CN103780840A - High-quality imaging double camera shooting and imaging device and method thereof - Google Patents
High-quality imaging double camera shooting and imaging device and method thereof Download PDFInfo
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Abstract
The invention provides a high-quality imaging double camera shooting and imaging device and method thereof. In a camera shooting process, high-quality images are obtained through matching of double cameras. The double cameras arranged on a portable device comprise a main camera and an auxiliary camera, the parameters of the double cameras are initialized first, when shooting is carried out, focusing and photometry are carried out on the main camera, photometry data are sent to a background control module, the background control module adjusts shooting parameters of the main shooting camera and the auxiliary shooting camera according to different image imaging requirements, the shooting parameters comprise sensitometry and shutter time, after the parameters are set, shutters are opened at the same time to shoot, the background control module obtains a main image from the main camera and obtain s an auxiliary image from the auxiliary camera, image synthesis and superposition processing are carried out according to the image imaging requirements aiming at the main image and the auxiliary image with different technical details, and a high-precision imaging effect with high anti-shake performance and a high tolerance level is achieved.
Description
Technical field
The present invention relates to a kind of imaging device, particularly a kind of two camera shooting image forming apparatus of high-quality imaging.
Background technology
Existing portable equipment generally all uses single camera technology to realize photographic imagery.And single pick-up lens is due to the limitation of sensitive chip performance, usually make the imaging photo tolerance of acquisition low, compared with professional camera, under high contrast scene, easily lose in a large number details, cause picture distortion.Secondly,, due to the volume restrictions of portable equipment, cause camera aperture less.At light, under not good or half-light condition, difficult in imaging, is difficult to obtain stable imaging picture clearly.The camera of current portable equipment, for example mobile phone, aperture is less, easily occurs the imaging problem such as float, smear, cannot realize effective optics anti-shake.For reaching anti-shake technique effect, can be by increasing hardware component, but cost is higher, and is not inconsistent with lightening mobile phone development trend, and anti-shake on software only realizes by image post-processed, effect is not satisfactory.In addition, the camera of existing portable equipment and professional camera have very big gap, the camera of for example mobile phone has 1,300 ten thousand pixels can only provide at most the photo of 1,300 ten thousand pixels, and well below the imaging of professional camera, this is the restriction that is subject to the hardware index of single camera.
Summary of the invention
The restriction that is subject to existing camera technology existing in order to solve above-mentioned existing portable equipment camera, imaging effect all has not enough technical problem in precision, tolerance and stability.
The present invention proposes a kind of high-quality imaging device of realizing highly anti-shake, higher tolerance and pixel based on dual camera imaging superimposing technique.
The present invention proposes a kind of two camera shooting image forming apparatus of high-quality imaging, it has the Double-camera device being arranged on portable equipment, comprise main camera and auxiliary camera, described main camera and described auxiliary camera, in shooting process, carry out the imaging of high-quality by working in coordination; Background administration module, receive while shooting described in main camera focus with photometry after the photometric data that obtains, according to picture imaging demand difference, adjust the acquisition parameters of described main camera and described auxiliary camera; After completing described parameter and arranging, open shutter simultaneously and take; Described background administration module obtains main imaging from described main camera, obtains secondary imaging from described auxiliary camera; According to described picture imaging demand, for described main imaging and the described secondary imaging with different technologies details, carry out the synthetic overlap-add procedure of image, obtain high-quality imaging output anti-shake, high tolerance.
A kind of two camera shooting image forming apparatus of high-quality imaging are further provided, and its picture imaging demand at least comprises:: high tolerance imaging, anti-shake imaging, half-light imaging, high pixel imaging.
For different described picture imaging demands, the focus under same environment, described main camera and described auxiliary camera obtain the imaging of different exposures in shooting process.
In the time that needs are taken high tolerance imaging, described auxiliary camera and described main camera are focused with focus; Described acquisition parameters is set to main camera for high flash ranging light, and auxiliary camera is for the photometry of dark portion; Main camera obtains the main imaging of high exposure, and auxiliary camera obtains the secondary imaging of low exposure, and by the image of main imaging and secondary imaging is synthesized to overlap-add procedure, final imaging is at high light or shaded side all has good image quality details.
In the time that needs are taken anti-shake imaging, described main camera and described auxiliary camera are taken simultaneously, obtain respectively two under-exposed imagings, i.e. main imaging and secondary imaging, then synthesize superposition processing for described two imagings, obtain the imaging output of accurately exposure, significantly reduce because under-exposed photo needs aperture time, thereby realize anti-shake technique effect.
In the time that needs are taken half-light imaging, the half-light region that main camera and auxiliary camera are taken simultaneously, obtain respectively two imagings of different exposure values, then described two imagings are synthesized to superposition processing, thereby realize the more accurate half-light imaging output in the short period.
In the time that needs are taken high pixel imaging, auxiliary camera and main camera are focused with focus, and main camera and the simultaneously normal photometry of auxiliary camera are set and take the main imaging of acquisition and secondary imaging simultaneously, two of gained imagings are carried out to graphic operation processing, thereby it is more clear to obtain, the imaging effect of larger precision.For example, in the time that described main camera and described auxiliary camera adopt 5,000,000 pixel respectively, process to obtain by graphic operation and be equal to the imaging output that 1,300 ten thousand pixel camera heads are taken.
The present invention also provides a kind of method of two shooting imagings of high-quality imaging, and its cooperation by dual camera obtains high-quality imaging; The parameter of first initialization dual camera; When shooting, main camera is focused and photometry; Then photometric data is sent to background administration module; Described background administration module, according to picture imaging demand difference, adjusts the acquisition parameters of main camera and auxiliary camera; After completing described acquisition parameters and arranging, open shutter simultaneously and take; Described background administration module obtains main imaging from main camera, obtains secondary imaging from auxiliary camera; According to described picture imaging demand, for this main imaging and this pair imaging with different technologies details, carry out the synthetic overlap-add procedure of image; Obtain high-quality imaging output highly anti-shake, high tolerance.
A kind of method of two shooting imagings of high-quality imaging is further provided, its picture imaging demand comprise following one or more: high tolerance imaging, anti-shake imaging, half-light imaging, high pixel imaging.
For different described picture imaging demands, the focus under same environment, dual camera obtains the imaging of different exposures while shooting.
In the time that needs are taken high tolerance imaging, described auxiliary camera and described main camera are focused with focus; Described acquisition parameters is set to main camera for high flash ranging light, and auxiliary camera is for the photometry of dark portion; Main camera obtains the main imaging of high exposure, and auxiliary camera obtains the secondary imaging of low exposure, by the synthetic overlap-add procedure to main imaging and secondary imaging, obtains the imaging output all at high light and shade place with good image quality details.
In the time that needs are taken anti-shake imaging, described main camera and described auxiliary camera are taken simultaneously, obtain respectively two under-exposed imagings, then described two imagings are synthesized to overlap-add procedure, obtain the anti-shake imaging output of accurately exposure.Significantly reduce because under-exposed photo needs aperture time, thereby realize anti-shake effect.
In the time that needs are taken half-light imaging, described main camera and described auxiliary camera are taken half-light region simultaneously, obtain respectively two imagings of different exposure values, then synthesize overlap-add procedure for these two imagings, obtain the output of half-light imaging accurately in the short time.
In the time that needs are taken high pixel imaging, described auxiliary camera and described main camera are focused with focus, and described main camera and the photometry simultaneously of described auxiliary camera are set and take two imagings of acquisition, these two imagings are carried out to graphic operation processing, obtain the imaging output of clear and large precision.For example, while adopting described main camera and described auxiliary camera to adopt 5,000,000 pixel respectively, process and obtain the imaging output that is equal to 1,300 ten thousand pixel camera heads shootings by graphic operation.
Control by program to main camera and auxiliary camera, mutually supplement and coordinate, automatically regulate acquisition parameters, as the parameter such as exposure, aperture time, shooting obtains two images with different technologies details, by graphics process algorithm, carries out pixel stack, reach the imaging effect of final high-quality, i.e. the effect of high definition, the imaging effect of higher pixel under the effect of higher tolerance HDR, highly anti-shake effect, half-light.
Of the present invention pair of camera shooting image forming apparatus, the technique effect that high-quality imaging technique comprises the following aspects:
1, dual camera can obtain the imaging effect of higher tolerance:
For the focus under same environment, when shooting, obtain the imaging of different exposures, synthesize stack, final imaging is at high light or shaded side all has good image quality details.
2, the anti-shake technology of dual camera:
Use two cameras to take simultaneously and obtain under-exposed imaging picture, then carry out software superposition and obtain the imaging effect of accurate exposure.Significantly reduce because under-exposed photo needs aperture time, thereby realize anti-shake effect.
3, dual camera half-light imaging technique
Use two images that camera is taken simultaneously, then carry out software superposition, thereby the more accurate half-light of realizing in the short period is taken quality.
4, dual camera can be taken the image effect of higher pixel:
Use two cameras, after taking pictures, two images of gained are carried out to graphic operation simultaneously, thereby acquisition is more clear, the imaging effect of larger precision.The photograph that for example camera of two 5,000,000 pixels is taken is equal to the imaging effect that 1,300 ten thousand pixel camera heads are taken.
Accompanying drawing explanation
Two camera shooting image forming apparatus schematic diagrames of Fig. 1 high-quality imaging.
Embodiment
As shown in Figure 1, the invention provides a kind of two camera shooting image forming apparatus of high-quality imaging, it has the dual camera that is placed in portable equipment, comprises main camera 1 and auxiliary camera 2, fits in as the imaging effect that improves photo by main camera and auxiliary camera.
When needs adopt portable equipment, for example mobile phone, while shooting, first, carries out initialization setting by camera; When shooting, main camera 1 is focused and photometry; Then photometric data is sent to background administration module 3; Described background administration module 3, according to picture imaging demand difference, adjusts the acquisition parameters of main camera 1 and auxiliary camera 2; After completing described acquisition parameters and arranging, open shutter simultaneously and take; Background administration module 3 obtains main imaging from main camera 1, obtains secondary imaging from auxiliary camera 2; According to described picture imaging demand, for this main imaging and this pair imaging with different technologies details, carry out the synthetic overlap-add procedure of image; Obtain high-quality imaging output highly anti-shake, high tolerance.
Idiographic flow is as follows:
Open camera, carry out the initialize routine of camera;
Open camera software preview interface, main camera 1 is focused and photometry; To the data of photometry be sent to background administration module 3;
Control module 3, according to taking object difference, is adjusted the corresponding acquisition parameters of master/auxiliary camera.After parameter setting completes, open shutter simultaneously and take.For example: under the pattern of taking pictures in high tolerance, main camera 1 is set for high flash ranging light, auxiliary camera 2 is for the photometry of dark portion.
Obtain picture one from main camera 1, obtain picture two from auxiliary camera 2.
According to image imaging demand, carry out different graphic operations for image one and image two, obtain the imaging output of high-quality.
Describe with regard to various picture imaging demands below.
In the time that needs are taken high tolerance imaging, described auxiliary camera 2 and described main camera 1 are focused with focus; Described acquisition parameters is set to main camera 1 for high flash ranging light, and auxiliary camera 2 is for the photometry of dark portion; Main camera 1 obtains the main imaging of high exposure, and auxiliary camera 2 obtains the secondary imaging of low exposure, and by the image of main imaging and secondary imaging is synthesized to overlap-add procedure, final imaging is at high light or shaded side all has good image quality details.
In the time that needs are taken anti-shake imaging, described main camera 1 and described auxiliary camera 2 are taken simultaneously, obtain respectively two under-exposed imagings, i.e. main imaging and secondary imaging, then synthesize superposition processing for described two imagings, obtain the imaging output of accurately exposure, significantly reduce because under-exposed photo needs aperture time, thereby realize anti-shake technique effect.
In the time that needs are taken half-light imaging, the half-light region that main camera 1 and auxiliary camera 2 are taken simultaneously, obtain respectively two imagings of different exposure values, then described two imagings are synthesized to superposition processing, thereby realize the more accurate half-light imaging output in the short period.
In the time that needs are taken high pixel imaging, auxiliary camera 2 and main camera 1 are focused with focus, and main camera 1 and the simultaneously normal photometry of auxiliary camera 2 are set and take the main imaging of acquisition and secondary imaging simultaneously, two of gained imagings are carried out to graphic operation processing, thereby it is more clear to obtain, the imaging effect of larger precision.For example, in the time that described main camera 1 and described auxiliary camera 2 adopt 5,000,000 pixel respectively, process to obtain by graphic operation and be equal to the imaging output that 1,300 ten thousand pixel camera heads are taken.
For the main imaging under various imaging demand and the processing of secondary imaging, can adopt synthetic stack, details enhancing, contrast enhancing, color enhancing etc., thereby obtain the more imaging effect of high-quality.
This background administration module 3 can also, according to the photometric data obtaining, be adjusted the acquisition parameters of main camera 1 and auxiliary camera 2, adopts arbitrary or is used in combination the parameter of above four kinds of imaging demand.After shooting, the main imaging and the secondary imaging that obtain will be carried out image processing, can adopt arbitrary or be used in combination the processing mode of above four kinds of imaging demand, stack as synthetic in image, details enhancing, contrast enhancing, color enhancing, noise control etc., thus high-quality imaging effect highly anti-shake, higher tolerance obtained.
The present invention's application is not limited to above-mentioned enumerated property, and all improvement and conversion to these technology all should belong in the claimed scope of the present invention.
Claims (16)
1. two camera shooting image forming apparatus of a high-quality imaging, it is characterized in that: there is the Double-camera device being arranged on portable equipment, comprise main camera and auxiliary camera, described main camera and described auxiliary camera, in shooting process, carry out the imaging of high-quality by working in coordination; Background administration module, receive while shooting described in main camera focus with photometry after the photometric data that obtains, according to picture imaging demand difference, adjust the acquisition parameters of described main camera and described auxiliary camera; After completing described parameter and arranging, open shutter simultaneously and take; Described background administration module obtains main imaging from described main camera, obtains secondary imaging from described auxiliary camera; According to described picture imaging demand, for described main imaging and the described secondary imaging with different technologies details, carry out the synthetic overlap-add procedure of image, obtain high-quality imaging output anti-shake, high tolerance.
2. two camera shooting image forming apparatus of high-quality imaging according to claim 1, is characterized in that, described picture imaging demand comprise following one or more: high tolerance imaging, anti-shake imaging, half-light imaging, high pixel imaging.
3. two camera shooting image forming apparatus of high-quality imaging according to claim 2, it is characterized in that, for different described picture imaging demands, the focus under same environment, described main camera and described auxiliary camera obtain the imaging of different exposures in the time taking.
4. two camera shooting image forming apparatus of high-quality imaging according to claim 3, it is characterized in that, in the time that needs are taken high tolerance imaging, described auxiliary camera and described main camera are focused with focus, described acquisition parameters is set to main camera for high flash ranging light, auxiliary camera is for the photometry of dark portion, main camera obtains the main imaging of high exposure, auxiliary camera obtains the secondary imaging of low exposure, by the synthetic overlap-add procedure to main imaging and secondary imaging, obtain the imaging output all at high light and shade place with good image quality details.
5. two camera shooting image forming apparatus of high-quality imaging according to claim 3, it is characterized in that, in the time that needs are taken anti-shake imaging, described main camera and described auxiliary camera are taken simultaneously, obtain respectively under-exposed main imaging and secondary imaging, then synthesize overlap-add procedure for described main imaging and described secondary imaging, obtain the anti-shake imaging output of accurately exposure.
6. two camera shooting image forming apparatus of high-quality imaging according to claim 3, it is characterized in that, in the time that needs are taken half-light imaging, described main camera and described auxiliary camera are taken half-light region simultaneously, obtain respectively main imaging and the secondary imaging of different exposure values, described main imaging and secondary imaging are carried out to overlap-add procedure, obtain the output of half-light imaging accurately in the short time.
7. two camera shooting image forming apparatus of high-quality imaging according to claim 3, it is characterized in that, in the time that needs are taken high pixel imaging, described auxiliary camera and described main camera are focused with focus, and described main camera and the photometry simultaneously of described auxiliary camera are set and take the main imaging of acquisition and secondary imaging, described main imaging and described secondary imaging are carried out to graphic operation processing, obtain the imaging output of clear and large precision.
8. two camera shooting image forming apparatus of high-quality imaging according to claim 7, it is characterized in that, when described main camera and described auxiliary camera adopt 5,000,000 pixel respectively, process and obtain the imaging output that is equal to 1,300 ten thousand pixel camera heads shootings by graphic operation.
9. a method for two shooting imagings of high-quality imaging, is characterized in that: the cooperation by dual camera obtains high-quality imaging; The parameter of first initialization dual camera; When shooting, main camera is focused and photometry; Then photometric data is sent to background administration module; Described background administration module, according to picture imaging demand difference, adjusts the acquisition parameters of main camera and auxiliary camera; After completing described acquisition parameters and arranging, open shutter simultaneously and take; Described background administration module obtains main imaging from main camera, obtains secondary imaging from auxiliary camera; According to described picture imaging demand, for this main imaging and this pair imaging with different technologies details, carry out the synthetic overlap-add procedure of image; Obtain high-quality imaging output highly anti-shake, high tolerance.
10. the method for two shooting imagings of high-quality imaging according to claim 9, is characterized in that, described picture imaging demand comprise following one or more: high tolerance imaging, anti-shake imaging, half-light imaging, high pixel imaging.
11. methods of two shooting imagings of high-quality imaging according to claim 10, is characterized in that, for different described picture imaging demands, and the focus under same environment, described dual camera obtains the imaging of different exposures while shooting.
12. according to the method for two shooting imagings of high-quality imaging described in claim 11, it is characterized in that, in the time that needs are taken high tolerance imaging, described auxiliary camera and described main camera are focused with focus; Described acquisition parameters is set to main camera for high flash ranging light, and auxiliary camera is for the photometry of dark portion; Main camera obtains the main imaging of high exposure, and auxiliary camera obtains the secondary imaging of low exposure, by the synthetic overlap-add procedure to main imaging and secondary imaging, obtains the imaging output all at high light and shade place with good image quality details.
13. according to the method for two shooting imagings of high-quality imaging described in claim 11, it is characterized in that, in the time that needs are taken anti-shake imaging, described main camera and described auxiliary camera are taken simultaneously, obtain respectively two under-exposed imagings, then described two imagings are synthesized to overlap-add procedure, obtain the anti-shake imaging output of accurately exposure.
14. according to the method for two shooting imagings of high-quality imaging described in claim 11, it is characterized in that, in the time that needs are taken half-light imaging, described main camera and described auxiliary camera are taken half-light region simultaneously, obtain respectively two imagings of different exposure values, then synthesize overlap-add procedure for these two imagings, obtain the output of half-light imaging accurately in the short time.
15. according to the method for two shooting imagings of high-quality imaging described in claim 11, it is characterized in that, in the time that needs are taken high pixel imaging, described auxiliary camera and described main camera are focused with focus, and described main camera and the photometry simultaneously of described auxiliary camera are set and take two imagings of acquisition, these two imagings are carried out to graphic operation processing, obtain the imaging output of clear and large precision.
16. according to the method for two shooting imagings of high-quality imaging described in claim 15, it is characterized in that, when described main camera and described auxiliary camera adopt 5,000,000 pixel respectively, process and obtain the imaging output that is equal to 1,300 ten thousand pixel camera heads shootings by graphic operation.
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Address after: Room 127, building 3, 356 GuoShouJing Road, Zhangjiang High Tech Park, Pudong New Area, Shanghai 201204 Patentee after: SHANGHAI GEAK ELECTRONICS Co.,Ltd. Address before: Room 127, building 3, 356 GuoShouJing Road, Zhangjiang High Tech Park, Pudong New Area, Shanghai 201203 Patentee before: Shanghai Nutshell Electronics Co.,Ltd. |