CN113542704A - A mobile projection system - Google Patents
A mobile projection system Download PDFInfo
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- CN113542704A CN113542704A CN202110588121.2A CN202110588121A CN113542704A CN 113542704 A CN113542704 A CN 113542704A CN 202110588121 A CN202110588121 A CN 202110588121A CN 113542704 A CN113542704 A CN 113542704A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F40/00—Handling natural language data
- G06F40/40—Processing or translation of natural language
- G06F40/58—Use of machine translation, e.g. for multi-lingual retrieval, for server-side translation for client devices or for real-time translation
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/26—Speech to text systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/3147—Multi-projection systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
- H04N9/3185—Geometric adjustment, e.g. keystone or convergence
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
- G10L2015/223—Execution procedure of a spoken command
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Abstract
本发明适用于视觉处理技术领域，提供一种移动投影系统，包括终端和多方位投影仪，多方位投影仪包括影像投影控制器，影像投影模块和投影方向识别模块，所述投影方向识别模块用于识别用户观影方向，投影方向识别模块确定影像投影模块的投影方向后，影像投影控制器控制影像投影模块朝向投影方向进行投影，投影方向为用户观影方向。终端用于采集、发送屏显数据至所述多方位投影仪投影播放。用户通过多方位投影仪实时移动投影终端静态或动态采集的屏显数据，实现了屏显数据采集端与屏显数据投影播放端的任一实时动态移动式观影，并不被空间所局限，扩大了观影的空间范围，提高了用户观影的灵活性，降低了克服移动观影服务的人力成本。
The present invention is applicable to the technical field of visual processing, and provides a mobile projection system, including a terminal and a multi-directional projector. The multi-directional projector includes an image projection controller, an image projection module and a projection direction identification module. The projection direction identification module is used for After identifying the user's viewing direction, the projection direction identifying module determines the projection direction of the image projection module, and the image projection controller controls the image projection module to project toward the projection direction, and the projection direction is the user's viewing direction. The terminal is used for collecting and sending screen display data to the multi-directional projector for projection and playback. The user can move the screen display data statically or dynamically collected by the projection terminal in real time through the multi-directional projector, so as to realize any real-time dynamic mobile viewing of the screen display data acquisition end and the screen display data projection and playback end. The scope of space for viewing movies is improved, the flexibility of users for viewing movies is improved, and the labor cost of overcoming mobile movie viewing services is reduced.
Description
Technical Field
The invention relates to the technical field of visual processing, in particular to a mobile projection system.
Background
The current film watching modes comprise static film watching and movable film watching, wherein the static film watching mode mainly comprises three modes, one mode is common television film watching, the other mode is the mode of combining a projector and a curtain, and the other mode is the mode of erecting a plurality of projectors and a plurality of curtains to form a projection space so as to present the multi-dimensional space visual effect. Present portable sight shadow is applied to virtual reality technical field, mainly through wearing the intelligent glasses that have stored panoramic image, carries out the portable sight shadow of virtual reality formula.
The static film watching using the television screen has the defect of space limitation, and the flexibility of using the product by a user during activities is limited, and if the defect of static film watching is overcome, the problem can be solved only by manually moving the television screen. Compared with the television viewing, the projector and the curtain need to be erected and used in a larger space, and if the defect of limitation of a static viewing space is overcome, more manpower is consumed to move the projector and the curtain to solve the problem.
The intelligent glasses realize virtual reality type mobile film watching, need panoramic film source support, and have special requirements on film watching content formats compared with static film watching. And use the closely contact of intelligent glasses to see the shadow, see the shadow for a long time and can cause the influence to user's eyesight, can not satisfy the crowd and see the shadow demand simultaneously moreover.
Disclosure of Invention
The invention provides a mobile projection system, aiming at solving the problems of limited flexibility and limited film viewing space when the existing user views a film.
The invention provides a mobile projection system, which comprises a terminal and a multi-azimuth projector, wherein the terminal is in communication connection with the multi-azimuth projector, the multi-azimuth projector comprises an image projection controller, an image projection module and a projection direction identification module, the projection direction identification module is used for identifying the viewing direction of a user, the image projection module is used for projecting, the image projection controller is connected with the image projection module and is used for controlling the image projection module to project, the image projection controller is connected with the projection direction identification module, after the projection direction identification module determines the projection direction of the image projection module, the image projection controller controls the image projection module to project towards the projection direction, the projection direction is the viewing direction of the user, and the terminal is used for sending an instruction to the image projection controller, the image projection controller is further used for controlling the multi-directional projector according to the instruction, and the terminal is further used for collecting and sending screen display data to the multi-directional projector and controlling the multi-directional projector to project and play the screen display data.
Optionally, in the mobile projection system provided by the present invention, the terminal communicates with the multi-directional projector. The terminal can communicate with the multi-azimuth projector remotely or realize near field communication.
Optionally, in the mobile projection system provided by the present invention, the terminal communicates with the multi-directional projector. The terminal may be in wired or wireless communication with the multi-aspect projector.
Optionally, in the mobile projection system provided by the present invention, the terminal communicates with the multi-directional projector. The terminal can receive projection background data or projection main body data sent by other terminals, acquire terminal image data, synthesize the image data acquired by the terminal with the projection background data (or the projection main body data) to generate a synthesized image, and then send the synthesized image to the multi-directional projector for projection.
Optionally, in the mobile projection system provided by the present invention, the terminal communicates with the multi-directional projector. And the terminal controls the projection of the multi-azimuth projector by sending an instruction to the multi-azimuth projector. The variety of commands is varied to achieve a variety of control functions. Optionally, the terminal may send a play instruction to control the multi-directional projector to perform projection play. Optionally, the terminal may send a pause instruction to control the multi-directional projector to pause the projection playing. Optionally, the terminal may send a projection switching instruction to control the multi-directional projector to switch the current projection content, for example, to switch to the previous projection playing content, or to switch to the next projection playing content. Optionally, the terminal may send a play instruction including the projection data, and play the projection data included in the play instruction. Optionally, the terminal may send a sound control instruction to control the sound volume played by the multi-aspect projector.
Optionally, the instruction sent by the terminal may be a voice instruction or a behavior control instruction, or may be a text instruction.
Optionally, when the instruction sent by the terminal is a voice instruction, the multi-directional projector detects whether the voice in the received voice instruction is the voice corresponding to the default language, if so, the voice instruction is directly executed, and if not, the instruction is executed after the voice instruction is translated into the voice instruction corresponding to the default language.
Optionally, when the instruction sent by the terminal is a text instruction, the multi-directional projector detects whether the text in the received text instruction is the text corresponding to the default language, if so, the text instruction is directly executed, and if not, the text instruction is translated into the text instruction corresponding to the default language and then the instruction is executed.
Optionally, the terminal sends an instruction to control the multi-directional projector, and the multi-directional projector is mainly controlled by an image projection controller of the multi-directional projector.
Optionally, the multi-directional projector may adaptively select the size of the projection area according to the projection content to be played, that is, may adaptively select the size of the projection interface, where the projection interface is the projection area.
Optionally, the multi-directional projector may detect a projection area around the viewing user that meets the projection medium standard, and select a projection area corresponding to the projection content to be played for playing. Before playing, a projection area determining playing request can be sent to a user for determination, and the user can play the video after determination.
Optionally, the multi-directional projector may detect a distance and an angle of a projection area initially selected by a viewing user, detect a projection area around the viewing user that meets the standard of a projection medium, and select or adjust the projection area within the standard viewing range of the viewing user to perform projection. Before playing, a projection area determining playing request can be sent to a user for determination, and the user can play the video after determination.
Optionally, the multi-directional projector may detect the number level of the film viewing users, and adjust the size of the film viewing area according to the number level of the film viewing users.
Optionally, the multi-directional projector may detect a group distribution of viewing users, determine a main viewing group, and select a projection area in a viewing direction of the main viewing group as a default viewing area.
Optionally, the multi-directional projector may detect a group distribution of viewing users, determine a primary viewing group and a secondary viewing group, select a projection area in a viewing direction corresponding to the primary viewing group as a primary projection area, and select a projection area in a viewing direction corresponding to the secondary viewing group as a secondary projection area.
Optionally, when the multi-azimuth projector detects that the secondary viewing group and the primary viewing group are combined into an overall viewing group, the viewing direction of the overall viewing group is selected as the projection area.
Alternatively, in the mobile projection system, the number of multi-azimuth projectors may be one or two or three or more. In the mobile projection system, one or a plurality of multi-directional projectors can communicate with the same terminal and are controlled by the instruction of the same terminal, and can also communicate with one terminal respectively, and each multi-directional projector is controlled by the instruction of the corresponding communication terminal.
Optionally, the multi-directional projector may perform frequency division projection in the viewing area in the viewing direction to play the plurality of image data sent by the same terminal, or may perform frequency division projection in the viewing area in the viewing direction to play the plurality of image data sent by different terminals.
Optionally, the multi-directional projector is configured to start projecting and playing the image data according to a set timing. And acquiring the image data stream to be played before timing is finished. Optionally, the image data stream may be actively acquired, or the image data stream may be passively acquired by sending an acquisition request.
According to the mobile projection system provided by the invention, the terminal can acquire and send the screen display data to the multi-directional projector for projection, so that the real-time projection and play of the data acquired by the user mobile control terminal and the real-time projection and play of the data acquired by the user static control terminal are realized, and the real-time dynamic mobile viewing of the screen display data acquisition end and the screen display data projection and play end is realized by the user through the screen display data acquired by the multi-directional projector and moving the viewing terminal in real time.
The invention provides a mobile projection system, which aims to solve the problems that a user can watch a film in real time while moving to process other matters, the film is not limited by space, and the space range of film watching is expanded.
The mobile projection system provided by the invention improves the flexibility of film watching of a user and reduces the labor cost for overcoming mobile film watching service.
The mobile projection system provided by the invention does not need the support of a panoramic film source, and has no requirement on the format of film viewing content compared with virtual reality film viewing. And the film watching terminals such as intelligent glasses and the like do not need to be used for close-distance contact film watching, so that the risk of influence on the vision of the user caused by long-time film watching is reduced.
The mobile projection system provided by the invention can realize the technical scheme that the viewing direction needs to be changed when people view the film, solves the problem that the viewing direction cannot be changed in real time when people view the film, and improves the interest and the vividness of the film viewing.
The mobile projection system provided by the invention can be applied to various mobile film watching scenes, such as single dance or collective dance mobile teaching film watching, can also be applied to interesting mobile film watching, can also be applied to outdoor mobile meeting film watching, can also be applied to mobile KTV display projection, and can also be applied to remote projection guidance during outdoor activities. In the mobile projection system provided by the invention, the terminal or the multi-directional projector can move, the projection medium can also move, the flexibility of adjusting the viewing space is further increased, and the terminal, the multi-directional projector and the projection medium can receive a movement instruction sent by a control terminal or a user voice or limbs before moving and move according to a preset navigation route or a self-adaptive navigation route.
In the mobile projection system provided by the invention, the terminal and the multi-azimuth projector can be integrated or can be arranged separately.
In the mobile projection system provided by the invention, the image projection controller, the image projection module and the projection direction identification module can be integrated or can be freely combined.
Optionally, the projection direction identification module includes a multi-directional user image acquisition module and a projection direction calculation module, the multi-directional user image acquisition module is used for acquiring and identifying user images, the projection direction calculation module is connected with the multi-directional user image acquisition module, and the projection direction calculation module is connected with the image projection controller and used for calculating the user viewing direction according to the user images.
In the mobile projection system provided by the invention, the image projection controller, the image projection module, the multi-direction user image acquisition module and the projection direction calculation module can be integrated or can be freely combined.
Optionally, the terminal is one of a wearable control terminal, a mobile phone, a PC, an unmanned aerial vehicle, a wearable camera, and a panoramic acquisition device.
Optionally, the terminal is further configured to send the on-screen display data to the other communication terminals for playing.
Optionally, the on-screen display data includes image data, text data, image data, video data, audio/video data, and text data for audio conversion.
Optionally, the terminal is further configured to communicate with other communication terminals and receive communication data sent by the other communication terminals, the terminal is further configured to send the communication data sent by the other communication terminals to the multi-directional projector, the multi-directional projector is further configured to project and play the communication data sent by the other communication terminals, and the communication data includes image data, text data, image data, video data, audio/video data, and text data for audio conversion.
Optionally, the communication data is screen display data acquired by the other communication terminals in real time, and the terminal is further configured to control the multi-aspect projector to project and play the screen display data to a user in real time.
Optionally, the communication data further includes voice data, and the terminal is further configured to control the multi-directional projector to project, in real time, text data converted according to the voice data to a user.
In the mobile projection system provided by the invention, a user carries out real-time projection conversation through a video which is received by a terminal and is acquired by the other side in real time. The problem that the projection communication cannot be moved in real time in the current voice communication field is solved, and the film watching communication quality of a user is improved.
Optionally, the multi-directional user image acquisition module is further configured to acquire a user image in real time during a user moving process, the projection direction calculation module is further configured to calculate a moving viewing direction of the user during the user moving process according to the user image acquired in real time, and the image projection controller controls the image projection module to project towards the viewing direction according to the moving viewing direction.
Optionally, the multi-directional projector is carried on the mobile carrier, and the multi-directional projector is further configured to collect images of the user in real time during the movement of the user, determine that the movement of the user exceeds a projection range of the multi-directional projector, determine a navigation route corresponding to a standard viewing effect of a position where the user is located, and control the mobile carrier to move to the position where the user is located according to the navigation route.
According to the mobile projection system provided by the invention, the multi-azimuth projector is borne on the mobile carrier, so that the projection range can be changed, the problem of how to realize real-time mobile projection when a user moves is further solved, and the flexibility of mobile film watching of the user is further expanded.
Optionally, the multi-directional projector is further configured to project text information in a predetermined language translated from the voice information for projection and play.
Optionally, the multi-directional projector is further configured to project text information in a predetermined language translated by the voice in the voice call for projection and play.
The invention provides a mobile projection system, which comprises a terminal and a multi-azimuth projector, wherein the terminal is in communication connection with the multi-azimuth projector, the multi-azimuth projector comprises an image projection controller, an image projection module and a projection direction identification module, the projection direction identification module is used for identifying the viewing direction of a user, the image projection module is used for projecting, the image projection controller is connected with the image projection module and is used for controlling the image projection module to project, the image projection controller is connected with the projection direction identification module, after the projection direction identification module determines the projection direction of the image projection module, the image projection controller controls the image projection module to project towards the projection direction, the projection direction is the viewing direction of the user, and the terminal is used for sending an instruction to the image projection controller, the image projection controller is further used for controlling the multi-directional projector according to the instruction, and the terminal is further used for collecting and sending screen display data to the multi-directional projector and controlling the multi-directional projector to project and play the screen display data.
According to the mobile projection system provided by the invention, the terminal can acquire and send the screen display data to the multi-directional projector for projection, so that the real-time projection and play of the data acquired by the user mobile control terminal and the real-time projection and play of the data acquired by the user static control terminal are realized, and the real-time dynamic mobile viewing of the screen display data acquisition end and the screen display data projection and play end is realized by the user through the screen display data acquired by the multi-directional projector and moving the viewing terminal in real time.
The invention provides a mobile projection system, which aims to solve the problems that a user can watch a film in real time while moving to process other matters, the film is not limited by space, and the space range of film watching is expanded.
The mobile projection system provided by the invention improves the flexibility of film watching of a user and reduces the labor cost for overcoming mobile film watching service.
The mobile projection system provided by the invention does not need the support of a panoramic film source, and has no requirement on the format of film viewing content compared with virtual reality film viewing. And the film watching terminals such as intelligent glasses and the like do not need to be used for close-distance contact film watching, so that the risk of influence on the vision of the user caused by long-time film watching is reduced.
The mobile projection system provided by the invention can realize the technical scheme that the viewing direction needs to be changed when people view the film, solves the problem that the viewing direction cannot be changed in real time when people view the film, and improves the interest and the vividness of the film viewing.
Drawings
FIG. 1 is a block diagram of a mobile projection system according to an embodiment of the present invention;
FIG. 2 is a block diagram of a mobile projection system according to another embodiment of the present invention;
FIG. 3 is a block diagram of a mobile projection system according to another embodiment of the present invention;
fig. 4 is a block diagram of a mobile projection system according to another embodiment of 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 the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention is suitable for the technical field of visual processing, and provides a mobile projection system which comprises a terminal 10 and a multi-azimuth projector, wherein the multi-azimuth projector comprises an image projection controller, an image projection module and a projection direction identification module, the projection direction identification module is used for identifying the viewing direction of a user, after the projection direction identification module determines the projection direction of the image projection module, the image projection controller controls the image projection module to project towards the projection direction, and the projection direction is the viewing direction of the user. The terminal 10 is used for collecting and sending the screen display data to the multi-azimuth projector for projection and play. The user realizes any real-time dynamic mobile film watching of the screen display data acquisition end and the screen display data projection playing end through the screen display data acquired statically or dynamically by the multi-azimuth projector real-time mobile projection terminal 10, is not limited by space, enlarges the space range of film watching, improves the flexibility of film watching of the user, and reduces the labor cost for overcoming mobile film watching service.
As shown in fig. 1, the present invention provides a mobile projection system, which includes a terminal 10 and a multi-directional projector 11, wherein the terminal 10 is communicatively connected to the multi-directional projector 11.
In fig. 1, the multi-directional projector 11 includes an image projection controller 111, an image projection module 112 and a projection direction identification module 113.
The projection direction identification module 113 is configured to identify a viewing direction of a user, the image projection module 112 is configured to perform projection, the image projection controller 111 is connected to the image projection module 112, and the image projection controller 111 is configured to control the image projection module 112 to perform projection.
The image projection controller 111 is connected to the projection direction identification module 113, and after the projection direction identification module 113 determines the projection direction of the image projection module 112, the image projection controller 111 controls the image projection module 112 to project toward the projection direction, which is the viewing direction of the user.
The terminal 10 is configured to send an instruction to the image projection controller 111, and the image projection controller 111 is further configured to control the multi-directional projector 11 according to the instruction.
The terminal 10 is further configured to acquire and send screen display data to the multi-directional projector 11, and control the multi-directional projector 11 to project and play the screen display data.
According to the mobile projection system provided by the invention, the terminal 10 can acquire and send the screen display data to the multi-position projector 11 for projection, so that the real-time projection and play of the data acquired by the user mobile control terminal 10 and the real-time projection and play of the data acquired by the user static control terminal 10 are realized, and the real-time dynamic mobile viewing of the screen display data acquisition end and the screen display data projection and play end is realized by the user through the multi-position projector 11 to move the screen display data acquired by the screen display data acquisition terminal 10 in real time.
Optionally, in the mobile projection system provided by the present invention, the terminal 10 is in communication with the multi-directional projector 11. The terminal 10 may communicate remotely with the multi-aspect projector 11 or, alternatively, may communicate in close proximity.
Optionally, in the mobile projection system provided by the present invention, the terminal 10 is in communication with the multi-directional projector 11. The terminal 10 may be in wired or wireless communication with the multi-aspect projector 11.
Optionally, in the mobile projection system provided by the present invention, the terminal 10 is in communication with the multi-directional projector 11. The terminal 10 may receive the projection background data or the projection subject data sent by another terminal 10, acquire the image data of the terminal 10, synthesize the image data acquired by the terminal 10 with the projection background data (or the projection subject data), generate a synthesized image, and send the synthesized image to the multi-aspect projector 11 for projection.
Optionally, in the mobile projection system provided by the present invention, the terminal 10 is in communication with the multi-directional projector 11. The terminal 10 controls the projection of the multi-directional projector 11 by sending an instruction to the multi-directional projector 11. The variety of commands is varied to achieve a variety of control functions. Optionally, the terminal 10 may send a playing instruction to control the multi-directional projector 11 to perform projection playing. Optionally, the terminal 10 may send a pause instruction to control the multi-directional projector 11 to pause the projection playing. Alternatively, the terminal 10 may send a projection switching instruction to control the multi-directional projector 11 to switch the current projection content, for example, to the previous projection playing content or to the next projection playing content. Optionally, the terminal 10 may send a play instruction including the projection data, and play the projection data included in the play instruction. Alternatively, the terminal 10 may send a voice control command to control the sound level played by the multi-aspect projector 11.
Alternatively, the instruction sent by the terminal 10 may be a voice instruction or a behavior control instruction, or may be a text instruction.
Optionally, when the instruction sent by the terminal 10 is a voice instruction, the multi-directional projector 11 detects whether the voice in the received voice instruction is the voice corresponding to the default language, if so, directly executes the voice instruction, and if not, translates the voice instruction into the voice instruction corresponding to the default language and then executes the instruction.
Optionally, when the instruction sent by the terminal 10 is a text instruction, the multi-directional projector 11 detects whether the text in the received text instruction is the text corresponding to the default language, if so, the text instruction is directly executed, and if not, the text instruction is translated into the text instruction corresponding to the default language and then the instruction is executed.
Optionally, the terminal 10 sends an instruction to control the multi-directional projector 11, and mainly controls the multi-directional projector 11 through an image projection controller of the multi-directional projector 11.
Optionally, the multi-directional projector 11 may adaptively select the size of the projection area according to the projection content to be played, that is, may adaptively select the size of the projection interface, where the projection interface is the projection area.
Optionally, the multi-directional projector 11 may detect a projection area around the viewing user that meets the standard of a projection medium, and select a projection area corresponding to the projection content to be played for playing. Before playing, a projection area determining playing request can be sent to a user for determination, and the user can play the video after determination.
Optionally, the multi-directional projector 11 may detect a distance and an angle of a projection area initially selected by a viewing user, detect a projection area around the viewing user that meets the standard of a projection medium, and select or adjust the projection area within the standard viewing range of the viewing user for projection. Before playing, a projection area determining playing request can be sent to a user for determination, and the user can play the video after determination.
Optionally, the multi-directional projector 11 may detect the number level of users viewing the images, and adjust the size of the viewing area according to the number level of users viewing the images.
Optionally, the multi-directional projector 11 may detect a group distribution of the viewing users, determine a main viewing group, and select a projection area in the viewing direction of the main viewing group as a default viewing area.
Optionally, the multi-directional projector 11 may detect a group distribution of viewing users, determine a primary viewing group and a secondary viewing group, select a projection area in the viewing direction corresponding to the primary viewing group as a primary projection area, and select a projection area in the viewing direction corresponding to the secondary viewing group as a secondary projection area.
Optionally, when the multi-directional projector 11 detects that the secondary viewing group and the primary viewing group are combined into an overall viewing group, the viewing direction of the overall viewing group is selected as the projection area.
Alternatively, in the mobile projection system, the number of the multi-azimuth projectors 11 may be one or two or three or more. In the mobile projection system, one or more multi-directional projectors 11 can communicate with the same terminal 10 and be controlled by the instruction of the same terminal 10, or can communicate with a terminal respectively, and each multi-directional projector 11 is controlled by the instruction of the corresponding communicating terminal.
Optionally, the multi-directional projector 11 may perform frequency division projection in the viewing area in the viewing direction to play the plurality of image data sent by the same terminal, or may perform frequency division projection in the viewing area in the viewing direction to play the plurality of image data sent by different terminals.
Optionally, the multi-directional projector 11 is configured to start projecting and playing the image data according to a set timing. And acquiring the image data stream to be played before timing is finished. Optionally, the image data stream may be actively acquired, or the image data stream may be passively acquired by sending an acquisition request.
The invention provides a mobile projection system, which aims to solve the problems that a user can watch a film in real time while moving to process other matters, the film is not limited by space, and the space range of film watching is expanded.
The mobile projection system provided by the invention improves the flexibility of film watching of a user and reduces the labor cost for overcoming mobile film watching service.
The mobile projection system provided by the invention does not need the support of a panoramic film source, and has no requirement on the format of film viewing content compared with virtual reality film viewing. And the film watching terminals such as intelligent glasses and the like do not need to be used for close-distance contact film watching, so that the risk of influence on the vision of the user caused by long-time film watching is reduced.
The mobile projection system provided by the invention can realize the technical scheme that the viewing direction needs to be changed when people view the film, solves the problem that the viewing direction cannot be changed in real time when people view the film, and improves the interest and the vividness of the film viewing.
The mobile projection system provided by the invention can be applied to various mobile film watching scenes, such as single dance or collective dance mobile teaching film watching, can also be applied to interesting mobile film watching, can also be applied to outdoor mobile meeting film watching, can also be applied to mobile KTV display projection, and can also be applied to remote projection guidance during outdoor activities. In the mobile projection system provided by the invention, the terminal 10 or the multi-directional projector 11 can move, the projection medium can also move is not excluded, the flexibility of adjusting the viewing space is further increased, and the terminal 10, the multi-directional projector 11 and the projection medium can receive a movement instruction sent by controlling the terminal 10 or the voice or limbs of a user before moving and move according to a preset navigation route or a self-adaptive navigation route.
In the mobile projection system provided by the present invention, the terminal 10 and the multi-directional projector 11 may be integrated or may be separately disposed.
In the mobile projection system provided by the present invention, the image projection controller 111, the image projection module 112 and the projection direction recognition module 113 may be integrated or may be freely combined.
As shown in fig. 2, the projection direction identification module 113 includes a multi-directional user image acquisition module 114 and a projection direction calculation module 115, the multi-directional user image acquisition module 114 is configured to acquire and identify a user image, the projection direction calculation module 115 is connected to the multi-directional user image acquisition module 114, and the projection direction calculation module 115 is connected to the image projection controller 111 and configured to calculate the user viewing direction according to the user image.
In the mobile projection system provided by the present invention, the image projection controller 111, the image projection module 112, the multi-directional user image capturing module 114 and the projection direction calculating module 115 may be integrated or may be freely combined.
Optionally, the terminal 10 is one of a wearable control terminal, a mobile phone, a PC, an unmanned aerial vehicle, a wearable camera, and a panoramic acquisition device.
Optionally, the terminal 10 is further configured to send the on-screen display data to the other communication terminals for playing.
Optionally, the on-screen display data includes image data, text data, image data, video data, audio/video data, and text data for audio conversion.
As shown in fig. 3, the system further includes a data server 30, and the on-screen data is the on-screen data downloaded from the data server 30 by the terminal 10.
As shown in fig. 3, the terminal 10 downloads the on-screen data from the data server 30 through the 5G network.
As shown in fig. 4, the terminal 10 is further configured to communicate with other communication terminals 40 and receive communication data sent by the other communication terminals 40, the terminal 10 is further configured to send communication data sent by the other communication terminals 40 to the multi-directional projector 11, and the multi-directional projector 11 is further configured to project and play the communication data sent by the other communication terminals 4010, where the communication data includes video data, text data, image data, video data, audio/video data, and text data for audio conversion.
Optionally, the communication data is screen display data acquired by the other communication terminals 40 in real time, and the terminal 10 is further configured to control the multi-directional projector 11 to project and play the screen display data to a user in real time.
Optionally, the communication data further includes voice data, and the terminal 10 is further configured to control the multi-directional projector 11 to project, in real time, text data converted according to the voice data to the user.
In the mobile projection system provided by the invention, a user carries out real-time projection conversation through a video which is received by the terminal 10 and is collected by the other party in real time. The problem that the projection communication cannot be moved in real time in the current voice communication field is solved, and the film watching communication quality of a user is improved.
Optionally, the multi-directional user image collecting module 114 is further configured to collect a user image in real time during a user moving process, the projection direction calculating module 115 is further configured to calculate a moving viewing direction of the user during the user moving process according to the user image collected in real time, and the image projection controller 111 controls the image projection module 112 to project toward the viewing direction according to the moving viewing direction.
Optionally, the multi-directional projector 11 is carried on a mobile carrier, and the multi-directional projector 11 is further configured to collect images of the user in real time during the moving process of the user, determine that the user moves beyond the projection range of the multi-directional projector 11, determine a navigation route corresponding to a standard viewing effect of the position of the user, and control the mobile carrier to move to the position of the user according to the navigation route. Specifically, the multi-directional user image acquisition module 114 may acquire the user image in real time, the projection direction calculation module 115 determines a navigation route corresponding to the standard viewing effect of the position where the user is located, and the image projection controller 111 controls the mobile carrier to move to the position where the user is located according to the navigation route.
According to the mobile projection system provided by the invention, the multi-directional projector 11 is borne on the mobile carrier, so that the projection range can be changed, the problem of how to realize real-time mobile projection when a user moves is further solved, and the flexibility of mobile film watching of the user is further expanded.
The mobile carrier can be an unmanned aerial vehicle, an unmanned vehicle, a robot and a mechanical arm.
Optionally, the multi-directional projector 11 is further configured to project text information in a predetermined language translated from the voice information for projection and playing.
Optionally, the multi-directional projector 11 is further configured to project text information in a predetermined language translated by the voice in the voice call for projection and play.
In embodiments of the present invention, it will be understood by those skilled in the art that the above description of the controller or system is merely an example, and is not intended to limit the controller or control system, and may include more or less components than those described, or some components may be combined, or different components may be included.
The controller or system may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field-Programmable Gate Array (FPGA), a micro-controller Unit (MCU), a monolithic micro-computing Unit or other Programmable logic device, a discrete Gate or transistor logic device, a discrete hardware component, or the like. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, the processor being the control center of the computer device and the various interfaces and lines connecting the various parts of the overall computer device.
The controller includes a memory or is connected with the memory, the memory can be used for storing computer programs and/or modules, and the processor can realize various functions of the computer device by operating or executing the computer programs and/or modules stored in the memory and calling the data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
In summary, the present invention is applicable to the field of vision processing, and provides a mobile projection system, including a terminal 10 and a multi-directional projector 11, where the terminal 10 is in communication connection with the multi-directional projector 11, the multi-directional projector 11 includes an image projection controller 111, an image projection module 112 and a projection direction identification module 113, the projection direction identification module 113 is configured to identify a viewing direction of a user, the image projection module 112 is configured to project, the image projection controller 111 is connected to the image projection module 112, the image projection controller 111 is configured to control the image projection module 112 to project, the image projection controller 111 is connected to the projection direction identification module 113, the projection direction identification module 113 determines a projection direction of the image projection module 112, and then the image projection controller 111 controls the image projection module 112 to project toward the projection direction, the projection direction is a user viewing direction, the terminal 10 is configured to send an instruction to the image projection controller 111, the image projection controller 111 is further configured to control the multi-directional projector 11 according to the instruction, and the terminal 10 is further configured to collect and send screen display data to the multi-directional projector 11, and control the multi-directional projector 11 to project and play the screen display data.
According to the mobile projection system provided by the invention, the terminal 10 can acquire and send the screen display data to the multi-position projector 11 for projection, so that the real-time projection and play of the data acquired by the user mobile control terminal 10 and the real-time projection and play of the data acquired by the user static control terminal 10 are realized, and the real-time dynamic mobile viewing of the screen display data acquisition end and the screen display data projection and play end is realized by the user through the multi-position projector 11 to move the screen display data acquired by the screen display data acquisition terminal 10 in real time.
The invention provides a mobile projection system, which aims to solve the problems that a user can watch a film in real time while moving to process other matters, the film is not limited by space, and the space range of film watching is expanded.
The mobile projection system provided by the invention improves the flexibility of film watching of a user and reduces the labor cost for overcoming mobile film watching service.
The mobile projection system provided by the invention does not need the support of a panoramic film source, and has no requirement on the format of film viewing content compared with virtual reality film viewing. And the film watching terminal 10 such as intelligent glasses does not need to be used for close-distance contact film watching, so that the risk of influence on the vision of the user caused by long-time film watching is reduced.
The mobile projection system provided by the invention can realize the technical scheme that the viewing direction needs to be changed when people view the film, solves the problem that the viewing direction cannot be changed in real time when people view the film, and improves the interest and the vividness of the film viewing.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
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| CN202110588121.2A CN113542704A (en) | 2021-05-28 | 2021-05-28 | A mobile projection system |
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| CN202110588121.2A CN113542704A (en) | 2021-05-28 | 2021-05-28 | A mobile projection system |
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