CN107404619B - image zooming processing method and device and terminal equipment - Google Patents
image zooming processing method and device and terminal equipment Download PDFInfo
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- CN107404619B CN107404619B CN201710693866.9A CN201710693866A CN107404619B CN 107404619 B CN107404619 B CN 107404619B CN 201710693866 A CN201710693866 A CN 201710693866A CN 107404619 B CN107404619 B CN 107404619B
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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
- H04N23/69—Control of means for changing angle of the field of view, e.g. optical zoom objectives or electronic zooming
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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
- H04N23/67—Focus control based on electronic image sensor signals
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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
- H04N23/62—Control of parameters via user interfaces
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Abstract
the application provides an image zooming processing method, an image zooming processing device and terminal equipment, wherein the method comprises the following steps: detecting zoom operation of a user on an original preview image acquired by a terminal device at an initial position, and determining a zoom multiple and an amplification area; triggering the micro-electro-mechanical system to respectively move the image sensor to reference positions corresponding to a plurality of directions according to a preset moving distance corresponding to the zoom multiple, and respectively acquiring corresponding reference preview images at the reference positions; superposing a reference pixel corresponding to the amplified region in the reference preview image and an original pixel corresponding to the amplified region in the original preview image to obtain a synthesized pixel corresponding to the amplified region; and carrying out zooming and enlarging processing on the synthesized pixels according to the size of the original preview image. Therefore, the image sensor is controlled to accurately and rapidly move through the micro-electro-mechanical system so as to carry out zooming and amplifying treatment, the number of pixel points in an amplifying area is increased, and the quality of images in the amplifying area is improved.
Description
Technical Field
the present application relates to the field of communications technologies, and in particular, to an image zooming processing method and apparatus, and a terminal device.
background
generally, one important index of the photographing function of the terminal device is the sharpness of an image. The user can shoot the image in a digital zooming mode according to the requirement. However, such clipping of pixels for zooming purposes can cause picture quality degradation.
Disclosure of Invention
The present application is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, a first objective of the present application is to provide an image zooming processing method, in which an image sensor is controlled by a micro-electromechanical system to move accurately and rapidly for zooming and amplifying, so as to increase the number of pixels in an amplified region, and further improve the quality of an image in the amplified region.
A second object of the present application is to provide an image zoom processing apparatus.
A third object of the present application is to provide a terminal device.
A fourth object of the present application is to propose another terminal device.
To achieve the above object, an embodiment of a first aspect of the present application proposes an image zooming processing method, including: detecting zoom operation of a user on an original preview image acquired by a terminal device at an initial position, and determining a zoom multiple and an amplification area; triggering a micro-electro-mechanical system to respectively move the image sensors to one or more reference positions according to a preset moving distance corresponding to the zoom multiple, and respectively acquiring corresponding reference preview images at the reference positions; superposing a reference pixel corresponding to the enlarged region in the reference preview image and an original pixel corresponding to the enlarged region in the original preview image to obtain a synthesized pixel corresponding to the enlarged region; and carrying out zooming and amplifying processing on the synthesized pixels according to the size of the original preview image.
the image zooming processing method includes the steps of firstly detecting zooming operation of a user on an original preview image acquired by a terminal device at an initial position, determining a zooming multiple and an amplification area, then triggering a micro-electromechanical system to move an image sensor to one or more reference positions respectively according to a preset moving distance corresponding to the zooming multiple, acquiring corresponding reference preview images at the reference positions respectively, then superposing reference pixels corresponding to the amplification area in the reference preview image and original pixels corresponding to the amplification area in the original preview image to acquire synthesized pixels corresponding to the amplification area, and finally zooming and amplifying the synthesized pixels according to the size of the original preview image. Therefore, the image sensor is controlled to accurately and rapidly move through the micro-electro-mechanical system so as to carry out zooming and amplifying treatment, the number of pixel points in an amplifying area is increased, and the quality of images in the amplifying area is improved.
To achieve the above object, an embodiment of a second aspect of the present application provides an image zoom processing apparatus, including: the determining module is used for detecting the zooming operation of the user on the original preview image acquired by the terminal equipment at the initial position, and determining the zooming multiple and the zooming-in area; the first acquisition module is used for triggering the micro-electro-mechanical system to respectively move the image sensor to one or more reference positions according to a preset movement distance corresponding to the zoom multiple, and respectively acquiring corresponding reference preview images at the reference positions; a second obtaining module, configured to superimpose a reference pixel corresponding to the enlarged region in the reference preview image and an original pixel corresponding to the enlarged region in the original preview image, and obtain a synthesized pixel corresponding to the enlarged region; and the processing module is used for carrying out zooming and amplifying processing on the synthesized pixels according to the size of the original preview image.
the image zooming processing device of the embodiment of the application firstly detects zooming operation of a user on an original preview image acquired by a terminal device at an initial position, determines zooming multiples and an amplification area, then triggers a micro-electromechanical system to respectively move an image sensor to one or more reference positions according to a preset moving distance corresponding to the zooming multiples, respectively acquires corresponding reference preview images at the reference positions, then superposes reference pixels corresponding to the amplification area in the reference preview image and original pixels corresponding to the amplification area in the original preview image, acquires synthesized pixels corresponding to the amplification area, and finally zooms and amplifies the synthesized pixels according to the size of the original preview image. Therefore, the image sensor is controlled to accurately and rapidly move through the micro-electro-mechanical system so as to carry out zooming and amplifying treatment, the number of pixel points in an amplifying area is increased, and the quality of images in the amplifying area is improved.
to achieve the above object, a third aspect of the present application provides a terminal device, including: the image zoom processing apparatus as described above.
The terminal device of the embodiment of the application firstly detects the zooming operation of a user on an original preview image acquired by the terminal device at an initial position, determines the zooming multiple and an amplification area, then triggers a micro-electromechanical system to respectively move an image sensor to one or more reference positions according to a preset moving distance corresponding to the zooming multiple, respectively acquires corresponding reference preview images at the reference positions, then superposes a reference pixel corresponding to the amplification area in the reference preview image and an original pixel corresponding to the amplification area in the original preview image to acquire a synthesized pixel corresponding to the amplification area, and finally carries out zooming amplification processing on the synthesized pixel according to the size of the original preview image. Therefore, the image sensor is controlled to accurately and rapidly move through the micro-electro-mechanical system so as to carry out zooming and amplifying treatment, the number of pixel points in an amplifying area is increased, and the quality of images in the amplifying area is improved.
To achieve the above object, a fourth aspect of the present application provides a terminal device, including: the casing with set up imaging module in the casing, wherein, imaging module includes: the image sensor comprises a micro-electro-mechanical system, an image sensor, a lens, a memory and a processor, wherein the micro-electro-mechanical system controls the image sensor to move, and the memory is used for storing executable program codes; the processor executes by reading executable program code stored in the memory:
Detecting zoom operation of a user on an original preview image acquired by a terminal device at an initial position, and determining a zoom multiple and an amplification area;
Triggering a micro-electro-mechanical system to respectively move the image sensors to one or more reference positions according to a preset moving distance corresponding to the zoom multiple, and respectively acquiring corresponding reference preview images at the reference positions;
Superposing a reference pixel corresponding to the enlarged region in the reference preview image and an original pixel corresponding to the enlarged region in the original preview image to obtain a synthesized pixel corresponding to the enlarged region;
And carrying out zooming and amplifying processing on the synthesized pixels according to the size of the original preview image.
the terminal device of the embodiment of the application firstly detects the zooming operation of a user on an original preview image acquired by the terminal device at an initial position, determines the zooming multiple and an amplification area, then triggers a micro-electromechanical system to respectively move an image sensor to one or more reference positions according to a preset moving distance corresponding to the zooming multiple, respectively acquires corresponding reference preview images at the reference positions, then superposes a reference pixel corresponding to the amplification area in the reference preview image and an original pixel corresponding to the amplification area in the original preview image to acquire a synthesized pixel corresponding to the amplification area, and finally carries out zooming amplification processing on the synthesized pixel according to the size of the original preview image. Therefore, the image sensor is controlled to accurately and rapidly move through the micro-electro-mechanical system so as to carry out zooming and amplifying treatment, the number of pixel points in an amplifying area is increased, and the quality of images in the amplifying area is improved.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a flow chart illustrating an image zooming processing method according to an embodiment of the present application;
FIG. 2 is a schematic flow diagram of a MEMS of one embodiment of the present application;
FIG. 3 is a schematic illustration of a reference location of one embodiment of the present application;
FIG. 4 is a schematic illustration of a reference position of another embodiment of the present application;
Fig. 5 is a flowchart illustrating a panorama photographing method according to another embodiment of the present application;
FIG. 6 is a schematic diagram of pixel synthesis according to one embodiment of the present application;
Fig. 7 is a schematic structural diagram of a panorama shooting apparatus according to an embodiment of the present application;
fig. 8 is a schematic structural view of a panorama photographing apparatus according to another embodiment of the present application;
Fig. 9 is a schematic structural view of a panorama photographing apparatus according to another embodiment of the present application; and
Fig. 10 is a schematic structural diagram of a terminal device according to another embodiment of the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.
an image zoom processing method, an apparatus, and a terminal device according to embodiments of the present application are described below with reference to the drawings.
Fig. 1 is a flowchart illustrating an image zooming processing method according to an embodiment of the present application.
As shown in fig. 1, the image zoom processing method includes:
step 101, detecting a zoom operation of an original preview image acquired by a user at an initial position of a terminal device, and determining a zoom multiple and an amplification area.
specifically, the image zoom processing method provided by the present embodiment is specifically described by way of example as being configured in a terminal device having an image capturing function. It should be noted that the types of the terminal devices are many and can be selected according to application requirements, for example: mobile phones, tablet computers, and the like.
Specifically, during the photographing process, a zoom function on the terminal device may be adopted to perform zooming for the practical application requirements of the user. The embodiment of the application combines the characteristics of a Micro-Electro-Mechanical System (MEMS for short), and provides a method for controlling the image sensor to accurately and rapidly move by using the MEMS to zoom and amplify, so that the quantity of photographing pixel points is increased, and the quality of photographed images is improved. The specific structure is specifically described below with reference to fig. 2:
Among them, the mems, also called as micro-electro-mechanical system, micro-machine, etc., is developed based on the micro-electronic technology (semiconductor manufacturing technology), and integrates the technologies of lithography, etching, thin film, LIGA, silicon micro-processing, non-silicon micro-processing, precision machining, etc. to produce high-tech electro-mechanical devices.
as shown in fig. 2, the mems 12 is connected to the image sensor 14, and the mems 12 includes a fixed electrode 122, a movable electrode 124 and a deformable connecting member 126. The movable electrode 124 is mated with the stationary electrode 122. The connecting member 126 fixedly connects the fixed electrode 122 and the movable electrode 124. The fixed electrode 122 and the movable electrode 124 are used for generating an electrostatic force under the action of a driving voltage. The connecting member 126 is configured to deform under the action of electrostatic force in the moving direction of the movable electrode 124 to allow the movable electrode 124 to move so as to move the image sensor 14 precisely and finely up and down and left and right in a plane.
it should be noted that, according to different application requirements, the corresponding MEMS is set to control the image sensor to move in different directions. The MEMS control image sensor can control the step length of each movement of the image sensor and the like, can be calibrated by the system according to a large amount of experimental data, and can also be set by a user according to requirements. Examples are as follows:
Arranging a first micro-electro-mechanical system to be connected with the first image sensor so as to control the first image sensor to move transversely; a second MEMS is configured to interface with the second image sensor to control lateral movement of the second image sensor.
specifically, in the shooting process, when a user triggers a zoom operation to perform a zoom function, the zoom operation of the user on an original preview image acquired by the terminal device at an initial position is detected, and a zoom multiple and an amplification area are determined.
the zoom operation of the original preview image acquired by the terminal device at the initial position by the user may be performed in various ways, which may be selected according to actual needs, for example, as follows:
example one:
and carrying out zooming touch operation on the interface of the original preview image by the user.
For example, during shooting, the user can respectively slide the interface of the original preview image outward through two fingers, and determine that the zoom multiple is 2 times and the zoom-in area is the upper left corner.
Example two:
And the user performs touch operation on the preset zoom control key.
For example, a zoom control key may be provided in the terminal device, and when the key is pressed by different forces, different zoom magnifications and zoom-in areas may be determined; alternatively, when the key is rotated by different angles, different zoom magnifications and magnification areas may be determined. For example, by rotating the key 5 degrees to the left, the zoom factor of 2 and the zoom-in area may be determined to be the upper left corner.
and 102, triggering the micro-electro-mechanical system to respectively move the image sensors to one or more reference positions according to a preset moving distance corresponding to the zoom multiple, and respectively acquiring corresponding reference preview images at the reference positions.
Specifically, the moving distance of the micro-electromechanical system corresponding to the zoom multiple is preset, and after the moving distance of the micro-electromechanical system corresponding to the zoom multiple is obtained through inquiry according to the determined zoom multiple, the micro-electromechanical system is triggered to move the image sensor from the initial position to one reference position or a plurality of reference positions according to the respective moving distances, and corresponding reference preview images are respectively obtained at the reference positions.
The preset moving distance of the micro-electro-mechanical system corresponding to the zoom multiple can be set according to practical application. The following examples illustrate:
in an example, a preset mapping relation table of zoom multiples and moving distances is queried to obtain a moving distance corresponding to a current zoom multiple.
For example, zoom operation of a user on an original preview image acquired by the terminal device at an initial position is detected, the current zoom multiple is determined to be 2 times, and then a mapping relation table of the zoom multiple and the moving distance is inquired, so that the moving distance of the micro-electromechanical system corresponding to the current zoom multiple 2 times is obtained, wherein the moving distance is half of a pixel.
in the second example, the operation relationship between the zoom multiple and the moving distance is preset, and after the zooming is triggered, the current zoom multiple is calculated according to the preset operation relationship to determine the moving distance.
For example, zoom operation of a user on an original preview image acquired by the terminal device at an initial position is detected, a current zoom multiple is determined to be 4 times, and then a distance of one pixel corresponding to the movement distance of the micro-electro-mechanical system corresponding to the current zoom multiple of 4 times is obtained by presetting an operation relation between the zoom multiple and the movement distance.
and after the moving distance is determined, triggering the micro-electro-mechanical system to move the image sensor from the initial position to one reference position or a plurality of reference positions according to the respective moving distances, and respectively acquiring corresponding reference preview images at the reference positions. As illustrated in connection with fig. 3 and 4:
Example one:
And triggering the micro-electro-mechanical system to move the image sensor from the initial position to the first reference position from the right according to the preset moving distance corresponding to the zoom multiple, and acquiring a first reference preview image. As shown in region a in fig. 3. And/or
And triggering the micro-electro-mechanical system to move the image sensor from the initial position to the left to a second reference position according to a preset moving distance corresponding to the zooming multiple, and acquiring a second reference preview image. As shown in region B in fig. 3. And/or
and triggering the micro-electro-mechanical system to move the image sensor upwards from the initial position to a third reference position according to a preset moving distance corresponding to the zooming multiple, and acquiring a third reference preview image. As shown in region C of fig. 3. And/or
and triggering the micro-electro-mechanical system to move the image sensor downwards from the initial position to a fourth reference position according to a preset moving distance corresponding to the zooming multiple, and acquiring a fourth reference preview image. As shown in region D in fig. 3.
It should be noted that the number of pixels can be increased according to specific needs to make the mems control the image sensor to move one reference position or multiple reference positions, or move only one reference position to the right. Three reference positions can also be obtained by moving left, right and upwards. The selective setting can be made according to the specific situation.
example two:
and triggering the micro-electro-mechanical system to move the image sensor from the initial position to a first reference position in a first direction according to a preset moving distance corresponding to the zoom multiple, and acquiring a first reference preview image. As shown in region a in fig. 4.
And triggering the micro-electro-mechanical system to move the image sensor from the first reference position to the second reference position in the second direction according to the moving distance, and acquiring a second reference preview image. As shown in region B in fig. 4.
And triggering the micro-electro-mechanical system to move the image sensor from the second reference position to a third reference position in a third direction according to the moving distance, and acquiring a third reference preview image. As shown in region C of fig. 4.
It should be noted that the number of pixels can be increased according to specific needs to make the mems control the image sensor to move one reference position or multiple reference positions, two reference positions can be obtained leftward and rightward, or three reference positions can be obtained leftward, rightward and leftward, and so on. The selective setting can be made according to the specific situation.
And 103, overlapping the reference pixel corresponding to the amplified region in the reference preview image and the original pixel corresponding to the amplified region in the original preview image to obtain a synthesized pixel corresponding to the amplified region.
and 104, zooming and enlarging the synthesized pixels according to the size of the original preview image.
Specifically, after the reference preview image is acquired, the reference pixels corresponding to the enlarged area in the reference preview image and the original pixels corresponding to the enlarged area in the original preview image are superposed to obtain synthesized pixels corresponding to the enlarged area, and finally, the synthesized pixels are subjected to zoom magnification processing according to the size of the original preview image. Therefore, the quantity of the pixel points in the amplification area is increased, and the quality of the image in the amplification area is improved.
The image zooming processing method provided by the embodiment of the application comprises the steps of firstly detecting zooming operation of a user on an original preview image acquired by a terminal device at an initial position, determining a zooming multiple and an amplification area, then triggering a micro-electromechanical system to move an image sensor to one or more reference positions respectively according to a preset moving distance corresponding to the zooming multiple, acquiring corresponding reference preview images at the reference positions respectively, then superposing reference pixels corresponding to the amplification area in the reference preview image and original pixels corresponding to the amplification area in the original preview image to acquire synthesized pixels corresponding to the amplification area, and finally zooming and amplifying the synthesized pixels according to the size of the original preview image. Therefore, the image sensor is controlled to accurately and rapidly move through the micro-electro-mechanical system so as to carry out zooming and amplifying treatment, the number of pixel points in an amplifying area is increased, and the quality of images in the amplifying area is improved.
the image zooming processing method according to the embodiment of the present application is further described in detail below with reference to fig. 5.
Fig. 5 is a flowchart illustrating an image zooming processing method according to another embodiment of the present application. As shown in fig. 5:
Step 501, acquiring a horizontal resolution and a vertical resolution of an image sensor.
Step 502, setting a corresponding relation between the zoom multiple and the moving distance according to the horizontal resolution and the vertical resolution.
It should be understood that, depending on the application scenario, the corresponding relationship between the zoom factor and the moving distance may be set as needed, for example, the horizontal resolution W and the vertical resolution H, the moving distance Y of the pixel point may be determined as W-H, and the zoom factor may be X at the horizontal resolution W and the vertical resolution H, so that the corresponding relationship between X and Y may be determined.
step 503, detecting the zoom operation of the user on the original preview image acquired by the terminal device at the initial position, and determining the zoom multiple and the zoom-in area.
specifically, in the shooting process, when a user triggers a zoom operation to perform a zoom function, the zoom operation of the user on an original preview image acquired by the terminal device at an initial position is detected, and a zoom multiple and an amplification area are determined. And determining the moving distance according to the corresponding relation between the zooming times and the moving distance.
And step 504, triggering the micro-electro-mechanical system to move the image sensor from the initial position to a first reference position in a first direction according to a preset moving distance corresponding to the zoom multiple, and acquiring a first reference preview image.
And 505, triggering the micro-electro-mechanical system to move the image sensor from the first reference position to the second reference position in the second direction according to the moving distance, and acquiring a second reference preview image.
step 506, triggering the micro-electro-mechanical system to move the image sensor from the second reference position to a third reference position in a third direction according to the moving distance, and acquiring a third reference preview image.
Specifically, after the movement distance of the corresponding micro-electromechanical system is obtained through inquiry according to the determined zoom multiple, the micro-electromechanical system is triggered to move the image sensor from the initial position to the first reference position according to the movement distance, then the image sensor is moved from the first reference position to the second reference position in the second direction according to the movement distance to obtain a second reference preview image, and then the image sensor is moved from the second reference position to the third reference position in the third direction according to the movement distance to obtain a third reference preview image. The specific implementation process is as shown in the example of fig. 4.
And 507, overlapping the reference pixel corresponding to the amplified region in the reference preview image and the original pixel corresponding to the amplified region in the original preview image to obtain a synthesized pixel corresponding to the amplified region.
And step 508, zooming and enlarging the synthesized pixels according to the size of the original preview image.
continuing with the example of fig. 4 described above, after obtaining 3 reference preview images, the reference pixels corresponding to the enlarged area in the 3 reference preview images and the original pixels corresponding to the enlarged area in the original preview image are superimposed, as shown on the left side of fig. 6, whereby the images are synthesized, the pixel density is raised, and the position to be zoomed is fetched to obtain the synthesized pixels corresponding to the enlarged area. And finally, zooming and amplifying the synthesized pixels according to the size of the original preview image.
The image zooming processing method includes the steps of firstly detecting zooming operation of a user on an original preview image acquired by a terminal device at an initial position, determining a zooming multiple and an amplification area, then triggering a micro-electromechanical system to move an image sensor to one or more reference positions respectively according to a preset moving distance corresponding to the zooming multiple, acquiring corresponding reference preview images at the reference positions respectively, then superposing reference pixels corresponding to the amplification area in the reference preview image and original pixels corresponding to the amplification area in the original preview image to acquire synthesized pixels corresponding to the amplification area, and finally zooming and amplifying the synthesized pixels according to the size of the original preview image. Therefore, the image sensor is controlled to accurately and rapidly move through the micro-electro-mechanical system so as to carry out zooming and amplifying processing, the number of photographing pixel points is increased, and the quality of photographed images is improved.
In order to implement the above embodiments, the present application also proposes an image zoom processing apparatus.
Fig. 7 is a schematic structural diagram of an image zoom processing apparatus according to an embodiment of the present application.
as shown in fig. 7, the image zoom processing apparatus includes: a determination module 10, a first acquisition module 20, a second acquisition module 30 and a processing module 40.
the determining module 10 is configured to detect a zoom operation performed by a user on an original preview image acquired by the terminal device at an initial position, and determine a zoom multiple and an enlargement area.
The determination module 10 is specifically configured to: and determining a zooming multiple and an amplification area according to the zooming touch operation of the user on the interface of the original preview image. Or, determining the zoom multiple and the zoom-in area according to the touch operation of the user on the preset zoom control key.
the first obtaining module 20 is configured to trigger the mems to move the image sensors to one or more reference positions according to a preset moving distance corresponding to the zoom multiple, and obtain corresponding reference preview images at the reference positions.
The first obtaining module 20 is specifically configured to:
and triggering the micro-electro-mechanical system to move the image sensor from the initial position to a first reference position from the right according to a preset moving distance corresponding to the zooming multiple, and acquiring a first reference preview image. And/or the presence of a gas in the gas,
And triggering the micro-electro-mechanical system to move the image sensor from the initial position to a second reference position leftwards according to a preset moving distance corresponding to the zooming multiple, and acquiring a second reference preview image. And/or the presence of a gas in the gas,
And triggering the micro-electro-mechanical system to move the image sensor upwards from the initial position to a third reference position according to a preset moving distance corresponding to the zooming multiple, and acquiring a third reference preview image. And/or the presence of a gas in the gas,
And triggering the micro-electro-mechanical system to move the image sensor downwards from the initial position to a fourth reference position according to a preset moving distance corresponding to the zooming multiple, and acquiring a fourth reference preview image.
In addition, the first obtaining module 20 is specifically configured to:
And triggering the micro-electro-mechanical system to move the image sensor from the initial position to a first reference position in a first direction according to a preset moving distance corresponding to the zoom multiple, and acquiring a first reference preview image.
and triggering the micro-electro-mechanical system to move the image sensor from the first reference position to the second reference position in the second direction according to the moving distance, and acquiring a second reference preview image.
And triggering the micro-electro-mechanical system to move the image sensor from the second reference position to a third reference position in a third direction according to the moving distance, and acquiring a third reference preview image.
the second obtaining module 30 is configured to superimpose a reference pixel corresponding to the enlarged region in the reference preview image and an original pixel corresponding to the enlarged region in the original preview image, so as to obtain a synthesized pixel corresponding to the enlarged region.
The processing module 40 is configured to perform zoom-in processing on the synthesized pixels according to the size of the original preview image.
It should be noted that the foregoing explanation of the embodiment of the image zooming processing method shown in fig. 1 is also applicable to the image zooming processing apparatus of this embodiment, and is not repeated here.
the image zooming processing device provided by the embodiment of the application detects zooming operation of a user on an original preview image acquired by a terminal device at an initial position, determines zooming multiples and an amplification area, triggers a micro-electromechanical system to move an image sensor to one or more reference positions respectively according to a preset moving distance corresponding to the zooming multiples, acquires corresponding reference preview images at the reference positions respectively, superposes reference pixels corresponding to the amplification area in the reference preview image and original pixels corresponding to the amplification area in the original preview image to acquire synthesized pixels corresponding to the amplification area, and finally zooms and amplifies the synthesized pixels according to the size of the original preview image. Therefore, the image sensor is controlled to accurately and rapidly move through the micro-electro-mechanical system so as to carry out zooming and amplifying treatment, the number of pixel points in an amplifying area is increased, and the quality of images in the amplifying area is improved.
Fig. 8 is a schematic structural diagram of an image zoom processing apparatus according to another embodiment of the present application.
as shown in fig. 8, in addition to the above fig. 7, the present invention further includes:
The third acquiring module 50 is used for acquiring the horizontal resolution and the vertical resolution of the image sensor.
the setting module 60 is configured to set a corresponding relationship between the zoom factor and the moving distance according to the horizontal resolution and the vertical resolution.
it should be understood that, depending on the application scenario, the corresponding relationship between the zoom factor and the moving distance may be set as needed, for example, the horizontal resolution W and the vertical resolution H, the moving distance Y of the pixel point may be determined as W-H, and the zoom factor may be X at the horizontal resolution W and the vertical resolution H, so that the corresponding relationship between X and Y may be determined.
It should be noted that the foregoing explanation of the embodiment of the image zooming processing method shown in fig. 5 is also applicable to the image zooming processing apparatus of this embodiment, and is not repeated here.
the image zooming processing device of the embodiment of the application firstly detects zooming operation of a user on an original preview image acquired by a terminal device at an initial position, determines zooming multiples and an amplification area, then triggers a micro-electromechanical system to respectively move an image sensor to one or more reference positions according to a preset moving distance corresponding to the zooming multiples, respectively acquires corresponding reference preview images at the reference positions, then superposes reference pixels corresponding to the amplification area in the reference preview image and original pixels corresponding to the amplification area in the original preview image, acquires synthesized pixels corresponding to the amplification area, and finally zooms and amplifies the synthesized pixels according to the size of the original preview image. Therefore, the image sensor is controlled to accurately and rapidly move through the micro-electro-mechanical system so as to carry out zooming and amplifying treatment, the number of pixel points in an amplifying area is increased, and the quality of images in the amplifying area is improved.
Fig. 9 is a schematic structural diagram of a terminal device according to an embodiment of the present application.
as shown in fig. 9, the terminal device 1 includes: the image zooming processing device 2, wherein the image zooming processing device 2 may adopt the image zooming processing device provided by the above-mentioned embodiment shown in fig. 7 or fig. 8 of the present invention.
wherein the terminal device 1 includes: a mobile phone or a tablet computer.
It should be noted that the foregoing explanation of the embodiment of the image zooming processing method is also applicable to the terminal device of the embodiment, and the implementation principle thereof is similar and will not be described herein again.
the terminal device of the embodiment of the application firstly detects the zooming operation of a user on an original preview image acquired by the terminal device at an initial position, determines the zooming multiple and an amplification area, then triggers a micro-electromechanical system to respectively move an image sensor to one or more reference positions according to a preset moving distance corresponding to the zooming multiple, respectively acquires corresponding reference preview images at the reference positions, then superposes a reference pixel corresponding to the amplification area in the reference preview image and an original pixel corresponding to the amplification area in the original preview image to acquire a synthesized pixel corresponding to the amplification area, and finally carries out zooming amplification processing on the synthesized pixel according to the size of the original preview image. Therefore, the image sensor is controlled to accurately and rapidly move through the micro-electro-mechanical system so as to carry out zooming and amplifying treatment, the number of pixel points in an amplifying area is increased, and the quality of images in the amplifying area is improved.
Fig. 10 is a schematic structural diagram of a terminal device according to an embodiment of the present application.
referring to fig. 10, the terminal device may include: casing 101, the imaging module 102 of setting in casing 101, imaging module 102 includes: the image sensor system comprises a micro-electro-mechanical system 1021, an image sensor 1022, a memory 1023 and a processor 1024, wherein the micro-electro-mechanical system 1021 controls the movement of the image sensor 1022, and the memory 1023 is used for storing executable program codes; the processor 1024 performs by reading executable program code stored in the memory 1023:
And detecting the zooming operation of the user on the original preview image acquired by the terminal device at the initial position, and determining the zooming times and the zooming-in area.
And triggering the micro-electro-mechanical system to respectively move the image sensors to one or more reference positions according to a preset moving distance corresponding to the zoom multiple, and respectively acquiring corresponding reference preview images at the reference positions.
And superposing the reference pixel corresponding to the amplified region in the reference preview image and the original pixel corresponding to the amplified region in the original preview image to obtain a synthesized pixel corresponding to the amplified region.
and carrying out zooming and enlarging processing on the synthesized pixels according to the size of the original preview image.
it should be noted that the foregoing explanation of the embodiment of the image zooming processing method is also applicable to the terminal device of the embodiment, and the implementation principle thereof is similar and will not be described herein again.
The terminal device of the embodiment of the application firstly detects the zooming operation of a user on an original preview image acquired by the terminal device at an initial position, determines the zooming multiple and an amplification area, then triggers a micro-electromechanical system to respectively move an image sensor to one or more reference positions according to a preset moving distance corresponding to the zooming multiple, respectively acquires corresponding reference preview images at the reference positions, then superposes a reference pixel corresponding to the amplification area in the reference preview image and an original pixel corresponding to the amplification area in the original preview image to acquire a synthesized pixel corresponding to the amplification area, and finally carries out zooming amplification processing on the synthesized pixel according to the size of the original preview image. Therefore, the image sensor is controlled to accurately and rapidly move through the micro-electro-mechanical system so as to carry out zooming and amplifying treatment, the number of pixel points in an amplifying area is increased, and the quality of images in the amplifying area is improved.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, each functional unit in the embodiments of the present application may be integrated into one proxy module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc. Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (12)
1. An image zooming processing method, characterized by comprising the steps of:
detecting zoom operation of a user on an original preview image acquired by a terminal device at an initial position, and determining a zoom multiple and an amplification area;
respectively moving the image sensor to one or more reference positions according to the zoom multiple, and respectively acquiring corresponding reference preview images at the reference positions; wherein, the moving distances of the different zoom multiples to the reference position are different;
superposing a reference pixel corresponding to the enlarged region in the reference preview image and an original pixel corresponding to the enlarged region in the original preview image to obtain a synthesized pixel corresponding to the enlarged region;
And carrying out zooming and amplifying processing on the synthesized pixel.
2. The method of claim 1, wherein detecting a zoom operation of a user on an original preview image acquired by the terminal device at an initial position, determining a zoom multiple and a zoom-in region, comprises:
Determining a zooming multiple and an amplification area according to zooming touch operation of a user on an interface of the original preview image; or the like, or, alternatively,
and determining the zooming times and the zooming-in area according to the touch operation of the user on the preset zooming control key.
3. The method of claim 1, further comprising:
Acquiring the horizontal resolution and the vertical resolution of the image sensor;
And setting the corresponding relation between the zoom multiple and the moving distance according to the horizontal resolution and the vertical resolution.
4. The method according to any one of claims 1-3, wherein the moving the image sensors to one or more reference positions according to the zoom factors and acquiring corresponding reference preview images at the reference positions respectively comprises:
triggering a micro-electro-mechanical system to move an image sensor from the initial position to a first reference position from the right according to a preset moving distance corresponding to the zooming multiple, and acquiring a first reference preview image;
And/or the presence of a gas in the gas,
Triggering the micro-electro-mechanical system to move the image sensor from the initial position to a second reference position leftwards according to a preset moving distance corresponding to the zooming multiple, and acquiring a second reference preview image;
And/or the presence of a gas in the gas,
Triggering the micro-electro-mechanical system to move the image sensor from the initial position to a third reference position upwards according to a preset moving distance corresponding to the zooming multiple, and acquiring a third reference preview image;
and/or the presence of a gas in the gas,
and triggering the micro-electro-mechanical system to move the image sensor downwards from the initial position to a fourth reference position according to a preset moving distance corresponding to the zooming multiple, and acquiring a fourth reference preview image.
5. The method according to any one of claims 1-3, wherein the moving the image sensors to one or more reference positions according to the zoom factors and acquiring corresponding reference preview images at the reference positions respectively comprises:
triggering the micro-electro-mechanical system to move the image sensor from the initial position to a first reference position in a first direction according to a preset moving distance corresponding to the zooming multiple, and acquiring a first reference preview image;
triggering the micro-electro-mechanical system to move the image sensor from the first reference position to a second reference position in a second direction according to the moving distance, and acquiring a second reference preview image;
And triggering the micro-electro-mechanical system to move the image sensor from the second reference position to a third reference position in a third direction according to the moving distance, and acquiring a third reference preview image.
6. an image zoom processing apparatus characterized by comprising:
The determining module is used for detecting the zooming operation of the user on the original preview image acquired by the terminal equipment at the initial position, and determining the zooming multiple and the zooming-in area;
The first acquisition module is used for respectively moving the image sensor to one or more reference positions according to the zoom multiple and respectively acquiring corresponding reference preview images at the reference positions; wherein, the moving distances of the different zoom multiples to the reference position are different;
A second obtaining module, configured to superimpose a reference pixel corresponding to the enlarged region in the reference preview image and an original pixel corresponding to the enlarged region in the original preview image, and obtain a synthesized pixel corresponding to the enlarged region;
And the processing module is used for carrying out zooming and amplifying processing on the synthesized pixels.
7. The apparatus of claim 6, wherein the determination module is specifically configured to:
Determining a zooming multiple and an amplification area according to zooming touch operation of a user on an interface of the original preview image; or the like, or, alternatively,
And determining the zooming times and the zooming-in area according to the touch operation of the user on the preset zooming control key.
8. the apparatus of claim 6, further comprising:
The third acquisition module is used for acquiring the horizontal resolution and the vertical resolution of the image sensor;
And the setting module is used for setting the corresponding relation between the zoom multiple and the moving distance according to the horizontal resolution and the vertical resolution.
9. The apparatus of any one of claims 6-8, wherein the first obtaining module is specifically configured to:
triggering a micro-electro-mechanical system to move an image sensor from the initial position to a first reference position from the right according to a preset moving distance corresponding to the zooming multiple, and acquiring a first reference preview image;
And/or the presence of a gas in the gas,
Triggering the micro-electro-mechanical system to move the image sensor from the initial position to a second reference position leftwards according to a preset moving distance corresponding to the zooming multiple, and acquiring a second reference preview image;
and/or the presence of a gas in the gas,
Triggering the micro-electro-mechanical system to move the image sensor from the initial position to a third reference position upwards according to a preset moving distance corresponding to the zooming multiple, and acquiring a third reference preview image;
and/or the presence of a gas in the gas,
and triggering the micro-electro-mechanical system to move the image sensor downwards from the initial position to a fourth reference position according to a preset moving distance corresponding to the zooming multiple, and acquiring a fourth reference preview image.
10. the apparatus of any one of claims 6-8, wherein the first obtaining module is specifically configured to:
Triggering the micro-electro-mechanical system to move the image sensor from the initial position to a first reference position in a first direction according to a preset moving distance corresponding to the zooming multiple, and acquiring a first reference preview image;
Triggering the micro-electro-mechanical system to move the image sensor from the first reference position to a second reference position in a second direction according to the moving distance, and acquiring a second reference preview image;
And triggering the micro-electro-mechanical system to move the image sensor from the second reference position to a third reference position in a third direction according to the moving distance, and acquiring a third reference preview image.
11. A terminal device, comprising: an image zoom processing apparatus according to any one of claims 6 to 10.
12. A terminal device, comprising: the casing with set up imaging module in the casing, wherein, imaging module includes: the image sensor comprises a micro-electro-mechanical system, an image sensor, a lens, a memory and a processor, wherein the micro-electro-mechanical system controls the image sensor to move, and the memory is used for storing executable program codes; the processor executes by reading executable program code stored in the memory:
Detecting zoom operation of a user on an original preview image acquired by a terminal device at an initial position, and determining a zoom multiple and an amplification area;
Respectively moving the image sensor to one or more reference positions according to the zoom multiple, and respectively acquiring corresponding reference preview images at the reference positions; wherein, the moving distances of the different zoom multiples to the reference position are different;
superposing a reference pixel corresponding to the enlarged region in the reference preview image and an original pixel corresponding to the enlarged region in the original preview image to obtain a synthesized pixel corresponding to the enlarged region;
And carrying out zooming and amplifying processing on the synthesized pixel.
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| CN107404619B (en) * | 2016-07-29 | 2019-12-06 | Oppo广东移动通信有限公司 | image zooming processing method and device and terminal equipment |
| CN108307111A (en) * | 2018-01-22 | 2018-07-20 | 努比亚技术有限公司 | A kind of zoom photographic method, mobile terminal and storage medium |
| CN109286750B (en) * | 2018-09-21 | 2020-10-27 | 重庆传音科技有限公司 | Zooming method based on intelligent terminal and intelligent terminal |
| CN110198413B (en) * | 2019-06-25 | 2021-01-08 | 维沃移动通信有限公司 | Video shooting method, video shooting device and electronic equipment |
| CN110784654B (en) * | 2019-11-26 | 2021-05-28 | 维沃移动通信有限公司 | Photographing preview method and electronic equipment |
| CN113132614B (en) | 2019-12-31 | 2023-09-01 | 中兴通讯股份有限公司 | Camera optical zooming electronic device, method, unit and memory |
| CN113055592B (en) * | 2021-03-11 | 2023-03-21 | Oppo广东移动通信有限公司 | Image display method and device, electronic equipment and computer readable storage medium |
| CN116939363B (en) * | 2022-03-29 | 2024-04-26 | 荣耀终端有限公司 | Image processing method and electronic equipment |
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| CN106254767B (en) | 2017-09-19 |
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