CN104660913A - Focus length adjusting method and device - Google Patents

Focus length adjusting method and device Download PDF

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Publication number
CN104660913A
CN104660913A CN201510120793.5A CN201510120793A CN104660913A CN 104660913 A CN104660913 A CN 104660913A CN 201510120793 A CN201510120793 A CN 201510120793A CN 104660913 A CN104660913 A CN 104660913A
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China
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described
touch operation
focal length
focus adjustment
direction
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CN201510120793.5A
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Chinese (zh)
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CN104660913B (en
Inventor
车晓东
王朝
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努比亚技术有限公司
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Publication of CN104660913A publication Critical patent/CN104660913A/en
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Abstract

The invention discloses a focus length adjusting method. The focus length adjusting method comprises the following steps: acquiring touch operation received by a preset touch operation region at the side edge of a terminal when a camera application of the terminal enters a focus length adjusting mode; when the touch operation is slide touch operation, determining the adjusting direction and the adjusting distance of the focal length based on the touch operation; and adjusting the focal length of the camera application based on the adjusting direction and the adjusting distance. The invention further discloses a focus length adjusting device. According to the method and the device, the focal length can be adjusted by a user based on a side frame of the terminal, furthermore, an adjusting value of the focal length can be determined according to the sliding distance and the sliding direction, and the adjustment is very convenient and accurate; furthermore, a solid press key does not need to be arranged in the terminal for adjustment, so that the loss of the solid press key is avoided.

Description

Focus adjustment method and apparatus

Technical field

The present invention relates to shooting technology field, particularly relate to a kind of focus adjustment method and apparatus.

Background technology

Along with the development of science and technology, with the mobile phone of shoot function, the mobile terminals such as PAD (panel computer) are widely applied, by installing camera applications in the terminal, to meet the demand that people carry out taking whenever and wherever possible, but in order to the flexibility of taking, often need to regulate parameter such as shooting focal length of taking pictures, traditional focusing mode comprises following two kinds: 1) focused by the volume button of mobile phone side, first button itself has the life-span to limit, this mode shortens push button longevity undoubtedly, secondly, by the mode of button and the degree of bad control zoom, cause Focussing accuracy not high, 2) focused by the mode of actuating button virtual on screen, the virtual actuating button of first this mode can take too much interface of taking pictures, and affects the visual field that user takes pictures, secondly, this mode is easy to cause by mistake touching of user, also can cause the inaccuracy of focusing.

Summary of the invention

Main purpose of the present invention is to propose a kind of focus adjustment method and apparatus, is intended to solve the not accurate enough technical problem of Focussing.

For achieving the above object, the invention provides a kind of focus adjustment method, described focus adjustment method comprises step:

When the camera applications of terminal enters focus adjustment mode, the touch operation that the default touch operation areas accept obtaining terminal side arrives;

When described touch operation is slip touch operation, determine adjustment direction and the adjustable range of described focal length based on described touch operation;

The focal length of described camera applications is regulated based on described adjustment direction and adjustable range.

Preferably, described when described touch operation is slip touch operation, determine that the adjustment direction of described focal length and the step of adjustable range comprise based on described touch operation:

When described touch operation is slip touch operation, obtain glide direction and the sliding distance of described touch operation, and determine the adjustment direction of described focal length based on described glide direction;

The total length in described glide direction based on described sliding distance and described touch operation region, determines the sliding scales of described touch operation;

Total length based on described sliding scales and described camera applications adjustable focal length determines the adjustable range of described focal length.

Preferably, described when described touch operation is slip touch operation, determine that the adjustment direction of described focal length and the step of adjustable range comprise based on described touch operation:

When described touch operation is slip touch operation, obtain the glide direction of described touch operation, and determine the adjustment direction of described focal length based on described glide direction;

Obtain the focus adjustment value preset, determine the adjustable range of described focal length based on the focus adjustment value preset.

Preferably, described when the camera applications of terminal enters focus adjustment mode, the default touch operation areas accept obtaining terminal side to the step of touch operation comprise:

When the camera applications of terminal enters focus adjustment mode, obtain the current laying state of described terminal;

Based on the mapping relations between the laying state preset and touch operation region, determine the touch operation region that described current laying state is corresponding;

Using the touch operation region determined as the touch operation region of presetting.

Preferably, described when the camera applications of terminal enters focus adjustment mode, before the step of the touch operation that the default touch operation areas accept obtaining terminal side arrives, described focus adjustment method comprises step:

The touch operation that the default touch operation areas accept obtaining terminal side arrives, and determine the control command that described touch operation is corresponding;

When described control command is focus adjustment instruction, controls described camera applications and enter described focus adjustment mode.

Preferably, described regulate the step of the focal length of described camera applications based on described adjustment direction and adjustable range after, described focus adjustment method comprises:

The focal length value in the focal length scale strip preset is regulated according to the focus adjustment value of described camera applications.

In addition, for achieving the above object, the present invention also proposes a kind of focal length adjustment device, and described focal length adjustment device comprises:

Acquisition module, user when the camera applications of terminal enters focus adjustment mode, the touch operation that the default touch operation areas accept obtaining terminal side arrives;

Determination module, for when described touch operation is slip touch operation, determines adjustment direction and the adjustable range of described focal length based on described touch operation;

Adjustment module, for regulating the focal length of described camera applications based on described adjustment direction and adjustable range.

Preferably, described determination module comprises:

First acquiring unit, for when described touch operation is slip touch operation, obtains glide direction and the sliding distance of described touch operation, and determines the adjustment direction of described focal length based on described glide direction;

First determining unit, for the total length in described glide direction based on described sliding distance and described touch operation region, determine the sliding scales of described touch operation, and determine the adjustable range of described focal length based on the total length of described sliding scales and described camera applications adjustable focal length.

Preferably, described determination module also for:

When described touch operation is slip touch operation, obtain the glide direction of described touch operation, and determine the adjustment direction of described focal length based on described glide direction;

Obtain the focus adjustment value preset, determine the adjustable range of described focal length based on the focus adjustment value preset.

Preferably, described acquisition module comprises:

Second acquisition unit, for when the camera applications of terminal enters focus adjustment mode, obtains the current laying state of described terminal;

Second determining unit, for based on the mapping relations between the laying state preset and touch operation region, determines the touch operation region that described current laying state is corresponding;

Processing unit, for the touch operation region that will determine as the touch operation region of presetting.

Preferably, described acquisition module, also for touch operation that the default touch operation areas accept obtaining terminal side arrives; Described determination module, also for determining the control command that described touch operation is corresponding; Described focal length adjustment device also comprises processing module, for when described control command is focus adjustment instruction, controls described camera applications and enters described focus adjustment mode.

Preferably, described adjustment module, also for regulating the focal length value in the focal length scale strip preset according to the focus adjustment value of described camera applications.

The focus adjustment method and apparatus that the present invention proposes, when the camera applications of terminal enters focus adjustment mode, the touch operation that the default touch operation areas accept obtaining terminal side arrives, when described touch operation is slip touch operation, adjustment direction and the adjustable range of described focal length is determined based on described touch operation, the focal length of described camera applications is regulated based on described adjustment direction and adjustable range, user can realize the adjustment of focusing based on the side frame of terminal, and the regulated value of focal length can be determined according to sliding distance and glide direction, very convenient and accurately, and need not physical button be set in the terminal regulates, avoid the loss of physical button.

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 radio communication device schematic diagram of mobile terminal as shown in Figure 1;

Fig. 3 is the schematic flow sheet of focus adjustment method first embodiment of the present invention;

Fig. 4 is the refinement schematic flow sheet of step S20 first embodiment in Fig. 1;

Fig. 5 is the refinement schematic flow sheet of step S20 second embodiment in Fig. 1;

Fig. 6 is the refinement schematic flow sheet of step S10 in Fig. 1;

Fig. 7 is the schematic flow sheet of focus adjustment method second embodiment of the present invention;

Fig. 8 is the high-level schematic functional block diagram of focal length adjustment device preferred embodiment of the present invention;

Fig. 9 is the refinement high-level schematic functional block diagram of determination module in Fig. 8;

Figure 10 is the refinement high-level schematic functional block diagram of acquisition module in Fig. 8.

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 radio communication device 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 broadcaster 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 digital broadcast apparatus receiving digital broadcast of data broadcast device, received terrestrial digital broadcasting integrated service (ISDB-T) etc.Broadcast reception module 111 can be constructed to be applicable to providing the various broadcaster of broadcast singal and above-mentioned digital broadcast apparatus.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 pick device).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 122, 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 121 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 of mobile terminal 100 or speed is moved 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 (incoming communication) 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, 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 radio communication device of data via frame or grouping and satellite-based communicator operates.

Describe wherein according to the communicator that mobile terminal of the present invention can operate referring now to Fig. 2.

Such communicator can use different air interfaces and/or physical layer.Such as, the air interface used by communicator comprises such as frequency division multiple access (FDMA), time division multiple access (TDMA), code division multiple access (CDMA) and universal mobile communications device (UMTS) (especially, Long Term Evolution (LTE)), global mobile communication device (GSM) etc.As non-limiting example, description below relates to cdma communication device, but such instruction is equally applicable to the device of other type.

With reference to figure 2, cdma wireless communication device can comprise multiple mobile terminal 100, multiple base station (BS) 270, base station controller (BSC) 275 and mobile switching centre (MSC) 280.MSC280 is constructed to form interface with Public Switched Telephony Network (PSTN) 290.MSC280 is also constructed to form interface with the BSC275 that can be couple to base station 270 via back haul link.Back haul link can construct according to any one in some interfaces that oneself knows, interface comprises such as E1/T1, ATM, IP, PPP, frame relay, HDSL, ADSL or xDSL.Will be appreciated that device as shown in Figure 2 can comprise multiple BSC2750.

Each BS270 can serve one or more subregion (or region), by multidirectional antenna or point to specific direction each subregion of antenna cover radially away from BS270.Or each subregion can by two or more antenna covers for diversity reception.Each BS270 can be constructed to support multiple parallel compensate, and each parallel compensate has specific frequency spectrum (such as, 1.25MHz, 5MHz etc.).

Subregion can be called as CDMA Channel with intersecting of parallel compensate.BS270 also can be called as the sub-device of base station transceiver (BTS) or other equivalent terms.Under these circumstances, term " base station " may be used for broadly representing single BSC275 and at least one BS270.Base station also can be called as " cellular station ".Or each subregion of particular B S270 can be called as multiple cellular station.

As shown in Figure 2, broadcast singal is sent to the mobile terminal 100 operated in device by broadcsting transmitter (BT) 295.Broadcast reception module 111 as shown in Figure 1 is arranged on mobile terminal 100 and sentences the broadcast singal receiving and sent by BT295.In fig. 2, several global pick device (GPS) satellite 300 is shown.Satellite 300 helps at least one in the multiple mobile terminal 100 in location.

In fig. 2, depict multiple satellite 300, but understand, the satellite of any number can be utilized to obtain useful locating information.GPS module 115 as shown in Figure 1 is constructed to coordinate to obtain the locating information wanted with satellite 300 usually.Substitute GPS tracking technique or outside GPS tracking technique, can use can other technology of position of tracking mobile terminal.In addition, at least one gps satellite 300 optionally or extraly can process satellite dmb transmission.

As a typical operation of radio communication device, BS270 receives the reverse link signal from various mobile terminal 100.Mobile terminal 100 participates in call usually, information receiving and transmitting communicates with other type.Each reverse link signal that certain base station 270 receives is processed by particular B S270.The data obtained are forwarded to relevant BSC275.BSC provides call Resourse Distribute and comprises the mobile management function of coordination of the soft switching process between BS270.The data received also are routed to MSC280 by BSC275, and it is provided for the extra route service forming interface with PSTN290.Similarly, PSTN290 and MSC280 forms interface, and MSC and BSC275 forms interface, and BSC275 correspondingly control BS270 so that forward link signals is sent to mobile terminal 100.

Based on above-mentioned mobile terminal hardware configuration and communicator, each embodiment of focus adjustment method of the present invention is proposed.

As shown in Figure 3, Fig. 3 is the schematic flow sheet of focus adjustment method of the present invention preferred embodiment.

The present embodiment proposes a kind of focus adjustment method, and focus adjustment method comprises step:

Step S10, when the camera applications of terminal enters focus adjustment mode, the touch operation that the default touch operation areas accept obtaining terminal side arrives;

In the present embodiment, terminal side can be the frame that the material such as metal or plastics is formed, and arranges the touch operation that touch area is used for receiving user in side; Or terminal is Rimless terminal, and whole terminal is all made up of glass screen, there is not physical button, and full side is all tangible, all operations are all undertaken by touching.The touch operation of user's input can be point touching operation and slip touch operation, the mapping relations between predeterminable touch operation and control command, such as different touch sliding trace directions and the control command different apart from correspondence.User can arrange touch operation corresponding to different control commands as required, also can after the setup, and the touch operation corresponding to each control command is modified.

In the present embodiment, user enters focus adjustment mode by various ways, such as: 1) enter focus adjustment mode by the control in camera applications; 2) the touch operation region by terminal side realizes, and namely comprises before step S10: the touch operation that the default touch operation areas accept obtaining terminal side arrives, and determines the control command that touch operation is corresponding; When control command is focus adjustment instruction, controls camera applications and enter focus adjustment mode.3) control camera applications by voice and gesture etc. and enter focus adjustment mode.The triggering mode of the focus adjustment mode enumerated is above only exemplary; those skilled in the art utilize technological thought of the present invention; the triggering mode of other focus adjustment mode proposed according to its real needs, all in protection scope of the present invention, does not carry out exhaustive one by one at this.

Triggering mode due to control command is touch operation, then easily there is the situation of user's false triggering, comprise for avoiding user's false triggering step S10: the touch operation that the touch operation areas accept obtaining terminal side arrives, and determine the slip parameter corresponding to touch operation that receives; When slip parameter is more than or equal to predetermined threshold value, confirm to receive touch operation.Be understandable that, when slip parameter is less than predetermined threshold value, ignore this touch operation.This slip parameter can comprise sliding distance, sliding speed and/or sliding pressure, when user's false triggering, sliding distance is general less, sliding speed is generally comparatively slow and sliding pressure is general less, therefore when slip parameter is greater than predetermined threshold value, think that current touch control operation is not false triggering.

Step S20, when touch operation is slip touch operation, based on adjustment direction and the adjustable range of touch operation determination focal length;

In the present embodiment, obtain adjustment direction and the adjustable range of focal length by various ways, specific implementation comprises:

1) mode one, with reference to Fig. 4, step S20 comprises:

Step S21, when touch operation is slip touch operation, obtains the glide direction of touch operation and sliding distance, and based on the adjustment direction of glide direction determination focal length;

At the present embodiment, predeterminable positive direction and negative direction, such as predeterminable reference axis, be positive direction by the glide direction of sliding to X-axis positive direction, and be negative direction by the glide direction of sliding to X-axis negative direction; When glide direction is positive direction, the adjustment direction of focal length is the direction increased, and in the adjustment direction of focal length be negative direction extremely, the adjustment direction of focal length is the direction reduced.

It will be appreciated by persons skilled in the art that and according to the laying state of terminal, can regulate the direction of X-axis, such as terminal X-direction when laterally placing and longitudinally placing is different, meanwhile, when terminal is laterally placed, also there is different laying states.The detection of the laying state of terminal realizes by direction detection devices such as gyroscopes, does not repeat them here.In other variant embodiment, also the laying state of the sense terminals such as finger print information and gyroscope is measured by end side frontier inspection, such as, first detect that terminal is laterally place or longitudinally place according to gyroscope, then the finger print information that each touch operation region detection arrives is obtained, and the finger print information detected and the finger print information preset are compared, to determine the touch operation region at user's right hand index fingerprint place, and be the positive direction of X-axis by the direction at this place, touch operation region, the direction at this place, touch operation region is by realizing with under type: be coordinate origin by mobile terminal central point, determine the subpoint of touch operation region in X-axis right hand index fingerprint being detected, the direction that this subpoint is pointed in the center of circle is the positive direction of X-axis, such as, this subpoint is in the left side in the center of circle, then the positive direction of X-axis points to left side, this subpoint is on the right side in the center of circle, then the positive direction of X-axis points to right side.

Step S22, the total length in glide direction based on sliding distance and touch operation region, determines the sliding scales of touch operation;

Adopt the sliding distance of touch operation divided by the total length of touch operation region in glide direction, can obtain the sliding scales of touch operation, the sliding scales of this touch operation is greater than zero and is less than or equal to 1.

Step S23, based on the adjustable range of the total length determination focal length of sliding scales and camera applications adjustable focal length.

Adopt sliding scales to be multiplied by the total length of camera applications adjustable focal length, the adjustable range of focal length can be obtained.

In which, focus adjustment distance can be determined according to the sliding distance of user, and more accurately, therefore the obtain manner of focus adjustment direction and adjustable range is preferably mode one.

2) mode two, with reference to Fig. 5, step S20 comprises:

Step S24, when touch operation is slip touch operation, obtains the glide direction of touch operation, and based on the adjustment direction of glide direction determination focal length;

Step S25, obtains the focus adjustment value preset, based on the adjustable range of the focus adjustment value determination focal length preset.

This focus adjustment value preset can be adjustment ratio value, also can be adjustable range value, when focus adjustment value is for adjustment ratio value, adopts this adjustment ratio value to be multiplied by the total length of camera applications adjustable focal length, can obtain the adjustable range of focal length; When focus adjustment value is adjustable range value, directly using the adjustable range of this focus adjustment value preset as focal length.

The obtain manner in above-mentioned two kinds of focus adjustment distance and adjustment direction can be arranged as required by user, and optimal way is mode one.

Step S30, based on the focal length regulating direction and adjustable range to regulate camera applications.

Regulating direction can be augment direction or reduce direction, based on the focal length regulating direction and adjustable range to regulate camera applications, be and increase or reduction adjustable range on the basis of current focal length value, at the present embodiment, focal length is focal length.In other embodiments, focal length can be photography focal length.Or, also can generate a focus adjustment value based on adjustment direction and adjustable range, and on the basis of current focal length value, increase focus adjustment value, wherein, regulate direction be augment direction time, focus adjustment value be on the occasion of, when regulating direction for reducing direction, focus adjustment value is negative value.

The focus adjustment method that the present embodiment proposes, when the camera applications of terminal enters focus adjustment mode, the touch operation that the default touch operation areas accept obtaining terminal side arrives, when touch operation is slip touch operation, based on adjustment direction and the adjustable range of touch operation determination focal length, based on the focal length regulating direction and adjustable range to regulate camera applications, user can realize the adjustment of focusing based on the side frame of terminal, and the regulated value of focal length can be determined according to sliding distance and glide direction, very convenient and accurately; And need not physical button be set in the terminal regulates, avoid the loss of physical button.

Further, for improving accuracy and the flexibility of focus adjustment, with reference to Fig. 6, in above-mentioned focus adjustment method first embodiment, step S10 comprises step:

Step S11, when the camera applications of terminal enters focus adjustment mode, obtains the current laying state of terminal;

Step S12, based on the mapping relations between the laying state preset and touch operation region, determines the touch operation region that current laying state is corresponding;

Step S13, using the touch operation region determined as the touch operation region of presetting.

Because the laying state of terminal is different, be convenient to the touch operation region that user carries out regulating also different, user is often accustomed to adopting the right hand to operate, therefore determines the touch operation region of applicable user's right-hand operated by the state of sense terminals.In the present embodiment, the detection mode of the laying state of terminal is placed similar to the detection of above-mentioned focus adjustment method first embodiment, again repeats no more.

Such as, by gyroscope or gravity checkout gear sense terminals for laterally to place or side direction places (prior art repeats no more), when terminal is for laterally placing, will detect that the touch operation region of right hand index fingerprint or hand thumb fingerprint is as the touch operation region of presetting; Or, when detecting that terminal is longitudinal placement, will detect that the touch operation region of left and right thumbprint or hand thumb fingerprint is as the touch operation region of presetting.

Further, for improving the accuracy of focus adjustment further, with reference to Fig. 7, propose focus adjustment method second embodiment of the present invention based on the first embodiment, in the present embodiment, after step S30, focus adjustment method comprises step:

Step S40, regulates the focal length value in the focal length scale strip preset according to the focus adjustment value of camera applications.

By the mode at terminal shot region display focus adjustment bar, user can see the focal length value after adjustment intuitively.It will be appreciated by persons skilled in the art that and also can comprise step after step S30: upgrade based on the focal length value after regulating picture of finding a view.

The present invention further provides a kind of focal length adjustment device.

With reference to the high-level schematic functional block diagram that Fig. 8, Fig. 8 are focal length adjustment device preferred embodiment of the present invention.

It is emphasized that, to one skilled in the art, functional block diagram shown in Fig. 8 is only the exemplary plot of a preferred embodiment, and those skilled in the art, around the functional module of the focal length adjustment device shown in Fig. 8, can carry out supplementing of new functional module easily; The title of each functional module is self-defined title, only for auxiliary each program function block understanding this focal length adjustment device, be not used in and limit technical scheme of the present invention, the core of technical solution of the present invention is, the function that the functional module of respective define name will be reached.

A kind of focal length adjustment device of the present embodiment, focal length adjustment device comprises:

Acquisition module 10, user when the camera applications of terminal enters focus adjustment mode, the touch operation that the default touch operation areas accept obtaining terminal side arrives;

In the present embodiment, terminal side can be the frame that the material such as metal or plastics is formed, and arranges the touch operation that touch area is used for receiving user in side; Or terminal is Rimless terminal, and whole terminal is all made up of glass screen, there is not physical button, and full side is all tangible, all operations are all undertaken by touching.The touch operation of user's input can be point touching operation and slip touch operation, the mapping relations between predeterminable touch operation and control command, such as different touch sliding trace directions and the control command different apart from correspondence.User can arrange touch operation corresponding to different control commands as required, also can after the setup, and the touch operation corresponding to each control command is modified.

In the present embodiment, user enters focus adjustment mode by various ways, such as: 1) enter focus adjustment mode by the control in camera applications; 2) the touch operation region by terminal side realizes, i.e. acquisition module, also for touch operation that the default touch operation areas accept obtaining terminal side arrives; Determination module, also for determining the control command that touch operation is corresponding; Focal length adjustment device also comprises processing module, for when control command is focus adjustment instruction, controls camera applications and enters focus adjustment mode.3) control camera applications by voice and gesture etc. and enter focus adjustment mode.The triggering mode of the focus adjustment mode enumerated is above only exemplary; those skilled in the art utilize technological thought of the present invention; the triggering mode of other focus adjustment mode proposed according to its real needs, all in protection scope of the present invention, does not carry out exhaustive one by one at this.

Triggering mode due to control command is touch operation, then the situation of user's false triggering easily occurring, comprising: acquiring unit, the touch operation that the touch operation areas accept for obtaining terminal side arrives for avoiding user's false triggering acquisition module 10; Determining unit, for determining the slip parameter corresponding to the touch operation that receives; Processing unit, when slip parameter is more than or equal to predetermined threshold value, confirms to receive touch operation.Be understandable that, when slip parameter is less than predetermined threshold value, ignore this touch operation.This slip parameter can comprise sliding distance, sliding speed and/or sliding pressure, when user's false triggering, sliding distance is general less, sliding speed is generally comparatively slow and sliding pressure is general less, therefore when slip parameter is greater than predetermined threshold value, think that current touch control operation is not false triggering.

Determination module 20, for when touch operation is slip touch operation, based on adjustment direction and the adjustable range of touch operation determination focal length;

In the present embodiment, obtain adjustment direction and the adjustable range of focal length by various ways, specific implementation comprises:

1) mode one, with reference to Fig. 9, determination module 20 comprises:

First acquiring unit 21, for when touch operation is slip touch operation, obtains the glide direction of touch operation and sliding distance, and based on the adjustment direction of glide direction determination focal length;

At the present embodiment, predeterminable positive direction and negative direction, such as predeterminable reference axis, be positive direction by the glide direction of sliding to X-axis positive direction, and be negative direction by the glide direction of sliding to X-axis negative direction; When glide direction is positive direction, the adjustment direction of focal length is the direction increased, and in the adjustment direction of focal length be negative direction extremely, the adjustment direction of focal length is the direction reduced.

It will be appreciated by persons skilled in the art that and according to the laying state of terminal, can regulate the direction of X-axis, such as terminal X-direction when laterally placing and longitudinally placing is different, meanwhile, when terminal is laterally placed, also there is different laying states.The detection of the laying state of terminal realizes by direction detection devices such as gyroscopes, does not repeat them here.In other variant embodiment, also the laying state of the sense terminals such as finger print information and gyroscope is measured by end side frontier inspection, such as, first detect that terminal is laterally place or longitudinally place according to gyroscope, then the finger print information that each touch operation region detection arrives is obtained, and the finger print information detected and the finger print information preset are compared, to determine the touch operation region at user's right hand index fingerprint place, and be the positive direction of X-axis by the direction at this place, touch operation region, the direction at this place, touch operation region is by realizing with under type: be coordinate origin by mobile terminal central point, determine the subpoint of touch operation region in X-axis right hand index fingerprint being detected, the direction that this subpoint is pointed in the center of circle is the positive direction of X-axis, such as, this subpoint is in the left side in the center of circle, then the positive direction of X-axis points to left side, this subpoint is on the right side in the center of circle, then the positive direction of X-axis points to right side.Be understandable that, user can arrange the technical scheme of sense terminals laying state as required.

First determining unit 22, for the total length in glide direction based on sliding distance and touch operation region, determines the sliding scales of touch operation, and the adjustable range of total length determination focal length based on sliding scales and camera applications adjustable focal length.

Second determining unit 22 adopts the sliding distance of touch operation divided by the total length of touch operation region in glide direction, can obtain the sliding scales of touch operation, and the sliding scales of this touch operation is greater than zero and is less than or equal to 1.Meanwhile, the second determining unit 22 adopts sliding scales to be multiplied by the total length of camera applications adjustable focal length, can obtain the adjustable range of focal length.

In which, focus adjustment distance can be determined according to the sliding distance of user, and more accurately, therefore the obtain manner of focus adjustment direction and adjustable range is preferably mode one.

2) mode two, determination module 20 also for:

When touch operation is slip touch operation, obtain the glide direction of touch operation, and based on the adjustment direction of glide direction determination focal length;

Obtain the focus adjustment value preset, based on the adjustable range of the focus adjustment value determination focal length preset.

This focus adjustment value preset can be adjustment ratio value, also can be adjustable range value, and when focus adjustment value is for adjustment ratio value, determination module 20 adopts this adjustment ratio value to be multiplied by the total length of camera applications adjustable focal length, can obtain the adjustable range of focal length; When focus adjustment value is adjustable range value, determination module 20 is directly using the adjustable range of this focus adjustment value preset as focal length.

The obtain manner in above-mentioned two kinds of focus adjustment distance and adjustment direction can be arranged as required by user, and optimal way is mode one.

Adjustment module 30, for regulating the focal length of camera applications based on adjustment direction and adjustable range.

Can be augment direction in adjustment direction or subtract direction, based on the focal length regulating direction and adjustable range to regulate camera applications, namely adjustment module 30 increases or reduces adjustable range on the basis of current focal length value, and at the present embodiment, focal length is focal length.In other embodiments, focal length can be photography focal length.Or, adjustment module 30 also can generate a focus adjustment value based on adjustment direction and adjustable range, and on the basis of current focal length value, increase focus adjustment value, wherein, when regulating direction to be augment direction, focus adjustment value be on the occasion of, regulate direction for reduce direction time, focus adjustment value is negative value.

The focal length adjustment device that the present embodiment proposes, when the camera applications of terminal enters focus adjustment mode, the touch operation that the default touch operation areas accept obtaining terminal side arrives, when touch operation is slip touch operation, based on adjustment direction and the adjustable range of touch operation determination focal length, based on the focal length regulating direction and adjustable range to regulate camera applications, user can realize the adjustment of focusing based on the side frame of terminal, and the regulated value of focal length can be determined according to sliding distance and glide direction, very convenient and accurately; And need not physical button be set in the terminal regulates, avoid the loss of physical button.

Further, for improving accuracy and the flexibility of focus adjustment, with reference to Figure 10, in the preferred embodiment of above-mentioned focal length adjustment device, acquisition module 10 comprises:

Second acquisition unit 11, for when the camera applications of terminal enters focus adjustment mode, obtains the current laying state of terminal;

Second determining unit 12, for based on the mapping relations between the laying state preset and touch operation region, determines the touch operation region that current laying state is corresponding;

Processing unit 13, for the touch operation region that will determine as the touch operation region of presetting.

Because the laying state of terminal is different, be convenient to the touch operation region that user carries out regulating also different, user is often accustomed to adopting the right hand to operate, therefore prevents the touch operation region preventing from determining applicable user's right-hand operated of state by sense terminals.In the present embodiment, the detection mode of the laying state of terminal is placed similar to the detection of above-mentioned focus adjustment method first embodiment, again repeats no more.

Such as, by gyroscope or gravity checkout gear sense terminals for laterally to place or side direction places (prior art repeats no more), when terminal is for laterally placing, will detect that the touch operation region of right hand index fingerprint or hand thumb fingerprint is as the touch operation region of presetting; Or, when detecting that terminal is longitudinal placement, will detect that the touch operation region of left and right thumbprint or hand thumb fingerprint is as the touch operation region of presetting.

Further, for improving the accuracy of focus adjustment further, with reference to Fig. 7, based on the first embodiment, focus adjustment method second embodiment of the present invention is proposed, in the present embodiment, adjustment module 30, also for regulating the focal length value in the focal length scale strip preset according to the focus adjustment value of camera applications.

By the mode at terminal shot region display focus adjustment bar, user can see the focal length value after adjustment intuitively.It will be appreciated by persons skilled in the art that focal length adjustment device also comprises update module, for upgrading based on the focal length value after adjustment picture of finding a view.

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 the method for 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 focus adjustment method, is characterized in that, described focus adjustment method comprises step:
When the camera applications of terminal enters focus adjustment mode, the touch operation that the default touch operation areas accept obtaining the side of described terminal arrives;
When described touch operation is slip touch operation, determine adjustment direction and the adjustable range of described focal length based on described touch operation;
The focal length of described camera applications is regulated based on described adjustment direction and described adjustable range.
2. focus adjustment method as claimed in claim 1, is characterized in that, described when described touch operation is slip touch operation, determines that the adjustment direction of described focal length and the step of adjustable range comprise based on described touch operation:
When described touch operation is slip touch operation, obtain glide direction and the sliding distance of described touch operation, and determine the adjustment direction of described focal length based on described glide direction;
The total length in described glide direction based on described sliding distance and described touch operation region, determines the sliding scales of described touch operation;
Total length based on described sliding scales and described camera applications adjustable focal length determines the adjustable range of described focal length.
3. focus adjustment method as claimed in claim 1, is characterized in that, described when described touch operation is slip touch operation, determines that the adjustment direction of described focal length and the step of adjustable range comprise based on described touch operation:
When described touch operation is slip touch operation, obtain the glide direction of described touch operation, and determine the adjustment direction of described focal length based on described glide direction;
Obtain the focus adjustment value preset, determine the adjustable range of described focal length based on the focus adjustment value preset.
4. the focus adjustment method as described in any one of claim 1-3, is characterized in that, described when the camera applications of terminal enters focus adjustment mode, the default touch operation areas accept obtaining terminal side to the step of touch operation comprise:
When the camera applications of terminal enters focus adjustment mode, obtain the current laying state of described terminal;
Based on the mapping relations between the laying state preset and touch operation region, determine the touch operation region that described current laying state is corresponding;
Using the touch operation region determined as the touch operation region of presetting.
5. the focus adjustment method as described in any one of claim 1-3, it is characterized in that, described when the camera applications of terminal enters focus adjustment mode, before the step of the touch operation that the default touch operation areas accept obtaining terminal side arrives, described focus adjustment method comprises step:
The touch operation that the default touch operation areas accept obtaining terminal side arrives, and determine the control command that described touch operation is corresponding;
When described control command is focus adjustment instruction, controls described camera applications and enter described focus adjustment mode.
6. a focal length adjustment device, is characterized in that, described focal length adjustment device comprises:
Acquisition module, user when the camera applications of terminal enters focus adjustment mode, the touch operation that the default touch operation areas accept obtaining terminal side arrives;
Determination module, for when described touch operation is slip touch operation, determines adjustment direction and the adjustable range of described focal length based on described touch operation;
Adjustment module, for regulating the focal length of described camera applications based on described adjustment direction and adjustable range.
7. focal length adjustment device as claimed in claim 6, it is characterized in that, described determination module comprises:
First acquiring unit, for when described touch operation is slip touch operation, obtains glide direction and the sliding distance of described touch operation, and determines the adjustment direction of described focal length based on described glide direction;
First determining unit, for the total length in described glide direction based on described sliding distance and described touch operation region, determine the sliding scales of described touch operation, and determine the adjustable range of described focal length based on the total length of described sliding scales and described camera applications adjustable focal length.
8. focal length adjustment device as claimed in claim 6, is characterized in that, described determination module also for:
When described touch operation is slip touch operation, obtain the glide direction of described touch operation, and determine the adjustment direction of described focal length based on described glide direction;
Obtain the focus adjustment value preset, determine the adjustable range of described focal length based on the focus adjustment value preset.
9. the focal length adjustment device as described in any one of claim 6-8, is characterized in that, described acquisition module comprises:
Second acquisition unit, for when the camera applications of terminal enters focus adjustment mode, obtains the current laying state of described terminal;
Second determining unit, for based on the mapping relations between the laying state preset and touch operation region, determines the touch operation region that described current laying state is corresponding;
Processing unit, for the touch operation region that will determine as the touch operation region of presetting.
10. the focal length adjustment device as described in any one of claim 6-8, is characterized in that, described acquisition module, also for touch operation that the default touch operation areas accept obtaining terminal side arrives; Described determination module, also for determining the control command that described touch operation is corresponding; Described focal length adjustment device also comprises processing module, for when described control command is focus adjustment instruction, controls described camera applications and enters described focus adjustment mode.
CN201510120793.5A 2015-03-18 2015-03-18 Focus adjustment method and apparatus CN104660913B (en)

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