CN108965837A - A kind of projection environment brightness control method, system and terminal device - Google Patents
A kind of projection environment brightness control method, system and terminal device Download PDFInfo
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- CN108965837A CN108965837A CN201710358604.7A CN201710358604A CN108965837A CN 108965837 A CN108965837 A CN 108965837A CN 201710358604 A CN201710358604 A CN 201710358604A CN 108965837 A CN108965837 A CN 108965837A
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- view field
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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]
- H04N9/3191—Testing thereof
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- Controls And Circuits For Display Device (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
The present invention is suitable for projection ambient brightness control field, provide a kind of projection environment brightness control method, system and terminal device, if including: starting projection device, the brightness value of the lighting apparatus of view field is adjusted to the first brightness value, the view field is projection screen region；Detect current projection environment；According to the projection environment, the brightness value of the lighting apparatus of the view field or non-view field is adjusted.The brightness value that the present invention passes through the lighting apparatus of automatic adjustment view field when starting projection device, and in projection process, the brightness value of the lighting apparatus of view field and non-view field is adjusted according to current projection environment, it may be implemented to adjust the intelligence of the brightness of illumination in projection place, intelligent and high-efficiency and regulating effect is preferable.
Description
Technical field
The invention belongs to project ambient brightness control field more particularly to a kind of projection environment brightness control method, system
And terminal device.
Background technique
With the continuous development of science and technology, various types of projection devices emerge one after another, and projection device is widely used in
Family, office, school or public place of entertainment play for carrying out text demonstration or multimedia file, are the work and life of people
Work brings great convenience.
However, the existing place projected is usually all by the lighting apparatus manually to projection place
Brightness is adjusted, and then whether meets projection requirements by the brightness of illumination that artificial judgment projects place, time-consuming and laborious and simultaneously
It cannot be guaranteed that the brightness in projection place centainly meets projection requirements, manual adjustment effect is poor.
Summary of the invention
In view of this, the embodiment of the invention provides projection environment brightness control method, system and terminal device, to solve
It is adjusted in the prior art by the brightness of the lighting apparatus manually to projection place, then passes through artificial judgment projection field
Brightness of illumination whether meet projection requirements, it is time-consuming and laborious and do not ensure that the brightness in projection place centainly meets projection and wants
It asks, the poor problem of manual adjustment effect.
The first aspect of the embodiment of the present invention provides a kind of projection environment brightness control method comprising:
If starting projection device, the brightness value of the lighting apparatus of view field is adjusted to the first brightness value, the throwing
Shadow zone domain is projection screen region；
Detect current projection environment；
According to the projection environment, the brightness value of the lighting apparatus of the view field or non-view field is adjusted.
The second aspect of the embodiment of the present invention provides a kind of projection environment brightness control system comprising:
First luminance adjustment module, if for starting projection device, by the brightness value tune of the lighting apparatus of view field
Section is the first brightness value, and the view field is projection screen region；
Context detection module is projected, for detecting current projection environment；
Second luminance adjustment module, for according to the projection environment, adjusting the view field or non-view field
The brightness value of lighting apparatus.
The third aspect of the embodiment of the present invention provides a kind of terminal device, including memory, processor and is stored in
In the memory and the computer program that can run on the processor, when the processor executes the computer program
The step of realizing the above method.
The fourth aspect of the embodiment of the present invention provides a kind of computer readable storage medium, the computer-readable storage
The step of media storage has computer program, and the above method is realized when the computer program is executed by processor.
The embodiment of the present invention by when starting projection device automatically adjust view field lighting apparatus brightness value,
And in projection process, the brightness value of the lighting apparatus of view field and non-view field is adjusted according to current projection environment,
It may be implemented to adjust the intelligence of the brightness of illumination in projection place, intelligent and high-efficiency and regulating effect is preferable.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the flow diagram for the projection environment brightness control method that one embodiment of the present of invention provides；
Fig. 2 is the flow diagram for the projection environment brightness control method that one embodiment of the present of invention provides；
Fig. 3 is the flow diagram for the projection environment brightness control method that one embodiment of the present of invention provides；
Fig. 4 is the flow diagram for the projection environment brightness control method that one embodiment of the present of invention provides；
Fig. 5 is the structural schematic diagram for the projection environment brightness control system that one embodiment of the present of invention provides；
Fig. 6 is the structural schematic diagram for the projection environment brightness control system that one embodiment of the present of invention provides；
Fig. 7 is the structural schematic diagram for the projection environment brightness control system that one embodiment of the present of invention provides；
Fig. 8 is the structural schematic diagram for the projection environment brightness control system that one embodiment of the present of invention provides；
Fig. 9 is the structural schematic diagram for the projection environment brightness control system that one embodiment of the present of invention provides；
Figure 10 is the structural schematic diagram for the terminal device that one embodiment of the present of invention provides.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention are explicitly described, it is clear that described embodiment is the present invention one
The embodiment divided, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, should fall within the scope of the present invention.
Description and claims of this specification and term " includes " and their any deformations in above-mentioned attached drawing, meaning
Figure, which is to cover, non-exclusive includes.Such as process, method or system comprising a series of steps or units, product or equipment do not have
It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally also wrap
Include the other step or units intrinsic for these process, methods, product or equipment.In addition, term " first ", " second " and
" third " etc. is for distinguishing different objects, not for description particular order.
In order to illustrate technical solutions according to the invention, the following is a description of specific embodiments.
As shown in Figure 1, one embodiment of the present of invention provides a kind of projection environment brightness control method comprising:
Step S10: if starting projection device, is adjusted to the first brightness for the brightness value of the lighting apparatus of view field
Value, the view field are projection screen region.
In a particular application, step S10 default is real in the case where the lighting apparatus of view field is in the open state
It is existing.First brightness value can be the lower brightness value of brightness for meeting projection lighting brightness requirement, or 0, i.e., it will projection
The lighting apparatus in region is closed.
In a particular application, projection device refers to that projector etc. can project to image or video on projection screen
Equipment, projection screen can be arbitrary can be as the wall, curtain or dedicated screen for projection that projected background uses；It throws
Shadow zone domain is the region referred to where projection screen, for example, the dais region in classroom or meeting-place.
In a particular application, detection of projection devices whether can start in several ways, for example, being set by detecting projection
Whether standby power supply open, detects and whether shows projected picture on projection screen or detect whether to receive characterization projection device
The instruction of starting, this instruction can be the instruction that user is manually entered, and be also possible to voluntarily issue when projection device starting
Instruction.
Step S20: current projection environment is detected.
In a particular application, projection environment includes some factors relevant to projector or projection screen itself, for example, throwing
The perhaps background luminance of project content, color in shadow, the display parameters etc. of projector itself, projection environment can also include to throwing
Some external factors that shadow effect has an impact, for example, the brightness of the lighting apparatus of view field, light color, non-projected area
The brightness of the lighting apparatus in domain, light color, personnel's distribution situation of non-view field, the entire decoration tone for projecting place,
Temperature etc..
Step S30: according to the projection environment, the brightness of the lighting apparatus of the view field or non-view field is adjusted
Value.
In a particular application, the brightness value for adjusting lighting apparatus specifically refer to increase or decrease the brightness value of lighting apparatus,
Lighting apparatus is opened in the case where lighting apparatus is closed, lighting apparatus etc. is closed in the case where lighting apparatus is opened.
In a particular application, non-view field specifically refers to entirely project the region in environment in addition to view field, example
Such as, student's seating area in classroom in addition to the position of dais, the auditorium region in meeting-place.
In one embodiment, above-mentioned projection environment brightness control method, further includes:
If closing projection device, the brightness value of the lighting apparatus of view field is adjusted to corresponding with Current projection scene
Brightness value.
In a particular application, brightness value corresponding with Current projection scene can be the brightness for meeting conventional lighting requirement
Value, or 0, that is, close the lighting apparatus of view field.Current projection scene can specifically include: close projection device simultaneously
The case where terminating all human activities in projection place, can close in the case of this entire including view field and non-view field
Project the lighting apparatus in place；The case where only needing to close projection device and non-projection place illuminated, in the case of this only
Need to close the lighting apparatus of view field；It closes projection device and needs to carry out in entirely projection place normal artificial movable
Situation, in this case, need to only be adjusted to the brightness value of the lighting apparatus of view field meet the brightness value of conventional lighting requirement
?.
In a particular application, detection of projection devices whether can close in several ways, for example, being set by detecting projection
Whether standby power supply close, detects and whether does not show projected picture on projection screen or detect whether that receiving characterization projection sets
The standby instruction closed, this instruction can be the instruction that user is manually entered, and be also possible to voluntarily issue when projection device is closed
Instruction.
The present embodiment by when starting projection device automatically adjust view field lighting apparatus brightness value, and
In projection process, the brightness value of the lighting apparatus of view field and non-view field is adjusted according to current projection environment, it can be with
Realize that the intelligence of the brightness of illumination to projection place is adjusted, intelligent and high-efficiency and regulating effect is preferable.
As shown in Fig. 2, one embodiment of the present of invention also provides a kind of projection environment brightness control method, it is right with Fig. 1 institute
The step of method in the embodiment answered, the difference is that only:
Projection environment in step S20 specifically includes project content.
Step S20 is specifically included:
Step S211: detecting current project content and judges the affiliated file type of the project content.
In a particular application, type belonging to project content can be judged by detecting the data format of project content.
In a particular application, the data format of project content includes but is not limited to various demonstration texts, audio-visual video file
Or picture, for example, word document, PPT lantern slide, excel table, MP4 format video, JPG picture etc..
Step S30 is specifically included:
Step S311: if the project content belongs to the first kind, by the brightness value of the lighting apparatus of non-view field
It is adjusted to the second brightness value suitable for writing, the first kind includes teaching courseware.
In a particular application, the first kind specifically refers to need the lighting apparatus of normally-open non-view field, makes non-throwing
The related personnel that the brightness value of the lighting apparatus in shadow zone domain is suitable for watching project content writes, takes notes or compares books, electricity
The project content type of sub- reference paper, the first kind generally include teaching courseware, training documentation, learning materials etc..
Step S312: if the project content belongs to the first kind and to demonstrate text, according to the demonstration text
The brightness value of the lighting apparatus of view field described in background color and brightness regulation.
In a particular application, demonstration text specifically refer to word document, PPT lantern slide, excel table etc. have more unite
One background color and the text of brightness.
In a particular application, the background color for demonstrating text is deeper or brightness is lower, then the illumination of the view field needed
The brightness value of equipment is higher, conversely, the brightness value of the lighting apparatus of the view field needed is lower.
It in one embodiment, include: background color and the brightness of the detection demonstration text before step S312.
In a particular application, background color can be detected by colorimeter, and brightness can be detected by luminance meter,
Background can be determined by the Projection Display parameter or the data display parameters of demonstration document itself for directly acquiring projection device
Color and brightness.
Step S313: if the project content belongs to Second Type, close non-view field lighting apparatus or will be non-
The brightness value of the lighting apparatus of view field is adjusted to third brightness value, and the Second Type includes the multimedia text of pure ornamental value
Part.
In a particular application, Second Type specifically refers to need to close the lighting apparatus of non-view field or reduces non-projection
The brightness value of the lighting apparatus in region, the brightness value of the lighting apparatus of Shi Fei view field are suitable for related personnel and watch project content
Type, Second Type generally includes the multimedia files such as the audio-visual video of pure ornamental value, picture.
The present embodiment is set by adjusting the illumination of view field and non-view field according to type belonging to project content
Standby brightness value can effectively improve Projection Display effect, improve the visual experience of the related personnel of viewing project content.
As shown in figure 3, one embodiment of the present of invention also provides a kind of projection environment brightness control method, it is right with Fig. 1 institute
The step of method in the embodiment answered, the difference is that only:
Projection environment in step S20 specifically includes personnel's distribution situation of the non-view field.
In a particular application, personnel's distribution situation specifically refers to, someone, nobody or the area people point in a certain region
Cloth density, personnel's distribution density=personnel's number/region area.
Step S20 is specifically included:
Step S221: detecting personnel's distribution situation of the current non-view field, and personnel's distribution situation includes
Personnel's distribution density.
In a particular application, personnel's distribution density in a certain region be 0, then it represents that the region nobody；Personnel's distribution is close
Degree, which is greater than 0, indicates region someone.
In a particular application, the personnel amount in a certain region in space can be specifically detected by face recognition technology,
And then calculate personnel's distribution density in the region.
In one embodiment, step S20 is specifically included:
Obtain the image of the current non-view field；
It identifies the face in described image, and counts face quantity；
According to the preset area of the face quantity and the non-view field, the personnel point of the non-view field are calculated
Cloth density.
In a particular application, the area of non-view field is fixed, it is only necessary to which simultaneously preservation is arranged i.e. in prior survey calculation
Can, in needing to calculate non-view field when personnel's distribution density of each subregion, it is only necessary to obtain the image surface of subregion
The long-pending image area ratio with entire non-view field, can calculate the real area of subregion, then count the subregion
Face quantity, personnel's distribution density of subregion can be calculated.The area of the subregion=(image area of subregion/non-
The image area of view field) the non-view field of * real area (i.e. preset area).
Step S30 is specifically included:
Step S321: the illumination that personnel's distribution density in non-view field is greater than or equal to the region of the first density value is set
Standby brightness value is adjusted to the 4th brightness value.
In a particular application, step S321 is specifically referred to, and opens the region that personnel's distribution density is more in non-view field
Whole lighting apparatus or be suitably turned up the region lighting apparatus brightness value.
Step S322: personnel's distribution density in non-view field is greater than the second density value and less than the area of the first density value
The brightness value of the lighting apparatus in domain is adjusted to the 5th brightness value.
In a particular application, step S322 specifically refers to not be especially intensive area for personnel's distribution in non-view field
Domain can selectively property the partial illumination equipment for only opening the region, or suitably turn down the region lighting apparatus it is bright
Angle value.
Step S323: closing the lighting apparatus of personnel's distribution density in non-view field less than the region of the second density value,
Or personnel's distribution density in non-view field is adjusted to the 6th less than the brightness value of the lighting apparatus in the region of the second density value
Brightness value.
In a particular application, step S323 specifically refers to be distributed personnel seldom or the region of nobody can be closed
The lighting apparatus in the region or turn down the region lighting apparatus brightness value.
The present embodiment is by adjusting the brightness value of lighting apparatus, Ke Yiyou according to personnel's distribution situation of non-view field
Effect improves illuminating effect and saves illumination electric energy simultaneously, avoids unnecessary waste of energy.
As shown in figure 4, one embodiment of the present of invention also provides a kind of projection environment brightness control method, it is right with Fig. 1 institute
The step of method in the embodiment answered, the difference is that only:
Projection environment in step S20 specifically includes the bright of the projection screen at the default view position of non-view field
Degree.
In a particular application, default view position specifically includes the relevant people for positioned at non-view field, watching projection screen
The view position of member, for example, each seat position in classroom.In order to make to be located at any position in entire non-view field
Personnel can see the content shown on projection screen clearly as far as possible, can set default view position to being unfavorable for viewing projection
The dead angle position of screen, these dead angle positions include the corner location of non-view field, and all around four boundaries or front and back are left
Right four azimuths.By taking classroom as an example, then presetting view position can be the most front-seat position in classroom, most back court position, left and right two
Side or all around four corner locations.
Step S20 is specifically included:
Step S231: the brightness of current projection screen is detected from the default view position of the non-view field.
In a particular application, the principal element for influencing to watch the visual effect of projection screen is projection screen in human eye visual angle
Curtain brightness it is unintelligible while damaging eyes to will lead to project content, and be easy to cause visual fatigue if brightness is too high；If bright
Spend low, then it is unintelligible to also result in project content, seriously affects viewing effect.
In a particular application, human eye can be replaced to be detected at default view position automatically by machine vision technique
Projection screen brightness.Specifically the picture shown on projection screen can be shot by the way that the video camera at default view position is arranged in
Face, and then vision of the display effect of obtained image data come sunykatuib analysis human eye viewing projection screen when is shot by analysis
Effect.
Step S30 is specifically included:
Step S331: if the brightness of the projection screen does not meet human eye vision requirement, the view field is adjusted
The brightness of lighting apparatus, until the brightness of the projection screen meets human eye vision requirement.
In a particular application, the projection screen brightness for meeting human eye vision requirement specifically refers to that throwing seen by person can be made
Shadow content is clear and is not easy to cause visual fatigue.If the brightness of projection screen is too high, suitably turn down, conversely, then appropriate be turned up
The brightness of projection screen.
The present embodiment is by detecting current projection screen brightness in default view position, and by projection screen brightness regulation
To the brightness value for meeting human eye vision requirement, Projection Display effect can effectively improve, improve user experience.
As shown in figure 5, one embodiment of the present of invention provides a kind of projection environment brightness control system 100, for executing
Method and step in embodiment corresponding to Fig. 1 comprising:
First luminance adjustment module 10, if for starting projection device, by the brightness value of the lighting apparatus of view field
It is adjusted to the first brightness value, the view field is projection screen region；
Context detection module 20 is projected, for detecting current projection environment；
Second luminance adjustment module 30, for adjusting the view field or non-view field according to the projection environment
Lighting apparatus brightness value.
In a particular application, be specifically as follows can be to each region for the first luminance adjustment module and the second luminance adjustment module
All lighting apparatus carry out comprehensive coordination control light modulator.
In one embodiment, above-mentioned projection environment brightness control system, further includes:
Third luminance adjustment module, if for closing projection device, by the brightness value tune of the lighting apparatus of view field
Section is brightness value corresponding with Current projection scene.
The present embodiment by when starting projection device automatically adjust view field lighting apparatus brightness value, and
In projection process, the brightness value of the lighting apparatus of view field and non-view field is adjusted according to current projection environment, it can be with
Realize that the intelligence of the brightness of illumination to projection place is adjusted, intelligent and high-efficiency and regulating effect is preferable.
As shown in fig. 6, in one embodiment of the invention, projection environment brightness control system 100 shown in FIG. 1 also wraps
Include the structure for executing the method and step in embodiment corresponding to Fig. 2.
Wherein, projection context detection module 20 includes:
Project content detection unit 211, for detecting current project content and judging the affiliated of the project content
File type；
Second luminance adjustment module 30 includes:
First brightness adjusting unit 311, if belonging to the first kind for the project content, by the photograph of non-view field
The brightness value of bright equipment is adjusted to the second brightness value suitable for writing, and the first kind includes teaching courseware；
Second brightness adjusting unit 312, if belonging to the first kind for the project content and to demonstrate text, basis
The brightness value of the lighting apparatus of view field described in the background color and brightness regulation of the demonstration text；
Third brightness adjusting unit 313 closes non-view field if belonging to Second Type for the project content
The brightness value of the lighting apparatus of non-view field is adjusted to third brightness value by lighting apparatus, and the Second Type includes pure sight
The multimedia file of reward property.
In one embodiment, context detection module 20 is projected further include:
Text detection unit is demonstrated, for detecting background color and the brightness of the demonstration text.
In a particular application, demonstration text detection unit includes colorimeter and luminance meter.
The present embodiment is set by adjusting the illumination of view field and non-view field according to type belonging to project content
Standby brightness value can effectively improve Projection Display effect, improve the visual experience of the related personnel of viewing project content.
As shown in fig. 7, in one embodiment of the invention, projection environment brightness control system 100 shown in FIG. 1 also wraps
Include the structure for executing the method and step in embodiment corresponding to Fig. 3.
Wherein, projection context detection module 20 includes:
Personnel are distributed detection unit 221, for detecting personnel's distribution situation of the current non-view field, the people
Member's distribution situation includes personnel's distribution density；
Second luminance adjustment module 30 includes:
4th brightness adjusting unit 321, for personnel's distribution density in the non-view field to be greater than or equal to first
The brightness value of the lighting apparatus in the region of density value is adjusted to the 4th brightness value；
5th brightness adjusting unit 322, for personnel's distribution density in the non-view field to be greater than the second density value
And the 5th brightness value is adjusted to less than the brightness value of the lighting apparatus in the region of the first density value；
6th brightness adjusting unit 323, for closing in the non-view field personnel's distribution density less than the second density
The lighting apparatus in the region of value, or by personnel's distribution density in the non-view field less than the illumination in the region of the second density value
The brightness value of equipment is adjusted to the 6th brightness value.
In one embodiment, projection context detection module 20 is specific further include:
Image acquisition unit, for obtaining the image of the current non-view field；
Face identification unit, the face in described image for identification, and count face quantity；
Computing unit calculates the non-throwing for the preset area according to the face quantity and the non-view field
Personnel's distribution density in shadow zone domain.
The present embodiment is by adjusting the brightness value of lighting apparatus, Ke Yiyou according to personnel's distribution situation of non-view field
Effect improves illuminating effect and saves illumination electric energy simultaneously, avoids unnecessary waste of energy.
As shown in figure 8, in one embodiment of the invention, projection environment brightness control system 100 shown in FIG. 1 also wraps
Include the structure for executing the method and step in embodiment corresponding to Fig. 4.
Wherein, projection context detection module 20 includes:
Projection screen brightness detection unit 231, for being detected currently from the default view position of the non-view field
The brightness of projection screen；
Second luminance adjustment module 30 includes:
7th brightness adjusting unit 331 is adjusted if the brightness for the projection screen does not meet human eye vision requirement
The brightness of the lighting apparatus of the view field, until the brightness of the projection screen meets human eye vision requirement.
The present embodiment is by detecting current projection screen brightness in default view position, and by projection screen brightness regulation
To the brightness value for meeting human eye vision requirement, Projection Display effect can effectively improve, improve user experience.
As shown in figure 9, respectively being projected included by detection module 20 shown in Fig. 5~8 in one embodiment of the present of invention
Each unit can be co-located on together, and each unit included by the second luminance adjustment module 30 can also be co-located on one
It rises, constitutes the projection environment brightness control system that can execute method and step corresponding to any one embodiment of Fig. 1~4
100。
It should be understood that the size of the serial number of each step is not meant that the order of the execution order in above-described embodiment, each process
Execution sequence should be determined by its function and internal logic, the implementation process without coping with the embodiment of the present invention constitutes any limit
It is fixed.
Figure 10 is the schematic diagram for the terminal device 200 that one embodiment of the invention provides.As shown in Figure 10, the end of the embodiment
End equipment 200 includes: processor 201, memory 202 and is stored in the memory 202 and can be in the processor
The computer program 203 run on 201.The processor 201 realizes above-mentioned each projection when executing the computer program 203
Step in ambient brightness control method embodiment, such as step S10 to S30 shown in FIG. 1.Alternatively, the processor 201 is held
The function of each module/unit in above-mentioned each Installation practice, such as module shown in Fig. 5 are realized when the row computer program 203
10 to 30 function.
Illustratively, the computer program 203 can be divided into one or more module/units, it is one or
Multiple module/the units of person are stored in the memory 202, and are executed by the processor 201, to complete the present invention.Institute
Stating one or more module/units can be the series of computation machine program instruction section that can complete specific function, the instruction segment
For describing implementation procedure of the computer program 203 in the terminal device 200.For example, the computer program
203 can be divided into the first luminance adjustment module, projection context detection module, the second luminance adjustment module, and each module is specific
Function is as follows:
First luminance adjustment module, if for starting projection device, by the brightness value tune of the lighting apparatus of view field
Section is the first brightness value, and the view field is projection screen region；
Context detection module is projected, for detecting current projection environment；
Second luminance adjustment module, for according to the projection environment, adjusting the view field or non-view field
The brightness value of lighting apparatus.
The terminal device 200 can be the calculating such as desktop PC, notebook, palm PC and cloud server and set
It is standby.The terminal device 200 may include, but be not limited only to, processor 201, memory 202.Those skilled in the art can manage
Solution, diagram 200 are only the example of terminal device 200, do not constitute the restriction to terminal device 200, may include than diagram
More or fewer components perhaps combine certain components or different components, such as the terminal device can also include defeated
Enter output equipment, network access equipment, bus etc..
Alleged processor 201 can be central processing unit (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor is also possible to any conventional processor
Deng.
The memory 202 can be the internal storage unit of the terminal device 200, such as terminal device 200 is hard
Disk or memory.The memory 202 is also possible to be equipped on the External memory equipment of terminal device 200, such as terminal device 200
Plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure Digital, SD) card,
Flash card (Flash Card) etc..Further, the memory 202 can also both include the inside of the terminal device 200
Storage unit also includes External memory equipment.The memory 202 is used to store the computer program and the terminal is set
Other programs and data needed for standby 200.The memory 202, which can be also used for temporarily storing, have been exported or will
The data of output.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each function
Can unit, module division progress for example, in practical application, can according to need and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of described device is divided into different functional unit or module, more than completing
The all or part of function of description.Each functional unit in embodiment, module can integrate in one processing unit, can also
To be that each unit physically exists alone, can also be integrated in one unit with two or more units, it is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.In addition, each function list
Member, the specific name of module are also only for convenience of distinguishing each other, the protection scope being not intended to limit this application.Above system
The specific work process of middle unit, module, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in detail or remembers in some embodiment
The part of load may refer to the associated description of other embodiments.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the present invention.
In embodiment provided by the present invention, it should be understood that disclosed terminal device and method can pass through it
Its mode is realized.For example, terminal device embodiment described above is only schematical, for example, the module or list
Member division, only a kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or
Component can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point is shown
The mutual coupling or direct-coupling or communication connection shown or discussed can be through some interfaces, between device or unit
Coupling or communication connection are connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated module/unit be realized in the form of SFU software functional unit and as independent product sale or
In use, can store in a computer readable storage medium.Based on this understanding, the present invention realizes above-mentioned implementation
All or part of the process in example method, can also instruct relevant hardware to complete, the meter by computer program
Calculation machine program can be stored in a computer readable storage medium, the computer program when being executed by processor, it can be achieved that on
The step of stating each embodiment of the method.Wherein, the computer program includes computer program code, the computer program
Code can be source code form, object identification code form, executable file or certain intermediate forms etc..Computer-readable Jie
Matter may include: can carry the computer program code any entity or device, recording medium, USB flash disk, mobile hard disk,
Magnetic disk, CD, computer storage, read-only memory (ROM, Read-Only Memory), random access memory (RAM,
Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It should be noted that described
The content that computer-readable medium includes can carry out increasing appropriate according to the requirement made laws in jurisdiction with patent practice
Subtract, such as does not include electric carrier signal and electricity according to legislation and patent practice, computer-readable medium in certain jurisdictions
Believe signal.
Embodiment described above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although referring to aforementioned reality
Applying example, invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each
Technical solution documented by embodiment is modified or equivalent replacement of some of the technical features；And these are modified
Or replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution should all
It is included within protection scope of the present invention.
Claims (10)
1. a kind of projection environment brightness control method characterized by comprising
If starting projection device, the brightness value of the lighting apparatus of view field is adjusted to the first brightness value, the projected area
Domain is projection screen region；
Detect current projection environment；
According to the projection environment, the brightness value of the lighting apparatus of the view field or non-view field is adjusted.
2. projection environment brightness control method as described in claim 1, which is characterized in that the projection environment includes in projection
Hold；
The current projection environment of the detection, comprising:
It detects current project content and judges the affiliated file type of the project content；
It is described according to the projection environment, adjust the brightness value of the lighting apparatus of the view field or non-view field, comprising:
If the project content belongs to the first kind, the brightness value of the lighting apparatus of non-view field is adjusted to be suitable for writing
The second brightness value, the first kind includes teaching courseware；
If the project content belongs to the first kind and to demonstrate text, according to the background color of the demonstration text and brightness
Adjust the brightness value of the lighting apparatus of the view field；
If the project content belongs to Second Type, the lighting apparatus of non-view field is closed or by the illumination of non-view field
The brightness value of equipment is adjusted to third brightness value, and the Second Type includes the multimedia file of pure ornamental value.
3. projection environment brightness control method as described in claim 1, which is characterized in that the projection environment includes described non-
Personnel's distribution situation of view field；
The current projection environment of the detection, comprising:
Personnel's distribution situation of the current non-view field of detection, personnel's distribution situation includes personnel's distribution density；
It is described according to the projection environment, adjust the brightness value of the lighting apparatus of the view field or non-view field, comprising:
Personnel's distribution density in the non-view field is greater than or equal to the brightness of the lighting apparatus in the region of the first density value
Value is adjusted to the 4th brightness value；
Personnel's distribution density in the non-view field is greater than to the illumination in the second density value and the region less than the first density value
The brightness value of equipment is adjusted to the 5th brightness value；
The lighting apparatus of personnel's distribution density in the non-view field less than the region of the second density value is closed, or will be described non-
Personnel's distribution density is adjusted to the 6th brightness value less than the brightness value of the lighting apparatus in the region of the second density value in view field.
4. projection environment brightness control method as described in claim 1, which is characterized in that the projection environment includes described non-
The brightness of projection screen at the default view position of view field；
The current projection environment of the detection, comprising:
The brightness of current projection screen is detected from the default view position of the non-view field；
It is described according to the projection environment, adjust the brightness value of the lighting apparatus of the view field or non-view field, comprising:
If the brightness of the projection screen does not meet human eye vision requirement, the bright of the lighting apparatus of the view field is adjusted
Degree, until the brightness of the projection screen meets human eye vision requirement.
5. a kind of projection environment brightness control system characterized by comprising
First luminance adjustment module, if being adjusted to the brightness value of the lighting apparatus of view field for starting projection device
First brightness value, the view field are projection screen region；
Context detection module is projected, for detecting current projection environment；
Second luminance adjustment module, for adjusting the illumination of the view field or non-view field according to the projection environment
The brightness value of equipment.
6. projection environment brightness control system as claimed in claim 5, which is characterized in that the projection environment includes in projection
Hold；
The projection context detection module includes:
Project content detection unit, for detecting current project content and judging the affiliated files classes of the project content
Type；
Second luminance adjustment module includes:
First brightness adjusting unit, if belonging to the first kind for the project content, by the lighting apparatus of non-view field
Brightness value be adjusted to suitable for write the second brightness value, the first kind includes teaching courseware；
Second brightness adjusting unit is drilled according to if belonging to the first kind for the project content and to demonstrate text
Show text background color and brightness regulation described in view field lighting apparatus brightness value；
Third brightness adjusting unit, if belonging to Second Type for the project content, the illumination for closing non-view field is set
Standby or the brightness value of the lighting apparatus of non-view field is adjusted to third brightness value, the Second Type includes pure ornamental value
Multimedia file.
7. projection environment brightness control system as claimed in claim 5, which is characterized in that the projection environment includes described non-
Personnel's distribution situation of view field；
The projection context detection module includes:
Personnel are distributed detection unit, for detecting personnel's distribution situation of the current non-view field, personnel's distribution
Situation includes personnel's distribution density；
Second luminance adjustment module includes:
4th brightness adjusting unit, for personnel's distribution density in the non-view field to be greater than or equal to the first density value
The brightness value of the lighting apparatus in region is adjusted to the 4th brightness value；
5th brightness adjusting unit, for will personnel's distribution density in the non-view field greater than the second density value and less than the
The brightness value of the lighting apparatus in the region of one density value is adjusted to the 5th brightness value；
6th brightness adjusting unit, for closing in the non-view field personnel's distribution density less than the region of the second density value
Lighting apparatus, or it is personnel's distribution density in the non-view field is bright less than the lighting apparatus in the region of the second density value
Angle value is adjusted to the 6th brightness value.
8. projection environment brightness control system as claimed in claim 5, which is characterized in that the projection environment includes described non-
The brightness of projection screen at the default view position of view field；
The projection context detection module includes:
Projection screen brightness detection unit, for detecting current projection screen from the default view position of the non-view field
Brightness；
Second luminance adjustment module includes:
7th brightness adjusting unit adjusts the throwing if the brightness for the projection screen does not meet human eye vision requirement
The brightness of the lighting apparatus in shadow zone domain, until the brightness of the projection screen meets human eye vision requirement.
9. a kind of terminal device, including memory, processor and storage are in the memory and can be on the processor
The computer program of operation, which is characterized in that the processor realizes such as Claims 1-4 when executing the computer program
The step of any one the method.
10. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, and feature exists
In when the computer program is executed by processor the step of any one of such as Claims 1-4 of realization the method.
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| CN201710358604.7A CN108965837B (en) | 2017-05-19 | 2017-05-19 | Projection environment brightness control method and system and terminal equipment |
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|---|---|---|---|
| CN201710358604.7A CN108965837B (en) | 2017-05-19 | 2017-05-19 | Projection environment brightness control method and system and terminal equipment |
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| CN108965837B CN108965837B (en) | 2021-07-06 |
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| CN201710358604.7A Active CN108965837B (en) | 2017-05-19 | 2017-05-19 | Projection environment brightness control method and system and terminal equipment |
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| CN112118437A (en) * | 2020-09-24 | 2020-12-22 | 上海松鼠课堂人工智能科技有限公司 | Virtual reality classroom simulation method and system |
| CN116006061A (en) * | 2021-10-21 | 2023-04-25 | 成都极米科技股份有限公司 | Projection control method, apparatus, electronic device, and computer-readable storage medium |
| CN116256936A (en) * | 2023-03-27 | 2023-06-13 | 广东远合工程科技有限公司 | Brightness control method and device, electronic equipment and storage medium |
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| CN108965837B (en) | 2021-07-06 |
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