CN105578069A

CN105578069A - Photographing method and device by mobile terminals

Info

Publication number: CN105578069A
Application number: CN201511001518.8A
Authority: CN
Inventors: 韦钰达; 薛宗林; 王霖川
Original assignee: Xiaomi Inc
Current assignee: Beijing Xiaomi Technology Co Ltd; Xiaomi Inc
Priority date: 2015-12-28
Filing date: 2015-12-28
Publication date: 2016-05-11
Anticipated expiration: 2035-12-28
Also published as: CN105578069B

Abstract

The invention discloses a photographing method and device by mobile terminals. The method comprises following steps of when a photographing instruction is received, sending a metering instruction to an opposite end mobile terminal so as to trigger the opposite end mobile terminal to meter a photographed object through a preset light sensor, wherein the opposite end mobile terminal is closer to the photographed object than a local end mobile terminal; receiving the metering result aiming at the photographed object sent by the opposite end mobile terminal; carrying out exposure compensation based on the received metering result, after finishing the exposure compensation, photographing the photographed object. According to the method and the device disclosed by the invention, precise dot metering can be carried out by a third party mobile terminal in the photographing process; a special metering device is unnecessarily independently installed; and therefore, the method and the device have relatively good universality.

Description

Mobile terminal carries out the method and apparatus of taking pictures

Technical field

The disclosure relates to field of terminal, particularly relates to the method and apparatus that mobile terminal carries out taking pictures.

Background technology

Along with the raising of mobile phone hardware level, the photographic quality that mobile phone is shot is more and more higher, and increasing user brings into use mobile phone to carry out daily taking pictures to replace traditional camera.But, mobile phone is compared with traditional camera, due to hardware constraints, and the difference in hardware designs, mobile phone does not possess the ability of accurate light-metering usually, when therefore taking pictures in the strong environment of some scenery comparison of light and shades, the some metering mode that traditional camera cannot be adopted generally to apply, thus the effect causing the photo shot usually cannot reach traditional camera to shoot.

Summary of the invention

For overcoming Problems existing in correlation technique, the disclosure provides a kind of mobile terminal to carry out the method and apparatus of taking pictures.

According to the first aspect of disclosure embodiment, provide a kind of mobile terminal to carry out the method for taking pictures, described method comprises:

When receiving photographing instruction, sending light-metering instruction to opposite end mobile terminal, by preset light sensor, light-metering being carried out to reference object to trigger described opposite end mobile terminal, wherein, described opposite end mobile terminal than local terminal mobile terminal closer to reference object;

Receive the photometry result for reference object that described opposite end mobile terminal sends;

Carry out exposure compensating based on the described photometry result received, after completing exposure compensating, described reference object is taken pictures.

Optionally, before sending light-metering instruction to opposite end mobile terminal, described method comprises:

Receive and preserve described opposite end mobile terminal carries out light-metering result for the calibration object under difference exposure environment;

Carry out exposure compensating based on the described photometry result received, comprising:

According to the result that described opposite end mobile terminal carries out light-metering for the calibration object under difference exposure environment, the described photometry result received is revised;

Revised described photometry result is used to carry out exposure compensating.

Optionally, calibration option is provided at default interface; Described calibration option is calibrated for the light sensor triggered for described opposite end mobile terminal; Receive and preserve the result that described opposite end mobile terminal carries out light-metering for the calibration object under difference exposure environment and comprise:

Monitor the trigger event for described calibration option;

When listening to the trigger event for described calibration option, export the first prompting message to user; Described first prompting message for point out user to open for simulating overexposure environment default light source irradiation described in opposite end mobile terminal;

Send calibration light-metering instruction to opposite end mobile terminal, under the overexposure environment simulated, carry out light-metering for local terminal mobile terminal by preset light sensor to trigger described opposite end mobile terminal;

Receive and preserve described opposite end mobile terminal for the photometry result of local terminal mobile terminal under the overexposure environment simulated.

Optionally, described reception preserve the result that described opposite end mobile terminal carries out light-metering for the calibration object under difference exposure environment and also comprise:

When listening to the trigger event for described calibration option, export the second prompting message to user; Described second prompting message performs the predetermined registration operation for simulating environment of owing to expose to the sun for pointing out user for described opposite end mobile terminal;

Send calibration light-metering instruction to opposite end mobile terminal, under the deficient environment that exposes to the sun simulated, carry out light-metering for local terminal mobile terminal by preset light sensor to trigger described opposite end mobile terminal;

Receive and preserve described opposite end mobile terminal for the photometry result of local terminal mobile terminal under the deficient environment that exposes to the sun simulated.

Optionally, describedly for the result that the calibration object under difference exposure environment carries out light-metering, correction is carried out to the described photometry result received according to described opposite end mobile terminal and comprises:

Set up the mapping relations between local terminal mobile terminal and the described opposite end mobile terminal photometry result under the described overexposure environment simulated and described environment of owing to expose to the sun;

Revise for the described photometry result received based on described mapping relations.

Optionally, the described default light source for simulating overexposure environment comprises photoflash lamp; The described predetermined registration operation for simulating environment of owing the to expose to the sun light-metering mouth comprised for the light sensor of described mobile terminal carries out the operation of blocking.

According to the second aspect of disclosure embodiment, provide a kind of mobile terminal to carry out the device of taking pictures, described device comprises:

Sending module, being configured to when receiving photographing instruction, sending light-metering instruction to opposite end mobile terminal, by preset light sensor, light-metering being carried out to reference object to trigger described opposite end mobile terminal, wherein, described opposite end mobile terminal than local terminal mobile terminal closer to reference object;

First receiver module, is configured to the photometry result for reference object receiving the mobile terminal transmission of described opposite end;

Photo module, the described photometry result be configured to based on receiving carries out exposure compensating, takes pictures after completing exposure compensating to described reference object.

Optionally, described device also comprises:

Second receiver module, is configured to receive and preserves described opposite end mobile terminal carries out light-metering result for the calibration object under difference exposure environment;

Described photo module comprises:

Revise submodule, the result being configured to carry out light-metering according to described opposite end mobile terminal for the calibration object under difference exposure environment is revised the described photometry result received;

Exposure submodule, is configured to use revised described photometry result to carry out exposure compensating.

Optionally, calibration option is provided at default interface; Described calibration option is calibrated for the light sensor triggered for opposite end mobile terminal;

Described second receiver module comprises:

Monitor submodule, be configured to monitor the trigger event for described calibration option;

First output sub-module, is configured to, when listening to the trigger event for described calibration option, export the first prompting message to user; Described first prompting message for point out user to open for simulating overexposure environment default light source irradiation described in opposite end mobile terminal;

First sends submodule, is configured to send calibration light-metering instruction to opposite end mobile terminal, carries out light-metering to trigger described opposite end mobile terminal by preset light sensor for local terminal mobile terminal under the overexposure environment simulated;

First receives submodule, is configured to receive and preserves described opposite end mobile terminal for the photometry result of local terminal mobile terminal under the overexposure environment simulated.

Optionally, described second receiver module also comprises:

Second output sub-module, is configured to, when listening to the trigger event for described calibration option, export the second prompting message to user; Described second prompting message performs the predetermined registration operation for simulating environment of owing to expose to the sun for pointing out user for described opposite end mobile terminal;

Second sends submodule, is configured to send calibration light-metering instruction to opposite end mobile terminal, carries out light-metering to trigger described opposite end mobile terminal by preset light sensor for local terminal mobile terminal under the deficient environment that exposes to the sun simulated;

Second receives submodule, is configured to receive and preserves described opposite end mobile terminal for the photometry result of local terminal mobile terminal under the deficient environment that exposes to the sun simulated.

Optionally, described correction submodule comprises:

Set up subelement, set up the mapping relations between local terminal mobile terminal and the described opposite end mobile terminal photometry result under the described overexposure environment simulated and described environment of owing to expose to the sun;

Revise subelement, be configured to revise for the described photometry result received based on described mapping relations.

According to the third aspect of disclosure embodiment, provide a kind of mobile terminal to carry out the device of taking pictures, comprising:

Processor;

For the memory of storage of processor executable instruction;

Wherein, described processor is configured to:

The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect:

In above embodiment of the present disclosure, local terminal mobile terminal is when receiving photographing instruction, light-metering instruction is sent to opposite end mobile terminal, by preset light sensor, light-metering is carried out to reference object to trigger described opposite end mobile terminal, wherein, described opposite end mobile terminal than local terminal mobile terminal closer to reference object; Receive the photometry result for reference object that described opposite end mobile terminal sends; Exposure compensating is carried out based on the described photometry result received, after completing exposure compensating, described reference object is taken pictures, achieve when taking pictures, light-metering can be put accurately by third-party mobile terminal, and do not need the photometry apparatus installing separately specialty, therefore there is better versatility.

Should be understood that, it is only exemplary and explanatory that above general description and details hereinafter describe, and can not limit the disclosure.

Accompanying drawing explanation

Accompanying drawing to be herein merged in specification and to form the part of this specification, shows and meets embodiment of the present disclosure, and is used from specification one and explains principle of the present disclosure.

Fig. 1 is the schematic flow sheet that a kind of mobile terminal according to an exemplary embodiment carries out the method for taking pictures;

Fig. 2 is the schematic flow sheet that another kind of mobile terminal according to an exemplary embodiment carries out the method for taking pictures;

Fig. 3 is the schematic block diagram that a kind of mobile terminal according to an exemplary embodiment carries out the device of taking pictures;

Fig. 4 is the schematic block diagram that another kind of mobile terminal according to an exemplary embodiment carries out the device of taking pictures;

Fig. 5 is the schematic block diagram that another kind of mobile terminal according to an exemplary embodiment carries out the device of taking pictures;

Fig. 6 is the schematic block diagram that another kind of mobile terminal according to an exemplary embodiment carries out the device of taking pictures;

Fig. 7 is the schematic block diagram that another kind of mobile terminal according to an exemplary embodiment carries out the device of taking pictures;

Fig. 8 is the schematic block diagram that another kind of mobile terminal according to an exemplary embodiment carries out the device of taking pictures;

Fig. 9 is a kind of structural representation carrying out the device of taking pictures for mobile terminal according to an exemplary embodiment.

Embodiment

Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.Execution mode described in following exemplary embodiment does not represent all execution modes consistent with the disclosure.On the contrary, they only with as in appended claims describe in detail, the example of apparatus and method that aspects more of the present disclosure are consistent.

The term used in the disclosure is only for the object describing specific embodiment, and the not intended to be limiting disclosure." one ", " described " and " being somebody's turn to do " of the singulative used in disclosure and the accompanying claims book is also intended to comprise most form, unless context clearly represents other implications.It is also understood that term "and/or" used herein refer to and comprise one or more project of listing be associated any or all may combine.

Term first, second, third, etc. may be adopted although should be appreciated that to describe various information in the disclosure, these information should not be limited to these terms.These terms are only used for the information of same type to be distinguished from each other out.Such as, when not departing from disclosure scope, the first information also can be called as the second information, and similarly, the second information also can be called as the first information.Depend on linguistic context, word as used in this " if " can be construed as into " ... time " or " when ... time " or " in response to determining ".

In the related, light-metering is divided into region-wide average metering, key area light-metering and some light-metering Three models usually.The light-metering of mobile phone when taking pictures, the information usually all collected according to the camera of mobile phone carries out judging and processing, and according to different light-metering algorithms, can realize region-wide average metering and key area light-metering isotype.For region-wide average metering, do not distinguish emphasis, ensure that photo entirety is in luminance balance state.And for key area light-metering, the implementation of current main flow is " clicking " pattern, namely user touches screen when taking pictures, and mobile phone carries out emphasis light-metering to this region automatically, ensures that this region is in luminance balance state.

Take pictures in scene most, the photometry result of region-wide average metering and key area light-metering, usually actual demand can be met, but for the scene of taking pictures that some are special, such as bright and dark light contrasts strong occasion, rely on the light information of camera collection usually cannot distinguish key area, therefore can not realize the effect of " the some light-metering " of traditional camera.

Such as, user, when the paper-cut using mobile phone on indoor shot windowpane, contrasts strongly due to indoor with outdoor bright and dark light, when taking indoor, always because background is excessively bright, there is the paper-cut of taking out and become very dark, even cannot distinguish the defect of color.

Therefore, in order to the ability making mobile phone possess a light-metering, usually for mobile phone, special light meter can be installed; Such as, can carry out physical connection by the earphone interface of mobile phone and the special light meter for mobile phone, user, when using mobile phone photograph, can carry out a light-metering by the key area of light meter to shooting.

But in this way, make mobile phone possess the ability of a light-metering, need for mobile phone configures independent special equipment, equipment cost is higher, and has universal not obviously and be difficult to be able to the quick defect realized in daily life.

In view of this, the disclosure proposes a kind of method that mobile terminal carries out taking pictures, local terminal mobile terminal is when receiving photographing instruction, light-metering instruction is sent to opposite end mobile terminal, by preset light sensor, light-metering is carried out to reference object to trigger described opposite end mobile terminal, wherein, described opposite end mobile terminal than local terminal mobile terminal closer to reference object; Receive the photometry result for reference object that described opposite end mobile terminal sends; Exposure compensating is carried out based on the described photometry result received, after completing exposure compensating, described reference object is taken pictures, achieve when taking pictures, light-metering can be put accurately by third-party mobile terminal, and do not need the photometry apparatus installing separately specialty, therefore there is better versatility.

As shown in Figure 1, Fig. 1 is the method that a kind of mobile terminal according to an exemplary embodiment carries out taking pictures, and the method is applied in local terminal mobile terminal, comprises the following steps:

In a step 101, when receiving photographing instruction, sending light-metering instruction to opposite end mobile terminal, by preset light sensor, light-metering being carried out to reference object to trigger described opposite end mobile terminal, wherein, described opposite end mobile terminal than local terminal mobile terminal closer to reference object;

Above-mentioned local terminal mobile terminal can comprise the mobile terminal with camera function; Such as, this local terminal mobile terminal can be have the mobile phone of camera function, panel computer and wearable device, etc.

The mobile terminal that above-mentioned opposite end mobile terminal can comprise light sensor built-in, such as, smart mobile phone, the panel computer of this opposite end mobile terminal can be built-in light sensor, etc.User carries out in the process of taking pictures at use local terminal mobile terminal, can complete light-metering, with the function making local terminal mobile terminal have a light-metering by opposite end mobile terminal is carried out auxiliary local terminal mobile terminal as photometry apparatus near reference object; Wherein, user, in the process of taking pictures, uses opposite end mobile terminal near the distance of reference object, can be compared to local terminal mobile terminal more near any position of reference object, be not particularly limited in the disclosure; Such as, in a kind of execution mode illustrated, user, when taking pictures for reference object, can select light-metering point on reference object, then use opposite end mobile terminal in-plant press close to selected light-metering point to carry out light-metering, thus the effect of a light-metering can be reached.

For convenience of describing, below with above-mentioned local terminal mobile terminal for shooting mobile phone, and above-mentioned opposite end mobile terminal be light-metering mobile phone is that example is described.In this example, user, before use shooting mobile phone is taken pictures, can set up wireless connections with light-metering mobile phone in advance.

Wherein, these wireless connections can comprise WIFI connection and bluetooth connection.

Such as, when these wireless connections are WIFI connection, user can carry out radio network configuration to shooting mobile phone and light-metering mobile phone respectively, identical WIFI logon name and password is used to access the router of same WIFI network, set up WIFI wireless connections, then carry out data interaction based on these WIFI wireless connections.And for example, when these wireless connections are that bluetooth connects, user can use shooting mobile phone and light-metering mobile phone to carry out Bluetooth pairing, sets up bluetooth and connects, and then connects based on this bluetooth and carries out data interaction.

Certainly, in actual applications, except WIFI connects or bluetooth connects, above-mentioned wireless connections also can be the wireless connections of other types such as such as zigbee connection, are not particularly limited in the disclosure.

In this example, because shooting mobile phone may not be identical with the model of light-metering mobile phone, therefore shooting mobile phone and light-metering mobile phone are when carrying out light-metering by preset light sensor, may there is certain trueness error.Such as, when shooting mobile phone is not identical with the model of light-metering mobile phone, even if shooting mobile phone and light-metering mobile phone use preset light sensor to carry out light-metering for same light source, the photometry result finally obtained also may be different.

Therefore, in this case, user is before use shooting mobile phone is taken pictures, except needing to set up except the wireless connections between shooting mobile phone and light-metering mobile phone, can also be calibrated light-metering mobile phone by user, to eliminate the trueness error for photometry result between shooting mobile phone and light-metering mobile phone.

When calibrating for light-metering mobile phone, can, by simulating different exposure environment for light-metering mobile phone, light-metering mobile phone be used to carry out light-metering to realize for calibration object under different exposure environment.Wherein, when using shooting mobile phone to simulate different exposure environment for light-metering mobile phone, above-mentioned calibration object then can refer to light-metering mobile phone.

In a kind of execution mode illustrated, shooting mobile phone can provide one to calibrate option in interface of taking pictures (namely preset interface), and such as, this calibration option can be " calibration " button provided in interface of taking pictures.Wherein, this calibration option may be used for triggering and calibrates for the light sensor of light-metering mobile phone.After user triggers this calibration option, can activation pin to the calibration process of light-metering mobile phone.

When calibrating for light-metering mobile phone, two stage calibration can be divided into.First stage can be calibrated light-metering mobile phone by simulation overexposure environment.Second stage can be calibrated light-metering mobile phone by simulation environment of owing to expose to the sun.

Wherein, when simulating overexposure environment, irradiation at short distance can be carried out realize to light-metering mobile phone by the default light source for simulating overexposure environment.Such as, this default light source can be the photoflash lamp of light-metering mobile phone.When simulation owes to expose to the sun environment, can realize for simulating the predetermined registration operation of owing to expose to the sun environment by performing for described light-metering mobile phone.Such as, this predetermined registration operation can be carry out the operation of blocking for the light-metering mouth of the light sensor of light-metering mobile phone.Certainly, when realizing, the calibration sequence of first stage and second stage is not particularly limited, and can exchange.

When specific implementation, shooting mobile phone can be real-time on backstage monitoring users for the trigger event (such as click event) of this calibration option, after listening to the trigger event of user for this calibration option, shooting mobile phone can export first prompting message at boundary's user oriented of taking pictures, and starts the calibration carrying out the first stage to point out user.

This first prompting message may be used for pointing out the default light source irradiation light-metering mobile phone of user's unlatching for simulating overexposure environment; Such as, this first prompting message can be the prompting message of " please open photoflash lamp and irradiate light-metering mobile phone ", and the photoflash lamp using shooting mobile phone to point out user irradiates the position at the light-metering mouth place of the light sensor of light-metering mobile phone.

Certainly, in actual applications, simulate except overexposure environment except light-metering mobile phone can be irradiated by photoflash lamp, also can get off to simulate overexposure environment by light-metering mobile phone is preset in sunlight.In this case, above-mentioned first prompting message can be then the prompting message of " under please light-metering mobile phone being placed in sunlight ".

After simulating overexposure environment, now shooting mobile phone can send calibration light-metering instruction to light-metering mobile phone, carries out light-metering to trigger light-metering mobile phone by preset light sensor for shooting mobile phone under the overexposure environment simulated.After shooting mobile phone light-metering completes, the illumination intensity value that light-metering can be obtained returns to shooting mobile phone by above-mentioned wireless connections.Wherein, the light sensor of light-metering mobile phone, when carrying out light-metering, can be realized by the light-metering client of pre-installation in light-metering mobile phone.Such as, this light-metering client can be that the light-metering APP of pre-installation in light-metering mobile phone, this APP complete light-metering by the light sensor calling light-metering mobile phone preset.When shooting mobile phone is after receiving the illumination intensity value that light-metering mobile phone records under overexposure environment, the now calibration of first stage terminates, and this illumination intensity value can be preserved in this locality by shooting mobile phone.

After the calibration of first stage terminates, now can start the calibration carrying out second stage.

When carrying out the calibration of second stage, shooting mobile phone can export second prompting message at boundary's user oriented of taking pictures, and starts the calibration carrying out second stage to point out user.

This second prompting message may be used for pointing out user to open predetermined registration operation for performing for light-metering mobile phone for simulating environment of owing to expose to the sun; Such as, this second prompting message can be the prompting message of " please block the light-metering mouth of light-metering mobile phone ", with the light-metering mouth of pointing out user to block the preset light sensor of light-metering mobile phone.

Wherein, the light-metering mouth of light-metering mobile phone light sensor to be usually located at above screen around camera, or be predisposed in screen, therefore user is when blocking the light-metering mouth of the preset light sensor of light-metering mobile phone, directly can block operation to the screen of light-metering mobile phone.

After simulating environment of owing to expose to the sun, now shooting mobile phone can send calibration light-metering instruction to light-metering mobile phone, carry out light-metering to trigger light-metering mobile phone by preset light sensor for shooting mobile phone under the deficient environment that exposes to the sun simulated.After shooting mobile phone light-metering completes, the illumination intensity value that light-metering can be obtained returns to shooting mobile phone by above-mentioned wireless connections.When shooting mobile phone is after receiving the illumination intensity value that light-metering mobile phone records under environment of owing to expose to the sun, the now calibration of second stage terminates, and this illumination intensity value can be preserved in this locality by shooting mobile phone.

Certainly, it should be noted that, when calibrating for light-metering mobile phone, except the light-metering mobile phone that is respectively described above simulates overexposure environment and owes the environment that exposes to the sun, beyond calibration light-metering mobile phone being carried out to two stages, also only can carry out the calibration in a stage in actual applications to light-metering mobile phone; Such as, only can simulate overexposure environment for light-metering mobile phone or environment one exposure environment of owing to expose to the sun, then in overexposure environment or owe exposes to the sun environment, light-metering mobile phone be calibrated.

In this example, when shooting mobile phone and light-metering mobile phone establish wireless connections, and after completing light-metering mobile phone calibration, now user can by opening the camera function of shooting mobile phone, and the MCU triggered to shooting mobile phone sends photographing instruction, performs and takes pictures.

The MCU of shooting mobile phone is after receiving this photographing instruction, and on the one hand, the camera that can control shooting mobile phone is opened, and catches real-time picture and present to user in the interface of taking pictures of shooting mobile phone as preview screen.

On the other hand, after MCU receives this photographing instruction, based on the wireless connections between light-metering mobile phone, a light-metering instruction can be sent to light-metering mobile phone; Wherein, this light-metering instruction, carries out light-metering by preset light sensor for the light-metering point of user preset for triggering light-metering mobile phone.

When light-metering mobile phone receives the light-metering instruction of shooting mobile phone transmission, preset light sensor can be started and start light-metering.Now, user can select light-metering point on reference object, and the light-metering point then selected near user by the light-metering mouth of light-metering mobile phone light sensor is to complete light-metering.

Such as, in actual applications, light-metering mouth due to light-metering mobile phone light sensor to be usually located at above screen around camera, or be predisposed in screen, therefore user is when carrying out light-metering, by the screen of light-metering mobile phone just to shooting mobile phone, simultaneously by the light-metering point that tight-lipped for light-metering subsides user selectes, thus light-metering can be carried out for the light of user's shooting direction.

In a step 102, the photometry result for reference object that opposite end mobile terminal sends is received;

In step 103, carry out exposure compensating based on the described photometry result received, after completing exposure compensating, described reference object is taken pictures.

In this example, after the light-metering of light-metering mobile phone completes, the illumination intensity value of the light-metering be set by the user point that can will be obtained by light sensor measurement, returns to shooting mobile phone by above-mentioned wireless connections.Shooting mobile phone is after receiving the photometry result that light-metering mobile phone returns, MCU process can be transferred to, by the illumination intensity value of MCU based on this light-metering point received, exposure compensating is carried out to the light-metering point be set by the user, then after completing exposure compensating, reference object is taken pictures.

Wherein, because the model of shooting mobile phone and light-metering mobile phone may be different, therefore, may there is certain trueness error with light-metering mobile phone in the light intensity value that records under overexposure environment and owing exposes to the sun environment of shooting mobile phone.Therefore, if the photometry result that MCU directly uses light-metering mobile phone to return carries out exposure compensating, then final exposure effect may be affected due to trueness error.

For this situation, the MCU of shooting mobile phone is when the photometry result returned based on light-metering mobile phone carries out exposure compensating, the light-metering mobile phone can preserved based on this locality carries out the result of light-metering for the calibration object under difference exposure environment, the illumination intensity value that light-metering mobile phone returns is revised, then carries out exposure compensating based on revised illumination intensity value.

In a kind of execution mode illustrated, above-mentioned difference exposure environment can comprise shooting mobile phone to be the overexposure environment that simulates of light-metering mobile phone and to owe the environment that exposes to the sun.The MCU of shooting mobile phone is when the photometry result returned based on light-metering mobile phone carries out exposure compensating, the photometry result of the light-metering mobile phone can preserved based on this locality under the overexposure environment simulated and owing exposes to the sun environment, revises the illumination intensity value that light-metering mobile phone returns.

Wherein, shooting mobile phone is when the illumination intensity value returned for light-metering mobile phone is revised, the photometry result of the machine under the overexposure environment simulated and owing exposes to the sun environment can be set up, and the mapping relations between the photometry result of light-metering mobile phone under the overexposure environment simulated and owing exposes to the sun environment, then revise the photometry result that light-metering mobile phone returns based on these mapping relations.

After these mapping relations have been set up, shooting mobile phone is after the photometry result obtaining light-metering mobile phone, just can based on above-mentioned mapping relations, the photometry result of light-metering mobile phone is converted to the photometry result that the machine can be supported, then the photometry result after based on above-mentioned mapping relations conversion is used, exposure compensating is carried out to light-metering point, thus carrys out message light-metering trueness error therebetween.

Such as, light-metering mobile phone is being carried out after calibration completes, user still can be simulated overexposure environment and owe the environment that exposes to the sun by identical mode, use shooting mobile phone to carry out light-metering under identical overexposure environment and owing exposes to the sun environment, then set up the mapping relations between shooting mobile phone and the light-metering mobile phone photometry result under the identical overexposure environment simulated and owing exposes to the sun environment.Due to light-metering mobile phone and the shooting mobile phone photometry result under overexposure environment and owing exposes to the sun environment, usually the photometric range of light-metering mobile phone and shooting mobile phone can be characterized, therefore above-mentioned mapping relations in fact can as the mapping relations between light-metering mobile phone and the photometric range of shooting mobile phone, thus changed by the photometry result of these mapping relations to light-metering mobile phone, the light-metering trueness error that light-metering mobile phone causes because photometric range is different with shooting mobile phone can be eliminated.

Certainly, when setting up above-mentioned mapping relations, user also can not use shooting mobile phone to carry out light-metering under identical overexposure environment and owing exposes to the sun environment, but directly the photometry result of acquiescence shooting mobile phone under the overexposure environment simulated is the maximum of the photometric range that shooting mobile phone can be supported, the photometry result of acquiescence shooting mobile phone under the overexposure environment simulated is the minimum value of the photometric range that shooting mobile phone can be supported, in this way, the use light-metering mobile phone of repetition can be avoided under overexposure environment and owing exposes to the sun environment to carry out light-metering, thus the mapping relations between the photometric range directly can setting up shooting mobile phone and light-metering mobile phone.

In this example, the MCU of shooting mobile phone is in the photometry result based on revised light-metering mobile phone, when exposure compensating is carried out to light-metering point, typically refer to the calculating that the illumination intensity value recorded based on light-metering mobile phone carries out automatic exposure, the process that the shooting aperture then obtaining mating combines with shooting shutter speed.

After MCU to calculate the shooting aperture mated with the illumination intensity value of light-metering point and the combination of shooting shutter speed based on this illumination intensity value, camera can be controlled using the combination of this shooting aperture and shooting shutter speed as acquisition parameters, take pictures.Because shooting mobile phone is when carrying out exposure compensating to light-metering point, that the illumination intensity value recorded close to the light-metering point in reference object based on light-metering mobile phone carries out, therefore can realize the pattern of " some light-metering " by light-metering mobile phone, thus the photo that overall brightness tends to balance can be shot.

In the embodiment above, local terminal mobile terminal is when receiving photographing instruction, light-metering instruction is sent to opposite end mobile terminal, by preset light sensor, light-metering is carried out to reference object to trigger described opposite end mobile terminal, wherein, described opposite end mobile terminal than local terminal mobile terminal closer to reference object; Receive the photometry result for reference object that described opposite end mobile terminal sends; Exposure compensating is carried out based on the described photometry result received, after completing exposure compensating, described reference object is taken pictures, achieve when taking pictures, light-metering can be put accurately by third-party mobile terminal, and do not need the photometry apparatus installing separately specialty, therefore there is better versatility.

As shown in Figure 2, Fig. 2 is the method that the another kind of mobile terminal according to an exemplary embodiment carries out taking pictures, and the method is used for, in local terminal mobile terminal, said method comprising the steps of:

In step 201, the trigger event for calibration option is monitored; Described calibration option is calibrated for the light sensor triggered for opposite end mobile terminal;

In step 202., when listening to the trigger event for described calibration option, export the first prompting message and the second prompting message respectively to user; Described first prompting message for point out user to open for simulating overexposure environment default light source irradiation described in opposite end mobile terminal; Described second prompting message performs the predetermined registration operation for simulating environment of owing to expose to the sun for pointing out user for described opposite end mobile terminal;

In step 203, receive and preserve described opposite end mobile terminal for the photometry result of local terminal mobile terminal under the overexposure environment simulated and owing exposes to the sun environment;

For convenience of describing, below with above-mentioned local terminal mobile terminal for shooting mobile phone, and above-mentioned opposite end mobile terminal be light-metering mobile phone is that example is described.

In this example, user, before use shooting mobile phone is taken pictures, can set up wireless connections with light-metering mobile phone in advance.Wherein, these wireless connections can comprise WIFI connection and bluetooth connection.

When calibrating for light-metering mobile phone, can, by simulating different exposure environment for light-metering mobile phone, light-metering mobile phone be used to carry out light-metering to realize for calibration object under different exposure environment.Wherein, when using shooting mobile phone to simulate different exposure environment for light-metering mobile phone, above-mentioned calibration object then can refer to light-metering mobile phone.In a kind of execution mode illustrated, shooting mobile phone can provide one to calibrate option in interface of taking pictures (namely preset interface), and such as, this calibration option can be " calibration " button provided in interface of taking pictures.Wherein, this calibration option may be used for triggering and calibrates for the light sensor of light-metering mobile phone.After user triggers this calibration option, can activation pin to the calibration process of light-metering mobile phone.

In step 204, when receiving photographing instruction, sending light-metering instruction to opposite end mobile terminal, by preset light sensor, light-metering being carried out to reference object to trigger described opposite end mobile terminal, wherein, described opposite end mobile terminal than local terminal mobile terminal closer to reference object;

In step 205, the photometry result for reference object that described opposite end mobile terminal sends is received;

In step 206, the mapping relations between local terminal mobile terminal and the described opposite end mobile terminal photometry result under the described overexposure environment simulated and described environment of owing to expose to the sun are set up;

In step 207, revise for the described photometry result received based on described mapping relations;

In this example, because the model of shooting mobile phone and light-metering mobile phone may be different, therefore, may there is certain trueness error with light-metering mobile phone in the light intensity value that records under overexposure environment and owing exposes to the sun environment of shooting mobile phone.Therefore, if the photometry result that MCU directly uses light-metering mobile phone to return carries out exposure compensating, then final exposure effect may be affected due to trueness error.

In a step 208, use revised described photometry result to carry out exposure compensating, after completing exposure compensating, described reference object is taken pictures.

Corresponding with preceding method embodiment, the disclosure additionally provides the embodiment of device.

Fig. 3 is the schematic block diagram that a kind of mobile terminal according to an exemplary embodiment carries out the device of taking pictures.

As shown in Figure 3, a kind of mobile terminal according to an exemplary embodiment carries out the device 300 of taking pictures, and is applied to local terminal mobile terminal, and described device 300 comprises: sending module 301, first receiver module 302, photo module 303; Wherein:

Described sending module 301, be configured to when receiving photographing instruction, light-metering instruction is sent to opposite end mobile terminal, by preset light sensor, light-metering is carried out to reference object to trigger described opposite end mobile terminal, wherein, described opposite end mobile terminal than local terminal mobile terminal closer to reference object;

Described first receiver module 302, is configured to the photometry result for reference object receiving the mobile terminal transmission of described opposite end;

Described photo module 303, the described photometry result be configured to based on receiving carries out exposure compensating, takes pictures after completing exposure compensating to described reference object.

Refer to Fig. 4, Fig. 4 is the device block diagram that the another kind of mobile terminal of the disclosure according to an exemplary embodiment carries out taking pictures, and this embodiment is on aforementioned basis embodiment illustrated in fig. 3, and described device 300 can also comprise the second receiver module 304; Wherein:

Described second receiver module 304, is configured to receive and preserves described opposite end mobile terminal carries out light-metering result for the calibration object under difference exposure environment.

Refer to Fig. 5, Fig. 5 is the device block diagram that the another kind of mobile terminal of the disclosure according to an exemplary embodiment carries out taking pictures, this embodiment is on aforementioned basis embodiment illustrated in fig. 4, and described photo module 303 can comprise revises submodule 303A, exposure submodule 303B; Wherein:

Described correction submodule 303A, the result being configured to carry out light-metering according to described opposite end mobile terminal for the calibration object under difference exposure environment is revised the described photometry result received;

Described exposure submodule 303B, is configured to use revised described photometry result to carry out exposure compensating.

It should be noted that, the correction submodule 303A shown in device embodiment shown in above-mentioned Fig. 5, exposure submodule 303B; Structure also can be included in the device embodiment of earlier figures 3, this disclosure is not limited.

Refer to Fig. 6, Fig. 6 is the device block diagram that the another kind of mobile terminal of the disclosure according to an exemplary embodiment carries out taking pictures, and this embodiment is on aforementioned basis embodiment illustrated in fig. 4, and described device 300 provides calibration option at default interface; Described calibration option is calibrated for the light sensor triggered for described mobile terminal; Described second receiver module 304 can comprise monitors submodule 304A, the first output sub-module 304B and the first transmission submodule 304C, the first reception submodule 304D; Wherein:

Described monitoring submodule 304A, is configured to monitor the trigger event for described calibration option;

Described first output sub-module 304B, is configured to, when listening to the trigger event for described calibration option, export the first prompting message to user; Described first prompting message for point out user to open for simulating overexposure environment default light source irradiation described in opposite end mobile terminal;

Described first sends submodule 304C, is configured to send calibration light-metering instruction to opposite end mobile terminal, carries out light-metering to trigger described opposite end mobile terminal by preset light sensor for local terminal mobile terminal under the overexposure environment simulated;

Described first receives submodule 304D, is configured to receive and preserves described opposite end mobile terminal for the photometry result of local terminal mobile terminal under the overexposure environment simulated.

It should be noted that, the monitoring submodule 304A shown in device embodiment, the first output sub-module 304B shown in above-mentioned Fig. 6 and first sends submodule 304C, the first structure receiving submodule 304D also can be included in the device embodiment of earlier figures 3 or 5, does not limit this disclosure.

Refer to Fig. 7, Fig. 7 is the device block diagram that the another kind of mobile terminal of the disclosure according to an exemplary embodiment carries out taking pictures, this embodiment is on aforementioned basis embodiment illustrated in fig. 6, and described second receiver module 304 can also comprise the second output sub-module 304E, second and send submodule 304F and second reception submodule 304G; Wherein:

Described second output sub-module 304E, is configured to, when listening to the trigger event for described calibration option, export the second prompting message to user; Described second prompting message performs the predetermined registration operation for simulating environment of owing to expose to the sun for pointing out user for described opposite end mobile terminal;

Described second sends submodule 304F, is configured to send calibration light-metering instruction to opposite end mobile terminal, carries out light-metering to trigger described opposite end mobile terminal by preset light sensor for local terminal mobile terminal under the deficient environment that exposes to the sun simulated;

Described second receives submodule 304G, is configured to receive and preserves described opposite end mobile terminal for the photometry result of local terminal mobile terminal under the deficient environment that exposes to the sun simulated.

It should be noted that, the structure that the second output sub-module 304E shown in device embodiment shown in above-mentioned Fig. 7, second sends submodule 304F and second reception submodule 304G also can be included in the device embodiment of earlier figures 3-5, does not limit this disclosure.

Refer to Fig. 8, Fig. 8 is the device block diagram that the another kind of mobile terminal of the disclosure according to an exemplary embodiment carries out taking pictures, this embodiment is on aforementioned basis embodiment illustrated in fig. 5, and described correction submodule 303A can comprise and sets up subelement 303A1 and revise submodule 303A2; Wherein:

Describedly set up subelement 303A1, be configured to set up the mapping relations between local terminal mobile terminal and the described opposite end mobile terminal photometry result under the described overexposure environment simulated and described environment of owing to expose to the sun;

Described correction subelement 303A2, is configured to revise for the described photometry result received based on described mapping relations.

It should be noted that, the structure setting up subelement 303A1 and correction submodule 303A2 shown in the device embodiment shown in above-mentioned Fig. 7 also can be included in the device embodiment of earlier figures 3-4 or 6-7, does not limit this disclosure.

In above each embodiment, the described default light source for simulating overexposure environment comprises photoflash lamp; The described predetermined registration operation for simulating environment of owing the to expose to the sun light-metering mouth comprised for the light sensor of described mobile terminal carries out the operation of blocking.

In said apparatus, the implementation procedure of the function and efficacy of modules specifically refers to the implementation procedure of corresponding step in said method, does not repeat them here.

For device embodiment, because it corresponds essentially to embodiment of the method, so relevant part illustrates see the part of embodiment of the method.Device embodiment described above is only schematic, the wherein said module illustrated as separating component can or may not be physically separates, parts as module display can be or may not be physical module, namely can be positioned at a place, or also can be distributed on multiple mixed-media network modules mixed-media.Some or all of module wherein can be selected according to the actual needs to realize the object of disclosure scheme.Those of ordinary skill in the art, when not paying creative work, are namely appreciated that and implement.

Accordingly, the disclosure also provides a kind of mobile terminal to carry out the device of taking pictures, and the device that described mobile terminal carries out taking pictures comprises:

Processor;

For the memory of storage of processor executable instruction;

Wherein, described processor is configured to:

Accordingly, the disclosure also provides a kind of terminal, described terminal includes memory, and one or more than one program, one of them or more than one program are stored in memory, and are configured to perform described more than one or one program package containing the instruction for carrying out following operation by more than one or one processor:

Fig. 9 is the structural representation that a kind of mobile terminal according to an exemplary embodiment carries out the device of taking pictures.

As shown in Figure 9, a kind of mobile terminal according to an exemplary embodiment carries out the device 900 of taking pictures, and this device 900 can be computer, mobile phone, digital broadcast terminal, messaging devices, game console, flat-panel devices, Medical Devices, body-building equipment, the terminals such as personal digital assistant.

With reference to Fig. 9, device 900 can comprise following one or more assembly: processing components 901, memory 902, power supply module 903, multimedia groupware 904, audio-frequency assembly 905, the interface 906 of I/O (I/O), sensor cluster 907, and communications component 908.

The integrated operation of the usual control device 900 of processing components 901, such as with display, call, data communication, camera operation and record operate the operation be associated.Processing components 901 can comprise one or more processor 909 to perform instruction, to complete all or part of step of above-mentioned method.In addition, processing components 901 can comprise one or more module, and what be convenient between processing components 901 and other assembly is mutual.Such as, processing unit 901 can comprise multi-media module, mutual with what facilitate between multimedia groupware 904 and processing components 901.

Memory 902 is configured to store various types of data to be supported in the operation of device 900.The example of these data comprises for any application program of operation on device 900 or the instruction of method, contact data, telephone book data, message, picture, video etc.Memory 902 can be realized by the volatibility of any type or non-volatile memory device or their combination, as static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM), Erasable Programmable Read Only Memory EPROM (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, disk or CD.

The various assemblies that power supply module 903 is device 900 provide electric power.Power supply module 903 can comprise power-supply management system, one or more power supply, and other and the assembly generating, manage and distribute electric power for device 900 and be associated.

Multimedia groupware 904 is included in the screen providing an output interface between described device 900 and user.In certain embodiments, screen can comprise liquid crystal display (LCD) and touch panel (TP).If screen comprises touch panel, screen may be implemented as touch-screen, to receive the input signal from user.Touch panel comprises one or more touch sensor with the gesture on sensing touch, slip and touch panel.Described touch sensor can the border of not only sensing touch or sliding action, but also detects the duration relevant to described touch or slide and pressure.In certain embodiments, multimedia groupware 904 comprises a front-facing camera and/or post-positioned pick-up head.When device 900 is in operator scheme, during as screening-mode or video mode, front-facing camera and/or post-positioned pick-up head can receive outside multi-medium data.Each front-facing camera and post-positioned pick-up head can be fixing optical lens systems or have focal length and optical zoom ability.

Audio-frequency assembly 905 is configured to export and/or input audio signal.Such as, audio-frequency assembly 905 comprises a microphone (MIC), and when device 900 is in operator scheme, during as call model, logging mode and speech recognition mode, microphone is configured to receive external audio signal.The audio signal received can be stored in memory 902 further or be sent via communications component 908.In certain embodiments, audio-frequency assembly 905 also comprises a loud speaker, for output audio signal.

I/O interface 902 is for providing interface between processing components 901 and peripheral interface module, and above-mentioned peripheral interface module can be keyboard, some striking wheel, button etc.These buttons can include but not limited to: home button, volume button, start button and locking press button.

Sensor cluster 907 comprises one or more transducer, for providing the state estimation of various aspects for device 900.Such as, sensor cluster 907 can detect the opening/closing state of device 900, the relative positioning of assembly, such as described assembly is display and the keypad of device 900, the position of all right checkout gear 900 of sensor cluster 907 or device 900 1 assemblies changes, the presence or absence that user contacts with device 900, the variations in temperature of device 900 orientation or acceleration/deceleration and device 900.Sensor cluster 907 can comprise proximity transducer, be configured to without any physical contact time detect near the existence of object.Sensor cluster 907 can also comprise optical sensor, as CMOS or ccd image sensor, for using in imaging applications.In certain embodiments, this sensor cluster 907 can also comprise acceleration transducer, gyro sensor, Magnetic Sensor, pressure sensor or temperature sensor.

Communications component 908 is configured to the communication being convenient to wired or wireless mode between device 900 and miscellaneous equipment.Device 900 can access the wireless network based on communication standard, as WiFi, 2G or 3G, or their combination.In one exemplary embodiment, communications component 908 receives from the broadcast singal of external broadcasting management system or broadcast related information via broadcast channel.In one exemplary embodiment, described communications component 908 also comprises near-field communication (NFC) module, to promote junction service.Such as, can based on radio-frequency (RF) identification (RFID) technology in NFC module, Infrared Data Association (IrDA) technology, ultra broadband (UWB) technology, bluetooth (BT) technology and other technology realize.

In the exemplary embodiment, device 900 can be realized, for performing said method by one or more application specific integrated circuit (ASIC), digital signal processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), controller, microcontroller, microprocessor or other electron component.

In the exemplary embodiment, additionally provide a kind of non-transitory computer-readable recording medium comprising instruction, such as, comprise the memory 902 of instruction, above-mentioned instruction can perform said method by the processor 909 of device 900.Such as, described non-transitory computer-readable recording medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk and optical data storage devices etc.

Wherein, when the instruction in described storage medium is performed by described processor 909, a kind of method making device 900 can perform mobile terminal to carry out taking pictures, comprising:

Those skilled in the art, at consideration specification and after putting into practice invention disclosed herein, will easily expect other embodiment of the present disclosure.The application is intended to contain any modification of the present disclosure, purposes or adaptations, and these modification, purposes or adaptations are followed general principle of the present disclosure and comprised the undocumented common practise in the art of the disclosure or conventional techniques means.Specification and embodiment are only regarded as exemplary, and true scope of the present disclosure and spirit are pointed out by claim below.

Should be understood that, the disclosure is not limited to precision architecture described above and illustrated in the accompanying drawings, and can carry out various amendment and change not departing from its scope.The scope of the present disclosure is only limited by appended claim.

Claims

1. mobile terminal carries out a method of taking pictures, and it is characterized in that, described method comprises:

2. the method for claim 1, is characterized in that, before sending light-metering instruction to opposite end mobile terminal, described method comprises:

Revised described photometry result is used to carry out exposure compensating.

3. method as claimed in claim 2, is characterized in that, provide calibration option at default interface; Described calibration option is calibrated for the light sensor triggered for described opposite end mobile terminal; Receive and preserve the result that described opposite end mobile terminal carries out light-metering for the calibration object under difference exposure environment and comprise:

Monitor the trigger event for described calibration option;

4. method as claimed in claim 2, is characterized in that, described reception is also preserved the result that described opposite end mobile terminal carries out light-metering for the calibration object under difference exposure environment and also comprised:

5. method as claimed in claim 2, is characterized in that, describedly carries out correction for the result that the calibration object under difference exposure environment carries out light-metering to the described photometry result received according to described opposite end mobile terminal and comprises:

6. method as claimed in claim 4, it is characterized in that, the described default light source for simulating overexposure environment comprises photoflash lamp; The described predetermined registration operation for simulating environment of owing the to expose to the sun light-metering mouth comprised for the light sensor of described mobile terminal carries out the operation of blocking.

7. mobile terminal carries out a device of taking pictures, and it is characterized in that, described device comprises:

8. device as claimed in claim 7, it is characterized in that, described device also comprises:

Described photo module comprises:

9. device as claimed in claim 8, is characterized in that, provide calibration option at default interface; Described calibration option is calibrated for the light sensor triggered for opposite end mobile terminal;

Described second receiver module comprises:

10. device as claimed in claim 8, it is characterized in that, described second receiver module also comprises:

11. devices as claimed in claim 9, it is characterized in that, described correction submodule comprises:

12. devices as claimed in claim 10, is characterized in that, the described default light source for simulating overexposure environment comprises photoflash lamp; The described predetermined registration operation for simulating environment of owing the to expose to the sun light-metering mouth comprised for the light sensor of described mobile terminal carries out the operation of blocking.

The device that 13. 1 kinds of mobile terminals carry out taking pictures, is characterized in that, comprising:

Processor;

For the memory of storage of processor executable instruction;

Wherein, described processor is configured to: