CN106231132B - Mobile terminal and peak value focusing method - Google Patents
Mobile terminal and peak value focusing method Download PDFInfo
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- CN106231132B CN106231132B CN201610836532.8A CN201610836532A CN106231132B CN 106231132 B CN106231132 B CN 106231132B CN 201610836532 A CN201610836532 A CN 201610836532A CN 106231132 B CN106231132 B CN 106231132B
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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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- Physics & Mathematics (AREA)
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Abstract
The invention discloses a kind of mobile terminals, comprising: detection module determines image acquisition region at interface of finding a view, and whether there is preset marker in detection image pickup area；Acquisition module acquires motion track of the marker in image acquisition region, and the enclosed region by the motion track in interface formation of finding a view is determined as pre-focusing region if detecting in image acquisition region there are marker；Peak value Focusing module detects determining peak value focusing area by carrying out focusing in pre-focusing region, and carries out peak value focusing to peak value focusing area.The invention also discloses a kind of peak value focusing methods.The present invention is by way of in image acquisition region mobile logo object, determine pre-focusing region, and focusing is carried out in pre-focusing region and detects determining peak value focusing area, to carry out peak value focusing to peak value focusing area, when solving artificial selecting focusing zone, the technical problem that may cause the focusing area inaccuracy of selection, improves user satisfaction.
Description
Technical field
The present invention relates to camera work field more particularly to a kind of mobile terminals and peak value focusing method.
Background technique
Currently, user is to mobile terminal shooting function while with the mobile terminals fast development such as mobile phone, tablet computer
Requirement it is also higher and higher, user is intended to shoot the photo of better quality.At present when shooting photo, if using focus frame
Mode focus, since mobile terminal itself can not automatically determine peak value focusing area, need artificially to select on the touchscreen
It takes focusing area, when artificial selecting focusing zone, since the reference object for touching screen display is smaller, can only be clapped by clicking
Object select focusing area is taken the photograph, is possible to will lead to the focusing area inaccuracy of selection in this way, the satisfaction of user is not high.
Summary of the invention
It is a primary object of the present invention to propose a kind of mobile terminal and peak value focusing method, it is intended to solve artificial choose pair
When burnt region, the technical problem of the focusing area inaccuracy of selection may cause, achieve the purpose that promote user satisfaction.
To achieve the above object, a kind of mobile terminal provided by the invention, the mobile terminal include:
Detection module, for determining image acquisition region at interface of finding a view, and detect in described image pickup area whether
There are preset markers；
Acquisition module acquires the mark if there are the markers in described image pickup area for detecting
Motion track of the object in image acquisition region, and by the motion track find a view interface formation enclosed region be determined as it is pre-
Focusing area；
Peak value Focusing module, for detecting determining peak value focusing area by carrying out focusing in pre-focusing region, and it is right
The peak value focusing area carries out peak value focusing.
Preferably, the detection module is specifically used for:
Image scanning is carried out to image acquisition region, whether there is preset mark in detection described image pickup area
Object, wherein the marker is the movable carrier with recognizable pattern or two dimensional code.
Preferably, the peak value Focusing module includes:
First computing module, for calculating each pixel region in pre-focusing region using edge detection algorithm
Grey scale change value；
Judgment module will be described if the grey scale change value for the pixel region is greater than preset threshold value
Pixel is as edge pixel point；
Determining module, the region for being drawn a circle to approve all edge pixel points are determined as peak value focusing area.
Preferably, first computing module is specifically used for:
Calculate in pre-focusing region multiple pixels in the gray value of each pixel and each pixel region
The gray value of point, according to multiple pixels in the gray value of calculated each pixel and each pixel region
Gray value calculates the grey scale change value of each pixel region in the pre-focusing region using edge detection algorithm.
Preferably, the mobile terminal further include:
Labeling module, for marking out the pre-focusing region and peak value focusing area at interface of finding a view by different colors
Domain.
To achieve the above object, the present invention also provides a kind of peak value focusing methods, which comprises
Image acquisition region is determined at interface of finding a view, and is detected in described image pickup area with the presence or absence of preset mark
Object；
If detecting, there are the markers in described image pickup area, acquire the marker in image acquisition areas
Motion track in domain, and the enclosed region by the motion track in interface formation of finding a view is determined as pre-focusing region；
By carried out in pre-focusing region focusing detect determine peak value focusing area, and to the peak value focusing area into
The focusing of row peak value.
Preferably, include: with the presence or absence of preset marker in the detection described image pickup area
Image scanning is carried out to image acquisition region, whether there is preset mark in detection described image pickup area
Object, wherein the marker is the movable carrier with recognizable pattern or two dimensional code.
Preferably, described to determine that peak value focusing area includes: by carrying out focusing detection in pre-focusing region
The grey scale change value of each pixel region in pre-focusing region is calculated using edge detection algorithm；
If the grey scale change value of the pixel region is greater than preset threshold value, using the pixel as edge
Pixel；
The region that all edge pixel points are drawn a circle to approve is determined as peak value focusing area.
Preferably, the gray scale that each pixel region in pre-focusing region is calculated using edge detection algorithm
Changing value includes:
Calculate in pre-focusing region multiple pixels in the gray value of each pixel and each pixel region
The gray value of point；
According to the ash of multiple pixels in the gray value of calculated each pixel and each pixel region
Angle value calculates the grey scale change value of each pixel region in the pre-focusing region using edge detection algorithm.
Preferably, the method also includes:
The pre-focusing region and peak value focusing area are marked out at interface of finding a view by different colors.
Mobile terminal and peak value focusing method provided by the present invention, comprising: finding a view, interface determines image acquisition region,
And it detects in described image pickup area with the presence or absence of preset marker；If detecting, there are institutes in described image pickup area
Marker is stated, then acquires motion track of the marker in image acquisition region, and by the motion track on boundary of finding a view
The enclosed region that face is formed is determined as pre-focusing region；Determining peak value focusing area is detected by carrying out focusing in pre-focusing region
Domain, and peak value focusing is carried out to the peak value focusing area.The present invention by way of in image acquisition region mobile logo object,
It determines pre-focusing region, and carries out focusing in pre-focusing region and detect determining peak value focusing area, thus to peak value focusing area
Domain carries out peak value focusing, and when solving artificial selecting focusing zone, the technology that may cause the focusing area inaccuracy of selection is asked
Topic achievees the purpose that promote user satisfaction.
Detailed description of the invention
The hardware structural diagram of Fig. 1 each embodiment one optional mobile terminal to realize the present invention；
Fig. 2 is the wireless communication device schematic diagram of mobile terminal in Fig. 1；
Fig. 3 is the functional block diagram of mobile terminal first embodiment of the present invention；
Fig. 4 is the scene schematic diagram that whether there is preset marker in the present invention in detection image pickup area；
Fig. 5 is the scene schematic diagram that motion track of the marker in image acquisition region is acquired in the present invention；
Fig. 6 is the refinement the functional block diagram of peak value Focusing module in mobile terminal second embodiment of the present invention；
Fig. 7 is the functional block diagram of mobile terminal 3rd embodiment of the present invention；
Fig. 8 is to mark out the pre-focusing region and peak value focusing area at interface of finding a view by different colors in the present invention
The scene schematic diagram in domain；
Fig. 9 is the flow diagram of peak value focusing method first embodiment of the present invention；
Figure 10 is the refinement step flow diagram of step S30 in peak value focusing method second embodiment of the present invention；
Figure 11 is the flow diagram of peak value focusing method 3rd embodiment of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The mobile terminal of each embodiment of the present invention is realized in description with reference to the drawings.In subsequent description, use
For indicate element such as " module ", " component " or " unit " suffix only for being conducive to explanation of the invention, itself
There is no specific meanings.Therefore, " module " can be used mixedly with " component ".
Mobile terminal can be implemented in a variety of manners.For example, terminal described in the present invention may include such as moving
Phone, smart phone, laptop, digit broadcasting receiver, PDA (personal digital assistant), PAD (tablet computer), PMP
The mobile terminal of (portable media player), navigation device etc. and such as number TV, desktop computer etc. are consolidated
Determine terminal.Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that in addition to being used in particular for moving
Except the element of purpose, the construction of embodiment according to the present invention can also apply to the terminal of fixed type.
The hardware structural diagram of Fig. 1 each embodiment one optional mobile terminal to realize the present invention.
Mobile terminal 100 may include wireless communication unit 110, A/V (audio/video) input unit 120, user's input
Unit 130, sensing unit 140, output unit 150, memory 160, controller 180 and power supply unit 190 etc..Fig. 1 is shown
Mobile terminal with various assemblies, it should be understood that be not required for implementing all components shown.It can be alternatively
Implement more or fewer components.The element of mobile terminal will be discussed in more detail below.
Wireless communication unit 110 generally includes one or more components, allows mobile terminal 100 and wireless communication device
Or the radio communication between network.For example, wireless communication unit may include broadcasting reception module, mobile communication module, nothing
At least one of line the Internet module, short range communication module and location information module.
A/V input unit 120 is for receiving audio or video signal.A/V input unit 120 may include 121 He of camera
Microphone 122, camera 121 is to the static images obtained in video acquisition mode or image capture mode by image capture apparatus
Or the image data of video is handled.Treated, and picture frame may be displayed on display unit 151.It is handled through camera 121
Picture frame afterwards can store in memory 160 (or other storage mediums) or be sent out via wireless communication unit 110
It send, two or more cameras 121 can be provided according to the construction of mobile terminal.Microphone 122 can be in telephone calling model, note
Sound (audio data) is received via microphone in record mode, speech recognition mode etc. operational mode, and can will in this way
Acoustic processing be audio data.Microphone 122 can be implemented various types of noises eliminate (or inhibition) algorithms with eliminate (or
Inhibit) noise that is generated during sending and receiving audio signal or interference.
The order that user input unit 130 can be inputted according to user generates key input data to control each of mobile terminal
Kind operation.User input unit 130 allows user to input various types of information, and may include keyboard, metal dome, touch
Plate (for example, the sensitive component of detection due to the variation of resistance, pressure value, capacitor etc. caused by being contacted), idler wheel, rocking bar
Etc..Particularly, when touch tablet is superimposed upon in the form of layer on display unit 151, touch screen can be formed.
Sensing unit 140 detects the current state of mobile terminal 100, (for example, mobile terminal 100 opens or closes 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
100 orientation, the acceleration of mobile terminal 100 or by fast movement and direction etc., and generate for controlling mobile terminal 100
The order of operation or signal.In addition, sensing unit 140 is able to detect whether power supply unit 190 provides electric power.
Display unit 151 may be displayed on the information handled in mobile terminal 100.For example, when mobile terminal 100 is in electricity
When talking about call mode, display unit 151 can show and converse or other communicate (for example, text messaging, multimedia file
Downloading etc.) relevant user interface (UI) or graphic user interface (GUI).When mobile terminal 100 is in video calling mode
Or when image capture mode, display unit 151 can show captured image and/or received image, show video or figure
Picture and the UI or GUI of correlation function etc..
Meanwhile when display unit 151 and touch tablet in the form of layer it is superposed on one another to form touch screen when, display unit
151 may be used as input unit and output device.Display unit 151 may include liquid crystal display (LCD), thin film transistor (TFT)
In LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc. at least
It is a kind of.Some in these displays may be constructed such that transparence to allow user to watch from outside, this is properly termed as transparent
Display, typical transparent display can be, for example, TOLED (transparent organic light emitting diode) display etc..According to specific
Desired embodiment, mobile terminal 100 may include two or more display units (or other display devices), for example, moving
Dynamic terminal may include outernal display unit (not shown) and inner display unit (not shown).Touch screen can be used for detecting touch
Input pressure value and touch input position and touch input area.
Audio output module 152 can mobile terminal be in call signal reception pattern, call mode, logging mode,
It is when under the isotypes such as speech recognition mode, broadcast reception mode, wireless communication unit 110 is received or in memory 160
The audio data transducing audio signal of middle storage and to export be sound.Moreover, audio output module 152 can provide and movement
The relevant audio output of specific function (for example, call signal receives sound, message sink sound etc.) that terminal 100 executes.
Audio output module 152 may include sound pick-up, buzzer etc..
Memory 160 can store the software program etc. of the processing and control operation that are executed by controller 180, Huo Zheke
Temporarily to store oneself data (for example, telephone directory, message, still image, video etc.) through exporting or will export.And
And memory 160 can store about the vibrations of various modes and audio signal exported when touching and being applied to touch screen
Data.
Memory 160 may include the storage medium of at least one type, and the storage medium includes flash memory, hard disk, more
Media card, card-type memory (for example, SD or DX memory etc.), random access storage device (RAM), static random-access storage
Device (SRAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), programmable read only memory
(PROM), magnetic storage, disk, CD etc..Moreover, mobile terminal 100 can execute memory with by network connection
The network storage device of 160 store function cooperates.
The overall operation of the usually control mobile terminal of controller 180.For example, controller 180 executes and voice communication, data
Communication, video calling etc. relevant control and processing.In addition, controller 180 may include for reproducing (or playback) more matchmakers
The multi-media module 181 of volume data, multi-media module 181 can construct in controller 180, or can be structured as and control
Device 180 separates.Controller 180 can be with execution pattern identifying processing, by the handwriting input executed on the touchscreen or picture
It draws input and is identified as character or image.
Power supply unit 190 receives external power or internal power under the control of controller 180 and provides operation each member
Electric power appropriate needed for part and component.
Various embodiments described herein can be to use the calculating of such as computer software, hardware or any combination thereof
Machine readable medium is implemented.Hardware is implemented, 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
Programming gate array (FPGA), controller, microcontroller, microprocessor, is designed to execute function described herein processor
At least one of electronic unit is implemented, and in some cases, such embodiment can be implemented in controller 180.
For software implementation, the embodiment of such as process or function can with allow to execute the individual of at least one functions or operations
Software module is implemented.Software code can by the software application (or program) write with any programming language appropriate Lai
Implement, software code can store in memory 160 and be executed by controller 180.
Mobile terminal 100 as shown in Figure 1 may be constructed such that using via frame or grouping send data it is all if any
Line and wireless communication device and satellite-based communication device operate.
Referring now to Fig. 2 description communication device that wherein mobile terminal according to the present invention can operate.
Different air interface and/or physical layer can be used in such communication device.For example, used by communication device
Air interface includes such as frequency division multiple access (FDMA), time division multiple acess (TDMA), CDMA (CDMA) and universal mobile communications dress
Set (UMTS) (particularly, long term evolution (LTE)), global mobile communication device (GSM) etc..As non-limiting example, under
The description in face is related to cdma communication device, but such introduction is equally applicable to other types of device.
With reference to Fig. 2, cdma wireless communication device may include multiple mobile terminals 100, multiple base stations (BS) 270, base station
Controller (BSC) 275 and mobile switching centre (MSC) 280.MSC280 is configured to and Public Switched Telephony Network (PSTN)
290 form interface.MSC280 is also structured to form interface with the BSC275 that can be couple to base station 270 via back haul link.
Back haul link can be constructed according to any in several known interfaces, and the interface includes such as E1/T1, ATM, IP,
PPP, frame relay, HDSL, ADSL or xDSL.It will be appreciated that device may include multiple BSC2750 as shown in Figure 2.
Each BS270 can service one or more subregions (or region), by multidirectional antenna or the day of direction specific direction
Each subregion of line covering is radially far from BS270.Alternatively, each subregion can be by two or more for diversity reception
Antenna covering.Each BS270, which may be constructed such that, supports multiple frequency distribution, and the distribution of each frequency has specific frequency spectrum
(for example, 1.25MHz, 5MHz etc.).
What subregion and frequency were distributed, which intersects, 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 " can be used for broadly indicating single
BSC275 and at least one BS270.Base station can also be referred to as " cellular station ".Alternatively, each subregion of specific BS270 can be claimed
For multiple cellular stations.
As shown in Figure 2, broadcast singal is sent to the mobile terminal operated in the device by broadcsting transmitter (BT) 295
100.In fig. 2 it is shown that several global pick device (GPS) satellites 300.The help of satellite 300 positions multiple mobile terminals 100
At least one of.
In Fig. 2, multiple satellites 300 are depicted, but it is understood that, it can use any number of satellite and obtain
Useful location information.As a typical operation of wireless communication device, BS270 is received from various mobile terminals 100
Reverse link signal.Mobile terminal 100 usually participates in call, information receiving and transmitting and other types of communication.Certain base station 270 receives
Each reverse link signal handled in specific BS270.The data of acquisition are forwarded to relevant BSC275.BSC
The mobile management function of call resource allocation and the coordination including the soft switching process between BS270 is provided.BSC275 will also connect
The data received are routed to MSC280, provide the additional route service for forming interface with PSTN290.Similarly,
PSTN290 and MSC280 form interface, and MSC and BSC275 form interface, and BSC275 controls BS270 correspondingly with will be positive
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.
Referring to Fig. 3, Fig. 3 is the functional block diagram of mobile terminal first embodiment of the present invention, and the present invention provides one kind
Mobile terminal 400, in the present embodiment, which includes:
Detection module 410 is for determining image acquisition region at interface of finding a view, and detecting in described image pickup area
It is no that there are preset markers.
In the present embodiment, after the camera function that user opens mobile terminal, the area for needing to carry out Image Acquisition is determined
Domain, i.e. mobile terminal are found a view region accessed by interface.After determining image acquisition region, described image pickup area is detected
It is interior to whether there is preset marker.
Wherein, the detection range of mobile terminal detection marker is identical as the image-capture field of mobile terminal camera.
Specifically: image scanning is carried out to image acquisition region, whether there is preset marker in detection described image pickup area,
Wherein, the marker is the movable carrier with recognizable pattern or two dimensional code.The recognizable image such as " arrow
Head ", " red spots " etc., described movable carrier such as pencil, finger etc..Specifically, described can recognize can will be printed on
The drawing of pattern or two dimensional code is attached on movable carrier as marker.For example, patch one is red on finger or pencil
The arrow of color is as marker.
Referring to Fig. 4, the mobile terminal, Fig. 4 are detection image acquisition in the present invention in order to better understand the present invention
It whether there is the scene schematic diagram of preset marker in region.In Fig. 4, after interface of finding a view determines image acquisition region,
Whether there is " marker " in detection image pickup area, i.e., in detection image pickup area with the presence or absence of " can recognize pattern or
Two dimensional code ", and if it exists, " can recognize pattern or two dimensional code " that then will test carries out relative to the position where " interface of finding a view "
Mark, such as be identified in " interface of finding a view " by way of cursor or hot spot.
Acquisition module 420 acquires the mark if there are the markers in described image pickup area for detecting
Know motion track of the object in image acquisition region, and the enclosed region by the motion track in interface formation of finding a view is determined as
Pre-focusing region.
In the present embodiment, if detecting, there are the markers in described image pickup area, and finding a view, interface is got the bid
The marker out, and motion track of the marker in image acquisition region is acquired, and the motion track is being taken
The enclosed region that scape interface is formed is determined as pre-focusing region.
Referring to Fig. 5, the mobile terminal, Fig. 5 are to acquire the mark in the present invention in order to better understand the present invention
Motion track scene schematic diagram of the object in image acquisition region.In Fig. 5, " marker " is being placed in image acquisition areas by user
Domain, and after mobile terminal detects and " can recognize pattern or two dimensional code " entrained by " marker ", it is mobile " to identify
Object ", so that be somebody's turn to do " marker " forms a circle in image acquisition region, then mobile terminal then can be according to collected " mark
The motion track of " can recognize pattern or two dimensional code ", also forms a corresponding circle at " interface of finding a view " entrained by knowledge object ".
Wherein, the circle in described " interface of finding a view " is relative to the position at " interface of finding a view " and " marker " in Image Acquisition
Position consistency of the circle that region is formed relative to image acquisition region.
Wherein, the region that collected circle is drawn a circle to approve in " interface of finding a view " is determined as pre-focusing region.
Peak value Focusing module 430, for detecting determining peak value focusing area by carrying out focusing in pre-focusing region, and
Peak value focusing is carried out to the peak value focusing area.
In the present embodiment, after pre-focusing region has been determined, focusing detection is carried out in pre-focusing region to determine peak
It is worth focusing area, and peak value focusing is carried out to determining peak value focusing area.
Mobile terminal 400 described in the present embodiment includes: detection module 410, and finding a view, interface determines image acquisition areas
Domain, and detect in described image pickup area with the presence or absence of preset marker；Acquisition module 420, if detecting described image
There are the markers in pickup area, then acquire motion track of the marker in image acquisition region, and will be described
Motion track is determined as pre-focusing region in the enclosed region for interface formation of finding a view；Peak value Focusing module 430, by pre-focusing
Focusing is carried out in region and detects determining peak value focusing area, and peak value focusing is carried out to the peak value focusing area.The present embodiment
By way of in image acquisition region mobile logo object, pre-focusing region is determined, and focusing inspection is carried out in pre-focusing region
It surveys and determines peak value focusing area, so that carrying out peak value focusing to peak value focusing area can when solving artificial selecting focusing zone
The technical problem that can lead to the focusing area inaccuracy chosen achievees the purpose that promote user satisfaction.
It further, is the refinement function of peak value Focusing module in mobile terminal second embodiment of the present invention referring to Fig. 6, Fig. 6
It can module diagram.Based on above-mentioned Fig. 3 the embodiment described, in the present embodiment, the peak value Focusing module 430 includes:
First computing module 431, for being calculated in pre-focusing region where each pixel using edge detection algorithm
The grey scale change value in region.
Wherein, it calculates in 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 calculated each pixel and each pixel region
The gray value of pixel calculates the grey scale change value of each pixel region using edge detection algorithm.
In the present embodiment, calculate in pre-focusing region first around a certain pixel or the neighbouring gray scale of multiple pixels
Value, and region composed by the pixel and its multiple pixels of surrounding is the pixel region；Then according to gray scale
Value calculates the lateral grey scale change value and longitudinal grey scale change value of the pixel region using edge detection algorithm, then
The grey scale change value of the pixel region is calculated according to lateral grey scale change value and longitudinal grey scale change value.Accordingly, time
The all pixels point in pre-focusing region is gone through, to calculate the grey scale change of each pixel region in pre-focusing region
Value.
Judgment module 432, if the grey scale change value for the pixel region is greater than preset threshold value, by institute
Pixel is stated as edge pixel point.
In the present embodiment, if the grey scale change value of pixel region is greater than preset threshold, which is made
For edge pixel point.
Determining module 433, the region for being drawn a circle to approve all edge pixel points are determined as peak value focusing area.
In the present embodiment, it is preferable that when multiple edge pixel points are distributed in a ring, then assert the region within annular
For peak value focusing area, determine that focusing is completed.Wherein the annular can be round, rectangular, irregular shape etc..
Wherein, in certain embodiments, although there is edge pixel point in preview interface, the quantity of edge pixel point is less than
Preset value or edge pixel point are not distributed in a ring, still can be using the position where edge pixel point as peak value focusing area
Domain.
Mobile terminal 400 described in the present embodiment includes that the first computing module 431 is calculated using edge detection algorithm
Out in pre-focusing region each pixel region grey scale change value；Judgment module 432, if for where the pixel
The grey scale change value in region is greater than preset threshold value, then using the pixel as edge pixel point；Determining module 433, is used for
The region that all edge pixel points are drawn a circle to approve is determined as peak value focusing area.The present embodiment in image acquisition region by moving
The mode of dynamic marker, determines pre-focusing region, and carried out in pre-focusing region by edge detection algorithm focusing detection come
Determine peak value focusing area, so that peak value focusing is carried out to peak value focusing area, it, may when solving artificial selecting focusing zone
The technical problem for leading to the focusing area inaccuracy chosen achievees the purpose that promote user satisfaction.
It further, is the functional block diagram of mobile terminal 3rd embodiment of the present invention referring to Fig. 7, Fig. 7.Based on upper
State Fig. 3 the embodiment described, in the present embodiment, the mobile terminal 400 further include:
Labeling module 440, for marking out the pre-focusing region and peak value pair at interface of finding a view by different colors
Burnt region.
In the present embodiment, after interface of finding a view has determined pre-focusing region and peak value focusing area, pass through different face
Color marks out the pre-focusing region and peak value focusing area at interface of finding a view, so that user judges determining peak value focusing area
It is whether accurate, however, it is determined that peak value focusing area it is more accurate, then can set out photographing instruction, take pictures；If it is determined that peak
It is worth focusing area inaccuracy, then user can trigger cancel an order, remove the pre-focusing region determined in interface of finding a view and peak value
Focusing area, and again in detection image pickup area marker motion track.
Referring to Fig. 8, the mobile terminal, Fig. 8 are to pass through different face in the present invention in order to better understand the present invention
Color marks out the schematic diagram of a scenario in the pre-focusing region and peak value focusing area at interface of finding a view.In Fig. 8, at " interface of finding a view "
After detecting " can recognize pattern or two dimensional code " in " marker " in image acquisition region, can by movement " marker " come
It draws a circle to approve " reference object ".In the present embodiment, movement " marker " simultaneously, will form " pre-focusing an area at " interface of finding a view "
Domain ", and can be by carrying out focusing detection in " pre-focusing region ", so that it is determined that going out " peak value focusing area ".Wherein, this reality
It applies in example, " pre-focusing region " and " peak value focusing area " can be marked out at interface of finding a view with the lines of different colors,
Dotted line can be used to mark out " pre-focusing region " in interface of finding a view, mark out " peak value pair in interface of finding a view using solid line
Burnt region ".
Mobile terminal 400 described in the present embodiment includes: detection module 410, and finding a view, interface determines image acquisition areas
Domain, and detect in described image pickup area with the presence or absence of preset marker；Acquisition module 420, if detecting described image
There are the markers in pickup area, then acquire motion track of the marker in image acquisition region, and will be described
Motion track is determined as pre-focusing region in the enclosed region for interface formation of finding a view；Peak value Focusing module 430, by pre-focusing
Focusing is carried out in region and detects determining peak value focusing area, and peak value focusing is carried out to the peak value focusing area；Labeling module
440, for marking out the pre-focusing region and peak value focusing area at interface of finding a view by different colors.The present embodiment is logical
The mode in image acquisition region mobile logo object is crossed, determines pre-focusing region, and carry out focusing detection in pre-focusing region
Determine peak value focusing area, so that peak value focusing is carried out to peak value focusing area, it, may when solving artificial selecting focusing zone
The technical problem for leading to the focusing area inaccuracy chosen achievees the purpose that promote user satisfaction.
Referring to Fig. 9, Fig. 9 is the flow diagram of peak value focusing method first embodiment of the present invention, and the present invention provides one kind
Peak value focusing method, in the present embodiment, the peak value focusing method includes:
Step S10 determines image acquisition region at interface of finding a view, and detects in described image pickup area with the presence or absence of pre-
If marker.
In the present embodiment, after the camera function that user opens mobile terminal, the area for needing to carry out Image Acquisition is determined
Domain, i.e. mobile terminal are found a view region accessed by interface.After determining image acquisition region, described image pickup area is detected
It is interior to whether there is preset marker.
Wherein, the detection range of mobile terminal detection marker is identical as the image-capture field of mobile terminal camera.
Specifically: image scanning is carried out to image acquisition region, whether there is preset marker in detection described image pickup area,
Wherein, the marker is the movable carrier with recognizable pattern or two dimensional code.The recognizable image such as " arrow
Head ", " red spots " etc., described movable carrier such as pencil, finger etc..Specifically, described can recognize can will be printed on
The drawing of pattern or two dimensional code is attached on movable carrier as marker.For example, patch one is red on finger or pencil
The arrow of color is as marker.
Referring to Fig. 4, the peak value focusing method, Fig. 4 are detection image in the present invention in order to better understand the present invention
It whether there is the scene schematic diagram of preset marker in pickup area.In Fig. 4, finding a view, interface determines image acquisition region
Afterwards, it whether there is " marker " in detection image pickup area, i.e., with the presence or absence of " recognizable pattern in detection image pickup area
Or two dimensional code ", and if it exists, " can recognize pattern or two dimensional code " that then will test relative to the position where " interface of finding a view " into
Line identifier, such as be identified in " interface of finding a view " by way of cursor or hot spot.
Step S20, if detecting, there are the markers in described image pickup area, acquire the marker and are scheming
As the motion track in pickup area, and the enclosed region by the motion track in interface formation of finding a view is determined as pre-focusing area
Domain.
In the present embodiment, if detecting, there are the markers in described image pickup area, and finding a view, interface is got the bid
The marker out, and motion track of the marker in image acquisition region is acquired, and the motion track is being taken
The enclosed region that scape interface is formed is determined as pre-focusing region.
Referring to Fig. 5, the peak value focusing method in order to better understand the present invention, Fig. 5 is in the present invention described in acquisition
Motion track scene schematic diagram of the marker in image acquisition region.In Fig. 5, " marker " is being placed in Image Acquisition by user
Region, and after mobile terminal detects and " can recognize pattern or two dimensional code " entrained by " marker ", it is mobile " to identify
Object ", so that be somebody's turn to do " marker " forms a circle in image acquisition region, then mobile terminal then can be according to collected " mark
The motion track of " can recognize pattern or two dimensional code ", also forms a corresponding circle at " interface of finding a view " entrained by knowledge object ".
Wherein, the circle in described " interface of finding a view " is relative to the position at " interface of finding a view " and " marker " in Image Acquisition
Position consistency of the circle that region is formed relative to image acquisition region.
Wherein, the region that collected circle is drawn a circle to approve in " interface of finding a view " is determined as pre-focusing region.
Step S30 detects determining peak value focusing area by carrying out focusing in pre-focusing region, and to the peak value pair
Burnt region carries out peak value focusing.
In the present embodiment, after pre-focusing region has been determined, focusing detection is carried out in pre-focusing region to determine peak
It is worth focusing area, and peak value focusing is carried out to determining peak value focusing area.
Peak value focusing method described in the present embodiment includes: to determine image acquisition region at interface of finding a view, and described in detecting
It whether there is preset marker in image acquisition region；If detecting in described image pickup area there are the marker,
Then acquire motion track of the marker in image acquisition region, and the closing in interface formation of finding a view by the motion track
It closes region and is determined as pre-focusing region；Determining peak value focusing area is detected by carrying out focusing in pre-focusing region, and to institute
It states peak value focusing area and carries out peak value focusing.The present embodiment determines pre- by way of in image acquisition region mobile logo object
Focusing area, and carry out focusing in pre-focusing region and detect determining peak value focusing area, to be carried out to peak value focusing area
Peak value focusing, when solving artificial selecting focusing zone, may cause the technical problem of the focusing area inaccuracy of selection, reaches
Promote the purpose of user satisfaction.
Further, the refinement step that 0, Figure 10 is step S30 in peak value focusing method second embodiment of the present invention referring to Fig.1
Rapid flow diagram.Based on above-mentioned Fig. 9 the embodiment described, in the present embodiment, the step S30 includes:
Step S31 is become using the gray scale that edge detection algorithm calculates each pixel region in pre-focusing region
Change value.
Wherein, it calculates in 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 calculated each pixel and each pixel region
The gray value of pixel calculates the grey scale change value of each pixel region using edge detection algorithm.
In the present embodiment, calculate in pre-focusing region first around a certain pixel or the neighbouring gray scale of multiple pixels
Value, and region composed by the pixel and its multiple pixels of surrounding is the pixel region；Then according to gray scale
Value calculates the lateral grey scale change value and longitudinal grey scale change value of the pixel region using edge detection algorithm, then
The grey scale change value of the pixel region is calculated according to lateral grey scale change value and longitudinal grey scale change value.Accordingly, time
The all pixels point in pre-focusing region is gone through, to calculate the grey scale change of each pixel region in pre-focusing region
Value.
Step S32, if the grey scale change value of the pixel region is greater than preset threshold value, by the pixel
As edge pixel point.
In the present embodiment, if the grey scale change value of pixel region is greater than preset threshold, which is made
For edge pixel point.
The region that all edge pixel points are drawn a circle to approve is determined as peak value focusing area by step S33.
In the present embodiment, it is preferable that when multiple edge pixel points are distributed in a ring, then assert the region within annular
For peak value focusing area, determine that focusing is completed.Wherein the annular can be round, rectangular, irregular shape etc..
Wherein, in certain embodiments, although there is edge pixel point in preview interface, the quantity of edge pixel point is less than
Preset value or edge pixel point are not distributed in a ring, still can be using the position where edge pixel point as peak value focusing area
Domain.
Peak value focusing method described in the present embodiment includes: to be calculated in pre-focusing region each using edge detection algorithm
The grey scale change value of pixel region；If the grey scale change value of the pixel region is greater than preset threshold value,
Using the pixel as edge pixel point；The region that all edge pixel points are drawn a circle to approve is determined as peak value focusing area.
The present embodiment determines pre-focusing region, and pass through edge detection algorithm by way of in image acquisition region mobile logo object
Focusing detection is carried out in pre-focusing region to determine peak value focusing area, so that peak value focusing is carried out to peak value focusing area,
When solving artificial selecting focusing zone, the technical problem of the focusing area inaccuracy of selection may cause, reach and promote user
The purpose of satisfaction.
Further, referring to Fig.1 1, Figure 11 be peak value focusing method 3rd embodiment of the present invention flow diagram.It is based on
Above-mentioned Fig. 9 the embodiment described, in the present embodiment, the peak value focusing method further include:
Step S40 marks out the pre-focusing region and peak value focusing area at interface of finding a view by different colors.
In the present embodiment, after interface of finding a view has determined pre-focusing region and peak value focusing area, pass through different face
Color marks out the pre-focusing region and peak value focusing area at interface of finding a view, so that user judges determining peak value focusing area
It is whether accurate, however, it is determined that peak value focusing area it is more accurate, then can set out photographing instruction, take pictures；If it is determined that peak
It is worth focusing area inaccuracy, then user can trigger cancel an order, remove the pre-focusing region determined in interface of finding a view and peak value
Focusing area, and again in detection image pickup area marker motion track.
Referring to Fig. 8, the peak value focusing method, Fig. 8 are to pass through difference in the present invention in order to better understand the present invention
Color mark out the schematic diagram of a scenario in the pre-focusing region and peak value focusing area at interface of finding a view.In Fig. 8, " finding a view
After interface " detects " can recognize pattern or two dimensional code " in " marker " in image acquisition region, movement " mark can be passed through
Object " draws a circle to approve " reference object ".In the present embodiment, movement " marker " simultaneously, " interface of finding a view " will form one it is " pre- right
Burnt region ", and can be by carrying out focusing detection in " pre-focusing region ", so that it is determined that going out " peak value focusing area ".Wherein,
In the present embodiment, " pre-focusing region " and " peak value focusing area can be marked out at interface of finding a view with the lines of different colors
Domain " also can be used dotted line and mark out " pre-focusing region " in interface of finding a view, be marked out in interface of finding a view using solid line
" peak value focusing area ".
Peak value focusing method described in the present embodiment includes: to determine image acquisition region at interface of finding a view, and described in detecting
It whether there is preset marker in image acquisition region；If detecting in described image pickup area there are the marker,
Then acquire motion track of the marker in image acquisition region, and the closing in interface formation of finding a view by the motion track
It closes region and is determined as pre-focusing region；Determining peak value focusing area is detected by carrying out focusing in pre-focusing region, and to institute
It states peak value focusing area and carries out peak value focusing；The pre-focusing region and peak value are marked out at interface of finding a view by different colors
Focusing area.The present embodiment determines pre-focusing region, and in pre-focusing by way of in image acquisition region mobile logo object
Focusing is carried out in region and detects determining peak value focusing area, to carry out peak value focusing to peak value focusing area, is solved artificial
When selecting focusing zone, the technical problem of the focusing area inaccuracy of selection may cause, reach the mesh for promoting user satisfaction
's.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, computer, clothes
Business device, air conditioner or the network equipment etc.) execute method described in each embodiment of the present invention.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (8)
1. a kind of mobile terminal, which is characterized in that the mobile terminal includes:
Detection module for determining image acquisition region at interface of finding a view, and detects and whether there is in described image pickup area
Preset marker；
Acquisition module acquires the marker and exists if there are the markers in described image pickup area for detecting
Motion track in image acquisition region, and the enclosed region by the motion track in interface formation of finding a view is determined as pre-focusing
Region；
Peak value Focusing module, for detecting determining peak value focusing area by carrying out focusing in pre-focusing region, and to described
Peak value focusing area carries out peak value focusing；
Wherein, the detection module is specifically used for:
Image scanning is carried out to image acquisition region, whether there is preset marker in detection described image pickup area,
In, the marker is the movable carrier with recognizable pattern or two dimensional code.
2. mobile terminal according to claim 1, which is characterized in that the peak value Focusing module includes:
First computing module, for calculating the ash of each pixel region in pre-focusing region using edge detection algorithm
Spend changing value；
Judgment module, if the grey scale change value for the pixel region is greater than preset threshold value, by the pixel
Point is used as edge pixel point；
Determining module, the region for being drawn a circle to approve all edge pixel points are determined as peak value focusing area.
3. mobile terminal according to claim 2, which is characterized in that first computing module is specifically used for:
Calculate multiple pixels in the gray value of each pixel in pre-focusing region and each pixel region
Gray value, according to the gray scale of multiple pixels in the gray value of calculated each pixel and each pixel region
Value, the grey scale change value of each pixel region in the pre-focusing region is calculated using edge detection algorithm.
4. according to claim 1 to mobile terminal described in 3 any one, which is characterized in that the mobile terminal further include:
Labeling module, for marking out the pre-focusing region and peak value focusing area at interface of finding a view by different colors.
5. a kind of peak value focusing method, which is characterized in that the described method includes:
Image acquisition region is determined at interface of finding a view, and is detected in described image pickup area with the presence or absence of preset marker；
If detecting, there are the markers in described image pickup area, acquire the marker in image acquisition region
Motion track, and by the motion track find a view interface formation enclosed region be determined as pre-focusing region；
Determining peak value focusing area is detected by carrying out focusing in pre-focusing region, and peak is carried out to the peak value focusing area
Value focusing；
Wherein, include: with the presence or absence of preset marker in the detection described image pickup area
Image scanning is carried out to image acquisition region, whether there is preset marker in detection described image pickup area,
In, the marker is the movable carrier with recognizable pattern or two dimensional code.
6. peak value focusing method according to claim 5, which is characterized in that described by being carried out in pre-focusing region pair
Coke detect determine peak value focusing area the step of include:
The grey scale change value of each pixel region in pre-focusing region is calculated using edge detection algorithm；
If the grey scale change value of the pixel region is greater than preset threshold value, using the pixel as edge pixel
Point；
The region that all edge pixel points are drawn a circle to approve is determined as peak value focusing area.
7. peak value focusing method according to claim 6, which is characterized in that the utilization edge detection algorithm calculates pre-
The grey scale change value of each pixel region includes: in focusing area
Calculate multiple pixels in the gray value of each pixel in pre-focusing region and each pixel region
Gray value；
According to the gray value of multiple pixels in the gray value of calculated each pixel and each pixel region,
The grey scale change value of each pixel region in the pre-focusing region is calculated using edge detection algorithm.
8. according to peak value focusing method described in claim 5 to 7 any one, which is characterized in that the method also includes:
The pre-focusing region and peak value focusing area are marked out at interface of finding a view by different colors.
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| CN112285876A (en) * | 2020-11-04 | 2021-01-29 | 邱妙娜 | Camera automatic focusing method based on image processing and bubble detection |
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| CN101567975A (en) * | 2009-05-26 | 2009-10-28 | 深圳华为通信技术有限公司 | Method and device for selecting focusing zone |
| CN102109737A (en) * | 2009-12-24 | 2011-06-29 | 比亚迪股份有限公司 | Method and device for focusing user-defined area |
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