CN105898134A - Image acquisition method and device - Google Patents
Image acquisition method and device Download PDFInfo
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- CN105898134A CN105898134A CN201510782680.1A CN201510782680A CN105898134A CN 105898134 A CN105898134 A CN 105898134A CN 201510782680 A CN201510782680 A CN 201510782680A CN 105898134 A CN105898134 A CN 105898134A
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Abstract
The invention provides an image acquisition method and device. A focusing target area is acquired. The target area is detected to acquire an object to be photographed from the target area. The feature information of the target is identified. The feature information is used as a tracking basis to locate the target. According to locating, the image information of the target is collected. According to the invention, the target is constantly located through the feature information of the target; in the process of image acquiring, focusing position is continuously updated; and photographing and video recording are clear.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to a kind of image acquiring method and device.
Background technology
Smart mobile phone has gradually been dissolved among people's daily life at present, not only becomes daily communication
Equipment, also becomes the daily amusement equipment being easy to carry about with one.In smart mobile phone, the configuration of camera is increasingly
Height, as being provided with the performances such as large aperture, high pixel and optical anti-vibration, and based on smart mobile phone
Portability, user increasingly likes carrying out taking pictures or recording video by the camera on smart mobile phone.
Shooting photo or recorded video when, camera acquiescence is all to focus in central area, removes
Focusing just can be transferred to the position of touch by click (touch).When reference object is at camera lens
The when of moving about in front, especially the when of recorded video, mobile phone is also wanted constantly along with shooting
The motion of object is constantly moved, and this all can make focusing mortality be greatly promoted, and affects Consumer's Experience.
Summary of the invention
The present invention provides a kind of image acquiring method and device, for solving the reference object to movement
The problem that focusing mortality is bigger is there is when carrying out taking pictures or recording video.
To achieve these goals, the invention provides a kind of image acquiring method, including:
Obtain the target area carrying out focusing；
Detect described target area and therefrom get target to be captured；
Identify described clarification of objective information；
Using described characteristic information as following the tracks of according to positioning described target；
Image information according to target described in positioning acquisition.
To achieve these goals, the invention provides a kind of image acquiring device, including:
Acquisition module, for obtaining the target area carrying out focusing；
Detection module, is used for detecting described target area and therefrom gets target to be captured；
Identification module, is used for identifying described clarification of objective information；
Locating module, for positioning described characteristic information for described target as following the tracks of foundation；
Acquisition module, for the image information according to target described in positioning acquisition.
The image acquiring method of the present invention and device, carry out the target area focused by acquisition, inspection
Survey described target area and therefrom get target to be captured, identify described clarification of objective information, will
Described characteristic information is as following the tracks of according to positioning described target, according to the figure of target described in positioning acquisition
As information.The present invention, by the position of clarification of objective information moment location target, is gathering image
During constantly update focusing position, thus ensure that and take pictures and recorded video clear.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the image acquiring method of the embodiment of the present invention one；
Fig. 2 is the structural representation of the image acquiring device of the embodiment of the present invention two；
Fig. 3 is the structural representation of the image acquiring device of the embodiment of the present invention three.
Detailed description of the invention
The image acquiring method and the device that there is provided the embodiment of the present invention below in conjunction with the accompanying drawings are carried out
Describe in detail.
Embodiment one
As it is shown in figure 1, the schematic flow sheet of the image acquiring method that it is the embodiment of the present invention one,
This image acquiring method includes:
Step 101, acquisition carry out the target area focused.
In the present embodiment, user, can be at smart mobile phone attempting to take pictures or during recorded video
Screen is clicked on, and this click commands is carried out when just can indicate that the region that will click on as shooting
The region of focusing.After receiving click commands, the region choosing click just can be arranged by camera
For target area.
The method of another kind of acquisition target area is: after smart mobile phone opens camera, do not receiving
During the click commands of user, camera just can be using the central area of acquiescence as target area.
Before obtaining target area, smart mobile phone can be that camera selects pattern, if to be captured
Target is mobile target, camera mode can be adjusted to motion module.Specifically, smart mobile phone
Receiving mode selection command, camera is set to motion module for instruction by described mode selection command,
According to described mode selection command, screening-mode is set to motor pattern by this camera.
Step 102, detect described target area and therefrom get target to be captured.
After choosing target area, target area can be detected by camera, therefrom gets
Target to be captured.Such as when target area occurs motion child, camera can therefrom be examined
The child measuring this motion is target to be captured.
Step 103, identify described clarification of objective information.
Step 104, using described characteristic information as follow the tracks of according to position described target.
Step 105, image information according to target described in positioning acquisition.
Specifically, first pass through the substantial amounts of image with obvious feature and use pattern recognition
Method is trained obtaining grader, just can identify photographic subjects to be located based on this grader
Characteristic information.Such as, as the child that target to be captured is motion, little friend can be identified
Friend's head portrait is as characteristic information.
After getting the characteristic information of personage or object, carry out to preferably treat photographic subjects
Image acquisition, in the present embodiment, camera will get characteristic information as according to treating photographic subjects
It is tracked, then treats photographic subjects according to the information navigated to and carry out taking pictures or recorded video,
Obtain the image information of target.By the means of locating and tracking in the present embodiment, even if mesh to be captured
When being designated as mobile target, it is also possible in focusing quickly to target, thus ensure that and take pictures or record
The definition of video processed.
Blocking of some objects is also had owing to having the change of posture when that children being at play
Etc. situation, in order to solve the problems referred to above, the camera characteristic information to getting carries out sparse coding,
Obtain topography's block that described characteristic information is corresponding, use this topography's block to treat photographic subjects
It is tracked location.Further, when target to be captured is blocked, amendment sparse coefficient is to upper
State topography's block to be modified deleting the image block of the part that is blocked, according to amended described
Topography's block is tracked location to described target.Such as, carried out by logistic regression grader
Classification, it is possible to distinguish target and background quickly.
The image acquiring method that the present embodiment provides, carries out the target area focused by acquisition, inspection
Survey described target area and therefrom get target to be captured, identify described clarification of objective information, will
Described characteristic information is as following the tracks of according to positioning described target, according to the figure of target described in positioning acquisition
As information.The present embodiment, by the position of clarification of objective information moment location target, is gathering figure
Constantly update focusing position during Xiang, thus ensure that and take pictures and recorded video clear, use
Family impression is preferably.
Embodiment two
As in figure 2 it is shown, the structural representation of the image acquiring device that it is the embodiment of the present invention two.
This device includes: acquisition module 11, detection module 12, identification module 13, locating module 14 and
Acquisition module 15.
Wherein, acquisition module 11, for obtaining the target area carrying out focusing.
Detection module 12, is used for detecting described target area and therefrom gets target to be captured.
Identification module 13, is used for identifying described clarification of objective information.
Locating module 14, for positioning described characteristic information for described target as following the tracks of foundation.
Acquisition module 15, for the image information according to target described in positioning acquisition.
Each functional module of the image acquiring device that the present embodiment provides can be used for performing Fig. 1 institute
The flow process of the image acquiring method shown, its specific works principle repeats no more, and refers to method real
Execute the description of example.
The image acquiring device that the present embodiment provides, carries out the target area focused by acquisition, inspection
Survey described target area and therefrom get target to be captured, identify described clarification of objective information, will
Described characteristic information is as following the tracks of according to positioning described target, according to the figure of target described in positioning acquisition
As information.By the position of clarification of objective information moment location target, in the process gathering image
Middle continuous renewal focusing position, it is ensured that taking pictures and the definition of recorded video, user experiences preferable.
Embodiment three
Shown in Fig. 3, it is the structural representation of image acquiring device of the embodiment of the present invention three.Should
Device includes the acquisition module 11 in above-described embodiment three, detection module 12, identification module 13, determines
Position module 14 and acquisition module 15.
Wherein, a kind of optional frame mode of described locating module 14, including: coding unit 141
With positioning unit 142.
Specifically, coding unit 141, for described feature is carried out sparse coding, obtain described spy
The topography's block levied.
Positioning unit 142, is used for using described topography block that described target is tracked location.
Further, described coding unit 141, it is additionally operable to, when described target is blocked, revise dilute
Described topography block is modified deleting the image block of the part that is blocked by sparse coefficient.
Described positioning unit 142, is additionally operable to according to amended described topography block described target
It is tracked location.
Further, described acquisition module 11, specifically for receiving click commands, described click refers to
Order carries out the region focused in time indicating shooting, during according to described click commands by described shooting
The region carrying out focusing is as described target area.
Further, described acquisition module 11, specifically for using preset central area as described
Target area.
Each functional module of the image acquiring device that the present embodiment provides can be used for performing Fig. 1 institute
The flow process of the image acquiring method shown, its specific works principle repeats no more, and refers to method real
Execute the description of example.
The image acquiring device that the present embodiment provides, carries out the target area focused by acquisition, inspection
Survey described target area and therefrom get target to be captured, identify described clarification of objective information, will
Described characteristic information is as following the tracks of according to positioning described target, according to the figure of target described in positioning acquisition
As information.By the position of clarification of objective information moment location target, in the process gathering image
Middle continuous renewal focusing position, it is ensured that taking pictures and the definition of recorded video, user experiences preferable.
One of ordinary skill in the art will appreciate that: realize the whole of above-mentioned each method embodiment
Or part steps can be completed by the hardware that programmed instruction is relevant.Aforesaid program is permissible
It is stored in a computer read/write memory medium.This program upon execution, performs to include
State the step of each method embodiment；And aforesaid storage medium includes: ROM, RAM, magnetic
The various medium that can store program code such as dish or CD.
It is last it is noted that various embodiments above is only in order to illustrate technical scheme,
It is not intended to limit；Although the present invention being described in detail with reference to foregoing embodiments,
It will be understood by those within the art that: foregoing embodiments still can be remembered by it
The technical scheme carried is modified, or carries out the most some or all of technical characteristic
With replacing；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this
Invent the scope of each embodiment technical scheme.
Claims (10)
1. an image acquiring method, it is characterised in that including:
Obtain the target area carrying out focusing；
Detect described target area and therefrom get target to be captured；
Identify described clarification of objective information；
Using described characteristic information as following the tracks of according to positioning described target；
Image information according to target described in positioning acquisition.
Image acquiring method the most according to claim 1, it is characterised in that described by described
Characteristic information positions described target as following the tracks of foundation, including:
Described characteristic information is carried out sparse coding, obtains the topography that described characteristic information is corresponding
Block；
Use described topography block that described target is tracked location.
Image acquiring method the most according to claim 2, it is characterised in that described use institute
State topography's block and described target is tracked location, including:
When described target is blocked, amendment sparse coefficient described topography block is modified with
Delete the image block of the part that is blocked；
It is tracked positioning to described target according to amended described topography block.
4. according to the image acquiring method described in any one of claim 1-3, it is characterised in that institute
State and obtain the target area carrying out focusing, including:
Receiving click commands, described click commands carries out the region focused in time indicating shooting；
The region carrying out focusing during according to described click commands using described shooting is as described target area.
5. according to the image acquiring method described in any one of claim 1-3, it is characterised in that institute
State and obtain the target area carrying out focusing, including:
Using preset central area as described target area.
6. an image acquiring device, it is characterised in that including:
Acquisition module, for obtaining the target area carrying out focusing；
Detection module, is used for detecting described target area and therefrom gets target to be captured；
Identification module, is used for identifying described clarification of objective information；
Locating module, for positioning described characteristic information for described target as following the tracks of foundation；
Acquisition module, for the image information according to target described in positioning acquisition.
Image acquiring device the most according to claim 6, it is characterised in that described location mould
Block, including:
Coding unit, for described feature is carried out sparse coding, obtains the Local map of described feature
As block；
Positioning unit, is used for using described topography block that described target is tracked location.
Image acquiring device the most according to claim 7, it is characterised in that described coding list
Unit, is additionally operable to when described target is blocked, and described topography block is carried out by amendment sparse coefficient
Revise to delete the image block of the part that is blocked；
Described positioning unit, is additionally operable to enter described target according to amended described topography block
Line trace positions.
9. according to the image acquiring device described in any one of claim 6-8, it is characterised in that institute
State acquisition module, specifically for receiving click commands, when described click commands is used for indicating shooting
Carry out the region focused, carry out during according to described click commands using described shooting the region focused as
Described target area.
10. according to the image acquiring device described in any one of claim 6-8, it is characterised in that institute
State acquisition module, specifically for using preset central area as described target area.
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| CN201510782680.1A CN105898134A (en) | 2015-11-15 | 2015-11-15 | Image acquisition method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510782680.1A CN105898134A (en) | 2015-11-15 | 2015-11-15 | Image acquisition method and device |
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| CN105898134A true CN105898134A (en) | 2016-08-24 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019090734A1 (en) * | 2017-11-10 | 2019-05-16 | 深圳市柔宇科技有限公司 | Photographing method and apparatus, mobile terminal, and computer readable storage medium |
| CN111510742A (en) * | 2020-04-21 | 2020-08-07 | 北京仁光科技有限公司 | System and method for transmission and display of at least two video signals |
| CN111510741A (en) * | 2020-04-21 | 2020-08-07 | 北京仁光科技有限公司 | System and method for transmission and distributed display of at least two video signals |
| CN112312005A (en) * | 2020-02-12 | 2021-02-02 | 北京字节跳动网络技术有限公司 | Image acquisition method and device |
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| CN103780841A (en) * | 2014-01-23 | 2014-05-07 | 深圳市金立通信设备有限公司 | Shooting method and shooting device |
| CN103986865A (en) * | 2013-02-13 | 2014-08-13 | 索尼公司 | Imaging apparatus, control method, and program |
| CN104902182A (en) * | 2015-05-28 | 2015-09-09 | 努比亚技术有限公司 | Method and device for realizing continuous auto-focus |
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| CN101867699A (en) * | 2010-05-25 | 2010-10-20 | 中国科学技术大学 | Real-time tracking method of nonspecific target based on partitioning |
| CN103986865A (en) * | 2013-02-13 | 2014-08-13 | 索尼公司 | Imaging apparatus, control method, and program |
| CN103544483A (en) * | 2013-10-25 | 2014-01-29 | 合肥工业大学 | United target tracking method based on local sparse representation and system thereof |
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| WO2019090734A1 (en) * | 2017-11-10 | 2019-05-16 | 深圳市柔宇科技有限公司 | Photographing method and apparatus, mobile terminal, and computer readable storage medium |
| CN112312005A (en) * | 2020-02-12 | 2021-02-02 | 北京字节跳动网络技术有限公司 | Image acquisition method and device |
| CN111510742A (en) * | 2020-04-21 | 2020-08-07 | 北京仁光科技有限公司 | System and method for transmission and display of at least two video signals |
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