CN105163035A - Mobile terminal shooting system and mobile terminal shooting method - Google Patents
Mobile terminal shooting system and mobile terminal shooting method Download PDFInfo
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- CN105163035A CN105163035A CN201510641113.4A CN201510641113A CN105163035A CN 105163035 A CN105163035 A CN 105163035A CN 201510641113 A CN201510641113 A CN 201510641113A CN 105163035 A CN105163035 A CN 105163035A
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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
Abstract
The invention discloses a mobile terminal shooting system and a mobile terminal shooting method. The mobile terminal shooting system comprises a camera, a control module and a focusing module; the focusing module analyzes a shooting scene corresponding to the camera to obtain focal length information for shooting on the shooting scene; the control module obtains the focal length information from the focusing module and sends the focal length information to the camera; the camera focuses according to the focal length information to shoot on the shooting scene. According to the mobile terminal shooting system, before the camera shoots on the shooting scene, the focal length information suitable for the current shooting scene is calculated firstly by the focusing module, and then the camera shoots on the shooting scene according to the focal length information to obtain a static image or a dynamic image relatively high in shooting quality; obviously, in the technical scheme of the mobile terminal shooting system, the focusing process of the camera is omitted to avoid delay when the camera picks up a static image and flutter when dynamic images are picked up.
Description
Technical field
The present invention relates to electronic information technical field, particularly relate to a kind of mobile terminal camera system and mobile terminal image pickup method.
Background technology
At most video recording equipment of taking pictures in the market, have the feature that common, that supports focusing exactly.So-called focusing, exactly when interface of finding a view changes, by constantly changing focal length, coordinates image processing techniques, finds and can make picture correct focal length clearly.
But in the process of this focusing, focal length can change back and forth, until picture reaches the readability of algorithm requirement.This change can show in preview very intuitively, is exactly that preview screen can be shaken back and forth until stable under different definition, and picture deformation shake to a certain degree.Such process, for the shooting of still image, can cause the delay (because needing additional wait to focus) of taking; And for shooting motion, the quality of impact shooting that can be serious.
In normal shooting motion process, needing constantly conversion photographed scene and object, in order to ensure the definition of picture photographing, so in new scene, just needing again to go to focus.But because video recording continues to carry out, so the process of this focusing will be recorded in our final animated video.Such a float process, the in fact stability of the entirety of heavy damage picture and fluency.And actual shooting process, picture is that the animation that the time that also just result in shooting is slightly grown has forgiven a large amount of this focusing picture frequently in change.
Summary of the invention
Main purpose of the present invention is to propose a kind of mobile terminal camera system and mobile terminal image pickup method, is intended to the shake or the delay issue that solve camera picture appearance when mobile terminal is made a video recording.
For achieving the above object, a kind of mobile terminal camera system provided by the invention, comprising: camera, control module, Focusing module; The photographed scene that described Focusing module is corresponding to described camera is analyzed, and obtains the focus information for taking described photographed scene; Described control module obtains described focus information from described Focusing module, and sends to described camera; Described camera is focused by described focus information, to take described photographed scene.
Alternatively, aforesaid mobile terminal camera system, described control module also obtains the focusing position of described camera from described camera, and sends to described Focusing module; Described Focusing module chooses relevant position according to described focusing position from described photographed scene, analyzes the described focus information being used for taking relevant position in described photographed scene.
Alternatively, aforesaid mobile terminal camera system, described mobile terminal camera system also comprises: attitude transducer; Described attitude transducer detects the attitude information of described mobile terminal; Described control module obtains described attitude information from described attitude transducer, and judge whether the attitude of described mobile terminal changes the described photographed scene change causing described camera corresponding, and send focusing signal when judged result is for being to described Focusing module; Described Focusing module often receives once described focusing signal, once analyzes obtain described focus information to described photographed scene.
Alternatively, aforesaid mobile terminal camera system, sends single focusing signal to described Focusing module during the single focusing instruction that described control module reception user sends; Described Focusing module often receives once described single focusing signal, once analyzes obtain described focus information to described photographed scene.
Alternatively, aforesaid mobile terminal camera system, sends continuous focusing signal to described Focusing module when the continuous focusing instruction that described control module reception user sends or stopping focusing instruction or stops focusing signal; When described Focusing module receives described continuous focusing signal, continual analysis is carried out to obtain described focus information continuously to described photographed scene, and described Focusing module receive described stopping focusing signal time, stop analysing described photographed scene obtaining described focus information.
For achieving the above object, the present invention also provides a kind of mobile terminal image pickup method, and described mobile terminal comprises camera, control module, Focusing module; Described method comprises: the photographed scene that described Focusing module is corresponding to described camera is analyzed, and obtains the focus information for taking described photographed scene; Described control module obtains described focus information from described Focusing module, and sends to described camera; Described camera is focused by described focus information, to take described photographed scene.
Alternatively, aforesaid mobile terminal image pickup method, also comprises: described control module also obtains the focusing position of described camera from described camera, and sends to described Focusing module; The photographed scene that described Focusing module is corresponding to described camera is analyzed, obtain the focus information for taking described photographed scene, specifically comprise: described Focusing module chooses relevant position according to described focusing position from described photographed scene, analyze the described focus information being used for taking relevant position in described photographed scene.
Alternatively, aforesaid mobile terminal image pickup method, described mobile terminal also comprises: attitude transducer; Described method also comprises: described attitude transducer detects the attitude information of described mobile terminal; Described control module obtains described attitude information from described attitude transducer, and judge whether the attitude of described mobile terminal changes the described photographed scene change causing described camera corresponding, and send focusing signal when judged result is for being to described Focusing module; The photographed scene that described Focusing module is corresponding to described camera is analyzed, obtain the focus information for taking described photographed scene, specifically comprise: described Focusing module often receives once described focusing signal, described photographed scene is once analyzed and obtains described focus information.
Alternatively, aforesaid mobile terminal image pickup method, also comprises: send single focusing signal to described Focusing module during the single focusing instruction that described control module reception user sends; The photographed scene that described Focusing module is corresponding to described camera is analyzed, obtain the focus information for taking described photographed scene, specifically comprise: described Focusing module often receives once described single focusing signal, once analyzes obtain described focus information to described photographed scene.
Alternatively, aforesaid mobile terminal image pickup method, also comprises: send continuous focusing signal to described Focusing module when the continuous focusing instruction that described control module reception user sends or stopping focusing instruction or stop focusing signal; The photographed scene that described Focusing module is corresponding to described camera is analyzed, obtain the focus information for taking described photographed scene, specifically comprise: when described Focusing module receives described continuous focusing signal, continual analysis is carried out to obtain described focus information continuously to described photographed scene, and described Focusing module receive described stopping focusing signal time, stop analysing described photographed scene obtaining described focus information.
The mobile terminal camera system that the present invention proposes and mobile terminal image pickup method, at least have the following advantages:
According to technical scheme of the present invention, before camera is taken photographed scene, Focusing module is utilized first to calculate the focus information being applicable to photographed scene instantly, and camera is taken photographed scene according to focus information, the higher still image of shooting quality or animation just can be obtained; In the inventive solutions visible, eliminate the process that camera carries out focusing, there will not be delay when making camera take still image, during shooting motion, there will not be float.
Accompanying drawing explanation
Fig. 1 is the hardware configuration schematic diagram of the mobile terminal realizing each embodiment of the present invention;
Fig. 2 is the electrical structure block diagram with the mobile terminal of shoot function realizing each embodiment of the present invention;
Fig. 3 is the block diagram of mobile terminal camera system according to an embodiment of the invention;
Fig. 3 A is the schematic diagram of mobile terminal camera system according to an embodiment of the invention;
Fig. 3 B is the schematic diagram of mobile terminal camera system according to an embodiment of the invention;
Fig. 3 C is the schematic diagram of mobile terminal camera system according to an embodiment of the invention;
Fig. 4 is the block diagram of mobile terminal camera system according to an embodiment of the invention;
Fig. 5 is the flow chart of mobile terminal image pickup method according to an embodiment of the invention;
Fig. 6 is the flow chart of mobile terminal image pickup method according to an embodiment of the invention;
Fig. 7 is the flow chart of mobile terminal image pickup method according to an embodiment of the invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be 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 the suffix of such as " module ", " parts " or " unit " for representing element only in order to be conducive to explanation of the present invention, itself is specific meaning not.Therefore, " module " and " parts " can mixedly use.
Mobile terminal can be implemented in a variety of manners.Such as, the terminal described in the present invention can comprise the such as mobile terminal of mobile phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP (portable media player), guider etc. and the fixed terminal of such as digital TV, desktop computer etc.Below, suppose that terminal is mobile terminal.But it will be appreciated by those skilled in the art that except the element except being used in particular for mobile object, structure according to the embodiment of the present invention also can be applied to the terminal of fixed type.
Fig. 1 is the hardware configuration signal of the mobile terminal realizing each embodiment of the present invention.
Mobile terminal 100 can comprise wireless communication unit 110, A/V (audio/video) input unit 120, user input unit 130, sensing cell 140, output unit 150, memory 160, interface unit 170, controller 180 and power subsystem 190 etc.Fig. 1 shows the mobile terminal with various assembly, it should be understood that, does not require to implement all assemblies illustrated.Can alternatively implement more or less 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 the radio communication between mobile terminal 100 and wireless communication system or network.Such as, wireless communication unit can comprise at least one in broadcast reception module 111, mobile communication module 112, wireless Internet module 113, short range communication module 114 and positional information module 115.
Broadcast reception module 111 via broadcast channel from external broadcasting management server receiving broadcast signal and/or broadcast related information.Broadcast channel can comprise satellite channel and/or terrestrial channel.Broadcast management server can be generate and send the server of broadcast singal and/or broadcast related information or the broadcast singal generated before receiving and/or broadcast related information and send it to the server of terminal.Broadcast singal can comprise TV broadcast singal, radio signals, data broadcasting signal etc.And broadcast singal may further include the broadcast singal combined with TV or radio signals.Broadcast related information also can provide via mobile communications network, and in this case, broadcast related information can be received by mobile communication module 112.Broadcast singal can exist in a variety of manners, such as, it can exist with the form of the electronic service guidebooks (ESG) of the electronic program guides of DMB (DMB) (EPG), digital video broadcast-handheld (DVB-H) etc.Broadcast reception module 111 can by using the broadcast of various types of broadcast system Received signal strength.Especially, broadcast reception module 111 can by using such as multimedia broadcasting-ground (DMB-T), DMB-satellite (DMB-S), digital video broadcasting-hand-held (DVB-H), forward link media (MediaFLO
) the digit broadcasting system receiving digital broadcast of Radio Data System, received terrestrial digital broadcasting integrated service (ISDB-T) etc.Broadcast reception module 111 can be constructed to be applicable to providing the various broadcast system of broadcast singal and above-mentioned digit broadcasting system.The broadcast singal received via broadcast reception module 111 and/or broadcast related information can be stored in memory 160 (or storage medium of other type).
Radio signal is sent at least one in base station (such as, access point, Node B etc.), exterior terminal and server and/or receives radio signals from it by mobile communication module 112.Various types of data that such radio signal can comprise voice call signal, video calling signal or send according to text and/or Multimedia Message and/or receive.
Wireless Internet module 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.This module can be inner or be externally couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by this module can comprise WLAN (WLAN) (Wi-Fi), Wibro (WiMAX), Wimax (worldwide interoperability for microwave access), HSDPA (high-speed downlink packet access) etc.
Short range communication module 114 is the modules for supporting junction service.Some examples of short-range communication technology comprise bluetooth
tM, radio-frequency (RF) identification (RFID), Infrared Data Association (IrDA), ultra broadband (UWB), purple honeybee
tMetc..
Positional information module 115 is the modules of positional information for checking or obtain mobile terminal.The typical case of positional information module is GPS (global positioning system).According to current technology, GPS module 115 calculates from the range information of three or more satellite and correct time information and for the Information application triangulation calculated, thus calculates three-dimensional current location information according to longitude, latitude and pin-point accuracy.Current, the method for calculating location and temporal information uses three satellites and by the error of the position that uses an other satellite correction calculation to go out and temporal information.In addition, GPS module 115 can carry out computational speed information by Continuous plus current location information in real time.
A/V input unit 120 is for audio reception or vision signal.A/V input unit 120 can comprise camera 121 and microphone 1220, and the view data of camera 121 to the static images obtained by image capture apparatus in Video Capture pattern or image capture mode or video processes.Picture frame after process may be displayed on display unit 151.Picture frame after camera 121 processes can be stored in memory 160 (or other storage medium) or via wireless communication unit 110 and send, and can provide two or more cameras 1210 according to the structure of mobile terminal.Such acoustic processing can via microphones sound (voice data) in telephone calling model, logging mode, speech recognition mode etc. operational mode, and can be voice data by microphone 122.Audio frequency (voice) data after process can be converted to the formatted output that can be sent to mobile communication base station via mobile communication module 112 when telephone calling model.Microphone 122 can be implemented various types of noise and eliminate (or suppress) algorithm and receiving and sending to eliminate (or suppression) noise or interference that produce in the process of audio signal.
User input unit 130 can generate key input data to control the various operations of mobile terminal according to the order of user's input.User input unit 130 allows user to input various types of information, and keyboard, the young sheet of pot, touch pad (such as, detecting the touch-sensitive assembly of the change of the resistance, pressure, electric capacity etc. that cause owing to being touched), roller, rocking bar etc. can be comprised.Especially, when touch pad is superimposed upon on display unit 151 as a layer, touch-screen can be formed.
Sensing cell 140 detects the current state of mobile terminal 100, (such as, mobile terminal 100 open or close state), the position of mobile terminal 100, user for mobile terminal 100 contact (namely, touch input) presence or absence, the orientation of mobile terminal 100, the acceleration or deceleration of mobile terminal 100 move and direction etc., and generate order or the signal of the operation for controlling mobile terminal 100.Such as, when mobile terminal 100 is embodied as sliding-type mobile phone, sensing cell 140 can sense this sliding-type phone and open or close.In addition, whether whether sensing cell 140 can detect power subsystem 190 provides electric power or interface unit 170 to couple with external device (ED).Sensing cell 140 can comprise proximity transducer 1410 and will be described this in conjunction with touch-screen below.
Interface unit 170 is used as at least one external device (ED) and is connected the interface that can pass through with mobile terminal 100.Such as, external device (ED) can comprise wired or wireless head-band earphone port, external power source (or battery charger) port, wired or wireless FPDP, memory card port, for connecting the port, audio frequency I/O (I/O) port, video i/o port, ear port etc. of the device with identification module.Identification module can be that storage uses the various information of mobile terminal 100 for authentication of users and can comprise subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) etc.In addition, the device (hereinafter referred to " recognition device ") with identification module can take the form of smart card, and therefore, recognition device can be connected with mobile terminal 100 via port or other jockey.Interface unit 170 may be used for receive from external device (ED) input (such as, data message, electric power etc.) and the input received be transferred to the one or more element in mobile terminal 100 or may be used for transmitting data between mobile terminal and external device (ED).
In addition, when mobile terminal 100 is connected with external base, interface unit 170 can be used as to allow by it electric power to be provided to the path of mobile terminal 100 from base or can be used as the path that allows to be transferred to mobile terminal by it from the various command signals of base input.The various command signal inputted from base or electric power can be used as and identify whether mobile terminal is arranged on the signal base exactly.Output unit 150 is constructed to provide output signal (such as, audio signal, vision signal, alarm signal, vibration signal etc.) with vision, audio frequency and/or tactile manner.Output unit 150 can comprise display unit 151, dio Output Modules 152, alarm unit 153 etc.
Display unit 151 may be displayed on the information of process in mobile terminal 100.Such as, when mobile terminal 100 is in telephone calling model, display unit 151 can show with call or other communicate (such as, text messaging, multimedia file are downloaded etc.) be correlated with user interface (UI) or graphic user interface (GUI).When mobile terminal 100 is in video calling pattern or image capture mode, display unit 151 can the image of display capture and/or the image of reception, UI or GUI that video or image and correlation function are shown etc.
Meanwhile, when display unit 151 and touch pad as a layer superposed on one another to form touch-screen time, display unit 151 can be used as input unit and output device.Display unit 151 can comprise at least one in liquid crystal display (LCD), thin-film transistor LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc.Some in these displays can be constructed to transparence and watch from outside to allow user, and this can be called transparent display, and typical transparent display can be such as TOLED (transparent organic light emitting diode) display etc.According to the specific execution mode wanted, mobile terminal 100 can comprise two or more display units (or other display unit), such as, mobile terminal can comprise outernal display unit (not shown) and inner display unit (not shown).Touch-screen can be used for detecting touch input pressure and touch input position and touch and inputs area.
When dio Output Modules 152 can be under the isotypes such as call signal receiving mode, call mode, logging mode, speech recognition mode, broadcast reception mode at mobile terminal, voice data convert audio signals that is that wireless communication unit 110 is received or that store in memory 160 and exporting as sound.And dio Output Modules 152 can provide the audio frequency relevant to the specific function that mobile terminal 100 performs to export (such as, call signal receives sound, message sink sound etc.).Dio Output Modules 152 can comprise loud speaker, buzzer etc.
Alarm unit 153 can provide and export that event informed to mobile terminal 100.Typical event can comprise calling reception, message sink, key signals input, touch input etc.Except audio or video exports, alarm unit 153 can provide in a different manner and export with the generation of notification event.Such as, alarm unit 153 can provide output with the form of vibration, when receive calling, message or some other enter communication (incomingcommunication) time, alarm unit 153 can provide sense of touch to export (that is, vibrating) to notify to user.By providing such sense of touch to export, even if when the mobile phone of user is in the pocket of user, user also can identify the generation of various event.Alarm unit 153 also can provide the output of the generation of notification event via display unit 151 or dio Output Modules 152.
Memory 160 software program that can store process and the control operation performed by controller 180 etc., or temporarily can store oneself through exporting the data (such as, telephone directory, message, still image, video etc.) that maybe will export.And, memory 160 can store about when touch be applied to touch-screen time the vibration of various modes that exports and the data of audio signal.
Memory 160 can comprise the storage medium of at least one type, described storage medium comprises flash memory, hard disk, multimedia card, card-type memory (such as, SD or DX memory etc.), random access storage device (RAM), static random-access memory (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 the memory function of execute store 160 network storage device with by network cooperates.
Controller 180 controls the overall operation of mobile terminal usually.Such as, controller 180 performs the control relevant to voice call, data communication, video calling etc. and process.In addition, controller 180 can comprise the multi-media module 1810 for reproducing (or playback) multi-medium data, and multi-media module 1810 can be configured in controller 180, or can be configured to be separated with controller 180.Controller 180 can pattern recognition process, is identified as character or image so that input is drawn in the handwriting input performed on the touchscreen or picture.
Power subsystem 190 receives external power or internal power and provides each element of operation and the suitable electric power needed for assembly under the control of controller 180.
Various execution mode described herein can to use such as computer software, the computer-readable medium of hardware or its any combination implements.For hardware implementation, execution mode described herein can by using application-specific IC (ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), processor, controller, microcontroller, microprocessor, being designed at least one performed in the electronic unit of function described herein and implementing, in some cases, such execution mode can be implemented in controller 180.For implement software, the execution mode of such as process or function can be implemented with allowing the independent software module performing at least one function or operation.Software code can be implemented by the software application (or program) write with any suitable programming language, and software code can be stored in memory 160 and to be performed by controller 180.
So far, oneself is through the mobile terminal according to its functional description.Below, for the sake of brevity, by the slide type mobile terminal that describes in various types of mobile terminals of such as folded form, board-type, oscillating-type, slide type mobile terminal etc. exemplarily.Therefore, the present invention can be applied to the mobile terminal of any type, and is not limited to slide type mobile terminal.
Mobile terminal 100 as shown in Figure 1 can be constructed to utilize and send the such as wired and wireless communication system of data via frame or grouping and satellite-based communication system operates.
Now according to describing the electrical structure with the mobile terminal of shoot function with reference to figure 2.
Phtographic lens 2211 is made up of the multiple optical lens for the formation of shot object image, is single-focus lens or zoom lens.Phtographic lens 2211 can move in the direction of the optical axis under the control of lens driver 2221, lens driver 2221 is according to the control signal from lens driving control circuit 2222, control the focal position of phtographic lens 2211, when zoom lens, also can control focal length.Lens driving control circuit 2222 carries out the drived control of lens driver 2221 according to the control command from microcomputer 2217.
Imaging apparatus 2212 is configured with near the position of the shot object image formed on the optical axis of phtographic lens 2211, by phtographic lens 2211.Imaging apparatus 2212 is for making a video recording to shot object image and obtaining image data.On imaging apparatus 2212 two dimension and be arranged in a matrix the photodiode forming each pixel.Each photodiode produces the opto-electronic conversion electric current corresponding with light income, and this opto-electronic conversion electric current carries out charge accumulation by the capacitor be connected with each photodiode.The front surface of each pixel is configured with the RGB colour filter of Bayer arrangement.
Imaging apparatus 2212 is connected with imaging circuit 2213, this imaging circuit 2213 carries out charge accumulation and controls and picture signal reading control in imaging apparatus 2212, to the picture signal (analog picture signal) of this reading reduce reset noise after carry out waveform shaping, and then carry out gain raising etc. to become suitable signal level.Imaging circuit 2213 is connected with A/D converter 2214, and this A/D converter 2214 pairs of analog picture signals carry out analog-to-digital conversion, to bus 2227 output digital image signal (hereinafter referred to as view data).
Bus 2227 is the transfer paths of the various data that the inside for being transmitted in camera reads or generates.Above-mentioned A/D converter 2214 is connected in bus 2227, be connected to image processor 2215, jpeg processor 2216, microcomputer 2217, SDRAM (SynchronousDynamicrandomaccessmemory in addition, SDRAM) 2218, memory interface (hereinafter referred to as memory I/F) 2219, LCD (LiquidCrystalDisplay, liquid crystal display) driver 2220.
Image processor 2215 carries out OB to the view data of the output based on imaging apparatus 2212 and subtracts each other process, blank level adjustment, color matrix computing, gamma conversion, color difference signal process, noise removal process, changes the various image procossing such as process, edge treated simultaneously.Jpeg processor 2216 by Imagery Data Recording in recording medium 2225 time, according to JPEG compress mode compression from SDRAM2218 read view data.In addition, jpeg processor 2216 carries out the decompression of jpeg image data in order to carry out image reproducing display.When decompressing, read the file that is recorded in recording medium 2225, implement decompression in jpeg processor 2216 after, the view data of decompression to be temporarily stored in SDRAM2218 and to show on LCD2226.H.264 in addition, in the present embodiment, what adopt as image compression decompression mode is JPEG mode, but compressed and decompressed mode is not limited thereto, and certainly can adopt MPEG, TIFF, other the compressed and decompressed mode such as.
Microcomputer 2217 plays the function of the control part as this camera entirety, the unified various process sequences controlling camera.Microcomputer 2217 is connected to operating unit 2223 and flash memory 2224.Operating unit 2223 includes but not limited to physical button or virtual key, this entity or virtual key can be the operational controls such as various load button and various enter keies such as power knob, key of taking pictures, edit key, dynamic image button, reproduction button, menu button, cross key, OK button, delete button, large buttons, detect the mode of operation of these operational controls.
Testing result is exported to microcomputer 2217.In addition, be provided with touch panel at the front surface of the LCD2226 as display, detect the touch location of user, this touch location is exported to microcomputer 2217.Microcomputer 2217, according to the testing result of the operating position from operating unit 2223, performs the various process sequences corresponding with the operation of user.
Flash memory 2224 stores the program of the various process sequences for performing microcomputer 2217.Microcomputer 2217 carries out the control of camera entirety according to this program.In addition, flash memory 2224 stores the various adjusted values of camera, and microcomputer 2217 reads adjusted value, carries out the control of camera according to this adjusted value.SDRAM2218 is can the electricity volatile memory of rewriting for what carry out view data etc. temporarily storing.This SDRAM2218 temporarily stores the view data that exports from A/D converter 2214 and image processor 2215, jpeg processor 2216 etc., to have carried out the view data after processing.
Memory interface 2219 is connected with recording medium 2225, carries out the control by view data and the first-class data writing recording medium 2225 of file be attached in view data and reading from recording medium 2225.Recording medium 2225 be such as can on camera main-body the recording medium such as memory card of disassembled and assembled freely, but being not limited thereto, also can be the hard disk etc. be built in camera main-body.
Lcd driver 2210 is connected with LCD2226, view data after being processed by image processor 2215 is stored in SDRAM2218, when needing display, read the view data that SDRAM2218 stores also to show on LCD2226, or the compressed view data of jpeg processor 2216 is stored in SDRAM2218, when needs show, jpeg processor 2216 reads the compressed view data of SDRAM2218, then decompresses, and the view data after decompressing is shown by LCD2226.
Image display is carried out at the back side that LCD1226 is configured in camera main-body.This LCD2226LCD, but be not limited thereto, also can adopt the various display floaters (LCD2226) such as organic EL, but be not limited thereto, also can adopt the various display floaters such as organic EL.
Based on above-mentioned mobile terminal hardware configuration and electrical structure block diagram, each embodiment of the inventive method is proposed.
As shown in Figure 3, propose a kind of mobile terminal camera system in the first embodiment of the present invention, comprising:
Camera 310, control module 320, Focusing module 330.In the present embodiment, camera 310 is responsible for gathering image, has simultaneously and takes orders, adjust the function of self focal length, and it is responsible for receiving the order from control module, and adjusting focal length is to the position required.
The photographed scene of Focusing module 330 pairs of camera 310 correspondences is analyzed, and obtains the focus information for taking photographed scene.In the present embodiment, the way of realization of Focusing module 330 is not limited, following scheme is provided in the present embodiment:
1) Focusing module 330 is mounted in a small-sized image pickup head in mobile terminal, and it is focused successfully and information is sent to camera 310.
2) in Focusing module 330 can be distance measuring equipment in mobile terminal, it is by launching invisible light to photographed scene and receiving the invisible light reflected in scene, the distance in scene between object and mobile terminal is determined according to the time difference of launching and receiving invisible light, can determine to be suitable for the focus information to its shooting according to this distance, adopt the mobile terminal of this Focusing module 330 can be as shown in Figure 3A.In the present embodiment, Focusing module accepts the control of control module, performs focus operation and will focus result feedback to control module, and after Focusing module starts, the signal of wait-receiving mode control module performs focusing.
Based on 1) and 2), the mobile terminal camera system of the present embodiment is the system being applied to single mobile terminal.
3) Focusing module 330 is the external equipments of the mobile terminal outside being positioned at camera 310 place, is wirelessly connected between its with mobile terminal.Such as, it can be wearable device, and this wearable device inside has equally as 2) in the focus function based on distance measuring equipment.Then by the technical scheme of the present embodiment, do not need to carry out structural transformation to mobile terminal, can realizing the stabilization in taking and avoid postponing, specifically as shown in Figure 3 B, is wrist-wearing type wearable device in figure.Based on 3), the mobile terminal camera system of the present embodiment is the system being applied to mobile terminal and external equipment.
4) Focusing module 340 is mobile terminals, wireless connections between itself and the mobile terminal at camera 310 place.Such as, when two users carry out shooting Same Scene, after user's hand-held mobile terminal has been focused, focus information can be sent to the mobile terminal of another user, then another user can complete shooting rapidly, and the float avoided in shooting process and delay, specifically as shown in Figure 3 C.Based on 4), the mobile terminal camera system of the present embodiment is the system being applied to multiple stage mobile terminal.
Control module 320 obtains focus information from Focusing module 330, and sends to camera 310.In the present embodiment, control module 320 can be processor, can be included in the software and hardware on processor basis further.In the present embodiment, control module performs focusing for controlling Focusing module, and receives the focus information of Focusing module feedback.Relevant focus information is passed through process simultaneously, pass to camera in an appropriate form, make camera adjust to correct focusing position.
Camera 310 is focused by focus information, to take photographed scene.According to the technical scheme of the present embodiment, eliminate delay and jitter during photographic images, only to need after scene changes by Focussing to making picture degree clearly, this needs two conditions: 1, do not want camera oneself and go to focus; 2, know the correct focal length of photographed scene, so utilize Focusing module to measure the focal length of photographed scene in the present embodiment, and this focal length is told to camera, allow the focus process of camera finishing smooth.
Propose a kind of mobile terminal camera system in the second embodiment of the present invention, comprising:
Camera 310, control module 320, Focusing module 330.
Control module 320 also obtains the focusing position of camera 310 from camera 310, and sends to Focusing module 330.
Focusing module 330 chooses relevant position according to focusing position from photographed scene, analyzes the focus information being used for taking relevant position in photographed scene.In the present embodiment, such as camera is set to center-spot, after so control module obtains this positional information, needs to provide it to Focusing module, make Focusing module also find corresponding position to focus, then the focus information obtained more is applicable to camera and uses.
Control module 320 obtains focus information from Focusing module 330, and sends to camera 310.
Camera 310 is focused by focus information, to take photographed scene.
On the basis of the present embodiment, also provide the scheme two kinds of users being controlled to focusing:
Control module 320 sends single focusing signal to Focusing module 330 when receiving the single focusing instruction that user sends; Focusing module 330 often receives a single focusing signal, once analyzes obtain focus information to photographed scene.In the present embodiment, form user being sent to single focusing instruction does not limit, and such as, user can trigger single focusing instruction by touch screen.
When control module 320 receives continuous focusing instruction that user sends or stops focusing instruction, continuous focusing signal sent to Focusing module 330 or stop focusing signal; When Focusing module 330 receives continuous focusing signal, continual analysis is carried out to obtain focus information continuously to photographed scene, and when Focusing module 330 receives stopping focusing signal, stop analysing photographed scene obtaining focus information.In the present embodiment, send continuous focusing instruction and stop the form of focusing instruction not limit to user, such as, user can trigger continuous focusing instruction by touch screen or stop focusing instruction; After Focusing module receives continuous focusing signal, focus information can be gathered by certain time interval, also judge whether calculated focus information is suitable for taking current scene by its built-in element: built-in element can be minisize pick-up head, in real time gather image by focus information and judge whether clear, unintelligible, again focusing; Built-in element can be attitude transducer, and when detecting that the change of terminal attitude causes photographed scene to change by attitude transducer, photographed scene change is then focused again.
The technical scheme of the present embodiment supports two kinds of focusing modes: single focusing and repeatedly continuous focusing.Whether successfully when performing single focusing order, Focusing module suspends after performing a focus operation, and time focusing completion status ought feed back to control module, comprising focusing information, if successfully also can return focus information to control module.After receiving continuous focusing order, Focusing module can circulate and perform the flow process of single focusing, until receive the order of stopping.According to two kinds of working methods of Focusing module, control module also has two kinds of operating states.Under continuous focusing pattern, after control module starts Focusing module continuous focusing, continuous reception Focusing module feedack, if success status, so it can be set to camera the focal length value of correspondence, and circulation performs, until user selects to terminate.Under single focal modes, first control module can focus the need of startup in decision-making, if need to perform focusing, then starts Focusing module and performs focusing.If focus unsuccessfully, then again start focusing, until focus successfully, return correct focus data.And then adjust camera focal length.
As shown in Figure 4, propose a kind of mobile terminal camera system in the third embodiment of the present invention, comprising:
Camera 410, control module 420, Focusing module 430, attitude transducer 440.
Attitude transducer 440 detects the attitude information of mobile terminal.In the technical scheme of the present embodiment, attitude transducer 440 comprises acceleration transducer, gyroscope etc., and whether sense terminals moves.
Control module 420 obtains attitude information from attitude transducer 440, and judges whether the attitude of mobile terminal changes and cause the photographed scene of camera 410 correspondence to change, and sends focusing signal when judged result is for being to Focusing module 430.In the technical scheme of the present embodiment, terminal changes and easily causes the shooting scene faced by camera to change, and is necessary to recalculate the focus information for current shooting scene when scene of making a video recording changes.According to the technical scheme of the present embodiment, only calculate focus information when scene changes, avoid too much calculating focus information and cause power consumption to increase, also can ensure to keep photographic picture quality when scene changes higher simultaneously.
Focusing module 430 often receives signal of once focusing, and once analyzes obtain focus information to photographed scene.
Control module 420 obtains focus information from Focusing module 430, and sends to camera 410.
Camera 410 is focused by focus information, to take photographed scene.
As shown in Figure 5, propose a kind of mobile terminal image pickup method in the fourth embodiment of the present invention, mobile terminal comprises: camera, control module, Focusing module.
The method of the present embodiment comprises:
Step 510, the photographed scene that Focusing module is corresponding to camera is analyzed, and obtains the focus information for taking photographed scene.In the present embodiment, camera is responsible for gathering image, has simultaneously and takes orders, adjust the function of self focal length, and it is responsible for receiving the order from control module, and adjusting focal length is to the position required.In the present embodiment, the way of realization of Focusing module is not limited, following scheme is provided in the present embodiment:
1) Focusing module is mounted in a small-sized image pickup head in mobile terminal, and it is focused successfully and information is sent to camera.
2) in Focusing module can be distance measuring equipment in mobile terminal, it is by launching invisible light to photographed scene and receiving the invisible light reflected in scene, the distance in scene between object and mobile terminal is determined according to the time difference of launching and receiving invisible light, can determine to be suitable for the focus information to its shooting according to this distance, adopt the mobile terminal of this Focusing module can be as shown in Figure 3A.In the present embodiment, Focusing module accepts the control of control module, performs focus operation and will focus result feedback to control module, and after Focusing module starts, the signal of wait-receiving mode control module performs focusing.
Based on 1) and 2), the mobile terminal camera system of the present embodiment is the system being applied to single mobile terminal.
3) Focusing module is the external equipment of the mobile terminal outside being positioned at camera place, is wirelessly connected between its with mobile terminal.Such as, it can be wearable device, and this wearable device inside has equally as 2) in the focus function based on distance measuring equipment.Then by the technical scheme of the present embodiment, do not need to carry out structural transformation to mobile terminal, can realizing the stabilization in taking and avoid postponing, specifically as shown in Figure 3 B, is wrist-wearing type wearable device in figure.Based on 3), the mobile terminal camera system of the present embodiment is the system being applied to mobile terminal and external equipment.
4) Focusing module is a mobile terminal, wireless connections between itself and the mobile terminal at camera place.Such as, when two users carry out shooting Same Scene, after user's hand-held mobile terminal has been focused, focus information can be sent to the mobile terminal of another user, then another user can complete shooting rapidly, and the float avoided in shooting process and delay, specifically as shown in Figure 3 C.Based on 4), the mobile terminal camera system of the present embodiment is the system being applied to multiple stage mobile terminal.
Step 520, control module obtains focus information from Focusing module, and sends to camera.In the present embodiment, control module can be processor, can be included in the software and hardware on processor basis further.In the present embodiment, control module performs focusing for controlling Focusing module, and receives the focus information of Focusing module feedback.Relevant focus information is passed through process simultaneously, pass to camera in an appropriate form, make camera adjust to correct focusing position.
Step 530, camera is focused by focus information, to take photographed scene.According to the technical scheme of the present embodiment, eliminate delay and jitter during photographic images, only to need after scene changes by Focussing to making picture degree clearly, this needs two conditions: 1, do not want camera oneself and go to focus; 2, know the correct focal length of photographed scene, so utilize Focusing module to measure the focal length of photographed scene in the present embodiment, and this focal length is told to camera, allow the focus process of camera finishing smooth.
As shown in Figure 6, propose a kind of mobile terminal image pickup method in the fifth embodiment of the present invention, mobile terminal comprises: camera, control module, Focusing module.The method of the present embodiment comprises:
Step 610, control module also obtains the focusing position of camera from camera, and sends to Focusing module.
Step 620, Focusing module chooses relevant position according to focusing position from photographed scene, analyzes the focus information being used for taking relevant position in photographed scene.In the present embodiment, such as camera is set to center-spot, after so control module obtains this positional information, needs to provide it to Focusing module, make Focusing module also find corresponding position to focus, then the focus information obtained more is applicable to camera and uses.
Step 630, control module obtains focus information from Focusing module, and sends to camera.
Step 640, camera is focused by focus information, to take photographed scene.
On the basis of the present embodiment, also provide the scheme two kinds of users being controlled to focusing:
During the single focusing instruction that control module reception user sends, single focusing signal is sent to Focusing module; Focusing module often receives a single focusing signal, once analyzes obtain focus information to photographed scene.In the present embodiment, form user being sent to single focusing instruction does not limit, and such as, user can trigger single focusing instruction by touch screen.
When the continuous focusing instruction that control module reception user sends or stopping focusing instruction, continuous focusing signal sent to Focusing module or stop focusing signal; When Focusing module receives continuous focusing signal, continual analysis is carried out to obtain focus information continuously to photographed scene, and when Focusing module receives stopping focusing signal, stop analysing photographed scene obtaining focus information.In the present embodiment, send continuous focusing instruction and stop the form of focusing instruction not limit to user, such as, user can trigger continuous focusing instruction by touch screen or stop focusing instruction; After Focusing module receives continuous focusing signal, focus information can be gathered by certain time interval, also judge whether calculated focus information is suitable for taking current scene by its built-in element: built-in element can be minisize pick-up head, in real time gather image by focus information and judge whether clear, unintelligible, again focusing; Built-in element can be attitude transducer, and when detecting that the change of terminal attitude causes photographed scene to change by attitude transducer, photographed scene change is then focused again.
The technical scheme of the present embodiment supports two kinds of focusing modes: single focusing and repeatedly continuous focusing.Whether successfully when performing single focusing order, Focusing module suspends after performing a focus operation, and time focusing completion status ought feed back to control module, comprising focusing information, if successfully also can return focus information to control module.After receiving continuous focusing order, Focusing module can circulate and perform the flow process of single focusing, until receive the order of stopping.According to two kinds of working methods of Focusing module, control module also has two kinds of operating states.Under continuous focusing pattern, after control module starts Focusing module continuous focusing, continuous reception Focusing module feedack, if success status, so it can be set to camera the focal length value of correspondence, and circulation performs, until user selects to terminate.Under single focal modes, first control module can focus the need of startup in decision-making, if need to perform focusing, then starts Focusing module and performs focusing.If focus unsuccessfully, then again start focusing, until focus successfully, return correct focus data.And then adjust camera focal length.
As shown in Figure 7, propose a kind of mobile terminal image pickup method in the sixth embodiment of the present invention, mobile terminal comprises: camera, control module, Focusing module, attitude transducer.The method of the present embodiment comprises:
Step 710, attitude transducer detects the attitude information of mobile terminal.In the technical scheme of the present embodiment, attitude transducer comprises acceleration transducer, gyroscope etc., and whether sense terminals moves.
Step 720, control module obtains attitude information from attitude transducer, and judges that whether the attitude of mobile terminal changes the photographed scene change causing camera corresponding, and sends focusing signal when judged result is for being to Focusing module.In the technical scheme of the present embodiment, terminal changes and easily causes the shooting scene faced by camera to change, and is necessary to recalculate the focus information for current shooting scene when scene of making a video recording changes.According to the technical scheme of the present embodiment, only calculate focus information when scene changes, avoid too much calculating focus information and cause power consumption to increase, also can ensure to keep photographic picture quality when scene changes higher simultaneously.
Step 730, Focusing module often receives signal of once focusing, and once analyzes obtain focus information to photographed scene.
Step 740, control module obtains focus information from Focusing module, and sends to camera.
Step 750, camera is focused by focus information, to take photographed scene.
It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or device and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or device.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the device comprising this key element and also there is 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 can be well understood to the mode that above-described embodiment method can add required general hardware platform by software and realize, hardware can certainly be passed through, but in a lot of situation, the former is better execution mode.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium (as ROM/RAM, magnetic disc, CD), comprising some instructions in order to make a station terminal equipment (can be mobile phone, computer, server, air conditioner, or the network equipment etc.) perform method described in each embodiment of the present invention.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a mobile terminal camera system, is characterized in that, comprising:
Camera, control module, Focusing module;
The photographed scene that described Focusing module is corresponding to described camera is analyzed, and obtains the focus information for taking described photographed scene;
Described control module obtains described focus information from described Focusing module, and sends to described camera;
Described camera is focused by described focus information, to take described photographed scene.
2. mobile terminal camera system according to claim 1, is characterized in that,
Described control module also obtains the focusing position of described camera from described camera, and sends to described Focusing module;
Described Focusing module chooses relevant position according to described focusing position from described photographed scene, analyzes the described focus information being used for taking relevant position in described photographed scene.
3. mobile terminal camera system according to claim 1, is characterized in that, described mobile terminal camera system also comprises: attitude transducer;
Described attitude transducer detects the attitude information of described mobile terminal;
Described control module obtains described attitude information from described attitude transducer, and judge whether the attitude of described mobile terminal changes the described photographed scene change causing described camera corresponding, and send focusing signal when judged result is for being to described Focusing module;
Described Focusing module often receives once described focusing signal, once analyzes obtain described focus information to described photographed scene.
4. mobile terminal camera system according to any one of claim 1 to 3, is characterized in that,
During the single focusing instruction that described control module reception user sends, single focusing signal is sent to described Focusing module;
Described Focusing module often receives once described single focusing signal, once analyzes obtain described focus information to described photographed scene.
5. mobile terminal camera system according to any one of claim 1 to 3, is characterized in that,
When the continuous focusing instruction that described control module reception user sends or stopping focusing instruction, continuous focusing signal sent to described Focusing module or stop focusing signal;
When described Focusing module receives described continuous focusing signal, continual analysis is carried out to obtain described focus information continuously to described photographed scene, and described Focusing module receive described stopping focusing signal time, stop analysing described photographed scene obtaining described focus information.
6. a mobile terminal image pickup method, is characterized in that, described mobile terminal comprises camera, control module, Focusing module; Described method comprises:
The photographed scene that described Focusing module is corresponding to described camera is analyzed, and obtains the focus information for taking described photographed scene;
Described control module obtains described focus information from described Focusing module, and sends to described camera;
Described camera is focused by described focus information, to take described photographed scene.
7. mobile terminal image pickup method according to claim 6, is characterized in that, also comprise:
Described control module also obtains the focusing position of described camera from described camera, and sends to described Focusing module;
The photographed scene that described Focusing module is corresponding to described camera is analyzed, and obtains, for the focus information taken described photographed scene, specifically comprising:
Described Focusing module chooses relevant position according to described focusing position from described photographed scene, analyzes the described focus information being used for taking relevant position in described photographed scene.
8. mobile terminal image pickup method according to claim 6, is characterized in that, described mobile terminal also comprises: attitude transducer; Described method also comprises:
Described attitude transducer detects the attitude information of described mobile terminal;
Described control module obtains described attitude information from described attitude transducer, and judge whether the attitude of described mobile terminal changes the described photographed scene change causing described camera corresponding, and send focusing signal when judged result is for being to described Focusing module;
The photographed scene that described Focusing module is corresponding to described camera is analyzed, and obtains, for the focus information taken described photographed scene, specifically comprising:
Described Focusing module often receives once described focusing signal, once analyzes obtain described focus information to described photographed scene.
9. the mobile terminal image pickup method according to any one of claim 6 to 8, is characterized in that, also comprise:
During the single focusing instruction that described control module reception user sends, single focusing signal is sent to described Focusing module;
The photographed scene that described Focusing module is corresponding to described camera is analyzed, and obtains, for the focus information taken described photographed scene, specifically comprising:
Described Focusing module often receives once described single focusing signal, once analyzes obtain described focus information to described photographed scene.
10. the mobile terminal image pickup method according to any one of claim 6 to 8, is characterized in that, also comprise:
When the continuous focusing instruction that described control module reception user sends or stopping focusing instruction, continuous focusing signal sent to described Focusing module or stop focusing signal;
The photographed scene that described Focusing module is corresponding to described camera is analyzed, and obtains, for the focus information taken described photographed scene, specifically comprising:
When described Focusing module receives described continuous focusing signal, continual analysis is carried out to obtain described focus information continuously to described photographed scene, and described Focusing module receive described stopping focusing signal time, stop analysing described photographed scene obtaining described focus information.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510641113.4A CN105163035A (en) | 2015-09-30 | 2015-09-30 | Mobile terminal shooting system and mobile terminal shooting method |
| PCT/CN2016/099866 WO2017054677A1 (en) | 2015-09-30 | 2016-09-23 | Mobile terminal photographing system and mobile terminal photographing method |
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| CN105657281A (en) * | 2016-03-31 | 2016-06-08 | 朱宏静 | Shooting control method, auxiliary flash control device and auxiliary flash control system |
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| CN109063715B (en) * | 2018-09-19 | 2024-04-12 | 上海掌门科技有限公司 | Method and equipment for recording sitting process of user |
| CN116095477B (en) * | 2022-08-16 | 2023-10-20 | 荣耀终端有限公司 | Focusing processing system, method, equipment and storage medium |
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