CN106017369A - Detection method and device - Google Patents
Detection method and device Download PDFInfo
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- CN106017369A CN106017369A CN201610612626.7A CN201610612626A CN106017369A CN 106017369 A CN106017369 A CN 106017369A CN 201610612626 A CN201610612626 A CN 201610612626A CN 106017369 A CN106017369 A CN 106017369A
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- lens module
- region
- picture
- mobile lens
- module
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
Abstract
The invention discloses a detection method. The method comprises a step of triggering a mobile phone lens module to focus on the target focusing image, a step of collecting the phase detection values of at least two areas in an object image captured by the mobile phone camera module, a step of analyzing the phase detection values of the at least two areas and obtaining an analysis result, and a step of determining that the flatness of the complementary metal oxide semiconductor (CMOS) of the mobile phone camera module meets a standard when the analysis result satisfies a preset condition. The invention also discloses a detection device. By using the invention, the yield of the camera module when a mobile phone leaves a factory can be improved.
Description
Technical field
The present invention relates to the parameter detecting technology of communication technical field, particularly relate to a kind of detection method and device.
Background technology
Cell phone manufacturer, during producing mobile phone, needs to buy camera lens mould from mobile lens module suppliers
Group.In reality, the complementary metal oxide semiconductors (CMOS) of the mobile lens module that camera lens module manufacturer produces
(CMOS, Complementary Metal Oxide Semiconductor) flatness exists certain bad
Rate；To this, camera lens module manufacturer generally uses special instrument to enter the CMOS flatness of mobile lens module
Row detection, is supplied to the camera lens module of cell phone manufacturer for camera lens module manufacturer, and acquiescence is all requisite quality；
But, due to a variety of causes in reality, also result in the Mobile phone mirror head mould that some CMOS flatness are the most up to standard
Group can be provided to cell phone manufacturer.
But, cell phone manufacturer does not has instrumentation, does not possess and detects this index of CMOS flatness
Condition；Further, mobile lens module has been assembled on mobile phone, and this also further increases instrument test
Difficulty；If cell phone manufacturer fails to detect that CMOS flatness exists bad mobile lens module, this portion
Divide mobile lens module will greatly affect the effect of taking pictures of mobile phone, cause monolateral obscuring of taking pictures, reduce hands
The image quality that machine is taken pictures.
Summary of the invention
In view of this, the embodiment of the present invention provides one for solving at least one problem present in prior art
Plant detection method and device.
The technical scheme of the embodiment of the present invention is achieved in that
The embodiment of the present invention provides one detection device, and described detection device includes:
Focusing module, is used for triggering mobile lens module and focuses target focusing picture；
Acquisition module, for gathering at least two region in the object picture that described mobile lens module captures
Phase-detection value；
Analyze module, for the phase-detection value in described at least two region is analyzed, obtain analyzing knot
Really；
Determine module, for when described analysis result meets pre-conditioned, determine described mobile lens module
Complementary metal oxide semiconductors (CMOS) CMOS flatness up to standard.
In such scheme, described Focusing module, specifically for:
The distance focused between picture at described mobile lens module and described target less than hyperfocal distance and is more than
During 120cm, trigger mobile lens module and target focusing picture is focused.
In such scheme, described at least two region at least includes any two regions following: described Mobile phone mirror
The central area of the object picture that head mould group captures；The object picture that described mobile lens module captures
Top left region；The lower left region of the object picture that described mobile lens module captures；Described Mobile phone mirror head mould
The right regions of the object picture that group captures；The bottom right of the object picture that described mobile lens module captures
Region.
In such scheme, described analysis module, specifically for: calculate respectively in described at least two region
The meansigma methods of the phase-detection value of N number of frame in each region；Wherein, N is the integer more than or equal to 2；Root
According to the meansigma methods of phase-detection value of N number of frame in described each region, determine maximum in each meansigma methods with
The difference of minima.
In such scheme, described determine module, specifically for: the maximum in described each meansigma methods with
When the difference of minima is less than or equal to threshold value, determine that the CMOS (Complementary Metal Oxide Semiconductor) of described mobile lens module is partly led
Body CMOS flatness is up to standard.
The embodiment of the present invention provides a kind of detection method, and described method includes:
Trigger mobile lens module target focusing picture is focused；
Gather the phase-detection value at least two region in the object picture that described mobile lens module captures；
The phase-detection value in described at least two region is analyzed, obtains analysis result；
When described analysis result meets pre-conditioned, determine the CMOS (Complementary Metal Oxide Semiconductor) of described mobile lens module
Semiconductor CMOS flatness is up to standard.
In such scheme, target focusing picture is focused by described triggering mobile lens module, including:
The distance focused between picture at described mobile lens module and described target less than hyperfocal distance and is more than
During 120cm, trigger mobile lens module and target focusing picture is focused.
In such scheme, described at least two region at least includes any two regions following: described Mobile phone mirror
The central area of the object picture that head mould group captures；The object picture that described mobile lens module captures
Top left region；The lower left region of the object picture that described mobile lens module captures；Described Mobile phone mirror head mould
The right regions of the object picture that group captures；The bottom right of the object picture that described mobile lens module captures
Region.
In such scheme, the described phase-detection value to described at least two region is analyzed, and is divided
Analysis result, including: calculate the phase-detection value of N number of frame in each region in described at least two region respectively
Meansigma methods；Wherein, N is the integer more than or equal to 2；The phase place of the N number of frame according to described each region
The meansigma methods of detected value, determines the difference of maxima and minima in each meansigma methods.
In such scheme, when described analysis result meets pre-conditioned, determine described mobile lens module
Complementary metal oxide semiconductors (CMOS) CMOS flatness is up to standard, including: the maximum in described each meansigma methods with
When the difference of minima is less than or equal to threshold value, determine that the CMOS (Complementary Metal Oxide Semiconductor) of described mobile lens module is partly led
Body CMOS flatness is up to standard.
Compared with prior art, the detection method of embodiment of the present invention offer and device, by triggering Mobile phone mirror
Target focusing picture is focused by head mould group, gathers in the object picture that described mobile lens module captures
The phase-detection value at least two region, is analyzed obtaining to the phase-detection value in described at least two region
Analysis result, when described analysis result meets pre-conditioned, determines the CMOS of described mobile lens module
Flatness is up to standard.It is to say, for the photographic head of band phase-detection, do not using special measurement equipment
In the case of, carry out defocused by allowing mobile phone face toward target focusing figure, gather representative region in whole picture
Phase-detection value, and the phase-detection value of zones of different is analyzed, i.e. can detect that CMOS flatness is
No up to standard, have simple to operate, measure quick feature, can effectively detect bad camera lens module,
Improve the yields of camera when mobile phone dispatches from the factory.
Accompanying drawing explanation
Fig. 1 is the hardware configuration signal of the optional mobile terminal 100 realizing each embodiment of the present invention
Figure；
Fig. 2 is the wireless communication system schematic diagram of mobile terminal 100 as shown in Figure 1；
Fig. 3 is the electrical structure block diagram of camera；
Fig. 4 is a kind of optional structural representation detecting device in the embodiment of the present invention；
Fig. 5 is the schematic diagram of the square frame graph card at black and white interval in the embodiment of the present invention；
Fig. 6 is the schematic diagram that in the embodiment of the present invention, target focusing picture is focused by mobile lens module；
Fig. 7 is another signal that in the embodiment of the present invention, target focusing picture is focused by mobile lens module
Figure；
Fig. 8 is a kind of optional schematic flow sheet of detection method in the embodiment of the present invention；
Fig. 9 is the another kind of optional schematic flow sheet of detection method in the embodiment of the present invention.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain technical scheme, and
It is not intended to limit the scope of the invention.
The mobile terminal realizing each embodiment of the present invention is described referring now to accompanying drawing.In follow-up description,
Use the suffix of such as " module ", " parts " or " unit " for representing element only for being conducive to this
The explanation of invention, itself does not has specific meaning.Therefore, " module " and " parts " can be mixedly
Use.
Mobile terminal can be implemented in a variety of manners.Such as, the terminal described in the present invention can include all
As mobile phone, smart phone, notebook computer, digit broadcasting receiver, personal digital assistant (PDA),
The mobile terminal of panel computer (PAD), portable media player (PMP), guider etc. with
And the fixed terminal of such as numeral TV, desk computer etc..Hereinafter it is assumed that terminal is mobile terminal.So
And, it will be appreciated by those skilled in the art that in addition to the element except being used in particular for mobile purpose, according to this
The structure of the embodiment of invention can also apply to the terminal of fixed type.
Fig. 1 is the hardware configuration signal of the optional mobile terminal 100 realizing each embodiment of the present invention
Figure, as it is shown in figure 1, mobile terminal 100 can include wireless communication unit 110, audio/video (A/V)
Input block 120, user input unit 130, sensing unit 140, output unit 150, memorizer 160,
Interface unit 170, controller 180 and power subsystem 190 etc..Fig. 1 shows have various assembly
Mobile terminal 100, it should be understood that be not required for implementing all assemblies illustrated.Can be alternatively
Implement more or less of assembly.Will be discussed in more detail below the element of mobile terminal 100.
Wireless communication unit 110 generally includes one or more assembly, and it allows mobile terminal 100 with wireless
Radio communication between communication system or network.Such as, wireless communication unit 110 can include that broadcast connects
Receive module 111, mobile communication module 112, wireless Internet module 113, short range communication module 114 and position
Put at least one in information module 115.
Broadcast reception module 111 via broadcast channel from external broadcasting management server receive broadcast singal and/or
Broadcast related information.Broadcast channel can include satellite channel and/or terrestrial channel.Broadcast management server can
Be generate and send broadcast singal and/or the server of broadcast related information or receive before generate wide
Broadcast signal and/or broadcast related information and send it to the server of terminal.Broadcast singal can include
TV broadcast singal, radio signals, data broadcasting signal etc..And, broadcast singal can enter one
Step includes the broadcast singal combined with TV or radio signals.Broadcast related information can also be via shifting
Dynamic communication network provides, and in this case, broadcast related information can be by mobile communication module 112
Receive.Broadcast singal can exist in a variety of manners, and such as, it can be with DMB (DMB)
Electronic program guides (EPG), the electronic service guidebooks (ESG) of digital video broadcast-handheld (DVB-H)
Etc. form and exist.Broadcast reception module 111 can receive by using various types of broadcast systems
Signal is broadcasted.Especially, broadcast reception module 111 can be by using such as multimedia broadcasting-ground
(DMB-T), DMB-satellite (DMB-S), DVB-hand-held (DVB-H),
Forward link media (MediaFLO@) Radio Data System, received terrestrial digital broadcasting integrated service (ISDB-T)
Etc. digit broadcasting system receive digital broadcasting.Broadcast reception module 111 may be constructed such that and is adapted to provide for
The various broadcast systems of broadcast singal and above-mentioned digit broadcasting system.Receive via broadcast reception module 111
Broadcast singal and/or broadcast related information can be stored in memorizer 160 (or other type of storage is situated between
Matter) in.
Mobile communication module 112 send radio signals to base station (such as, access point, node B etc.),
In exterior terminal and server at least one and/or receive from it radio signal.Such aerogram
Number can include voice call signal, video calling signal or send according to text and/or Multimedia Message
And/or the various types of data received.
Wireless Internet module 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal 100.Wireless Internet mould
Block 113 can internally or externally be couple to terminal.Wireless interconnected involved by wireless Internet module 113
Net access technology can include WLAN (WLAN), Wireless Fidelity (Wi-Fi), without live width
Band (Wibro), worldwide interoperability for microwave access (Wimax), high-speed downlink packet accesses (HSDPA)
Etc..
Short range communication module 114 is the module for supporting junction service.Some examples of short-range communication technology
Including bluetoothTM, RF identification (RFID), Infrared Data Association (IrDA), ultra broadband (UWB), purple
HoneybeeTMEtc..
Positional information module 115 is the module of positional information for checking or obtain mobile terminal 100.Position
The typical case putting information module 115 is global positioning system (GPS) module 115.According to current technology,
GPS module 115 calculate from the range information of three or more satellites and correct time information and for
The Information application triangulation calculated, thus current according to longitude, latitude and highly accurately calculating three-dimensional
Positional information.Currently, for calculating method three satellites of use of position and temporal information and by using
A satellite additionally corrects the position and the error of temporal information calculated.Additionally, GPS module 115 energy
Enough calculate velocity information by Continuous plus current location information in real time.
A/V input block 120 is used for receiving audio or video signal.A/V input block 120 can include
Camera 121 and mike 122, camera 121 in Video Capture pattern or image capture mode by image
Static images or the view data of video that acquisition equipment obtains process.Picture frame after process can show
Show on display unit 151.Picture frame after camera 121 processes can be stored in memorizer 160 (or
Other storage medium) in or be transmitted via wireless communication unit 110, can be according to mobile terminal 100
Structure two or more cameras 121 are provided.Mike 122 can telephone calling model, logging mode,
Speech recognition mode etc. operational mode receives sound (voice data) via mike, and can be by this
The acoustic processing of sample is voice data.Audio frequency (voice) data after process can be at telephone calling model
In the case of be converted to can via mobile communication module 112 be sent to mobile communication base station form output.Mike
Wind 122 can be implemented various types of noise and eliminate (or suppression) algorithm to eliminate (or suppression) in reception
With the noise produced during transmission audio signal or interference.
It is mobile whole to control that user input unit 130 can generate key input data according to the order of user's input
The various operations of end 100.User input unit 130 allows user to input various types of information, and can
With include keyboard, metal dome, touch pad (such as, detection due to touched and cause resistance, pressure,
The sensitive component of the change of electric capacity etc.), roller, rocking bar etc..Especially, when touch pad as a layer
When being superimposed upon on display unit 151, touch screen can be formed.
Sensing unit 140 detects the current state of mobile terminal 100, (such as, the opening of mobile terminal 100
Or closed mode), the position of mobile terminal 100, user for mobile terminal 100 contact (that is, touch
Input) presence or absence, the orientation of mobile terminal 100, the acceleration or deceleration of mobile terminal 100 move and direction
Etc., and generate the order or signal being used for controlling the operation of mobile terminal 100.Such as, when mobile whole
When end 100 is embodied as sliding-type mobile phone, it is to open that sensing unit 140 can sense this sliding-type phone
Or close.It addition, sensing unit 140 can detect whether power subsystem 190 provides electric power or interface
Whether unit 170 couples with external device (ED).
Interface unit 170 is used as at least one external device (ED) and is connected, with mobile terminal 100, the interface that can pass through.
Such as, external device (ED) can include wired or wireless head-band earphone port, external power source (or battery charging
Device) port, wired or wireless FPDP, (typical case is general-purpose serial bus USB to memory card port
Port), there is the port of device of identification module, audio frequency input/output (I/O) port, regard for connecting
Frequently I/O port, ear port etc..Identification module can be that storage is for verifying that user uses mobile terminal
The various information of 100 and subscriber identification module (UIM), client identification module (SIM), logical can be included
With client identification module (USIM) etc..It addition, the device with identification module (hereinafter referred to as " identifies
Device ") can be to take the form of smart card, therefore, identify that device can be via port or other attachment means
It is connected with mobile terminal 100.
Interface unit 170 may be used for receiving input (such as, data message, the electric power from external device (ED)
Etc.) and one or more elements that the input received is transferred in mobile terminal 100 or permissible
For transmitting data between mobile terminal 100 and external device (ED).
It addition, when mobile terminal 100 is connected with external base, interface unit 170 can serve as allowing to lead to
Cross it provide the path of mobile terminal 100 by electric power from base or can serve as allowing from base input
Various command signals are transferred to the path of mobile terminal 100 by it.Various command signals from base input
Or electric power may serve as identifying whether mobile terminal 100 is accurately fitted within the signal on base.
Output unit 150 is configured to provide output signal (such as, with vision, audio frequency and/or tactile manner
Audio signal, video 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 100.Such as, mobile terminal is worked as
100 when being in telephone calling model, display unit 151 can show with call or other communicate (such as,
Text messaging, multimedia file download etc.) relevant user interface (UI) or graphic user interface
(GUI).When mobile terminal 100 is in video calling pattern or image capture mode, display unit 151
Can show capture image and/or the image of reception, illustrate video or image and the UI of correlation function or
GUI etc..
Meanwhile, when display unit 151 and touch pad the most superposed on one another to form touch screen time, aobvious
Show that unit 151 can serve as input equipment and output device.Display unit 151 can include liquid crystal display
(LCD), thin film transistor (TFT) LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display,
At least one in flexible display, three-dimensional (3D) display etc..Some in these display are permissible
Being configured to transparence watch from outside with permission user, this is properly termed as transparent display, the most transparent
Display can for example, TOLED (transparent organic light emitting diode) display etc..Want according to specific
Embodiment, mobile terminal 100 can include two or more display units (or other display device),
Such as, mobile terminal 100 can include that outernal display unit (not shown) and inner display unit (are not shown
Go out).Touch screen can be used for detecting touch input pressure and touch input position and touch input area.
Dio Output Modules 152 can mobile terminal 100 be in call signal receive pattern, call mode,
Time under the isotypes such as logging mode, speech recognition mode, broadcast reception mode, by wireless communication unit 110
Receive or in memorizer 160 storage voice data transducing audio signal and be output as sound.And
And, the audio frequency that dio Output Modules 152 can provide relevant to the specific function of mobile terminal 100 execution is defeated
Go out (such as, call signal receives sound, message sink sound etc.).Dio Output Modules 152 can wrap
Include speaker, buzzer etc..
Alarm unit 153 can provide output to notify event to mobile terminal 100.Typically
Event can include calling reception, message sink, key signals input, touch input etc..Except audio frequency or
Outside video frequency output, alarm unit 153 can provide in a different manner and export the generation with notification event.
Such as, alarm unit 153 can with vibration form provide output, when receive calling, message or some
When other enters communication (incoming communication), alarm unit 153 can provide sense of touch to export
(that is, vibration) is to notify to user.By providing such sense of touch to export, even if in the shifting of user
When mobile phone is in the pocket of user, user also is able to identify the generation of various event.Alarm unit 153
The output of the generation of notification event can also be provided via display unit 151 or dio Output Modules 152.
Memorizer 160 can store the process performed by controller 180 and the software program controlling operation etc.,
Or can temporarily store and export data (such as, telephone directory, message, the static state that maybe will export
Image, video etc.).And, memorizer 160 can store and export about when touch is applied to touch screen
The vibration of various modes and the data of audio signal.
Memorizer 160 can include the storage medium of at least one type, described storage medium include flash memory,
Hard disk, multimedia card, card-type memorizer (such as, SD or DX memorizer etc.), random access store
Device (RAM), static random-access memory (SRAM), read only memory (ROM), electric erasable
Programmable read only memory (EEPROM), programmable read only memory (PROM), magnetic storage,
Disk, CD etc..And, mobile terminal 100 can be connected execution memorizer 160 with by network
The network storage device cooperation of storage function.
Controller 180 generally controls the overall operation of mobile terminal 100.Such as, controller 180 perform with
Control that voice call, data communication, video calling etc. are relevant and process.It addition, controller 180 can
To include that multi-media module 181 can be with structure for reproducing or the multi-media module 181 of multimedia playback data
Make in controller 180, or it is so structured that separate with controller 180.Controller 180 can perform
Pattern recognition process, to be identified as character by the handwriting input performed on the touchscreen or picture drafting input
Or image.
Power subsystem 190 receives external power or internal power under the control of controller 180 and provides behaviour
Make the suitable electric power needed for each element and assembly.
Various embodiment described herein can be to use such as computer software, hardware or its any combination
Computer-readable medium implement.Implementing for hardware, embodiment described herein can be by using
Application-specific IC (ASIC), digital signal processor (DSP), digital signal processing device
(DSPD), programmable logic device (PLD), field programmable gate array (FPGA), processor, control
Device processed, microcontroller, microprocessor, it is designed to perform in the electronic unit of function described herein extremely
Few one is implemented, and in some cases, such embodiment can be implemented in controller 180.Right
Implementing in software, the embodiment of such as process or function can perform at least one function or operation with permission
Single software module implement.Software code can be by the software write with any suitable programming language
Application program (or program) is implemented, and software code can be stored in memorizer 160 and by controller
180 perform.
So far, mobile terminal 100 is described according to its function.Below, for the sake of brevity, will retouch
State various types of movements of such as folded form, board-type, oscillating-type, slide type mobile terminal 100 etc.
Slide type mobile terminal 100 in terminal 100 is as example.Therefore, the present invention can be applied to any class
The mobile terminal 100 of type, and it is not limited to slide type mobile terminal 100.
As shown in Figure 1 mobile terminal 100 may be constructed such that and utilizes via frame or packet transmission data
The most wired and wireless communication system and satellite-based communication system operate.
The communication system being wherein operable to according to the mobile terminal 100 of the present invention is described referring now to Fig. 2.
Such communication system can use different air interfaces and/or physical layer.Such as, by communication system
The air interface used includes such as frequency division multiple access (FDMA), time division multiple acess (TDMA), CDMA
(CDMA) and UMTS (UMTS) (especially, Long Term Evolution (LTE)), the whole world
Mobile communication system (GSM) etc..As non-limiting example, explained below relates to CDMA and leads to
Communication system, but such teaching is equally applicable to other type of system.
With reference to Fig. 2, cdma wireless communication system can include multiple mobile terminal 100, multiple base station (BS)
270, base station controller (BSC) 275 and mobile switching centre (MSC) 280.MSC 280 is constructed
For forming interface with Public Switched Telephony Network (PSTN) 290.MSC 280 be also structured to can be through
The BSC 275 being couple to base station 270 by back haul link forms interface.If back haul link can be known according to Ganji
Interface in any one construct, described interface include such as E1/T1, ATM, IP, PPP, frame relay,
HDSL, ADSL or xDSL.It will be appreciated that system as shown in Figure 2 can include multiple BSC
2750。
Each BS 270 can service one or more subregion (or region), by multidirectional antenna or point to specific
Each subregion that the antenna in direction covers is radially away from BS 270.Or, each subregion can be by being used for
Two or more antennas of diversity reception cover.Each BS 270 may be constructed such that the multiple frequencies of support are divided
Join, and the distribution of each frequency has specific frequency spectrum (such as, 1.25MHz, 5MHz etc.).
Intersecting that subregion and frequency are distributed can be referred to as CDMA Channel.BS 270 can also be referred to as base
Station transceiver subsystem (BTS) or other equivalent terms.In this case, term " base station "
May be used for broadly representing single BSC 275 and at least one BS 270.Base station can also be referred to as " honeybee
Nest station ".Or, each subregion of specific BS 270 can be referred to as multiple cellular station.
As shown in Figure 2, broadcast singal is sent in system operation by broadcsting transmitter (BT) 295
Mobile terminal 100.Broadcast reception module 111 as shown in Figure 1 is arranged on mobile terminal 100 and sentences
Receive the broadcast singal sent by BT295.In fig. 2 it is shown that several satellites 300, such as, can adopt
With global positioning system (GPS) satellite 300.In the multiple mobile terminals 100 in satellite 300 help location extremely
Few one.
In fig. 2, depict multiple satellite 300, it is understood that be, it is possible to use any number of defend
Star obtains useful location information.GPS module 115 is generally configured to and satellite 300 as shown in Figure 1
Coordinate the location information wanted with acquisition.Substitute GPS tracking technique or outside GPS tracking technique,
Other technology of the position that can follow the tracks of mobile terminal 100 can be used.It addition, at least one gps satellite
300 can optionally or additionally process satellite dmb transmission.
As a typical operation of wireless communication system, BS 270 receives from various mobile terminals 100
Reverse link signal.Mobile terminal 100 generally participates in call, information receiving and transmitting communicates with other type of.Special
The each reverse link signal determining base station 270 reception is processed in specific BS 270.The data obtained
It is forwarded to the BSC 275 being correlated with.BSC provides call resource distribution and the soft handover included between BS 270
The mobile management function of the coordination of process.The data received also are routed to MSC 280 by BSC275, its
Extra route service for forming interface with PSTN 290 is provided.Similarly, PSTN 290 and MSC
280 form interface, MSC Yu BSC 275 forms interface, and BSC 275 correspondingly controls BS 270
Forward link signals to be sent to mobile terminal 100.
In mobile terminal, the mobile communication module 112 of wireless communication unit 110 is based on built-in the connecing of mobile terminal
The necessary data entering mobile communications network (such as mobile communications networks such as 2G/3G/4G) (includes that user identifies
Information and authentication information) accessing mobile communication network is the web page browsing of mobile phone users, network multimedia
The business transmission mobile datas such as broadcasting (include up mobile data and descending mobile communication number
According to).
The wireless Internet module 113 of wireless communication unit 110 is by running the related protocol merit of hotspot
Can and realize the function of hotspot, hotspot supports multiple mobile terminals (any outside mobile terminal
Mobile terminal) access, by the mobile communication between multiplexing mobile communication module 112 and mobile communications network
It is connected as the business such as the web page browsing of mobile phone users, network multimedia broadcasting transmission mobile data (bag
Include up mobile data and descending mobile data), owing to mobile terminal substantially multiplexing moves
Dynamic mobile communication between terminal with communication network is connected transmission mobile data, and therefore mobile terminal disappears
The flow of the mobile data of consumption is counted the post and telecommunication tariff of mobile terminal by the charging entity of communication network side,
Thus consume the data traffic of mobile data that the post and telecommunication tariff that mobile terminal signing uses includes.
Fig. 3 is the electrical structure block diagram of camera.
Photographic lens 1211 is made up of the multiple optical lens for forming shot object image, for single-focus lens or
Zoom lens.Photographic lens 1211 can move under the control of lens driver 1221 in the direction of the optical axis,
Lens driver 1221, according to the control signal from lens driving control circuit 1222, controls photographic lens
The focal position of 1211, in the case of zoom lens, it is possible to control focal length.Lens driving controls electricity
Road 1222 carries out the driving control of lens driver 1221 according to the control command from microcomputer 1217
System.
Near the position of the shot object image formed on the optical axis of photographic lens 1211, by photographic lens 1211
It is configured with imaging apparatus 1212.Imaging apparatus 1212 is for imaging shot object image and obtaining photographed images number
According to.On imaging apparatus 1212 two dimension and be arranged in a matrix the photodiode constituting each pixel.Each light
Electric diode produces the opto-electronic conversion electric current corresponding with light income, this opto-electronic conversion electric current by with each photoelectricity two pole
The capacitor that pipe connects carries out charge accumulation.The front surface of each pixel is configured with the RGB colour filter of Bayer arrangement
Device.
Imaging apparatus 1212 is connected with imaging circuit 1213, and this imaging circuit 1213 is at imaging apparatus 1212
In carry out charge accumulation control and picture signal read control, the picture signal (analog picture signal) to this reading
Reduce to reset and carry out waveform shaping after noise, and then carry out gain raising etc. to become suitable signal level.
Imaging circuit 1213 is connected with A/D converter 1214, and this A/D converter 1214 is to analog image
Signal carries out analog digital conversion, to bus 1227 output digital image signal (hereinafter referred to as view data).
Bus 1227 is the transmission path for being transmitted in the various data that the inside of camera reads or generates.?
Bus 1227 is connected to above-mentioned A/D converter 1214, is additionally connected to image processor 1215, JPEG
Processor 1216, microcomputer 1217, SDRAM (Synchronous Dynamic random access
Memory, SDRAM (Synchronous dynamic random access memory)) 1218, memory interface (hereinafter referred to as memorizer
I/F) 1219, LCD (Liquid Crystal Display, liquid crystal display) driver 1220.
Image processor 1215 carries out OB to the view data of output based on imaging apparatus 1212 and subtracts each other place
Reason, blank level adjustment, color matrix computing, gamma conversion, colour difference signal process, noise removal process,
The various image procossing such as change process simultaneously, edge treated.Jpeg processor 1216 is by Imagery Data Recording
In time recording medium 1225, compress the view data read from SDRAM1218 according to JPEG compression mode.
Additionally, jpeg processor 1216 carries out the decompression of jpeg image data to carry out image reproducing to show
Contracting.When decompressing, read record file in record medium 1225, at jpeg processor 1216
In implement decompression after, the view data of decompression is temporarily stored in SDRAM1218 and
Show on LCD1226.It addition, in the present embodiment, decompress mode as compression of images and use
Be JPEG mode, but compressed and decompressed mode is not limited to this, it is of course possible to use MPEG, TIFF,
H.264 other compressed and decompressed mode is waited.
Microcomputer 1217 plays the function in the control portion overall as this camera, is uniformly controlled each of camera
Plant and process sequence.Microcomputer 1217 is connected to operating unit 1223 and flash memory 1224.
Operating unit 1223 includes but not limited to physical button or virtual key, and this entity or virtual key can
Think power knob, key of taking pictures, edit key, dynamic image button, reproduction button, menu button, ten
The operation controls such as various load buttons and various input keys such as keyboard, OK button, deletion button, large buttons
Part, detects the mode of operation of these operational controls.
Testing result is exported to microcomputer 1217.Additionally, the LCD1226's as display
Front surface is provided with touch panel, and the touch location of detection user, by this touch location to microcomputer 1217
Output.Microcomputer 1217, according to the testing result of the operating position from operating unit 1223, performs
The various process sequences corresponding with the operation of user.
Flash memory 1224 storage is for performing the program of the various process sequences of microcomputer 1217.Microcomputer
Calculation machine 1217 carries out, according to this program, the control that camera is overall.Additionally, flash memory 1224 stores the various of camera
Adjusted value, microcomputer 1217 reads adjusted value, carries out the control of camera according to this adjusted value.
SDRAM1218 is can the electric volatile storage rewritten for temporarily store view data etc.
Device.This SDRAM1218 temporarily store from A/D converter 1214 output view data and at image at
Reason device 1215, jpeg processor 1216 etc. have carried out the view data after processing.
Memory interface 1219 is connected with record medium 1225, carries out view data and is attached to picture number
File first-class data write record medium 1225 according to and the control of reading from record medium 1225.Note
Recording medium 1225 for example, can on camera main-body the record such as the memory card of disassembled and assembled freely medium, but not
It is limited to this, it is also possible to be the hard disk etc. being built in camera main-body.
Lcd driver 1210 is connected with LCD1226, the image after being processed by image processor 1215
Data are stored in SDRAM1218, when needing display, read the view data of SDRAM1218 storage also
LCD1226 shows, or, the compressed view data of jpeg processor 1216 is stored in
SDRAM1218, when needs show, jpeg processor 1216 reads the compressed of SDRAM1218
View data, then decompress, the view data after decompressing is shown by LCD1226.
LCD1226 is arranged in the back side of camera main-body to carry out image and shows.This LCD1226LCD, but not
It is limited to this, it would however also be possible to employ the various display floater such as organic EL (LCD1226), but is not limited to this, also
The various display floaters such as organic EL can be used.
Electrical structure schematic diagram based on above-mentioned mobile terminal hardware configuration, communication system, and camera, carries
Go out each embodiment of the present invention.
Fig. 4 is a kind of optional structural representation detecting device in the embodiment of the present invention.As shown in Figure 4,
The detection device that the embodiment of the present invention provides may include that Focusing module 401, acquisition module 402, analyzes mould
Block 403 and determine module 404；Wherein,
Focusing module 401, is used for triggering mobile lens module and focuses target focusing picture.
Here, described Focusing module 401, specifically for: in described mobile lens module and described target pair
When distance between burnt picture is less than hyperfocal distance and more than 120cm, trigger mobile lens module to target pair
Burnt picture is focused.
Specifically, when in using the embodiment of the present invention, mobile lens module is detected by detection device, first
Making an accurate selection of standby target focusing picture, target focusing picture is a kind of graph card specified, and this pictures must have
The ratio edge of comparatively dense, and be evenly distributed, the square frame graph card at the black and white interval of fritter as shown in Figure 5, with
Guarantee that each window can obtain phase-detection (PD, Phase Detection) value more accurately.Then,
Being placed on The Cloud Terrace by mobile phone, card takes whole mobile phone picture, and the distance between mobile phone to card should be little
In hyperfocal distance and more than 120cm；Trigger mobile lens module target focusing picture is focused；See
It is right that target focusing picture shown in Fig. 5 is carried out by mobile phone photograph application (such as, photographing unit) shown in Fig. 6
Burnt schematic diagram；Trigger once focusing and make focusing；If mobile phone exceedes hyperfocal distance to the distance between card,
Then the change of phase-detection value can be smaller, it is difficult to detection；If otherwise distance is the least, the shadow that can be defocused
Ring.In view of out of focus serious time, phase-detection value itself can be forbidden, and once focuses so doing when test.
Acquisition module 402, for gathering at least two in the object picture that described mobile lens module captures
The phase-detection value in region.
Here, described at least two region at least includes following any two or multiple region:
The central area of the object picture that described mobile lens module captures；Described mobile lens module catches
The top left region of the object picture arrived；The lower left region of the object picture that described mobile lens module captures；
The right regions of the object picture that described mobile lens module captures；Described mobile lens module captures
The lower right area of object picture.
In reality, can be with reference to 5 regions: the object picture that described mobile lens module captures
Central area, top left region, lower left region, right regions and lower right area.See the use shown in Fig. 7
When target focusing picture shown in Fig. 5 is focused by mobile phone photograph application, mobile lens module captures
The central area 701 of object picture, top left region 702, lower left region 703, right regions 704 and bottom right
Region 705.
Acquisition module 402 gathers in the object picture that described mobile lens module captures, above-mentioned 5 windows
The phase-detection value of multiple frames of continuous print specified quantity.
Analyze module 403, for the phase-detection value in described at least two region is analyzed, divided
Analysis result.
Here, described analysis module 403, specifically for:
Calculate the meansigma methods of the phase-detection value of N number of frame in each region in described at least two region respectively；
Wherein, N is the integer more than or equal to 2；
The meansigma methods of the phase-detection value of the N number of frame according to described each region, determines in each meansigma methods
Big value and the difference of minima.
It is that as a example by above-mentioned 5 regions, described analysis module 403 calculates institute respectively by described at least two region
State the meansigma methods of the phase-detection value of N number of frame in each region in 5 regions；According to described each region
The meansigma methods of the phase-detection value of N number of frame, counts the maxima and minima in each meansigma methods；Calculate
Big value and the difference of minima；This difference is analysis result.
Determine module 404, for when described analysis result meets pre-conditioned, determine described mobile lens
The complementary metal oxide semiconductors (CMOS) CMOS flatness of module is up to standard.
In reality, owing to the cmos sensor (sensor) of camera lens module cannot ensure in process of production
100% smooth, add the error of phase-detection value, so the embodiment of the present invention is smooth to CMOS
When degree judges, pre-set a threshold value.
Here, described determine module 404, specifically for: judge the maxima and minima in each meansigma methods
Difference whether less than or equal to threshold value:
(if i.e. judging that the difference of the maxima and minima in described each meansigma methods is less than or equal to threshold value), then
Determine that the CMOS flatness of described mobile lens module is up to standard, meet requirement；
Otherwise (i.e. judge that the difference of the maxima and minima in described each meansigma methods is more than threshold value), determine institute
The CMOS flatness stating mobile lens module is the most up to standard, and i.e. the CMOS flatness of mobile lens module is not
Good, this mobile lens module is defective work.
In embodiments of the present invention, lens position when PD value can represent current lens (lens) position and focus
The interpolation put, if CMOS is smooth, the PD value of entire picture zones of different should be consistent.In reality,
Phase-detection auto-focusing (PDAF, Phase Detection Auto Focus) is the one occurred in recent years
Focusing mode with PD value as foundation；It is pointed out that phase place focusing technology should in digital camera field
With the most ripe, the most still at an early stage in smart mobile phone field.Phase place focusing advantage is: only
Needing to calculate and the most just complete focusing, focusing speed is exceedingly fast, and reduces processor computation burden.Phase place pair
Burnt shortcoming is: easily to the not part of the body cavity above the diaphragm housing the heart and lungs under low light environment.
Due to cell phone manufacturer, prior art cannot effectively detect that CMOS flatness exists bad Mobile phone mirror
Head mould group so that this part mobile lens module will greatly affect the effect of taking pictures of mobile phone, causes taking pictures
Monolateral fuzzy, reduce the image quality of mobile phone photograph.Compared with prior art, the embodiment of the present invention provides
In detection device, Focusing module triggers mobile lens module and focuses target focusing picture, acquisition module
Gather the PD value at least two region in the object picture that described mobile lens module captures, analyze module
It is analyzed obtaining analysis result to the PD value in described at least two region, determines that module analyzes knot described
When fruit meets pre-conditioned, determine that the CMOS flatness of described mobile lens module is up to standard.It is to say,
For the photographic head of band PD, in the case of not using special measurement equipment, by allowing mobile phone face toward target
Focusing figure carries out defocused, gathers the PD value of representative region in whole picture, and is the PD of zones of different
Analyze, i.e. can detect that CMOS flatness is the most up to standard, have simple to operate, measure quick feature,
Can effectively detect bad camera lens module, improve the yields of camera when mobile phone dispatches from the factory.
Fig. 8 is a kind of optional schematic flow sheet of detection method in the embodiment of the present invention.As shown in Figure 8,
The detection method that the embodiment of the present invention provides, including:
Target focusing picture is focused by step 801, triggering mobile lens module；
Step 802, gather the phase at least two region in the object picture that described mobile lens module captures
Position detected value；
Step 803, phase-detection value to described at least two region are analyzed, and obtain analysis result；
When step 804, described analysis result meet pre-conditioned, determine the CMOS of described mobile lens module
Flatness is up to standard.
Here, the executive agent of detection method can detection device described in above-mentioned any embodiment.
In embodiments of the present invention, by triggering mobile lens module, target focusing picture is focused, adopt
Collect the phase-detection value at least two region in the object picture that described mobile lens module captures, to described
The phase-detection value at least two region is analyzed obtaining analysis result, meets in described analysis result and presets
During condition, determine that the CMOS flatness of described mobile lens module is up to standard.It is to say, for band phase place
The photographic head of detection, in the case of not using special measurement equipment, by allowing mobile phone face toward target focusing figure
Carry out defocused, gather the phase-detection value of representative region in whole picture, and the phase place of zones of different is examined
Survey is analyzed, and i.e. can detect that CMOS flatness is the most up to standard, has simple to operate, measures the most special
Point, can effectively detect bad camera lens module, improves the yields of camera when mobile phone dispatches from the factory.
On the basis of above-described embodiment, a kind of feasible implementation of step 801 includes: at described hands
When distance between machine camera lens module and described target focusing picture is less than hyperfocal distance and more than 120cm, touch
Send out mobile lens module target focusing picture is focused.
Optionally, described at least two region at least includes any two regions following: described mobile lens module
The central area of the object picture captured；The upper left district of the object picture that described mobile lens module captures
Territory；The lower left region of the object picture that described mobile lens module captures；Described mobile lens module catches
The right regions of the object picture arrived；The lower right area of the object picture that described mobile lens module captures.
On the basis of above-described embodiment, a kind of feasible implementation of step 803, including: count respectively
Calculate the meansigma methods of the phase-detection value of N number of frame in each region in described at least two region；Wherein, N is
Integer more than or equal to 2；The meansigma methods of the phase-detection value of the N number of frame according to described each region, determines
The difference of the maxima and minima in each meansigma methods.
On the basis of above-described embodiment, a kind of feasible implementation of step 804, including: described respectively
When the difference of the maxima and minima in meansigma methods is less than or equal to threshold value, determine described mobile lens module
CMOS flatness is up to standard.
Fig. 9 is the another kind of optional schematic flow sheet of detection method in the embodiment of the present invention.As it is shown in figure 9,
The key step of the detection method that the embodiment of the present invention provides includes:
Step 901, entrance detection program；And graph card is pre-selected: first prepare a special graph card, this
Pictures must have the edge than comparatively dense, and is evenly distributed, the side at fritter black and white interval as shown in Figure 5
Block diagram card, to guarantee that each window can obtain PD value more accurately.
Step 902, mobile phone is placed on test The Cloud Terrace on, test card is parallel with mobile phone, mobile phone distance block
Sheet distance is less than hyperfocal distance, more than 120cm, triggers once focusing and makes focusing.Card must take whole picture
Face.
Step 903, gathering the PD value of nearest some frames of 5 windows, 5 windows are respectively center, a left side
On, upper right, lower-left, bottom right.
The averaged PD values of step 904, respectively 5 nearest some frames of window of statistics, counts maximum PD value
With minimum PD value.
Step 905, judge that the difference of the PD value (MIN) of maximum PD value (MAX) and minimum is the biggest
In threshold value；If then forwarding step 906 to；Otherwise forward step 907 to.
Here, due to camera lens module CMOS sensor in process of production it cannot be guaranteed that 100% smooth,
Add the error of PD, so the judgement to flatness should set a value here, if tested mobile phone
Camera lens module is then judged as defective work more than this setting value, then can sentence less than or equal to this numerical value
It is set to camera lens module smooth for CMOS.
Step 906, judgement mobile lens module flatness are bad.
Step 907, judgement mobile lens module flatness meet requirement.
The detection method that the embodiment of the present invention provides, for the photographic head of band PD, does not use special measurement to set
Standby, can accurately be detected the CMOS flatness of mobile phone by algorithm and special focusing figure, and there is behaviour
Make simple, measure quick feature, effectively detect bad camera lens module, improve camera when mobile phone dispatches from the factory
Yields.
The detection method that the embodiment of the present invention provides can apply to detect device, and this detection method is realized
Function can be realized by the processor caller code in detection device, and certain program code can be protected
Exist in computer-readable storage medium, it is seen then that this detection device at least includes processor and storage medium.
It need to be noted that: the description of apparatus above embodiment, the description with said method embodiment is
It is similar to, there is the beneficial effect that same embodiment of the method is similar, do not repeat.For the inventive method
The ins and outs not disclosed in embodiment, refer to the description of apparatus of the present invention embodiment and understand, for saving
Length, therefore repeats no more.
It need to be noted that: the description of above terminal embodiment item, it is similar for describing with said method,
There is the beneficial effect identical with embodiment of the method, do not repeat.For in the inventive method embodiment
The ins and outs not disclosed, those skilled in the art refer to the description of terminal embodiment of the present invention and understands,
For saving length, repeat no more here.
Detection module, option display module, hiding module and figure in the terminal that the embodiment of the present invention provides
Mark display module can be realized by the processor in terminal；The most also can be by concrete logic circuit
Realize；During specific embodiment, processor can be central processing unit (CPU), microprocessor
(MPU), digital signal processor (DSP) or field programmable gate array (FPGA) etc..
Should be understood that during description is in the whole text that " embodiment " or " embodiment " mentioned means with real
Execute the relevant special characteristic of example, structure or characteristic to be included at least one embodiment of the present invention.Therefore,
Not necessarily refer in " in one embodiment " or " in one embodiment " that entire disclosure occurs everywhere
Identical embodiment.Additionally, these specific features, structure or characteristic can combine in any suitable manner
In one or more embodiments.Should be understood that in various embodiments of the present invention, the sequence of above-mentioned each process
Number size be not meant to the priority of execution sequence, the execution sequence of each process should be patrolled with its function and inherence
Collect and determine, and the implementation process of the embodiment of the present invention should not constituted any restriction.The invention described above embodiment
Sequence number, just to describing, does not represent the quality of embodiment.
It should be noted that in this article, term " include ", " comprising " or its any other variant meaning
Containing comprising of nonexcludability, so that include the process of a series of key element, method, article or dress
Put and not only include those key elements, but also include other key elements being not expressly set out, or also include for
The key element that this process, method, article or device are intrinsic.In the case of there is no more restriction, by
The key element that statement " including ... " limits, it is not excluded that including the process of this key element, method, thing
Product or device there is also other identical element.
In several embodiments provided herein, it should be understood that disclosed equipment and method, can
To realize by another way.Apparatus embodiments described above is only schematically, such as, and institute
Stating the division of unit, be only a kind of logic function and divide, actual can have other dividing mode when realizing,
As: multiple unit or assembly can be in conjunction with, or it is desirably integrated into another system, or some features can be neglected
Slightly, or do not perform.It addition, the coupling each other of shown or discussed each ingredient or directly coupling
Close or communication connection can be the INDIRECT COUPLING by some interfaces, equipment or unit or communication connection, can
Be electrical, machinery or other form.
The above-mentioned unit illustrated as separating component can be or may not be physically separate, as
The parts that unit shows can be or may not be physical location；Both may be located at a place, it is possible to
To be distributed on multiple NE；Part or all of unit therein can be selected according to the actual needs
Realize the purpose of the present embodiment scheme.
It addition, each functional unit in various embodiments of the present invention can be fully integrated in a processing unit,
Can also be that each unit is individually as a unit, it is also possible to two or more unit are integrated in one
In individual unit；Above-mentioned integrated unit both can realize to use the form of hardware, it would however also be possible to employ hardware adds soft
The form of part functional unit realizes.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can
Completing with the hardware relevant by programmed instruction, aforesaid program can be stored in embodied on computer readable storage
In medium, this program upon execution, performs to include the step of said method embodiment；And aforesaid storage is situated between
Matter includes: movable storage device, read only memory (Read Only Memory, ROM), magnetic disc or
The various medium that can store program code such as CD.
Or, if the above-mentioned integrated unit of the present invention is using the form realization of software function module and as independent
Production marketing or use time, it is also possible to be stored in a computer read/write memory medium.Based on so
Understanding, the part that prior art is contributed by the technical scheme of the embodiment of the present invention the most in other words can
Embodying with the form with software product, this computer software product is stored in a storage medium, bag
Include some instructions with so that a computer equipment (can be personal computer, server or network
Equipment etc.) perform all or part of of method described in each embodiment of the present invention.And aforesaid storage medium bag
Include: the various media that can store program code such as movable storage device, ROM, magnetic disc or CD.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited to
This, any those familiar with the art, in the technical scope that the invention discloses, can readily occur in
Change or replacement, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention should
It is as the criterion with described scope of the claims.
Claims (10)
1. a detection device, it is characterised in that described detection device includes:
Focusing module, is used for triggering mobile lens module and focuses target focusing picture；
Acquisition module, for gathering at least two region in the object picture that described mobile lens module captures
Phase-detection value；
Analyze module, for the phase-detection value in described at least two region is analyzed, obtain analyzing knot
Really；
Determine module, for when described analysis result meets pre-conditioned, determine described mobile lens module
Complementary metal oxide semiconductors (CMOS) CMOS flatness up to standard.
Detection device the most according to claim 1, it is characterised in that described Focusing module, specifically uses
In:
The distance focused between picture at described mobile lens module and described target less than hyperfocal distance and is more than
During 120cm, trigger mobile lens module and target focusing picture is focused.
Detection device the most according to claim 1, it is characterised in that described at least two region is at least
Including any two regions following: the central area of the object picture that described mobile lens module captures；Described
The top left region of the object picture that mobile lens module captures；The object that described mobile lens module captures
The lower left region of picture；The right regions of the object picture that described mobile lens module captures；Described mobile phone
The lower right area of the object picture that camera lens module captures.
Detection device the most according to claim 1, it is characterised in that described analysis module, specifically uses
In: calculate the meansigma methods of the phase-detection value of N number of frame in each region in described at least two region respectively；
Wherein, N is the integer more than or equal to 2；Putting down of the phase-detection value of the N number of frame according to described each region
Average, determines the difference of maxima and minima in each meansigma methods.
Detection device the most according to claim 4, it is characterised in that described determine module, specifically uses
In: when the difference of the maxima and minima in described each meansigma methods is less than or equal to threshold value, determine described hands
The complementary metal oxide semiconductors (CMOS) CMOS flatness of machine camera lens module is up to standard.
6. a detection method, it is characterised in that described method includes:
Trigger mobile lens module target focusing picture is focused；
Gather the phase-detection phase place at least two region in the object picture that described mobile lens module captures
Detected value；
The phase-detection value in described at least two region is analyzed, obtains analysis result；
When described analysis result meets pre-conditioned, determine the CMOS (Complementary Metal Oxide Semiconductor) of described mobile lens module
Semiconductor CMOS flatness is up to standard.
Method the most according to claim 6, it is characterised in that described triggering mobile lens module is to mesh
Mark focusing picture is focused, including:
The distance focused between picture at described mobile lens module and described target less than hyperfocal distance and is more than
During 120cm, trigger mobile lens module and target focusing picture is focused.
Method the most according to claim 6, it is characterised in that described at least two region at least includes
Any two regions below: the central area of the object picture that described mobile lens module captures；Described mobile phone
The top left region of the object picture that camera lens module captures；The object picture that described mobile lens module captures
Lower left region；The right regions of the object picture that described mobile lens module captures；Described mobile lens
The lower right area of the object picture that module captures.
Method the most according to claim 6, it is characterised in that described to described at least two region
Phase-detection phase-detection value is analyzed, and obtains analysis result, including:
Calculate the meansigma methods of the phase-detection value of N number of frame in each region in described at least two region respectively；
Wherein, N is the integer more than or equal to 2；
The meansigma methods of the phase-detection value of the N number of frame according to described each region, determines in each meansigma methods
Big value and the difference of minima.
Method the most according to claim 9, it is characterised in that described analysis result meets presets bar
During part, determine that the complementary metal oxide semiconductors (CMOS) CMOS flatness of described mobile lens module is up to standard, bag
Include:
When the difference of the maxima and minima in described each meansigma methods is less than or equal to threshold value, determine described mobile phone
The complementary metal oxide semiconductors (CMOS) CMOS flatness of camera lens module is up to standard.
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| CN111256589A (en) * | 2020-02-14 | 2020-06-09 | 长飞光纤光缆股份有限公司 | Image method size measurement compensation method and device based on frame loss detection |
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