CN107526515A - A kind of method and electronic equipment of focusing of taking pictures - Google Patents

A kind of method and electronic equipment of focusing of taking pictures Download PDF

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Publication number
CN107526515A
CN107526515A CN201610459680.2A CN201610459680A CN107526515A CN 107526515 A CN107526515 A CN 107526515A CN 201610459680 A CN201610459680 A CN 201610459680A CN 107526515 A CN107526515 A CN 107526515A
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China
Prior art keywords
target
pressure value
generation
display module
focusing
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CN201610459680.2A
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Chinese (zh)
Inventor
张晓亮
刘辉
冯磊
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ZTE Corp
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ZTE Corp
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Priority to CN201610459680.2A priority Critical patent/CN107526515A/en
Publication of CN107526515A publication Critical patent/CN107526515A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/222Studio circuitry; Studio devices; Studio equipment ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, TV cameras, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/225Television cameras ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, camcorders, webcams, camera modules specially adapted for being embedded in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/232Devices for controlling television cameras, e.g. remote control ; Control of cameras comprising an electronic image sensor
    • H04N5/23212Focusing based on image signals provided by the electronic image sensor

Abstract

The invention provides a kind of method and electronic equipment of focusing of taking pictures, wherein method includes:Detect the generation position of contact action and the caused first pressure value on the generation position in touches display module;The generation opening position is obtained, fisrt feature corresponding with the first pressure value extracts region in the touches display module, the characteristic information of target object of the extraction present image in the fisrt feature extracts region, obtains characteristic matching information;According to the characteristic matching information, target following and focusing are carried out to the successive image shown in the touches display module.The program is realized in the moving process of object, and dynamic focus process is carried out with the motion of target object, meets the actual demand of user, lifts Consumer's Experience.

Description

A kind of method and electronic equipment of focusing of taking pictures
Technical field
The present invention relates to communication technical field, more particularly to a kind of method and electronic equipment of focusing of taking pictures.
Background technology
With the development of electronic equipment, electronic equipment of new generation, such as modular pressure is employed on mobile phone, shield Curtain can interpolate that the application of pressure is more and more, does not apply pressure to screen and is carried out in the case of applying pressure Operation can realize different operating effects.
In existing end product, contact action is carried out with finger when taking pictures, operating position can be carried out Focusing, but be applied to carry out stationary body focus operation in existing focusing method of taking pictures, or be applicable The state of geo-stationary is between electronic equipment and made thing body, existing method is shooting static object When it is more useful, but cannot be focused well for mobile object, such as when user's contact action The object clicked on position is a mobile object, or when user wishes electronic device terminal movement When still being focused to this object, only user ceaselessly clicks on corresponding with mobile object on screen Display location, could realize and focusing process, existing method are carried out to the target object that is moved in display picture It cannot be perfectly suitable for needing mobile situation about focusing, user's degree easy to use is relatively low, and reducing user makes With experience.
The content of the invention
A kind of method and electronic equipment of focusing of taking pictures are provided in the embodiment of the present invention, to solve existing focusing side Method is more useful when shooting static object, but is asked for what mobile object cannot focus well Topic.
In order to solve the above-mentioned technical problem, the embodiment of the present invention adopts the following technical scheme that:
On the one hand, the embodiment of the present invention provides a kind of method for focusing of taking pictures, including:
Detect in touches display module the generation position of contact action and the caused by the generation position One pressure value;
Obtain the generation opening position, in the touches display module with the first pressure value corresponding first Feature extraction region, the feature letter of target object of the extraction present image in the fisrt feature extracts region Breath, obtains characteristic matching information;
According to the characteristic matching information, target is carried out to the successive image shown in the touches display module Tracking and focusing.
Alternatively, it is described to obtain the generation opening position, in the touches display module with the first pressure Fisrt feature corresponding to value extracts region, target of the extraction present image in the fisrt feature extracts region The characteristic information of object, the step of obtaining characteristic matching information, including:
According to the first pressure value, in the area corresponding table in a default pressure value Yu feature extraction region, First area corresponding to obtaining the first pressure value, formed in the touches display module with the generation position Center is set to, and area extracts region for the fisrt feature of first area;
Feature extraction is carried out to the target object in fisrt feature extraction region, obtains the target object Characteristic information, obtain characteristic matching information.
Alternatively, it is described according to the characteristic matching information, it is follow-up to being shown in the touches display module Image is carried out the step of target following and focusing, including:
According to the characteristic matching information, matched with the successive image shown in the touches display module, The target object being consistent in the successive image with the characteristic matching information is identified, and obtains the object On-screen display (osd) area corresponding to body;
Picture focusing is carried out in the on-screen display (osd) area.
Alternatively, it is described according to the characteristic matching information, it is follow-up to being shown in the touches display module After image carries out the step of target following and focusing, methods described also includes:
The on-screen display (osd) area where the target object that progress target following obtains, determine that second feature extracts area Domain;
Feature extraction is carried out to the target object in second feature extraction region, obtains the target object Characteristic information, obtain the new characteristic matching information, and enter according to the characteristic matching information, it is right The successive image shown in the touches display module carries out the step of target following and focusing.
Alternatively, it is described detection touches display module on contact action generation position and in the generation position Caused by upper during first pressure value, methods described also includes:
Obtain duration of the contact action on the generation position;
When judging that the duration reaches predetermined time period, picture pair is carried out on the generation position Jiao, and enter and obtain the generation opening position, it is corresponding with the first pressure value in the touches display module Fisrt feature extraction region, target object of the extraction present image in the fisrt feature extracts region Characteristic information, the step of obtaining characteristic matching information.
Alternatively, it is described detection touches display module on contact action generation position and in the generation position After first pressure value caused by upper, methods described also includes:
Judge whether the first pressure value is in preset threshold range;
It is described into the acquisition generation opening position when the first pressure value is in preset threshold range Fisrt feature extraction region corresponding with the first pressure value, extraction present image exist in touches display module The characteristic information of target object in fisrt feature extraction region, the step of obtaining characteristic matching information.
Alternatively, it is described to judge whether the first pressure value is in after preset threshold range, methods described Also include:
When the first pressure value exceeds the maximum in preset threshold range, the exceeded warning of pressure is sent.
On the other hand, the embodiment of the present invention also provides a kind of electronic equipment, including:
Detection module, for detecting the generation position of contact action in touches display module and in the generation position First pressure value caused by putting;
First acquisition module, for obtaining the generation opening position, with described in the touches display module Fisrt feature corresponding to one pressure value extracts region, and extraction present image is extracted in the fisrt feature in region Target object characteristic information, obtain characteristic matching information;
Tracking and Focusing module, for according to the characteristic matching information, to showing in the touches display module The successive image shown carries out target following and focusing.
Alternatively, first acquisition module, including:
Acquisition submodule, for according to the first pressure value, in a default pressure value and feature extraction area In the area corresponding table in domain, the first area corresponding to the first pressure value is obtained, described touch is formed and shows On component centered on the generation position, and area extracts region for the fisrt feature of first area;
Feature extraction submodule, carried for carrying out feature to the target object in fisrt feature extraction region Take, obtain the characteristic information of the target object, obtain characteristic matching information.
Alternatively, the tracking and Focusing module, including:
Match cognization submodule, for according to the characteristic matching information, with showing in the touches display module The successive image shown is matched, and identifies the target being consistent in the successive image with the characteristic matching information Object, and obtain on-screen display (osd) area corresponding to the target object;
Focusing submodule, for carrying out picture focusing in the on-screen display (osd) area.
Alternatively, the electronic equipment also includes:
Determining module, for the on-screen display (osd) area where the obtained target object of target following is carried out, it is determined that Second feature extracts region;
Second acquisition module, for carrying out feature extraction to the target object in second feature extraction region, The characteristic information of the target object is obtained, obtains the new characteristic matching information, and enter according to Characteristic matching information, target following and focusing are carried out to the successive image shown in the touches display module Step.
Alternatively, the electronic equipment also includes:
3rd acquisition module, for obtaining duration of the contact action on the generation position;
Focusing module, for when judging that the duration reaches predetermined time period, in the generation position Put and carry out picture focusing, and enter and obtain the generation opening position, in the touches display module with it is described Fisrt feature corresponding to first pressure value extracts region, and extraction present image extracts region in the fisrt feature In target object characteristic information, the step of obtaining characteristic matching information.
Alternatively, the electronic equipment also includes:
Judge module, for judging whether the first pressure value is in preset threshold range;Described first When pressure value is in preset threshold range, into obtaining the generation opening position, in the touches display module Fisrt feature corresponding with the first pressure value extracts region, and extraction present image carries in the fisrt feature The characteristic information of the target object in region is taken, the step of obtaining characteristic matching information.
Alternatively, the electronic equipment also includes:
Alarm module, for the first pressure value exceed preset threshold range in maximum when, send The exceeded warning of pressure.
One or more embodiments of the invention has the advantages that:
Scheme in the embodiment of the present invention, during taking pictures, grasped by detecting touch screen in touches display module The generation position of work and the caused first pressure value on the generation position, with reference to the generation position of contact action And caused pressure value, the feature extraction region in touches display module is obtained, is carried in feature extraction region Take the characteristic information of target object in present image, and with this to the successive image that is shown in touches display module Target following and picture focusing are carried out, by the way that focusing is locked and tracked to mobile target object, is realized In the moving process of object, dynamic focus process is carried out with the motion of target object, meets user's Actual demand, lift Consumer's Experience.
Brief description of the drawings
Fig. 1 represent first embodiment of the invention in take pictures focusing method flow chart;
Fig. 2 represent second embodiment of the invention in take pictures focusing method flow chart;
Fig. 3 represent third embodiment of the invention in take pictures focusing method flow chart;
Fig. 4 represents in the embodiment of the present invention that fisrt feature extracts the schematic diagram in region in touches display module;
Fig. 5 represents the structured flowchart one of electronic equipment in this fourth embodiment of the invention;
Fig. 6 represents the structured flowchart two of electronic equipment in this fourth embodiment of the invention.
Reference:Wherein in figure:
21- electronic equipments, 22- touches display modules, 23- target objects, 24- fisrt feature extraction region.
Embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although shown in accompanying drawing The exemplary embodiment of the disclosure, it being understood, however, that may be realized in various forms the disclosure without should be by Embodiments set forth here is limited.Conversely, there is provided these embodiments are to be able to be best understood from this It is open, and the scope of the present disclosure can be completely communicated to those skilled in the art.
First embodiment
A kind of method for focusing of taking pictures disclosed in the present embodiment, with reference to shown in Fig. 1, this method includes:
Step 101:Detect the generation position of contact action in touches display module and produced on the generation position Raw first pressure value.
Under the state of taking pictures, user presses screen in touches display module, and somewhere, realization is entered here Row focus operation, first by gather finger touch screen location parameter, positional information corresponding to acquisition and Pressure value on the contact action position, according to being produced during the generation position of contact action and contact action Raw pressure value size, the precondition performed as following operation.The first pressure value can pass through pressure Force snesor collects.
, can be according to the contact action, in the generation position of the contact action with the generation of the contact action Place carries out advance picture focusing process, then carries out the focusing of the target object after the ensuing movement to position Processing procedure, and can make that apparent object features can be extracted in following characteristic extraction procedure.
Step 102:The generation opening position is obtained, corresponding with first pressure value first in touches display module Feature extraction region, the characteristic information of target object of the extraction present image in the fisrt feature extracts region, Obtain characteristic matching information.
Here, feature extraction is carried out to the present image shown in touches display module, feature extraction region Scope and size are determined by the generation position of user's contact action and the pressure value size of contact action.The spy The shape in sign extraction region could be arranged to border circular areas or square region;Wherein, object of extraction The characteristic information of body can include:The colouring information of target object, shape information, contour of object information, line Manage information etc..Camera image acquisition elements CCD (Charge Coupled Device, charge coupling device) When acquisition characteristics extract the colouring information in region, the R in the range of specific pickup area, tri- sons of G, B The colouring information of location of pixels, this R, the color data of tri- sub-pixels of G, B can be stored in caching list In member;Or the image in this feature extraction region is changed into black and white binary image, this black and white binary image Comprising objects' contour information, shape information, texture information etc., this data can be stored in buffer unit In, for the calling in below step.
Step 103:According to this feature match information, the successive image shown in touches display module is carried out Target following and focusing.
During being somebody's turn to do, the acquisition of the successive image to being shown in touches display module can be that interval one is default Time, the display picture refreshed in touches display module, obtain the successive image shown in touches display module.
And corresponding to a display picture refresh operation in a time interval, exist once according to feature Match information, a matching process of the image with being shown in touches display module is carried out, is realized to subsequent figure The target identification tracking of target object, can get the change location of target object at different moments as in, and The focus operation of picture is carried out on the change location of the target object traced into, the picture focus operation is specific Completed by the camera device in terminal.
The method of focusing of taking pictures in the embodiment, during taking pictures, by detecting in touches display module The generation position of contact action and the caused first pressure value on the generation position, with reference to the hair of contact action Raw position and caused pressure value, the feature extraction region in touches display module is obtained, in feature extraction area In domain extract present image in target object characteristic information, and with this to being shown in touches display module after Continuous image carries out target following and picture focusing, real by the way that focusing is locked and tracked to mobile target object Show in the moving process of object, dynamic focus process is carried out with the motion of target object, met The actual demand of user, lift Consumer's Experience.
Second embodiment
With reference to focusing of taking pictures method in key step preferred embodiment specific implementation process, this implementation A kind of method for focusing of taking pictures disclosed in example, with reference to shown in Fig. 2, this method includes:
Step 201:Detect the generation position of contact action in touches display module and occur described on position Caused first pressure value.
In the step, the location parameter of screen, positional information corresponding to acquisition are touched by gathering finger first And the pressure value on the contact action position, during the generation position of contact action and contact action Caused pressure value size, it is used as the precondition that next operation performs.
, it is necessary to obtain the generation opening position after above-mentioned steps completion, with described the in touches display module Fisrt feature corresponding to one pressure value extracts region, and extraction present image is extracted in the fisrt feature in region The characteristic information of target object, obtain characteristic matching information.
Specifically, the acquisition generation opening position, corresponding with first pressure value in touches display module One feature extraction region, the characteristic information of target object of the extraction present image in fisrt feature extracts region, The step of obtaining characteristic matching information, specifically includes:
Step 202:According to the first pressure value, the area in a default pressure value Yu feature extraction region In corresponding table, obtain the first pressure value corresponding to the first area, formed in the touches display module with Centered on the generation position, and area extracts region for the fisrt feature of first area.
In the step, how specific implementation obtains the generation opening position of contact action, in touches display module with Fisrt feature corresponding to first pressure value extracts region, wherein, the default pressure value and feature extraction region Area corresponding table in, can be record specific pressure value and area value one-to-one relationship, either The pressure value section of record and the corresponding relation of area value.
Accordingly, according to the first pressure value, the area pair in a default pressure value Yu feature extraction region Answer in table, obtain the process of the first area corresponding to the first pressure value, including:Pass through pressure value and spy In the area corresponding table in sign extraction region, the one-to-one relationship of pressure value and area value, first pressure is obtained First area corresponding to value;Or matching first pressure value is in the area pair in pressure value Yu feature extraction region Pressure value section residing in table is answered, obtains the first area corresponding with the pressure value section;Can in advance by Pressure value divides into several different sections, by the pressure value detected compared with different sections, Judge which section is first pressure value fall in, get first area corresponding with the section, realize root Judge region area corresponding to pressure according to pressure state, and then obtain the fisrt feature with the first area and extract Region.
Preferably, in the area corresponding table in the pressure value Yu feature extraction region, pressure value and feature extraction Being proportionate property between the area in region, the area in the bigger corresponding feature extraction region of pressure value are also bigger.
Specifically, when feature extraction region is shaped to circle, according to the determination pair of the size of pressure value The circular diameter and area answered, is formed centered on the generation position of contact action, and area is corresponding The fisrt feature extraction region of first area.
Step 203:Feature extraction is carried out to the target object in fisrt feature extraction region, obtains institute The characteristic information of target object is stated, obtains characteristic matching information.
With reference to shown in Fig. 4, in above-mentioned steps, formed centered on the generation position of contact action, and face Product extracts region 24 for the fisrt feature of the first area, in this step, in touching for terminal electronic device 21 Touch on display module 22, the part that present image is shown in fisrt feature extraction region 24, which is formed, to be characterized The object of extraction, the target object 23 in the part chosen to user carry out feature extraction, obtain target The characteristic information of object 23, using this feature information as characteristic matching information, target under being fetched with Track process.
On the basis of the above-described procedure, it is follow-up to what is shown in touches display module according to this feature match information Image carries out the step of target following and focusing, specifically includes:
Step 204:According to this feature match information, carried out with the successive image shown in touches display module Matching, the target object being consistent in successive image with this feature match information is identified, and obtain the target object Corresponding on-screen display (osd) area.
The characteristic matching information obtained based on extraction, it is follow-up to what is shown in touches display module on this basis Image is matched, and can be specifically to the color including target object, profile, line in the matching process Feature including reason, shape etc. matched, can be when matching degree reaches certain proportion, such as matching The goodness of fit be 80% when, it is believed that the match is successful, so identify present in successive image with this feature The target object that match information is consistent, match cognization process is completed, and correspondingly got residing for the target object On-screen display (osd) area, it is complete by the way that according to the object features extracted, match cognization is carried out to mobile object The tracing process of the object of paired display location change, to realize after the change of object display location, can also enter Real-time accurate focusing of the row to image.
During being somebody's turn to do, the acquisition of the successive image to being shown in touches display module can be that interval one is default Time, the display picture refreshed in touches display module, obtain the successive image shown in touches display module.
Step 205:Picture focusing is carried out in the on-screen display (osd) area.
The step, complete with the on-screen display (osd) area corresponding to the target object in successive image, carrying out Picture focus operation.Realized with final according to characteristic matching information, follow the trail of moving and carrying out pair for target object The real-time focus process of display location where target object.
Specifically, focusing when, can by judging target object edge in on-screen display (osd) area, when When the acutance at target object edge reaches maximum, now judge to reach target object pair in on-screen display (osd) area Coke-like state.The present image and successive image can be specially the display in the camera picture preview interface of terminal Image.Specifically, the picture focus operation is the camera device in terminal to perform.
The method of focusing of taking pictures in the embodiment, during taking pictures, by detecting in touches display module The generation position of contact action and the caused first pressure value on the generation position, with reference to the hair of contact action Raw position and caused pressure value, in the area corresponding table in a default pressure value Yu feature extraction region, Area corresponding to pressure value, and then the generation opening position in touches display module are obtained, obtains that there is the face The feature extraction region of product value, the characteristic information of target object in present image is extracted in feature extraction region, And target following is carried out to the successive image that is shown in touches display module with this and picture is focused, realize pair Mobile object carries out match cognization, completes the tracing process of the object to display location change, to realize in thing After the change of body display location, the real-time accurate focusing to image can be also carried out, meets the actual demand of user, Lift Consumer's Experience.
3rd embodiment
Further, with reference to the specific implementation process of the preferred embodiment of each step in the method for focusing of taking pictures, A kind of method for focusing of taking pictures disclosed in the present embodiment, with reference to shown in Fig. 3, this method includes:
Step 301:Detect the generation position of contact action in touches display module and produced on the generation position Raw first pressure value, and obtain duration of the contact action on the generation position.
In the step, detection touches display module on contact action generation position and in the generation position Caused by upper during first pressure value, this method also includes:Obtain contact action holding on the generation position The continuous time.Wherein, contact action can be obtained especially by timer built-in in terminal on position occurs Duration.
Under the state of taking pictures, the location parameter of screen is touched by gathering finger, is obtained corresponding to contact action Positional information and the pressure value on contact action generation position and duration, and according to contact action Caused pressure value size and duration during generation position, contact action, held as following operation Capable precondition.
Step 302:It is enterprising in the generation position when judging that the duration reaches predetermined time period Row picture is focused.
The step, can judge it is a little with the time length of screen contact in contact action according to user's finger Hit operation screen operator and still press screen operator, and then judge that user is photographing operation or focus operation. For example, when the duration being not reaching to predetermined time period, judgement is click on operating, corresponding to the behaviour that takes pictures Make, when the duration reaching predetermined time period, judgement is pressing operation, corresponding to focus operation, is entered And be the generation position of contact action according to touch-screen pressing position, acquisition needs progress target object feature to carry The position that takes and first focusing position.Picture focusing is carried out on the generation position, and enters and obtains the generation Opening position, fisrt feature extraction region corresponding with first pressure value, extracts current figure in touches display module As the characteristic information of the target object in extracting region in fisrt feature, the step of obtaining characteristic matching information.
Corresponding camera is taken pictures on preview image, and user is clicked by contact action in the generation position of the operation Go out target object, motor of camera, adjustment shooting are started according to the acutance at target object edge on preview image The distance of head mirror piece and CCD, imaging most clearly position is found, completes focus process.
After carrying out picture focus operation on position occurs, the display picture of focusing position is apparent, and feature carries Take region to be arranged at generation opening position, that is, be arranged at picture focusing position, can extract it is apparent, The characteristic information of accurate target object.
Further, detection touches display module on contact action generation position and on the generation position After caused first pressure value, this method also includes:
Step 303:Judge whether the first pressure value is in preset threshold range.
The threshold range of a pressure can be pre-set, after the pressure value that terminal screen is born is got, Judge whether the pressure value is in the threshold range, if being in, the pressure value meets preparatory condition, if should Pressure value is more than or less than the threshold range, then is unsatisfactory for condition.
Specifically, pressure value is allocated as to several different sections from small to large, in grams, 50 grams of pressures Equivalent to 50 grams counterweights of power are pressed in screen surface, set be judged as carrying out other from 50 grams of pressures below it is normal The pressure value of contact action;Pressure between 50 grams to 500 grams is set to need to carry out target object selection And the pressure value of succeeding target tracking and focus operation, specifically, should when feature extraction region is circular Corresponding pressure range between 50 grams and 500 grams, corresponding 1 centimetre of circle for arriving 3 centimetres of diameter of diameter, at this Feature recognition is carried out to target object in individual circle, wherein, pressure and diameter of a circle and area are proportional; It is non-security pressure state to set pressure value corresponding to more than 500 grams.When first pressure value is in and 50 grams , can be to prevent to during pressure value section, judging that the first pressure value is in preset threshold range corresponding to 500 grams Only maloperation.
And when judging that first pressure value is in preset threshold range, opening position occurs into obtaining, touches Fisrt feature extraction region corresponding with first pressure value on display module, extraction present image is in fisrt feature Extract the characteristic information of the target object in region, the step of obtaining characteristic matching information.
Further, after judging whether the first pressure value is in preset threshold range, this method is also Including:
Step 304:When first pressure value exceeds the maximum in preset threshold range, it is exceeded to send pressure Warning.
Default threshold range be with 50 grams to 500 grams of corresponding pressure value sections when, with 500 grams with Range of pressure values corresponding to upper scope is non-security pressure state, when first pressure value exceeds preset threshold range In maximum, that is, when exceeding pressure value corresponding with 500 gram weights, terminal sends the exceeded warning of pressure, The exceeded warning of the pressure can include motor vibrations, display screen color change, and loudspeaker send the sound, in screen Carry out the modes such as text prompt.
With above-mentioned steps accordingly, this method also includes:
Step 305:The generation opening position is obtained, corresponding with first pressure value first in touches display module Feature extraction region, the characteristic information of target object of the extraction present image in the fisrt feature extracts region, Obtain characteristic matching information.
Here, feature extraction is carried out to the present image shown in touches display module, feature extraction region Scope and size are determined by the generation position of user's contact action and the pressure value size of contact action.The spy The shape in sign extraction region could be arranged to border circular areas or square region;Wherein, object of extraction The characteristic information of body can include:The colouring information of target object, shape information, contour of object information, line Manage information etc..
Step 306:According to this feature match information, the successive image shown in touches display module is carried out Target following and focusing.
During being somebody's turn to do, the acquisition of the successive image to being shown in touches display module can be that interval one is default Time, the display picture refreshed in touches display module, obtain the successive image shown in touches display module.
And corresponding to a display picture refresh operation in a time interval, exist once according to feature Match information, a matching process of the image with being shown in touches display module is carried out, is realized to subsequent figure The target identification tracking of target object, can get the change location of target object at different moments as in, and The focus operation of picture is carried out on the change location of the target object traced into.
Specifically, separated in time refreshes to the display image in camera preview interface, with 0.5 Second refreshes a frame, the mesh after extraction refreshes each time in corresponding successive image with characteristic matching information match Object is marked, specially extracts what is preserved in the information, with caching such as the color in successive image, profile, texture Object features carry out contrast matching, identify target object, and obtain screen display corresponding with target object Region, picture focusing is carried out on the on-screen display (osd) area.
Further, according to this feature match information, the successive image shown in touches display module is entered After the step of row target following and focusing, this method also includes:
Step 307:The on-screen display (osd) area corresponding to carry out the obtained target object of target following, determine the Two feature extraction regions.
Specifically, in above-mentioned steps, target following is carried out to the successive image shown in touches display module, In the step, on the on-screen display (osd) area corresponding with target object that is obtained after tracking, it is determined that new feature Extract region.Preferably, the new feature extraction region be above-mentioned second feature extraction region can be with Fisrt feature extraction region has regional extent of the same area, and second feature extraction region can be with this Centered on on-screen display (osd) area, area is the new regional extent for the area that fisrt feature extracts region.Can be with Make to carry out target object new feature extraction in the second feature extracts region, and be saved in buffer unit, Change, such as change, the profile variations of object angle are shown to adapt to the image occurred in object moving process Etc..
Step 308:Feature extraction is carried out to the target object in second feature extraction region, obtains the target The characteristic information of object, obtain new characteristic matching information.
In the step, new feature extraction is carried out to target object in the second feature extracts region, with suitable The image that occurs in object moving process is answered to show change, such as the change of object angle, profile variations etc., Make in the target object after changing to display location carries out focus process, can be according to the motion of target object During posture change, carry out more accurate target following, implement accurate focusing.
After new characteristic matching information is obtained, into according to characteristic matching information, to touches display module The successive image of upper display carries out the step of target following and focusing, to realize movement for target object Feature extraction and renewal are constantly carried out, and according to the characteristic matching information got every time, is carried out aobvious to touching Show that the successive image that is shown on component carries out target following, identification when in the image of preceding camera preview interface with The target object that each characteristic matching information is consistent, on-screen display (osd) area corresponding to target object is obtained, and To being focused again on this band of position.Wherein, according to characteristic matching information, to being shown in touches display module Successive image carry out target following and focusing the step of and to second feature extraction region in target object The step of carrying out feature extraction, obtain the characteristic information of the target object, obtaining new characteristic matching information needs Just to terminate when getting the photographing instruction of user.
The method of focusing of taking pictures in the embodiment, during taking pictures, by detecting in touches display module The generation position of contact action and caused first pressure value and duration on the generation position, Jin Er When it meets condition, the generation opening position in touches display module, obtain the feature with the area value and carry Region is taken, the characteristic information of target object in present image is extracted in feature extraction region, with this to touching The successive image shown on display module carries out target following and picture focusing, and to being carried during each target following The new characteristic information of target object is taken, as the foundation for carrying out target following and picture focusing again, is realized Match cognization is carried out to mobile object, completes the tracing process of the object to display location change, to realize After changing in object display location, the real-time accurate focusing to image can be also carried out, meets the actual need of user Ask, lift Consumer's Experience.
Fourth embodiment
A kind of electronic equipment is disclosed in the present embodiment, with reference to shown in Fig. 5, Fig. 6, including:Detection module 401st, the first acquisition module 402 and tracking and Focusing module 403.
Detection module 401, for detecting the generation position of contact action in touches display module and in the hair Caused first pressure value on raw position.
First acquisition module 402, for obtaining the generation opening position, in the touches display module with institute State fisrt feature corresponding to first pressure value and extract region, extraction present image extracts area in the fisrt feature The characteristic information of target object in domain, obtain characteristic matching information.
Tracking and Focusing module 403, for according to the characteristic matching information, to the touches display module The successive image of upper display carries out target following and focusing.
Wherein, first acquisition module 402, including:Acquisition submodule 4021 and feature extraction submodule 4022。
Acquisition submodule 4021, for according to the first pressure value, in default a pressure value and feature In the area corresponding table for extracting region, the first area corresponding to the first pressure value is obtained, forms described touch Touch on display module centered on the generation position, and area extracts for the fisrt feature of first area Region.
Feature extraction submodule 4022, for being carried out to the target object in fisrt feature extraction region Feature extraction, the characteristic information of the target object is obtained, obtain characteristic matching information.
Wherein, the tracking and Focusing module 403, including:Match cognization submodule 4031 and focusing submodule Block 4032.
Match cognization submodule 4031, for according to the characteristic matching information, display group to be touched with described The successive image shown on part is matched, and is identified in the successive image and is consistent with the characteristic matching information Target object, and obtain on-screen display (osd) area corresponding to the target object.
Focusing submodule 4032, for carrying out picture focusing in the on-screen display (osd) area.
The electronic equipment also includes:The acquisition module 405 of determining module 404 and second.
Determining module 404, for the on-screen display (osd) area where the obtained target object of target following is carried out, Determine that second feature extracts region.
Second acquisition module 405, for carrying out feature to the target object in second feature extraction region Extraction, obtains the characteristic information of the target object, obtains the new characteristic matching information, and enter root According to the characteristic matching information, the successive image shown in the touches display module is carried out target following and The step of focusing.
The electronic equipment also includes:3rd acquisition module 406 and Focusing module 407.
3rd acquisition module 406, for obtaining duration of the contact action on the generation position.
Focusing module 407, for when judging that the duration reaches predetermined time period, in the hair Picture focusing is carried out on raw position, and enters and obtains the generation opening position, in the touches display module with Fisrt feature corresponding to the first pressure value extracts region, and extraction present image extracts in the fisrt feature The characteristic information of target object in region, the step of obtaining characteristic matching information.
The electronic equipment also includes:Judge module 408.
Judge module 408, for judging whether the first pressure value is in preset threshold range;Described When first pressure value is in preset threshold range, into the acquisition generation opening position, the touch display group Fisrt feature extraction region corresponding with the first pressure value, extraction present image are special described first on part The characteristic information of target object in sign extraction region, the step of obtaining characteristic matching information.
The electronic equipment also includes:Alarm module 409.
Alarm module 409, for the first pressure value exceed preset threshold range in maximum when, Send the exceeded warning of pressure.
The electronic equipment can realize each process that the method for focusing of being taken pictures in previous embodiment is realized, to keep away Exempt to repeat, repeat no more here.The electronic equipment can be mobile phone, tablet personal computer, mobile photographing device etc..
Electronic equipment in the embodiment, during taking pictures, grasped by detecting touch screen in touches display module The generation position of work and the caused first pressure value on the generation position, with reference to the generation position of contact action And caused pressure value, the feature extraction region in touches display module is obtained, is carried in feature extraction region Take the characteristic information of target object in present image, and with this to the successive image that is shown in touches display module Target following and picture focusing are carried out, by the way that focusing is locked and tracked to mobile target object, is realized In the moving process of object, dynamic focus process is carried out with the motion of target object, meets user's Actual demand, lift Consumer's Experience.
Each embodiment in this specification is described by the way of progressive, what each embodiment stressed All be the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Although having been described for the preferred embodiment of the embodiment of the present invention, those skilled in the art once obtain Cicada basic creative concept, then other change and modification can be made to these embodiments.It is so appended Claim is intended to be construed to include preferred embodiment and falls into being had altered for range of embodiment of the invention And modification.
Finally, it is to be noted that, in embodiments of the present invention, such as first and second or the like pass It is that term is used merely to make a distinction an entity or operation with another entity or operation, and not necessarily It is required that either imply between these entities or operation any this actual relation or order be present.Moreover, Term " comprising ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that Process, method, article or the terminal device of a series of elements, which must be included, not only includes those key elements, and Also include the other element that is not expressly set out, or also include for this process, method, article or The intrinsic key element of terminal device.In the absence of more restrictions, by sentence "including a ..." The key element of restriction, it is not excluded that in the process including the key element, method, article or terminal device also Other identical element be present.
Above-described is the preferred embodiment of the present invention, it should be pointed out that for the ordinary people of the art For member, some improvements and modifications can also be made under the premise of principle of the present invention is not departed from, these Improvements and modifications are also within the scope of the present invention.

Claims (14)

  1. A kind of 1. method for focusing of taking pictures, it is characterised in that including:
    Detect in touches display module the generation position of contact action and the caused by the generation position One pressure value;
    Obtain the generation opening position, in the touches display module with the first pressure value corresponding first Feature extraction region, the feature letter of target object of the extraction present image in the fisrt feature extracts region Breath, obtains characteristic matching information;
    According to the characteristic matching information, target is carried out to the successive image shown in the touches display module Tracking and focusing.
  2. 2. according to the method for claim 1, it is characterised in that
    It is described to obtain the generation opening position, it is corresponding with the first pressure value in the touches display module Fisrt feature extracts region, the spy of target object of the extraction present image in the fisrt feature extracts region Reference ceases, the step of obtaining characteristic matching information, including:
    According to the first pressure value, in the area corresponding table in a default pressure value Yu feature extraction region, First area corresponding to obtaining the first pressure value, formed in the touches display module with the generation position Center is set to, and area extracts region for the fisrt feature of first area;
    Feature extraction is carried out to the target object in fisrt feature extraction region, obtains the target object Characteristic information, obtain characteristic matching information.
  3. 3. according to the method for claim 1, it is characterised in that
    It is described according to the characteristic matching information, the successive image shown in the touches display module is carried out The step of target following and focusing, including:
    According to the characteristic matching information, matched with the successive image shown in the touches display module, The target object being consistent in the successive image with the characteristic matching information is identified, and obtains the object On-screen display (osd) area corresponding to body;
    Picture focusing is carried out in the on-screen display (osd) area.
  4. 4. according to the method for claim 1, it is characterised in that
    It is described according to the characteristic matching information, the successive image shown in the touches display module is carried out After the step of target following and focusing, methods described also includes:
    The on-screen display (osd) area where the target object that progress target following obtains, determine that second feature extracts area Domain;
    Feature extraction is carried out to the target object in second feature extraction region, obtains the target object Characteristic information, obtain the new characteristic matching information, and enter according to the characteristic matching information, it is right The successive image shown in the touches display module carries out the step of target following and focusing.
  5. 5. according to the method for claim 1, it is characterised in that
    In the detection touches display module generation position of contact action and it is described generation position on produce First pressure value when, methods described also includes:
    Obtain duration of the contact action on the generation position;
    When judging that the duration reaches predetermined time period, picture pair is carried out on the generation position Jiao, and enter and obtain the generation opening position, it is corresponding with the first pressure value in the touches display module Fisrt feature extraction region, target object of the extraction present image in the fisrt feature extracts region Characteristic information, the step of obtaining characteristic matching information.
  6. 6. according to the method for claim 1, it is characterised in that
    In the detection touches display module generation position of contact action and it is described generation position on produce First pressure value after, methods described also includes:
    Judge whether the first pressure value is in preset threshold range;
    It is described into the acquisition generation opening position when the first pressure value is in preset threshold range Fisrt feature extraction region corresponding with the first pressure value, extraction present image exist in touches display module The characteristic information of target object in fisrt feature extraction region, the step of obtaining characteristic matching information.
  7. 7. according to the method for claim 6, it is characterised in that described to judge that the first pressure value is No to be in after preset threshold range, methods described also includes:
    When the first pressure value exceeds the maximum in preset threshold range, the exceeded warning of pressure is sent.
  8. 8. a kind of electronic equipment, it is characterised in that including:
    Detection module, for detecting the generation position of contact action in touches display module and in the generation position First pressure value caused by putting;
    First acquisition module, for obtaining the generation opening position, with described in the touches display module Fisrt feature corresponding to one pressure value extracts region, and extraction present image is extracted in the fisrt feature in region Target object characteristic information, obtain characteristic matching information;
    Tracking and Focusing module, for according to the characteristic matching information, to showing in the touches display module The successive image shown carries out target following and focusing.
  9. 9. electronic equipment according to claim 8, it is characterised in that first acquisition module, bag Include:
    Acquisition submodule, for according to the first pressure value, in a default pressure value and feature extraction area In the area corresponding table in domain, the first area corresponding to the first pressure value is obtained, described touch is formed and shows On component centered on the generation position, and area extracts region for the fisrt feature of first area;
    Feature extraction submodule, carried for carrying out feature to the target object in fisrt feature extraction region Take, obtain the characteristic information of the target object, obtain characteristic matching information.
  10. 10. electronic equipment according to claim 8, it is characterised in that the tracking and Focusing module, Including:
    Match cognization submodule, for according to the characteristic matching information, with showing in the touches display module The successive image shown is matched, and identifies the target being consistent in the successive image with the characteristic matching information Object, and obtain on-screen display (osd) area corresponding to the target object;
    Focusing submodule, for carrying out picture focusing in the on-screen display (osd) area.
  11. 11. electronic equipment according to claim 8, it is characterised in that the electronic equipment also includes:
    Determining module, for the on-screen display (osd) area where the obtained target object of target following is carried out, it is determined that Second feature extracts region;
    Second acquisition module, for carrying out feature extraction to the target object in second feature extraction region, The characteristic information of the target object is obtained, obtains the new characteristic matching information, and enter according to Characteristic matching information, target following and focusing are carried out to the successive image shown in the touches display module Step.
  12. 12. electronic equipment according to claim 8, it is characterised in that the electronic equipment also includes:
    3rd acquisition module, for obtaining duration of the contact action on the generation position;
    Focusing module, for when judging that the duration reaches predetermined time period, in the generation position Put and carry out picture focusing, and enter and obtain the generation opening position, in the touches display module with it is described Fisrt feature corresponding to first pressure value extracts region, and extraction present image extracts region in the fisrt feature In target object characteristic information, the step of obtaining characteristic matching information.
  13. 13. electronic equipment according to claim 8, it is characterised in that the electronic equipment also includes:
    Judge module, for judging whether the first pressure value is in preset threshold range;Described first When pressure value is in preset threshold range, into obtaining the generation opening position, in the touches display module Fisrt feature corresponding with the first pressure value extracts region, and extraction present image carries in the fisrt feature The characteristic information of the target object in region is taken, the step of obtaining characteristic matching information.
  14. 14. electronic equipment according to claim 13, it is characterised in that the electronic equipment also includes:
    Alarm module, for the first pressure value exceed preset threshold range in maximum when, send The exceeded warning of pressure.
CN201610459680.2A 2016-06-22 2016-06-22 A kind of method and electronic equipment of focusing of taking pictures Withdrawn CN107526515A (en)

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