CN107295320A - The control method and device of projection terminal - Google Patents
The control method and device of projection terminal Download PDFInfo
- Publication number
- CN107295320A CN107295320A CN201710667582.2A CN201710667582A CN107295320A CN 107295320 A CN107295320 A CN 107295320A CN 201710667582 A CN201710667582 A CN 201710667582A CN 107295320 A CN107295320 A CN 107295320A
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- China
- Prior art keywords
- projection
- control instruction
- terminal
- shelter
- drop shadow
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Classifications
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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
- H04N9/3188—Scale or resolution adjustment
-
- 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
- H04N9/3173—Constructional details thereof wherein the projection device is specially adapted for enhanced portability
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The control method and device of a kind of projection terminal of present invention offer, this method, including：Determine there is the shelter of preset kind in the drop shadow spread of projection terminal；Generation first projects control instruction；The first projection control instruction is used for the control operation for indicating to be projected, and the control operation includes：Projection brightness and/or reduced projection scope are reduced, or closes projection lens；The control operation projected according to the described first projection control instruction.The present invention is prevented effectively from during using projection terminal, and the light of projection lens reduces injury of the laser beam of projection to human eye, lift Consumer's Experience to the sense of discomfort caused by the eyes of people around.
Description
Technical field
The present invention relates to the control method and device of field of terminal technology, more particularly to a kind of projection terminal.
Background technology
With the development of multimedia technology, the multimedia such as photo, video that people can shoot various electronic equipments text
Part is shared with other people.But, be wirelessly transferred or wire transmission by way of can not meet between live many people
Multi-medium data is shared, especially in meeting, party environment；People are still more likely to share multimedia using projecting apparatus
Data.
Traditional projecting apparatus volume is big, expensive, is not easy to carry.For this defect, devise portable
Multi-medium data can be thrown on curtain by small projector, the small projector in real time by intelligent terminal.But, due to
The projector distance of small projector is limited, needs user's hand-held terminal device to carry out projection control often, so that easily in projection
During produce and artificial rock situation.Rocking for this projection screen can be so that projecting apparatus laser beam projects people around
Eyes, when rocking violent, can have a strong impact on the quality of projection, the people of viewing is produced the senses of discomfort such as dizziness, user uses body
Test not good.
The content of the invention
The present invention provides the control method and device of a kind of projection terminal, to reduce during using projection terminal, throws
Injury of the light beam of shadow camera lens to human eye, lifts Consumer's Experience.
In a first aspect, the embodiment of the present invention provides a kind of control method of projection terminal, including：
Determine there is the shelter of preset kind in the drop shadow spread of projection terminal；
Generation first projects control instruction；The first projection control instruction is used for the control operation for indicating to be projected,
The control operation includes：Projection brightness and/or reduced projection scope are reduced, or closes projection lens；
The control operation projected according to the described first projection control instruction.
Alternatively, there is the shelter of preset kind in the drop shadow spread for determining projection terminal, including：
Monitor the drop shadow spread of the projection terminal in real time using camera, and generate video image；
When there is the shelter of preset kind in the video image, determine there is the screening of preset kind in drop shadow spread
Block material；And/or
Monitor the drop shadow spread of the projection terminal in real time using infrared imaging device, and generate thermograph；
When there is the shelter of preset kind in the thermograph, determine there is the screening of preset kind in drop shadow spread
Block material.
Alternatively, the shelter of the preset kind, including：Face, moving object.
Alternatively, before the control operation projected according to the described first projection control instruction, in addition to：
The projection arrange parameter at projection terminal current time is preserved, the projection arrange parameter includes：Focal length, resolution ratio,
Brightness.
Alternatively, after the control operation projected according to the described first projection control instruction, in addition to：
Determine the shelter of Non-precondition type in the drop shadow spread of projection terminal；
Generation second projects control instruction, and the second projection control instruction is used to indicate to set according to the projection of preservation to join
Number carries out projection recovery operation；
Projection recovery operation is carried out according to the projection arrange parameter of preservation according to the described second projection control instruction.
Second aspect, the embodiment of the present invention provides a kind of control device of projection terminal, including：
There is the shelter of preset kind in determining module, the drop shadow spread for determining projection terminal；
Processing module, control instruction is projected for generating first；The first projection control instruction is used to indicate to be thrown
The control operation of shadow, the control operation includes：Projection brightness and/or reduced projection scope are reduced, or closes projection lens；
Performing module, for the control operation projected according to the described first projection control instruction.
Alternatively, the determining module, specifically for：
Monitor the drop shadow spread of the projection terminal in real time using camera, and generate video image；
When there is the shelter of preset kind in the video image, determine there is the screening of preset kind in drop shadow spread
Block material；And/or
Monitor the drop shadow spread of the projection terminal in real time using infrared imaging device, and generate thermograph；
When there is the shelter of preset kind in the thermograph, determine there is the screening of preset kind in drop shadow spread
Block material.
Alternatively, the shelter of the preset kind, including：Face, moving object.
Alternatively, in addition to：
Memory module, for before the control operation projected according to the described first projection control instruction, preserving and throwing
The projection arrange parameter at shadow terminal current time, the projection arrange parameter includes：Focal length, resolution ratio, brightness.
Alternatively, including：
Determining module, is additionally operable to after the control operation projected according to the described first projection control instruction, it is determined that
The shelter of Non-precondition type in the drop shadow spread of projection terminal；
Processing module, be additionally operable to generation second project control instruction, it is described second projection control instruction be used for indicate according to
The projection arrange parameter of preservation carries out projection recovery operation；
Performing module, is additionally operable to be projected according to the projection arrange parameter of preservation according to the described second projection control instruction
Recovery operation.
In the control method and device for the projection terminal that the present invention is provided, the drop shadow spread by detecting projection terminal whether
There is the shelter of preset kind, when there is the shelter of preset kind, generation first projects control instruction.Thrown according to first
Shadow control instruction, can also be in reduction projection brightness by the projection brightness reduction of projection terminal or the scope of reduced projection
While the scope of reduced projection.When there is multiple faces in the range of the projection lens of projection terminal, projection lens can also be closed
Head.By the above-mentioned means, being prevented effectively from during using projection terminal, the light of projection lens is to caused by the eyes of people around
Sense of discomfort, reduce injury of the laser beam to human eye of projection, lift Consumer's Experience.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the control method for the projection terminal that the embodiment of the present invention one is provided；
Fig. 2 is the flow chart of the control method for the projection terminal that the embodiment of the present invention two is provided；
Fig. 3 is the flow chart of the control method for the projection terminal that the embodiment of the present invention three is provided；
Fig. 4 is the structural representation of the control device for the projection terminal that the embodiment of the present invention one is provided；
Fig. 5 is the structural representation of the control device for the projection terminal that the embodiment of the present invention two is provided.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 is the flow chart of the control method for the projection terminal that the embodiment of the present invention one is provided, as shown in figure 1, this implementation
Method in example can include：
S101, determine the shelter that there is preset kind in the drop shadow spread of projection terminal.
In the present embodiment, projection terminal include Portable small-type projector, or the tablet personal computer with projecting function,
The mobile terminals such as smart mobile phone.There is the shelter of preset kind in the drop shadow spread for detecting projection terminal, be specially：By throwing
Camera in shadow terminal monitors the drop shadow spread of projection terminal in real time, and generates video image；Occur in video image pre-
If during the shelter of type, determining there is the shelter of preset kind in drop shadow spread；And/or supervised in real time using infrared imaging device
The drop shadow spread of projection terminal is surveyed, and generates thermograph；When occurring the shelter of preset kind in thermograph, it is determined that throwing
There is the shelter of preset kind in the range of shadow.By taking the smart mobile phone with projecting function as an example, by being carried in smart mobile phone
Camera and/or infrared imaging device detection smart mobile phone projection lens in the range of whether there is preset kind shelter,
The shelter of the preset kind includes：Face, moving object etc..It should be noted that the present embodiment is to possess projecting function
Illustrated exemplified by smart mobile phone, but the present embodiment not limited to this.
S102, generation first project control instruction.
In the present embodiment, when there is the shelter of preset kind in the range of the projection lens of projection terminal, projection terminal
Generation first projects control instruction.Wherein, the first projection control instruction is used for the control operation for indicating to be projected, control operation
Including：Reduction projection brightness and/or reduced projection scope, or closing projection lens are first-class.
S103, the control operation projected according to the first projection control instruction.
In the present embodiment, the control that the first projection control instruction generated according to projection terminal processor is projected is grasped
Make.Specifically, according to the first projection control instruction reduction projection brightness and/or reduced projection scope.Detecting projection terminal
Projection lens in the range of when there is multiple faces, projection lens can also be closed.
It whether there is the shelter of preset kind in the present embodiment, the drop shadow spread by detecting projection terminal, work as presence
During the shelter of preset kind, generation first projects control instruction.Control instruction is projected by the projection of projection terminal according to first
The scope of luminance-reduction or reduced projection, can also reduce projection brightness while reduced projection scope.When projection is whole
When there is multiple faces in the range of the projection lens at end, projection lens can also be closed.By the above-mentioned means, being prevented effectively from makes
During projection terminal, the light of projection lens reduces the laser beam pair of projection to the sense of discomfort caused by the eyes of people around
The injury of human eye, lifts Consumer's Experience.
Fig. 2 is the flow chart of the control method for the projection terminal that the embodiment of the present invention two is provided, as shown in Fig. 2 this implementation
Method in example can include：
S201, determine the shelter that there is preset kind in the drop shadow spread of projection terminal.
S202, generation first project control instruction.
In the present embodiment, step S201 and step S202 implement in process method shown in Figure 1 related retouch
State, here is omitted.
S203, the projection arrange parameter for preserving projection terminal current time.
In the present embodiment, before the control operation projected according to the first projection control instruction, projection is preserved first
The projection arrange parameter at terminal current time, the projection arrange parameter includes：Focal length, resolution ratio, brightness etc..
S204, the control operation projected according to the first projection control instruction.
In the present embodiment, the step S204 associated description implemented in process method shown in Figure 1, herein no longer
Repeat.
The present embodiment, by before the control operation projected according to the first projection control instruction, preserving projection eventually
The projection arrange parameter at current time is held, in order to can rapidly obtain the last projection when recovering projection normal pictures
The projection arrange parameter of terminal, the projection arrange parameter includes focal length, resolution ratio, brightness etc..
Fig. 3 is the flow chart of the control method for the projection terminal that the embodiment of the present invention three is provided, as shown in figure 3, this implementation
Method in example can include on the basis of method shown in Fig. 2：
S301, determine the shelter that there is preset kind in the drop shadow spread of projection terminal.
S302, generation first project control instruction.
S303, the projection arrange parameter for preserving projection terminal current time.
S304, the control operation projected according to the first projection control instruction.
In the present embodiment, step S301- steps S304's implements process referring to the correlation in method shown in Fig. 1, Fig. 2
Description, here is omitted.
S305, the shelter for determining Non-precondition type in the drop shadow spread of projection terminal.
In the present embodiment, there is the shelter of preset kind in the drop shadow spread for detecting projection terminal, be specially：By throwing
Camera in shadow terminal monitors the drop shadow spread of projection terminal in real time, and generates video image；Class is preset in video image
When the shelter of type disappears, the shelter of Non-precondition type in drop shadow spread is determined；And/or supervised in real time using infrared imaging device
The drop shadow spread of projection terminal is surveyed, and generates thermograph；When the shelter of preset kind disappears in thermograph, it is determined that throwing
The shelter of Non-precondition type in the range of shadow.By taking the smart mobile phone with projecting function as an example, by being carried in smart mobile phone
Camera and/or infrared imaging device detection smart mobile phone projection lens in the range of whether there is preset kind shelter,
The shelter of the preset kind includes：Face, moving object etc..It should be noted that the present embodiment is to possess projecting function
Illustrated exemplified by smart mobile phone, but the present embodiment not limited to this.
S306, generation second project control instruction.
In the present embodiment, in the range of the projection lens of projection terminal during the shelter of Non-precondition type, generation second
Control instruction is projected, the second projection control instruction is used to indicate that carrying out projection according to the projection arrange parameter of preservation recovers behaviour
Make.Specifically, the focal length, resolution ratio, bright that the second projection control instruction indicates to be adjusted to preserve by Current projection arrange parameter
Spend parameter.
S307, according to second projection control instruction according to preservation projection arrange parameter carry out projection recovery operation.
In the present embodiment, recover to project according to the projection arrange parameter of preservation according to the second projection control instruction, specifically,
Recover scope and/or the brightness of former projection.If the projection lens of previous projection terminal is closed, the second projection control is being received
During system instruction, projection lens is opened.
The present embodiment, before projection control operation is carried out according to the first projection control instruction, first preserves Current projection whole
The projection arrange parameter at end.After projection control operation is carried out according to the first projection control instruction, continue to detect present period
It whether there is the shelter of preset kind in the range of the projection lens of interior (being now next period), if Non-precondition class
The shelter of type, then generate the second control instruction.According to the second control instruction, recover to throw according to the projection arrange parameter of preservation
Shadow.The present embodiment is realized and independently carried out according to the situation in the range of the projection lens of projection terminal without manual operation
Projection control, in shelter without preset kind in the range of the projection lens of projection terminal, recovers projection, improves in time
The experience sense of user by.
Fig. 4 is the structural representation of the control device for the projection terminal that the embodiment of the present invention one is provided, as shown in figure 4, this
Device in embodiment can include：
There is the shelter of preset kind in determining module 10, the drop shadow spread for determining projection terminal；Processing module
20, project control instruction for generating first；First projection control instruction is used for the control operation for indicating to be projected, control behaviour
Work includes：Projection brightness and/or reduced projection scope are reduced, or closes projection lens；Performing module 30, for according to first
The control operation that projection control instruction is projected.
Optionally it is determined that module 10, specifically for：Monitor the drop shadow spread of projection terminal in real time using camera, and it is raw
Into video image；When occurring the shelter of preset kind in video image, determine there is the screening of preset kind in drop shadow spread
Block material；And/or monitor the drop shadow spread of projection terminal in real time using infrared imaging device, and generate thermograph；In thermograph
It is middle when there is the shelter of preset kind, determine there is the shelter of preset kind in drop shadow spread.Wherein, the screening of preset kind
Block material can include：Face, moving object etc..
The present embodiment can perform the technical scheme in the method shown in above-mentioned Fig. 1-Fig. 3, its implementation process and technology effect
Fruit is similar with the above method, and here is omitted.
Fig. 5 is the structural representation of the control device for the projection terminal that the embodiment of the present invention two is provided, as shown in figure 5, this
Device in embodiment can also include memory module 40 on the basis of Fig. 4 shown devices, and the memory module 40 is used in root
Before the control operation projected according to the first projection control instruction, the projection arrange parameter at projection terminal current time is preserved,
Projection arrange parameter includes：Focal length, resolution ratio, brightness.
Optionally it is determined that module 10, is additionally operable to after the control operation projected according to the first projection control instruction,
Determine the shelter of Non-precondition type in the drop shadow spread of projection terminal.Processing module 20, is additionally operable to the projection control of generation second
System instruction, the second projection control instruction is used to indicate to carry out projection recovery operation according to the projection arrange parameter of preservation.Perform mould
Block 30, is additionally operable to carry out projection recovery operation according to the projection arrange parameter of preservation according to the second projection control instruction.
The present embodiment can perform the technical scheme in the method shown in above-mentioned Fig. 1-Fig. 3, its implementation process and technology effect
Fruit is similar with the above method, and here is omitted.
Deposited in addition, the embodiment of the present application is also provided in a kind of computer-readable recording medium, computer-readable recording medium
Computer executed instructions are contained, when at least one computing device of user equipment computer executed instructions, user equipment
Perform above-mentioned various possible methods.
Wherein, computer-readable medium includes computer-readable storage medium and communication media, and wherein communication media includes being easy to
Any medium of computer program is transmitted from a place to another place.Storage medium can be universal or special computer
Any usable medium that can be accessed.A kind of exemplary storage medium is coupled to processor, so as to enable a processor to from this
Read information, and information can be write to the storage medium.Certainly, storage medium can also be the composition portion of processor
Point.Processor and storage medium can be located in ASIC.In addition, the ASIC can be located in user equipment.Certainly, processor and
Storage medium can also be present in communication equipment as discrete assembly.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above-mentioned each method embodiment can lead to
The related hardware of programmed instruction is crossed to complete.Foregoing program can be stored in a computer read/write memory medium.The journey
Sequence upon execution, performs the step of including above-mentioned each method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or
Person's CD etc. is various can be with the medium of store program codes.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of control method of projection terminal, it is characterised in that including：
Determine there is the shelter of preset kind in the drop shadow spread of projection terminal；
Generation first projects control instruction；The first projection control instruction is used for the control operation for indicating to be projected, described
Control operation includes：Projection brightness and/or reduced projection scope are reduced, or closes projection lens；
The control operation projected according to the described first projection control instruction.
2. according to the method described in claim 1, it is characterised in that exist in the drop shadow spread for determining projection terminal default
The shelter of type, including：
Monitor the drop shadow spread of the projection terminal in real time using camera, and generate video image；
When there is the shelter of preset kind in the video image, determine there is blocking for preset kind in drop shadow spread
Thing；And/or
Monitor the drop shadow spread of the projection terminal in real time using infrared imaging device, and generate thermograph；
When there is the shelter of preset kind in the thermograph, determine there is blocking for preset kind in drop shadow spread
Thing.
3. method according to claim 2, it is characterised in that the shelter of the preset kind, including：Face, motion
Object.
4. the method according to claim any one of 1-3, it is characterised in that enter according to the described first projection control instruction
Before the control operation of row projection, in addition to：
The projection arrange parameter at projection terminal current time is preserved, the projection arrange parameter includes：Focal length, resolution ratio, brightness.
5. method according to claim 4, it is characterised in that what is projected according to the described first projection control instruction
After control operation, in addition to：
Determine the shelter of Non-precondition type in the drop shadow spread of projection terminal；
Generation second projects control instruction, and the second projection control instruction is used to indicate to enter according to the projection arrange parameter of preservation
Row projection recovery operation；
Projection recovery operation is carried out according to the projection arrange parameter of preservation according to the described second projection control instruction.
6. a kind of control device of projection terminal, it is characterised in that including：
There is the shelter of preset kind in determining module, the drop shadow spread for determining projection terminal；
Processing module, control instruction is projected for generating first；The first projection control instruction is used to indicate what is projected
Control operation, the control operation includes：Projection brightness and/or reduced projection scope are reduced, or closes projection lens；
Performing module, for the control operation projected according to the described first projection control instruction.
7. device according to claim 6, it is characterised in that the determining module, specifically for：
Monitor the drop shadow spread of the projection terminal in real time using camera, and generate video image；
When there is the shelter of preset kind in the video image, determine there is blocking for preset kind in drop shadow spread
Thing；And/or
Monitor the drop shadow spread of the projection terminal in real time using infrared imaging device, and generate thermograph；
When there is the shelter of preset kind in the thermograph, determine there is blocking for preset kind in drop shadow spread
Thing.
8. device according to claim 7, it is characterised in that the shelter of the preset kind, including：Face, motion
Object.
9. the device according to claim any one of 6-8, it is characterised in that also include：
Memory module, for before the control operation projected according to the described first projection control instruction, preserving projection eventually
The projection arrange parameter at current time is held, the projection arrange parameter includes：Focal length, resolution ratio, brightness.
10. device according to claim 9, it is characterised in that including：
Determining module, is additionally operable to after the control operation projected according to the described first projection control instruction, it is determined that projection
The shelter of Non-precondition type in the drop shadow spread of terminal；
Processing module, is additionally operable to generation second and projects control instruction, the second projection control instruction is used to indicate according to preservation
Projection arrange parameter carry out projection recovery operation；
Performing module, is additionally operable to carry out projection recovery according to the projection arrange parameter of preservation according to the described second projection control instruction
Operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710667582.2A CN107295320A (en) | 2017-08-07 | 2017-08-07 | The control method and device of projection terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710667582.2A CN107295320A (en) | 2017-08-07 | 2017-08-07 | The control method and device of projection terminal |
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| CN107295320A true CN107295320A (en) | 2017-10-24 |
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ID=60104747
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| CN201710667582.2A Pending CN107295320A (en) | 2017-08-07 | 2017-08-07 | The control method and device of projection terminal |
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| CN111935470A (en) * | 2020-09-27 | 2020-11-13 | 深圳市当智科技有限公司 | Projector and optical machine control method thereof |
| CN111935469A (en) * | 2020-09-27 | 2020-11-13 | 深圳市当智科技有限公司 | Projector safe working method and projector |
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Application publication date: 20171024 |