CN116661723B - Information evaluation management system and method applied to intelligent display screen - Google Patents

Information evaluation management system and method applied to intelligent display screen Download PDF

Info

Publication number
CN116661723B
CN116661723B CN202310681281.0A CN202310681281A CN116661723B CN 116661723 B CN116661723 B CN 116661723B CN 202310681281 A CN202310681281 A CN 202310681281A CN 116661723 B CN116661723 B CN 116661723B
Authority
CN
China
Prior art keywords
display
information
unit
display screen
image
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202310681281.0A
Other languages
Chinese (zh)
Other versions
CN116661723A (en
Inventor
洪旺
贾涛
周若楠
许红美
李佳杰
苏巍焱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Heijin Industrial Manufacturing Co ltd
Original Assignee
Shenzhen Heijin Industrial Manufacturing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Heijin Industrial Manufacturing Co ltd filed Critical Shenzhen Heijin Industrial Manufacturing Co ltd
Priority to CN202310681281.0A priority Critical patent/CN116661723B/en
Publication of CN116661723A publication Critical patent/CN116661723A/en
Application granted granted Critical
Publication of CN116661723B publication Critical patent/CN116661723B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063—Operations research, analysis or management
    • G06Q10/0639—Performance analysis of employees; Performance analysis of enterprise or organisation operations
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/32—Digital ink
    • G06V30/36—Matching; Classification
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Abstract

The invention relates to the technical field of information evaluation management, in particular to an information evaluation management system and method applied to an intelligent display screen, comprising the following steps: the system comprises a display information acquisition module, a database, a display information analysis module, a target screening module and an evaluation display management module, wherein the display information acquisition module acquires the use information and the display image information of a display screen, all acquired data are transmitted to the database, all acquired data are stored in the database, the display information analysis module analyzes the necessary degree of an image displayed by a user when different users use the display screen and write by touch, the target screening module compares the necessary degree and screens out the target user, the evaluation display management module evaluates the information value of the image displayed by the target user, and the display screen is selected for adjustment, so that people in certain unfavorable positions can be helped to watch the display content to clearly acquire key display content, and the explanation and display effect are improved.

Description

Information evaluation management system and method applied to intelligent display screen
Technical Field
The invention relates to the technical field of information evaluation management, in particular to an information evaluation management system and method applied to an intelligent display screen.
Background
Along with the development of science and technology, the display screen is widely applied to various places such as enterprises, education places and the like, becomes the most common display medium for information transmission, and is particularly important to select a proper display mode in order to achieve a better information transmission effect when the display screen is used for displaying information;
however, some problems still exist in the existing display mode of the display screen: for the content that utilizes the display screen to demonstrate the explanation at the fixed space when the user is in the explanation content, can need to write some additional contents through the touch-control on the display screen in the explanation in-process to the watching personnel know the show content more, but because the position that personnel were located in the fixed space when watching the explanation content is different, partial user is because certain custom of writing, and the additional content of writing exists because the word is too little to lead to the part to be in the more partial or the more remote watching personnel can't see the content of writing clearly, is unfavorable for these personnel to know and know key information clearly, has reduced the effect of information propagation to a certain extent.
Therefore, an information evaluation management system and method applied to the intelligent display screen are needed to solve the above problems.
Disclosure of Invention
The invention aims to provide an information evaluation management system and method applied to an intelligent display screen, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: an information evaluation management system for an intelligent display screen, the system comprising: the system comprises a display information acquisition module, a database, a display information analysis module, a target screening module and an evaluation display management module;
the output end of the display information acquisition module is connected with the input end of the database, the output end of the database is connected with the input end of the display information analysis module, the output end of the display information analysis module is connected with the input end of the target screening module, and the output end of the target screening module is connected with the input end of the evaluation display management module;
acquiring the use information and the display image information of a display screen through the display information acquisition module, and transmitting all acquired data to the database;
storing all the collected data through the database;
the display information analysis module is used for analyzing the necessary degree of displaying images of different users when the users use the display screen and touch the display screen to write;
comparing the necessary degree by the target screening module and screening out target users;
and evaluating the information value of the display image of the target user through the evaluation display management module, and selecting a display picture for adjustment.
Further, the display information acquisition module comprises a use information acquisition unit and a display content acquisition unit;
the output ends of the use information acquisition unit and the display content acquisition unit are connected with the input end of the database;
the usage information acquisition unit is used for acquiring login account information of a user who uses the display screen in the past on the display screen after the user is authorized;
the display content acquisition unit is used for acquiring touch control handwriting image information on the display screen when different users using the display screen explain and display the content by using the display screen in the past.
Further, the display information analysis module comprises a handwriting information calling unit, a contour point selecting unit and a necessary degree estimating unit;
the input end of the handwriting information calling unit is connected with the output end of the database, the output end of the handwriting information calling unit is connected with the input end of the contour point selecting unit, and the output end of the contour point selecting unit is connected with the input end of the necessary degree estimating unit;
the handwriting information calling unit is used for calling touch handwriting image information of different users into the contour point selection unit;
the contour point selecting unit is used for selecting a contour point of each word of a user in the image, establishing a two-dimensional coordinate system by taking the center of the image as an origin, acquiring the coordinates of the selected contour point, and transmitting the coordinates of the position of the contour point to the necessary degree estimating unit;
the necessary degree estimating unit is used for estimating the necessary degree of displaying the image of the user when different users use the display screen and touch the writing according to the coordinates of the outline points.
Further, the target screening module comprises a necessary degree comparing unit and a target user screening unit;
the input end of the necessary degree comparing unit is connected with the output end of the necessary degree estimating unit, and the output end of the necessary degree comparing unit is connected with the input end of the target user screening unit;
the necessary degree comparing unit is used for comparing and amplifying the necessary degrees of the images displayed by different users;
the target user screening unit is used for classifying users according to the necessary degree, analyzing and amplifying the sum of the necessary degrees of the displayed images of each type of users, and screening out the type of users with the highest necessary degree sum as target users.
Further, the evaluation display management module comprises an information value evaluation unit, an image processing selection unit and a display adjustment unit;
the input end of the information value evaluation unit is connected with the output end of the target user screening unit, the output end of the information value evaluation unit is connected with the input end of the image processing selection unit, and the output end of the image processing selection unit is connected with the input end of the display adjustment unit;
the information value evaluation unit is used for evaluating information values displayed by different images displayed by the display screen when the target user logs in and uses the display screen and the target user explains and displays the content;
the image processing selection unit is used for setting an information value threshold value, comparing the information values displayed by different images with the threshold value, and selecting the images with the information values exceeding the threshold value for processing;
the display adjusting unit is used for performing amplification display processing on the selected image.
An information evaluation management method applied to an intelligent display screen comprises the following steps:
z1: collecting use information and display image information of a display screen;
z2: analyzing the necessary degree of displaying images of different users when the users use the display screen and touch the display screen to write;
z3: comparing the necessary degree and screening out the target users;
z4: and the evaluation target user displays the information value of the image and selects the display picture for adjustment.
Further, in step Z1: after the user is authorized, collecting login account information of the user who uses the display screen in the past on the display screen, and collecting touch control handwriting image information on the display screen when different users who use the display screen explain and display the content by using the display screen in the past;
in step Z2: the method comprises the steps of calling touch handwriting image information of different users, establishing a two-dimensional coordinate system by taking an image center as an origin, selecting k contour points on a random word in an image with random touch handwriting of one user, and obtaining a coordinate set of the k contour points as (X, Y) = { (X) 1 ，Y 1 )，(X 2 ，Y 2 )，…，(X k ，Y k ) Estimating the area S occupied by a random word according to the following formula i ：
S i ＝|[∑ k-1 j＝1 (X j Y j+1 -X j+1 Y j )+(X k Y 1 -X 1 Y k )]/2|；
Wherein X is j And Y j Respectively represents the horizontal and vertical coordinates, X of the j-th outline point j+1 And Y j+1 Respectively representing the horizontal coordinate and the vertical coordinate of the j+1th outline point to obtain an area set occupied by n words appearing in the image as S= { S 1 ，
S 2 ，…，S i ，…，S n According to formula W } e ＝(∑ n i＝1 (1/S i ) Random one use of)/n calculation amplification the necessary degree W of the image e The necessary degree set of the amplified m user display images is obtained through the same calculation mode and is W= { W 1 ，
W 2 ，…，W e ，…，W m }；
The method comprises the steps that through large data collection, a user who uses the same display screen in the past touches the image data written on the display screen, the size of handwriting of the user is judged by selecting vertexes, namely outline points, on the words and estimating the covered area of the words written by the user through cross multiplication, when different users display contents by using the display screen, the necessary degree of displaying the images is enlarged, the smaller the covered area of the handwriting is, the smaller the habitual written words of the user are explained, the higher the necessary degree of displaying the images is enlarged, for people watching the displayed contents in different positions in a fixed space, people watching the words written by the user in certain positions can not see clearly, the corresponding people are unfavorable to clearly acquire display information, and particularly for displaying key information, the purpose of analyzing the necessary degree is to screen out target users needing to process the displayed images.
Further, in step Z3: arranging the necessary degrees in order from large to small, classifying m users into p types according to the arranged necessary degrees, amplifying that all necessary degrees of images displayed by the users in the former type are larger than those in the latter type, and screening a classification result which makes L maximum, wherein L= [ (Σ) p v＝1 (Q v -(∑ p v＝1 Q v )/p) 2 )/p] 1/2 Wherein Q is v Representing the v in a random classification resultScreening the sum of the necessary degrees corresponding to the class users, wherein the first class user in one classification result with the maximum L is taken as a target user, and the sum of the necessary degrees corresponding to the first class user is the highest;
in the screening process, in order to screen more suitable target users, a mode of classifying the users according to the necessary degree is adopted, and one classification result with the largest difference of the necessary degrees among the classes is selected as screening reference data, so that the effective degree of processing the screened target user display images is improved.
Further, in step Z4: when a target user logs in and uses a display screen, and when a target user explains and displays content, the current image displayed in the display screen is obtained, the displayed time length is T, the number of words displayed in the current image through touch control of the target user is F, and the set of the displayed time length of the image displayed before the current image is obtained is T= { T 1 ，T 2 ，…，T a ，…，T g The corresponding word number set displayed through touch control of the target user in the displayed image is H= { H } 1 ，H 2 ，…，H a ，…，H g And according to formula v= [ t/(Σ) g a＝1 (T a )+t)]×[F/(∑ g a＝1 (H a )+F)]Evaluating and obtaining information value V displayed by the current image displayed by the display screen, wherein T a Indicating the display time length of the a-th image which is displayed before the current image, H a Representing the number of words displayed by touch control of a target user in an a-th image displayed before the current image, and setting the information value threshold as V ’ Comparing V with V ’ : if V is less than or equal to V ’ The currently displayed image is not adjusted; if V>V ’ Adjusting the current displayed image, and performing amplification display processing on the current image;
when a target user utilizes a display screen to display and explain contents, all images are not directly amplified, but images with high information value are selected to be amplified, so that the value of helping a viewer to clearly know key display contents is improved, the longer the duration is, the more the number of words is, the more the user is judged to pay attention to the corresponding display contents, the higher the value of information is further judged, and when the value of the display information is evaluated, the information value is evaluated by combining the time length displayed by the images in the explanation process and the number of words corresponding to the touch control handwriting of the user on the display screen, so that the viewer is helped to clearly know the key display contents.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, through large data acquisition, a user who has used the same display screen in the past touches the image data of writing on the display screen, the size of the handwriting of the user is judged by selecting the top point, namely the outline point, on the character and estimating the coverage area of the character written by the user through cross multiplication, the necessary degree of the displayed image of different users is further amplified when the content is displayed by the display screen, the target users needing to process the displayed image are screened out, in the screening process, the mode of classifying the users according to the necessary degree is adopted, and one classification result with the largest difference of the necessary degrees among the classes is selected as screening reference data, so that the effective degree of processing the screened target user displayed image is improved;
when a target user utilizes a display screen to display and explain the content, all images are not directly amplified, but images with high information value are selected to be amplified, so that the value of helping the viewers to clearly know the key display content is improved, and the viewers at certain unfavorable positions are helped to clearly know the key display content.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a block diagram of an information evaluation management system applied to an intelligent display screen according to the present invention;
fig. 2 is a flowchart of an information evaluation management method applied to an intelligent display screen.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
The invention is further described below with reference to fig. 1-2 and the specific embodiments.
Example 1: as shown in fig. 1, the present embodiment provides an information evaluation management system applied to an intelligent display screen, the system including: the system comprises a display information acquisition module, a database, a display information analysis module, a target screening module and an evaluation display management module;
the output end of the display information acquisition module is connected with the input end of the database, the output end of the database is connected with the input end of the display information analysis module, the output end of the display information analysis module is connected with the input end of the target screening module, and the output end of the target screening module is connected with the input end of the evaluation display management module;
the display screen display method comprises the steps that a display information acquisition module acquires use information and display image information of a display screen, and all acquired data are transmitted to a database;
storing all collected data through a database;
the display information analysis module is used for analyzing the necessary degree of displaying the image of the user when different users use the display screen and touch the display screen to write;
comparing the necessary degree through a target screening module and screening out target users;
and evaluating the information value of the display image of the target user through an evaluation display management module, and selecting a display picture for adjustment.
The display information acquisition module comprises a use information acquisition unit and a display content acquisition unit;
the output ends of the use information acquisition unit and the display content acquisition unit are connected with the input end of the database;
the use information acquisition unit is used for acquiring login account information of a user who uses the display screen in the past on the display screen after the user is authorized;
the display content acquisition unit is used for acquiring touch control handwriting image information on the display screen when different users using the display screen explain and display the content by using the display screen.
The display information analysis module comprises a handwriting information calling unit, a contour point selecting unit and a necessary degree estimating unit;
the input end of the handwriting information calling unit is connected with the output end of the database, the output end of the handwriting information calling unit is connected with the input end of the contour point selecting unit, and the output end of the contour point selecting unit is connected with the input end of the necessary degree estimating unit;
the handwriting information calling unit is used for calling touch handwriting image information of different users into the contour point selecting unit;
the contour point selecting unit is used for selecting the contour point of each word of the user in the image, establishing a two-dimensional coordinate system by taking the center of the image as an origin, acquiring the coordinates of the selected contour point, and transmitting the coordinates of the position of the contour point to the necessary degree estimating unit;
the necessary degree estimating unit is used for estimating the necessary degree of the display image of the user when different users use the display screen and touch the writing according to the coordinates of the outline points.
The target screening module comprises a necessary degree comparing unit and a target user screening unit;
the input end of the necessary degree comparing unit is connected with the output end of the necessary degree estimating unit, and the output end of the necessary degree comparing unit is connected with the input end of the target user screening unit;
the necessary degree comparing unit is used for comparing and amplifying the necessary degrees of different user display images;
the target user screening unit is used for classifying users according to the necessary degree, analyzing and amplifying the sum of the necessary degrees of the images displayed by each type of users, and screening out the type of users with the highest necessary degree sum as target users.
The evaluation display management module comprises an information value evaluation unit, an image processing selection unit and a display adjustment unit;
the input end of the information value evaluation unit is connected with the output end of the target user screening unit, the output end of the information value evaluation unit is connected with the input end of the image processing selection unit, and the output end of the image processing selection unit is connected with the input end of the display adjustment unit;
the information value evaluation unit is used for evaluating information values displayed by different images displayed by the display screen when the target user logs in and uses the display screen and the target user explains and displays the content;
the image processing selection unit is used for setting an information value threshold value, comparing the information values displayed by different images with the threshold value, and selecting the images with the information values exceeding the threshold value for processing;
the display adjusting unit is used for performing enlarged display processing on the selected image.
Example 2: as shown in fig. 2, the present embodiment provides an information evaluation management method applied to an intelligent display screen, which is implemented based on a management system in the embodiment, and specifically includes the following steps:
z1: collecting use information and display image information of a display screen, after user authorization, collecting login account information of a user who uses the display screen in the past, and collecting touch handwriting image information of different users who use the display screen in the past when explaining and displaying contents by using the display screen;
z2: when different users use the display screen and touch-control writing is analyzed, the necessary degree of the display images of the users is enlarged, the touch-control handwriting image information of the different users is called, a two-dimensional coordinate system is established by taking the center of the images as the origin, 5 outline points are selected on a random word in the images with the touch-control handwriting of the random user, and the coordinate set of the 5 outline points is (X, Y) = { (X) is obtained 1 ，Y 1 )，(X 2 ，Y 2 )，(X 3 ，Y 3 )，(X 4 ，Y 4 )，(X 5 ，Y 5 ) The random word occupancy is estimated from = { (1, 4), (3, 5), (4, 4), (3, 1), (2, 2) } according to the following formulaArea S of the basis i ：
S i ＝|[∑ k-1 j＝1 (X j Y j+1 -X j+1 Y j )+(X k Y 1 -X 1 Y k )]/2|；
Wherein X is j And Y j Respectively represents the horizontal and vertical coordinates, X of the j-th outline point j+1 And Y j+1 Respectively representing the horizontal coordinate and the vertical coordinate of the j+1th outline point to obtain an area set occupied by n words appearing in the image as S= { S 1 ，S 2 ，
S 3 ，S 4 ，S 5 } = {12.5, 13, 10.2, 11.5, 13.8}, according to formula W e ＝(∑ n i＝1 (1/S i ) Random one use of)/n calculation amplification the necessary degree W of the image e The necessary degree set of the display images of 7 amplified users is obtained by the same calculation mode and is W= { W 1 ，W 2 ，W 3 ，W 4 ，W 5 ，W 6 ，W 7 }＝{0.08，0.56，0.12，0.67，0.06，0.23，0.35}；
Z3: comparing the necessary degrees and screening out target users, arranging the necessary degrees in order from large to small, dividing the m users into p=3 types according to the arranged necessary degrees, amplifying that all necessary degrees of the images displayed by the former type of users are larger than the latter type, screening out a classification result which makes L maximum, wherein L= [ (Σ) p v＝1 (Q v -(∑ p v＝1 Q v )/p) 2 )/p] 1/2 Wherein Q is v Representing the sum of the necessary degrees corresponding to the v-th class of users in the random one classification result, and obtaining one classification result with the maximum L as follows: the corresponding necessary degree sets of each user are {0.67,0.56}, respectively,
{0.35,0.23}, {0.12,0.08,0.06}, screening the first class users, namely the second and fourth users, in the one classification result with the maximum L as target users, wherein the sum of the necessary degrees corresponding to the first class users is highest;
z4: evaluating the information value of an image displayed by a target user, selecting a display picture for adjustment, when the target user logs in and uses the display screen, and when a random target user explains and displays content, acquiring the displayed time length of the current image displayed in the display screen as T, acquiring the number of words displayed by touch control of the target user in the current image as F, and acquiring the displayed time length set of the previously displayed image of the current image as T= { T 1 ，T 2 ，…，T a ，…，T g The corresponding word number set displayed through touch control of the target user in the displayed image is H= { H } 1 ，H 2 ，…，H a ，…，H g And according to formula v= [ t/(Σ)
g a＝1 (T a )+t)]×[F/(∑ g a＝1 (H a )+F)]Evaluating and obtaining information value V displayed by the current image displayed by the display screen, wherein T a Indicating the display time length of the a-th image which is displayed before the current image, H a Representing the number of words displayed by touch control of a target user in an a-th image displayed before the current image, and setting the information value threshold as V ’ Comparing V with V ’ : if V is less than or equal to V ’ The currently displayed image is not adjusted; if V>V ’ Adjusting the current displayed image, and performing amplification display processing on the current image;
for example: when a target user explains and displays content randomly, acquiring the current image displayed in the display screen, wherein the display duration is t=15, and the units are as follows: in minutes, the number of words displayed by touch of a target user in the current image is F=15, and the set of display time lengths of the images displayed before the current image is obtained is T= { T 1 ，T 2 ，T 3 The number of words in the displayed image that are displayed by the touch of the target user is set to be h= { H = {5, 16, 10} 1 ，H 2 ，H 3 The information value V (approximately equal to 0.15) of the current image displayed by the display screen is evaluated and obtained, and the information value threshold value is set as V ’ =0.1, compare V and V ’ ：V>V ’ Adjust whenAnd performing enlargement display processing on the current image.
Finally, it should be noted that: the foregoing is merely a preferred example of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. An information evaluation management method applied to an intelligent display screen is characterized in that: the method comprises the following steps:
z1: collecting use information and display image information of a display screen;
z2: analyzing the necessary degree of displaying images of different users when the users use the display screen and touch the display screen to write;
z3: comparing the necessary degree and screening out the target users;
z4: evaluating the information value of the displayed image of the target user, and selecting a display picture for adjustment;
in step Z1: after the user is authorized, collecting login account information of the user who uses the display screen in the past on the display screen, and collecting touch control handwriting image information on the display screen when different users who use the display screen explain and display the content by using the display screen in the past;
in step Z2: the method comprises the steps of calling touch handwriting image information of different users, establishing a two-dimensional coordinate system by taking an image center as an origin, selecting k contour points on a random word in an image with random touch handwriting of one user, and obtaining a coordinate set of the k contour points as (X, Y) = { (X) 1 ，Y 1 )，(X 2 ，Y 2 )，…，(X k ，Y k ) Estimating the area S occupied by a random word according to the following formula i ：
S i ＝|[∑ k-1 j＝1 (X j Y j+1 -X j+1 Y j )+(X k Y 1 -X 1 Y k )]/2|；
Wherein X is j And Y j Respectively represents the horizontal and vertical coordinates, X of the j-th outline point j+1 And Y j+1 Respectively representing the horizontal coordinate and the vertical coordinate of the j+1th outline point to obtain an area set occupied by n words appearing in the image as S= { S 1 ，S 2 ，…，S i ，…，S n According to formula W } e ＝(∑ n i＝1 (1/S i ) Random one use of)/n calculation amplification the necessary degree W of the image e The necessary degree set of the amplified m user display images is obtained through the same calculation mode and is W= { W 1 ，W 2 ，…，W e ，…，W m }；
In step Z3: arranging the necessary degrees in order from large to small, classifying m users into p types according to the arranged necessary degrees, amplifying that all necessary degrees of images displayed by the users in the former type are larger than those in the latter type, and screening a classification result which makes L maximum, wherein L= [ (Σ) p v＝1 (Q v -(∑ p v＝1 Q v )/p) 2 )/p] 1/2 Wherein Q is v Representing the sum of the necessary degrees corresponding to the v-th class of users in the random one classification result, screening the first class of users in the one classification result with the largest L as target users, wherein the sum of the necessary degrees corresponding to the first class of users is highest;
in step Z4: when a target user logs in and uses a display screen, and when a target user explains and displays content, the current image displayed in the display screen is obtained, the displayed time length is T, the number of words displayed in the current image through touch control of the target user is F, and the set of the displayed time length of the image displayed before the current image is obtained is T= { T 1 ，T 2 ，…，T a ，…，T g The corresponding word number set displayed through touch control of the target user in the displayed image is H= { H } 1 ，H 2 ，…，H a ，…，H g And according to formula v= [ t/(Σ) g a＝1 (T a )+t)]×[F/(∑ g a＝1 (H a )+F)]Evaluating and obtaining information value V displayed by the current image displayed by the display screen, wherein T a Indicating the display time length of the a-th image which is displayed before the current image, H a Representing the number of words displayed by touch control of a target user in an a-th image displayed before the current image, and setting the information value threshold as V ’ Comparing V with V ’ : if V is less than or equal to V ’ The currently displayed image is not adjusted; if V>V ’ And adjusting the current displayed image, and performing amplification display processing on the current image.
2. An information evaluation management system applied to an intelligent display screen, which is applied to the information evaluation management method applied to the intelligent display screen as claimed in claim 1, and is characterized in that: the system comprises: the system comprises a display information acquisition module, a database, a display information analysis module, a target screening module and an evaluation display management module;
the output end of the display information acquisition module is connected with the input end of the database, the output end of the database is connected with the input end of the display information analysis module, the output end of the display information analysis module is connected with the input end of the target screening module, and the output end of the target screening module is connected with the input end of the evaluation display management module;
acquiring the use information and the display image information of a display screen through the display information acquisition module, and transmitting all acquired data to the database;
storing all the collected data through the database;
the display information analysis module is used for analyzing the necessary degree of displaying images of different users when the users use the display screen and touch the display screen to write;
comparing the necessary degree by the target screening module and screening out target users;
and evaluating the information value of the display image of the target user through the evaluation display management module, and selecting a display picture for adjustment.
3. The information evaluation management system for intelligent display according to claim 2, wherein: the display information acquisition module comprises a use information acquisition unit and a display content acquisition unit;
the output ends of the use information acquisition unit and the display content acquisition unit are connected with the input end of the database;
the usage information acquisition unit is used for acquiring login account information of a user who uses the display screen in the past on the display screen after the user is authorized;
the display content acquisition unit is used for acquiring touch control handwriting image information on the display screen when different users using the display screen explain and display the content by using the display screen in the past.
4. The information evaluation management system for intelligent display according to claim 2, wherein: the display information analysis module comprises a handwriting information calling unit, a contour point selecting unit and a necessary degree estimating unit;
the input end of the handwriting information calling unit is connected with the output end of the database, the output end of the handwriting information calling unit is connected with the input end of the contour point selecting unit, and the output end of the contour point selecting unit is connected with the input end of the necessary degree estimating unit;
the handwriting information calling unit is used for calling touch handwriting image information of different users into the contour point selection unit;
the contour point selecting unit is used for selecting a contour point of each word of a user in the image, establishing a two-dimensional coordinate system by taking the center of the image as an origin, acquiring the coordinates of the selected contour point, and transmitting the coordinates of the position of the contour point to the necessary degree estimating unit;
the necessary degree estimating unit is used for estimating the necessary degree of displaying the image of the user when different users use the display screen and touch the writing according to the coordinates of the outline points.
5. The information evaluation management system for intelligent display according to claim 4, wherein: the target screening module comprises a necessary degree comparing unit and a target user screening unit;
the input end of the necessary degree comparing unit is connected with the output end of the necessary degree estimating unit, and the output end of the necessary degree comparing unit is connected with the input end of the target user screening unit;
the necessary degree comparing unit is used for comparing and amplifying the necessary degrees of the images displayed by different users;
the target user screening unit is used for classifying users according to the necessary degree, analyzing and amplifying the sum of the necessary degrees of the displayed images of each type of users, and screening out the type of users with the highest necessary degree sum as target users.
6. The information evaluation management system for intelligent display according to claim 5, wherein: the evaluation display management module comprises an information value evaluation unit, an image processing selection unit and a display adjustment unit;
the input end of the information value evaluation unit is connected with the output end of the target user screening unit, the output end of the information value evaluation unit is connected with the input end of the image processing selection unit, and the output end of the image processing selection unit is connected with the input end of the display adjustment unit;
the information value evaluation unit is used for evaluating information values displayed by different images displayed by the display screen when the target user logs in and uses the display screen and the target user explains and displays the content;
the image processing selection unit is used for setting an information value threshold value, comparing the information values displayed by different images with the threshold value, and selecting the images with the information values exceeding the threshold value for processing;
the display adjusting unit is used for performing amplification display processing on the selected image.
CN202310681281.0A 2023-06-09 2023-06-09 Information evaluation management system and method applied to intelligent display screen Active CN116661723B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310681281.0A CN116661723B (en) 2023-06-09 2023-06-09 Information evaluation management system and method applied to intelligent display screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310681281.0A CN116661723B (en) 2023-06-09 2023-06-09 Information evaluation management system and method applied to intelligent display screen

Publications (2)

Publication Number Publication Date
CN116661723A CN116661723A (en) 2023-08-29
CN116661723B true CN116661723B (en) 2024-01-12

Family

ID=87718773

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310681281.0A Active CN116661723B (en) 2023-06-09 2023-06-09 Information evaluation management system and method applied to intelligent display screen

Country Status (1)

Country Link
CN (1) CN116661723B (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001014131A (en) * 1999-07-01 2001-01-19 Casio Comput Co Ltd Display controller and program recording medium therefor
JP2005149175A (en) * 2003-11-17 2005-06-09 Casio Comput Co Ltd Display controller and program
WO2010016640A1 (en) * 2008-08-08 2010-02-11 Itovi Inc. System for extracting reduced information of multimedia digital content and system and method for displaying multiple multimedia content using reduced information
WO2015149724A1 (en) * 2014-04-04 2015-10-08 形山科技（深圳）有限公司 Image display method and terminal
WO2015180124A1 (en) * 2014-05-30 2015-12-03 华为技术有限公司 Terminal device display method and terminal device
WO2017080191A1 (en) * 2015-11-12 2017-05-18 深圳Tcl数字技术有限公司 Multi-screen interaction-based picture processing method and system
CN113780860A (en) * 2021-09-17 2021-12-10 上海易立德信息技术股份有限公司 Progress display method and system for milestone and storage medium
CN114546311A (en) * 2021-12-30 2022-05-27 北京联合永道软件股份有限公司 Multi-display-terminal screen projection system and method for intelligent classroom
CN115687974A (en) * 2022-10-27 2023-02-03 深圳市黑金工业制造有限公司 Intelligent interactive blackboard application evaluation system and method based on big data

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001014131A (en) * 1999-07-01 2001-01-19 Casio Comput Co Ltd Display controller and program recording medium therefor
JP2005149175A (en) * 2003-11-17 2005-06-09 Casio Comput Co Ltd Display controller and program
WO2010016640A1 (en) * 2008-08-08 2010-02-11 Itovi Inc. System for extracting reduced information of multimedia digital content and system and method for displaying multiple multimedia content using reduced information
WO2015149724A1 (en) * 2014-04-04 2015-10-08 形山科技（深圳）有限公司 Image display method and terminal
WO2015180124A1 (en) * 2014-05-30 2015-12-03 华为技术有限公司 Terminal device display method and terminal device
WO2017080191A1 (en) * 2015-11-12 2017-05-18 深圳Tcl数字技术有限公司 Multi-screen interaction-based picture processing method and system
CN113780860A (en) * 2021-09-17 2021-12-10 上海易立德信息技术股份有限公司 Progress display method and system for milestone and storage medium
CN114546311A (en) * 2021-12-30 2022-05-27 北京联合永道软件股份有限公司 Multi-display-terminal screen projection system and method for intelligent classroom
CN115687974A (en) * 2022-10-27 2023-02-03 深圳市黑金工业制造有限公司 Intelligent interactive blackboard application evaluation system and method based on big data

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
"P1.5高清室内LED全彩显示屏设计与实现";张晓芳 等;《机电工程技术》;第50卷(第1期);第147-152页 *
"Recovering Realistic Details for Magnification-Arbitrary Image Super-Resolution";C Ma et al.;《IEEE Transactions on Image Processing》;第31卷;第3669 - 3683页 *
基于计算机视觉的交互式电子沙盘系统研究;严一鸣;郭星;;计算机技术与发展(第06期);第201-204页 *

Also Published As

Publication number Publication date
CN116661723A (en) 2023-08-29

Similar Documents

Publication Publication Date Title
CN110245213B (en) Questionnaire generation method, device, equipment and storage medium
Ni et al. ESIM: Edge similarity for screen content image quality assessment
CN104023249B (en) Television channel recognition methods and device
CN1477590B (en) System and method for white writing board and voice frequency catching
KR100995218B1 (en) A computer-implemented process for creating an enhanced data stream of whiteboard content, system and computer-readable recording medium
CN108304793B (en) Online learning analysis system and method
CN110517246B (en) Image processing method and device, electronic equipment and storage medium
US20100313214A1 (en) Display system, system for measuring display effect, display method, method for measuring display effect, and recording medium
CN107045506A (en) Evaluation index acquisition methods and device
US20180150683A1 (en) Systems, methods, and devices for information sharing and matching
CN110619460A (en) Classroom quality assessment system and method based on deep learning target detection
US20210203955A1 (en) Systems and methods for emotion and perception based video compression and video perception enhancement
WO2021217899A1 (en) Method, apparatus, and device for encrypting display information, and storage medium
Yang et al. An expected cost model of eyewitness identification.
CN113762107A (en) Object state evaluation method and device, electronic equipment and readable storage medium
CN112613780A (en) Learning report generation method and device, electronic equipment and storage medium
CN105635667B (en) Method and apparatus for visualization digital Video stream information
CN111160277A (en) Behavior recognition analysis method and system, and computer-readable storage medium
CN110969045A (en) Behavior detection method and device, electronic equipment and storage medium
CN116661723B (en) Information evaluation management system and method applied to intelligent display screen
US20160342846A1 (en) Systems, Methods, and Devices for Information Sharing and Matching
CN111861204A (en) Course mobile learning evaluation system and method based on intelligent platform
CN113052127A (en) Behavior detection method, behavior detection system, computer equipment and machine readable medium
Rocha et al. Progressive randomization: Seeing the unseen
DE112019006940T5 (en) User authentication through pose-based facial recognition

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant