CN109615433B - User satisfaction modeling and display space adjusting method fusing fairness, experience feeling and price - Google Patents

User satisfaction modeling and display space adjusting method fusing fairness, experience feeling and price Download PDF

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CN109615433B
CN109615433B CN201811538692.XA CN201811538692A CN109615433B CN 109615433 B CN109615433 B CN 109615433B CN 201811538692 A CN201811538692 A CN 201811538692A CN 109615433 B CN109615433 B CN 109615433B
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段玉聪
湛楼高
宋正阳
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Hainan University
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Abstract

The application relates to a user satisfaction modeling and display space adjusting method fusing fairness, experience and price, and belongs to the cross field of service calculation and software engineering. The method is characterized in that fairness, experience and price are used for measuring the satisfaction degree of the user, and the maximum satisfaction degree of all the users is achieved by adjusting the spatial position, the angle and the shape of the display space and the price to be paid by the user.

Description

User satisfaction modeling and display space adjusting method fusing fairness, experience feeling and price
Technical Field
The invention discloses a user satisfaction modeling and display space adjusting method fusing fairness, experience and price, and belongs to the cross field of service calculation and software engineering.
Technical Field
In daily life, people often relax themselves by watching a movie, however, due to reasons of time and the like, a position with a good movie watching effect is often purchased, and a user can only sit at a position with a relatively poor movie watching effect to watch a movie under the condition of paying the same price, so that the user experience is relatively poor. At the present stage, a large number of viewing screens are fixed and cannot change shapes, most of projection contents such as movies and the like are often long in length, users cannot change postures for a long time to view the movies, health problems such as stiff necks and the like are often caused, and the experience of the users is also reduced. It is therefore necessary how to design an algorithm such that a presentation space, such as a viewing screen, etc., makes the user feel relatively fair and satisfactory by changing the spatial position, angle, shape, and amount paid by the user.
Disclosure of Invention
The technical problem is as follows: the invention relates to a user satisfaction modeling and display space adjusting method integrating fairness, experience and price, and the problems that how to change the user payment amount and how to adjust the position, angle and shape of a display space in user satisfaction modeling are difficult, and how to change the user payment amount and the display space in a coordinated manner without causing conflicts are also required to be solved.
The technical scheme is as follows: the invention relates to a user satisfaction modeling and display space adjusting method integrating fairness, experience and price.
The system structure is as follows: the invention relates to a user satisfaction modeling and display space adjusting method fusing fairness, experience and price. The invention defines fairness as just and not bias. The definition of user experience is defined as "a person's perception and reaction to the use or intended use of a product, system or service" using international standards for ergonomics of human system interaction. By its definition, the user experience includes all the user's emotions, beliefs, preferences, perceptions, physical and psychological reactions, behaviors and achievements that occur before, during and after use, all of which are purely subjective factors. User satisfaction is defined as how well a user's desired value matches the user's experience.
Has the advantages that:
the invention provides a user satisfaction modeling and display space adjusting method fusing fairness, experience and price, which has the following advantages:
1) the invention can make the comprehensive satisfaction degree of the group users reach the maximum by modeling the user satisfaction degree of the fairness, the experience feeling and the price;
2) the price of the invention fluctuates and adjusts with time and user experience, which accords with the internal expectation of the user;
3) the invention can effectively relieve the situations of stiff neck, eye fatigue and the like caused by long-time film watching of the user by adjusting the spatial position, the angle and the shape of the display space through the time period.
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Fig. 1 is a specific flowchart of a user satisfaction modeling and display space adjusting method that merges fairness, experience, and price.
Detailed Description
The invention relates to a user satisfaction modeling and display space adjusting method fusing fairness, experience and price, which comprises the following specific implementation steps:
step one), as shown in 001 in fig. 1, identifying the relative position of each user by showing the photographing function or the function capable of identifying the relative position of the user carried by the system, and marking;
step two), as shown in 002 in fig. 1, setting a variation function of the user payment price according to the user fairness, and calculating the formula as follows:
Cost_Fai=f1(γ. Fai), wherein f1() Is a constant function associated with Fai; assuming that physical factors influencing user experience comprise the shortest distance between the eyes of a user and a display space and the plane included angle between the sight of the user and the display space when the user looks at a film, modeling is carried out on the fairness of the user, and the modeling is as follows:
the face plane of the user is identified through the functions of photographing or other identifiable images of the display system, the abstract areas of the faces of the users are assumed to be not much different, namely the areas are assumed to be basically equal, the cosine value of the face inclination angle α is obtained through the comparison between the face area identified through the functions of photographing and the like and the original area, the face plane of the user is determined according to the value α, then a line which is perpendicular to the plane and passes through the center position of the plane is taken as the sight line of the user for observing the display system, the plane included angle theta between the sight line of the user and the display space is calculated, the length s from the user to the display space is calculated according to the identified shorter side of the face of the user, and the length s is taken as the distance from the eyes of the user to the display space:
Fai=α1g1(θ)+β1h1(s) wherein α1And β1Influence parameters of the angle between the sight line of the user and the display space and the distance between the eyes of the user and the length of the display space on the experience of the user are displayed and obtained through data training; g1(theta) and h1(s) are an angle function and a distance function respectively, and the calculation formula is as follows:
g1(θ)=1/n(θ1+θ2+...+θn)，h1(s)=1/n(s1+s2+...+sn)；
step three) as shown in 003 in fig. 1, the spatial position, angle and shape of the display space are adjusted according to the fairness of the user;
adjusting the position of the display space: x = (X)1+x2+...+xn)/n+hx，Y=(y1+y2+...+yn)/n+hy，Z=hzWherein h isx,hy,hzThe proper distance, x, that the user should have from the display screen is obtained by machine learning and the likeiTo show the value of space in the X direction at the ith point in three-dimensional space, yiIn order to display the value of the ith point in the three-dimensional space in the Y direction, for the convenience of understanding, the display space is replaced by n discrete points on a three-dimensional plane, each discrete point has a value in the X direction, a value in the Y direction and a value in the Z direction, and the coordinate value of each point in the three-dimensional space can also be understood; x, Y and Z are positions of the display space;
adjusting the angle and shape of the display space: the plane included angle between the sight line of the user and the display space is changed by adjusting the inclination angle and the shape of the display space, and the calculation formula of the rotation angle of the display space with a certain axis is as follows:
θFai=900-1/n(θ1+θ2+...+θn) Wherein thetaiThe angle between the line of sight of each user and the plane of the presentation space,
when θ >0, rotate counterclockwise; when θ <0, rotate clockwise;
step four), as shown in 004 in fig. 1, setting a change function of the user payment price according to the user experience, wherein the calculation formula is as follows:
Cost_Exp=f2(Exp) wherein f2() To satisfy a nonlinear, monotonically increasing type function (e.g., reciprocal function), Cost _ Exp is a price variable, Exp is a user experience variable; the modeling of the user experience is carried out on the assumption that physical factors influencing the user experience comprise the shortest distance between the eyes of the user and the display space and the plane included angle between the sight of the user and the display space when the user looks at the film, and the modeling is as follows:
the method comprises the steps of recognizing a face plane of a user through functions of photographing or other recognizable images of a display system, wherein the abstract areas of faces of users are assumed to be not much different, namely the areas are assumed to be basically equal, obtaining a cosine value of a face inclination angle α through comparing the face area recognized through the functions of photographing and the like with an original area, determining the face plane of the user according to a value α, taking a line which is perpendicular to the plane and passes through the center position of the plane as a sight line of the user for observing the display system, calculating a plane included angle theta between the sight line of the user and a display space, calculating the length of the user from the display space according to a recognized short edge of the face of the user, and taking the length as the distance between eyes of the user and the display space, wherein the calculation formula of a user experience:
Exp=α2g2(θ)+β2h2(s) wherein α2And β2Influence parameters of the angle between the sight line of the user and the display space and the distance between the eyes of the user and the length of the display space on the experience of the user are displayed and obtained through data training; g2(theta) and h2(s) are an angle function and a distance function, respectively, both of which are type functions (e.g., functions satisfying a normal distribution) satisfying the following conditions:
1. g2(θ)，h2(s)>0；
2. g2(θ)，h2(s) non-linearity;
3. g2(θ)，h2(s) has a unique maximum;
step five) as shown in 005 in fig. 1, adjusting the spatial position, angle and shape of the display space according to the user experience;
adjusting the position of the display space: assuming that the expected experience of the user is the maximum, the distance and direction of the movement of the display space are calculated, and the calculation formula is as follows:
Figure DEST_PATH_IMAGE001
wherein h isx,hy,hzSuitable distances (for convenient calculation, a spatial rectangular coordinate system x, y and z are assumed to be three coordinate axes) which are obtained by machine learning and other methods and are required to be from a display screen in three directions of a user, and siFor each user's actual distance from the presentation space,
Figure DEST_PATH_IMAGE002
is the opposite direction of the sight line direction when the user watches the film;
adjusting the angle and shape of the display space: the plane included angle between the sight line of the user and the display space is changed by adjusting the inclination angle and the shape of the display space, and the calculation formula of the angle of the display space rotating by a certain axis is as follows:
Figure DEST_PATH_IMAGE003
wherein thetaiThe included angle between the sight line of each user and the plane of the display space is formed;
when theta isExp>When 0, rotate counterclockwise; when theta isExp<When 0, rotate clockwise;
the position and the angle of the display space are periodically changed within a variable time range, so that the aims of relieving the neck stiffness, eye fatigue and the like caused by the fact that a user can watch the film for a long time are achieved; the changed size is obtained by obtaining a health model through methods such as machine learning;
step six), as shown in 006 in fig. 1, modeling the user satisfaction based on fairness and experience;
for the price, Cost _ Sat = a × Cost _ Fai + b × Cost _ Exp, wherein a and b are influence parameters of user fairness and experience feeling and are obtained by data training;
for spatial positions:
Figure DEST_PATH_IMAGE004
where is a vector showing the movement of space from the original position to the (X, Y, Z) position;
for angles and shapes: thetaSat=a×θFai+ b×θExp。

Claims (1)

1. A user satisfaction modeling and display space adjusting method fusing fairness, experience and price belongs to the cross field of service calculation and software engineering; the method is characterized in that the user satisfaction is measured by using fairness, experience and price, and the maximum satisfaction degree of all users is achieved by adjusting the spatial position and shape of a display space and the price to be paid by the users; the method comprises the following specific steps:
step one), identifying the relative position of each user and marking through the function of identifying the relative position of the user, including a photographing function, of the display system;
step two) setting a change function of the user payment price according to the user fairness, wherein the calculation formula is as follows:
Cost_Fai=f1(γ. Fai), wherein f1() Is a constant function associated with Fai; assuming that physical factors influencing user experience comprise the shortest distance between the eyes of a user and a display space and the plane included angle between the sight of the user and the display space when the user looks at a film, modeling is carried out on the fairness of the user, and the modeling is as follows:
the image recognizable function of the display system comprises a photographing function and a face plane of a user is recognized, the abstract areas of the faces of the users are not much different, namely the areas are assumed to be basically equal, a cosine value of a face inclination angle α is obtained by recognizing the face area and comparing the face area with an original area, the face plane of the user is determined according to a value α, then a line which is perpendicular to the plane and passes through the center position of the plane is taken as a sight line of the user for observing the display system, a plane included angle theta between the sight line of the user and the display space is calculated, the length s from the user to the display space is calculated according to a shorter side of the recognized face of the user and is taken as the distance from the eyes of the user to the display space, and therefore, the calculation formula of the user fairness function is as follows:
Fai=α1g1(θ)+β1h1(s) wherein α1And β1Influence parameters of the angle between the sight line of the user and the display space and the distance between the eyes of the user and the length of the display space on the experience of the user are displayed and obtained through data training; g1(theta) and h1(s) are an angle function and a distance function respectively, and the calculation formula is as follows:
g1(θ)=1/n(θ1+θ2+...+θn)，h1(s)=1/n(s1+s2+...+sn)；
step three), adjusting the spatial position, angle and shape of the display space according to the fairness of the user;
adjusting the position of the display space: x = (X)1+x2+...+xn)/n+hx，Y=(y1+y2+...+yn)/n+hy，Z=hzWherein h isx,hy,hzThe proper distance, x, that the user should have from the display screen for machine learning methodsiTo show the value of space in the X direction at the ith point in three-dimensional space, yiThe value of the display space in the Y direction of the ith point in the three-dimensional space is shown; x, Y and Z are positions of the display space;
adjusting the angle and shape of the display space: the plane included angle between the sight line of the user and the display space is changed by adjusting the inclination angle and the shape of the display space, and the calculation formula of the rotation angle of the display space with a certain axis is as follows:
θFai=900-1/n(θ1+θ2+...+θn) Wherein thetaiThe angle between the line of sight of each user and the plane of the presentation space,
when θ >0, rotate counterclockwise; when θ <0, rotate clockwise;
step four), setting a change function of the user payment price according to the user experience, wherein the calculation formula is as follows:
Cost_Exp=f2(Exp) wherein f2() In order to meet the nonlinear and monotonically increasing type function, Cost _ Exp is a price variable, and Exp is a user experience variable; the modeling of the user experience is carried out on the assumption that physical factors influencing the user experience comprise the shortest distance between the eyes of the user and the display space and the plane included angle between the sight of the user and the display space when the user looks at the film, and the modeling is as follows:
the image recognizable function of the display system comprises a photographing function and a user face plane recognition function, wherein the abstract areas of the faces of all users are not much different, namely the areas are assumed to be basically equal, a cosine value of a face inclination angle α is obtained by recognizing the face area and comparing the face area with an original area, the user face plane is determined according to a value α, then a line which is perpendicular to the plane and passes through the center position of the plane is taken as a sight line of the user for observing the display system, a plane included angle theta between the sight line of the user and the display space is calculated, the length of the user from the display space is calculated according to a recognized shorter side of the face of the user, and the length of the user from the display space is taken as the distance between the eyes of the user and the display space, and therefore, the calculation formula of:
Exp=α2g2(θ)+β2h2(s) wherein α2And β2Influence parameters of the angle between the sight line of the user and the display space and the distance between the eyes of the user and the length of the display space on the experience of the user are displayed and obtained through data training; g2(theta) and h2(s) are an angle function and a distance function, respectively, both being type functions satisfying the following condition:
g2(θ)，h2(s)>0；
g2(θ)，h2(s) non-linearity;
g2(θ)，h2(s) has a unique maximum;
step five), adjusting the spatial position, angle and shape of the display space according to the user experience;
adjusting the position of the display space: assuming that the expected experience of the user is the maximum, the distance and direction of the movement of the display space are calculated, and the calculation formula is as follows:
Figure 451106DEST_PATH_IMAGE001
wherein h isx,hy,hzThe three directions of the user obtained for machine learning in the three-dimensional space should have proper distances, s, from the display screeniFor each user's actual distance from the presentation space,
Figure 384427DEST_PATH_IMAGE002
is the opposite direction of the sight line direction when the user watches the film;
adjusting the angle and shape of the display space: the plane included angle between the sight line of the user and the display space is changed by adjusting the inclination angle and the shape of the display space, and the calculation formula of the angle of the display space rotating by a certain axis is as follows:
Figure 397513DEST_PATH_IMAGE003
wherein thetaiThe included angle between the sight line of each user and the plane of the display space is formed;
when theta isExp>When 0, rotate counterclockwise; when theta isExp<When 0, rotate clockwise;
the position and the angle of the display space are periodically changed within a variable time range, so that the aims of relieving the stiff neck and the eye fatigue caused by the fact that a user can watch the film for a long time are achieved; the magnitude of the change is derived from a health model obtained via a machine learning method;
step six), modeling the user satisfaction based on fairness and experience;
for the price, Cost _ Sat = a × Cost _ Fai + b × Cost _ Exp, wherein a and b are influence parameters of user fairness and experience feeling and are obtained by data training;
for spatial positions:
Figure 859718DEST_PATH_IMAGE004
wherein, is a vector showing the movement of the space from the original position to the (X, Y, Z) position;
for angles and shapes: thetaSat=a×θFai+ b×θExp。
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108109010A (en) * 2017-12-26 2018-06-01 南京开为网络科技有限公司 A kind of intelligence AR advertisement machines
CN208172727U (en) * 2017-12-25 2018-11-30 上海摩奇贝斯展示设计营造有限公司 Scientific and technological exhibition room motion sensing manipulation polymerize display systems with face recognition

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FR2980681A3 (en) * 2011-09-29 2013-04-05 Fittingbox METHOD OF DETERMINING OCULAR AND OPTICAL MEASUREMENTS OF INTEREST FOR THE MANUFACTURE AND MOUNTING OF GLASSES OF CORRECTIVE GLASSES USING A CAMERA IN A NON-CONTROLLED CONTEXT
US20130110666A1 (en) * 2011-10-28 2013-05-02 Adidas Ag Interactive retail system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208172727U (en) * 2017-12-25 2018-11-30 上海摩奇贝斯展示设计营造有限公司 Scientific and technological exhibition room motion sensing manipulation polymerize display systems with face recognition
CN108109010A (en) * 2017-12-26 2018-06-01 南京开为网络科技有限公司 A kind of intelligence AR advertisement machines

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