CN110072058A - Image capturing device, method and terminal - Google Patents
Image capturing device, method and terminal Download PDFInfo
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- CN110072058A CN110072058A CN201910451269.4A CN201910451269A CN110072058A CN 110072058 A CN110072058 A CN 110072058A CN 201910451269 A CN201910451269 A CN 201910451269A CN 110072058 A CN110072058 A CN 110072058A
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- image
- camera
- shooting
- image capturing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/63—Control of cameras or camera modules by using electronic viewfinders
- H04N23/631—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters
- H04N23/632—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters for displaying or modifying preview images prior to image capturing, e.g. variety of image resolutions or capturing parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/95—Computational photography systems, e.g. light-field imaging systems
- H04N23/951—Computational photography systems, e.g. light-field imaging systems by using two or more images to influence resolution, frame rate or aspect ratio
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Image Processing (AREA)
- Studio Devices (AREA)
Abstract
The present invention relates to a kind of image capturing device, method and terminals, are related to terminal technique for taking field, predeterminable area details unsharp technical problem when for solving the shooting existing in the prior art using ultra wide-angle imaging head.Image capturing method of the invention obtains the first image by the first camera, the second image is obtained by second camera, since the first camera is ultra wide-angle imaging head, therefore the first camera is different with the field angle of second camera, the first picture obtained by the first camera being capable of comprehensively anyway whole scene, and second camera obtains the second image of the predeterminable area of the entirety scene then with higher quality, to will the first image and the second image synthesis after, even if combination image is amplified, its predeterminable area is due to having synthesized the second image, therefore it still is able to that there is preferable details to express.
Description
Technical field
The present invention relates to terminal technique for taking field, particularly a kind of image capturing device, method and terminal.
Background technique
With popularizing for smart phone, dual camera even multi-cam becomes the standard configuration of mobile phone.Wherein ultra-wide angle is taken the photograph
As head can be easy to cause since the content in photo is more obtaining preferable pan-shot effect and shoot to obtain photo middle finger
It is unintelligible to determine region details.When being watched after the picture is taken, when viewer amplifies the photo that ultra-wide angle is shot, it is not easy
Recognize the details in the specified region of photo.Such as in the biggish building of shooting volume, in order to enable all enough income arrives all scenes
In the photo of shooting, the details such as upper text of the building can not be recognized clearly.When watching photo, viewer is not yet
The text in photo can be clearly picked out, so that the usage experience of user is poor.
Summary of the invention
The present invention provides a kind of image capturing device, method and terminal, existing in the prior art using super for solving
Specified region details unsharp technical problem when wide-angle camera is shot.
According to the first aspect of the invention, the present invention provides a kind of image capturing method, including following operating procedure: packet
Include following operating procedure:
The first image is obtained by the first camera, the second image is obtained by second camera；
The first image and second image are synthesized, combination image is obtained；
Wherein, second image can at least cover the part predeterminable area of the first image, first camera shooting
Head is ultra wide-angle imaging head.
In one embodiment, first camera and the second camera are shot simultaneously to obtain described first
Image and second image.
In one embodiment, the first image is that the preview screen of first camera shooting is formed by frame
Image；
Second image be the second camera shooting preview screen according to the size of the first image press than
The frame image formed after example scaling.
In one embodiment, in the preview mode of image taking terminal, second image is in the form of windows
It is shown in the first image.
In one embodiment, in the preview mode of image taking terminal, second image is recorded described
Coordinate on one image.
In one embodiment, first camera and the second camera are located at the same of image taking terminal
Side.
According to the second aspect of the invention, a kind of image capturing device is provided comprising:
Shooting module comprising the first camera and second camera, first camera are used to obtain the first image,
The second camera is for obtaining the second image；And
Processing module: for synthesizing the first image and second image, combination image is obtained；
Wherein, second image can at least cover the part predeterminable area of the first image, first shooting
Head is ultra wide-angle imaging head.
In one embodiment, first camera and the second camera are shot simultaneously to obtain described first
Image and second image.
In one embodiment, further include read module, the read module can read respectively the first image,
Second image and the combination image.
According to the third aspect of the present invention, a kind of image taking terminal is provided comprising above-mentioned image capturing device.
Compared with the prior art, the advantages of the present invention are as follows: due to the first camera be ultra wide-angle imaging head, first
Camera is different with the field angle of second camera, i.e., can be comprehensively anyway whole by the first picture that the first camera obtains
Body scene, and second camera obtains the second image of the predeterminable area of the entirety scene then with higher quality, thus by
After one image and the synthesis of the second image, even if combination image is amplified, in predeterminable area due to having synthesized the second image, because
This still is able to that there is preferable details to express.
Detailed description of the invention
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.
Fig. 1 is the flow chart of image capturing method in one embodiment of the present of invention；
Fig. 2 is the combination image signal shown in the preview mode of image taking terminal in one embodiment of the present of invention
Figure.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings.
As shown in Figure 1, the present invention provides a kind of image capturing method according to the first aspect of invention comprising following
Step.
Firstly, obtaining the first image by the first camera.The first camera obtain the first image in while, pass through
Second camera obtains the second image.Wherein, the first camera is ultra wide-angle imaging head, and it is whole can to obtain comprehensively expression
First image of scene.Second camera is common camera, and the first camera is different with the field angle of both second cameras,
Therefore different pictures can be obtained.That is the first image can comprehensively express whole scene, and the second image can at least cover
The part predeterminable area of first image, that is to say, that the predeterminable area of the first image, Huo Zhe can be completely covered in the second image
Two images can only cover the part predeterminable area of the first image, so that the second image be enable to express the predeterminable area of same scene
Or part predeterminable area, but the second image has details ability to express more better than the first image.
Wherein, predeterminable area can be pre-set some regions, such as the regions such as central area of the first image.
Generally, using camera as vertex, two edges of the maximum magnitude of camera lens can be passed through with the image of measured target
The angle of composition, referred to as field angle.For shooting, the size of field angle determines that the field range of image, field angle are got over
Greatly, the visual field is bigger, therefore the visual field that ultra wide-angle imaging head can be shot is bigger, and obtained scene is more comprehensively.
By the first camera of synchronous averaging and second camera, the image information of different visual fields can be obtained simultaneously, from
And improve the real-time of image procossing, avoid as acquisition time is inconsistent and caused by the second image can not cover first
The phenomenon that predeterminable area of image or the second image cannot be with the corresponding position seamless connections of the first image.
Optionally, the first different image of field angle is obtained by adjusting the focal length of the first camera and second camera
With the second image.Field range it is to be appreciated that focal length is bigger, and field angle is smaller in the identical situation of image height, when shooting
It is more limited.
It is illustrated so that predeterminable area is the central area of the first image as an example below.Specifically, the first image is first
The preview screen of camera shooting is formed by frame image, and the second image is the preview screen of second camera shooting according to first
The frame image formed after the size bi-directional scaling of image.Wherein, when the second image all covering the first image central areas,
So preview screen captured by second camera is narrowed down to consistent with the size of the central area.
Feasible various embodiments in the prior art can be used in the acquisition modes of above-mentioned image, and details are not described herein.
In the preview mode of image taking terminal, the second image is shown on the first image in the form of windows.Such as Fig. 2
Image shown, that the first image is captured by the first camera in preview mode, the second image are second camera pre-
Look at mode when the image that captures it is scaled after image, the image in Fig. 2 in frame A is the second image, remaining part
Divide and is shown as the first image.The edge of second image is marked with coloured frame.Wherein, the second figure is completely covered by
In first image in same scene, i.e., it being capable of seamless connection with the first image.In image shown in Fig. 2, if by where frame A
Part amplify, the details such as text can clearly be expressed.
It should be noted that preview mode of the present invention refers to the preparation stage taken pictures.I.e. in starting image taking
After the camera function of device, image capturing device can be automatically into the choosing in take pictures preview mode or selection function menu
Item enters the mode.User can adjust in preview mode of taking pictures through the scene to be captured of the Real-time Feedback of observation viewfinder window
Whole acquisition parameters obtain satisfied shooting effect and are shot.
Further, in the preview mode of image taking terminal, the second image can scale ground according to the input of user
Display.For example, then second image is shown when user double-clicks the bezel locations of second image scaledly；Work as user
The bezel locations of second image are double-clicked again, then second image is shown scaledly.Alternatively, when user's long-pressing this
The bezel locations of two images, then second image is shown scaledly；When released by the user, then second image is in proportion
Reduce ground display.
In addition, in the preview mode of image taking terminal, the coordinate of the second image of record on the first image.Pass through seat
Data are marked to determine the position of the second image on the first image.
Secondly, the first compression of images is stored, the second image synchronization is compressed and is additional in the first image, according to record
The coordinate data of second image synthesizes the first image and the second image, obtains combination image.By making the second image extremely
The central area for partially covering the first image makes the central area of the combination image obtained have better details table Danone
Power can clearly express scene being amplified.
Wherein, when the first image (or second image) being compressed storage, the file of such as jpeg form is produced.
It should be noted that central area of the present invention is, for example, using the central point of the first image as origin, with pre-
Measured length is the border circular areas of radius；Either using the central point of the first image as midpoint, using predetermined length as length and width
Rectangular area.As frame A area defined is the central area of the first image in Fig. 2.
Image capturing method as shown in Figure 1, first starting combination photographing mode, user inputs photographing instruction, then super wide
Angle camera and common camera sync pulse jamming；Obtaining in ultra wide-angle imaging head for the image of common camera acquisition is recorded simultaneously
Image on coordinate；Then above-mentioned image data is subjected to compression storage, and is merged into a jpeg file.
According to the second aspect of invention, the present invention provides a kind of image capturing device comprising shooting module and processing
Module.Wherein, shooting module include the first camera and second camera, the first camera for obtain the first image, second
Camera is used for while obtaining the second image, wherein the second image can at least cover the part predeterminable area of the first image.Place
Reason module obtains combination image for synthesizing the first image and the second image.
Further, the first camera is ultra wide-angle imaging head, and second camera is common camera.It is to be appreciated that
The quantity of common camera can be one or more.
In addition, image capturing device of the invention further includes read module, wherein read module can read first respectively
Image, the second image and combination image.In other words, read module can obtain the first image data, the second picture number respectively
According to, coordinate data and combined image data, so that the first image or the second image can individually be read by read module,
And individually show it, data splitting also can be read and shown so that image will be combined.For example, read module is picture library
Module, wherein library module reads the compressed data of the first image, to show the first image, and the second image data of synchronous load
And coordinate data, to show combination image.
In addition, the image data of acquisition is only the first picture number when other modules (such as third party software) open the image
According to.
In terms of the third of invention, the present invention provides a kind of image taking terminal comprising above-mentioned image taking
Device.Image taking terminal of the invention, such as smart phone.
Although by reference to preferred embodiment, invention has been described, the case where not departing from the scope of the present invention
Under, various improvement can be carried out to it and can replace component therein with equivalent.Especially, as long as there is no structures to rush
Prominent, items technical characteristic mentioned in the various embodiments can be combined in any way.The invention is not limited to texts
Disclosed in specific embodiment, but include all technical solutions falling within the scope of the claims.
Claims (10)
1. a kind of image capturing method, which is characterized in that including following operating procedure:
The first image is obtained by the first camera, the second image is obtained by second camera；
The first image and second image are synthesized, combination image is obtained；
Wherein, second image can at least cover the part predeterminable area of the first image, and first camera is
Ultra wide-angle imaging head.
2. image capturing method according to claim 1, which is characterized in that first camera and second camera shooting
Head shooting simultaneously is to obtain the first image and second image.
3. image capturing method according to claim 1 or 2, which is characterized in that
The first image is that the preview screen of first camera shooting is formed by frame image；
Second image is that the preview screen of second camera shooting contracts in proportion according to the size of the first image
The frame image formed after putting.
4. image capturing method according to claim 1 or 2, which is characterized in that in the preview mode of image taking terminal
In, second image is shown in the first image in the form of windows.
5. image capturing method according to claim 1 or 2, which is characterized in that in the preview mode of image taking terminal
In, record coordinate of second image in the first image.
6. image capturing method according to claim 1 or 2, which is characterized in that first camera and described second
Camera is located at the same side of image taking terminal.
7. a kind of image capturing device characterized by comprising
Shooting module comprising the first camera and second camera, first camera are described for obtaining the first image
Second camera is for obtaining the second image；And
Processing module: for synthesizing the first image and second image, combination image is obtained；
Wherein, second image can at least cover the part predeterminable area of the first image, and the first shooting head is
Ultra wide-angle imaging head.
8. image capturing device according to claim 7, which is characterized in that first camera and second camera shooting
Head shooting simultaneously is to obtain the first image and second image.
9. image capturing method according to claim 7 or 8, which is characterized in that it further include read module, the reading mould
Block can read the first image, second image and the combination image respectively.
10. a kind of image taking terminal, which is characterized in that including image capturing device described in claim 7-9.
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| CN201910451269.4A CN110072058B (en) | 2019-05-28 | 2019-05-28 | Image shooting device and method and terminal |
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| CN201910451269.4A CN110072058B (en) | 2019-05-28 | 2019-05-28 | Image shooting device and method and terminal |
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