CN106231132A - Mobile terminal and peak value focusing method - Google Patents
Mobile terminal and peak value focusing method Download PDFInfo
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- CN106231132A CN106231132A CN201610836532.8A CN201610836532A CN106231132A CN 106231132 A CN106231132 A CN 106231132A CN 201610836532 A CN201610836532 A CN 201610836532A CN 106231132 A CN106231132 A CN 106231132A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3607—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
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Abstract
The invention discloses a kind of mobile terminal, including detection module, determine image acquisition region at interface of finding a view, and whether there is default marker in detecting image acquisition region；Acquisition module, if there is marker in image acquisition region being detected, then gathers marker motion track in image acquisition region, and the enclosed region that described motion track is formed at interface of finding a view is defined as pre-focusing region；Peak value Focusing module, determines peak value focusing area by carrying out focusing detection in pre-focusing region, and peak value focusing area is carried out peak value focusing.The invention also discloses a kind of peak value focusing method.The present invention is by the way of at image acquisition region mobile logo thing, determine pre-focusing region, and the detection that carries out focusing in pre-focusing region determines peak value focusing area, thus peak value focusing area is carried out peak value focusing, when solving artificial selecting focusing zone, the inaccurate technical problem of focusing area chosen may be caused, improve user satisfaction.
Description
Technical field
The present invention relates to camera work field, particularly relate to a kind of mobile terminal and peak value focusing method.
Background technology
At present, while the mobile terminal fast development such as mobile phone, panel computer, user is to mobile terminal shoot function
Requirement more and more higher, user is intended to shoot the photo of better quality.At present when shooting photo, if using focusing frame
Mode focus, owing to mobile terminal self cannot automatically determine peak value focusing area, need artificially to select on the touchscreen
Take focusing area, during artificial selecting focusing zone, less owing to touching the reference object of screen display, can only be clapped by clicking on
Taking the photograph object select focusing area, the focusing area chosen the most likely can be caused inaccurate, the satisfaction of user is the highest.
Summary of the invention
Present invention is primarily targeted at a kind of mobile terminal of proposition and peak value focusing method, it is intended to it is right that solution is artificially chosen
During burnt region, the inaccurate technical problem of focusing area chosen may be caused, reach to promote the purpose of user satisfaction.
For achieving the above object, a kind of mobile terminal that the present invention provides, described mobile terminal includes:
Whether detection module, for determining image acquisition region at interface of finding a view, and detect in described image acquisition region
There is the marker preset；
Acquisition module, if there is described marker in described image acquisition region being detected, then gathers described mark
Thing motion track in image acquisition region, and the enclosed region that described motion track is formed at interface of finding a view is defined as pre-
Focusing area；
Peak value Focusing module, for determining peak value focusing area by the detection that carries out focusing in pre-focusing region, and right
Described peak value focusing area carries out peak value focusing.
Preferably, described detection module specifically for:
Image acquisition region is carried out image scanning, in detecting described image acquisition region, whether there is default mark
Thing, wherein, described marker is the movable carrier with recognizable pattern or Quick Response Code.
Preferably, described peak value Focusing module includes:
First computing module, each pixel region in being used for utilizing edge detection algorithm to calculate pre-focusing region
Grey scale change value；
Judge module, if the grey scale change value for described pixel region is more than the threshold value preset, then by described
Pixel is as edge pixel point；
Determine module, for the region that all of edge pixel point is drawn a circle to approve is defined as peak value focusing area.
Preferably, described first computing module specifically for:
Multiple pixels in the gray value of each pixel and each pixel region in calculating pre-focusing region
The gray value of point, according to multiple pixels in the gray value of each pixel calculated and each pixel region
Gray value, the grey scale change value of each pixel region in utilizing edge detection algorithm to calculate described pre-focusing region.
Preferably, described mobile terminal also includes:
Labeling module, for marking out described pre-focusing region and peak value focusing district by different colors at interface of finding a view
Territory.
For achieving the above object, the present invention also provides for a kind of peak value focusing method, and described method includes:
Determine image acquisition region at interface of finding a view, and whether there is default mark in detecting described image acquisition region
Thing；
If there is described marker in described image acquisition region being detected, then gather described marker in image acquisition areas
Motion track in territory, and the enclosed region that described motion track is formed at interface of finding a view is defined as pre-focusing region；
Determine peak value focusing area by carrying out focusing detection in pre-focusing region, and described peak value focusing area is entered
Row peak value is focused.
Preferably, whether there is default marker in the described image acquisition region of described detection to include:
Image acquisition region is carried out image scanning, in detecting described image acquisition region, whether there is default mark
Thing, wherein, described marker is the movable carrier with recognizable pattern or Quick Response Code.
Preferably, described by carry out in pre-focusing region focus detection determine that peak value focusing area includes:
The grey scale change value of each pixel region in utilizing edge detection algorithm to calculate pre-focusing region；
If the grey scale change value of described pixel region is more than the threshold value preset, then using described pixel as edge
Pixel；
The region that all of edge pixel point is drawn a circle to approve is defined as peak value focusing area.
Preferably, described utilize edge detection algorithm to calculate pre-focusing region in the gray scale of each pixel region
Changing value includes:
Multiple pixels in the gray value of each pixel and each pixel region in calculating pre-focusing region
The gray value of point；
The ash of multiple pixels in gray value according to each pixel calculated and each pixel region
Angle value, the grey scale change value of each pixel region in utilizing edge detection algorithm to calculate described pre-focusing region.
Preferably, described method also includes:
Described pre-focusing region and peak value focusing area is marked out at interface of finding a view by different colors.
Mobile terminal provided by the present invention and peak value focusing method, including: finding a view, interface determines image acquisition region,
And whether there is default marker in detecting described image acquisition region；If there is institute in described image acquisition region being detected
State marker, then gather described marker motion track in image acquisition region, and by described motion track on boundary of finding a view
The enclosed region that face is formed is defined as pre-focusing region；Peak value focusing district is determined by carrying out focusing detection in pre-focusing region
Territory, and described peak value focusing area is carried out peak value focusing.The present invention by the way of at image acquisition region mobile logo thing,
Determine pre-focusing region, and the detection that carries out focusing in pre-focusing region determines peak value focusing area, thus district that peak value is focused
Territory carries out peak value focusing, when solving artificial selecting focusing zone, the inaccurate technology of the focusing area chosen may be caused to ask
Topic, reaches to promote the purpose of user satisfaction.
Accompanying drawing explanation
Fig. 1 is the hardware architecture diagram realizing each one optional mobile terminal of embodiment of the present invention；
Fig. 2 is the radio communication device schematic diagram of mobile terminal in Fig. 1；
Fig. 3 is the high-level schematic functional block diagram of mobile terminal first embodiment of the present invention；
Fig. 4 is the sight schematic diagram that whether there is default marker in the present invention in detection image acquisition region；
Fig. 5 is the sight schematic diagram gathering described marker motion track in image acquisition region in the present invention；
Fig. 6 is the refinement high-level schematic functional block diagram of peak value Focusing module in mobile terminal the second embodiment of the present invention；
Fig. 7 is the high-level schematic functional block diagram of mobile terminal the 3rd embodiment of the present invention；
Fig. 8 is to mark out described pre-focusing region and peak value focusing district at interface of finding a view by different colors in the present invention
The sight schematic diagram in territory；
Fig. 9 is the schematic flow sheet of peak value focusing method first embodiment of the present invention；
Figure 10 is the refinement step schematic flow sheet of step S30 in peak value focusing method the second embodiment of the present invention；
Figure 11 is the schematic flow sheet of peak value focusing method the 3rd embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The mobile terminal realizing each embodiment of the present invention is described referring now to accompanying drawing.In follow-up description, use
For representing the suffix explanation only for the beneficially present invention of such as " module ", " parts " or " unit " of element, itself
Not specific meaning.Therefore, " module " can mixedly use with " parts ".
Mobile terminal can be implemented in a variety of manners.Such as, 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 consolidating of such as numeral TV, desk computer etc.
Determine terminal.Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that, mobile except being used in particular for
Outside the element of purpose, structure according to the embodiment of the present invention can also apply to the terminal of fixed type.
Fig. 1 is the hardware architecture diagram realizing each one optional mobile terminal of embodiment of the present invention.
Mobile terminal 100 can include wireless communication unit 110, A/V (audio/video) input block 120, user's input
Unit 130, sensing unit 140, output unit 150, memorizer 160, controller 180 and power subsystem 190 etc..Fig. 1 illustrates
There is the mobile terminal of various assembly, 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.
Wireless communication unit 110 generally includes one or more assembly, and it allows mobile terminal 100 and radio communication device
Or the radio communication between network.Such as, wireless communication unit can include broadcast reception module, mobile communication module, nothing
At least one in line the Internet module, short range communication module and positional information module.
A/V input block 120 is used for receiving audio or video signal.A/V input block 120 can include camera 121 He
Mike 122, the camera 121 static images to being obtained by image capture apparatus in Video Capture pattern or image capture mode
Or the view data of video processes.Picture frame after process may be displayed on display unit 151.Process through camera 121
After picture frame can be stored in memorizer 160 (or other storage medium) or via wireless communication unit 110 carry out send out
Send, two or more cameras 121 can be provided according to the structure of mobile terminal.Mike 122 can be in telephone calling model, note
Record pattern, speech recognition mode etc. operational mode receives sound (voice data) via mike, and can be by so
Acoustic processing be voice data.Mike 122 can implement various types of noise eliminate (or suppression) algorithm eliminating (or
Suppression) in the noise received and produce during transmission audio signal or interference.
User input unit 130 can generate key input data to control each of mobile terminal according to the order of user's input
Plant operation.User input unit 130 allows user to input various types of information, and can include keyboard, metal dome, touch
Plate (such as, detection due to touched and cause resistance, force value, the sensitive component of change of electric capacity etc.), roller, rocking bar
Etc..Especially, when touch pad is superimposed upon on display unit 151 as a layer, touch screen can be formed.
Sensing unit 140 detects the current state of mobile terminal 100, (such as, mobile terminal 100 open or close shape
State), the position of mobile terminal 100, user is for the presence or absence of contact (that is, touch input) of mobile terminal 100, mobile terminal
Orientation, the acceleration of mobile terminal 100 of 100 or speed is moved and direction etc., and generate for controlling mobile terminal 100
The order of operation or signal.It addition, sensing unit 140 can detect whether power subsystem 190 provides electric power.
Display unit 151 may be displayed on the information processed in mobile terminal 100.Such as, it is in electricity when mobile terminal 100
During words call mode, display unit 151 can show and call or other (such as, text messaging, multimedia file that communicate
Download etc.) relevant user interface (UI) or graphic user interface (GUI).When mobile terminal 100 is in video calling pattern
Or during image capture mode, display unit 151 can show image and/or the image of reception of capture, illustrate video or figure
UI or GUI of picture and correlation function etc..
Meanwhile, when display unit 151 and touch pad the most superposed on one another with formed touch screen time, display unit
151 can serve as input equipment 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
A kind of.Some in these display may be constructed such that transparence is watched from outside with permission user, and this is properly termed as transparent
Display, typical transparent display can for example, TOLED (transparent organic light emitting diode) display etc..According to specific
The embodiment wanted, mobile terminal 100 can include two or more display units (or other display device), such as, move
Dynamic terminal can include outernal display unit (not shown) and inner display unit (not shown).Touch screen can be used for detection and touches
Input pressure value and touch input position and touch input area.
Dio Output Modules 152 can mobile terminal be in call signal receive pattern, call mode, logging mode,
Time under the isotype such as speech recognition mode, broadcast reception mode, that wireless communication unit 110 is received or at memorizer 160
The voice data transducing audio signal of middle storage and be output as sound.And, dio Output Modules 152 can provide with mobile
The audio frequency output (such as, call signal receives sound, message sink sound etc.) that the specific function that terminal 100 performs is relevant.
Dio Output Modules 152 can include pick up, buzzer etc..
Memorizer 160 can store the process performed by controller 180 and the software program controlling operation etc., or can
Temporarily to store the data (such as, telephone directory, message, still image, video etc.) that oneself maybe will export through output.And
And, memorizer 160 can with storage about when touch be applied to touch screen time the vibration of various modes of output and audio signal
Data.
Memorizer 160 can include that the storage medium of at least one type, described storage medium include flash memory, hard disk, many
Media card, card-type memorizer (such as, SD or DX memorizer etc.), random access storage device (RAM), static random-access store
Device (SRAM), read only memory (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory
(PROM), magnetic storage, disk, CD etc..And, mobile terminal 100 can be connected execution memorizer with by network
The network storage device cooperation of the storage function of 160.
Controller 180 generally controls the overall operation of mobile terminal.Such as, controller 180 performs and voice call, data
Control that communication, video calling etc. are relevant and process.It addition, controller 180 can include for reproducing (or playback) many matchmakers
The multi-media module 181 of volume data, multi-media module 181 can construct in controller 180, or it is so structured that with control
Device 180 separates.Controller 180 can perform pattern recognition process, with the handwriting input that will perform 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
Suitable electric power needed for part and assembly.
Various embodiment described herein can be to use such as computer software, hardware or its any combination of calculating
Machine computer-readable recording medium is implemented.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), scene can
Program gate array (FPGA), processor, controller, microcontroller, microprocessor, be designed to perform function described herein
At least one in electronic unit is implemented, and in some cases, such embodiment can be implemented in controller 180.
Software is implemented, the embodiment 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 suitable programming language
Implementing, software code can be stored in memorizer 160 and be performed by controller 180.
As shown in Figure 1 mobile terminal 100 may be constructed such that utilize via frame or packet transmission data all if any
Line and radio communication device and satellite-based communicator operate.
The communicator being wherein operable to according to the mobile terminal of the present invention is described referring now to Fig. 2.
Such communicator can use different air interfaces and/or physical layer.Such as, communicator use
Air interface includes such as frequency division multiple access (FDMA), time division multiple acess (TDMA), CDMA (CDMA) and universal mobile communications dress
Put (UMTS) (especially, Long Term Evolution (LTE)), global mobile communication device (GSM) etc..As non-limiting example, under
The description in face relates to cdma communication device, but such teaching is equally applicable to other type of device.
With reference to Fig. 2, cdma wireless communication device can include multiple mobile terminal 100, 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 and the BSC275 formation interface that can be couple to base station 270 via back haul link.
If back haul link can construct according to any one in the interface that Ganji knows, described interface includes such as E1/T1, ATM, IP,
PPP, frame relay, HDSL, ADSL or xDSL.It will be appreciated that device as shown in Figure 2 can include multiple BSC2750.
Each BS270 can service one or more subregion (or region), by multidirectional antenna or the sky of sensing specific direction
Each subregion that line covers is radially away from BS270.Or, each subregion can be by for two or more of diversity reception
Antenna covers.Each BS270 may be constructed such that support multiple frequencies distribution, 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.BS270 can also be referred to as base station transceiver
Device (BTS) or other equivalent terms.In this case, term " base station " may 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
For multiple cellular stations.
As shown in Figure 2, broadcast singal is sent in device the mobile terminal operated by broadcsting transmitter (BT) 295
100.In fig. 2 it is shown that several global pick devices (GPS) satellite 300.Satellite 300 helps to position multiple mobile terminals 100
In at least one.
In fig. 2, depict multiple satellite 300, but it is understood that, it is possible to use any number of satellite obtains
Useful location information.As a typical operation of radio communication device, BS270 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.Certain base station 270 receives
Each reverse link signal processed in specific BS270.The data obtained are forwarded to the BSC275 being correlated with.BSC
The mobile management function of the coordination of the soft switching process providing call resource to distribute and to include between BS270.BSC275 also will connect
The data received are routed to MSC280, and it provides the extra route service for forming interface with PSTN290.Similarly,
PSTN290 Yu MSC280 forms interface, MSC Yu BSC275 forms interface, and BSC275 correspondingly controls BS270 with by forward
Link signal is sent to mobile terminal 100.
Based on above-mentioned mobile terminal hardware configuration, communication apparatus structure, each embodiment of mobile terminal of the present invention is proposed.
With reference to the high-level schematic functional block diagram that Fig. 3, Fig. 3 are mobile terminal first embodiment of the present invention, the present invention provides a kind of
Mobile terminal 400, in the present embodiment, this mobile terminal 400 includes:
Detection module 410, for determining image acquisition region at interface of finding a view, and in detecting described image acquisition region be
The marker that no existence is preset.
In the present embodiment, after user opens the camera function of mobile terminal, determine the district needing to carry out image acquisition
Find a view the region accessed by interface in territory, i.e. mobile terminal.After determining image acquisition region, detect described image acquisition region
The most whether there is default marker.
Wherein, the detection range of mobile terminal detection marker is identical with the image-capture field of mobile terminal camera.
Particularly as follows: image acquisition region is carried out image scanning, in detecting described image acquisition region, whether there is default marker,
Wherein, described marker is the movable carrier with recognizable pattern or Quick Response Code.Described recognizable image such as " arrow
Head ", " red spots " etc., described movable carrier such as pencil, finger etc..Concrete, can be described recognizable by being printed on
The drawing of pattern or Quick Response Code is attached on movable carrier as marker.Such as, on finger or pencil, patch one is red
The arrow of color is as marker.
With reference to Fig. 4, in order to be better understood from mobile terminal of the present invention, Fig. 4 is detection image acquisition in the present invention
The sight schematic diagram of default marker whether is there is in region.In the diagram, after interface of finding a view determines image acquisition region,
Whether exist " marker " in detection image acquisition region, i.e. whether exist in detection image acquisition region " recognizable pattern or
Quick Response Code ", if existing, then " recognizable pattern or the Quick Response Code " that detect is carried out relative to the position at " interface of finding a view " place
Mark, such as, be identified in " interface of finding a view " by the form of cursor or hot spot.
Acquisition module 420, if there is described marker in described image acquisition region being detected, then gathers described mark
Know thing motion track in image acquisition region, and the enclosed region that described motion track is formed at interface of finding a view is defined as
Pre-focusing region.
In the present embodiment, if there is described marker in described image acquisition region being detected, then in interface acceptance of the bid of finding a view
Go out this marker, and gather this marker motion track in image acquisition region, and described motion track is being taken
The enclosed region that scape interface is formed is defined as pre-focusing region.
With reference to Fig. 5, in order to be better understood from mobile terminal of the present invention, Fig. 5 is to gather described mark in the present invention
Thing motion track sight schematic diagram in image acquisition region.In Fig. 5, " marker " is being placed in image acquisition areas by user
Territory, and after " recognizable pattern or the Quick Response Code " that mobile terminal detects entrained by this " marker ", mobile being somebody's turn to do " identifies
Thing " so that " marker " should form a circle in image acquisition region, then mobile terminal then can be according to collecting " mark
Know thing " entrained by the motion track of " recognizable pattern or Quick Response Code ", also form a corresponding circle at " interface of finding a view ".
Wherein, the circle in described " interface of finding a view " relative to the position at " interface of finding a view " with " marker " in image acquisition
The circle that region is formed is relative to the position consistency of image acquisition region.
Wherein, the region that the circle collected in " interface of finding a view " is drawn a circle to approve is defined as pre-focusing region.
Peak value Focusing module 430, for by carry out in pre-focusing region focus detection determine peak value focusing area, and
Described peak value focusing area is carried out peak value focusing.
In the present embodiment, after determining pre-focusing region, carry out focusing detection to determine peak in pre-focusing region
Value focusing area, and the peak value focusing area determined is carried out peak value focusing.
Mobile terminal 400 described in the present embodiment includes: detection module 410, and finding a view, interface determines image acquisition areas
Territory, and whether there is default marker in detecting described image acquisition region；Acquisition module 420, if detecting described image
There is described marker in pickup area, then gather described marker motion track in image acquisition region, and by described
The enclosed region that motion track is formed at interface of finding a view is defined as pre-focusing region；Peak value Focusing module 430, by pre-focusing
Carry out focusing detection in region and determine peak value focusing area, and described peak value focusing area is carried out peak value focusing.The present embodiment
By the way of at image acquisition region mobile logo thing, determine pre-focusing region, and in pre-focusing region, carry out focusing inspection
Survey determines peak value focusing area, thus peak value focusing area is carried out peak value focusing, when solving artificial selecting focusing zone, and can
The inaccurate technical problem of focusing area chosen can be caused, reach to promote the purpose of user satisfaction.
Further, reference Fig. 6, Fig. 6 is the refinement merit of peak value Focusing module in mobile terminal the second embodiment of the present invention
Can module diagram.Based on the embodiment described in above-mentioned Fig. 3, in the present embodiment, described peak value Focusing module 430 includes:
First computing module 431, each pixel place in being used for utilizing edge detection algorithm to calculate pre-focusing region
The grey scale change value in region.
Wherein, in calculating pre-focusing region multiple in the gray value of each pixel and each pixel region
The gray value of pixel, and according to multiple in the gray value of each pixel calculated and each pixel region
The gray value of pixel, utilizes edge detection algorithm to calculate the grey scale change value of described each pixel region.
In the present embodiment, in first calculating pre-focusing region around a certain pixel or the gray scale of neighbouring multiple pixel
Value, and the region that this pixel and the most multiple pixel are formed is this pixel region；Then according to gray scale
Value, utilizes edge detection algorithm to calculate the horizontal grey scale change value of this pixel region and longitudinal grey scale change value, then
The grey scale change value of this pixel region is calculated according to horizontal grey scale change value and longitudinal grey scale change value.Accordingly, time
Go through all pixels in pre-focusing region, with the grey scale change of pixel region each in calculating pre-focusing region
Value.
Judge module 432, if the grey scale change value for described pixel region is more than the threshold value preset, then by institute
State pixel as edge pixel point.
In the present embodiment, if the grey scale change value of pixel region is more than pre-set threshold value, then this pixel is made
For edge pixel point.
Determine module 433, for the region that all of edge pixel point is drawn a circle to approve is defined as peak value focusing area.
In the present embodiment, it is preferable that when multiple edge pixel points are distributed ringwise, then the region within annular is assert
For peak value focusing area, it is determined that focused.Wherein said annular can be circular, square, irregularly shaped etc..
Wherein, in certain embodiments, although preview interface has edge pixel point, but the quantity of edge pixel point is less than
Preset value, or edge pixel point is distributed the most ringwise, still can focus the position at edge pixel point place district as peak value
Territory.
Mobile terminal 400 described in the present embodiment includes, the first computing module 431, utilizes edge detection algorithm to calculate
The grey scale change value of each pixel region in going out pre-focusing region；Judge module 432, if for described pixel place
The grey scale change value in region is more than the threshold value preset, then using described pixel as edge pixel point；Determine module 433, be used for
The region that all of edge pixel point is drawn a circle to approve is defined as peak value focusing area.The present embodiment is by moving in image acquisition region
The mode of dynamic marker, determines pre-focusing region, and it is next to carry out focusing detection in pre-focusing region by edge detection algorithm
Determine peak value focusing area, thus peak value focusing area is carried out peak value focusing, when solving artificial selecting focusing zone, may
Cause the inaccurate technical problem of focusing area chosen, reach to promote the purpose of user satisfaction.
Further, with reference to the high-level schematic functional block diagram that Fig. 7, Fig. 7 are mobile terminal the 3rd embodiment of the present invention.Based on upper
Stating the embodiment described in Fig. 3, in the present embodiment, described mobile terminal 400 also includes:
Labeling module 440, for marking out described pre-focusing region and peak value pair by different colors at interface of finding a view
Burnt region.
In the present embodiment, after interface of finding a view determines pre-focusing region and peak value focusing area, by different face
Color marks out described pre-focusing region and peak value focusing area at interface of finding a view, and judges the peak value focusing area determined for user
The most accurate, however, it is determined that peak value focusing area more accurate, then can set out photographing instruction, takes pictures；If it is determined that peak
Value focusing area is inaccurate, then user can trigger cancel an order, removes the pre-focusing region and peak value determined in interface of finding a view
Focusing area, and the motion track of marker in detection image acquisition region again.
With reference to Fig. 8, in order to be better understood from mobile terminal of the present invention, Fig. 8 is by different face in the present invention
Color marks out the scene schematic diagram of described pre-focusing region and peak value focusing area at interface of finding a view.In Fig. 8, at " interface of finding a view "
After " recognizable pattern or the Quick Response Code " in " marker " in image acquisition region being detected, can be come by mobile " marker "
Delineation " reference object ".In the present embodiment, moving " marker " simultaneously, " pre-focusing a district can formed at " interface of finding a view "
Territory ", and can be by carrying out focusing detection in " pre-focusing region ", so that it is determined that go out " peak value focusing area ".Wherein, this reality
Execute in example, can mark out in " pre-focusing region " and " peak value focusing area " at interface of finding a view with the lines of different colors, also
Dotted line can be used to mark out " pre-focusing region " in interface of finding a view, use solid line to mark out " peak value pair in interface of finding a view
Burnt region ".
Mobile terminal 400 described in the present embodiment includes: detection module 410, and finding a view, interface determines image acquisition areas
Territory, and whether there is default marker in detecting described image acquisition region；Acquisition module 420, if detecting described image
There is described marker in pickup area, then gather described marker motion track in image acquisition region, and by described
The enclosed region that motion track is formed at interface of finding a view is defined as pre-focusing region；Peak value Focusing module 430, by pre-focusing
Carry out focusing detection in region and determine peak value focusing area, and described peak value focusing area is carried out peak value focusing；Labeling module
440, for marking out described pre-focusing region and peak value focusing area at interface of finding a view by different colors.The present embodiment leads to
Cross the mode at image acquisition region mobile logo thing, determine pre-focusing region, and in pre-focusing region, carry out focusing detection
Determine peak value focusing area, thus peak value focusing area is carried out peak value focusing, when solving artificial selecting focusing zone, may
Cause the inaccurate technical problem of focusing area chosen, reach to promote the purpose of user satisfaction.
With reference to the schematic flow sheet that Fig. 9, Fig. 9 are peak value focusing method first embodiment of the present invention, the present invention provides a kind of
Peak value focusing method, in the present embodiment, described peak value focusing method includes:
Whether step S10, determines image acquisition region at interface of finding a view, and exist in detecting described image acquisition region pre-
If marker.
In the present embodiment, after user opens the camera function of mobile terminal, determine the district needing to carry out image acquisition
Find a view the region accessed by interface in territory, i.e. mobile terminal.After determining image acquisition region, detect described image acquisition region
The most whether there is default marker.
Wherein, the detection range of mobile terminal detection marker is identical with the image-capture field of mobile terminal camera.
Particularly as follows: image acquisition region is carried out image scanning, in detecting described image acquisition region, whether there is default marker,
Wherein, described marker is the movable carrier with recognizable pattern or Quick Response Code.Described recognizable image such as " arrow
Head ", " red spots " etc., described movable carrier such as pencil, finger etc..Concrete, can be described recognizable by being printed on
The drawing of pattern or Quick Response Code is attached on movable carrier as marker.Such as, on finger or pencil, patch one is red
The arrow of color is as marker.
With reference to Fig. 4, in order to be better understood from peak value focusing method of the present invention, Fig. 4 is detection image in the present invention
The sight schematic diagram of default marker whether is there is in pickup area.In the diagram, image acquisition region is determined at interface of finding a view
After, whether exist " marker " in detection image acquisition region, i.e. whether there is " recognizable pattern in detection image acquisition region
Or Quick Response Code ", if existing, then " recognizable pattern or the Quick Response Code " that detect is entered relative to the position at " interface of finding a view " place
Line identifier, such as, be identified in " interface of finding a view " by the form of cursor or hot spot.
Step S20, if there is described marker in described image acquisition region being detected, then gathers described marker at figure
As the motion track in pickup area, and the enclosed region that described motion track is formed at interface of finding a view is defined as pre-focusing district
Territory.
In the present embodiment, if there is described marker in described image acquisition region being detected, then in interface acceptance of the bid of finding a view
Go out this marker, and gather this marker motion track in image acquisition region, and described motion track is being taken
The enclosed region that scape interface is formed is defined as pre-focusing region.
With reference to Fig. 5, in order to be better understood from peak value focusing method of the present invention, Fig. 5 is that in the present invention, collection is described
Marker motion track sight schematic diagram in image acquisition region.In Fig. 5, " marker " is being placed in image acquisition by user
Region, and after " recognizable pattern or the Quick Response Code " that mobile terminal detects entrained by this " marker ", mobile being somebody's turn to do " identifies
Thing " so that " marker " should form a circle in image acquisition region, then mobile terminal then can be according to collecting " mark
Know thing " entrained by the motion track of " recognizable pattern or Quick Response Code ", also form a corresponding circle at " interface of finding a view ".
Wherein, the circle in described " interface of finding a view " relative to the position at " interface of finding a view " with " marker " in image acquisition
The circle that region is formed is relative to the position consistency of image acquisition region.
Wherein, the region that the circle collected in " interface of finding a view " is drawn a circle to approve is defined as pre-focusing region.
Step S30, determines peak value focusing area by carrying out focusing detection in pre-focusing region, and to described peak value pair
Burnt region carries out peak value focusing.
In the present embodiment, after determining pre-focusing region, carry out focusing detection to determine peak in pre-focusing region
Value focusing area, and the peak value focusing area determined is carried out peak value focusing.
Peak value focusing method described in the present embodiment includes: determines image acquisition region at interface of finding a view, and detects described
Default marker whether is there is in image acquisition region；If there is described marker in described image acquisition region being detected,
Then gather described marker motion track in image acquisition region, and by described motion track closing that interface of finding a view is formed
Close region and be defined as pre-focusing region；Peak value focusing area is determined by carrying out focusing detection in pre-focusing region, and to institute
State peak value focusing area and carry out peak value focusing.The present embodiment, by the way of at image acquisition region mobile logo thing, determines pre-
Focusing area, and the detection that carries out focusing in pre-focusing region determines peak value focusing area, thus carries out peak value focusing area
Peak value is focused, and when solving artificial selecting focusing zone, may cause the inaccurate technical problem of focusing area chosen, reach
Promote the purpose of user satisfaction.
Further, with reference to the refinement step that Figure 10, Figure 10 are step S30 in peak value focusing method the second embodiment of the present invention
Rapid schematic flow sheet.Based on the embodiment described in above-mentioned Fig. 9, in the present embodiment, described step S30 includes:
Step S31, in utilizing edge detection algorithm to calculate pre-focusing region, the gray scale of each pixel region becomes
Change value.
Wherein, in calculating pre-focusing region multiple in the gray value of each pixel and each pixel region
The gray value of pixel, and according to multiple in the gray value of each pixel calculated and each pixel region
The gray value of pixel, utilizes edge detection algorithm to calculate the grey scale change value of described each pixel region.
In the present embodiment, in first calculating pre-focusing region around a certain pixel or the gray scale of neighbouring multiple pixel
Value, and the region that this pixel and the most multiple pixel are formed is this pixel region；Then according to gray scale
Value, utilizes edge detection algorithm to calculate the horizontal grey scale change value of this pixel region and longitudinal grey scale change value, then
The grey scale change value of this pixel region is calculated according to horizontal grey scale change value and longitudinal grey scale change value.Accordingly, time
Go through all pixels in pre-focusing region, with the grey scale change of pixel region each in calculating pre-focusing region
Value.
Step S32, if the grey scale change value of described pixel region is more than the threshold value preset, then by described pixel
As edge pixel point.
In the present embodiment, if the grey scale change value of pixel region is more than pre-set threshold value, then this pixel is made
For edge pixel point.
Step S33, is defined as peak value focusing area by the region that all of edge pixel point is drawn a circle to approve.
In the present embodiment, it is preferable that when multiple edge pixel points are distributed ringwise, then the region within annular is assert
For peak value focusing area, it is determined that focused.Wherein said annular can be circular, square, irregularly shaped etc..
Wherein, in certain embodiments, although preview interface has edge pixel point, but the quantity of edge pixel point is less than
Preset value, or edge pixel point is distributed the most ringwise, still can focus the position at edge pixel point place district as peak value
Territory.
Peak value focusing method described in the present embodiment includes: each in utilizing edge detection algorithm to calculate pre-focusing region
The grey scale change value of pixel region；If the grey scale change value of described pixel region is more than the threshold value preset, then
Using described pixel as edge pixel point；The region that all of edge pixel point is drawn a circle to approve is defined as peak value focusing area.
The present embodiment, by the way of at image acquisition region mobile logo thing, determines pre-focusing region, and passes through edge detection algorithm
The detection that carries out focusing in pre-focusing region, to determine peak value focusing area, thus carries out peak value focusing to peak value focusing area,
When solving artificial selecting focusing zone, the inaccurate technical problem of focusing area chosen may be caused, reach to promote user
The purpose of satisfaction.
Further, with reference to the schematic flow sheet that Figure 11, Figure 11 are peak value focusing method the 3rd embodiment of the present invention.Based on
Embodiment described in above-mentioned Fig. 9, in the present embodiment, described peak value focusing method also includes:
Step S40, marks out described pre-focusing region and peak value focusing area by different colors at interface of finding a view.
In the present embodiment, after interface of finding a view determines pre-focusing region and peak value focusing area, by different face
Color marks out described pre-focusing region and peak value focusing area at interface of finding a view, and judges the peak value focusing area determined for user
The most accurate, however, it is determined that peak value focusing area more accurate, then can set out photographing instruction, takes pictures；If it is determined that peak
Value focusing area is inaccurate, then user can trigger cancel an order, removes the pre-focusing region and peak value determined in interface of finding a view
Focusing area, and the motion track of marker in detection image acquisition region again.
With reference to Fig. 8, in order to be better understood from peak value focusing method of the present invention, Fig. 8 is by difference in the present invention
Color mark out the scene schematic diagram of described pre-focusing region and peak value focusing area at interface of finding a view.In Fig. 8, " finding a view
Interface " " recognizable pattern or the Quick Response Code " in " marker " in image acquisition region detected after, can be by mobile " mark
Thing " draw a circle to approve " reference object ".In the present embodiment, moving " marker " simultaneously, " interface of finding a view " can be formed one " pre-right
Burnt region ", and can be by carrying out focusing detection in " pre-focusing region ", so that it is determined that go out " peak value focusing area ".Wherein,
In the present embodiment, " pre-focusing region " and " peak value focusing district can be marked out at interface of finding a view with the lines of different colors
Territory ", it is possible to use dotted line marks out " pre-focusing region " in interface of finding a view, uses solid line to mark out in interface of finding a view
" peak value focusing area ".
Peak value focusing method described in the present embodiment includes: determines image acquisition region at interface of finding a view, and detects described
Default marker whether is there is in image acquisition region；If there is described marker in described image acquisition region being detected,
Then gather described marker motion track in image acquisition region, and by described motion track closing that interface of finding a view is formed
Close region and be defined as pre-focusing region；Peak value focusing area is determined by carrying out focusing detection in pre-focusing region, and to institute
State peak value focusing area and carry out peak value focusing；Described pre-focusing region and peak value is marked out at interface of finding a view by different colors
Focusing area.The present embodiment, by the way of at image acquisition region mobile logo thing, determines pre-focusing region, and in pre-focusing
Carry out focusing detection in region and determine peak value focusing area, thus peak value focusing area is carried out peak value focusing, solve artificial
During selecting focusing zone, the inaccurate technical problem of focusing area chosen may be caused, reach to promote the mesh of user satisfaction
's.
It should be noted that in this article, term " includes ", " comprising " or its any other variant are intended to non-row
Comprising of his property, so that include that the process of a series of key element, method, article or device not only include those key elements, and
And also include other key elements being not expressly set out, or also include intrinsic for this process, method, article or device
Key element.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that including this
The process of key element, method, article or device there is also other identical element.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art is it can be understood that arrive above-described embodiment side
Method can add the mode of required general hardware platform by software and realize, naturally it is also possible to by hardware, but a lot of in the case of
The former is more preferably embodiment.Based on such understanding, prior art is done by technical scheme the most in other words
The part going out contribution can embody with the form of software product, and this computer software product is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions with so that a station terminal equipment (can be mobile phone, computer, take
Business device, air-conditioner, or the network equipment etc.) perform the method described in each embodiment of the present invention.
These are only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description and accompanying drawing content are made convert, or are directly or indirectly used in other relevant skills
Art field, is the most in like manner included in the scope of patent protection of the present invention.
Claims (10)
1. a mobile terminal, it is characterised in that described mobile terminal includes:
Whether detection module, for determining image acquisition region at interface of finding a view, and exist in detecting described image acquisition region
The marker preset；
Acquisition module, if there is described marker in described image acquisition region being detected, then gathers described marker and exists
Motion track in image acquisition region, and the enclosed region that described motion track is formed at interface of finding a view is defined as pre-focusing
Region；
Peak value Focusing module, for determining peak value focusing area, and to described by the detection that carries out focusing in pre-focusing region
Peak value focusing area carries out peak value focusing.
Mobile terminal the most according to claim 1, it is characterised in that described detection module specifically for:
Image acquisition region is carried out image scanning, in detecting described image acquisition region, whether there is default marker, its
In, described marker is the movable carrier with recognizable pattern or Quick Response Code.
Mobile terminal the most according to claim 1, it is characterised in that described peak value Focusing module includes:
First computing module, the ash of each pixel region in utilizing edge detection algorithm to calculate pre-focusing region
Degree changing value；
Judge module, if the grey scale change value for described pixel region is more than the threshold value preset, then by described pixel
Point is as edge pixel point；
Determine module, for the region that all of edge pixel point is drawn a circle to approve is defined as peak value focusing area.
Mobile terminal the most according to claim 3, it is characterised in that described first computing module specifically for:
The gray value of each pixel and multiple pixels in each pixel region in calculating pre-focusing region
Gray value, according to the gray scale of multiple pixels in the gray value of each pixel calculated and each pixel region
Value, the grey scale change value of each pixel region in utilizing edge detection algorithm to calculate described pre-focusing region.
5. according to the mobile terminal described in Claims 1-4 any one, it is characterised in that described mobile terminal also includes:
Labeling module, for marking out described pre-focusing region and peak value focusing area by different colors at interface of finding a view.
6. a peak value focusing method, it is characterised in that described method includes:
Determine image acquisition region at interface of finding a view, and whether there is default marker in detecting described image acquisition region；
If there is described marker in described image acquisition region being detected, then gather described marker in image acquisition region
Motion track, and by described motion track find a view interface formed enclosed region be defined as pre-focusing region；
Determine peak value focusing area by carrying out focusing detection in pre-focusing region, and described peak value focusing area is carried out peak
Value focusing.
Peak value focusing method the most according to claim 6, it is characterised in that in the described image acquisition region of described detection be
The marker that no existence is preset includes:
Image acquisition region is carried out image scanning, in detecting described image acquisition region, whether there is default marker, its
In, described marker is the movable carrier with recognizable pattern or Quick Response Code.
Peak value focusing method the most according to claim 6, it is characterised in that described right by carrying out in pre-focusing region
Burnt detection determines that the step of peak value focusing area includes:
The grey scale change value of each pixel region in utilizing edge detection algorithm to calculate pre-focusing region；
If the grey scale change value of described pixel region is more than the threshold value preset, then using described pixel as edge pixel
Point；
The region that all of edge pixel point is drawn a circle to approve is defined as peak value focusing area.
Peak value focusing method the most according to claim 8, it is characterised in that described to utilize edge detection algorithm to calculate pre-
In focusing area, the grey scale change value of each pixel region includes:
The gray value of each pixel and multiple pixels in each pixel region in calculating pre-focusing region
Gray value；
The gray value of multiple pixels in gray value according to each pixel calculated and each pixel region,
The grey scale change value of each pixel region in utilizing edge detection algorithm to calculate described pre-focusing region.
10. according to the peak value focusing method described in claim 6 to 9 any one, it is characterised in that described method also includes:
Described pre-focusing region and peak value focusing area is marked out at interface of finding a view by different colors.
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