CN113452979A - Projector angle correction control system and method - Google Patents

Projector angle correction control system and method Download PDF

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Publication number
CN113452979A
CN113452979A CN202110774410.1A CN202110774410A CN113452979A CN 113452979 A CN113452979 A CN 113452979A CN 202110774410 A CN202110774410 A CN 202110774410A CN 113452979 A CN113452979 A CN 113452979A
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China
Prior art keywords
projector
password
mobile terminal
authority
angle
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CN113452979B (en
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叶志申
袁晓丽
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Beijing Chengpin Snapshot Internet Of Things Technology Co ltd
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Beijing Chengpin Snapshot Internet Of Things Technology Co ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/12Picture reproducers
    • H04N9/31Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179Video signal processing therefor
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06Authentication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10Small scale networks; Flat hierarchical networks
    • H04W84/12WLAN [Wireless Local Area Networks]

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

The invention provides a projector angle correction control system and method, relating to the technical field of projector control, wherein the system comprises: the mobile terminal comprises a first receiving module, a second receiving module and a sending module, wherein the first receiving module is used for receiving a first access request sent by the mobile terminal, and the first access request comprises a first password; the first permission query module is used for establishing connection with the mobile terminal based on a wireless local area network after determining that the first password is correct based on the password and the permission list; the first acquisition module is used for acquiring the projector control authority corresponding to the first password based on the password and the authority list and acquiring images within a preset range of the mobile terminal; and the first correction module is used for correcting the angle of the projector according to the control authority of the projector after determining that the image in the preset range has the portrait image.

Description

Projector angle correction control system and method
Technical Field
The invention relates to the technical field of projector control, in particular to a projector angle correction control system and method.
Background
A projector is a device that can project pictures or videos onto a curtain. Based on the projector function, the projector is widely applied to scenes such as teaching, company meetings, advertising and the like. In the remote conference of the company at present, the purpose of holding the conference across the area can be realized by using the modern communication means. In teleconferencing, it is often necessary to project multimedia material using a projector. However, when the projector is not placed at a proper position, the projection area formed on the projection surface is subjected to trapezoidal distortion, so that the light beam projected by the projector forms a trapezoidal projection area on the projection surface, and at the moment, the user adjusts the projector by manually correcting the parameters of the projector or the placement position of the projector, which is not convenient enough. Therefore, a projector that can automatically correct the angle according to the identity and position of a user is a problem to be solved in the art.
Disclosure of Invention
In view of the above, the present invention provides a projector angle correction control system and method, so as to solve the defect that in the prior art, a user adjusts a projector by manually correcting a projector parameter or a projector placement position, which is not convenient enough, and realize full-automatic control of an angle of the projector to correct a projected image.
Based on the above object, the present invention provides a projector angle correction control system.
The invention provides a projector angle correction control system, comprising:
the mobile terminal comprises a first receiving module, a second receiving module and a sending module, wherein the first receiving module is used for receiving a first access request sent by the mobile terminal, and the first access request comprises a first password;
the first permission query module is used for establishing connection with the mobile terminal based on a wireless local area network after determining that the first password is correct based on the password and the permission list; the password and permission list comprises a plurality of access passwords which can be judged to be correct, the first password is one of the access passwords, different access passwords correspond to different projector control permissions, and the projector control permission is a projection angle of a projector;
the first acquisition module is used for acquiring the projector control authority corresponding to the first password based on the password and the authority list and acquiring images within a preset range of the mobile terminal;
and the first correction module is used for correcting the angle of the projector according to the control authority of the projector after determining that the image in the preset range has the portrait image.
Optionally, the first acquisition module specifically includes:
the first receiving unit is used for acquiring projector control authority corresponding to the first password based on the password and the authority list;
a first determining unit, configured to determine first location information of the mobile terminal that sent the first access request with respect to a projector;
and the first acquisition unit is used for acquiring the image within the preset range of the mobile terminal according to the first position information.
Optionally, the system further comprises:
and the first rejection module is used for rejecting the first access request of the mobile terminal after determining that the first password is wrong based on the password and the authority list.
Optionally, the system further comprises:
the disconnection module is used for disconnecting the mobile terminal;
a second receiving module, configured to receive a second access request sent by the mobile terminal, where the second access request includes a second password;
the first permission query module is used for establishing connection with the mobile terminal based on a wireless local area network after determining that the second password is correct based on the password and the permission list; the second password is one of the access passwords, and the second password is different from the first password;
the second acquisition module is used for acquiring the projector control authority corresponding to the second password based on the password and the authority list and acquiring images within a preset range of the mobile terminal;
and the second correction module is used for correcting the angle of the projector according to the control authority of the projector after determining that the image in the preset range has the portrait image.
Optionally, the second acquisition module specifically includes:
the second receiving unit is used for acquiring projector control authority corresponding to the second password based on the password and the authority list;
a second determining unit, configured to determine first location information of the mobile terminal that sent the second access request with respect to a projector;
and the second acquisition unit is used for acquiring the image within the preset range of the mobile terminal according to the second position information.
Optionally, the system further comprises:
and the second rejection module is used for rejecting the second access request of the mobile terminal after determining that the second password is wrong based on the password and the authority list.
Optionally, the system further comprises:
the identity code acquisition module is used for receiving the international mobile equipment identity code of the mobile terminal;
the remote distribution module is used for determining the identity of the mobile terminal according to the international mobile equipment identity code and based on a remote authority list, and when the identity is the first identity, the remote distribution module is distributed to the mobile terminal to remotely control the authority of the projector; wherein the identities are the first identity and the second identity.
Optionally, the first identity is that the projector is allowed to be remotely controlled, and the second identity is that the projector is not allowed to be remotely controlled.
The invention also provides a projector angle correction control method, which comprises the following steps:
receiving a first access request sent by a mobile terminal, wherein the first access request comprises a first password;
after the first password is determined to be correct based on the password and the authority list, connection is established with the mobile terminal based on a wireless local area network; the password and permission list comprises a plurality of access passwords which can be judged to be correct, the first password is one of the access passwords, different access passwords correspond to different projector control permissions, and the projector control permission is a projection angle of a projector;
acquiring projector control authority corresponding to the first password based on the password and the authority list, and acquiring images in a preset range of the mobile terminal;
and after determining that the image in the preset range has the portrait image, correcting the angle of the projector according to the control authority of the projector.
Optionally, after determining that the image in the preset range has the portrait image and correcting the angle of the projector according to the control authority of the projector, the method further includes the following steps:
disconnecting from the mobile terminal;
receiving a second access request sent by the mobile terminal, wherein the second access request comprises a second password;
after the second password is determined to be correct based on the password and the authority list, connection is established with the mobile terminal based on a wireless local area network; the second password is one of the access passwords, and the second password is different from the first password;
acquiring projector control authority corresponding to the second password based on the password and the authority list, and acquiring images in a preset range of the mobile terminal;
and after determining that the image in the preset range has the portrait image, correcting the angle of the projector according to the control authority of the projector.
The invention also provides an electronic device, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor executes the program to realize the steps of any one of the projector angle correction control methods.
The present invention also provides a non-transitory computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the projector angle correction control method as described in any of the above.
From the above, it can be seen that the projector angle correction control system provided by the present invention allocates different projector control permissions to users of mobile terminals according to passwords input by users of the mobile terminals, and corrects the projection angles of the projectors according to the positions of the mobile terminals currently connected to the projectors, so that users can input different passwords, thereby obtaining different projection effects, solving the defect that users adjust the projectors by manually correcting the projector parameters or the projector placement positions, which is inconvenient in the prior art, realizing full-automatic control of the angles of the projectors to correct the projected images, realizing connection between the mobile terminals and the projectors based on the wireless local area network, realizing control of the projection angles of the projectors based on the wireless local area network, and having low cost and high controllability of angle correction, and realizing different correction angles according to different user identities.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a first schematic structural diagram of a projector angle correction control system according to the present invention;
FIG. 2 is a schematic structural diagram of a second exemplary embodiment of a projector angle correction control system according to the present invention;
FIG. 3 is a schematic structural diagram of a first acquisition module in the projector angle correction control system according to the present invention;
FIG. 4 is a third schematic structural diagram of a projector angle correction control system according to the present invention;
FIG. 5 is a schematic structural diagram of a second acquisition module in the projector angle correction control system according to the present invention;
FIG. 6 is a fourth schematic structural diagram of the projector angle correction control system of the present invention;
FIG. 7 is a fifth schematic structural diagram of an angle correction control system of a projector according to the present invention;
FIG. 8 is a first flowchart illustrating a method for controlling angle correction of a projector according to the present invention;
FIG. 9 is a second flowchart illustrating a method for controlling angle rectification of a projector according to the present invention;
fig. 10 is a flowchart illustrating a specific process of step S300 in the method for controlling angle correction of a projector according to the present invention;
FIG. 11 is a third schematic flowchart of a projector angle correction control method according to the present invention;
fig. 12 is a flowchart illustrating a specific process of step S800 in the projector angle correction control method according to the present invention;
FIG. 13 is a fourth flowchart illustrating a method for controlling angle rectification of a projector according to the present invention;
FIG. 14 is a fifth flowchart illustrating a method for controlling angle correction of a projector according to the present invention;
fig. 15 is a schematic structural diagram of an electronic device provided in the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
It is to be noted that technical terms or scientific terms used in the embodiments of the present invention should have the ordinary meanings as understood by those having ordinary skill in the art to which the present disclosure belongs, unless otherwise defined. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
As a preferred embodiment of the present invention, there is provided a projector angle correction control system including:
the mobile terminal comprises a first receiving module, a second receiving module and a sending module, wherein the first receiving module is used for receiving a first access request sent by the mobile terminal, and the first access request comprises a first password;
the first permission query module is used for establishing connection with the mobile terminal based on a wireless local area network after determining that the first password is correct based on the password and the permission list; the password and permission list comprises a plurality of access passwords which can be judged to be correct, the first password is one of the access passwords, different access passwords correspond to different projector control permissions, and the projector control permission is a projection angle of a projector;
the first acquisition module is used for acquiring the projector control authority corresponding to the first password based on the password and the authority list and acquiring images within a preset range of the mobile terminal;
and the first correction module is used for correcting the angle of the projector according to the control authority of the projector after determining that the image in the preset range has the portrait image.
The invention also provides a projector angle correction control method, which comprises the following steps:
receiving a first access request sent by a mobile terminal, wherein the first access request comprises a first password;
after the first password is determined to be correct based on the password and the authority list, connection is established with the mobile terminal based on a wireless local area network; the password and permission list comprises a plurality of access passwords which can be judged to be correct, the first password is one of the access passwords, different access passwords correspond to different projector control permissions, and the projector control permission is a projection angle of a projector;
acquiring projector control authority corresponding to the first password based on the password and the authority list, and acquiring images in a preset range of the mobile terminal;
and after determining that the image in the preset range has the portrait image, correcting the angle of the projector according to the control authority of the projector.
By the projector angle correction control system and the projector angle correction control method, different projector control authorities are distributed to the user of the mobile terminal according to the password input by the user of the mobile terminal, and the projection angle of the projector is corrected according to the position of the mobile terminal which is connected with the projector at present, so that the user can input different passwords, thereby obtaining different projection effects, solving the problems that in the prior art, a user can correct the parameters of the projector or the arrangement position of the projector by hand, the projector is adjusted, the defect of inconvenience is realized, the angle of the projector is controlled automatically to correct the projected image, meanwhile, the mobile terminal is connected with the projector based on the wireless local area network, the projection angle of the projector can be controlled based on the wireless local area network, the angle correction cost is low, the controllability is high, and different correction angles can be realized according to different user identities.
The following describes a preferred embodiment of the system and method for controlling angle correction of a projector according to the present invention with reference to the accompanying drawings.
Referring to fig. 1, the projector angle correction control system is applied to the angle correction of a projector, and it can be understood that a projector to which the angle correction control system can be applied has an angle adjusting component for adjusting the projection orientation of the projector to correct the projection angle, and the angle correction control system includes:
the first receiving module 10 is configured to receive a first access request sent by a mobile terminal, where the first access request includes a first password.
The first permission query module 20 is configured to establish a connection with the mobile terminal based on the wireless local area network after determining that the first password is correct based on the password and the permission list; the password and permission list comprises a plurality of access passwords which can be judged to be correct, the first password is one of the access passwords, different access passwords correspond to different projector control permissions, and the projector control permission is the projection angle of the projector.
In this embodiment, the connection between the mobile terminal and the projector is established based on a Wireless Local Area Network (WLAN), and preferably, the connection between the mobile terminal and the projector may be established through a Wireless Fidelity (WiFi) in the WLAN technology. For example, a WiFi signal is sent through the router, the projector searches for the WiFi signal, and establishes a connection with the WiFi signal, and similarly, the mobile terminal also searches for the WiFi signal, so as to establish a connection with the WiFi signal, that is, a connection with the projector.
And the first acquisition module 30 is configured to acquire the projector control permission corresponding to the first password based on the password and the permission list, and acquire an image within a preset range of the mobile terminal.
When the projector receives the first password input by the user, the projector establishes a WiFi connection with the mobile terminal according to the first password, and when a description is needed, because the password and permission list includes a plurality of access passwords that can be judged to be correct, the first password is one of the access passwords, and different access passwords correspond to different projector control permissions, for example, the password and permission list includes a password 1, a password 2, a password 3, a password 4, a password N, and the like, the passwords are different, and each password corresponds to the identity of the mobile terminal user one to one and also corresponds to different projector control permissions, so that the identities of different users can have different projector control permissions, for example, when the mobile terminal user is a master speaker, the password 1 can be input to carry out wireless local area network connection, and a user who sets the mobile terminal can adjust the projection angle, so that the projector has the projection angle of a speaker and can carry out angle control and projection content switching on the projector at any time; when the user of the mobile terminal is a talkback person, the password 2 can be input to carry out wireless local area network connection, and the user who sets the mobile terminal can adjust the projection angle, so that the projector has the projection angle of the talkback person and can carry out angle control and projection content switching on the projector after multiple confirmation of the talkback person; when the mobile terminal user is a speaker, the mobile terminal user can input the password 3 to connect the wireless local area network, and the projection angle can be adjusted after the speaker and the auxiliary speaker allow the user to set the mobile terminal, so that the projector has the projection angle of the speaker.
And the first correction module 40 is used for correcting the angle of the projector according to the control authority of the projector after determining that the image in the preset range has the portrait image.
The projector angle correction control system can send corresponding prompt information to prompt corresponding personnel to put in place after determining that the image in the preset range does not have the portrait image, and then correct the angle of the projector according to the projector control authority after determining that the image in the preset range has the portrait image.
Since the persons participating in the presentation may be located in front of and behind the projection of the projector, i.e. in front of and behind the projection lens of the projector, a respective image acquisition assembly may be arranged in front of and behind the projection lens.
The projector angle correction control system of the invention distributes different projector control authorities to the user of the mobile terminal according to the password input by the user of the mobile terminal, and the projection angle of the projector is corrected according to the position of the mobile terminal which is connected with the projector at present, so that the user can input different passwords, thereby obtaining different projection effects, solving the problems that in the prior art, a user can correct the parameters of the projector or the arrangement position of the projector by hand, the projector is adjusted, the defect of inconvenience is realized, the angle of the projector is controlled automatically to correct the projected image, meanwhile, the mobile terminal is connected with the projector based on the wireless local area network, the projection angle of the projector can be controlled based on the wireless local area network, the angle correction cost is low, the controllability is high, and different correction angles can be realized according to different user identities.
Referring to fig. 2, the system further includes:
and the first rejecting module 50 is configured to reject the first access request of the mobile terminal after determining that the first password is wrong based on the password and the permission list. It should be noted that, as long as the password input by the user is one of the password and the permission list, the mobile terminal may establish a connection with the projector based on the wireless lan; if the password input by the user is not in the password and permission list, the mobile terminal cannot establish connection with the projector based on the wireless local area network, and therefore the first access request of the mobile terminal is rejected.
Referring to fig. 3, the first collecting module 30 specifically includes:
and a first receiving unit 31 configured to acquire the projector control authority corresponding to the first password based on the password and the authority list.
A first determining unit 32, configured to determine first location information of the mobile terminal sending the first access request relative to the projector.
In the present embodiment, the position information is spatial position information of the mobile terminal relative to the projector, and includes an orientation, an angle, spatial coordinates, and the like relative to the projector.
And the first acquisition unit 33 is configured to acquire an image within a preset range of the mobile terminal according to the first position information.
Referring to fig. 4, if it is necessary to disconnect the projector, access a new user and perform angle correction again, the system further includes:
and a disconnection module 60 for disconnecting from the mobile terminal.
A second receiving module 70, configured to receive a second access request sent by the mobile terminal, where the second access request includes a second password.
The first permission query module 80 is configured to establish a connection with the mobile terminal based on the wireless local area network after determining that the second password is correct based on the password and the permission list; the second password is one of the access passwords, and the second password is different from the first password.
And the second acquisition module 90 is configured to acquire the projector control permission corresponding to the second password based on the password and the permission list, and acquire an image within a preset range of the mobile terminal.
And the second correction module 100 is configured to correct the angle of the projector according to the control authority of the projector after determining that the image in the preset range has the portrait image.
Referring to fig. 5, the second collecting module 90 specifically includes:
and a second receiving unit 91, configured to obtain, based on the password and the permission list, a projector control permission corresponding to the second password.
A second determining unit 92 for determining first location information of the mobile terminal sending the second access request with respect to the projector.
And the second collecting unit 93 is configured to collect an image within a preset range of the mobile terminal according to the second position information.
Referring to fig. 6, the system further includes:
and a second rejecting module 110, configured to reject the second access request of the mobile terminal after determining that the second password is incorrect based on the password and the permission list. It should be noted that, as long as the password input by the user is one of the password and the permission list, the mobile terminal may establish a connection with the projector based on the wireless lan; if the password input by the user is not in the password and permission list, the mobile terminal cannot establish connection with the projector based on the wireless local area network, and therefore the first access request of the mobile terminal is rejected.
Referring to fig. 7, the system further includes:
the Identity code obtaining module 120 is configured to receive an International Mobile Equipment Identity (IMEI) of the Mobile terminal. The IMEI is a mark that distinguishes mobile devices, stored in the mobile device, and can be used to monitor stolen or invalid mobile devices. The international mobile equipment identification code is an electronic serial number formed from 15 digits, and is correspondent to every mobile telephone, and said code is unique all over the world. Each mobile telephone, when assembled, is assigned a globally unique set of numbers that are recorded from manufacture to delivery by the manufacturer.
The remote distribution module 130 is used for determining the identity of the mobile terminal according to the international mobile equipment identity code and based on the remote permission list, and distributing the permission of the mobile terminal for remotely controlling the projector when the identity is the first identity; the identity is divided into a first identity and a second identity, the first identity is that the projector is allowed to be remotely controlled, and the second identity is that the projector is not allowed to be remotely controlled.
For example, the first identity may be a main speaker and a sub speaker, and the second identity is a listener, so if the projector control authority allocated to the mobile terminal is that the user can adjust the projection angle, so that the projector has the projection angle of the main speaker and can perform angle control and switching of projection content on the projector at any time, or the projection angle can be adjusted, so that the projector has the projection angle of the sub speaker and can perform angle control and switching of projection content on the projector after multiple confirmations by the main speaker, it indicates that the mobile terminal user is the main speaker or the sub speaker, and at this time, the IMEI allocated to the mobile terminal can perform remote control of the projector under the network such as telecommunications; if the projector control authority assigned to the mobile terminal is the authority which can adjust the projection angle after the permission of the main speaker and the auxiliary speaker, the mobile terminal user is the listener, and the IMEI cannot be assigned to the mobile terminal to remotely control the projector under the network such as telecommunication.
Referring to fig. 8, the method for controlling projector angle correction is applied to the projector angle correction, and it can be understood that the projector capable of applying the method for controlling projector angle correction has an angle adjusting component to adjust the projection orientation of the projector to correct the projection angle, and the method for controlling projector angle correction includes the following steps:
s100, receiving a first access request sent by the mobile terminal, wherein the first access request comprises a first password.
S200, after the first password is determined to be correct based on the password and the authority list, connection is established with the mobile terminal based on the wireless local area network; the password and permission list comprises a plurality of access passwords which can be judged to be correct, the first password is one of the access passwords, different access passwords correspond to different projector control permissions, and the projector control permission is the projection angle of the projector.
In this embodiment, the connection between the mobile terminal and the projector is established based on a Wireless Local Area Network (WLAN), and preferably, the connection between the mobile terminal and the projector may be established through a Wireless Fidelity (WiFi) in the WLAN technology. For example, a WiFi signal is sent through the router, the projector searches for the WiFi signal, and establishes a connection with the WiFi signal.
S300, acquiring projector control authority corresponding to the first password based on the password and the authority list, and acquiring images in a preset range of the mobile terminal.
When the projector receives the first password input by the user, the projector establishes a WiFi connection with the mobile terminal according to the first password, and when a description is needed, because the password and permission list includes a plurality of access passwords that can be judged to be correct, the first password is one of the access passwords, and different access passwords correspond to different projector control permissions, for example, the password and permission list includes a password 1, a password 2, a password 3, a password 4, a password N, and the like, the passwords are different, and each password corresponds to the identity of the mobile terminal user one to one and also corresponds to different projector control permissions, so that the identities of different users can have different projector control permissions, for example, when the mobile terminal user is a master speaker, the mobile terminal can input a password 1 to carry out wireless local area network connection, a user who sets the mobile terminal can adjust a projection angle, so that the projector has the projection angle of a speaker and can carry out angle control and projection content switching on the projector at any time, when the mobile terminal user is a vice speaker, the user who sets the mobile terminal can input a password 2 to carry out wireless local area network connection, and the user who sets the mobile terminal can adjust the projection angle, so that the projector has the projection angle of the vice speaker and can carry out angle control and projection content switching on the projector after multiple confirmation of the speaker; when the mobile terminal user is a speaker, the mobile terminal user can input the password 3 to connect the wireless local area network, and the projection angle can be adjusted after the speaker and the auxiliary speaker allow the user to set the mobile terminal, so that the projector has the projection angle of the speaker.
And S400, after the image in the preset range is determined to have the portrait image, correcting the angle of the projector according to the control authority of the projector.
According to the projector angle correction control method, after the fact that the image in the preset range does not have the portrait image is determined, corresponding prompt information is sent to prompt corresponding personnel to be in place, and then after the fact that the image in the preset range has the portrait image is determined, the angle of the projector is corrected according to the projector control authority.
Since the persons participating in the presentation may be located in front of and behind the projection of the projector, i.e. in front of and behind the projection lens of the projector, a respective image acquisition assembly may be arranged in front of and behind the projection lens.
The projector angle correction control method of the invention distributes different projector control authorities to the user of the mobile terminal according to the password input by the user of the mobile terminal, and the projection angle of the projector is corrected according to the position of the mobile terminal which is connected with the projector at present, so that the user can input different passwords, thereby obtaining different projection effects, solving the problems that in the prior art, a user can correct the parameters of the projector or the arrangement position of the projector by hand, the projector is adjusted, the defect of inconvenience is realized, the angle of the projector is controlled automatically to correct the projected image, meanwhile, the mobile terminal is connected with the projector based on the wireless local area network, the projection angle of the projector can be controlled based on the wireless local area network, the angle correction cost is low, the controllability is high, and different correction angles can be realized according to different user identities.
Referring to fig. 9, the method further includes the following steps:
s210, after the first password is determined to be wrong based on the password and the authority list, the first access request of the mobile terminal is refused. It should be noted that, as long as the password input by the user is one of the password and the permission list, the mobile terminal may establish a connection with the projector based on the wireless lan; if the password input by the user is not in the password and permission list, the mobile terminal cannot establish connection with the projector based on the wireless local area network, and therefore the first access request of the mobile terminal is rejected.
Referring to fig. 10, step S300 specifically includes the following steps:
and S310, acquiring projector control authority corresponding to the first password based on the password and the authority list.
S320, determining first position information of the mobile terminal sending the first access request relative to the projector.
In the present embodiment, the position information is spatial position information of the mobile terminal relative to the projector, and includes an orientation, an angle, spatial coordinates, and the like relative to the projector.
And S330, acquiring an image within a preset range of the mobile terminal according to the first position information.
Referring to fig. 11, if it is necessary to disconnect the projector, access a new user and perform angle correction again, the method further includes the following steps:
and S500, disconnecting from the mobile terminal.
S600, receiving a second access request sent by the mobile terminal, wherein the second access request comprises a second password.
S700, after the second password is determined to be correct based on the password and the authority list, connection is established with the mobile terminal based on the wireless local area network; the second password is one of the access passwords, and the second password is different from the first password.
And S800, acquiring the projector control authority corresponding to the second password based on the password and the authority list, and acquiring the image in the preset range of the mobile terminal.
And S900, after the image in the preset range is determined to have the portrait image, correcting the angle of the projector according to the control authority of the projector.
Referring to fig. 12, step S800 specifically includes the following steps:
s810, acquiring projector control authority corresponding to the second password based on the password and the authority list;
s820, determining first position information of the mobile terminal which sends the second access request relative to the projector;
and S830, acquiring an image within a preset range of the mobile terminal according to the second position information.
Referring to fig. 13, the method further includes the following steps:
and S710, after the second password is determined to be wrong based on the password and the authority list, rejecting a second access request of the mobile terminal. It should be noted that, as long as the password input by the user is one of the password and the permission list, the mobile terminal may establish a connection with the projector based on the wireless lan; if the password input by the user is not in the password and permission list, the mobile terminal cannot establish connection with the projector based on the wireless local area network, and therefore the first access request of the mobile terminal is rejected.
Referring to fig. 14, the method further includes the following steps:
s1000, receiving an International Mobile Equipment Identity (IMEI) of the Mobile terminal. The IMEI is a mark that distinguishes mobile devices, stored in the mobile device, and can be used to monitor stolen or invalid mobile devices. The international mobile equipment identification code is an electronic serial number formed from 15 digits, and is correspondent to every mobile telephone, and said code is unique all over the world. Each mobile telephone, when assembled, is assigned a globally unique set of numbers that are recorded from manufacture to delivery by the manufacturer.
S1100, determining the identity of the mobile terminal according to the international mobile equipment identity code and based on the remote permission list, and when the identity is a first identity, allocating the permission of the mobile terminal for remotely controlling the projector; the identity is a first identity and a second identity, the first identity is that the projector is allowed to be remotely controlled, and the second identity is that the projector is not allowed to be remotely controlled.
For example, the first identity may be a main speaker and a sub speaker, and the second identity is a listener, so if the projector control authority allocated to the mobile terminal is that the user can adjust the projection angle, so that the projector has the projection angle of the main speaker and can perform angle control and switching of projection content on the projector at any time, or the projection angle can be adjusted, so that the projector has the projection angle of the sub speaker and can perform angle control and switching of projection content on the projector after multiple confirmations by the main speaker, it indicates that the mobile terminal user is the main speaker or the sub speaker, and at this time, the IMEI allocated to the mobile terminal can perform remote control of the projector under the network such as telecommunications; if the projector control authority assigned to the mobile terminal is the authority which can adjust the projection angle after the permission of the main speaker and the auxiliary speaker, the mobile terminal user is the listener, and the IMEI cannot be assigned to the mobile terminal to remotely control the projector under the network such as telecommunication.
Fig. 15 illustrates a physical structure diagram of an electronic device, and as shown in fig. 15, the electronic device may include: a processor (processor)810, a communication Interface 820, a memory 830 and a communication bus 840, wherein the processor 810, the communication Interface 820 and the memory 830 communicate with each other via the communication bus 840. Processor 810 may invoke logic instructions in memory 830 to perform a method of angle correction control, the method comprising the steps of:
s100, receiving a first access request sent by a mobile terminal, wherein the first access request comprises a first password;
s200, after the first password is determined to be correct based on the password and the authority list, connection is established with the mobile terminal based on a wireless local area network; the password and permission list comprises a plurality of access passwords which can be judged to be correct, the first password is one of the access passwords, different access passwords correspond to different projector control permissions, and the projector control permission is a projection angle of a projector;
s300, acquiring projector control authority corresponding to the first password based on the password and the authority list, and acquiring images in a preset range of the mobile terminal;
and S400, after the fact that the image in the preset range has the portrait image is determined, correcting the angle of the projector according to the control authority of the projector.
In addition, the logic instructions in the memory 830 may be implemented in software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product comprising a computer program stored on a non-transitory computer-readable storage medium, the computer program comprising program instructions, which when executed by a computer, enable the computer to perform the angle correction control method provided by the above methods, the method comprising the steps of:
s100, receiving a first access request sent by a mobile terminal, wherein the first access request comprises a first password;
s200, after the first password is determined to be correct based on the password and the authority list, connection is established with the mobile terminal based on a wireless local area network; the password and permission list comprises a plurality of access passwords which can be judged to be correct, the first password is one of the access passwords, different access passwords correspond to different projector control permissions, and the projector control permission is a projection angle of a projector;
s300, acquiring projector control authority corresponding to the first password based on the password and the authority list, and acquiring images in a preset range of the mobile terminal;
and S400, after the fact that the image in the preset range has the portrait image is determined, correcting the angle of the projector according to the control authority of the projector.
In yet another aspect, the present invention also provides a non-transitory computer-readable storage medium having stored thereon a computer program, which when executed by a processor is implemented to perform the angle correction control method provided above, the method comprising the steps of:
s100, receiving a first access request sent by a mobile terminal, wherein the first access request comprises a first password;
s200, after the first password is determined to be correct based on the password and the authority list, connection is established with the mobile terminal based on a wireless local area network; the password and permission list comprises a plurality of access passwords which can be judged to be correct, the first password is one of the access passwords, different access passwords correspond to different projector control permissions, and the projector control permission is a projection angle of a projector;
s300, acquiring projector control authority corresponding to the first password based on the password and the authority list, and acquiring images in a preset range of the mobile terminal;
and S400, after the fact that the image in the preset range has the portrait image is determined, correcting the angle of the projector according to the control authority of the projector.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims (10)

1. A projector angle correction control system, comprising:
the mobile terminal comprises a first receiving module (10) for receiving a first access request sent by the mobile terminal, wherein the first access request comprises a first password;
the first permission query module (20) is used for establishing connection with the mobile terminal based on a wireless local area network after determining that the first password is correct based on the password and the permission list; the password and permission list comprises a plurality of access passwords which can be judged to be correct, the first password is one of the access passwords, different access passwords correspond to different projector control permissions, and the projector control permission is a projection angle of a projector;
the first acquisition module (30) is used for acquiring the projector control authority corresponding to the first password based on the password and the authority list and acquiring images within a preset range of the mobile terminal;
and the first correction module (40) is used for correcting the angle of the projector according to the control authority of the projector after determining that the image in the preset range has the portrait image.
2. The projector angle correction control system according to claim 1, wherein the first acquisition module (30) specifically includes:
a first receiving unit (31) configured to acquire a projector control permission corresponding to the first password based on the password and a permission list;
a first determining unit (32) for determining first location information of the mobile terminal sending the first access request relative to a projector;
and the first acquisition unit (33) is used for acquiring the image within the preset range of the mobile terminal according to the first position information.
3. The projector angle correction control system as claimed in claim 1, further comprising:
and the first rejection module (50) is used for rejecting the first access request of the mobile terminal after determining that the first password is wrong based on the password and the authority list.
4. The projector angle correction control system as claimed in claim 1, further comprising:
a disconnection module (60) for disconnecting from the mobile terminal;
a second receiving module (70) for receiving a second access request sent by the mobile terminal, wherein the second access request includes a second password;
the first permission query module (80) is used for establishing connection with the mobile terminal based on a wireless local area network after the second password is determined to be correct based on the password and the permission list; the second password is one of the access passwords, and the second password is different from the first password;
the second acquisition module (90) is used for acquiring the projector control authority corresponding to the second password based on the password and the authority list and acquiring images within a preset range of the mobile terminal;
and the second correction module (100) is used for correcting the angle of the projector according to the control authority of the projector after determining that the image in the preset range has the portrait image.
5. The projector angle rectification control system as claimed in claim 4, wherein the second acquisition module (90) specifically includes:
a second receiving unit (91) for acquiring projector control authority corresponding to the second password based on the password and the authority list;
a second determining unit (92) for determining first location information of the mobile terminal sending the second access request with respect to a projector;
and the second acquisition unit (93) is used for acquiring the image within the preset range of the mobile terminal according to the second position information.
6. The projector angle correction control system as claimed in claim 4, further comprising:
and the second rejection module (110) is used for rejecting the second access request of the mobile terminal after determining that the second password is wrong based on the password and the authority list.
7. The projector angle correction control system as claimed in claim 1, further comprising:
an identity code acquisition module (120) for receiving an international mobile equipment identity code of the mobile terminal;
the remote distribution module (130) is used for determining the identity of the mobile terminal according to the international mobile equipment identity code and based on a remote authority list, and when the identity is a first identity, the remote distribution module is distributed to the mobile terminal to remotely control the authority of the projector; wherein the identities are the first identity and the second identity.
8. The projector angular rectification control system of claim 7, wherein the first identity is to allow remote control of the projector and the second identity is not to allow remote control of the projector.
9. A projector angle correction control method implemented by the projector angle correction control system according to any one of claims 1 to 8, characterized by comprising the steps of:
receiving a first access request sent by a mobile terminal, wherein the first access request comprises a first password;
after the first password is determined to be correct based on the password and the authority list, connection is established with the mobile terminal based on a wireless local area network; the password and permission list comprises a plurality of access passwords which can be judged to be correct, the first password is one of the access passwords, different access passwords correspond to different projector control permissions, and the projector control permission is a projection angle of a projector;
acquiring projector control authority corresponding to the first password based on the password and the authority list, and acquiring images in a preset range of the mobile terminal;
and after determining that the image in the preset range has the portrait image, correcting the angle of the projector according to the control authority of the projector.
10. The projector angle correction control method according to claim 9, wherein after determining that the image within the preset range has the portrait image and correcting the projector angle according to the projector control authority, the method further comprises:
disconnecting from the mobile terminal;
receiving a second access request sent by the mobile terminal, wherein the second access request comprises a second password;
after the second password is determined to be correct based on the password and the authority list, connection is established with the mobile terminal based on a wireless local area network; the second password is one of the access passwords, and the second password is different from the first password;
acquiring projector control authority corresponding to the second password based on the password and the authority list, and acquiring images in a preset range of the mobile terminal;
and after determining that the image in the preset range has the portrait image, correcting the angle of the projector according to the control authority of the projector.
CN202110774410.1A 2021-07-08 2021-07-08 Projector angle correction control system and method Active CN113452979B (en)

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