CN106060398A

CN106060398A - Method for automatically adjusting camera and mobile terminal

Info

Publication number: CN106060398A
Application number: CN201610515354.9A
Authority: CN
Inventors: 杨相和
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2016-06-30
Filing date: 2016-06-30
Publication date: 2016-10-26

Abstract

The embodiment of the invention provides a method for automatically adjusting a camera and a mobile terminal, and relates to the technical field of the camera. The method comprises the steps of controlling the camera to focus a collected face in a process of carrying out image collection on a photographing scene by the camera; calculating a photographing angle of the camera based on the focusing data of the camera; determining a target photographing angle; and controlling the camera to rotate until the photographing angle of the camera is adjusted to the target photographing angle. When a user carries out photographing, especially when the user carries out selfie, the optimum photographing angle can be obtained according to the current photographing scene; the camera is automatically adjusted to the optimum angle; and the operation efficiency and photographing quality of the user are improved. The problem that when the user a user carries out the photographing or selfie, and it is inconvenient to carry out the photographing by employing an external selfie device, the satisfactory photographing angle cannot be obtained due to the limitation of the length of human arms and the limitation of the rotation angles of wrists is solved.

Description

A kind of method of automatic adjustment photographic head and mobile terminal

Technical field

The present invention relates to communication technical field, particularly relate to method and the mobile terminal of a kind of automatic adjustment photographic head.

Background technology

The development maked rapid progress along with electronic technology, electronic equipment is widely used in daily life, application the most universal In mobile terminals such as mobile phones by cam device, and along with increasing user can use mobile terminal camera take pictures or Person's camera function shoots, and the photographic head technology configured in the terminal is increasingly advanced, can meet people for shining Sheet or the high request of video quality, in addition the photographic head in mobile terminal is also equipped with the sensor of high-quality, high color figure place, Automatically focus on the Quality-Technology close to mm professional camera special, make user obtain high-quality shooting and experience.

And many times user use mobile terminal carry out shooting as time, when especially autodyning, due to user's hands Hold optional angle during mobile terminal is autodyned to be limited by position of human body, and there is significant limitation.Such as, When autodyning in a lot of scenes, owing to human body brachium is limited, the angle that wrist rotates is the most limited, so taking when autodyning Scape angle is the most unsatisfactory, and auto heterodyne effect is had a greatly reduced quality.

In actual applications, movement is ceaselessly rotated to more preferable angle, user to adjust mobile terminal camera Terminal is adjusted to preferable shooting angle.The selection external equipment that also has many consumers is autodyned, such as self-shooting bar or hands Machine support, utilizes self-shooting bar adjutage length to obtain more adjustable angle, or is placed on portable support frame support mobile terminal One fixing position, then shoot with auto heterodyne sensor control mobile terminal, although these external equipments are to a certain degree On increase shooting selectable position and angle, but be by mean of external auto heterodyne equipment and also have the biggest limitation, user is not Can carry external auto heterodyne equipment at any time, use external photographing device to carry out in the scene taken pictures being not suitable for, the use of user moves The shooting experience of dynamic terminal can be greatly reduced.

Summary of the invention

Embodiments provide method and the mobile terminal of a kind of automatic adjustment photographic head, to solve existing taking pictures In method, when user uses the shooting of mobile mobile terminal or autodynes, due to length limitation and the wrist anglec of rotation of human arm Degree restriction, and cause in the case of being inconvenient to use external auto heterodyne equipment can not obtain asking of satisfied shooting angle Topic.

First aspect, a kind of method embodiments providing automatic adjustment photographic head, including:

During photographic head carries out image acquisition to photographed scene, control the described photographic head face to being collected Focus；

Focus data based on described photographic head, calculates photographic head shooting angle；

Determine target shooting angle；

Control described photographic head to rotate, until described photographic head shooting angle is adjusted to described target shooting angle.

Second aspect, the embodiment of the present invention additionally provides a kind of mobile terminal, including the photographic head of rotatable 360 °, bag Include:

Face Focusing module, for during photographic head carries out image acquisition to photographed scene, controls described shooting The face collected is focused by head；

Shooting angle computing module, for focus data based on described photographic head, calculates photographic head shooting angle；

Target shooting angle determines module, is used for determining target shooting angle；

Photographic head rotary module, is used for controlling described photographic head and rotates, until described photographic head shooting angle adjusts For described target shooting angle.

So, in embodiments of the present invention, during photographed scene being carried out image acquisition at photographic head, control The face collected is focused by described photographic head；Focus data based on described photographic head, calculates photographic head shooting angle Degree；Determine target shooting angle；Control described photographic head to rotate, until described photographic head shooting angle is adjusted to described mesh Mark shooting angle.Solve user in shooting or when autodyning, due to the length limitation of human arm and the wrist anglec of rotation Limit, and in the case of being inconvenient to use external auto heterodyne equipment, it is impossible to the problem obtaining satisfied shooting angle.Achieve use When family uses mobile terminal shooting, user's arm can be saved or list action can use shooting preview automatically according to user The position of the reference object in interface, can obtain optimum shooting angle according to current photographed scene, automatically adjust shooting Head, to optimal angle, improves operating efficiency and quality of taking pictures.

Accompanying drawing explanation

In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below by institute in the description to the embodiment of the present invention The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only some enforcements of the present invention Example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings Obtain other accompanying drawing.

The flow chart of the method for a kind of automatic adjustment photographic head that Fig. 1 shows according to embodiments of the present invention in；

The concave and convex lenses imaging schematic diagram that Figure 1A shows according to embodiments of the present invention in one；

Figure 1B shows that a kind of user uses mobile terminal to carry out the exemplary plot taken pictures in one according to embodiments of the present invention；

The flow chart of the method for a kind of automatic adjustment photographic head that Fig. 2 shows according to embodiments of the present invention in two；

The flow chart of the method for a kind of automatic adjustment photographic head that Fig. 3 shows according to embodiments of the present invention in three；

The flow chart of the method for a kind of automatic adjustment photographic head that Fig. 4 shows according to embodiments of the present invention in four；

A kind of user that Fig. 4 A shows according to embodiments of the present invention in four rotates mobile phone and adjusts shooting angle exemplary plot；

The structured flowchart of a kind of mobile terminal that Fig. 5 shows according to embodiments of the present invention in five；

The structured flowchart of a kind of mobile terminal that Fig. 6 shows according to embodiments of the present invention in five；

The structured flowchart of a kind of mobile terminal that Fig. 7 shows according to embodiments of the present invention in five；

The structured flowchart of a kind of mobile terminal that Fig. 8 shows according to embodiments of the present invention in six；

Fig. 9 shows the structural representation of a kind of mobile terminal of according to embodiments of the present invention seven.

Detailed description of the invention

It is more fully described the exemplary embodiment of the disclosure below with reference to accompanying drawings.Although accompanying drawing shows the disclosure Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure and should be by embodiments set forth here Limited.On the contrary, it is provided that these embodiments are able to be best understood from the disclosure, and can be by the scope of the present disclosure Complete conveys to those skilled in the art.

Embodiment one

With reference to Fig. 1, it is shown that the flow chart of a kind of automatic adjustment photographic head method of the embodiment of the present invention one, the most permissible Comprise the steps:

Step 101, during photographic head carries out image acquisition to photographed scene, controls described photographic head to being gathered To face focus.

In actual applications, when mobile terminal uses, after user opens camera function, during especially autodyning, Mobile terminal camera uses face identification functions to focus on face.At present, the camera of most of mobile terminals may be provided with face survey Light, some light-metering, the photometric system surrounding light-metering and 5 points, the focusing system of 9 sections, by identifying the eye in shooting preview picture Face as the theme of shooting, is arranged standard by the characteristic information such as eyeball, face, the face location in lock preview picture, and active True focal length and light exposure, it is ensured that the clear and exposure of face is accurate, and when having multiple personage in shooting preview picture, people Face identification function can also work accurately, identifies main object, and certain mobile terminal can possess plurality of human faces identification merit Can, lock multiple character face simultaneously, adjust and make clearly.

Step 102, focus data based on described photographic head, calculate photographic head shooting angle.

In actual applications, the optical design of camera lens can determine the nearest focal distance of camera lens, the depth of field, the visual field Height, the height of the effective imaging surface of camera, the parameter such as camera lens amplification and apart, by these parameters, can calculate Go out the distance of current shooting object and camera lens.

Such as the description concave and convex lenses image-forming principle in Figure 1A, wherein I is concave-concave convex lens, it is believed that be camera lens, and Z is vertical Direct light axle, is the perpendicular bisector of concave and convex lenses I, and object distance OD is the reference object distance to taking lens perpendicular bisector Z, and image distance ImD is mirror Head perpendicular bisector is to the distance of image plane, and object distance OD is the difference of nearest focal distance MinFD and image distance ImD, and image distance is with recently Focal distance is also the known optical parameter of camera lens, so deducting the difference of image distance by nearest focal distance to calculate thing Away from, as shown in formula (1), wherein MinFD is nearest focal distance, and OD is object distance, and ImD is image distance.In addition, reference object Ab is by catoptric imaging in image plane X, and a point imaging point in image plane X is d, and b point imaging point in image plane X is Height between c, ab is exactly the height of reference object, also makes thing high, represents with letter h, and the height between cd is that this shooting is right As the image height in image plane, referred to as image height, representing with letter i, image height i can be corresponding through the pixel of image retrieving apparatus Size calculated and learnt, and the ratio of image height i and thing height h is enlargement ratio, and enlargement ratio is known camera lens light Learn parameter, so the value of thing height h can be calculated by formula (2).

OD=MinFD-ImD (1)

h = \frac{i}{A m F} - - - (2)

After calculating object distance OD and thing height h respectively by the method for formula (1) and formula (2), in conjunction with the description of Figure 1B In it will be seen that A is mobile terminal, may be considered here user use the mobile phone that can take pictures, B is reference object, this In can be understood as face, C is reference object, it is to be understood that be people's foot, if can calculate camera lens by formula (1) Distance with reference object, then camera focusing face in fig. ib, it is possible to calculate photographic head distance L1 to face, phase Machine focusing people's foot, it is also possible to calculate photographic head distance L2 to people's foot, if camera focusing is whole humanoid, formula can be passed through (2) calculate human height, namely thing height h, be also the L3 in Figure 1B, in the case of L1, L2, L3 are known, just utilizing String theorem can calculate in Figure 1BValue, formula (3) is as follows:

c o s &angle; \partial = \frac{L 1^{2} + L 2^{2} - L 3^{2}}{2 \cdot L 1 \cdot L 2} - - - (3)

CalculatingValue after, according to the mark of the extended line in the CB direction of Figure 1B can be seen that 180 degree with Difference equal with the value of ∠ θ, ∠ θ is the angle between the ground vertical line of L1 and mobile phone, is also the shooting angle of Current camera, Computing formula is as follows:

Certainly, in actual applications, after camera identifies reference object, B point and C point in Figure 1B can be that shooting is right The top edge boundary point of elephant and lower limb boundary point, such as when focusing face, B point can be head part top, and C point can be People's chin bottom.In addition, L1, L2, L3 can also utilize depth camera to calculate.So, shooting angle ∠ θ can also Being calculated by multiple method, this is not any limitation as by the embodiment of the present invention.

Step 103, determines target shooting angle.

In actual applications, when user uses camera to take pictures, the image going out current shooting angle shot is discontented with During meaning, can ask to obtain shooting angle by other means, such as, can use default shooting angle, and by default shooting Angle is as current target shooting angle.Such as, when user uses mobile phone to autodyne, the 45 degree of angles preset can be selected as working as Front auto heterodyne angle.

Step 104, controls described photographic head and rotates, until described photographic head shooting angle is adjusted to described target and claps Take the photograph angle.

In embodiments of the present invention, after determining target shooting angle, above-mentioned angle can be sent to mobile terminal Processor, mobile terminal processor controls photographic head and carries out rotating to above-mentioned target shooting angle, waits user's shooting.

In embodiments of the present invention, by when user uses mobile terminal to take pictures, auto-focusing face, and pass through Focus data under the optical parametric of current lens and current preview scene calculates current shooting angle, then determines that target shoots angle Degree, photographic head is automatically rotated to target shooting angle and waits user's shooting, and user can be no longer when using mobile terminal shooting Active rotation mobile phone adjusts shooting angle, and photographic head is automatically rotated to customer satisfaction system shooting angle, decreases user's initiative Adjusting operation, the shooting that improve user is experienced.

Embodiment two

With reference to Fig. 2, it is shown that the flow chart of a kind of automatic adjustment photographic head of the embodiment of the present invention two, specifically can include Following steps:

Step 201, during photographic head carries out image acquisition to photographed scene, control described photographic head to being gathered To face focus.

This step is identical with the step 101 in embodiment one, the most no longer describes in detail.

Step 202, focus data based on described photographic head, calculate described photographic head and the described face collected First distance and second distance.

In embodiments of the present invention, according to the step 102 in embodiment one, Figure 1A and Figure 1B, by face auto-focusing, Camera can identify facial contour, according to upper limb boundary point and the lower edge boundary point of face, can be apical head and chin Lower edge, by this focus data of 2, and formula (1) and the computational methods of formula (2), camera mirror can be calculated respectively Head is to this distance of 2 above-mentioned, and calculates the height of face, and namely L1, L2 and L3 in Figure 1B, L1 can be understood as Camera and the first distance of face, L2 can be understood as the second distance of camera and face.

Step 203, based on described first distance and described second distance, calculate the first of described photographic head and perpendicular Angle.

In embodiments of the present invention, according to step 202, after being calculated the first distance and second distance, image height i can be through Cross size corresponding to the pixel of image retrieving apparatus to be calculated and learn, then calculate shooting by the formula (2) in Figure 1A The height of object, namely L3 in Figure 1B, it is possible to use the method mentioned in step 102 in embodiment one calculate photographic head with Perpendicular angle ∠ θ, ∠ θ can be understood as the first angle in this step.

Step 204, described first angle is defined as described photographic head shooting angle.

In actual applications, when using camera to take pictures, no matter how mobile terminal is rotated by user, perpendicular It is changeless, so the angle of reference mobile terminal and perpendicular is as the shooting angle of current mobile terminal photographic head Degree, determines the shooting angle for current shooting object that ∠ θ is current mobile terminal.

Wherein, described first distance is the air line distance between described photographic head and described face, and described second distance is Air line distance between the sole of described photographic head human body corresponding with described face.

Wherein, the first distance and second distance are it can be appreciated that camera lens and reference object upper limb border and lower rim The distance on boundary, such as, when shooting face, can be camera lens to the crown with to the air line distance of chin, the embodiment of the present invention This is not any limitation as.

Step 205, a frame preview image of acquisition camera collection.

In actual applications, when user enters the camera exposal model of mobile terminal, camera exposal model will enter Take pictures preview mode, reference object can be focused under preview mode of taking pictures, adjust exposure according to current shooting environment Etc. data of taking pictures, so after user confirms reference object, phase chance obtains the two field picture under current preview pattern automatically, slow It is stored in mobile terminal, enters next step.

Step 206, send described preview image to Cloud Server.

According to step 205, after the two field picture under acquisition for mobile terminal current preview pattern is cached in mobile terminal, Above-mentioned image is sent to Cloud Server, and in Cloud Server, storage is the view data uploaded of various user, Cloud Server meeting According to the acquisition parameters that the above-mentioned image received and this image are corresponding, such as background environment, exposure in all view data Luminosity, aperture, focal length etc., Cloud Server may search for the image with this image similarity according to these parameters, and in these phases Like view data finds optimum, such as, obtain according to parameters such as these image background environment, exposure, aperture, focal lengths Image, it is most that other users use, or evaluates the most high standard, selects optimum image, then obtains this similar image Shooting angle, and this shooting angle return to user use mobile terminal.

Step 207, receive described Cloud Server send shooting angle data.

According to step 206, the mobile terminal that user uses receives the shooting angle that Cloud Server returns.

Step 208, described shooting angle data are defined as described target shooting angle.

According to step 207, after mobile terminal receives the shooting angle that Cloud Server returns, determine this bat received Taking the photograph angle is the target shooting angle that current shooting object is to be used.

Wherein, described shooting angle data are that described Cloud Server is based on the parameter information institute of taking pictures in described preview image The shooting angle determined.

Preferably, parameter information of taking pictures described at least includes face institute in focus data, the exposure of background environment, photo One or more in place position, shooting angle.

Wherein, Cloud Server can include a lot of parameter with reference to the parameter information of taking pictures of preview image, it is not limited to right Face present position, shooting angle in burnt data, the exposure of background environment, photo, this is not limited by the embodiment of the present invention System.

Step 209, control described photographic head and rotate, until described photographic head shooting angle is adjusted to described target and claps Take the photograph angle.

In actual applications, shooting can be adjusted according to this target shooting angle after mobile terminal obtains target shooting angle Head rotates up and down, can compare the difference of current shooting angle and target shooting angle, directly during rotation always After turning to target shooting angle, prompting user takes pictures.

In embodiments of the present invention, by when user uses mobile terminal to take pictures, auto-focusing face, and pass through Focus data under the optical parametric of current lens and current preview scene calculates current shooting angle, and will have this shooting angle The preview image of degree uploads Cloud Server, and Cloud Server, according to the acquisition parameters information of this image, finds and this image similarity Image, and the shooting angle of similar image is returned to mobile terminal, determine that this passback angle is target shooting angle, photographic head Being automatically rotated to target shooting angle and wait user's shooting, user uses mobile terminal shooting can need not active accommodation mobile phone Find optimum shooting angle, but obtain current optimum shooting angle by cloud service, further decrease user's Active operation, while being user-friendly to, the shooting substantially increasing user is experienced.

Embodiment three

With reference to Fig. 3, it is shown that the flow chart of a kind of automatic adjustment photographic head of the embodiment of the present invention three, specifically can include Following steps:

Step 301, during photographic head carries out image acquisition to photographed scene, control described photographic head to being gathered To face focus；

This step is identical with the step 201 in embodiment one, the most no longer describes in detail.

Step 302, focus data based on described photographic head, calculate described photographic head and the described face collected First distance and second distance；

This step is identical with the step 202 in embodiment one, the most no longer describes in detail.

Step 303, based on described first distance and described second distance, calculate the height line of described human body；

In embodiments of the present invention, the computational methods proposed by step 102 in embodiment one, by the description of Figure 1A and The computational methods of formula (2), when the enlargement ratio of known Current camera, image height i can be through the pixel pair of image retrieving apparatus The size answered is calculated to be learnt, then thing height h can also calculate, and thing height h is equivalent to the L3 in Figure 1B, if shoot right As time whole human body time, thing height h i.e. Human Height line.

Step 304, the second angle calculated between described first distance and the height line of described human body.

According to first distance calculated in step 303, second distance and Human Height line, it is simply that L1 in Figure 1B, The value of L2, L3, can calculate according to sine in formula (3)Value,May be considered the first distance and described The second angle between the height line of human body, namely angle between L1 and L3 in Figure 1B.

Step 305, the difference between 180 degree and the second angle is defined as described first angle.

According to step 304, according to the computational methods of formula (4), calculate 180 degree andDifference, it is simply that 180 degree and second Difference between angle, confirms that the angle that this mathematic interpolation goes out is described first angle, the extended line in the CB direction of Figure 1B Mark can be seen that 180 degree withDifference equal with the value of ∠ θ, ∠ θ is the angle between the ground vertical line of L1 and mobile phone, Also it is the shooting angle ∠ θ of Current camera, is also the first angle of this step definition.

Step 306, described first angle is defined as described photographic head shooting angle.

According to step 305, after calculating this described first angle, determine the shooting angle that this angle is photographic head.

In actual applications, after calculating ∠ θ, mobile terminal processor confirms that ∠ θ is the shooting of current photographic head correspondence The shooting angle of object.

Step 307, to server send target shooting angle obtain request.

In actual applications, after user shoots photo, all can actively or automatically uploaded current shooting by mobile terminal Photo is in server, and server record is the view data of user's history shooting, when user enters the camera of mobile terminal During exposal model, camera exposal model will enter preview mode of taking pictures, and now mobile terminal can think that server sends a mesh Mark shooting angle obtains request.

If step 308 does not receives the shooting angle data that described server returns, then prestore from described mobile terminal Shooting angle data in make a look up.

In actual applications, if target shooting angle obtains after exceeding default time threshold after request sends, then it is assumed that Target shooting angle obtains asks unsuccessfully, and then mobile terminal can be searched for and current preview figure in mobile terminal image storage As similar shooting image, and reading its acquisition parameters information, such as background environment, exposure, aperture, focal length etc., carried out Comparison.Wherein, server can also include focusing with reference to the parameter information of taking pictures of preview image the classification of object, such as portrait or Person's landscape, it is not limited to face present position, shooting angle in focus data, the exposure of background environment, photo, the present invention This is not any limitation as by embodiment.

If step 309 can find and take the photograph angle-data, then the shooting angle data found are defined as described target and clap Take the photograph angle.

According to step 308, if finding similar history shooting image, then the shooting angle of this image is defined as current pre- Looking at the target shooting angle in picture, if finding multiple similar history shooting images, then selecting these images use at most Shooting angle be the target shooting angle in current preview picture.

Step 310, control described photographic head and rotate, until described photographic head shooting angle is adjusted to described target and claps Take the photograph angle.

Preferably, described after server sends the step that target shooting angle obtains request, also include: if receiving The shooting angle data that described server returns, then be defined as described target shooting angle by the shooting angle data received.

In actual applications, if after target shooting angle obtains request transmission, the request that server sends according to user In the acquisition parameters information of preview image that comprises, in the history image data that user uploads, find one there is similar bat Take the photograph the history image of parameter, then the shooting angle of this image is returned.If finding multiple in the server there is similar bat Take the photograph the history image of parameter, then the image that the shooting angle selecting user's access times most corresponds to, and by the bat of this image Take the photograph angle to return.

Preferably, after the step made a look up in the described shooting angle data prestored from described mobile terminal, also Including: take the photograph angle-data if not finding, then predetermined angle is defined as described target shooting angle.

In actual applications, if sending target shooting angle to server to obtain request, when exceeding default after transmission Between after threshold value, then it is assumed that target shooting angle obtains asks unsuccessfully, and then mobile terminal can be in mobile terminal image storage Search for the shooting image similar to present preview image, and in mobile terminal memory, do not find similar view data In the case of, then predetermined angle is defined as described target shooting angle, above-mentioned predetermined angle can be arranged in advance by user oneself, Can also be the automatic default number of mobile terminal, this be any limitation as by the embodiment of the present invention.

In embodiments of the present invention, by when user uses mobile terminal to take pictures, auto-focusing face, and pass through Focus data under the optical parametric of current lens and current preview scene calculates current shooting angle, and sends mesh to server Mark shooting angle obtains request, and server returns shooting angle, if server does not has data, looks at this mobile terminal memory Look for shooting angle, if the most not, use predetermined angle as shooting angle.When user uses mobile terminal to shoot, angle is subject to Limiting and want to use and optimize the problem that angle carries out taking pictures, especially when autodyning, user uses mobile terminal shooting to be not required to Want the shooting angle that active accommodation mobile phone searching is optimum, but by service or local storage obtain current optimum bat Take the photograph angle, further decrease the active operation of user, while being user-friendly to, substantially increase the shooting body of user Test.

Embodiment four

With reference to Fig. 4, it is shown that the flow chart of a kind of automatic adjustment photographic head of the embodiment of the present invention four, specifically can include Following steps:

Step 401, during photographic head carries out image acquisition to photographed scene, control described photographic head to being gathered To face focus.

This step is identical with the step 301 in embodiment one, the most no longer describes in detail.

Step 402, focus data based on described photographic head, calculate described photographic head and the described face collected First distance and second distance.

This step is identical with the step 302 in embodiment one, the most no longer describes in detail.

Step 403, based on described first distance and described second distance, calculate the height line of described human body.

This step is identical with the step 303 in embodiment one, the most no longer describes in detail.

Step 404, the second angle calculated between described first distance and the height line of described human body.

This step is identical with the step 304 in embodiment one, the most no longer describes in detail.

Step 405, the difference between 180 degree and the second angle is defined as described first angle.

This step is identical with the step 305 in embodiment one, the most no longer describes in detail.

Step 406, described first angle is defined as described photographic head shooting angle.

This step is identical with the step 306 in embodiment one, the most no longer describes in detail.

Step 407, control described photographic head and rotate.

In actual applications, user, in order to find satisfied shooting angle, can ceaselessly rotate upwardly and downwardly mobile terminal, check Preview image, until finding satisfied shooting angle to shoot.Such as description in Fig. 4 A, lines can be mobile terminal Side schematic view, after user determines reference object, wrist rotation adjusts mobile phone and turns to position B from position A, looks between See that preview image finds satisfied preview image.

Step 408, in described photographic head rotary course, gather a frame preview image every Preset Time, and preserve institute State the shooting angle of preview image.

According to step 407, during rotating, mobile terminal can cache preview graph within a default interval time Picture, and record the acquisition parameters information of this image.Such as, Preset Time is 0.2 second, describes in Figure 4 A, user by hands Machine turns to position B time-consuming 2 seconds from position A, then mobile terminal has cached 10 preview images and corresponding acquisition parameters Information.

Step 409, shooting angle based on all described preview images, determine described target shooting angle.

In actual applications, according to step 408, mobile terminal according to caching in these 10 preview images, the position of face, The acquisition parameters information such as definition, exposure, focal length find a conduct reference image of optimum, by the bat corresponding with reference to image Taking the photograph angle-determining is target shooting angle.

Wherein, acquisition parameters information is not limited to the position of face, definition, exposure, focal length, and the embodiment of the present invention is to this It is not any limitation as.

Step 410, control described photographic head and rotate, until described photographic head shooting angle is adjusted to described target and claps Take the photograph angle.

Preferably, the described photographic head of described control rotates, until described photographic head shooting angle is adjusted to described mesh After the step of mark shooting angle, also include:

In the shooting angle data prestored described in described target shooting angle is updated to, and by described target shooting angle It is uploaded to described server and Cloud Server.

In actual applications, user can be arranged after shooting completes an image, automatically upload onto the server or Cloud Server, it is also possible to the image arranging some photograph album uploads onto the server and Cloud Server automatically, certainly during this image certainly Moving and be stored in mobile terminal memory, in addition, user can also manually upload images onto server and Cloud Server, This is not any limitation as by the embodiment of the present invention.It addition, the image uploaded includes the acquisition parameters information of correspondence, such as shooting angle, Shooting background, exposure etc., acquisition parameters information can also is that the classification of reference object, and such as portrait or landscape, the present invention is real Execute example this is not any limitation as

In embodiments of the present invention, by when user uses mobile terminal to take pictures, auto-focusing face, and pass through Focus data under the optical parametric of current lens and current preview scene calculates current shooting angle, and rotates mobile phone user When adjusting the shooting angle finding satisfaction, mobile terminal is buffered in the shooting image in rotation process automatically, actively searches for user The preview image that rope is optimum, using the corresponding shooting angle of optimum preview graph as target shooting angle.User uses movement Can need not during terminal taking adjust the shooting angle that mobile phone searching is optimum for a long time, but adjusted by mobile terminal Journey is helped automatically user find current optimum shooting angle, further decrease user and adjust mobile phone searching and most preferably shoot angle The time of degree, while being user-friendly to, the shooting substantially increasing user is experienced.

Embodiment five

With reference to Fig. 5, it is shown that the structured flowchart of a kind of mobile terminal of the embodiment of the present invention five.

The mobile terminal 500 of the embodiment of the present invention includes that the photographic head of rotatable 360 °, mobile terminal 500 also include: people Face Focusing module 501, shooting angle computing module 502, target shooting angle determine module 503, photographic head rotary module 504.

Interactive relation function and each module of each module between is discussed in detail separately below.

Face Focusing module 501, for during photographic head carries out image acquisition to photographed scene, takes the photograph described in control As the face collected is focused by head；

Shooting angle computing module 502, for focus data based on described photographic head, calculates photographic head shooting angle. Optionally, shooting angle computing module 502 may include that distance calculating sub module 5021, for based on described photographic head right Burnt data, calculate described photographic head and the first distance of the described face collected and second distance；First angle calcu-lation Module 5022, for based on described distance calculated first distance of calculating sub module and described second distance, calculates described Photographic head and the first angle of perpendicular；Optionally, the first angle calcu-lation submodule 5022 may further include: human body body High line computation unit 50221, is used for based on described distance calculated first distance of calculating sub module and described second distance, Calculate the height line of described human body；Second angle calcu-lation unit 50222, is used for calculating described first distance and described Human Height The second angle between the height line of the calculated human body of line computation unit；First angle calcu-lation unit 50223, being used for will Difference between 180 degree and second angle obtained of described second angle calcu-lation unit calculating is defined as described first angle. Shooting angle determines submodule 5023, for described first calculated first angle of angle calcu-lation submodule is defined as institute State photographic head shooting angle.

Target shooting angle determines module 503, for determining target shooting angle.Optionally, target shooting angle determines Module 503 may include that preview image obtains submodule 5031, for obtaining a frame preview image of camera collection；Preview Image sends submodule 5032, obtains the preview image of submodule acquisition to Cloud Server for sending described preview image；Clap Take the photograph angular acceptance submodule 5033, for receiving the shooting angle data that described Cloud Server sends；High in the clouds target shooting angle Determine submodule 5034, the shooting angle data that described shooting angle reception submodule receives are defined as the shooting of described target Angle；

With reference to shown in Fig. 6, optionally, target shooting angle determines module 503, for determining target shooting angle.Optional , target shooting angle determines that module 503 can also include: target shooting angle request submodule 5131, for server Send target shooting angle and obtain request；Optionally, after target shooting angle request submodule 5131, it is also possible to including: Determine that server returns shooting angle submodule 5132, if for receiving the shooting angle data that described server returns, then The shooting angle data received are defined as described target shooting angle.Local acquisition shooting angle submodule 5133, is used for If not receiving the shooting angle data that described server returns, then in the shooting angle data prestored from described mobile terminal Make a look up；Optionally, after this locality obtains shooting angle submodule 5133, it is also possible to comprise determining that predetermined angle is bat Taking the photograph angle submodule 5134, if taking the photograph angle-data for not finding, then predetermined angle being defined as described target shooting angle. Local target shooting angle determines submodule 5135, if taking the photograph for being found by described local acquisition shooting angle submodule Angle-data, then be defined as described target shooting angle by the shooting angle data found.

With reference to shown in Fig. 7, optionally, target shooting angle determines module 503, for determining target shooting angle.Optional , target shooting angle determines that module 503 may include that photographic head gyrator module 5231, is used for controlling described photographic head and enters Row rotates；Preview image gathers submodule 5232, in described photographic head rotary course, gathers a frame every Preset Time Preview image, and preserve the shooting angle of described preview image；Target shooting angle determines submodule 5233, for based on all The shooting angle of described preview image, determines described target shooting angle.

Photographic head rotary module 504, is used for controlling described photographic head and rotates, until described photographic head shooting angle is adjusted Whole for described target shooting angle.

Optionally, parameter information of taking pictures described at least includes face institute in focus data, the exposure of background environment, photo One or more in place position, shooting angle.

Optionally, after photographic head rotary module 504, it is also possible to including: transmission module 505 in target shooting angle, it is used for In the shooting angle data prestored described in described target shooting angle being updated to, and described target shooting angle is uploaded to institute State server and Cloud Server.

Embodiment six

With reference to Fig. 8, it is shown that the structured flowchart of the mobile terminal of the embodiment of the present invention six.

The mobile terminal 800 of the embodiment of the present invention includes: at least one processor 801, memorizer 802, at least one net Network interface 804 and user interface 803 and assembly 806 of taking pictures, assembly 806 of taking pictures includes the photographic head of rotatable 360 °.Mobile Each assembly in terminal 800 is coupled by bus system 805.It is understood that bus system 805 is used for realizing these groups Connection communication between part.Bus system 805, in addition to including data/address bus, also includes power bus, controls bus and state Signal bus.But for the sake of understanding explanation, in fig. 8 various buses are all designated as bus system 805.

Wherein, user interface 803 can include display, keyboard or pointing device (such as, mouse, trace ball (trackball), touch-sensitive plate or touch screen etc..

The memorizer 802 being appreciated that in the embodiment of the present invention can be volatile memory or nonvolatile memory, Maybe can include volatibility and nonvolatile memory.Wherein, nonvolatile memory can be read only memory (Read- OnlyMemory, ROM), programmable read only memory (ProgrammableROM, PROM), Erasable Programmable Read Only Memory EPROM (ErasablePROM, EPROM), Electrically Erasable Read Only Memory (ElectricallyEPROM, EEPROM) or sudden strain of a muscle Deposit.Volatile memory can be random access memory (RandomAccessMemory, RAM), and it is used as outside the most slow Deposit.By exemplary but be not restricted explanation, the RAM of many forms can use, such as static RAM (StaticRAM, SRAM), dynamic random access memory (DynamicRAM, DRAM), Synchronous Dynamic Random Access Memory (SynchronousDRAM, SDRAM), double data speed synchronous dynamic RAM (DoubleDataRate SDRAM, DDRSDRAM), enhancement mode Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links Dynamic random access memory (SynchlinkDRAM, SLDRAM) and direct rambus random access memory (DirectRambusRAM, DRRAM).The memorizer 802 of the system and method that the embodiment of the present invention describes is intended to include but does not limits In these and the memorizer of any other applicable type.

In some embodiments, memorizer 802 stores following element, executable module or data structure, or Their subset of person, or their superset: operating system 8021 and application program 8022.

Wherein, operating system 8021, comprise various system program, such as ccf layer, core library layer, driving layer etc., be used for Realize various basic business and process hardware based task.Application program 8022, comprises various application program, such as media Player (MediaPlayer), browser (Browser) etc., be used for realizing various applied business.Realize embodiment of the present invention side The program of method may be embodied in application program 8022.

In embodiments of the present invention, by calling program or the instruction of memorizer 802 storage, concrete, can be application The program stored in program 8022 or instruction, processor 801 is for carrying out the process of image acquisition at photographic head to photographed scene In, control described photographic head and the face collected is focused；Focus data based on described photographic head, calculates photographic head Shooting angle；Determine target shooting angle；Control described photographic head to rotate, until described photographic head shooting angle is adjusted to Described target shooting angle.

The method that the invention described above embodiment discloses can apply in processor 801, or is realized by processor 801. Processor 801 is probably a kind of IC chip, has the disposal ability of signal.During realizing, said method each Step can be completed by the instruction of the integrated logic circuit of the hardware in processor 801 or software form.Above-mentioned process Device 801 can be general processor, digital signal processor (DigitalSignalProcessor, DSP), special IC (ApplicationSpecific IntegratedCircuit, ASIC), ready-made programmable gate array (FieldProgrammableGateArray, FPGA) or other PLDs, discrete gate or transistor logic Device, discrete hardware components.Can realize or perform disclosed each method, step and the box in the embodiment of the present invention Figure.The processor etc. that general processor can be microprocessor or this processor can also be any routine.In conjunction with the present invention The step of the method disclosed in embodiment can be embodied directly in hardware decoding processor and perform, or uses decoding processor In hardware and software module combination execution complete.Software module may be located at random access memory, and flash memory, read only memory can In the storage medium that this areas such as program read-only memory or electrically erasable programmable memorizer, depositor are ripe.This storage Medium is positioned at memorizer 802, and processor 801 reads the information in memorizer 802, completes the step of said method in conjunction with its hardware Suddenly.

It is understood that the embodiment of the present invention describe these embodiments can use hardware, software, firmware, middleware, Microcode or a combination thereof realize.Realizing for hardware, processing unit can be implemented in one or more special IC (ApplicationSpecificIntegratedCircuits, ASIC), digital signal processor (DigitalSignalProcessing, DSP), digital signal processing appts (DSPDevice, DSPD), programmable logic device (ProgrammableLogicDevice, PLD), field programmable gate array (Field-ProgrammableGateArray, FPGA), general processor, controller, microcontroller, microprocessor, for performing other electronics list of herein described function In unit or a combination thereof.

Software is realized, can come by performing the module (such as process, function etc.) of function described in the embodiment of the present invention Realize the technology described in the embodiment of the present invention.Software code is storable in performing in memorizer and by processor.Memorizer can Within a processor or to realize outside processor.

Alternatively, processor 801 is in described focus data based on described photographic head, when calculating photographic head shooting angle, It is additionally operable to: focus data based on described photographic head, calculates described photographic head and the first distance of the described face collected And second distance；Based on described first distance and described second distance, calculate the first angle of described photographic head and perpendicular； Described first angle is defined as described photographic head shooting angle；Wherein, described first distance is described photographic head and described people Air line distance between face, described second distance be straight line between the sole of described photographic head human body corresponding with described face away from From.

Alternatively, processor 801 described based on described first distance and described second distance, calculate described photographic head with During the first angle of perpendicular, it is additionally operable to: based on described first distance and described second distance, calculate the height of described human body Line；Calculate the second angle between described first distance and the height line of described human body；By the difference between 180 degree and the second angle Value is defined as described first angle.

Alternatively, processor 801 described determine target shooting angle time, be additionally operable to: obtain camera collection a frame Preview image；Send described preview image to Cloud Server；Receive the shooting angle data that described Cloud Server sends；By described Shooting angle data are defined as described target shooting angle；Wherein, described shooting angle data are that described Cloud Server is based on institute State the shooting angle determined by parameter information of taking pictures in preview image.

Alternatively, processor 801 described determine target shooting angle time, be additionally operable to: to server send target shooting Angle obtains request；If not receiving the shooting angle data that described server returns, then prestore from described mobile terminal Shooting angle data make a look up；If finding and taking the photograph angle-data, then the shooting angle data found are defined as institute State target shooting angle.

Alternatively, processor 801 described to server send target shooting angle obtain request time, be additionally operable to: if connecing Receive the shooting angle data that described server returns, then the shooting angle data received are defined as described target shooting angle Degree.

Alternatively, when processor 801 makes a look up in the described shooting angle data prestored from described mobile terminal, It is additionally operable to: take the photograph angle-data if not finding, then predetermined angle is defined as described target shooting angle.

Alternatively, processor 801, when determining target shooting angle, is additionally operable to: controls described photographic head and rotates；? In described photographic head rotary course, gather a frame preview image every Preset Time, and preserve the shooting angle of described preview image Degree；Shooting angle based on all described preview images, determine described target shooting angle.

Alternatively, processor 801 rotates at the described photographic head of described control, until described photographic head shooting angle is adjusted Whole for described target shooting angle after, be additionally operable to: the shooting angle number prestored described in described target shooting angle is updated to According to, and described target shooting angle is uploaded to described server and Cloud Server.

Alternatively, parameter information of taking pictures described in processor 801 process at least includes the exposure of focus data, background environment One or more in face present position, shooting angle in degree, photo.

Mobile terminal 800 is capable of each process that in previous embodiment, mobile terminal realizes, for avoiding repeating, here Repeat no more.

In embodiments of the present invention, the hidden bat pattern of the photographic head of 360 ° of rotations of mobile terminal can be triggered, by described The original preview image picture of 360 ° of photographic head rotated is processed as thumbnail image, and is shown by described thumbnail image described mobile whole In the display interface of end, simultaneously close off the shooting miscellaneous function of described 360 ° of photographic head place mobile terminals rotated, described bat Take the photograph miscellaneous function and include flash lamp, shutter sound, and then receive the operational order that user inputs, and perform shooting according to operational order Operation.Thus reducing user is using mobile terminal that uncivil behavior is carried out the shooting behavior quilt that shooting etc. is not intended to be found Regard as the probability of shooting, and then the trouble caused because taking pictures and the loss of user can be reduced.

Embodiment seven

With reference to Fig. 9, it is shown that the structural representation of the mobile terminal of the embodiment of the present invention seven.

The mobile terminal 900 of the embodiment of the present invention can be mobile phone, panel computer, personal digital assistant (PersonalDigital Assistant, PDA) or vehicle-mounted computer etc..

Mobile terminal 900 in Fig. 9 includes radio frequency (RadioFrequency, RF) circuit 910, memorizer 920, input list Unit 930, display unit 940, processor 960, voicefrequency circuit 970, WiFi (WirelessFidelity) module 980, power supply 990 With assembly 9110 of taking pictures, assembly 9110 of taking pictures includes the photographic head of rotatable 360 °.

Wherein, input block 930 can be used for receiving numeral or the character information of user's input, and produces and mobile terminal The user setup of 900 and function control relevant signal input.Specifically, in the embodiment of the present invention, this input block 930 can To include contact panel 931.Contact panel 931, also referred to as touch screen, can collect user thereon or neighbouring touch operation (such as user uses any applicable object such as finger, stylus or adnexa operation on contact panel 931), and according in advance The formula set drives corresponding attachment means.Optionally, contact panel 931 can include touch detecting apparatus and touch controller Two parts.Wherein, the touch orientation of touch detecting apparatus detection user, and detect the signal that touch operation brings, by signal Send touch controller to；Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate, Give this processor 960 again, and order that processor 960 sends can be received and performed.Furthermore, it is possible to employing resistance-type, The polytypes such as condenser type, infrared ray and surface acoustic wave realize contact panel 931.Except contact panel 931, input block 930 can also include other input equipments 932, and other input equipments 932 can include but not limited to physical keyboard, function key One or more in (such as volume control button, switch key etc.), trace ball, mouse, action bars etc..

Wherein, display unit 940 can be used for showing the information inputted by user or the information being supplied to user and movement The various menu interfaces of terminal 900.Display unit 940 can include display floater 941, optionally, can use LCD or organic The forms such as optical diode (OrganicLight-EmittingDiode, OLED) configure display floater 941.

It should be noted that contact panel 931 can cover display floater 941, formed and touch display screen, when this touch display screen is examined Measure thereon or after neighbouring touch operation, send processor 960 to determine the type of touch event, with preprocessor 960 provide corresponding visual output according to the type of touch event on touch display screen.

Touch display screen and include Application Program Interface viewing area and conventional control viewing area.This Application Program Interface viewing area And the arrangement mode of this conventional control viewing area does not limit, can be arranged above and below, left-right situs etc. can be distinguished two and show Show the arrangement mode in district.This Application Program Interface viewing area is displayed for the interface of application program.Each interface is permissible The interface elements such as the icon and/or the widget desktop control that comprise at least one application program.This Application Program Interface viewing area It can also be the empty interface not comprising any content.This conventional control viewing area is for showing the control that utilization rate is higher, such as, The application icons etc. such as settings button, interface numbering, scroll bar, phone directory icon.

Assembly 9110 of taking pictures may be used to receive the preview image of photographic head acquisition and show in mobile terminal display interface, And complete to take pictures or camera operation according to the operation of user.

Wherein processor 960 is the control centre of mobile terminal 900, utilizes various interface and the whole mobile phone of connection Various piece, is stored in the software program in first memory 921 and/or module by running or performing, and calls storage Data in second memory 922, perform the various functions of mobile terminal 900 and process data, thus to mobile terminal 900 Carry out integral monitoring.Optionally, processor 960 can include one or more processing unit.

In embodiments of the present invention, by call the software program and/or module stored in this first memory 921 and/ Or the data in this second memory 922, processor 960 is for carrying out the process of image acquisition at photographic head to photographed scene In, control described photographic head and the face collected is focused；Focus data based on described photographic head, calculates photographic head Shooting angle；Determine target shooting angle；Control described photographic head to rotate, until described photographic head shooting angle is adjusted to Described target shooting angle.

Alternatively, processor 960 is in described focus data based on described photographic head, when calculating photographic head shooting angle, It is additionally operable to: focus data based on described photographic head, calculates described photographic head and the first distance of the described face collected And second distance；Based on described first distance and described second distance, calculate the first angle of described photographic head and perpendicular； Described first angle is defined as described photographic head shooting angle；Wherein, described first distance is described photographic head and described people Air line distance between face, described second distance be straight line between the sole of described photographic head human body corresponding with described face away from From.

Alternatively, processor 960 described based on described first distance and described second distance, calculate described photographic head with During the first angle of perpendicular, it is additionally operable to: based on described first distance and described second distance, calculate the height of described human body Line；Calculate the second angle between described first distance and the height line of described human body；By the difference between 180 degree and the second angle Value is defined as described first angle.

Alternatively, processor 960 described determine target shooting angle time, be additionally operable to: obtain camera collection a frame Preview image；Send described preview image to Cloud Server；Receive the shooting angle data that described Cloud Server sends；By described Shooting angle data are defined as described target shooting angle；Wherein, described shooting angle data are that described Cloud Server is based on institute State the shooting angle determined by parameter information of taking pictures in preview image.

Alternatively, processor 960 described determine target shooting angle time, be additionally operable to: to server send target shooting Angle obtains request；If not receiving the shooting angle data that described server returns, then prestore from described mobile terminal Shooting angle data make a look up；If finding and taking the photograph angle-data, then the shooting angle data found are defined as institute State target shooting angle.

Alternatively, processor 960 described to server send target shooting angle obtain request time, be additionally operable to: if connecing Receive the shooting angle data that described server returns, then the shooting angle data received are defined as described target shooting angle Degree.

Alternatively, when processor 960 makes a look up in the described shooting angle data prestored from described mobile terminal, It is additionally operable to: take the photograph angle-data if not finding, then predetermined angle is defined as described target shooting angle.

Alternatively, processor 960, when determining target shooting angle, is additionally operable to: controls described photographic head and rotates；? In described photographic head rotary course, gather a frame preview image every Preset Time, and preserve the shooting angle of described preview image Degree；Shooting angle based on all described preview images, determine described target shooting angle.

Alternatively, processor 960 rotates at the described photographic head of described control, until described photographic head shooting angle is adjusted Whole for described target shooting angle after, be additionally operable to: the shooting angle number prestored described in described target shooting angle is updated to According to, and described target shooting angle is uploaded to described server and Cloud Server.

Alternatively, parameter information of taking pictures described in processor 960 process at least includes the exposure of focus data, background environment One or more in face present position, shooting angle in degree, photo.

Visible, in embodiments of the present invention, the hidden bat pattern of the photographic head of 360 ° of rotations of mobile terminal can be triggered, will The original preview image picture of described 360 ° of photographic head rotated is processed as thumbnail image, and shows described thumbnail image in described shifting In the display interface of dynamic terminal, simultaneously close off the shooting miscellaneous function of described 360 ° of photographic head place mobile terminals rotated, institute State shooting miscellaneous function and include flash lamp, shutter sound, and then receive the operational order that user inputs, and perform according to operational order Shooting operation.Thus reducing user is using mobile terminal that uncivil behavior is carried out the shooting row that shooting etc. is not intended to be found For being identified as the probability of shooting, and then the trouble caused because taking pictures and the loss of user can be reduced.

For device embodiment, due to itself and embodiment of the method basic simlarity, so describe is fairly simple, relevant Part sees the part of embodiment of the method and illustrates.

Each embodiment in this specification all uses the mode gone forward one by one to describe, what each embodiment stressed is with The difference of other embodiments, between each embodiment, identical similar part sees mutually.

Algorithm and display are not intrinsic to any certain computer, virtual system or miscellaneous equipment relevant provided herein. Various general-purpose systems can also be used together with based on teaching in this.As described above, construct required by this kind of system Structure be apparent from.Additionally, the present invention is also not for any certain programmed language.It is understood that, it is possible to use various Programming language realizes the content of invention described herein, and the description done language-specific above is to disclose this Bright preferred forms.

In description mentioned herein, illustrate a large amount of detail.It is to be appreciated, however, that the enforcement of the present invention Example can be put into practice in the case of not having these details.In some instances, it is not shown specifically known method, structure And technology, in order to do not obscure the understanding of this description.

Similarly, it will be appreciated that one or more in order to simplify that the disclosure helping understands in each inventive aspect, exist Above in the description of the exemplary embodiment of the present invention, each feature of the present invention is grouped together into single enforcement sometimes In example, figure or descriptions thereof.But, the method for the disclosure should not be construed to reflect an intention that i.e. required guarantor The application claims feature more more than the feature being expressly recited in each claim protected.More precisely, as following Claims reflected as, inventive aspect is all features less than single embodiment disclosed above.Therefore, The claims following detailed description of the invention are thus expressly incorporated in this detailed description of the invention, the most each claim itself All as the independent embodiment of the present invention.

Those skilled in the art are appreciated that and can carry out the module in the equipment in embodiment adaptively Change and they are arranged in one or more equipment different from this embodiment.Can be the module in embodiment or list Unit or assembly are combined into a module or unit or assembly, and can put them in addition multiple submodule or subelement or Sub-component.In addition at least some in such feature and/or process or unit excludes each other, can use any Combine all features disclosed in this specification (including adjoint claim, summary and accompanying drawing) and so disclosed appoint Where method or all processes of equipment or unit are combined.Unless expressly stated otherwise, this specification (includes adjoint power Profit requires, summary and accompanying drawing) disclosed in each feature can be carried out generation by providing identical, equivalent or the alternative features of similar purpose Replace.

Although additionally, it will be appreciated by those of skill in the art that embodiments more described herein include other embodiments Some feature included by rather than further feature, but the combination of the feature of different embodiment means to be in the present invention's Within the scope of and form different embodiments.Such as, in the following claims, embodiment required for protection appoint One of meaning can mode use in any combination.

The all parts embodiment of the present invention can realize with hardware, or to run on one or more processor Software module realize, or with combinations thereof realize.It will be understood by those of skill in the art that and can use in practice Microprocessor or digital signal processor (DSP) realize some in capture apparatus according to embodiments of the present invention or complete The some or all functions of portion's parts.The present invention be also implemented as the part for performing method as described herein or Equipment that person is whole or device program (such as, computer program and computer program).Such realize the present invention's Program can store on a computer-readable medium, or can be to have the form of one or more signal.Such signal Can download from internet website and obtain, or provide on carrier signal, or provide with any other form.

The present invention will be described rather than limits the invention to it should be noted above-described embodiment, and ability Field technique personnel can design alternative embodiment without departing from the scope of the appended claims.In the claims, Any reference marks that should not will be located between bracket is configured to limitations on claims.Word " comprises " and does not excludes the presence of not Arrange element in the claims or step.Word "a" or "an" before being positioned at element does not excludes the presence of multiple such Element.The present invention and can come real by means of including the hardware of some different elements by means of properly programmed computer Existing.If in the unit claim listing equipment for drying, several in these devices can be by same hardware branch Specifically embody.Word first, second and third use do not indicate that any order.These word explanations can be run after fame Claim.

Those of ordinary skill in the art are it is to be appreciated that combine that the disclosed embodiments in the embodiment of the present invention describe is each The unit of example and algorithm steps, it is possible to being implemented in combination in of electronic hardware or computer software and electronic hardware.These Function performs with hardware or software mode actually, depends on application-specific and the design constraint of technical scheme.Specialty Technical staff specifically should can be used for using different methods to realize described function to each, but this realization should not Think beyond the scope of this invention.

Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, the system of foregoing description, The specific works process of device and unit, is referred to the corresponding process in preceding method embodiment, does not repeats them here.

In embodiment provided herein, it should be understood that disclosed apparatus and method, can be passed through other Mode realizes.Such as, device embodiment described above is only schematically, such as, the division of described unit, it is only A kind of logic function divides, actual can have when realizing other dividing mode, the most multiple unit or assembly can in conjunction with or Person is desirably integrated into another system, or some features can be ignored, or does not performs.Another point, shown or discussed is mutual Between coupling direct-coupling or communication connection can be the INDIRECT COUPLING by some interfaces, device or unit or communication link Connect, can be electrical, machinery or other form.

The described unit illustrated as separating component can be or may not be physically separate, shows as unit The parts shown can be or may not be physical location, i.e. may be located at a place, or can also be distributed to multiple On NE.Some or all of unit therein can be selected according to the actual needs to realize the mesh of the present embodiment scheme 's.

It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to It is that unit is individually physically present, it is also possible to two or more unit are integrated in a unit.

If described function is using the form realization of SFU software functional unit and as independent production marketing or use, permissible It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is the most in other words The part contributing prior art or the part of this technical scheme can embody with the form of software product, this meter Calculation machine software product is stored in a storage medium, including some instructions with so that a computer equipment (can be individual People's computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention. And aforesaid storage medium includes: USB flash disk, portable hard drive, ROM, RAM, magnetic disc or CD etc. are various can store program code Medium.

The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with scope of the claims.

Claims

1. a method for automatic adjustment photographic head, is applied to the mobile terminal with the photographic head of rotatable 360 °, its feature Being, described method includes:

During photographic head carries out image acquisition to photographed scene, control the described photographic head face to being collected and carry out Focusing；

Determine target shooting angle；

Method the most according to claim 1, it is characterised in that described focus data based on described photographic head, calculating is taken the photograph The step of picture head shooting angle, including:

Focus data based on described photographic head, calculates described photographic head and the first distance of described face collected and the Two distances；

Based on described first distance and described second distance, calculate the first angle of described photographic head and perpendicular；

Described first angle is defined as described photographic head shooting angle；

Wherein, described first distance is the air line distance between described photographic head and described face, and described second distance is described Air line distance between the sole of photographic head human body corresponding with described face.

Method the most according to claim 2, it is characterised in that described based on described first distance and described second distance, Calculate the step of described photographic head and the first angle of perpendicular, including:

Based on described first distance and described second distance, calculate the height line of described human body；

Calculate the second angle between described first distance and the height line of described human body；

Difference between 180 degree and the second angle is defined as described first angle.

Method the most according to claim 1, it is characterised in that the described step determining target shooting angle, including:

Obtain a frame preview image of camera collection；

Send described preview image to Cloud Server；

Receive the shooting angle data that described Cloud Server sends；

Described shooting angle data are defined as described target shooting angle；

Wherein, described shooting angle data are determined based on the parameter information of taking pictures in described preview image by described Cloud Server Shooting angle.

Send target shooting angle to server and obtain request；

If not receiving the shooting angle data that described server returns, then the shooting angle number prestored from described mobile terminal Make a look up according to；

If finding and taking the photograph angle-data, then the shooting angle data found are defined as described target shooting angle.

Method the most according to claim 5, it is characterised in that described acquisition to server transmission target shooting angle is asked Step after, described method also includes:

If receiving the shooting angle data that described server returns, then the shooting angle data received are defined as described mesh Mark shooting angle.

Method the most according to claim 5, it is characterised in that the described shooting angle number prestored from described mobile terminal After the step made a look up according to, described method also includes:

Take the photograph angle-data if not finding, then predetermined angle is defined as described target shooting angle.

Control described photographic head to rotate；

In described photographic head rotary course, gather a frame preview image every Preset Time, and preserve described preview image Shooting angle；

Shooting angle based on all described preview images, determine described target shooting angle.

Method the most according to claim 1, it is characterised in that the described photographic head of described control rotates, until described After photographic head shooting angle is adjusted to the step of described target shooting angle, described method also includes:

In the shooting angle data prestored described in described target shooting angle is updated to, and described target shooting angle is uploaded To described server and Cloud Server.

Method the most according to claim 1, it is characterised in that described in parameter information of taking pictures at least include focus data, the back of the body One or more in face present position, shooting angle in the exposure of scape environment, photo.

11. 1 kinds of mobile terminals, including the photographic head of rotatable 360 °, it is characterised in that described mobile terminal includes:

Face Focusing module, for during photographic head carries out image acquisition to photographed scene, controls described photographic head pair The face collected is focused；

Photographic head rotary module, is used for controlling described photographic head and rotates, until described photographic head shooting angle is adjusted to institute State target shooting angle.

12. mobile terminals according to claim 11, it is characterised in that described shooting angle computing module includes:

Distance calculating sub module, for focus data based on described photographic head, calculates described photographic head and the institute collected State the first distance and the second distance of face；

First angle calcu-lation submodule, for based on described distance calculated first distance of calculating sub module and described second Distance, calculates the first angle of described photographic head and perpendicular；

Shooting angle determines submodule, for described first calculated first angle of angle calcu-lation submodule is defined as institute State photographic head shooting angle；

13. mobile terminals according to claim 12, it is characterised in that described first angle calcu-lation submodule includes:

Human Height line computation unit, for based on described distance calculated first distance of calculating sub module and described second Distance, calculates the height line of described human body；

Second angle calcu-lation unit, is used for calculating described first distance and the described Human Height calculated people of line computation unit The second angle between the height line of body；

First angle calcu-lation unit, for by 180 degree with described second angle calcu-lation unit calculating the second angle obtained it Between difference be defined as described first angle.

14. mobile terminals according to claim 11, it is characterised in that described target shooting angle determines that module includes:

Preview image obtains submodule, for obtaining a frame preview image of camera collection；

Preview image sends submodule, obtains the preview image of submodule acquisition to cloud service for sending described preview image Device；

Shooting angle receives submodule, for receiving the shooting angle data that described Cloud Server sends；

High in the clouds target shooting angle determines submodule, and the shooting angle data received by described shooting angle reception submodule are true It is set to described target shooting angle；

15. mobile terminals according to claim 11, it is characterised in that described target shooting angle determines that module includes:

Target shooting angle request submodule, obtains request for sending target shooting angle to server；

Local acquisition shooting angle submodule, if for not receiving the shooting angle data that described server returns, then from institute State in the shooting angle data prestored in mobile terminal and make a look up；

Local target shooting angle determines submodule, if taking the photograph for being found by described local acquisition shooting angle submodule Angle-data, then be defined as described target shooting angle by the shooting angle data found.

16. mobile terminals according to claim 15, it is characterised in that described target shooting angle determines module, also wraps Include:

Determine that server returns shooting angle submodule, if for receiving the shooting angle data that described server returns, then The shooting angle data received are defined as described target shooting angle.

17. mobile terminals according to claim 15, it is characterised in that described target shooting angle determines that module is also wrapped Include:

Determining that predetermined angle is shooting angle submodule, if taking the photograph angle-data for not finding, then predetermined angle being defined as Described target shooting angle.

18. mobile terminals according to claim 11, it is characterised in that described target shooting angle determines that module includes:

Photographic head gyrator module, is used for controlling described photographic head and rotates；

Preview image gathers submodule, in described photographic head rotary course, gathers a frame preview graph every Preset Time Picture, and preserve the shooting angle of described preview image；

Target shooting angle determines submodule, for shooting angle based on all described preview images, determines that described target is clapped Take the photograph angle.

19. mobile terminals according to claim 11, it is characterised in that described mobile terminal also includes:

Transmission module in target shooting angle, is used for the shooting angle data prestored described in described target shooting angle being updated to In, and described target shooting angle is uploaded to described server and Cloud Server.

20. mobile terminals according to claim 11, it is characterised in that described in take pictures parameter information at least include focus number According to, one or more in face present position, shooting angle in the exposure of background environment, photo.