the key points are not stable, the effect of setting the breast enhancement starts to disappear.
According to another specific implementation manner of the embodiment of the present disclosure, the step of performing, for a position corresponding to a location parameter in a chest region in a consecutive frame picture after the initial frame picture, a spherical breast augmentation and body beautification operation that corresponds to the operation parameter and gradually changes a body beautification level further includes:
if receiving a set beauty grade acted on a target control by a user, directly adjusting the target beauty grade of the current frame picture to the set beauty grade;
and executing the spherical breast augmentation and body beautification operation corresponding to the set body beautification grade on the chest area in the current frame picture.
The chest beautification effect of the above embodiments is always gradually changed, so that the user cannot perceive that the algorithm is deformed, the video looks less obtrusive unless the user manually adjusts the slide bar, at which time the user expects to see the effect immediately, and at which time the degree of hip plumping or lean is immediately shown.
In the following, the process of determining the chest region of the human body and the chest beautification process in each picture frame in the video will be further defined.
According to a specific implementation manner of the embodiment of the present disclosure, the step of determining the chest region of the human body in the initial frame picture of the video includes:
acquiring a plurality of reference key points of a human body in the initial frame picture;
selecting, among the plurality of reference key points, a shoulder key point and a hip key point associated with the chest of the human body as the target key point;
and determining the chest area of the human body in the picture according to the target key points.
The present embodiment further defines the chest region of the human body in the picture. Specifically, feature point analysis is performed on the picture to obtain a plurality of reference key points in the picture, for example, corresponding face key points, head key points, hip key points, limb key points, and the like in the picture.
After analyzing and obtaining a plurality of reference key points of the human body in the picture according to the steps, key points related to the chest beauty, such as shoulder key points and hip key points, can be selected from the reference key points.
After the shoulder key points and the hip key points of the human body in the picture are determined, the chest area of the human body can be drawn.
Specifically, the step of determining the chest region of the human body in the picture according to the shoulder key points and the hip key points may include:
firstly, determining a left chest central point and a right chest central point of a chest area of the human body according to the shoulder key points and the hip key points;
the chest of the human body comprises two symmetrical parts, each symmetrical part is provided with a central point, when the chest region of the target picture is determined, the central point of the chest region is determined firstly, the central point of the left chest region is defined as a left chest central point, and the central point of the right chest region is defined as a right chest central point. During specific feature analysis, two symmetrical shoulder key points and two symmetrical hip key points which are positioned at the upper side and the lower side of the chest of the human body can be obtained, and the central point of the chest area can be deduced according to the shoulder key points and the hip key points.
Further, the step of determining a left chest center point and a right chest center point of the chest region of the human body according to the shoulder key points and the hip key points may include:
identifying shoulder key points and hip key points on the left side of the human body in the target picture, and shoulder key points and hip key points on the right side;
multiplying the shoulder key point on the left side of the human body in the target picture by a first coefficient, and multiplying the hip key point on the left side by a second coefficient to obtain a left chest center point of the human body;
and multiplying the shoulder key point on the right side of the human body in the target picture by a first coefficient, and multiplying the hip key point on the right side by a second coefficient to obtain the right chest central point of the human body.
Optionally, the first coefficient is 0.7, and the second coefficient is 0.3.
In this embodiment, the position of the center point of the chest region is obtained by adding 0.7 shoulder key point to 0.3 hip key point according to the shoulder key point and the hip key point of the human body key points. And the central point obtained by the shoulder key point and the hip key point on the left side is taken as a left chest central point, and the central point obtained by the shoulder key point and the hip key point on the right side is taken as a right chest central point.
Secondly, determining the width and the height of the chest area according to the distance between the shoulder key point and the hip key point;
considering that the distance between the shoulder key point and the hip key point influences the size of the chest region of the human body and the distance between the human body and the screen in the target picture influences the size of the chest region of the human body, before the chest region of the human body is determined, the width and the height of the chest region are determined
Optionally, the step of determining the width and height of the chest region according to the distance between the shoulder key point and the hip key point includes:
determining a first middle point of a connecting line of two shoulder key points of a human body in the target picture and a second middle point of a connecting line of two hip key points;
determining a reference middle line between a first midpoint and the second midpoint in the target picture;
measuring the dimensions of the reference centerline;
multiplying the size of the reference midline by a lateral scaling factor to obtain the width of the thoracic region, and multiplying the size of the reference midline by a longitudinal scaling factor to obtain the height of the thoracic region.
And finally, determining the left chest area and the right chest area of the human body in the target picture according to the left chest central point and the right chest central point of the chest area and the width and the height of the chest area.
After the left and right thoracic center points and the associated height and width of the chest region are determined according to the above steps, the left and right thoracic regions of the human body in the target picture can be drawn.
Further, the step of determining the left chest region and the right chest region of the human body in the target picture according to the left chest center point and the right chest center point of the chest region, and the width and the height of the chest region may include:
firstly, determining a central connecting line of the left chest central point and the right chest central point of the human body;
when the chest region is determined, the previously determined left chest center point and right chest center point are connected to obtain a center connecting line, the center connecting line is theoretically flush with the shoulders of the human body, and can be used as the horizontal direction of the human body, and the vertical direction perpendicular to the horizontal direction is the region from the legs of the human body to the head.
Then, drawing a rectangular frame as the chest area of the human body in the target picture according to the width and the height of the chest area by taking the central connecting line as a reference;
and drawing rectangular frames placed along the horizontal direction and the vertical direction of the human body by taking the central connecting line determined in the step as a reference and combining the determined width and height of the chest area, and sequentially taking the rectangular frames as the whole chest area of the human body in the target picture. This chest region is located between the shoulder and hip key points of the human body and is located close to the shoulder region.
And finally, dividing the chest area into a left chest area and a right chest area, wherein the center of the left chest area is the left chest central point, and the center of the right chest area is the right chest central point.
After the whole chest area is drawn, the chest area is divided into a left chest area and a right chest area along the vertical direction from the middle, then, the area containing the center point of the left chest is the left chest area, the center of the left chest area is the center point of the left chest, correspondingly, the area containing the center point of the right chest is the right chest area, and the center point of the right chest area is the center point of the right chest.
In addition, on the basis of the foregoing embodiment, as shown in fig. 6, the step of performing a spherical breast augmentation and body beautification operation corresponding to the target body beautification level on the chest region in the current frame picture may include:
s601, defining the direction of the central connecting line as a first direction, and defining the direction vertical to the central connecting line as a second direction;
when the chest beautifying operation is carried out on the chest area of the human body in the target picture, the direction of a central connecting line is defined as a first direction, the first direction is the horizontal direction, and the direction perpendicular to the central connecting line is defined as a second direction, and the two directions are the vertical directions.
S602, the left chest area is expanded outwards in a spherical manner along the first direction and the second direction at the center point of the left chest;
when the breast enhancement and body beautification operation is carried out, the left breast area and the right breast area are respectively treated. On the one hand, when the body beautifying operation is carried out on the left chest region, the left chest region is expanded outwards in a spherical surface mode along the first direction and the second direction, the center of the horizontal direction expands outwards, meanwhile, the center of the vertical direction expands outwards, and finally the obtained effect is the spherical expansion, so that the purpose of breast enhancement is achieved.
S603, expanding the right chest area to the outer spherical surface along the first direction and the second direction respectively at the right chest central point.
Correspondingly, when the right chest area is processed, the right chest central point respectively expands the right chest area outwards along the first direction and the second direction, the deformation effect is that the right chest area expands from the center to the outer spherical surface in the horizontal direction, and simultaneously expands from the center to the outer football fans in the vertical direction, and the finally obtained effect is that the right chest area expands to achieve the purpose of breast enhancement.
In another specific embodiment, before the step of obtaining the beauty parameters corresponding to the chest region, the method further includes:
determining that the human body in the initial frame picture is a front station, a back station or a side station;
the step of obtaining the beauty parameters corresponding to the chest area comprises the following steps:
if the human body in the initial frame picture is a front standing position, obtaining body beautifying parameters corresponding to a left chest area and a right chest area of the human body;
if the human body in the initial frame picture is at the back standing position, the chest region of the human body in the initial frame picture is not obtained to execute chest body beautification operation;
and if the human body in the initial frame picture is a side station position, acquiring left chest beauty parameters corresponding to a left chest region and right chest beauty parameters corresponding to a right chest region of the human body.
Further, if the human body in the initial frame picture is a side station, the step of obtaining the left chest beauty parameters corresponding to the left chest area and the right chest beauty parameters corresponding to the right chest area of the human body includes:
if the body in the initial frame picture is a side station position, analyzing the approach side as a left chest region or a right chest region;
if the close side is a left chest region, increasing left chest beauty parameters corresponding to the left chest region, and decreasing right chest beauty parameters corresponding to the right chest region;
and if the approaching side is a right chest region, increasing the right chest body shaping parameters corresponding to the right chest region, and decreasing the left chest body shaping parameters corresponding to the left chest region.
In the present embodiment, the influence of different station positions on the display of the chest region is taken into consideration, and a corresponding processing scheme is added. Under the side body condition, because one side of the chest area is shielded, the breast enlarging effect cannot be achieved, the side body degree needs to be calculated, and the side body degree is the same as that of the previous method.
The method for acquiring the human body station position in the initial frame picture may include:
firstly, acquiring the sum of a first length and a second length of a human body in the initial frame picture, wherein the first length is the length of a connecting line of two shoulder key points, and the second length is the length of a connecting line of two hip key points;
secondly, calculating the ratio of the sum of the first length and the second length to the size of the reference middle line;
finally, if the ratio is larger than or equal to a preset threshold value, the human body is a front standing position;
and if the ratio is smaller than a preset threshold value, the human body is a side standing position.
When the human body station positions in the initial frame picture are different, the relative size proportion values are different, and specifically, the key point connecting line sum is calculated firstly. After the shoulder key points and the hip key points are determined through feature point analysis, a connecting line between the two shoulder key points is determined, the length of the connecting line is defined as a first length, meanwhile, the connecting line between the two hip key points is determined, and the length of the connecting line is defined as a second length. And adding the two to obtain the sum of the first length and the second length of the human body in the initial frame picture.
The sum of the first length and the second length is divided by the dimension of the reference median line between the shoulder and hip key points to obtain a ratio.
The first length of the shoulder key point line and the second length of the hip key point line are both larger when the front side is in a side view, the first length of the shoulder key point line and the second length of the hip key point line are smaller when the front side is in a side view, and the size of the reference center line is relatively basically unchanged in the two cases. It can be concluded that this ratio will be smaller in the case of sideways movement and larger in the case of frontal movement, and this ratio can be used to estimate the degree of sideways movement.
And taking the value of the critical condition as a preset threshold, and if the obtained ratio is greater than or equal to the preset threshold, determining that the human body in the initial frame picture is a front station.
Correspondingly, if the obtained ratio is smaller than the preset threshold, it can be determined that the human body in the initial frame picture is a side station.
After the side body degree is known, the split area of the chest is divided again, the area of the blocked part of the chest is smaller and smaller, the area of the unblocked part of the chest is larger in the month, and under the positive condition, the two chest areas are the same. In the dorsal case, the breast enhancement effect likewise disappears.
Corresponding to the above method embodiment, referring to fig. 7, an embodiment of the present disclosure further provides a human chest beauty processing apparatus 70 in a video, including:
a determining module 701, configured to determine a chest region of a human body in an initial frame picture of a target video, where the chest region of the human body includes a left chest region and a right chest region;
an obtaining module 702, configured to obtain beauty parameters corresponding to the chest region, where the beauty parameters at least include a site parameter and an operation parameter;
a processing module 703, configured to execute, for a position corresponding to the location parameter in the chest region in the consecutive frame picture after the initial frame picture, a spherical breast augmentation and body beautification operation that corresponds to the operation parameter and gradually changes the body beautification level, where the body beautification levels of adjacent frame pictures are different by a unit value.
The apparatus shown in fig. 7 may correspondingly execute the content in the above method embodiment, and details of the part not described in detail in this embodiment refer to the content described in the above method embodiment, which is not described again here.
Referring to fig. 8, an embodiment of the present disclosure also provides an electronic device 80, which includes:
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method for beautifying the human breast in video in the above method embodiments.
The disclosed embodiments also provide a non-transitory computer-readable storage medium storing computer instructions for causing the computer to execute the method for processing the human chest beauty in the video in the foregoing method embodiments.
The disclosed embodiments also provide a computer program product comprising a computer program stored on a non-transitory computer-readable storage medium, the computer program comprising program instructions that, when executed by a computer, cause the computer to perform the method for processing human breast beauty in video in the aforementioned method embodiments.
Referring now to FIG. 8, a block diagram of an electronic device 80 suitable for use in implementing embodiments of the present disclosure is shown. The electronic devices in the embodiments of the present disclosure may include, but are not limited to, mobile terminals such as mobile phones, notebook computers, digital broadcast receivers, PDAs (personal digital assistants), PADs (tablet computers), PMPs (portable multimedia players), in-vehicle terminals (e.g., car navigation terminals), and the like, and fixed terminals such as digital TVs, desktop computers, and the like. The electronic device shown in fig. 8 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present disclosure.
As shown in fig. 8, the electronic device 80 may include a processing means (e.g., a central processing unit, a graphics processor, etc.) 801 that may perform various appropriate actions and processes in accordance with a program stored in a Read Only Memory (ROM)802 or a program loaded from a storage means 808 into a Random Access Memory (RAM) 803. In the RAM 803, various programs and data necessary for the operation of the electronic apparatus 80 are also stored. The processing apparatus 801, the ROM 802, and the RAM 803 are connected to each other by a bus 804. An input/output (I/O) interface 805 is also connected to bus 804.
In general, input devices 806 including, for example, a touch screen, touch pad, keyboard, mouse, image sensor, microphone, accelerometer, gyroscope, etc., output devices 807 including, for example, a liquid crystal display (L CD), speaker, vibrator, etc., storage devices 808 including, for example, magnetic tape, hard disk, etc., and communication devices 809 may allow electronic device 80 to communicate data with other devices wirelessly or wiredly although electronic device 80 is shown with various devices, it is understood that not all of the illustrated devices are required to be implemented or provided, more or fewer devices may be alternatively implemented or provided.
In particular, according to an embodiment of the present disclosure, the processes described above with reference to the flowcharts may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method illustrated in the flow chart. In such an embodiment, the computer program may be downloaded and installed from a network through the communication means 809, or installed from the storage means 808, or installed from the ROM 802. The computer program, when executed by the processing apparatus 801, performs the above-described functions defined in the methods of the embodiments of the present disclosure.
It should be noted that the computer readable medium in the present disclosure can be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present disclosure, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In contrast, in the present disclosure, a computer readable signal medium may comprise a propagated data signal with computer readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: electrical wires, optical cables, RF (radio frequency), etc., or any suitable combination of the foregoing.
The computer readable medium may be embodied in the electronic device; or may exist separately without being assembled into the electronic device.
The computer readable medium carries one or more programs which, when executed by the electronic device, enable the electronic device to implement the schemes provided by the method embodiments.
Alternatively, the computer readable medium carries one or more programs, which when executed by the electronic device, enable the electronic device to implement the schemes provided by the method embodiments.
Computer program code for carrying out operations of the present disclosure may be written in any combination of one or more programming languages, including AN object oriented programming language such as Java, Smalltalk, C + +, and conventional procedural programming languages, such as the "C" programming language or similar programming languages.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units described in the embodiments of the present disclosure may be implemented by software or hardware. Where the name of a unit does not constitute an element under certain circumstances, it should be understood that portions of the present disclosure may be implemented in hardware, software, firmware, or a combination thereof.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present disclosure should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (13)
1. A method for processing human chest body beautification in a video is characterized by comprising the following steps:
determining a chest region of a human body in an initial frame picture of a target video, wherein the chest region of the human body comprises a left chest region and a right chest region;
acquiring beauty parameters corresponding to the chest area, wherein the beauty parameters at least comprise site parameters and operation parameters;
and executing spherical breast augmentation and body beautification operations corresponding to the operation parameters and gradually changing body beautification levels on positions corresponding to the position parameters in the chest area in the continuous frame pictures after the initial frame picture, wherein the body beautification levels of the adjacent frame pictures are different from a unit value.
2. The method of claim 1, wherein the step of performing the spherical breast augmentation and body beautification operation with gradually changing body beautification levels corresponding to the operation parameters at the position corresponding to the position parameter in the chest region in the consecutive frame pictures after the initial frame picture comprises:
detecting target key points of a human body in a current frame picture, wherein the target key points are associated with a chest, and the target key points comprise two shoulder key points and/or two hip key points;
acquiring a detection state of a target key point of a human body in the current frame picture, wherein the detection state comprises any one of a stable state and an unstable state;
determining a target body beauty grade of the current frame picture according to the detection state of the target key point of the human body in the current frame picture and the body beauty grade in the last frame picture of the current frame picture;
and executing the spherical breast augmentation and body beautification operation corresponding to the target body beautification grade on the chest area in the current frame picture.
3. The method according to claim 2, wherein the step of determining the target beauty level of the current frame picture according to the detection status of the target key point of the human body in the current frame picture and the beauty level of the previous frame picture of the current frame picture comprises:
acquiring the body beauty grade of the last frame of the current frame of picture;
if the detection state of the target key point of the human body in the current frame picture is a stable state, increasing a unit value for the beauty grade of the last frame picture of the current frame picture as the target beauty grade of the current frame picture;
and if the detection state of the target key point of the human body in the current frame picture is an unstable state, reducing the beauty grade of the previous frame picture of the current frame picture by a unit value to be used as the target beauty grade of the current frame picture.
4. The method according to claim 3, wherein the step of obtaining the detection status of the target key point of the human body in the current frame picture comprises:
calculating the confidence coefficient of the target key point of the human body in the current frame picture;
calculating the mean and variance of the confidence degrees according to the confidence degrees of the target key points;
and determining the detection state of the target key point of the human body in the current frame picture according to the mean value and the variance of the confidence coefficient.
5. The method according to claim 4, wherein the step of determining the detection state of the target keypoint of the human body in the current frame picture according to the mean and the variance of the confidence coefficient comprises:
if the mean value of the confidence degrees is greater than or equal to a first threshold value and the variance of the confidence degrees is less than or equal to a second threshold value, determining that the detection state of the target key point of the human body in the current frame picture is a stable state;
and if the mean value of the confidence degrees is smaller than the first threshold value, or the variance of the confidence degrees is larger than the second threshold value, determining that the detection state of the target key point of the human body in the current frame picture is an unstable state.
6. The method according to claim 3, wherein the step of obtaining the detection status of the target key point of the human body in the current frame picture comprises:
and if the target key point of the human body in the current frame picture is not detected, determining the detection state of the target key point of the human body in the current frame picture as an unstable state.
7. The method according to claim 3, wherein the step of obtaining the detection status of the target key point of the human body in the current frame picture comprises:
and if the target key points on the two sides of the human body in the current frame picture are detected to be staggered, determining the detection state of the target key points of the human body in the current frame picture as unstable.
8. The method of claim 1, wherein the step of performing the spherical breast augmentation and body beautification operation with gradually changing body beautification levels corresponding to the operation parameters for the position corresponding to the location parameter in the chest region in the consecutive frame pictures after the initial frame picture further comprises:
if receiving a set beauty grade acted on a target control by a user, directly adjusting the target beauty grade of the current frame picture to the set beauty grade;
and executing the spherical breast augmentation and body beautification operation corresponding to the set body beautification grade on the chest area in the current frame picture.
9. The method of claim 2, wherein the step of determining the chest region of the human body in the initial frame picture of the target video comprises:
acquiring a plurality of reference key points of a human body in the initial frame picture;
selecting, among the plurality of reference key points, a shoulder key point and a hip key point associated with the chest of the human body as the target key point;
and determining the chest area of the human body in the picture according to the target key points.
10. The method of claim 9, wherein the step of performing the spherical breast augmentation and body beautification operation corresponding to the target body beautification level on the chest region in the current frame picture comprises:
defining the direction of the central connecting line as a first direction, and defining the direction vertical to the central connecting line as a second direction;
spherically expanding the left thoracic region outward in the first and second directions at the left thoracic center point, respectively;
and expanding the right chest area to the outer spherical surface along the first direction and the second direction respectively at the center point of the right chest.
11. A human chest beauty processing device in video, comprising:
the device comprises a determining module, a judging module and a display module, wherein the determining module is used for determining the chest area of a human body in an initial frame picture of a target video, and the chest area of the human body comprises a left chest area and a right chest area;
the acquisition module is used for acquiring beauty parameters corresponding to the chest area, wherein the beauty parameters at least comprise site parameters and operation parameters;
and the processing module is used for executing spherical breast augmentation and body beautification operations which correspond to the operation parameters and gradually change body beautification grades on the positions corresponding to the position parameters in the chest areas in the continuous frame pictures after the initial frame picture, wherein the body beautification grades of the adjacent frame pictures are different from each other by a unit value.
12. An electronic device, characterized in that the electronic device comprises:
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of human breast beauty processing in video of any of the preceding claims 1-10.
13. A non-transitory computer-readable storage medium storing computer instructions for causing a computer to perform the method of human breast beauty processing in video of any one of the preceding claims 1-10.
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