CN104065884A - Picture taking method and device thereof - Google Patents
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Abstract
The invention provides a picture taking method and a device thereof. The picture taking method comprises a step that a control unit sends a shooting instruction to a camera and a step that the camera collects an image. After the camera collects the image, the camera outputs the collected image information to the picture storage thread of the camera, the picture storage thread outputs a request instruction to the file handle generation thread of the control unit, the file handle generation thread creates a 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 outputs the file handle to the picture storage thread, and the picture storage thread writes the picture information into the new file to store as a picture according to the file handle. The invention also provides a picture taking device with the application of the picture taking method. According to the picture taking method and the picture taking device, while the rapid picture taking and continuous picture taking are realized, the applicability of the method and the device in different systems is raised.
Description
Technical field
The present invention relates to image taking field, relate in particular to a kind of photographic method of picture and use the camera arrangement of this photographic method.
Background technology
Gradually incorporate after daily life at mobile phone and panel computer, increasing mobile phone and panel computer are all installed to digital camera head, to be convenient for people to pictures taken and record life.With reference to Fig. 1, Fig. 1 is the flow chart of the common photographic method of existing digital camera head, first perform step S11, be that user presses shooting button, take subsequently after control unit receives the instruction that user need to take and perform step S12, control unit sends and takes instruction to the camera that is positioned at hardware layer, and camera performs step S13 and collects when last two field picture subsequently, and camera performs step subsequently S14 the image information collecting is outputed to control unit.Perform step subsequently S15, the image information that the picture preservation thread of control unit receives control unit is saved in storage device.Wherein the step S15 of this preservation picture comprises that first the picture preservation thread of control unit creates a new file, then the picture of control unit is preserved thread by this new File Open, and the picture of last control unit is preserved thread image information is written in opened new file and is preserved.The picture that performs step again subsequently S16 control unit is preserved thread by control unit feedback, informs that control unit can carry out taking pictures next time.
But in above-mentioned photographic method, the preserving type of image information is, by camera, the image information collecting is first transmitted back to control unit, create, open and write by control unit again, thereby complete the step of preserving picture, complete and preserve after picture step, can carry out like this shooting action next time.
The slow-footed problem of taking pictures existing in order to solve above-mentioned photographic method, thereby the user who improves digital camera head experiences, the developers of mobile terminal have added one after another to take pictures fast and take pictures continuously and have waited exposal model, user can be realized take pictures fast and can realize in the short time continuously shooting plurality of pictures and be made into animation.With reference to Fig. 2, Fig. 2 is the flow chart of existing a kind of quick photographic method, first perform step S21, be that user presses shooting button, take subsequently after control unit receives the instruction that user need to take and perform step S22, be that control unit sends and takes instruction to the camera that is positioned at hardware layer, camera performs step S23 and collects when last two field picture subsequently.After collecting image information, camera will perform step S24 and step S25 simultaneously, to be camera inform that to control unit feedback control unit can take pictures next time to execution step S24, to be camera preserve thread by the picture that collects image information and output to camera to execution step S25, the picture of camera is preserved thread and image information is saved in storage device again, wherein, the step of preserving this image information comprises that first the picture preservation thread of camera creates a new file, then the picture of camera is preserved thread by this new File Open, the picture of last camera is preserved thread image information is written in opened new file and is preserved.Then perform step S26, the picture of camera is preserved thread by control unit feedback, informs that control unit can read this picture in storage device, and can read its preview graph by control unit.
With reference to Fig. 3, Fig. 3 is existing a kind of continuous photographing method flow chart, first perform step S31, be that user presses shooting button, take subsequently after control unit receives the instruction that user need to take and perform step S32, control unit sends and takes continuously instruction to the camera that is positioned at hardware layer, for example, taking continuously instruction is the instruction of taking continuously ten pictures, and camera performs step S33 and collects when last two field picture subsequently.Then perform step S34 camera by informing that to control unit feedback control unit sends voice prompt, prompting has completed the shooting of a pictures, and then execution step S35, being camera preserves thread by the picture that collects image information and output to camera, and the picture of camera is preserved thread and image information is saved in storage device again.Wherein, the step of preserving this image information comprises that first the picture preservation thread of camera creates a new file, then the picture of camera is preserved thread by this new File Open, and the picture of last camera is preserved thread image information is written in opened new file and is preserved.Then perform step S26, the picture of camera is preserved thread by control unit feedback, informs that control unit can read this picture in storage device, and can read its preview graph by control unit.Perform step again subsequently S27, judge whether the quantity that gathers image meets preset value, due to the instruction of having sent continuous shooting ten pictures in execution step S32, so step S237 judges whether the quantity that gathers image meets ten pictures, as discontented ten of the quantity of the image gathering, return to step S33, proceed to gather next frame image.As the quantity of the image gathering meets the preset value of ten, perform step S38, camera informs that to control unit feedback control unit can take pictures next time.
From above-mentioned quick photographic method and the method for taking pictures continuously, by offer two threads at the camera that is positioned at hardware layer, one of them thread is camera image collecting thread, this IMAQ thread is for gathering the image of present frame, another one thread is that the picture of camera is preserved thread, and the picture of this camera is preserved thread for creating, open, write and preserve the image information of collection.Make the image information collecting no longer be sent to processing or preservation in control unit by the two-wire journey of camera, thereby improve the speed of taking pictures and realize and taking pictures continuously.
But, above-mentioned quick photographic method and the method for taking pictures continuously can be in Android 4.1 systems and the systems before Android 4.1 systems, reason is to create because the hardware layer of Android 4.1 systems and the system before Android 4.1 systems has in storage device, open, the authority that write and preservation etc. moved, when this quick photographic method with continuous photographing method is applied in Android 4.2 systems or some are in the time that its hardware layer has lacked the authority creating in storage device and open, this quick photographic method and continuous photographing method cannot be realized use in some newer operating systems, affect the applicability of this photographic method.
Summary of the invention
The first object of the present invention is to provide and a kind ofly can be applied in photographic method in multisystem and that have broad applicability.
The second object of the present invention is to provide and a kind ofly can be applied in camera arrangement in multisystem and that have broad applicability.
In order to realize the first object of the present invention, the invention provides a kind of photographic method, comprise that control unit sends and takes the step of instruction and the step that camera gathers image to camera, wherein, after camera gathers image, the picture that the image information collecting is outputed to camera by camera is preserved thread; Picture is preserved thread and is generated thread output request instruction to the file handle of control unit; File handle generates the new file of thread creation; File handle generates thread by new File Open; File handle generates thread and obtains the file handle of new file and file handle is outputed to picture preservation thread; Picture is preserved thread and according to file handle, image information is written to new file and saves as picture.
From such scheme, generate thread by the file handle that is provided with control unit on application software layer, utilizing file handle to generate thread creates and opens new file, again the file handle of this new file is outputed on the picture preservation thread that is positioned at hardware layer, making picture preserve thread can be written in new file by image information and be saved as picture according to the described path of this file handle, because file handle is the access path that is stored in the file in storage device, access path by this file can be carried out read-write operation to this file, so generating thread by file handle creates new file, open and obtain file handle, thereby avoid causing because hardware layer lacks the authority that new file is created or opened the use that quick photographic method and continuous photographing method cannot be in some newer systems, utilize the file handle generation thread of application software layer that new file is created and opened, the picture of recycling hardware layer is preserved thread image information is written in new file, thereby reality photographic method of the present invention can be applied in different system, be conducive to improve the applicability of this photographic method.
Further scheme is, takes instruction and be to take the instruction of individual picture, and after photographic method is also included in camera image is gathered, camera allows instruction to control unit output.
Therefore, while taking instruction for individual picture of shooting, after camera gathers image, allow the step of instruction and camera that the image information collecting is outputed to the step that the picture of camera is preserved thread by carry out camera simultaneously to control unit output, utilize being arranged so that in preserving image information of multithreading, control unit can promptly carry out the shooting of next pictures, is conducive to improve the speed of taking pictures and promotes user experience.
Further scheme is, taking instruction is the instruction of taking plurality of pictures, preserving thread at picture is written to image information new file and saves as after picture according to file handle, photographic method also comprises that whether the quantity that judges collection image reaches preset value, turns back to as the quantity of image does not reach preset value the step that camera gathers image.
Therefore, take instruction for taking when plurality of pictures, whether the quantity that gathers image by judgement reaches the step of preset value, makes this photographic method can carry out intelligently the shooting of plurality of pictures, thereby facilitate user to take continuously plurality of pictures, be conducive to promote user and experience.
Further scheme is, as the quantity of image reach preset value camera allow instruction to control unit output.
Therefore, after reaching preset value, the quantity of image allows instruction by output, and make control unit can carry out shooting next time.
Further scheme is, after described photographic method is also included in described camera image is gathered, described camera is to described control unit output hint instructions.
Therefore voice prompt makes user know the progress of current photographic method, better grasp the current progress of taking pictures thereby be conducive to user, be conducive to promote user and experience.
In order to realize the second object of the present invention, the invention provides a kind of camera arrangement, comprise camera for image is gathered and for send the control unit of taking instruction to camera, wherein, camera arrangement also comprises: picture storage unit and file handle generation unit, picture storage unit receives the image information of camera output, picture storage unit is to file handle generation unit output request instruction, file handle generation unit is also for creating new file, by new File Open, obtain the file handle of new file and file handle is outputed to picture storage unit, picture storage unit is written to image information new file and saves as picture according to file handle.
From such scheme, by the file handle generation unit arranging on application software layer, utilize file handle generation unit that new file is created and opened, again the file handle of this new file is outputed in the picture storage unit that is positioned at hardware layer, make picture storage unit image information to be written in new file and to be saved as picture according to the described path of this file handle, because file handle is the access path that is stored in the file in storage device, access path by this file can be carried out read-write operation to this file, so new file is created by file handle generation unit, open and obtain file handle, thereby avoid causing because hardware layer lacks the authority that new file is created or opened the use that quick photographic method and continuous photographing method cannot be in some newer systems, utilize the file handle generation unit of application software layer that new file is created and opened, the picture storage unit of recycling hardware layer is written to image information in new file, thereby reality camera arrangement of the present invention can be applied in different system, be conducive to improve the applicability of this camera arrangement.
Brief description of the drawings
Fig. 1 is the flow chart of existing a kind of common photographic method.
Fig. 2 is the flow chart of existing a kind of quick photographic method.
Fig. 3 is the flow chart of existing a kind of continuous photographing method.
Fig. 4 is the flow chart of the quick photographic method of photographic method the first embodiment of the present invention.
Fig. 5 is the flow chart of the continuous photographing method of photographic method the 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 the first embodiment:
With reference to Fig. 4, Fig. 4 is the flow chart of quick photographic method.First, execution step S41, be that user presses shooting button, be arranged on subsequently after control unit on terminal application software layer receives the instruction that user need to take and perform step S42, be that control unit sends individual shooting instruction to the camera that is positioned at hardware layer, camera performs step S43 and collects when last two field picture subsequently.After collecting image information, camera will perform step S44 and step S45 simultaneously, execution step S44 is that camera allows instruction to control unit output, and control unit can be taken pictures next time, perform step S45 simultaneously and be camera the picture that collects image information and output to camera is preserved to thread.
The image information collecting is being outputed to after the picture preservation thread that is positioned at hardware layer camera, perform step subsequently S46, picture is preserved thread and is generated thread output request instruction to the file handle that is positioned at application software layer control unit, and picture is preserved thread request file handle generation thread and asked for image information storing path.Perform step subsequently S47, file handle generates thread creation new file, and by this new File Open, thereby obtains the file handle of this new file.Due to the file handle access path that is file, so can carry out read-write operation to this file by this file handle.And then execution step S48, file handle generates thread the file handle of new file is outputed in picture preservation thread, perform step subsequently S49, picture is preserved thread and according to this file handle, image information is written in new file, and is saved as picture file to complete the quick photographic method of individual picture.
Photographic method the second embodiment:
With reference to Fig. 5, Fig. 5 is the flow chart of continuous photographing method.First, execution step S51, be that user presses shooting button, be arranged on subsequently after control unit on terminal application software layer receives the instruction that user need to take and perform step S52, be that control unit sends the instruction of taking continuously plurality of pictures to the camera that is positioned at hardware layer, camera performs step S53 and collects when last two field picture subsequently.After collecting image information, camera will perform step S54 and step S55 simultaneously, execution step S54 is that camera is exported hint instructions to control unit, and make control unit sound and point out user according to this hint instructions, to have represented the shooting of a pictures, perform step S55 simultaneously and be camera the picture that collects image information and output to camera is preserved to thread.
The image information collecting is being outputed to after the picture preservation thread that is positioned at hardware layer camera, perform step subsequently S56, picture is preserved thread and is generated thread output request instruction to the file handle that is positioned at application software layer control unit, and picture is preserved thread request file handle generation thread and asked for image information storing path.Perform step subsequently S57, file handle generates thread creation new file, and by this new File Open, thereby obtains the file handle of this new file, due to the file handle access path that is file, so can carry out read-write operation to this file by this file handle.And then execution step S48, file handle generates thread the file handle of new file is outputed in picture preservation thread, perform step subsequently S49, picture is preserved thread and according to this file handle, image information is written in new file, and is saved as picture file.
One pictures is completed after preservation, perform step subsequently S60, judge whether the quantity that gathers image reaches preset value, judge whether the quantity of preserving picture has reached the preset value that the instruction of shooting plurality of pictures sets, as do not reach preset value, and return to execution step S53, continue to gather the current frame image of next, and perform step successively S54, S55, S56, S57, S58 and S59, thereby next Zhang Suoxu pictures taken is preserved.Preserving the quantity of picture when judgement has reached while taking the preset value that plurality of pictures instruction sets, perform step S61, camera allows instruction to control unit output, and control unit can be taken pictures next time, has completed the continuous photographing method of plurality of pictures.
Camera arrangement embodiment:
With reference to Fig. 6, Fig. 6 is the system block diagram of camera arrangement 6.Camera arrangement 6 is provided with judging unit 62, control unit 63 and file handle generation unit 64 on application software layer 61, and camera arrangement 6 is provided with camera 66 and picture storage unit 67 on hardware layer 65.
While taking pictures, the control unit 63 that is positioned at application software layer 61 sends and takes instruction to camera 66, and camera 66 gathers current image after receiving and taking instruction.Camera 66 completes and gathers that image information is backward is positioned at this image information that picture storage unit 67 is exported, picture storage unit 67 is exported request instruction to file handle generation unit 64 subsequently, it is the storing path of picture storage unit 67 demand file handle generation unit 67 synthetic image information, then file handle generation unit 64 creates a new file, thereby and this new File Open is obtained to the file handle of this new file.Owing to can this file being carried out to read-write operation by this file handle, so this file handle is outputed to picture storage unit 67 by file handle generation unit 64.Picture storage unit 67 is written to image information in new file according to the file handle path obtaining subsequently, and is saved as picture.
Preferably, be while taking the instruction of individual picture when taking instruction, after camera 66 gathers present image, camera 66 allows instruction to control unit 63 outputs, makes control unit 63 can carry out the shooting of next pictures.
Preferably, be while taking the instruction of plurality of pictures when taking instruction, after camera 66 gathers present image, camera 66 is exported hint instructions to control unit 63, and make control unit 66 sound and point out user according to this hint instructions, to have represented the shooting of a pictures.And by picture storage unit 67, a pictures is completed after preservation, judging unit 62 judges whether the quantity that gathers image reaches preset value, as the quantity of image does not arrive preset value, export return instruction by control unit 63 to camera 66, and make camera 66 take next pictures, as the quantity of image has arrived preset value, allow instructions by camera 66 to control unit 63 output, make control unit 63 can carry out taking pictures next time.
From such scheme, in Android 4.2 or some are in the time that its hardware layer has lacked the authority creating in storage device and open, can generate thread by the file handle that is provided with control unit on application software layer, utilizing file handle to generate thread creates and opens new file, again the file handle of this new file is outputed on the picture preservation thread that is positioned at hardware layer, making picture preserve thread can be written to image information in new file according to the described path of this file handle, thereby preserving thread, the picture of hardware layer the image information collecting can be saved as to picture file, then reality photographic method of the present invention and camera arrangement not only can apply in Android 4.2 and some hardware layers lack document creation and open in the system of authority.
It should be noted that, photographic method of the present invention and device thereof can also be applied on Android 4.1 and system version before, in the applicability that has improved this photographic method and camera arrangement simultaneously, also can realize the function such as take pictures fast and take pictures continuously.
Claims (10)
1. photographic method, comprises that control unit sends and takes the step of instruction and the step that described camera gathers image to camera;
It is characterized in that:
The picture that the image information collecting is outputed to camera by described camera is preserved thread;
Described picture is preserved thread and is generated thread output request instruction to the file handle of control unit;
Described file handle generates the new file of thread creation;
Described file handle generates thread by described new File Open;
Described file handle generates thread and obtains the file handle of described new file and described file handle is outputed to described picture preservation thread;
Described picture is preserved thread and according to described file handle, image information is written to described new file and saves as picture.
2. photographic method according to claim 1, is characterized in that:
Described shooting instruction is the instruction of taking individual picture;
After described photographic method is also included in described camera image is gathered, described camera allows instruction to described control unit output.
3. photographic method according to claim 1, is characterized in that:
Described shooting instruction is the instruction of taking plurality of pictures;
Preserving thread at described picture is written to image information described new file and saves as after picture according to described file handle, described photographic method also comprises judging whether gather the quantity of image reaches preset value, as the quantity of image do not reach preset value turn back to as described in camera step that image is gathered.
4. photographic method according to claim 3, is characterized in that:
As the quantity of image reach preset value as described in camera to as described in control unit output allow instruction.
5. photographic method according to claim 4, is characterized in that:
After described photographic method is also included in described camera image is gathered, described camera is to described control unit output hint instructions.
6. camera arrangement, comprises camera for image is gathered and for send the control unit of taking instruction to described camera,
It is characterized in that:
Described camera arrangement also comprises:
Picture storage unit, receives the image information that described camera is exported;
File handle generation unit, described picture storage unit is to file handle generation unit output request instruction, described file handle generation unit also for creating new file, by described new File Open, obtain the file handle of described new file and described file handle outputed to described picture storage unit;
Described picture storage unit is written to image information described new file and saves as picture according to described file handle.
7. camera arrangement according to claim 6, is characterized in that:
Described shooting instruction is the instruction of taking individual picture;
Described camera is also for allowing instruction to described control unit output.
8. camera arrangement according to claim 6, is characterized in that:
Described shooting instruction is the instruction of taking plurality of pictures;
Described camera arrangement also comprises judging unit, and whether described judging unit gathers image quantity for judging reaches preset value and export return instruction to described camera.
9. camera arrangement according to claim 8, is characterized in that:
Described camera is also for allowing instruction to described control unit output.
10. camera arrangement according to claim 9, is characterized in that:
Described camera also has in exporting hint instructions to described control unit.
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| CN201410290523.4A CN104065884B (en) | 2014-06-25 | 2014-06-25 | Photographic method and its device |
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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 |
| CN114208146A (en) * | 2019-07-18 | 2022-03-18 | 株式会社御牧工程 | Photogrammetric imaging device, modeling object set, three-dimensional data generation device, and modeling system |
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| CN104065884B (en) | 2017-09-15 |
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