CN104065884B - Photographic method and its device - Google Patents
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Abstract
The present invention provides a kind of photographic method and its device, photographic method includes control unit to the step of camera transmission shooting instruction and the step of camera is acquired to image, wherein, after camera is acquired to image, the picture that the image information collected is output to camera is preserved thread by camera；Picture preserves file handle generation thread output request instruction of the thread to control unit；File handle generates thread creation new file；File handle generation thread opens new file；File handle generation thread, which obtains the file handle of new file and file handle is output into picture, preserves thread；Picture preserves thread and image information is written into new file according to file handle and picture is saved as.And using the camera arrangement of the photographic method.The photographic method and camera arrangement are while realizing snapshots and continuously taking pictures, and can also have improve its applicability in different system.
Description
Technical field
The present invention relates to image taking field, more particularly to a kind of picture photographic method and with the photographic method
Camera arrangement.
Background technology
After mobile phone and tablet personal computer incorporate daily life gradually, increasing mobile phone and tablet personal computer are all installed to number
Code camera, is lived with being convenient for people to shoot picture and record.Reference picture 1, Fig. 1 takes pictures for the common of existing digital camera head
The flow chart of method, is first carried out step S11, i.e. user and presses shooting button, subsequent photographing control unit receives user and needed
Step S12 is then performed after the instruction shot, control unit sends to the camera positioned at hardware layer and shoots instruction, then
Camera, which performs step S13 and collected, works as previous frame image, and camera then performs step S14 by the image information collected
It is output to control unit.Step S15 is then performed, the picture of control unit preserves the image letter that thread receives control unit
Breath is saved in storage device.The picture preservation thread that the wherein step S15 of the preservation picture includes control unit creates one first
Individual new file, then the picture of control unit preserve thread and open the new file, the picture of last control unit preserves thread
Image information is written in the new file opened and preserved.The picture for then performing step S16 control units again is protected
Thread is deposited by being fed back to control unit, informs that control unit can carry out taking pictures next time.
But the preserving type of image information is first to be passed the image information collected by camera in above-mentioned photographic method
Send back to control unit, then created, opened and write by control unit, so that the step of completing to preserve picture, that is, complete
Preserve after picture step, can so carry out shooting action next time.
In order to solve the slow-footed problem of taking pictures that above-mentioned photographic method is present, so as to improve the user's body of digital camera head
Test, the developers of mobile terminal are numerous and confused to add snapshots and the continuous exposal model such as take pictures so that user can realize
Snapshots and it can realize in the short time and be continuously shot plurality of pictures and be fabricated to animation.Reference picture 2, Fig. 2 is existing one kind
The flow chart of snapshots method, is first carried out step S21, i.e. user and presses shooting button, subsequent photographing control unit is received
Need then to perform step S22, i.e. control unit after the instruction shot to user to send bat to the camera positioned at hardware layer
Instruction is taken the photograph, subsequent camera, which performs step S23 and collected, works as previous frame image.Collecting camera after image information will simultaneously
Step S24 and step S25 is performed, it is next that execution step S24 informs that control unit can be carried out for camera to control unit feedback
Secondary to take pictures, performing step S25, to be camera preserve thread by the picture for collecting image information and being output to camera, camera
Picture preserves thread and image information is saved in storage device again, wherein, the step of preserving the image information includes camera
Picture preserve thread create a new file first, then camera picture preserve thread the new file is opened, finally
The picture of camera preserves thread and is written to image information in the new file opened and is preserved.Then step is performed
S26, the picture of camera preserves thread by being fed back to control unit, informs that control unit can read the figure in the storage device
Piece, and its preview graph can be read by control unit.
Reference picture 3, Fig. 3 is a kind of existing continuous photographing method flow chart, and step S31, i.e. user is first carried out and presses bat
Button is taken the photograph, subsequent photographing control unit receives after user needs the instruction shot and then performs step S32, i.e. control unit
Sent to the camera positioned at hardware layer and be continuously shot instruction, for example, it is the finger for being continuously shot ten pictures to be continuously shot instruction
Order, subsequent camera, which performs step S33 and collected, works as previous frame image.Then step S34 cameras are performed by control
Unit feedback informs that control unit sends voice prompt, points out to have completed the shooting of a pictures, step S35 is then performed again,
I.e. the picture for collecting image information and being output to camera is preserved thread by camera, and the picture of camera preserves thread again will figure
As information is saved in storage device.Wherein, picture of the step of the preserving the image information including camera preserves thread first
A new file is created, then the picture of camera preserves thread and opens the new file, the picture of last camera preserves line
Image information is written in the new file opened and preserved by journey.Then step S26 is performed, the picture of camera is preserved
Thread informs that control unit can read the picture in the storage device, and can pass through control unit by being fed back to control unit
Read its preview graph.Step S27 is then performed again, that is, judges whether the quantity for gathering image meets preset value, due to performing
The instruction for being continuously shot ten pictures is have issued in step S32, so step S237 is to judge whether the quantity for gathering image is full
Ten pictures of foot, such as quantity of the image of collection are discontented ten, then return to step S33, proceeds to gather next two field picture.Such as
The quantity of the image of collection meets the preset value of ten, then performs step S38, and camera informs that control is single to control unit feedback
Member can be taken pictures next time.
From above-mentioned snapshots method and the method continuously taken pictures, by being opened up in the camera positioned at hardware layer
There are two threads, one of thread is camera image collecting thread, and the IMAQ thread is used for the figure for gathering present frame
Picture, another thread preserves thread for the picture of camera, and the picture of the camera, which preserves thread, to be used to create, open, write
Enter and preserve the image information of collection.Cause the image information collected is no longer sent to control single by the dual-thread of camera
Handle or preserve in member, continuously taken pictures so as to improve take pictures speed and realization.
However, above-mentioned snapshots method and the method continuously taken pictures can be in the systems of Android 4.1 and in Android 4.1
In system before system, reason is due to that the hardware layer of the system of Android 4.1 and the system before the system of Android 4.1 has
The authority of action such as created, opened, write and preserved in the storage device, when the snapshots method and the continuous side of taking pictures
Method apply the system of Android 4.2 or some lacked the authority for being created and being opened in the storage device in its hardware layer when,
Then the snapshots method and continuous photographing method can not be realized in some newer operating systems uses, and have impact on this and takes pictures
The applicability of method.
The content of the invention
The first object of the present invention is to provide a kind of can applying in multisystem and taking pictures with broad applicability
Method.
The second object of the present invention is to provide a kind of can applying in multisystem and taking pictures with broad applicability
Device.
In order to realize the first object of the present invention, a kind of photographic method of present invention offer, including control unit to camera
The step of the step of sending shooting instruction and camera are acquired to image, wherein, after camera is acquired to image,
The picture that the image information collected is output to camera is preserved thread by camera；Picture preserves text of the thread to control unit
Part handle generation thread output request instruction；File handle generates thread creation new file；File handle generation thread will new text
Part is opened；File handle generation thread, which obtains the file handle of new file and file handle is output into picture, preserves thread；Figure
Piece preserves thread and image information is written into new file according to file handle and picture is saved as.
From such scheme, thread, profit are generated by being provided with the file handle of control unit on application software layer
New file is created and opened with file handle generation thread, then the file handle of the new file is output to positioned at hardware
The picture of layer is preserved on thread so that picture preserves thread and can write image information according to the path described by this document handle
Into new file and it is saved as picture, the access path of the file due to file handle for storage in the storage device is led to
Operation can be then written and read to this document by crossing the access path of this document, and new file is entered so generating thread by file handle
Row creates, opens and obtain file handle, so as to avoid because hardware layer lacks new file is created or opened
Authority causes snapshots method and continuous photographing method can not utilize application software layer at some compared with the use in new system
File handle generation thread new file is created and opened, recycle the picture preservation thread of hardware layer by image information
It is written in new file, so that the photographic method of the reality present invention can be applied in different system, is conducive to improving the bat
According to the applicability of method.
Further scheme is to shoot instruction to shoot the instruction of single picture, and photographic method is additionally included in camera
After being acquired to image, camera allows instruction to control unit output.
Therefore, instruction is shot to shoot during single picture, after camera is acquired image, by holding simultaneously
Row camera exports the step of allowing instruction and camera to control unit and the image information collected is output into camera
The step of picture preserves thread, make it that control unit can be rapid while image information is preserved using the setting of multithreading
Ground carries out the shooting of next pictures, is conducive to raising to take pictures speed and lifting Consumer's Experience.
Further scheme is to shoot instruction to shoot the instruction of plurality of pictures, and thread is preserved according to file in picture
Image information is written to new file and saved as after picture by handle, photographic method also include judge collection image quantity whether
Preset value is reached, the step of camera is acquired to image is returned to if the quantity of image is not up to preset value.
Therefore, instruction is shot to shoot during plurality of pictures, by judging it is default whether the quantity for gathering image reaches
The step of value so that the photographic method can intelligently carry out the shooting of plurality of pictures, so as to facilitate user to enter plurality of pictures
Row is continuously shot, and is conducive to lifting Consumer's Experience.
Further scheme is that camera allows to refer to control unit output if the quantity of image reaches preset value
Order.
Therefore, instruction is then allowed by output after the quantity of image reaches preset value so that control unit can be entered
The shooting of row next time.
Further scheme is, the photographic method is additionally included in after the camera is acquired to image, described
Camera exports hint instructions to described control unit.
Therefore, voice prompt make it that user knows the progress of current photographic method, so as to be conducive to user more preferable
Current progress of taking pictures is grasped, is conducive to lifting Consumer's Experience.
In order to realize the second object of the present invention, the present invention provides a kind of camera arrangement, including for being adopted to image
The camera of collection and the control unit that instruction is shot for being sent to camera, wherein, camera arrangement also includes：Picture preserves single
Member and file handle generation unit, picture storage unit receive the image information of camera output, and picture storage unit is to file
Handle generation unit exports request instruction, and file handle generation unit is additionally operable to create new file, new file is opened, obtains new
The file handle of file and file handle is output to picture storage unit, picture storage unit is according to file handle by image
Information is written to new file and saves as picture.
From such scheme, by the file handle generation unit set on application software layer, file handle is utilized
Generation unit is created and opened to new file, then the file handle of the new file is output into the picture guarantor positioned at hardware layer
On memory cell so that image information can be written in new file by picture storage unit according to the path described by this document handle
And picture is saved as, the access path of the file due to file handle for storage in the storage device passes through this document
Access path can then be written and read operation to this document, so being created, being beaten to new file by file handle generation unit
File handle is opened and obtains, so that avoid causes soon because hardware layer lacks the authority for being created or being opened to new file
Fast photographic method and continuous photographing method can not utilize the file handle of application software layer at some compared with the use in new system
Generation unit is created and opened to new file, recycles the picture storage unit of hardware layer that image information is written into new text
In part, so that the camera arrangement of the reality present invention can be applied in different system, be conducive to improving the suitable of the camera arrangement
The property used.
Brief description of the drawings
Fig. 1 is a kind of flow chart of existing common photographic method.
Fig. 2 is the flow chart of a kind of existing snapshots method.
Fig. 3 is a kind of flow chart of existing continuous photographing method.
Fig. 4 is the flow chart of the snapshots method of photographic method first embodiment of the present invention.
Fig. 5 is the flow chart of the continuous photographing method of photographic method second embodiment of the present invention.
Fig. 6 is the system block diagram of camera arrangement embodiment of the present invention.
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment
Photographic method first embodiment：
Reference picture 4, Fig. 4 is the flow chart of snapshots method.First, perform step S41, i.e. user press shooting by
Key, the control unit being subsequently fitted on terminal application software layer receives after user needs the instruction shot and then performs step
Rapid S42, i.e. control unit send single shot instruction to the camera positioned at hardware layer, and subsequent camera performs step S43 simultaneously
Collect and work as previous frame image.Step will be performed while perform step S44 and step S45 by collecting after image information camera
S44 is that camera allows instruction to control unit output, and control unit is taken pictures next time, while performing step
S45 be camera by collect image information be output to camera picture preserve thread.
The image information collected is being output to after the picture preservation thread of hardware layer camera, is then performing step
Rapid S46, picture preserves thread to the file handle generation thread output request instruction positioned at application software layer control unit, that is, schemes
Piece preserves thread request file handle generation thread and asks for image information storing path.Then perform step S47, file handle life
Into one new file of thread creation, and the new file is opened, so as to obtain the file handle of the new file.Due to file handle
For the access path of file, so can then be written and read operation to this document by this document handle.Then step is performed again
S48, file handle generates thread and the file handle of new file is output in picture preservation thread, then performs step S49, figure
Piece preserves thread and image information is written in new file according to this document handle, and is saved as picture file to complete list
The snapshots method of pictures.
Photographic method second embodiment：
Reference picture 5, Fig. 5 is the flow chart of continuous photographing method.First, perform step S51, i.e. user press shooting by
Key, the control unit being subsequently fitted on terminal application software layer receives after user needs the instruction shot and then performs step
Rapid S52, i.e. control unit send the instruction for being continuously shot plurality of pictures to the camera positioned at hardware layer, and subsequent camera is performed
Step S53 is simultaneously collected and is worked as previous frame image.Collect after image information camera will while perform step S54 and step S55,
It is that camera exports hint instructions to control unit to perform step S54, and control unit is sent sound according to the hint instructions
User is pointed out, to represent the shooting for completing a pictures, while it is that camera will collect image information output to perform step S55
Picture to camera preserves thread.
The image information collected is being output to after the picture preservation thread of hardware layer camera, is then performing step
Rapid S56, picture preserves thread to the file handle generation thread output request instruction positioned at application software layer control unit, that is, schemes
Piece preserves thread request file handle generation thread and asks for image information storing path.Then perform step S57, file handle life
Into one new file of thread creation, and the new file is opened, so that the file handle of the new file is obtained, due to file handle
For the access path of file, so can then be written and read operation to this document by this document handle.Then step is performed again
S48, file handle generates thread and the file handle of new file is output in picture preservation thread, then performs step S49, figure
Piece preserves thread and image information is written in new file according to this document handle, and is saved as picture file.
One pictures are completed after preserving, step S60 is then performed, judge whether the quantity for gathering image reaches default
Value, that is, judge whether the quantity for preserving picture has reached and shoot the set preset value of plurality of pictures instruction, such as not up to default
Value, then return and perform step S53, continues to gather the current frame image of next, and perform successively step S54, S55, S56,
S57, S58 and S59, so that next Zhang Suoxu shooting pictures be preserved.When the quantity for judging to preserve picture has reached bat
When taking the photograph the preset value set by plurality of pictures instruction, then step S61 is performed, camera allows instruction to control unit output, and
Control unit is taken pictures next time, complete the continuous photographing method of plurality of pictures.
Camera arrangement embodiment：
Reference picture 6, Fig. 6 is the system block diagram of camera arrangement 6.Camera arrangement 6 is provided with judgement on application software layer 61
Unit 62, control unit 63 and file handle generation unit 64, camera arrangement 6 are provided with camera 66 and figure on hardware layer 65
Piece storage unit 67.
When taking pictures, sent positioned at the control unit 63 of application software layer 61 to camera 66 and shoot instruction, camera 66 connects
Then current image is acquired after receiving shooting instruction.Camera 66 completes collection image information and is located at picture preservation backward
The image information that unit 67 is exported, subsequent picture storage unit 67 exports request instruction to file handle generation unit 64, i.e.,
The demand file handle generation unit 67 of picture storage unit 67 generates the storing path of image information, and then file handle generation is single
Member 64 creates a new file, and the new file is opened to obtain the file handle of the new file.Due to passing through this document sentence
Handle can then be written and read operation to this document, so this document handle is output to picture by file handle generation unit 64 preserves single
Member 67.Image information is written in new file by subsequent picture storage unit 67 according to the file handle path of acquisition, and by its
Save as picture.
Preferably, when shooting instruction of the instruction to shoot single picture, present image collection is finished in camera 66
Afterwards, camera 66 allows instruction to the output of control unit 63 so that control unit 63 can carry out the shooting of next pictures.
Preferably, when shooting instruction of the instruction to shoot plurality of pictures, present image collection is finished in camera 66
Afterwards, camera 66 exports hint instructions to control unit 63, and control unit 66 is sent auditory tone cues according to the hint instructions
User, to represent the shooting for completing a pictures.And completed after preserving, judged by 67 pair of one pictures of picture storage unit
Unit 62 judges whether the quantity for gathering image reaches preset value, and the quantity of such as image does not reach preset value, then single by controlling
Member 63 exports return instruction to camera 66, and camera 66 is shot next pictures, and the quantity of such as image reaches default
Value, then allow instruction so that control unit 63 can carry out taking pictures next time by camera 66 to the output of control unit 63.
From such scheme, Android 4.2 or some its hardware layer lacked carry out creating in the storage device and
During the authority of opening, thread can be generated by being provided with the file handle of control unit on application software layer, utilize file sentence
Handle generation thread is created and opened to new file, then the file handle of the new file is output into the picture positioned at hardware layer
Preserve on thread so that picture, which preserves thread, by image information to be written to new file according to the path described by this document handle
In, so that the picture of hardware layer, which preserves thread, to save as picture file by the image information collected, it is then real originally
The photographic method and camera arrangement of invention can not only be applied in Android 4.2 and some hardware layers shortage is to document creation and opening
In the system of authority.
It should be noted that the present invention photographic method and its device can also apply Android 4.1 and before be
Unite on version, snapshots and continuous bat can be realized simultaneously, also in the applicability for improving the photographic method and camera arrangement
According to etc. function.
Claims (10)
1. photographic method, including control unit sends the step of shooting instruction to camera and the camera is adopted to image
The step of collection；
It is characterized in that：
The picture that the image information collected is output to camera is preserved thread by the camera；
The picture preserves file handle generation thread output request instruction of the thread to control unit；
The file handle generates thread creation new file；
The file handle generation thread opens the new file；
The file handle generation thread obtains the file handle of the new file and the file handle is output into the figure
Piece preserves thread；
The picture preserves thread and image information is written into the new file according to the file handle and picture is saved as；
The camera is located on hardware layer, and the picture preserves thread and run on the hardware layer；
Described control unit is located on application software layer, and the file handle generation thread is run on application software layer.
2. photographic method according to claim 1, it is characterised in that：
It is described to shoot instruction to shoot the instruction of single picture；
The photographic method is additionally included in after the camera is acquired to image, and the camera is defeated to described control unit
Go out to allow instruction.
3. photographic method according to claim 1, it is characterised in that：
It is described to shoot instruction to shoot the instruction of plurality of pictures；
Image information is written to by the new file according to the file handle in picture preservation thread and picture is saved as
Afterwards, the photographic method also includes judging whether the quantity of collection image reaches preset value, and the quantity of such as image is not up to default
Value then returns to the step of camera is acquired to image.
4. photographic method according to claim 3, it is characterised in that：
Camera as described in if the quantity of image reaches preset value allows instruction to described control unit output.
5. photographic method according to claim 4, it is characterised in that：
The photographic method is additionally included in after the camera is acquired to image, and the camera is defeated to described control unit
Go out hint instructions.
6. camera arrangement, including camera for being acquired to image and shoot instruction for being sent to the camera
Control unit,
It is characterized in that：
The camera arrangement also includes：
Picture storage unit, receives the image information of the camera output；
File handle generation unit, the picture storage unit exports request instruction, the file to file handle generation unit
Handle generation unit is additionally operable to create new file, the new file is opened, obtained the file handle of the new file and incite somebody to action
The file handle is output to the picture storage unit；
Image information is written to the new file according to the file handle and saves as picture by the picture storage unit；
The camera and the picture storage unit are respectively positioned on hardware layer；
Described control unit and the file handle generation unit are respectively positioned on application software layer.
7. camera arrangement according to claim 6, it is characterised in that：
It is described to shoot instruction to shoot the instruction of single picture；
The camera is additionally operable to allow instruction to described control unit output.
8. camera arrangement according to claim 6, it is characterised in that：
It is described to shoot instruction to shoot the instruction of plurality of pictures；
The camera arrangement also includes judging unit, and the judging unit is for judging it is default whether the quantity for gathering image reaches
It is worth and exports return instruction to the camera.
9. camera arrangement according to claim 8, it is characterised in that：
The camera is additionally operable to allow instruction to described control unit output.
10. camera arrangement according to claim 9, it is characterised in that：
The camera also have in described control unit export hint instructions.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107391734A (en) * | 2017-08-04 | 2017-11-24 | 北京金山安全软件有限公司 | Picture display method and device, electronic equipment and readable storage medium |
| WO2021010275A1 (en) * | 2019-07-18 | 2021-01-21 | 株式会社ミマキエンジニアリング | Photographing apparatus for photogrammetry, shaping apparatus, shaped article set, three-dimensional data generation apparatus, and shaping system |
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| CN103024258A (en) * | 2011-09-28 | 2013-04-03 | 联想(北京)有限公司 | Method for fast shooting and electronic equipment |
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| CN103870090A (en) * | 2012-12-10 | 2014-06-18 | 腾讯科技（深圳）有限公司 | Shooting start device and method of internal camera of portable data processing device |
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| CN103024258A (en) * | 2011-09-28 | 2013-04-03 | 联想(北京)有限公司 | Method for fast shooting and electronic equipment |
| CN102611836A (en) * | 2012-02-06 | 2012-07-25 | 上海理工大学 | High-speed image collecting method based on Labview |
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