CN103780841A - Shooting method and shooting device - Google Patents
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- CN103780841A CN103780841A CN201410032305.0A CN201410032305A CN103780841A CN 103780841 A CN103780841 A CN 103780841A CN 201410032305 A CN201410032305 A CN 201410032305A CN 103780841 A CN103780841 A CN 103780841A
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Abstract
The embodiment of the invention discloses a shooting method. The shooting method includes the steps that when a request message for focusing a target object is received, focusing is performed on the target object; feature information of the target object is obtained; the position of the target object is monitored according to the feature information; when the situation that the position of the target object changes is monitored, focusing is performed on the target object again according to the feature information; when a shooting request is received, shooting is performed on the target object. The embodiment of the invention further discloses a shooting device. By the adoption of the shooting method and the shooting device, a clearer image can be obtained when a moving object is shot, a certain anti-shake effect is achieved, and the shooting operation is simplified.
Description
Technical field
The present invention relates to camera technique field, relate in particular to a kind of image pickup method and filming apparatus.
Background technology
At present, the terminals such as most of mobile phones or panel computer have all possessed camera function, for meet user growing demand and improve the competitiveness of product, each manufacturer constantly improves the hardware performance of camera to improve shooting effect.Camera unit in existing camera or terminal generally has automatic focusing function, such as recognition of face.The technology of recognition of face is: the face characteristic such as eyes and face is recorded in terminal memory, in the time opening face identification functions, in the image that processor CPU can send back at camera, finds face characteristic, then to its focusing.But when the target object that will take as user is not face, camera also can select the face occurring in picture to focus, and has the problem of erroneous judgement, and cannot focus to the object that does not have face characteristic.
In addition, in existing specialty shooting, have motor pattern, but its operation principle just increases aperture time, does not possess the function of focusing.When user carries out after manual focus the target object that will take, take before key takes pressing, if object is moved, camera cannot be focused to shot object again automatically, may there is phenomenon out of focus in shooting effect therefore.
Summary of the invention
The embodiment of the present invention provides a kind of image pickup method and filming apparatus, can accurately focus and improve shooting effect moving target.
The embodiment of the present invention provides a kind of image pickup method, comprising:
In the time receiving the request message that target object is focused, described target object is focused;
Obtain the characteristic information of described target object;
According to described characteristic information, monitor the position of described target object;
In the time monitoring the position of described target object and change, according to described characteristic information, described target object is re-started to focusing;
In the time receiving shooting request, described target object is taken.
The embodiment of the present invention also provides a kind of filming apparatus, comprising:
Message sink unit, for receiving the request message that target object is focused;
Focusing unit, in the time that message sink unit receives the request message that target object is focused, focuses to described target object;
Characteristic acquisition unit, for obtaining the characteristic information of described target object;
Monitoring means, for according to described characteristic information, monitors the position of described target object;
Described focusing unit also, in the time monitoring the position of described target object and change, re-starts focusing according to described characteristic information to described target object;
Take unit, in the time receiving shooting request, described target object is taken.
Implement the embodiment of the present invention, by receiving the request message that object is focused, target object is focused, and obtain the characteristic information of this target object; In the time monitoring the position of target object and change, according to characteristic information, target object is re-started to focusing, the characteristic information of the target object therefore obtaining in the time of first focusing, can be used as in the time that the position of target object changes, accurately following the trail of this target object and making this target object come back to the reference information in focus, thereby make to obtain image more clearly at the object of taking moving, and there is certain anti-shake effect and simplified shooting operation.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic flow sheet of a kind of image pickup method of the embodiment of the present invention;
Fig. 2 is the application schematic diagram of a kind of image pickup method of the embodiment of the present invention;
Fig. 3 is the structural representation of a kind of filming apparatus of the embodiment of the present invention;
Fig. 4 is the structural representation of the message sink unit of the embodiment of the present invention;
Fig. 5 is the structural representation of the focusing unit of the embodiment of the present invention;
Fig. 6 is the structural representation of the monitoring means of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention mainly can be applicable to possess the terminal of making a video recording of touch-screen, comprises mobile phone, panel computer or the digital camera etc. of touch-screen type, certainly, in other embodiments, also can be applicable to the terminal of non-touch-screen type.
Referring to Fig. 1, is the schematic flow sheet of a kind of image pickup method of the embodiment of the present invention, and the method comprises:
S101, in the time receiving the request message that target object is focused, focuses to described target object.
Concrete, receive the request message that target object is focused, comprising: carry out after camera function at unlatching camera, receive the order that starts focus lock pattern, obtain the 3rd positional information that user inputs on touch-screen, determine the target object that needs focusing according to the 3rd positional information.Focus lock pattern is herein different from existing recognition of face pattern, and it can carry out focus lock to any object.User is shielded the position of the object that will focus by point touching, generate the 3rd corresponding positional information, and terminal determines that according to the 3rd positional information and default focusing range this locational object is the target object that needs focusing.Wherein, default focusing range can be set according to parameters such as the sizes of target object by user.
Concrete, described target object is focused, comprising: gather the first image, obtain described target object and be arranged in the primary importance information of described the first image, according to described primary importance information, described target object is focused.It should be noted that, by camera collection the first image and touching screen display, go to obtain the primary importance information of this target object in the first image according to above-mentioned definite target object, control camera adjusting focal length target object is focused.
S102, obtains the characteristic information of described target object.
Concrete, according to the image of above-mentioned camera collection and the target object of focusing for the first time, extract and preserve the characteristic information of this target object, such as the relation between profile, structure, structure and the structure of target object etc.For instance, if target object is cup, the characteristic information of cup can be the shape of profile and the handle of glass body, if target object is train, the characteristic information of train can be the shape of headstock profile and car door etc.
S103, according to described characteristic information, monitors the position of described target object.
Concrete, step S103 can comprise following concrete implementation step:
Gather the second image, according to described characteristic information, obtain described target object and be arranged in the second place information of described the second image.
It should be noted that, before user presses shooting key, camera gathers the second image again, and transmits this view data to processor CPU.According to the characteristic information of the target object extracting in step S102, in the second image, search corresponding target object, and obtain the second place information of this target object, with the change in location observation process of realize target object.
In embodiments of the present invention, the collection of the first image and the second image mainly completes by the imageing sensor of camera, imageing sensor, for receiving the light of outdoor scene object reflection, makes object imaging in imageing sensor, and view data is sent in CPU.
S104, in the time monitoring the position of described target object and change, re-starts focusing according to described characteristic information to described target object.
Concrete, compare described primary importance information and described second place information.
Primary importance information and second place information are compared, whether change with the position of determining target object, whether be moved or occur situation out of focus.In fact the comparison of primary importance information and described second place information is the comparison that target object lays respectively at the pixel in pixel and the second image in the first image, and the result of comparison can comprise whether target object is moved, whether deformation occurs and whether image definition changes etc.
If it is different with described second place information that comparison result is primary importance information, the position that represents described target object changes, and now needs the target object after changing to carry out secondary focusing: according to characteristic information, described target object is re-started to focusing.The process of secondary focusing is consistent with the process of focusing for the first time, does not repeat them here.
It should be noted that, before user presses shooting key, before terminal receives the request of shooting, above-mentioned step S103 and S104 will constantly circulate, and could keep like this camera target object to be continued to the effect of following the trail of and focusing.
S105, in the time receiving shooting request, takes described target object.
Concrete, when the camera in terminal take that key is pressed or touch-screen on shooting control when clicked, the target object of having focused is taken.
Refer to Fig. 2, the application schematic diagram of a kind of image pickup method providing for the embodiment of the present invention.First, the CPU of terminal receives target object A and the primary importance thereof that needs that the first image a of being transmitted by camera and user select by touch-screen are focused, and obtains and preserve the characteristic information of target object A;
Secondly, before user presses shooting key, camera has transmitted the second image b to CPU, CPU finds the second place of target object A in the second image b according to the characteristic information of target object A, comparison primary importance and the second place, can find that movement has occurred target object A, therefore CPU controls camera and again target object A is re-started to focusing.
Adopt the embodiment of the present invention, there is following beneficial effect: by receiving the request message that object is focused, target object is focused, and obtain the characteristic information of this target object; In the time monitoring the position of target object and change, according to characteristic information, target object is re-started to focusing, the characteristic information of the target object therefore obtaining in the time of first focusing, can be used as in the time that the position of target object changes, accurately following the trail of this target object and making this target object come back to the reference information in focus, thereby make to obtain image more clearly at the object of taking moving, and there is certain anti-shake effect and simplified shooting operation.
Refer to Fig. 3, the structural representation of a kind of filming apparatus providing for the embodiment of the present invention, comprises message sink unit 31, focusing unit 32, characteristic acquisition unit 33, monitoring means 34 and takes unit 35.
Please refer to Fig. 4, message sink unit 31 comprises that the 3rd positional information is obtained subelement 311 and target object is determined subelement 312.
The 3rd positional information is obtained subelement 311, the 3rd positional information of inputting on touch-screen for obtaining user; Target object is determined subelement 312, for determine the target object that needs focusing according to described the 3rd positional information.
Carry out after camera function at unlatching camera, receive the order that starts focus lock pattern, the 3rd positional information is obtained subelement 311 and is obtained the 3rd positional information that user inputs on touch-screen, and target object determines that subelement 312 is according to the definite target object that needs focusing of the 3rd positional information.Focus lock pattern is herein different from existing recognition of face pattern, and it can carry out focus lock to any object.User is shielded the position of the object that will focus by point touching, generate the 3rd corresponding positional information, and terminal determines that according to the 3rd positional information and default focusing range this locational object is the target object that needs focusing.Wherein, default focusing range can be set according to parameters such as the sizes of target object by user.
Focusing unit 32, in the time that message sink unit 31 receives the request message that target object is focused, focuses to described target object.
Concrete, refer to Fig. 5, focusing unit 32 comprises that the first IMAQ subelement 321, primary importance obtain subelement 322, the first focusing subelement 323, comparer unit 324 and the second focusing subelement 325, wherein: and the first IMAQ subelement 321, for gathering the first image; Primary importance is obtained subelement 322, is positioned at the primary importance information of described the first image for obtaining described target object; The first focusing subelement 323, for according to described positional information, focuses to described target object.It should be noted that, by camera collection the first image and touching screen display, go to obtain the primary importance information of this target object in the first image according to above-mentioned definite target object, control camera adjusting focal length target object is focused.
Concrete, the image that characteristic acquisition unit 33 is obtained according to above-mentioned camera and the target object of focusing for the first time, extract and preserve the characteristic information of this target object, such as the relation between profile, structure, structure and the structure of target object etc.For instance, if target object is cup, the characteristic information of cup can be the shape of profile and the handle of glass body, if target object is train, the characteristic information of train can be the shape of headstock profile and car door etc.
Monitoring means 34, for according to described characteristic information, monitors the position of described target object.Concrete, refer to Fig. 6, monitoring means 34 comprises that the second IMAQ subelement 341 and the second place obtain subelement.Wherein: the second IMAQ subelement 341, for gathering the second image, the second place is obtained subelement 332 for according to described characteristic information, obtains described target object and be arranged in the second place information of described the second image,
It should be noted that, before user presses shooting key, the second IMAQ subelement 341 gathers the second image again, and transmits this view data to processor CPU.The characteristic information of the target object extracting according to characteristic acquisition unit 33 is searched corresponding target object in the second image, and obtains the second place information of this target object, with the change in location observation process of realize target object.
In embodiments of the present invention, the collection of the first image and the second image mainly completes by the imageing sensor of camera, imageing sensor, for receiving the light of outdoor scene object reflection, makes object imaging in imageing sensor, and view data is sent in CPU.
Focusing unit 32 also when monitoring the position of described target object when monitoring means 34 and change, re-starts focusing according to described characteristic information to described target object.
Primary importance information and second place information are compared, whether change with the position of determining target object, whether be moved or occur situation out of focus.In fact the comparison of primary importance information and described second place information is the comparison that target object lays respectively at the pixel in pixel and the second image in the first image, and the result of comparison can comprise whether target object is moved, whether deformation occurs and whether image definition changes etc.
The second focusing subelement 325, is described primary importance information when different with described second place information for comparison result, according to described characteristic information, described target object is re-started to focusing.
If it is different with described second place information that comparison result is primary importance information, the position that represents described target object changes, and now needs the target object after changing to carry out secondary focusing: according to characteristic information, described target object is re-started to focusing.The process of secondary focusing is consistent with the process of focusing for the first time, does not repeat them here.
It should be noted that, before user presses shooting key, before terminal receives the request of shooting, above-mentioned step S103 and S104 will constantly circulate, and could keep like this camera target object to be continued to the effect of following the trail of and focusing.
Take unit 35, in the time receiving shooting request, described target object is taken.
Concrete, when the camera in terminal take that key is pressed or touch-screen on shooting control when clicked, the target object of having focused is taken.
Adopt the embodiment of the present invention, there is following beneficial effect: by receiving the request message that object is focused, target object is focused, and obtain the characteristic information of this target object; In the time monitoring the position of target object and change, according to characteristic information, target object is re-started to focusing, the characteristic information of the target object therefore obtaining in the time of first focusing, can be used as in the time that the position of target object changes, accurately following the trail of this target object and making this target object come back to the reference information in focus, thereby make to obtain image more clearly at the object of taking moving, and there is certain anti-shake effect and simplified shooting operation.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, can carry out the hardware that instruction is relevant by computer program to complete, described program can be stored in a computer read/write memory medium, this program, in the time carrying out, can comprise as the flow process of the embodiment of above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
The step order of the method for the embodiment of the present invention can be adjusted according to actual needs, merges or delete.The unit of the terminal of the embodiment of the present invention or subelement can be integrated according to actual needs, Further Division or delete.
The module of the embodiment of the present invention or module, can be with universal integrated circuit (as central processor CPU), or realizes with application-specific integrated circuit (ASIC) (ASIC).
Above disclosed is only preferred embodiment of the present invention, certainly can not limit with this interest field of the present invention, and the equivalent variations of therefore doing according to the claims in the present invention, still belongs to the scope that the present invention is contained.
Claims (10)
1. an image pickup method, is characterized in that, comprising:
In the time receiving the request message that target object is focused, described target object is focused;
Obtain the characteristic information of described target object;
According to described characteristic information, monitor the position of described target object;
In the time monitoring the position of described target object and change, according to described characteristic information, described target object is re-started to focusing;
In the time receiving shooting request, described target object is taken.
2. image pickup method as claimed in claim 1, is characterized in that, described described target object is focused, and comprising:
Gather the first image;
Obtain the primary importance information that described target object is arranged in described the first image;
According to described primary importance information, described target object is focused.
3. image pickup method as claimed in claim 2, is characterized in that, described according to described characteristic information, monitors the position of described target object, comprising:
Gather the second image;
According to described characteristic information, obtain described target object and be arranged in the second place information of described the second image.
4. image pickup method as claimed in claim 3, is characterized in that, describedly in the time monitoring the position of described target object and change, according to described characteristic information, described target object is re-started to focusing, comprising:
Compare described primary importance information and described second place information;
If it is different with described second place information that comparison result is described primary importance information, according to described characteristic information, described target object is re-started to focusing.
5. the image pickup method as described in claim 1 to 4 any one, is characterized in that, described in receive the request message that target object is focused, comprising:
Obtain the 3rd positional information that user inputs on touch-screen;
Determine the target object that needs focusing according to described the 3rd positional information.
6. a filming apparatus, is characterized in that, comprising:
Message sink unit, for receiving the request message that target object is focused;
Focusing unit, in the time that message sink unit receives the request message that target object is focused, focuses to described target object;
Characteristic acquisition unit, for obtaining the characteristic information of described target object;
Monitoring means, for according to described characteristic information, monitors the position of described target object;
Described focusing unit also, in the time monitoring the position of described target object and change, re-starts focusing according to described characteristic information to described target object;
Take unit, in the time receiving shooting request, described target object is taken.
7. image pickup method as claimed in claim 6, is characterized in that, described focusing unit comprises:
The first IMAQ subelement, for gathering the first image;
Primary importance is obtained subelement, is positioned at the primary importance information of described the first image for obtaining described target object;
The first focusing subelement, for according to described positional information, focuses to described target object.
8. image pickup method as claimed in claim 7, is characterized in that, described monitoring means comprises:
The second IMAQ subelement, for gathering the second image;
The second place is obtained subelement, for according to described characteristic information, obtains described target object and be arranged in the second place information of described the second image.
9. image pickup method as claimed in claim 8, is characterized in that, described focusing unit also comprises:
Comparer unit, for comparing described primary importance information and described second place information;
The second focusing subelement, is described primary importance information when different with described second place information for comparison result, according to described characteristic information, described target object is re-started to focusing.
10. the image pickup method as described in claim 6 to 9 any one, is characterized in that, message sink unit comprises:
The 3rd positional information is obtained subelement, the 3rd positional information of inputting on touch-screen for obtaining user;
Target object is determined subelement, for determine the target object that needs focusing according to described the 3rd positional information.
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