CN106802183A - A kind of photosensitive sensors calibration method and terminal - Google Patents
A kind of photosensitive sensors calibration method and terminal Download PDFInfo
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- CN106802183A CN106802183A CN201611080856.XA CN201611080856A CN106802183A CN 106802183 A CN106802183 A CN 106802183A CN 201611080856 A CN201611080856 A CN 201611080856A CN 106802183 A CN106802183 A CN 106802183A
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- 238000005286 illumination Methods 0.000 claims abstract description 296
- 238000001514 detection method Methods 0.000 claims abstract description 76
- 238000005259 measurement Methods 0.000 claims abstract description 27
- 238000012545 processing Methods 0.000 claims abstract description 14
- 238000011088 calibration curve Methods 0.000 claims description 19
- 230000035807 sensation Effects 0.000 claims 2
- 230000033228 biological regulation Effects 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 24
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- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000023077 detection of light stimulus Effects 0.000 description 4
- 230000005236 sound signal Effects 0.000 description 4
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
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Abstract
The embodiment of the present invention provides a kind of terminal, including：Measurement module, for obtaining the photosensitive sensors of the terminal to presetting the first intensity of illumination obtained by photoenvironment detection, obtains illumination meter to the second intensity of illumination obtained by same default photoenvironment detection；Processing module, the difference for obtaining first intensity of illumination and the second intensity of illumination；Calibration module, for being calibrated to the photosensitive sensors according to the difference.The embodiment of the present invention also provides a kind of photosensitive sensors calibration method.Photosensitive sensors calibration method provided in an embodiment of the present invention, the photosensitive sensors of terminal are calibrated using accurate illumination meter, improves the degree of accuracy of terminal photosensitive sensors, can more accurately carry out terminal backlight regulation, lifting Consumer's Experience, reduces power consumption of terminal.
Description
Technical field
The present embodiments relate to but be not limited to intelligent terminal technical field, espespecially a kind of photosensitive sensors calibration method and
Terminal.
Background technology
Existing mobile terminal is commonly provided with existing photosensitive sensors.Photosensitive sensors can be used to detect terminal local environment
The intensity of illumination of middle light, so that the intensity of illumination that mobile terminal is detected according to photosensitive sensors adjusts the brightness of screen
With flickering for keyboard light, keyboard light is automatically turned off in the strong place of light, and somewhat strengthens screen intensity, reach economize on electricity and more
The effect of screen is watched well, keyboard light is automatically opened up in the place of dark, reduce screen intensity.The photosensitive sensors of terminal are surveyed
Whether the intensity of illumination of amount is accurate, has influence on the control to screen backlight, and then influence user's viewing effect and power savings.
Therefore, it is necessary to improve photosensitive sensors accuracy of measurement.
The content of the invention
This application provides a kind of photosensitive sensors calibration method and terminal, it is possible to increase the measurement of photosensitive sensors is accurate
Degree, lifts Consumer's Experience, preferably saves terminal power.
In order to reach the application purpose, a kind of terminal is the embodiment of the invention provides, including：Measurement module, for obtaining
The photosensitive sensors of the terminal obtain illumination meter to same default to presetting the first intensity of illumination obtained by photoenvironment detection
The second intensity of illumination obtained by photoenvironment detection；
Processing module, the difference for obtaining first intensity of illumination and the second intensity of illumination；
Calibration module, for being calibrated to the photosensitive sensors according to the difference.
Optionally, the measurement module obtains the photosensitive sensors of the terminal to presetting the obtained by photoenvironment detection
One intensity of illumination, obtain illumination meter includes to the second intensity of illumination obtained by same default photoenvironment detection：
The measurement module obtains the first intensity of illumination of n groups and the second intensity of illumination, wherein, the photosensitive sensors and institute
It is one group that illumination meter is stated to first intensity of illumination and the second intensity of illumination obtained by same default photoenvironment detection, and not
Intensity of illumination with the default photoenvironment of group is different；
The processing module obtains first intensity of illumination and the difference of the second intensity of illumination to be included：
The processing module obtains the difference of the first intensity of illumination and the second intensity of illumination in every group, obtains n group differences.
Optionally, the calibration module carries out calibration according to the difference to the photosensitive sensors includes：
The n groups difference is fitted, the calibration curve of the first intensity of illumination and difference is set up；
The photosensitive sensors are calibrated based on the calibration curve.
Optionally, the measurement module is used to obtain every group of first intensity of illumination according to following manner and the second illumination is strong
Degree：
Individual first intensities of illumination of m that the photosensitive sensors carry out obtained by m detection to a default photoenvironment are obtained, is obtained
M the second intensities of illumination that the illumination meter carries out obtained by m detection to same default photoenvironment are taken, by the m the first light
Averaged as photosensitive sensors to the first intensity of illumination obtained by default photoenvironment detection according to intensity, by the m the
Two intensities of illumination are averaged as the illumination meter to the second intensity of illumination obtained by the default photoenvironment detection.
Optionally, the measurement module obtains the photosensitive sensors of the terminal to presetting the obtained by photoenvironment detection
One intensity of illumination, obtain illumination meter includes to the second intensity of illumination obtained by same default photoenvironment detection：
The photosensitive sensors are obtained to the first intensity of illumination obtained by light box detection, the illumination meter is obtained to same
The second intensity of illumination obtained by the detection of light box same position, the light box has default intensity of illumination.
The embodiment of the present invention also provides a kind of photosensitive sensors calibration method, including：
The photosensitive sensors of terminal are obtained to presetting the first intensity of illumination obtained by photoenvironment detection, illumination meter pair is obtained
The second intensity of illumination obtained by same default photoenvironment detection；
Obtain the difference of first intensity of illumination and the second intensity of illumination；
The photosensitive sensors are calibrated according to the difference.
Optionally, it is described obtain terminal photosensitive sensors to preset photoenvironment detection obtained by the first intensity of illumination,
Obtain illumination meter includes to the second intensity of illumination obtained by same default photoenvironment detection：
The first intensity of illumination of n groups and the second intensity of illumination are obtained, wherein, the photosensitive sensors and the illumination meter are to same
First intensity of illumination and the second intensity of illumination obtained by one default photoenvironment detection are one group, and the different default light organized
Intensity of illumination according to environment is different；
First intensity of illumination and the difference of the second intensity of illumination of obtaining includes：
The difference of the first intensity of illumination and the second intensity of illumination in every group is obtained, n group differences are obtained.
Optionally, it is described calibration is carried out to the photosensitive sensors according to the difference to include：
The n groups difference is fitted, the calibration curve of the first intensity of illumination and difference is set up；
The photosensitive sensors are calibrated based on the calibration curve.
Optionally, when obtaining the intensity of illumination of n groups first and the second intensity of illumination, according to every group of following manner acquisition the
One intensity of illumination and the second intensity of illumination：
Individual first intensities of illumination of m that the photosensitive sensors carry out obtained by m detection to a default photoenvironment are obtained, is obtained
M the second intensities of illumination that the illumination meter carries out obtained by m detection to same default photoenvironment are taken, by the m the first light
Averaged as photosensitive sensors to the first intensity of illumination obtained by default photoenvironment detection according to intensity, by the m the
Two intensities of illumination are averaged as the illumination meter to the second intensity of illumination obtained by the default photoenvironment detection.
Optionally, it is described obtain terminal photosensitive sensors to preset photoenvironment detection obtained by the first intensity of illumination,
Obtain illumination meter includes to the second intensity of illumination obtained by same default photoenvironment detection：
The photosensitive sensors are obtained to the first intensity of illumination obtained by light box detection, the illumination meter is obtained to same
The second intensity of illumination obtained by the detection of light box same position, the light box has default intensity of illumination.
The embodiment of the present invention also provides a kind of computer-readable recording medium, and be stored with computer executable instructions, described
Above-mentioned photosensitive sensors calibration method is realized when computer executable instructions are performed.
The present embodiment provide photosensitive sensors calibration method, by by photosensitive sensors to be calibrated and illumination meter to same
One presets photoenvironment is detected, compares intensity of illumination of the two acquisition, and photosensitive sensors are entered according to the difference of the two
Row calibration so that photosensitive sensors are more accurate in the measurement of intensity of illumination.Photosensitive sensors school provided in an embodiment of the present invention
The photosensitive sensors of terminal are calibrated by quasi- method using accurate illumination meter, improve terminal photosensitive sensors
The degree of accuracy, can more accurately carry out terminal backlight regulation, lift Consumer's Experience, reduce power consumption of terminal.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is to realize the application one hardware architecture diagram of optional mobile terminal of each embodiment；
Fig. 2 is the schematic diagram of communication system for supporting to be communicated between the application mobile terminal；
Fig. 3 is embodiment of the present invention terminal block diagram；
Fig. 4 is embodiment of the present invention photosensitive sensors calibration method flow chart.
Specific embodiment
Technical scheme is described in detail below in conjunction with drawings and Examples.
The mobile terminal of each embodiment of the application is realized referring now to Description of Drawings.In follow-up description, use
For represent element such as " module ", " part " or " unit " suffix only for being conducive to explanation of the invention, itself
Not 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
Phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP
The mobile terminal of (portable media player), guider etc. and such as numeral TV, desktop computer etc. are consolidated
Determine 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 movement
Outside the element of purpose, construction according to the embodiment of the present invention can also apply to the terminal of fixed type.
Fig. 1 is to realize the application one hardware architecture diagram of optional mobile terminal of each embodiment.
Mobile terminal 1 00 can include wireless communication unit 110, A/V (audio/video) 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.More or less component can alternatively be implemented.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), forward link media (MediaFLO@) Radio Data System, received terrestrial digital broadcasting integrated service
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
ToothTM, radio frequency identification (RFID), Infrared Data Association (IrDA), ultra wide band (UWB), purple honeybeeTMEtc..
Location information module 115 is the module for checking or obtaining the positional information of mobile terminal.Location information module
Typical case be GPS (global positioning system).According to current technology, GPS module 115 is calculated and comes from three or more satellites
Range information and correct time information and the Information application triangulation for calculating, so as to according to longitude, latitude
Highly accurately calculate three-dimensional current location information.Currently, defended using three for calculating the method for position and temporal information
Star and the position that is calculated by using other satellite correction and the error of temporal information.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 in record pattern, speech recognition mode etc. operational mode, and can be by so
Acoustic processing be voice data.Audio (voice) data after treatment can be converted in the case of telephone calling model can
The form for being sent to mobile communication base station via mobile communication module 112 is exported.Microphone 122 can implement various types of making an uproar
Sound eliminates (or suppression) algorithm to eliminate the noise or dry that (or suppression) produces during reception and transmission audio signal
Disturb.
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, metal dome, touch
Plate (for example, detection due to being touched caused by resistance, pressure, electric capacity etc. change sensitive component), roller, rocking bar etc.
Deng.Especially, when touch pad is superimposed upon on display unit 151 in the form of layer, touch-screen can be formed.
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).Photosensitive sensors can be included in sensing unit.
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..Identification module can be that storage uses each of mobile terminal 1 00 for verifying user
Kind of information and subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) can be included
Etc..In addition, the device (hereinafter referred to as " identifying device ") with identification module can take the form of smart card, therefore, know
Other device can be connected via port or other attachment means with mobile terminal 1 00.Interface unit 170 can be used for reception and come from
The input (for example, data message, electric power etc.) of the external device (ED) and input that will be received is transferred in mobile terminal 1 00
One or more elements can be used for transmitting data between mobile terminal and external device (ED).
In addition, when mobile terminal 1 00 is connected with external base, interface unit 170 can serve as allowing by it by electricity
Power provides to the path of mobile terminal 1 00 from base or can serve as allowing the various command signals being input into from base to pass through it
It is transferred to the path of mobile terminal.Be can serve as recognizing that mobile terminal is from the various command signals or electric power of base input
The no signal being accurately fitted within base.Output unit 150 is configured to provide defeated with vision, audio and/or tactile manner
Go out signal (for example, audio signal, vision signal, alarm signal, vibration signal etc.).Output unit 150 can include display
Unit 151, dio Output Modules 152, alarm unit 153 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 unit 151 and touch pad in the form of layer it is superposed on one another to form touch-screen when, display unit
151 can serve as input unit and output device.Display unit 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..
Alarm unit 153 can provide output and be notified to mobile terminal 1 00 with by event.Typical event can be with
Including calling reception, message sink, key signals input, touch input etc..In addition to audio or video is exported, alarm unit
153 can in a different manner provide output with the generation of notification event.For example, alarm unit 153 can be in the form of vibrating
Output is provided, when calling, message or some other entrance communication (incoming communication) are received, alarm list
Unit 153 can provide tactile output (that is, vibrating) to notify to user.Exported by providing such tactile, even if
When in pocket of the mobile phone of user in user, user also can recognize that the generation of various events.Alarm unit 153
The output of the generation of notification event can be provided via display unit 151 or dio Output Modules 152.
Memory 160 can store software program for the treatment and control operation performed by controller 180 etc., Huo Zheke
Temporarily to store oneself data (for example, telephone directory, message, still image, video etc.) through exporting or will export.And
And, memory 160 can store the vibration of various modes on being exported when touching and being applied to touch-screen and audio signal
Data.
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, oneself according to its function through describing mobile terminal.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 application 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 referring now to Fig. 2 descriptions wherein according to the application can be operated.
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.
If any one in the interface that back haul link can be known according to Ganji is constructed, 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 MSC and BSC275 form interface, and BSC275 correspondingly controls BS270 with by forward link signals
It is sent to mobile terminal 1 00.
Based on above-mentioned mobile terminal hardware configuration and communication system, the application method each embodiment is proposed.
It is a kind of special measurement luminosity, the instrument of brightness that illumination meter is also called illumination photometer (lux meter), measures object quilt
The ratio between the degree of illumination is intensity of illumination (abbreviation illumination), namely luminous flux obtained by body surface and face to be illuminated product.It is conventional
Illumination in respect of selenium cell illumination photometer and silicon photocell illumination photometer.Relative to the photosensitive sensors that terminal is configured, illumination meter
Certainty of measurement wants high many, therefore, illumination meter used herein calibrates photosensitive sensors.
Fig. 3 is the application terminal block diagram.As shown in figure 3, the terminal that the application is provided includes：
Measurement module 301, for obtaining the photosensitive sensors of the terminal to presetting first obtained by photoenvironment detection
Intensity of illumination, obtains illumination meter to the second intensity of illumination obtained by same default photoenvironment detection；
Processing module 302, the difference for obtaining first intensity of illumination and the second intensity of illumination；
Calibration module 303, for being calibrated to the photosensitive sensors according to the difference.
The present embodiment provide photosensitive sensors calibration method, by by photosensitive sensors to be calibrated and illumination meter to same
One presets photoenvironment is detected, compares intensity of illumination of the two acquisition, and photosensitive sensors are entered according to the difference of the two
Row calibration so that photosensitive sensors are more accurate in the measurement of intensity of illumination.
When being measured to default photoenvironment using photosensitive sensors and illumination meter, it usually needs the multiple illumination rings of measurement
Border, obtains the intensity of illumination under multiple photoenvironments, such as cover the environment that terminal is likely to be at, such as (there are illumination, nothing at night
Illumination), daytime (indoor, outdoor, there is sunlight, without sunlight) etc. various possible environment.So, to the school of the photosensitive sensors of terminal
It is accurate more accurate.Specifically, in one embodiment of the present invention, the measurement module 301 obtains the photosensitive sensors of terminal
To presetting the first intensity of illumination obtained by photoenvironment detection, illumination meter is obtained to the obtained by same default photoenvironment detection
Two intensities of illumination include：
The measurement module 301 obtains the first intensity of illumination of n groups and the second intensity of illumination, wherein, the photosensitive sensors
To first intensity of illumination and the second intensity of illumination obtained by same default photoenvironment detection it is one group with the illumination meter,
And the intensity of illumination of the default photoenvironment of different groups is different；
The processing module 302 obtains first intensity of illumination and the difference of the second intensity of illumination to be included：
The processing module 302 obtains the difference of the first intensity of illumination and the second intensity of illumination in every group, obtains n groups poor
Value.
Wherein, the difference of the first intensity of illumination and the second intensity of illumination, can be that first the-the second illumination of intensity of illumination is strong
Degree, or second the-the first intensity of illumination of intensity of illumination, it is necessary to be consistent, i.e., every group is all that the first illumination is strong
The-the second intensity of illumination of degree, or be all second the-the first intensity of illumination of intensity of illumination, it is impossible to it is mixed.
Wherein, the intensity of illumination of n groups first and the second intensity of illumination can be to intensity of illumination successively enhanced n illumination
Obtained by environment is detected.Default photoenvironment can be intensity of illumination of the night without lighting condition to sunlight in high noon room
Intensity of illumination, under the n being evenly distributed default photoenvironments.It is of course also possible to be the non-n being evenly distributed a default illumination ring
Border, detects to typical possible photoenvironment, obtains corresponding first intensity of illumination and the second intensity of illumination.N is more than or equal to 1,
Can set as needed, the application is not construed as limiting to this.
In another embodiment of the invention, the calibration module 303 is according to the difference to the photosensitive sensors
Carrying out calibration includes：
The n groups difference is fitted, the calibration curve of the first intensity of illumination and difference is set up；
The photosensitive sensors are calibrated based on the calibration curve.
Specific fit approach has various, such as, the calibration curve can be formed by connecting by multistage broken line.I.e. every group first
Intensity of illumination and corresponding difference constitute a point, according to intensity of illumination order from small to large, each point are sequentially connected
To calibration curve.It is of course also possible to be fitted obtain calibration curve etc. by weighted least-squares.Wherein, based on the calibration
Curve carries out calibration and specifically includes to the photosensitive sensors：After obtaining an intensity of illumination using the photosensitive sensors, search
The calibration curve, obtains corresponding difference under the intensity of illumination, and by the intensity of illumination, plus the difference, (difference is the second illumination
When the intensity of illumination of intensity-the first is acquired) or (difference is first the-the second intensity of illumination of intensity of illumination to subtract the difference
When acquiring), the intensity of illumination after being calibrated, the intensity of illumination after this is calibrated is final as the photosensitive sensors
Measured value.
When intensity of illumination is measured using photosensitive sensors and illumination meter, to each default photoenvironment, can only measure
Once, the first intensity of illumination and the second intensity of illumination under the default photoenvironment are obtained, it is also possible to which measurement is multiple, obtains multiple
Measured value is strong as the first intensity of illumination under the default photoenvironment and the second illumination using the average value of the plurality of measured value
Degree, so as to eliminate accidental error, improves the degree of accuracy of measurement.Specifically, in another embodiment of the present invention, the measurement
Module is used to obtain every group of first intensity of illumination and the second intensity of illumination according to following manner：
Individual first intensities of illumination of m that the photosensitive sensors carry out obtained by m detection to a default photoenvironment are obtained, is obtained
M the second intensities of illumination that the illumination meter carries out obtained by m detection to same default photoenvironment are taken, by the m the first light
Averaged as photosensitive sensors to the first intensity of illumination obtained by default photoenvironment detection according to intensity, by the m the
Two intensities of illumination are averaged as the illumination meter to the second intensity of illumination obtained by the default photoenvironment detection.M is more than
Equal to 1, can specifically set as needed.
For ensure photosensitive sensors and illumination meter measurement be same default photoenvironment, can be by photosensitive sensors and light
The same position being placed in same light box according to meter is measured.In one embodiment of the present invention, the measurement module is obtained
The photosensitive sensors of terminal are taken to presetting the first intensity of illumination obtained by photoenvironment detection, illumination meter is obtained to same default light
Include according to the second intensity of illumination obtained by environment measuring：
The photosensitive sensors are obtained to the first intensity of illumination obtained by light box detection, the illumination meter is obtained to same
The second intensity of illumination obtained by the detection of light box same position, the light box has default intensity of illumination.
A kind of implementation is：The intensity of illumination of light box is set, the photosensitive sensors of terminal to be calibrated is put into light box,
The first intensity of illumination is obtained, terminal to be calibrated is taken out, illumination meter is put into the same position of same light box, obtain the second illumination strong
Degree, so as to obtain one group of first intensity of illumination and the second intensity of illumination.Change the intensity of illumination of light box, carry out identical operation,
Obtain another group of the first intensity of illumination and the second intensity of illumination.The like, obtain the first intensity of illumination of n groups and the second illumination is strong
Degree.
It is of course also possible to not use light box.
It should be noted that measurement module 301, processing module 302, calibrating die in terminal provided in an embodiment of the present invention
Block 303 can be set in controller 180 in Fig. 1.
Above-mentioned all optional technical schemes, during alternative embodiment of the invention can be formed using any combination, herein not
Repeat again.
Fig. 4 is a kind of photosensitive sensors calibration method flow chart provided in an embodiment of the present invention, as shown in figure 4, of the invention
The photosensitive sensors calibration method that embodiment is provided includes：
Step 401, obtains the photosensitive sensors of terminal to presetting the first intensity of illumination obtained by photoenvironment detection, obtains
Illumination meter is to the second intensity of illumination obtained by same default photoenvironment detection；
Step 402, obtains the difference of first intensity of illumination and the second intensity of illumination；
The photosensitive sensors are calibrated by step 403 according to the difference.
In an implementation method of the application, the photosensitive sensors for obtaining terminal are to default photoenvironment detection gained
The first intensity of illumination, obtain illumination meter includes to the second intensity of illumination obtained by same default photoenvironment detection：
The first intensity of illumination of n groups and the second intensity of illumination are obtained, wherein, the photosensitive sensors and the illumination meter are to same
First intensity of illumination and the second intensity of illumination obtained by one default photoenvironment detection are one group, and the different default light organized
Intensity of illumination according to environment is different；
First intensity of illumination and the difference of the second intensity of illumination of obtaining includes：
The difference of the first intensity of illumination and the second intensity of illumination in every group is obtained, n group differences are obtained.
It is described that calibration bag is carried out to the photosensitive sensors according to the difference in another embodiment herein
Include：
The n groups difference is fitted, the calibration curve of the first intensity of illumination and difference is set up；
The photosensitive sensors are calibrated based on the calibration curve.
In another embodiment herein, methods described also includes, every group of first illumination is obtained according to following manner
Intensity and the second intensity of illumination：
Individual first intensities of illumination of m that the photosensitive sensors carry out obtained by m detection to a default photoenvironment are obtained, is obtained
M the second intensities of illumination that the illumination meter carries out obtained by m detection to same default photoenvironment are taken, by the m the first light
Averaged as photosensitive sensors to the first intensity of illumination obtained by default photoenvironment detection according to intensity, by the m the
Two intensities of illumination are averaged as the illumination meter to the second intensity of illumination obtained by the default photoenvironment detection.
In the another implementation method of the application, the photosensitive sensors for obtaining terminal are to default photoenvironment detection institute
The first intensity of illumination for obtaining, obtain illumination meter includes to the second intensity of illumination obtained by same default photoenvironment detection：
The photosensitive sensors are obtained to the first intensity of illumination obtained by light box detection, the illumination meter is obtained to same
The second intensity of illumination obtained by the detection of light box same position, the light box has default intensity of illumination.
Treatment details on the photosensitive sensors calibration method is referred to above-mentioned photosensitive sensors calibrating installation
Description, therefore here is omitted.
The present invention is further illustrated below by an example.
Step 501, obtains detected value i of the photosensitive sensors to a default photoenvironment1,i2,i3, illumination meter is to same pre-
If the detected value j of photoenvironment1,j2,j3, obtain i1,i2,i3Average I1,j1,j2,j3Average J1, change default photoenvironment
Intensity of illumination, I is obtained in the same way2To I10,J2To J10；
Step 502, obtains I1And J1Difference K1=I1-J1, with such figure, obtain K2To K10；
Step 503, to (I1,K1) to (I10,K10) be fitted, obtain calibration curve；
Step 504, calibrates according to the calibration curve to the intensity of illumination that photosensitive sensors are detected.
Additionally, the embodiment of the present invention also provides a kind of computer-readable recording medium, be stored with computer executable instructions,
The computer executable instructions realize above-mentioned photosensitive sensors calibration method when being performed.
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.
One of ordinary skill in the art will appreciate that all or part of step in the above method can be instructed by program
Related hardware (such as processor) is completed, and described program can be stored in computer-readable recording medium, such as read-only storage,
Disk or CD etc..Alternatively, all or part of step of above-described embodiment can also be come using one or more integrated circuits
Realize.Correspondingly, each module/unit in above-described embodiment can be realized in the form of hardware, such as by integrated circuit
To realize its corresponding function, it would however also be possible to employ the form of software function module is realized, is such as stored in by computing device
Program/instruction in reservoir realizes its corresponding function.The present invention is not restricted to the knot of the hardware and software of any particular form
Close.
The preferred embodiment of the application is these are only, the scope of the claims of the application is not thereby limited, it is every to utilize this Shen
Please the equivalent structure made of specification and accompanying drawing content or equivalent flow conversion, or be directly or indirectly used in other related skills
Art field, is similarly included in the scope of patent protection of the application.
Claims (10)
1. a kind of terminal, it is characterised in that including：
Measurement module, the photosensitive sensors for obtaining the terminal are strong to the first illumination obtained by default photoenvironment detection
Degree, obtains illumination meter to the second intensity of illumination obtained by same default photoenvironment detection；
Processing module, the difference for obtaining first intensity of illumination and the second intensity of illumination；
Calibration module, for being calibrated to the photosensitive sensors according to the difference.
2. terminal as claimed in claim 1, it is characterised in that
The measurement module obtains the photosensitive sensors of the terminal to presetting the first intensity of illumination obtained by photoenvironment detection,
Obtain illumination meter includes to the second intensity of illumination obtained by same default photoenvironment detection：
The measurement module obtains the first intensity of illumination of n groups and the second intensity of illumination, wherein, the photosensitive sensors and the light
It is one group according to counting to first intensity of illumination and the second intensity of illumination obtained by same default photoenvironment detection, and different groups
Default photoenvironment intensity of illumination it is different；
The processing module obtains first intensity of illumination and the difference of the second intensity of illumination to be included：
The processing module obtains the difference of the first intensity of illumination and the second intensity of illumination in every group, obtains n group differences.
3. terminal as claimed in claim 2, it is characterised in that the calibration module is sensed according to the difference to the light sensation
Device carries out calibration to be included：
The n groups difference is fitted, the calibration curve of the first intensity of illumination and difference is set up；
The photosensitive sensors are calibrated based on the calibration curve.
4. terminal as claimed in claim 2, it is characterised in that the measurement module is used to obtain every group the according to following manner
One intensity of illumination and the second intensity of illumination：
Obtain m the first intensity of illumination that the photosensitive sensors carry out obtained by m detection to a default photoenvironment, acquisition institute
M the second intensities of illumination that illumination meter carries out obtained by m detection to same default photoenvironment are stated, the m the first illumination is strong
Degree is averaged as photosensitive sensors to the first intensity of illumination obtained by the default photoenvironment detection, by the m the second light
Averaged as the illumination meter to the second intensity of illumination obtained by the default photoenvironment detection according to intensity.
5. the terminal as described in Claims 1-4 is any, it is characterised in that the measurement module obtains the light sensation of the terminal
Sensor obtains illumination meter to same default photoenvironment detection institute to presetting the first intensity of illumination obtained by photoenvironment detection
The second intensity of illumination for obtaining includes：
The photosensitive sensors are obtained to the first intensity of illumination obtained by light box detection, the illumination meter is obtained to same light box
The second intensity of illumination obtained by same position detection, the light box has default intensity of illumination.
6. a kind of photosensitive sensors calibration method, it is characterised in that including：
The photosensitive sensors of terminal are obtained to presetting the first intensity of illumination obtained by photoenvironment detection, illumination meter is obtained to same
The second intensity of illumination obtained by default photoenvironment detection；
Obtain the difference of first intensity of illumination and the second intensity of illumination；
The photosensitive sensors are calibrated according to the difference.
7. method as claimed in claim 6, it is characterised in that the photosensitive sensors of the acquisition terminal are to presetting photoenvironment
The first intensity of illumination obtained by detection, obtains illumination meter to the second intensity of illumination bag obtained by same default photoenvironment detection
Include：
The first intensity of illumination of n groups and the second intensity of illumination are obtained, wherein, the photosensitive sensors and the illumination meter are to same pre-
If first intensity of illumination and the second intensity of illumination obtained by photoenvironment detection are one group, and the different default illumination rings organized
The intensity of illumination in border is different；
First intensity of illumination and the difference of the second intensity of illumination of obtaining includes：
The difference of the first intensity of illumination and the second intensity of illumination in every group is obtained, n group differences are obtained.
8. method as claimed in claim 7, it is characterised in that described that school is carried out to the photosensitive sensors according to the difference
Standard includes：
The n groups difference is fitted, the calibration curve of the first intensity of illumination and difference is set up；
The photosensitive sensors are calibrated based on the calibration curve.
9. method as claimed in claim 7, it is characterised in that obtain the intensity of illumination of n groups first and the second intensity of illumination
When, every group of first intensity of illumination and the second intensity of illumination are obtained according to following manner：
Obtain m the first intensity of illumination that the photosensitive sensors carry out obtained by m detection to a default photoenvironment, acquisition institute
M the second intensities of illumination that illumination meter carries out obtained by m detection to same default photoenvironment are stated, the m the first illumination is strong
Degree is averaged as photosensitive sensors to the first intensity of illumination obtained by the default photoenvironment detection, by the m the second light
Averaged as the illumination meter to the second intensity of illumination obtained by the default photoenvironment detection according to intensity.
10. the method as described in claim 6 to 9 is any, it is characterised in that the photosensitive sensors of the acquisition terminal are to default
The first intensity of illumination obtained by photoenvironment detection, obtains illumination meter to the second illumination obtained by same default photoenvironment detection
Intensity includes：
The photosensitive sensors are obtained to the first intensity of illumination obtained by light box detection, the illumination meter is obtained to same light box
The second intensity of illumination obtained by same position detection, the light box has default intensity of illumination.
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| CN201611080856.XA CN106802183A (en) | 2016-11-30 | 2016-11-30 | A kind of photosensitive sensors calibration method and terminal |
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