CN106713640A - Brightness adjustment method and device - Google Patents
Brightness adjustment method and device Download PDFInfo
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- CN106713640A CN106713640A CN201611224095.0A CN201611224095A CN106713640A CN 106713640 A CN106713640 A CN 106713640A CN 201611224095 A CN201611224095 A CN 201611224095A CN 106713640 A CN106713640 A CN 106713640A
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- brightness value
- picture
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
- H04M1/72439—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages for image or video messaging
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
Abstract
The embodiment of the invention discloses a brightness adjustment device. The brightness adjustment device comprises an acquisition unit, a processing unit and an adjustment unit, wherein the acquisition unit is used for acquiring key frames in video information to be played; the processing unit is used for performing analysis and processing on the key frames so as to acquire a brightness value of each frame picture of the video information to be played; and the adjustment unit is used for adjusting the brightness of a display screen of a terminal on the basis of a relation between the brightness value of each frame picture and a brightness threshold according to preset rules, so that the brightness of the display screen of the terminal is automatically adjusted according to the frame brightness of the played video information, and the interaction capability between a user and the terminal is improved. The embodiment of the invention further discloses a brightness adjustment method at the same time.
Description
Technical field
The present invention relates to the screen intensity regulation technology in the communications field, more particularly to a kind of brightness adjusting method and set
It is standby.
Background technology
With being widely applied for terminal, work, life, amusement of terminal-pair people etc. bring serious influence.In people
In existing entertainment life, by terminal downloads and some video informations can be played, when the timing of screen intensity one of terminal, if
Video information picture is too dark, and user need to deliberately observe video information picture.So usual user watch video information during,
The brightness of terminal screen need to be ceaselessly adjusted, makes eyes of user that video information is watched under pleasant scene, but it is this
The brightness of terminal display is ceaselessly adjusted, broadcasting video information need to be suspended, cause Consumer's Experience poor.
The content of the invention
In view of this, the embodiment of the present invention is expected to provide a kind of brightness adjusting method and equipment, solves existing terminal and broadcasts
When putting video information, user need to ceaselessly adjust the problem of screen luminance of terminal, realize terminal and drawn according to video information is played
The brightness of face automatic brightness adjustment terminal display, improves the interaction capabilities between user and terminal.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of brightness regulation equipment, the equipment includes：Acquiring unit, processing unit and adjustment unit；Wherein：
The acquiring unit, for obtaining the key frame in video information to be played；
The processing unit, for being analyzed treatment to the key frame, obtains the every of the video information to be played
The brightness value of one frame picture；
The adjustment unit, for according to preset rules, brightness value and luminance threshold according to each frame picture it
Between relation, adjust terminal display screen brightness.
Optionally, the processing unit includes：First processing module and Second processing module；Wherein：
The first processing module, for being parsed to the key frame, obtains the every of the video information to be played
The gray value of one frame picture；
The Second processing module, for the gray value according to each frame picture, is calculated using preset algorithm
The brightness value of each frame picture.
Optionally, the adjustment unit includes：Judge module, the first acquisition module and setup module；Wherein：
The judge module, for the relation between the brightness value and luminance threshold that judge each frame picture；
First acquisition module, if being less than or equal to the predetermined threshold value for the brightness value of n-th frame picture, obtains
Take the identification information of the n-th frame picture；Wherein, n is positive integer；
The setup module, for being played to the picture corresponding with the identification information when the video information to be played
When, the display screen brightness value for setting the terminal is predetermined luminance value.
Optionally, the setup module specifically for：
When the video information to be played is played to the picture corresponding with the identification information, the identification information is calculated
Difference between corresponding brightness value and the luminance threshold；
The relation in corresponding relation according to the difference between difference and predetermined luminance value, obtains the predetermined luminance
Value；Wherein, the corresponding relation between the difference and predetermined luminance value is that survey calculation is obtained in advance；
The brightness value for adjusting the display screen of the terminal is the predetermined luminance value.
Optionally, the adjustment unit also includes：Second acquisition module and adjustment module；Wherein：
Second acquisition module, the brightness value for obtaining current environment residing for the terminal；
The adjustment module, for the brightness value according to the current environment and the brightness value of each frame picture, adjusts
The display screen brightness for saving the terminal is predetermined luminance value.
A kind of brightness adjusting method, methods described includes：
Obtain the key frame in video information to be played；
Treatment is analyzed to the key frame, the brightness value of each frame picture of the video information to be played is obtained；
According to preset rules, according to the relation between the brightness value and luminance threshold of each frame picture, terminal is adjusted
Display screen brightness.
Optionally, it is described that treatment is analyzed to the key frame, obtain each frame figure of the video information to be played
The brightness value of piece, including：
The key frame is parsed, the gray value of each frame picture of the video information to be played is obtained；
According to the gray value of each frame picture, the brightness of each frame picture is calculated using preset algorithm
Value.
Optionally, it is described according to preset rules, according to the pass between the brightness value and luminance threshold of each frame picture
System, adjusts the display screen brightness of terminal, including：
Judge the relation between the brightness value and luminance threshold of each frame picture；
If the brightness value of n-th frame picture is less than or equal to the predetermined threshold value, the mark of the n-th frame picture is obtained
Information；Wherein, n is positive integer；
When the video information to be played is played to the picture corresponding with the identification information, the aobvious of the terminal is set
Show that screen brightness value is predetermined luminance value.
Optionally, it is described when the video information to be played is played to the picture corresponding with the identification information, set
The screen brightness value of the terminal is predetermined luminance value, including：
When the video information to be played is played to the picture corresponding with the identification information, the identification information is calculated
Difference between the brightness value of corresponding picture and the luminance threshold；
The relation in corresponding relation according to the difference between difference and predetermined luminance value, obtains the predetermined luminance
Value；Wherein, the corresponding relation between the difference and predetermined luminance value is that survey calculation is obtained in advance；
The brightness value for adjusting the display screen of the terminal is the predetermined luminance value.
Optionally, it is described according to preset rules, according to the pass between the brightness value and luminance threshold of each frame picture
System, adjusts the display screen brightness of terminal, also includes：
Obtain the brightness value of current environment residing for the terminal；
The brightness value of brightness value and each frame picture according to the current environment, adjusts the display screen of the terminal
Curtain brightness is predetermined luminance value.
Brightness adjusting method and equipment that embodiments of the invention are provided, obtain the key in video information to be played
Frame, and treatment is analyzed to key frame, the brightness value of each frame picture of video information to be played is obtained, then according to default
Rule, according to the relation between the brightness value and luminance threshold of each frame picture, adjusts the display screen brightness of terminal；So,
Terminal can automatically adjust the brightness of the display screen of terminal according to the bright dark degree of the picture for playing video information, solve
During existing terminal plays video information, user need to ceaselessly adjust the problem of screen luminance of terminal, realize terminal according to broadcasting
Video information picture brightness automatically adjusts the brightness of terminal display, improves the interaction capabilities between user and terminal.
Brief description of the drawings
Fig. 1 is a hardware architecture diagram for optional mobile terminal for realizing each embodiment of the invention；
Fig. 2 is the communication system architecture schematic diagram that mobile terminal provided in an embodiment of the present invention can be operated；
Fig. 3 is a kind of schematic flow sheet of brightness adjusting method provided in an embodiment of the present invention；
Fig. 4 is the schematic flow sheet of another brightness adjusting method provided in an embodiment of the present invention；
Fig. 5 is the schematic flow sheet of another brightness adjusting method provided in an embodiment of the present invention；
A kind of Fig. 6 brightness regulation equipment application schematic diagram of a scenario provided in an embodiment of the present invention；
Fig. 7 is another brightness regulation equipment application schematic diagram of a scenario provided in an embodiment of the present invention；
Fig. 8 is another brightness regulation equipment application schematic diagram of a scenario provided in an embodiment of the present invention；
Fig. 9 is a kind of structural representation of brightness regulation equipment provided in an embodiment of the present invention；
Figure 10 is the structural representation of another brightness regulation equipment provided in an embodiment of the present invention；
Figure 11 is the structural representation of another brightness regulation equipment provided in an embodiment of the present invention；
A kind of structural representation of brightness regulation equipment that Figure 12 is provided for another embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described.
The mobile terminal of realization each embodiment of the invention is described referring now to accompanying drawing 1.In follow-up description, make
With the suffix of such as " module ", " part " or " unit " for representing element only for being conducive to explanation of the invention, its
Body does not have specific meaning.Therefore, " module " can be used mixedly with " part ".
Mobile terminal can be implemented in a variety of manners.For example, the terminal described in the present invention can include such as moving
It is phone, smart phone, notebook computer, digit broadcasting receiver, personal digital assistant (PDA), panel computer (PAD), portable
The mobile terminal of formula multimedia player (PMP), guider etc. and the such as fixation of numeral TV, desktop computer etc.
Terminal.Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that, except being used in particular for moving mesh
Element outside, construction according to the embodiment of the present invention can also apply to the terminal of fixed type.
Fig. 1 is that the hardware configuration of the mobile terminal for realizing each embodiment of the invention is illustrated.
Mobile terminal 1 00 can include wireless communication unit 110, audio/video (A/V) input block 120, user input
Unit 130, sensing unit 140, output unit 150, memory 160, interface unit 170, controller 180 and power subsystem 190
Etc..Fig. 1 shows the mobile terminal with various assemblies, it should be understood that being not required for implementing all groups for showing
Part, can alternatively implement more or less component, and the element of mobile terminal will be discussed in more detail below.
Wireless communication unit 110 generally includes one or more assemblies, and it allows mobile terminal 1 00 and wireless communication system
Or the radio communication between network.For example, wireless communication unit can include broadcasting reception module 111, mobile communication module
112nd, at least one of wireless Internet module 113, short range communication module 114 and location information module 115.
Broadcasting reception module 111 receives broadcast singal and/or broadcast via broadcast channel from external broadcast management server
Relevant information.Broadcast channel can include satellite channel and/or terrestrial channel.Broadcast management server can be generated and sent
The broadcast singal and/or broadcast related information generated before the server or reception of broadcast singal and/or broadcast related information
And send it to the server of terminal.Broadcast singal can include TV broadcast singals, radio signals, data broadcasting
Signal etc..And, broadcast singal may further include the broadcast singal combined with TV or radio signals.Broadcast phase
Pass information can also be provided via mobile communications network, and in this case, broadcast related information can be by mobile communication mould
Block 112 is received.Broadcast singal can exist in a variety of manners, for example, it can be with the electronics of DMB (DMB)
The form of program guide (EPG), the electronic service guidebooks (ESG) of digital video broadcast-handheld (DVB-H) etc. and exist.Broadcast
Receiver module 111 can receive signal and broadcast by using various types of broadcast systems.Especially, broadcasting reception module 111
Can be wide by using such as multimedia broadcasting-ground (DMB-T), DMB-satellite (DMB-S), digital video
Broadcast-hand-held (DVB-H), Radio Data System, the received terrestrial digital broadcasting integrated service of forward link media (MediaFLO@)
Etc. (ISDB-T) digit broadcasting system receives digital broadcasting.Broadcasting reception module 111 may be constructed such that and be adapted to provide for extensively
Broadcast the various broadcast systems and above-mentioned digit broadcasting system of signal.Via broadcasting reception module 111 receive broadcast singal and/
Or broadcast related information can be stored in memory 160 (or other types of storage medium).
Mobile communication module 112 sends radio signals to base station (for example, access point, node B etc.), exterior terminal
And at least one of server and/or receive from it radio signal.Such radio signal can be logical including voice
Words signal, video calling signal or the various types of data for sending and/or receiving according to text and/or Multimedia Message.
Wireless Internet module 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.The module can be internally or externally
It is couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by the module can include WLAN (WLAN) (Wi-Fi), Wibro
(WiMAX), Wimax (worldwide interoperability for microwave accesses), HSDPA (high-speed downlink packet access) etc..
Short range communication module 114 is the module for supporting junction service.Some examples of short-range communication technology include indigo plant
Tooth TM, radio frequency identification (RFID), Infrared Data Association (IrDA), ultra wide band (UWB), purple honeybee TM etc..
Location information module 115 is the module for checking or obtaining the positional information of mobile terminal.Location information module
115 typical case is GPS (global positioning system).According to current technology, calculated as the location information module 115 of GPS
Range information and correct time information from three or more satellites and the Information application triangulation for calculating,
So as to calculate according to longitude, latitude and highly accurately three-dimensional current location information.Currently, for calculating position and temporal information
Method the error of the position and temporal information for calculating is corrected using three satellites and by using an other satellite.
Additionally, GPS module 115 can be by Continuous plus current location information in real time come calculating speed information.
A/V input blocks 120 are used to receive audio or video signal.A/V input blocks 120 can include the He of camera 121
Microphone 122, the static images that 121 pairs, camera is obtained in Video Capture pattern or image capture mode by image capture apparatus
Or the view data of video is processed.Picture frame after treatment may be displayed on display unit 151.Processed through camera 121
Picture frame afterwards can be stored in memory 160 (or other storage mediums) or sent out via wireless communication unit 110
Send, two or more cameras 121 can be provided according to the construction of mobile terminal.Microphone 122 can be in telephone calling model, note
Sound (voice data) is received via microphone 122 in record pattern, speech recognition mode etc. operational mode, and can be by this
The acoustic processing of sample is voice data.Audio (voice) data after treatment can be converted in the case of telephone calling model
The form that mobile communication base station can be sent to via mobile communication module 112 is exported.Microphone 122 can be implemented various types of
Noise eliminate (or suppress) algorithm eliminating (or suppression) in the noise for receiving and producing during sending audio signal or
Interference.
User input unit 130 can generate key input data to control each of mobile terminal according to the order of user input
Plant operation.User input unit 130 allows the various types of information of user input, and can include keyboard, touch pad (example
Such as, the sensitive component of the change of resistance, pressure, electric capacity etc. caused by detection is due to being touched) etc..Especially, when tactile
Template is superimposed upon when on display unit 151 in the form of layer, can form touch-screen.
Sensing unit 140 detects the current state of mobile terminal 1 00, (for example, mobile terminal 1 00 opens or closes shape
State), the presence or absence of the contact (that is, touch input) of the position of mobile terminal 1 00, user for mobile terminal 1 00, mobile terminal
The acceleration or deceleration movement of 100 orientation, mobile terminal 1 00 and direction etc., and generate for controlling mobile terminal 1 00
The order of operation or signal.For example, when mobile terminal 1 00 is embodied as sliding-type mobile phone, sensing unit 140 can be sensed
The sliding-type phone is opened or closed.In addition, sensing unit 140 can detect power subsystem 190 whether provide electric power or
Whether person's interface unit 170 couples with external device (ED).
Interface unit 170 is connected the interface that can pass through with mobile terminal 1 00 as at least one external device (ED).For example,
External device (ED) can include wired or wireless head-band earphone port, external power source (or battery charger) port, wired or nothing
Line FPDP, memory card port, the port for connecting the device with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Interface unit 170 can be used for receiving the input from external device (ED) (for example, number
It is believed that breath, electric power etc.) and one or more elements for being transferred in mobile terminal 1 00 of the input that will receive or can be with
For transmitting data between mobile terminal and external device (ED).
Output unit 150 can include display module 151 and dio Output Modules 152 etc..
Display unit 151 may be displayed on the information processed in mobile terminal 1 00.For example, when mobile terminal 1 00 is in electricity
During words call mode, display unit 151 can show and converse or other communicate (for example, text messaging, multimedia file
Download etc.) related user interface (UI) or graphic user interface (GUI).When mobile terminal 1 00 is in video calling pattern
Or during image capture mode, display unit 151 can show the image of capture and/or the image of reception, show video or figure
UI or GUI of picture and correlation function etc..
Meanwhile, when display module 151 and touch pad in the form of layer it is superposed on one another to form touch-screen when, display module
151 can serve as input unit and output device.Display module 151 can include liquid crystal display (LCD), thin film transistor (TFT)
In LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc. at least
It is a kind of.Some in these displays may be constructed such that transparence to allow user to be watched from outside, and this is properly termed as transparent
Display, typical transparent display can be, for example, TOLED (transparent organic light emitting diode) display etc..According to specific
Desired implementation method, mobile terminal 1 00 can include two or more display units (or other display devices), for example, moving
Dynamic terminal can include outernal display unit (not shown) and inner display unit (not shown).Touch-screen can be used to detect touch
Input pressure and touch input position and touch input area.
Dio Output Modules 152 can mobile terminal be in call signal reception pattern, call mode, logging mode,
It is that wireless communication unit 110 is received or in memory 160 when under the isotypes such as speech recognition mode, broadcast reception mode
The voice data transducing audio signal of middle storage and it is output as sound.And, dio Output Modules 152 can be provided and movement
The audio output (for example, call signal receives sound, message sink sound etc.) of the specific function correlation that terminal 100 is performed.
Dio Output Modules 152 can include loudspeaker, buzzer etc..
Memory 160 can store software program for the treatment and control operation performed by controller 180 etc., Huo Zheke
Temporarily to store the data that exported or will export.And, memory 160 can store on when touch be applied to it is tactile
Touch vibration and the data of audio signal of the various modes exported during screen.
Memory 160 can include the storage medium of at least one type, and the storage medium includes flash memory, hard disk, many
Media card, card-type memory (for example, SD or DX memories etc.), random access storage device (RAM), static random-access storage
Device (SRAM), read-only storage (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory
(PROM), magnetic storage, disk, CD etc..And, mobile terminal 1 00 can perform memory with by network connection
The network storage device cooperation of 160 store function.
The overall operation of the generally control mobile terminal of controller 180.For example, controller 180 is performed and voice call, data
Communication, video calling etc. related control and treatment.In addition, controller 180 can be included for reproducing (or playback) many matchmakers
The multi-media module 181 of volume data, multi-media module 181 can be constructed in controller 180, or can be structured as and control
Device 180 is separated.Controller 180 can be with execution pattern identifying processing, the handwriting input that will be performed on the touchscreen or picture
Draw input and be identified as character or image.
Power subsystem 190 receives external power or internal power under the control of controller 180 and provides operation each unit
Appropriate electric power needed for part and component.
Various implementation methods described herein can be with use such as computer software, hardware or its any combination of calculating
Machine computer-readable recording medium is implemented.Implement for hardware, implementation method described herein can be by using application-specific IC
(ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), scene can
Programming gate array (FPGA), processor, controller, microcontroller, microprocessor, it is designed to perform function described herein
At least one in electronic unit is implemented, and in some cases, such implementation method can be implemented in controller 180.
For software implementation, the implementation method of such as process or function can with allow to perform the single of at least one function or operation
Software module is implemented.Software code can be come by the software application (or program) write with any appropriate programming language
Implement, software code can be stored in memory 160 and performed by controller 180.
So far, mobile terminal is described according to its function.Below, for the sake of brevity, will description such as folded form,
Slide type mobile terminal in various types of mobile terminals of board-type, oscillating-type, slide type mobile terminal etc. is used as showing
Example.Therefore, the present invention can be applied to any kind of mobile terminal, and be not limited to slide type mobile terminal.
Mobile terminal 1 00 as shown in Figure 1 may be constructed such that using via frame or packet transmission data it is all if any
Line and wireless communication system and satellite-based communication system are operated.
The communication system that mobile terminal wherein of the invention can be operated is described referring now to Fig. 2.
Such communication system can use different air interface and/or physical layer.For example, used by communication system
Air interface includes such as frequency division multiple access (FDMA), time division multiple acess (TDMA), CDMA (CDMA) and universal mobile communications system
System (UMTS) (especially, Long Term Evolution (LTE)), global system for mobile communications (GSM) etc..As non-limiting example, under
The description in face is related to cdma communication system, but such teaching is equally applicable to other types of system.
With reference to Fig. 2, cdma wireless communication system can include multiple mobile terminal 1s 00, multiple base station (BS) 270, base station
Controller (BSC) 275 and mobile switching centre (MSC) 280.MSC280 is configured to and Public Switched Telephony Network (PSTN)
290 form interface.MSC280 is also structured to form interface with the BSC275 that can be couple to base station 270 via back haul link.
Back haul link can in some known interfaces any one construct, the interface includes such as E1/T1, ATM, IP,
PPP, frame relay, HDSL, ADSL or xDSL.It will be appreciated that system can include multiple BSC275 as shown in Figure 2.
Each BS270 can service one or more subregions (or region), by multidirectional antenna or the day of sensing specific direction
Each subregion of line covering is radially away from BS270.Or, each subregion can be by two or more for diversity reception
Antenna is covered.Each BS270 may be constructed such that the multiple frequency distribution of support, and the distribution of each frequency has specific frequency spectrum
(for example, 1.25MHz, 5MHz etc.).
What subregion and frequency were distributed intersects can be referred to as CDMA Channel.BS270 can also be referred to as base station transceiver
System (BTS) or other equivalent terms.In this case, term " base station " can be used for broadly representing single
BSC275 and at least one BS270.Base station can also be referred to as " cellular station ".Or, each subregion of specific BS270 can be claimed
It is multiple cellular stations.
As shown in Figure 2, broadcast singal is sent to broadcsting transmitter (BT) 295 mobile terminal operated in system
100.Broadcasting reception module 111 as shown in Figure 1 is arranged at mobile terminal 1 00 to receive the broadcast sent by BT295
Signal.In fig. 2 it is shown that several global positioning system (GPS) satellites 300.Satellite 300 helps position multiple mobile terminals
At least one of 100.
In fig. 2, multiple satellites 300 are depicted, it is understood that be, it is possible to use any number of satellite obtains useful
Location information.GPS module 115 as shown in Figure 1 is generally configured to coordinate with satellite 300 to be believed with obtaining desired positioning
Breath.Substitute GPS tracking techniques or outside GPS tracking techniques, it is possible to use other of the position of mobile terminal can be tracked
Technology.In addition, at least one gps satellite 300 can optionally or additionally process satellite dmb transmission.
Used as a typical operation of wireless communication system, BS270 receives the reverse link from various mobile terminal 1s 00
Signal.Mobile terminal 1 00 generally participates in call, information receiving and transmitting and other types of communication.Each of the reception of certain base station 270 is anti-
Processed in specific BS270 to link signal.The data of acquisition are forwarded to the BSC275 of correlation.BSC provides call
Resource allocation and the mobile management function of the coordination including the soft switching process between BS270.The number that BSC275 will also be received
According to MSC280 is routed to, it provides the extra route service for forming interface with PSTN290.Similarly, PSTN290 with
MSC280 forms interface, and MSC280 and BSC275 forms interface, and BSC275 correspondingly controls BS270 to believe with by forward link
Number it is sent to mobile terminal 1 00.
Based on above-mentioned mobile terminal hardware configuration and communication system, each embodiment of the invention is proposed.
Embodiments of the invention provide a kind of brightness adjusting method, and shown in reference picture 3, the method is comprised the following steps：
Step 301, the key frame obtained in video information to be played.
Specifically, step 301 obtain key frame in video information to be played can brightness regulation equipment realize.
The brightness regulation equipment can be the terminal that can play video information, for example, can be mobile phone, iPad, notebook, computer etc.
Other playback equipments.
Video information refers to that a series of static images are caught in the way of electric signal, recorded, stored, transmitted and reappeared
Various technologies.Continuous image change it is per second more than more than 24 frames (frame) picture when, according to persistence of vision principle, human eye
The tableaux of single width cannot be distinguished, it appears that be to smooth continuous visual effect, such picture is called video, with directly perceived
The features such as property, certainty, high efficiency and popularity.
Key frame can be the frame with key content, in video information manufacturing process, be pressed when to video information
During contracting, each frame represents a static image.In actual compression, various algorithms can be taken to reduce the capacity of data, its
In algorithm have infra-frame prediction frame (Intra-Prediction frames, I frames), bi-directional predicted frames (Bi-Prediction frames, B frames),
(unidirectional) prediction frame (Prediction frames, P frames).I frames are a full frame compressed coded frames, and full frame image information is carried out JPEG by it
Compressed encoding and transmission, during decoding only with the data of I frames with regard to restructural complete image, I frame delineations image background and motion are led
The details of body, I frames are generated without necessarily referring to other pictures, and I frames are that (its quality is directly influenced together for the reference frame of P frames and B frames
The quality of each frame after in group), I frames are the basic frames (the first frame) of frame group, in a group only one of which I frames, and I frames need not be examined
Consider motion vector, the information content of data is than larger shared by I frames.The prediction of P frames is, with I frames as reference frame, P frames to be found out in I frames
The predicted value and motion vector of " certain point ", take prediction difference and motion vector are transmitted together.The reconstruct of P frames be receiving terminal according to
Motion vector finds out the predicted value of P frames " certain point " and with difference value to obtain P frames " certain point " sample value from I frames, so as to can obtain
To complete P frames.The prediction of B frames is that P frames with I frames above or P frames and below are reference frame, calculates the pre- of B frames " certain point "
Measured value and two motion vectors, and take prediction difference and motion vector transmission.The reconstruct of B frames is that receiving terminal exists according to motion vector
Predicted value is calculated in two reference frames and is sued for peace with difference, B frames " certain point " sample value is obtained, so as to can obtain complete B frames.
Key-frame extraction technique mainly has four kinds of modes：(1) extract via the frame on set time axle as key frame, such as
First frame, intermediate frame or last frame, or as one frame of fixed frame number sampling.(2) it is complicated based on lens movable, content
The features such as property to extract roller between frame.(3) by analyzing video visual content (such as color histogram, movable information etc.) with the time
Situation of change determines the number of required key frame, and is that camera lens extracts key frame according to certain rule.(4) Unsupervised clustering skill
Art, can effectively eliminate the correlation between camera lens, and method comparison is complicated, implements with certain difficulty, and amount of calculation is larger.
Step 302, treatment is analyzed to key frame, obtains the brightness value of each frame picture of video information to be played.
Specifically, step 302 is analyzed treatment to key frame, obtain video information to be played each frame picture it is bright
Angle value can be realized by brightness regulation equipment.
Specifically, brightness value can be used to describe the relative bright-dark degree of color, usually using 0% (black) to 100%
The percentage of (white) is measured.Because key frame is the frame with key content, therefore can be to key frame using corresponding
Algorithmic rule is analyzed treatment, obtains the brightness value of each frame picture of video information to be played.
Wherein can be the certain methods rule that treatment is analyzed to picture to the algorithmic rule that key frame is used, for example
Can be to color characteristic analyze, can with histogram method, accumulative histogram method, Local accumulative histogram method, color layout method,
Centre-to-centre spacing method etc. carries out color statement；Can also be that shape facility is analyzed, geometry parameter method, not displacement method, edge can be used
Direction histogram method, small echo significant coefficient method, tangent line space law etc. carry out the extraction of shape facility；Textural characteristics can also be carried out
Analysis etc..
Step 303, according to preset rules, according to the relation between the brightness value and luminance threshold of each frame picture, regulation
The display screen brightness of terminal.
Specifically, the relation between brightness value and luminance threshold of the step 303 according to preset rules according to each frame picture,
The display screen brightness for adjusting terminal can be realized by brightness regulation equipment.Wherein, preset rules can be according to picture
Method and rule that brightness of the brightness to the display screen of terminal is adjusted；Luminance threshold be according to many experimental results and
The empirical value that actually used situation draws.
The brightness adjusting method that embodiments of the invention are provided, obtains the key frame in video information to be played, and right
Key frame is analyzed treatment, obtains the brightness value of each frame picture of video information to be played, then according to preset rules, root
According to the relation between the brightness value and luminance threshold of each frame picture, the display screen brightness of terminal is adjusted；So, terminal can be with
Bright dark degree according to the picture for playing video information automatically adjusts the brightness of the display screen of terminal, solves existing terminal
When playing video information, user need to ceaselessly adjust the problem of screen luminance of terminal, realize terminal according to broadcasting video information
Picture brightness automatically adjusts the brightness of terminal display, improves the interaction capabilities between user and terminal.
Embodiments of the invention provide a kind of brightness adjusting method, and shown in reference picture 4, the method is comprised the following steps：
Step 401, brightness regulation equipment obtain the key frame in video information to be played.
Specifically, by brightness regulation equipment can be terminal, key frame be I frames as a example by illustrate, terminal is obtained to be waited to broadcast
Put the relevant information of all I frames in video information.
Step 402, brightness regulation equipment are parsed to key frame, obtain each frame picture of video information to be played
Gray value.
Specifically, terminal-pair I frames pictorial information carries out picture color signature analysis, can obtain being wrapped in I frame pictorial informations
The gray value information of the picture of other frames for including.
Step 403, brightness regulation equipment are calculated each frame according to the gray value of each frame picture using preset algorithm
The brightness value of picture.
Specifically, preset algorithm can be the algorithm for calculating the brightness value of picture according to the gray value of picture, algorithm
Can be H=1-L/255, in formula, H represents the gray scale of picture, be one and be more than or equal to 0 and the number less than or equal to 1,
L represents the brightness of picture, therefore the corresponding brightness of gray value information of each picture that terminal can be obtained using above-mentioned formula
Value.
Step 404, brightness regulation equipment judge the relation between the brightness value and luminance threshold of each frame picture.
Specifically, the size that terminal can directly compare between the brightness value and luminance threshold of each frame picture of acquisition is closed
System.
If the brightness value of step 405, n-th frame picture is less than or equal to predetermined threshold value, brightness regulation equipment obtains n-th
The identification information of frame picture.
Wherein, n is positive integer.
Specifically, the identification information of picture can be the information such as the numbering of picture.In terminal-pair video information to be played
The brightness value of all pictures is compared with luminance threshold, then obtains picture in all pictures in video information to be played
Identification information of the brightness value more than or equal to luminance threshold, and come out.
Step 406, when video information to be played is played to the picture corresponding with identification information, brightness regulation equipment set
The display screen brightness value of terminal is predetermined luminance value.
Specifically, under predetermined luminance value is the various scenes for arriving according to practical situations, the eyes for being adapted to user are known
The brightness value of the picture do not played and the display screen to eyes the most comfortable of user.When terminal plays are identified to without statistics
During the picture of information, terminal can not adjust the display screen brightness of terminal, and the brightness for keeping the display screen of original regulation is
Can.During terminal plays information to be played, when picture corresponding to the identification information to statistics is played, terminal can adjust terminal
The brightness value of display screen is predetermined luminance value.
Wherein, step 406 brightness regulation equipment is when video information to be played is played to the picture corresponding with identification information,
The display screen brightness value of terminal is set for predetermined luminance value can be realized by following steps：
Step 406a, when video information to be played is played to the picture corresponding with identification information, brightness regulation equipment meter
Calculate the difference between the brightness value and luminance threshold of picture corresponding to identification information.
Pass in the corresponding relation of step 406b, brightness regulation equipment according to difference between difference and predetermined luminance value
System, obtains predetermined luminance value.
Wherein, the corresponding relation between difference and predetermined luminance value is that survey calculation is obtained in advance.
Step 406c, the brightness value of the display screen of brightness regulation equipment regulation terminal are predetermined luminance value.
Specifically, the corresponding relation between difference and predetermined luminance value can be different between brightness value and luminance threshold
One statistical form of the different predetermined luminance value of difference correspondence.The brightness value that terminal sets the display screen of terminal is predetermined luminance
The method of value can be terminal precalculate the brightness value of picture corresponding to all identification informations for having counted and luminance threshold it
Between difference, then the corresponding relation according to difference in the statistical form of difference and predetermined luminance value, obtains each difference corresponding
Predetermined luminance value, when terminal plays information to be played is to the picture corresponding with identification information, directly adjusts the display screen of terminal
The brightness value of curtain is the predetermined luminance value for obtaining in advance.
The brightness value of the display screen of terminal can also be that band broadcasting video information is played on side for the method for predetermined luminance value,
The i-th I frames picture that can be obtained to the individual I frames picture of i-th (i is positive integer) for obtaining is between i+1 I frame pictures
The brightness value of picture, and treatment is analyzed with luminance threshold, predetermined luminance value is obtained to adjust the bright of the display screen of terminal
Degree.
It should be noted that the explanation in the present embodiment with same steps in other embodiments or concept may be referred to other
Description in embodiment, here is omitted.
The brightness adjusting method that embodiments of the invention are provided, obtains the key frame in video information to be played, and right
Key frame is analyzed treatment, obtains the brightness value of each frame picture of video information to be played, then according to preset rules, root
According to the relation between the brightness value and luminance threshold of each frame picture, the display screen brightness of terminal is adjusted；So, terminal can be with
Bright dark degree according to the picture for playing video information automatically adjusts the brightness of the display screen of terminal, solves existing terminal
When playing video information, user need to ceaselessly adjust the problem of screen luminance of terminal, realize terminal according to broadcasting video information
Picture brightness automatically adjusts the brightness of terminal display, improves the interaction capabilities between user and terminal.
Embodiments of the invention provide a kind of brightness adjusting method, and shown in reference picture 5, the method is comprised the following steps：
Step 501, brightness regulation equipment obtain the key frame in video information to be played.
Step 502, brightness regulation equipment are parsed to key frame, obtain each frame picture of video information to be played
Gray value.
Step 503, brightness regulation equipment are calculated each frame according to the gray value of each frame picture using preset algorithm
The brightness value of picture.
Step 504, brightness regulation equipment obtain the brightness value of current environment residing for terminal.
Specifically, terminal can utilize the brightness sensors such as light sensor to obtain the brightness of the presently described environment of terminal
Value.
Step 505, brightness regulation equipment adjust terminal according to the brightness value of current environment and the brightness value of each frame picture
Display screen brightness be predetermined luminance value.
Specifically, terminal is when the brightness of display screen is adjusted, brightness value and each frame figure simultaneously to current environment are needed
The brightness value of piece is analyzed, the magnitude relationship between the brightness value and the first luminance threshold of relatively more each frame picture, specific ratio
Can be the difference between the brightness value and the first luminance threshold for calculating each frame picture compared with process, then according to difference in difference
Relation corresponding with the relation table of predetermined luminance value, obtains the corresponding predetermined luminance value set of each frame picture；Further according to work as
Magnitude relationship between the brightness value of preceding environment and the second luminance threshold, obtains from the predetermined luminance value set for obtaining and works as front ring
The corresponding predetermined luminance value of brightness value in border, and it is set to the brightness value of terminal display.
For example, the brightness value of current environment is brightness value 95%, the picture of currently playing video information when having sunlight
When brightness value is night 5%, luminance threshold is 50%, difference 45% is obtained in the relation table of predetermined luminance value from difference corresponding
Predetermined luminance value set be the 45% (brightness value of current environment<When 50%), the 75% (brightness value of 50%≤current environment<
90%), 95% (brightness value≤100% of 90%≤current environment), therefore the brightness value of the display screen of terminal can be adjusted
To 95%, now, user can see the information to be played of terminal plays, because when there is sunlight, the display screen of terminal
Brightness ratio it is relatively low when, the video information content of Chu's terminal plays is not seen more；The brightness value of current environment is the brightness at night
Value 10%, the picture of currently playing video information brightness value also for night corresponding brightness value 5% when, it is bright with default from difference
It is the 50% (brightness value of current environment that the corresponding predetermined luminance value set of difference 5% is obtained in the relation table of angle value<When 50%),
75% (the brightness value of 50%≤current environment<90%), 95% (brightness value≤100% of 90%≤current environment), can be by
The brightness of the display screen of terminal is adjusted to pleasant to the eyes of user and can see the pre- of the video information content of broadcasting
If brightness value 50%.
A kind of corresponding brightness regulation equipment application scene of the embodiment of the present invention can be with as shown in fig. 6, user utilizes terminal
During viewing video information, when the video information played is night scene, adjusted due to the brightness value of the display screen of terminal
It is improper, cause user to see the context of situation of specific night scene.
The corresponding another brightness regulation equipment application scene of the embodiment of the present invention can be with as shown in fig. 7, user be using eventually
During the viewing video information of end, when the video information played is night scene, the brightness regulation that terminal is provided using the present invention
Method, according to the monochrome information of picture, the monochrome information of the display screen of terminal is adjusted to predetermined luminance value, in order to user
The particular content in night scene in video information can be seen.
Corresponding another the brightness regulation equipment application scene of the embodiment of the present invention is as shown in figure 8, current context information is
When there is sunlight outdoor, terminal judges that ambient light value is come with the brightness value of the picture of the currently playing video information of terminal simultaneously
Adjust the brightness value of display screen, and adjust the brightness value of the display screen of terminal to suitable predetermined luminance value, in order to
Family can see the particular content in night scene in video information.
It should be noted that the explanation in the present embodiment with same steps in other embodiments or concept may be referred to other
Description in embodiment, here is omitted.
The brightness adjusting method that embodiments of the invention are provided, obtains the key frame in video information to be played, and right
Key frame is analyzed treatment, obtains the brightness value of each frame picture of video information to be played, then according to preset rules, root
According to the relation between the brightness value and luminance threshold of each frame picture, the display screen brightness of terminal is adjusted；So, terminal can be with
Bright dark degree according to the picture for playing video information automatically adjusts the brightness of the display screen of terminal, solves existing terminal
When playing video information, user need to ceaselessly adjust the problem of screen luminance of terminal, realize terminal according to broadcasting video information
Picture brightness automatically adjusts the brightness of terminal display, improves the interaction capabilities between user and terminal.
Embodiments of the invention provide a kind of brightness regulation equipment 6, and the brightness regulation equipment can apply to Fig. 3~5 pair
In a kind of brightness adjusting method that the embodiment answered is provided, shown in reference picture 9, the brightness regulation equipment can include：Obtain single
Unit 61, processing unit 62 and adjustment unit 63, wherein：
Acquiring unit 61, for obtaining the key frame in video information to be played.
Processing unit 62, for being analyzed treatment to key frame, obtains each frame picture of video information to be played
Brightness value.
Adjustment unit 63, for according to preset rules, according to the pass between the brightness value and luminance threshold of each frame picture
System, adjusts the display screen brightness of terminal.
The brightness regulation equipment that embodiments of the invention are provided, obtains the key frame in video information to be played, and right
Key frame is analyzed treatment, obtains the brightness value of each frame picture of video information to be played, then according to preset rules, root
According to the relation between the brightness value and luminance threshold of each frame picture, the display screen brightness of terminal is adjusted；So, terminal can be with
Bright dark degree according to the picture for playing video information automatically adjusts the brightness of the display screen of terminal, solves existing terminal
When playing video information, user need to ceaselessly adjust the problem of screen luminance of terminal, realize terminal according to broadcasting video information
Picture brightness automatically adjusts the brightness of terminal display, improves the interaction capabilities between user and terminal.
Specifically, shown in reference picture 10, processing unit 62 includes：First processing module 621 and Second processing module 622,
Wherein：
First processing module 621, for being parsed to key frame, obtains each frame picture of video information to be played
Gray value.
Second processing module 622, for the gray value according to each frame picture, each frame is calculated using preset algorithm
The brightness value of picture.
Specifically, shown in reference picture 11, adjustment unit 63 includes：Judge module 631, the first acquisition module 632 and setting
Module 633, wherein：
Judge module 631, for the relation between the brightness value and luminance threshold that judge each frame picture.
First acquisition module 632, if being less than or equal to predetermined threshold value for the brightness value of n-th frame picture, obtains n-th
The identification information of frame picture.
Wherein, n is positive integer.
Setup module 633, for when video information to be played is played to the picture corresponding with identification information, setting terminal
Display screen brightness value be predetermined luminance value.
Further specifically, setup module 633 is specifically for performing following steps：
When video information to be played is played to the picture corresponding with identification information, picture corresponding to identification information is calculated
Difference between brightness value and luminance threshold.
The relation in corresponding relation according to difference between difference and predetermined luminance value, obtains predetermined luminance value.
Wherein, the corresponding relation between difference and predetermined luminance value is that survey calculation is obtained in advance.
The brightness value for adjusting the display screen of terminal is predetermined luminance value.
Specifically, shown in reference picture 12, adjustment unit 63 also includes：Second acquisition module 634 and adjustment module 635, its
In：
Second acquisition module 634, the brightness value for obtaining current environment residing for terminal.
Adjustment module 635, for the brightness value according to current environment and the brightness value of each frame picture, adjusts the aobvious of terminal
Show that screen intensity is predetermined luminance value.
It should be noted that the interaction in the present embodiment between unit and module, is referred to Fig. 3~5 pair
Interaction in a kind of brightness adjusting method that the embodiment answered is provided, here is omitted.
The brightness regulation equipment that embodiments of the invention are provided, obtains the key frame in video information to be played, and right
Key frame is analyzed treatment, obtains the brightness value of each frame picture of video information to be played, then according to preset rules, root
According to the relation between the brightness value and luminance threshold of each frame picture, the display screen brightness of terminal is adjusted；So, terminal can be with
Bright dark degree according to the picture for playing video information automatically adjusts the brightness of the display screen of terminal, solves existing terminal
When playing video information, user need to ceaselessly adjust the problem of screen luminance of terminal, realize terminal according to broadcasting video information
Picture brightness automatically adjusts the brightness of terminal display, improves the interaction capabilities between user and terminal.
In actual applications, at acquiring unit 61, processing unit 62, adjustment unit 63, first processing module 621, second
Reason module 622, judge module 631, the first acquisition module 632, setup module 633, the second acquisition module 634 and adjustment module
635 can be by central processing unit (Central Processing Unit, CPU), the micro- place in wireless data transmission equipment
Reason device (Micro Processor Unit, MPU), digital signal processor (Digital Signal Processor, DSP) or
Field programmable gate array (Field Programmable Gate Array, FPGA) etc. is realized.
It should be noted that herein, term " including ", "comprising" or its any other variant be intended to non-row
His property is included, so that process, method, article or device including a series of key elements not only include those key elements, and
And also include other key elements being not expressly set out, or also include for this process, method, article or device institute are intrinsic
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Also there is other identical element in the process of key element, method, article or device.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably implementation method.Based on such understanding, technical scheme is substantially done to prior art in other words
The part for going out contribution can be embodied in the form of software product, and the computer software product is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions are used to so that a station terminal (can be mobile phone, computer, service
Device, air-conditioner, or network equipment etc.) perform method described by each embodiment of the invention.
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram are described.It should be understood that every first-class during flow chart and/or block diagram can be realized by computer program instructions
The combination of flow and/or square frame in journey and/or square frame and flow chart and/or block diagram.These computer programs can be provided
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced for reality by the instruction of computer or the computing device of other programmable data processing devices
The device of the function of being specified in present one flow of flow chart or multiple one square frame of flow and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in can guide computer or other programmable data processing devices with spy
In determining the computer-readable memory that mode works so that instruction of the storage in the computer-readable memory is produced and include finger
Make the manufacture of device, the command device realize in one flow of flow chart or multiple one square frame of flow and/or block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented treatment, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
The preferred embodiments of the present invention are these are only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of brightness regulation equipment, it is characterised in that the equipment includes：Acquiring unit, processing unit and adjustment unit；Its
In：
The acquiring unit, for obtaining the key frame in video information to be played；
The processing unit, for being analyzed treatment to the key frame, obtains each frame of the video information to be played
The brightness value of picture；
The adjustment unit, for according to preset rules, according between the brightness value and luminance threshold of each frame picture
Relation, adjusts the display screen brightness of terminal.
2. equipment according to claim 1, it is characterised in that the processing unit includes：First processing module and second
Processing module；Wherein：
The first processing module, for being parsed to the key frame, obtains each frame of the video information to be played
The gray value of picture；
The Second processing module, for the gray value according to each frame picture, is calculated described using preset algorithm
The brightness value of each frame picture.
3. equipment according to claim 1, it is characterised in that the adjustment unit includes：Judge module, first obtain mould
Block and setup module；Wherein：
The judge module, for the relation between the brightness value and luminance threshold that judge each frame picture；
First acquisition module, if being less than or equal to the predetermined threshold value for the brightness value of n-th frame picture, obtains institute
State the identification information of n-th frame picture；Wherein, n is positive integer；
The setup module, for when the video information to be played is played to the picture corresponding with the identification information, if
The display screen brightness value for putting the terminal is predetermined luminance value.
4. equipment according to claim 3, it is characterised in that the setup module specifically for：
When the video information to be played is played to the picture corresponding with the identification information, the identification information correspondence is calculated
Brightness value and the luminance threshold between difference；
The relation in corresponding relation according to the difference between difference and predetermined luminance value, obtains the predetermined luminance value；
Wherein, the corresponding relation between the difference and predetermined luminance value is that survey calculation is obtained in advance；
The brightness value for adjusting the display screen of the terminal is the predetermined luminance value.
5. equipment according to claim 1, it is characterised in that the adjustment unit also includes：Second acquisition module and tune
Section module；Wherein：
Second acquisition module, the brightness value for obtaining current environment residing for the terminal；
The adjustment module, for the brightness value according to the current environment and the brightness value of each frame picture, adjusts institute
The display screen brightness for stating terminal is predetermined luminance value.
6. a kind of brightness adjusting method, it is characterised in that methods described includes：
Obtain the key frame in video information to be played；
Treatment is analyzed to the key frame, the brightness value of each frame picture of the video information to be played is obtained；
According to preset rules, according to the relation between the brightness value and luminance threshold of each frame picture, the aobvious of terminal is adjusted
Show screen intensity.
7. method according to claim 6, it is characterised in that described to be analyzed treatment to the key frame, obtains institute
The brightness value of each frame picture of video information to be played is stated, including：
The key frame is parsed, the gray value of each frame picture of the video information to be played is obtained；
According to the gray value of each frame picture, the brightness value of each frame picture is calculated using preset algorithm.
8. method according to claim 6, it is characterised in that described according to preset rules, according to each frame picture
Brightness value and luminance threshold between relation, adjust terminal display screen brightness, including：
Judge the relation between the brightness value and luminance threshold of each frame picture；
If the brightness value of n-th frame picture is less than or equal to the predetermined threshold value, the mark letter of the n-th frame picture is obtained
Breath；Wherein, n is positive integer；
When the video information to be played is played to the picture corresponding with the identification information, the display screen of the terminal is set
Curtain brightness value is predetermined luminance value.
9. method according to claim 8, it is characterised in that it is described when the video information to be played play to it is described
During picture corresponding to identification information, the screen brightness value for setting the terminal is predetermined luminance value, including：
When the video information to be played is played to the picture corresponding with the identification information, the identification information correspondence is calculated
Picture brightness value and the luminance threshold between difference；
The relation in corresponding relation according to the difference between difference and predetermined luminance value, obtains the predetermined luminance value；
Wherein, the corresponding relation between the difference and predetermined luminance value is that survey calculation is obtained in advance；
The brightness value for adjusting the display screen of the terminal is the predetermined luminance value.
10. method according to claim 6, it is characterised in that described according to preset rules, according to each frame picture
Brightness value and luminance threshold between relation, adjust terminal display screen brightness, also include：
Obtain the brightness value of current environment residing for the terminal；
The brightness value of brightness value and each frame picture according to the current environment, the display screen for adjusting the terminal is bright
It is predetermined luminance value to spend.
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