WO2018018930A1 - 图像变焦处理方法、装置及终端设备 - Google Patents

图像变焦处理方法、装置及终端设备 Download PDF

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Publication number
WO2018018930A1
WO2018018930A1 PCT/CN2017/079491 CN2017079491W WO2018018930A1 WO 2018018930 A1 WO2018018930 A1 WO 2018018930A1 CN 2017079491 W CN2017079491 W CN 2017079491W WO 2018018930 A1 WO2018018930 A1 WO 2018018930A1
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Prior art keywords
zoom
preview image
image
image sensor
moving distance
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PCT/CN2017/079491
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English (en)
French (fr)
Inventor
苏豫
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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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
    • 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
    • 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

Definitions

  • the present application relates to the field of communications technologies, and in particular, to an image zoom processing method, apparatus, and terminal device.
  • an important indicator of the shooting function of the terminal device is the sharpness of the image. Users can take pictures according to their needs with digital zoom. However, this effect is caused by cropping the pixels to achieve zooming.
  • the present application aims to solve at least one of the technical problems in the related art to some extent.
  • the first object of the present application is to provide an image zoom processing method, which controls the image sensor to accurately move quickly by the MEMS system to perform zoom amplification processing, thereby increasing the number of pixels in the enlarged area, thereby improving the zoom-in area.
  • the quality of the image is to provide an image zoom processing method, which controls the image sensor to accurately move quickly by the MEMS system to perform zoom amplification processing, thereby increasing the number of pixels in the enlarged area, thereby improving the zoom-in area. The quality of the image.
  • a second object of the present application is to propose an image zoom processing apparatus.
  • a third object of the present application is to propose a terminal device.
  • a fourth object of the present application is to propose another terminal device.
  • the first aspect of the present application provides an image zoom processing method, including: detecting a zoom operation of a raw preview image acquired by a user at an initial position of a terminal device, determining a zoom magnification and an enlargement region; triggering a micro-electromechanical The system respectively moves the image sensor to one or more reference positions according to a preset moving distance corresponding to the zooming multiple, and respectively obtains a corresponding reference preview image at the reference position; and the reference preview image is a reference pixel corresponding to the enlarged area, and original pixels corresponding to the enlarged area in the original preview image are superimposed to acquire a synthesized pixel corresponding to the enlarged area; and the synthesized pixel is according to the original preview image The size is zoomed in.
  • the image zoom processing method of the embodiment of the present application first detects a zoom operation of the original preview image acquired by the user on the initial position of the terminal device, determines a zoom magnification and an enlarged area, and then triggers the MEMS to follow the preset and zoom. Multiplying the corresponding moving distance, moving the image sensor to one or more reference positions respectively, and respectively obtaining a corresponding reference preview image at the reference position, and then referring to the reference pixel corresponding to the enlarged area in the preview image, and the original preview image
  • the original pixels corresponding to the enlarged area are superimposed, the synthesized pixels corresponding to the enlarged area are acquired, and finally, the synthesized pixels are subjected to zoom enlargement processing according to the size of the original preview image.
  • the micro-electromechanical system controls the image sensor to accurately move quickly to perform zoom amplification processing, thereby increasing the number of pixels in the enlarged area, thereby improving the quality of the enlarged area image.
  • an embodiment of the second aspect of the present application provides an image zoom processing apparatus, including: a determining module, configured to detect a zoom operation of a raw preview image acquired by a user at an initial position of a terminal device, determine a zoom factor, and zoom in.
  • a first acquiring module configured to trigger the MEMS to move the image sensor to one or more reference positions according to a preset moving distance corresponding to the zoom factor, and respectively obtain corresponding ones at the reference position a reference image
  • a second acquiring module configured to superimpose a reference pixel corresponding to the enlarged area in the reference preview image, and an original pixel corresponding to the enlarged area in the original preview image, to acquire a composite pixel corresponding to the enlarged area
  • a processing module configured to perform zoom zoom processing on the synthesized pixel according to the size of the original preview image.
  • the image zoom processing apparatus of the embodiment of the present application first detects a zoom operation of the original preview image acquired by the user on the initial position of the terminal device, determines a zoom magnification and an enlarged area, and then triggers the MEMS to move according to a preset zoom ratio.
  • Distance moving the image sensor to one or more reference positions respectively, and respectively obtaining a corresponding reference preview image at the reference position, and then referring to the reference pixel corresponding to the enlarged area in the reference preview image and the enlarged area corresponding to the original preview image
  • the original pixels are superimposed, the synthesized pixels corresponding to the enlarged area are acquired, and finally the synthesized pixels are subjected to zoom amplification processing according to the size of the original preview image.
  • the micro-electromechanical system controls the image sensor to accurately move quickly to perform zoom amplification processing, thereby increasing the number of pixels in the enlarged area, thereby improving the quality of the enlarged area image.
  • a third aspect of the present application provides a terminal device including the image zoom processing device as described above.
  • the terminal device in the embodiment of the present application first detects a zoom operation of the original preview image acquired by the user on the initial position of the terminal device, determines a zoom magnification and an enlarged area, and then triggers the MEMS to move the distance corresponding to the zoom multiple according to a preset.
  • the pixels are superimposed, the synthesized pixels corresponding to the enlarged area are acquired, and finally the synthesized pixels are subjected to zoom enlargement processing according to the size of the original preview image.
  • the micro-electromechanical system controls the image sensor to accurately move quickly to perform zoom amplification processing, thereby increasing the number of pixels in the enlarged area, thereby improving the quality of the enlarged area image.
  • the fourth aspect of the present application provides a terminal device, including: a housing and an imaging module disposed in the housing, wherein the imaging module includes: a micro-electromechanical system, an image sensor a lens, a memory, and a processor, the MEMS controlling the movement of the image sensor, the memory for storing executable program code; the processor executing by reading executable program code stored in the memory to:
  • the triggering MEMS system moves the image sensor to one or more reference positions according to a preset moving distance corresponding to the zooming multiple, and respectively obtains a corresponding reference preview image at the reference position;
  • the synthesized pixels are subjected to zoom magnification processing in accordance with the size of the original preview image.
  • the terminal device in the embodiment of the present application first detects a zoom operation of the original preview image acquired by the user on the initial position of the terminal device, determines a zoom magnification and an enlarged area, and then triggers the MEMS to move the distance corresponding to the zoom multiple according to a preset.
  • the pixels are superimposed, the synthesized pixels corresponding to the enlarged area are acquired, and finally the synthesized pixels are subjected to zoom enlargement processing according to the size of the original preview image.
  • the micro-electromechanical system controls the image sensor to accurately move quickly to perform zoom amplification processing, thereby increasing the number of pixels in the enlarged area, thereby improving the quality of the enlarged area image.
  • a fifth aspect of the present application provides a computer program product, when an instruction processor in the computer program product is executed, performing an image zoom processing method, the method comprising:
  • the triggering MEMS system moves the image sensor to one or more reference positions according to a preset moving distance corresponding to the zooming multiple, and respectively obtains a corresponding reference preview image at the reference position;
  • the synthesized pixels are subjected to zoom magnification processing in accordance with the size of the original preview image.
  • a sixth aspect of the present application proposes a storage medium that enables a mobile device to perform an image zoom processing method when an instruction in the storage medium is executed by a processor of the mobile terminal.
  • the methods include:
  • the triggering MEMS system moves the image sensor to one or more reference positions according to a preset moving distance corresponding to the zooming multiple, and respectively obtains a corresponding reference preview image at the reference position;
  • the synthesized pixels are subjected to zoom magnification processing in accordance with the size of the original preview image.
  • FIG. 1 is a schematic flow chart of an image zoom processing method according to an embodiment of the present application.
  • FIG. 2 is a schematic flow chart of a MEMS system according to an embodiment of the present application.
  • Figure 3 is a schematic illustration of a reference position of an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a reference position of another embodiment of the present application.
  • FIG. 5 is a schematic flow chart of a panoramic photographing method according to another embodiment of the present application.
  • FIG. 6 is a schematic diagram of pixel synthesis according to an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a panoramic photographing apparatus according to an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a panoramic photographing apparatus according to another embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a panoramic photographing apparatus according to another embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a terminal device according to another embodiment of the present application.
  • FIG. 1 is a schematic flow chart of an image zoom processing method according to an embodiment of the present application.
  • the image zoom processing method includes:
  • Step 101 Detect a zoom operation of the original preview image acquired by the user on the initial position of the terminal device, and determine a zoom magnification and an enlargement area.
  • the image zoom processing method provided in this embodiment is configured in a terminal device having an imaging function as an example for specific description. It should be noted that there are many types of terminal devices, which can be selected according to application needs, such as mobile phones, tablet computers, and the like.
  • the zoom function on the terminal device can be used to perform zooming.
  • MEMS Micro-Electro-Mechanical System
  • the embodiment of the present application proposes a micro-electromechanical system to control the image sensor to accurately move quickly to perform zoom amplification processing, thereby improving the number of photographing pixels and improving The quality of the captured image.
  • FIG. 2 The specific structure is specifically described in conjunction with FIG. 2 as follows:
  • MEMS also known as microelectromechanical systems, microsystems, micromachines, etc.
  • MEMS are developed on the basis of microelectronics technology (semiconductor manufacturing technology), combining lithography, etching, thin film, LIGA, silicon micromachining.
  • High-tech electromechanical devices made by non-silicon micromachining and precision machining.
  • MEMS 12 is coupled to image sensor 14, which includes fixed electrode 122, movable electrode 124, and deformable connector 126.
  • the movable electrode 124 is mated with the fixed electrode 122.
  • the connecting member 126 is fixedly connected to the fixed electrode 122 and the movable electrode 124.
  • the fixed electrode 122 and the movable electrode 124 are used to generate an electrostatic force under the action of a driving voltage.
  • the connecting member 126 is configured to deform in the direction in which the movable electrode 124 moves under the action of the electrostatic force to allow the movable electrode 124 to move to drive the image sensor 14 to move up and down, left and right in a plane to perform precise and fine movement.
  • the corresponding MEMS control image sensor is set to move in different directions.
  • the step size of the MEMS control image sensor moving each time, etc. may be calibrated by the system according to a large amount of experimental data, or may be set by the user according to requirements.
  • An example is as follows:
  • a first MEMS system is coupled to the first image sensor to control lateral movement of the first image sensor; a second MEMS system is coupled to the second image sensor to control lateral movement of the second image sensor.
  • the zoom operation of the original preview image acquired by the user at the initial position of the terminal device is detected, and the zoom magnification and the zoom-in area are determined.
  • the user performs a zoom touch operation on the interface of the original preview image.
  • the user can slide the interface of the original preview image by two fingers to determine that the zoom magnification is 2 times and the zoomed area is the upper left corner.
  • the user performs a touch operation on the preset zoom control button.
  • a zoom control button can be set in the terminal device, when the button is pressed by different forces, ie Different zoom magnifications and magnification areas can be determined; or, when the keys are rotated at different angles, different zoom magnifications and magnification areas can be determined. For example, if the button is rotated 5 degrees to the left, the zoom factor can be determined to be 2 times and the zoomed area is the upper left corner.
  • Step 102 Trigger the MEMS to move the image sensor to one or more reference positions according to a preset moving distance corresponding to the zoom magnification, and respectively obtain corresponding reference preview images at the reference position.
  • the moving distance of the MEMS corresponding to the zoom factor is preset, and after the zoom distance is determined, and the moving distance of the corresponding MEMS is obtained, the MEMS system is triggered to move the image sensor according to the moving distance from the initial position. Move to a reference position, or multiple reference positions, and obtain corresponding reference preview images respectively at the reference position.
  • the moving distance of the MEMS corresponding to the zoom factor is set in advance according to an actual application.
  • the following examples illustrate:
  • Example 1 A mapping table of zoom ratios and moving distances set in advance is queried to obtain a moving distance corresponding to the current zoom factor.
  • detecting a zoom operation of the original preview image acquired by the user on the initial position of the terminal device determining that the current zoom magnification is 2 times, and further obtaining a mapping ratio of the zoom magnification and the moving distance to obtain a current zoom factor of 2 times.
  • the moving distance of the MEMS is half a pixel distance.
  • Example 2 By setting the calculation relationship between the zoom factor and the moving distance in advance, after the zoom is triggered, the current zoom factor is calculated according to the preset operation relationship to determine the moving distance.
  • the MEMS movement distance is one pixel distance.
  • the triggering MEMS system moves the image sensor from the initial position to a reference position or a plurality of reference positions according to the respective moving distances, and respectively acquire corresponding reference preview images at the reference position.
  • FIG. 3 and FIG. 4 The following is illustrated in conjunction with FIG. 3 and FIG. 4:
  • the triggering MEMS system moves the image sensor from the initial position to the right to the first reference position according to a preset moving distance corresponding to the zoom factor, and acquires the first reference preview image. As shown in the area A in Figure 3. and / or
  • the triggering MEMS system moves the image sensor from the initial position to the left to the second reference position according to a preset moving distance corresponding to the zoom factor, and acquires a second reference preview image. As shown in the B area in Figure 3. and / or
  • the triggering MEMS system moves the image sensor from the initial position to the third reference position according to a preset moving distance corresponding to the zoom factor, and acquires a third reference preview image. As shown in the C area of Figure 3. and / or
  • the triggering MEMS system moves the image sensor from the initial position to the fourth reference position according to a preset moving distance corresponding to the zoom factor to obtain a fourth reference preview image. As shown in the D area of Figure 3.
  • the number of pixels that can be increased according to specific needs may be such that the MEMS control image sensor moves by one reference position or multiple reference positions, and may only move one reference position to the right. It is also possible to move left, right, and upward to obtain three reference positions.
  • the setting can be made according to the specific situation.
  • the triggering MEMS system moves the image sensor from the initial position to the first reference position according to a preset moving distance corresponding to the zoom factor to obtain a first reference preview image. As shown in the area A in Figure 4.
  • the triggering microelectromechanical system moves the image sensor from the first reference position to the second direction to the second reference position according to the moving distance, and acquires a second reference preview image. As shown in the B area of Figure 4.
  • the triggering MEMS system moves the image sensor from the second reference position to the third reference position according to the moving distance to obtain a third reference preview image. As shown in the C area of Figure 4.
  • the number of pixels can be increased according to specific needs to enable the MEMS control image sensor to move a reference position or multiple reference positions, and two reference positions can be obtained to the left and then to the right. Left, then to the right, then to the left to get three reference positions and so on.
  • the setting can be made according to the specific situation.
  • Step 103 Superimpose 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, and acquire the synthesized pixels corresponding to the enlarged area.
  • Step 104 Perform zoom zoom processing on the synthesized pixels according to the size of the original preview image.
  • 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 superimposed to obtain a synthesized pixel corresponding to the enlarged area, and finally the synthesized pixel is obtained.
  • Zoom magnification processing is performed according to the size of the original preview image. Thereby, the number of pixels in the enlarged area is increased, thereby improving the quality of the enlarged area image.
  • the image zoom processing method first detects a zoom operation of the original preview image acquired by the user on the initial position of the terminal device, determines a zoom magnification and an enlarged area, and then triggers the MEMS to correspond to the preset zoom ratio. Moving the distance, moving the image sensor to one or more reference positions respectively, and respectively obtaining a corresponding reference preview image at the reference position, and then referring to the reference pixel corresponding to the enlarged area in the preview image, and the original preview image and the enlarged area The corresponding original pixels are superimposed, the synthesized pixels corresponding to the enlarged area are acquired, and finally, the synthesized pixels are subjected to zoom enlargement processing according to the size of the original preview image.
  • the micro-electromechanical system controls the image sensor to accurately move quickly to perform zoom amplification processing, thereby increasing the number of pixels in the enlarged area, thereby improving the quality of the enlarged area image.
  • FIG. 5 is a schematic flow chart of an image zoom processing method according to another embodiment of the present application. As shown in Figure 5:
  • Step 501 Acquire a horizontal resolution and a vertical resolution of the image sensor.
  • Step 502 Set a correspondence relationship between the zoom magnification and the moving distance according to the horizontal resolution and the vertical resolution.
  • the resolution of the resolution W and the vertical resolution H is X, so that the correspondence between X and Y can be determined.
  • Step 503 detecting a zoom operation of the original preview image acquired by the user on the initial position of the terminal device, determining a zoom magnification and an enlargement area.
  • the zoom operation of the original preview image acquired by the user at the initial position of the terminal device is detected, and the zoom magnification and the zoom-in area are determined.
  • the moving distance is determined according to the correspondence relationship between the zoom magnification and the moving distance.
  • Step 504 Trigger the MEMS to move the image sensor from the initial position to the first reference position to obtain the first reference preview image according to the preset moving distance corresponding to the zoom factor.
  • Step 505 Trigger the MEMS to move the image sensor from the first reference position to the second reference position according to the moving distance to obtain a second reference preview image.
  • Step 506 Trigger the MEMS to move the image sensor from the second reference position to the third reference position according to the moving distance to obtain a third reference preview image.
  • the triggering MEMS system moves the image sensor from the initial position to the first reference position according to the moving distance, and then the image sensor is removed according to the moving distance. Moving the first reference position to the second reference position, acquiring the second reference preview image, and then moving the image sensor from the second reference position to the third reference position according to the moving distance to obtain the third reference preview image.
  • the specific implementation process is as shown in the example of FIG. 4 above.
  • Step 507 Superimpose the reference pixels corresponding to the enlarged area in the preview image and the original pixels corresponding to the enlarged area in the original preview image, and acquire the synthesized pixels corresponding to the enlarged area.
  • Step 508 Perform zoom zoom processing on the synthesized pixels according to the size of the original preview image.
  • the reference pixels corresponding to the enlarged area in the three reference preview images are superimposed with the original pixels corresponding to the enlarged area in the original preview image, as shown in the figure. 6 is shown on the left, whereby the images are combined together, the pixel density is increased, and the position to be zoomed is taken out to obtain the synthesized pixels corresponding to the enlarged area. Finally, the synthesized pixels are subjected to zoom magnification processing in accordance with the size of the original preview image.
  • the image zoom processing method of the embodiment of the present application first detects a zoom operation of the original preview image acquired by the user on the initial position of the terminal device, determines a zoom magnification and an enlargement region, and then triggers the MEMS to move according to a preset zoom ratio corresponding to the zoom factor.
  • Distance moving the image sensor to one or more reference positions respectively, and respectively obtaining a corresponding reference preview image at the reference position, and then referring to the reference pixel corresponding to the enlarged area in the reference preview image and the enlarged area corresponding to the original preview image
  • the original pixels are superimposed, the synthesized pixels corresponding to the enlarged area are acquired, and finally the synthesized pixels are subjected to zoom amplification processing according to the size of the original preview image.
  • the sensor moves accurately and accurately for zooming and zooming, which increases the number of photographed pixels, thereby improving the quality of the captured image.
  • 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.
  • 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 of the original preview image acquired by the user on the initial position of the terminal device, and determine a zoom magnification and an enlarged area.
  • the determining module 10 is specifically configured to: determine a zoom factor and an enlarged area according to a zoom touch operation performed by the user on an interface of the original preview image. Or, the zoom magnification and the enlargement area are determined according to a touch operation performed by the user on the preset zoom control button.
  • the first obtaining module 20 is configured to trigger the MEMS to move the image sensor to one or more reference positions according to a preset moving distance corresponding to the zoom factor, and respectively obtain corresponding reference preview images at the reference position.
  • the first obtaining module 20 is specifically configured to:
  • the triggering MEMS system moves the image sensor from the initial position to the right to the first reference position according to a preset moving distance corresponding to the zoom factor, and acquires a first reference preview image. and / or,
  • the triggering MEMS system moves the image sensor from the initial position to the left to the second reference position according to a preset moving distance corresponding to the zoom factor, and acquires a second reference preview image. and / or,
  • the triggering MEMS system moves the image sensor from the initial position to the third reference position according to a preset moving distance corresponding to the zoom factor, and acquires a third reference preview image. and / or,
  • the triggering MEMS system moves the image sensor from the initial position to the fourth reference position according to a preset moving distance corresponding to the zoom factor, and acquires a fourth reference preview image.
  • the first obtaining module 20 is specifically configured to:
  • the triggering MEMS system moves the image sensor from the initial position to the first reference position according to a preset moving distance corresponding to the zoom factor to obtain a first reference preview image.
  • the triggering MEMS system moves the image sensor from the first reference position to the second reference position according to the moving distance to obtain a second reference preview image.
  • the triggering MEMS system moves the image sensor from the second reference position to the third reference position according to the moving distance to obtain a third reference preview image.
  • the second obtaining module 30 is configured to superimpose 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, and acquire the synthesized pixels corresponding to the enlarged area.
  • the processing module 40 is configured to perform zoom zoom processing on the synthesized pixels according to the size of the original preview image.
  • the image zoom processing apparatus first detects a zoom operation of the original preview image acquired by the user on the initial position of the terminal device, determines a zoom magnification and an enlargement area, and then triggers the MEMS to correspond to the preset zoom ratio. Moving the distance, moving the image sensor to one or more reference positions respectively, and respectively obtaining a corresponding reference preview image at the reference position, and then referring to the reference pixel corresponding to the enlarged area in the preview image, and the original preview image and the enlarged area The corresponding original pixels are superimposed, the synthesized pixels corresponding to the enlarged area are acquired, and finally, the synthesized pixels are subjected to zoom enlargement processing according to the size of the original preview image.
  • the micro-electromechanical system controls the image sensor to accurately move quickly to perform zoom amplification processing, thereby increasing the number of pixels in the enlarged area, thereby improving the quality of the enlarged area image.
  • FIG. 8 is a schematic structural diagram of an image zoom processing apparatus according to another embodiment of the present application.
  • the method further includes:
  • the third obtaining module 50 is configured to acquire a horizontal resolution and a vertical resolution of the image sensor.
  • the setting module 60 is configured to set a correspondence relationship between the zoom magnification and the moving distance according to the horizontal resolution and the vertical resolution.
  • the resolution of the resolution W and the vertical resolution H is X, so that the correspondence between X and Y can be determined.
  • the image zoom processing apparatus of the embodiment of the present application first detects a zoom operation of the original preview image acquired by the user on the initial position of the terminal device, determines a zoom magnification and an enlarged area, and then triggers the MEMS to move according to a preset zoom ratio.
  • Distance moving the image sensor to one or more reference positions respectively, and respectively obtaining a corresponding reference preview image at the reference position, and then referring to the reference pixel corresponding to the enlarged area in the reference preview image and the enlarged area corresponding to the original preview image
  • the original pixels are superimposed, the synthesized pixels corresponding to the enlarged area are acquired, and finally the synthesized pixels are subjected to zoom amplification processing according to the size of the original preview image.
  • the micro-electromechanical system controls the image sensor to accurately move quickly to perform zoom amplification processing, thereby increasing the number of pixels in the enlarged area, thereby improving the quality of the enlarged area image.
  • FIG. 9 is a schematic structural diagram of a terminal device according to an embodiment of the present application.
  • the terminal device 1 includes an image zoom processing device 2, wherein the image zoom processing device 2 can employ the image zoom processing device provided by the above-described embodiment shown in FIG. 7 or FIG.
  • the terminal device 1 includes: a mobile phone or a tablet computer.
  • the terminal device in the embodiment of the present application first detects a zoom operation of the original preview image acquired by the user on the initial position of the terminal device, determines a zoom magnification and an enlarged area, and then triggers the MEMS to move the distance corresponding to the zoom multiple according to a preset.
  • the pixels are superimposed, the synthesized pixels corresponding to the enlarged area are acquired, and finally the synthesized pixels are subjected to zoom enlargement processing according to the size of the original preview image.
  • the micro-electromechanical system controls the image sensor to accurately move quickly to perform zoom amplification processing, thereby increasing the number of pixels in the enlarged area, thereby improving the quality of the enlarged area image.
  • FIG. 10 is a schematic structural diagram of a terminal device according to an embodiment of the present application.
  • the terminal device may include: a housing 101, and an imaging module 102 disposed in the housing 101.
  • the imaging module 102 includes: a micro-electromechanical system 1021, an image sensor 1022, a memory 1023, and a processor 1024, and a micro-electromechanical system.
  • 1021 controls image sensor 1022 to move
  • memory 1023 is for storing executable program code
  • processor 1024 performs by reading executable program code stored in memory 1023 to:
  • a zoom operation of the original preview image acquired by the user at the initial position of the terminal device is detected, and the zoom magnification and the enlargement area are determined.
  • the triggering MEMS system moves the image sensor to one or more reference positions according to a preset moving distance corresponding to the zoom magnification, and respectively obtains a corresponding reference preview image at the reference position.
  • the reference pixels corresponding to the enlarged area in the preview image and the original pixels corresponding to the enlarged area in the original preview image are superimposed to obtain a synthesized pixel corresponding to the enlarged area.
  • the synthesized pixels are subjected to zoom magnification processing in accordance with the size of the original preview image.
  • the terminal device in the embodiment of the present application first detects a zoom operation of the original preview image acquired by the user on the initial position of the terminal device, determines a zoom magnification and an enlarged area, and then triggers the MEMS to move the distance corresponding to the zoom multiple according to a preset.
  • the pixels are superimposed, the synthesized pixels corresponding to the enlarged area are acquired, and finally the synthesized pixels are subjected to zoom enlargement processing according to the size of the original preview image.
  • the micro-electromechanical system controls the image sensor to accurately move quickly to perform zoom amplification processing, thereby increasing the number of pixels in the enlarged area, thereby improving the enlarged area image. the quality of.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include at least one of the features, either explicitly or implicitly.
  • the meaning of "a plurality” is at least two, such as two, three, etc., unless specifically defined otherwise.
  • portions of the application can be implemented in hardware, software, firmware, or a combination thereof.
  • multiple steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system.
  • a suitable instruction execution system For example, if implemented in hardware, as in another embodiment, it can be implemented by any one or combination of the following techniques well known in the art: having logic gates for implementing logic functions on data signals. Discrete logic circuits, application specific integrated circuits with suitable combinational logic gates, programmable gate arrays (PGAs), field programmable gate arrays (FPGAs), etc.
  • each functional unit in each embodiment of the present application may be integrated into one agent module, or each unit may exist physically separately, or two or more units may be integrated into one module.
  • the above integrated modules can be implemented in the form of hardware or in the form of software functional modules.
  • the integrated modules, if implemented in the form of software functional modules and sold or used as stand-alone products, may also be stored in a computer readable storage medium.
  • the above mentioned storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

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Abstract

本申请提出一种图像变焦处理方法、装置及终端设备，其中，该方法包括：检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域；触发微机电系统按照预设的与变焦倍数对应的移动距离，将图像传感器分别移动到多个方向对应的参考位置，并在多个参考位置分别获取对应的参考预览图像；将参考预览图像中与放大区域对应的参考像素，以及原始预览图像中与放大区域对应的原始像素进行叠加，获取与放大区域对应的合成像素；将合成像素按照原始预览图像的尺寸进行变焦放大处理。由此，通过微机电系统控制图像传感器精确快速移动以进行变焦放大处理，提高了放大区域像素点数量，进而提升了放大区域图像的质量。

Description

图像变焦处理方法、装置及终端设备
相关申请的交叉引用
本申请要求广东欧珀移动通信有限公司于2016年7月29日提交的、申请名称为“图像变焦处理方法、装置及终端设备”的、中国专利申请号“201610615460.4”的优先权。
技术领域
本申请涉及通信技术领域，尤其涉及一种图像变焦处理方法、装置及终端设备。
背景技术
通常，终端设备的拍摄功能的一个重要指标是图像的清晰度。用户可以根据自己需要采用数码变焦的方式来拍摄图像。然而，这种通过对像素进行裁剪以达到变焦的目的，会造成图片质量下降。
发明内容
本申请旨在至少在一定程度上解决相关技术中的技术问题之一。
为此，本申请的第一个目的在于提出一种图像变焦处理方法，该方法通过微机电系统控制图像传感器精确快速移动以进行变焦放大处理，提高了放大区域像素点数量，进而提升了放大区域图像的质量。
本申请的第二个目的在于提出一种图像变焦处理装置。
本申请的第三个目的在于提出一种终端设备。
本申请的第四个目的在于提出另一种终端设备。
为达上述目的，本申请第一方面实施例提出了一种图像变焦处理方法，包括：检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域；触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器分别移动到一个或多个参考位置，并在所述参考位置分别获取对应的参考预览图像；将所述参考预览图像中与所述放大区域对应的参考像素，以及所述原始预览图像中与所述放大区域对应的原始像素进行叠加，获取与所述放大区域对应的合成像素；将所述合成像素按照所述原始预览图像的尺寸进行变焦放大处理。
本申请实施例的图像变焦处理方法，首先检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域，接着触发微机电系统按照预设的与变焦 倍数对应的移动距离，将图像传感器分别移动到一个或多个参考位置，并在参考位置分别获取对应的参考预览图像，然后将参考预览图像中与放大区域对应的参考像素，以及原始预览图像中与放大区域对应的原始像素进行叠加，获取与放大区域对应的合成像素，最后将合成像素按照原始预览图像的尺寸进行变焦放大处理。由此，通过微机电系统控制图像传感器精确快速移动以进行变焦放大处理，提高了放大区域像素点数量，进而提升了放大区域图像的质量。
为达上述目的，本申请第二方面实施例提出了一种图像变焦处理装置，包括：确定模块，用于检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域；第一获取模块，用于触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器分别移动到一个或多个参考位置，并在所述参考位置分别获取对应的参考预览图像；第二获取模块，用于将所述参考预览图像中与所述放大区域对应的参考像素，以及所述原始预览图像中与所述放大区域对应的原始像素进行叠加，获取与所述放大区域对应的合成像素；处理模块，用于将所述合成像素按照所述原始预览图像的尺寸进行变焦放大处理。
本申请实施例的图像变焦处理装置，首先检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域，接着触发微机电系统按照预设的与变焦倍数对应的移动距离，将图像传感器分别移动到一个或多个参考位置，并在参考位置分别获取对应的参考预览图像，然后将参考预览图像中与放大区域对应的参考像素，以及原始预览图像中与放大区域对应的原始像素进行叠加，获取与放大区域对应的合成像素，最后将合成像素按照原始预览图像的尺寸进行变焦放大处理。由此，通过微机电系统控制图像传感器精确快速移动以进行变焦放大处理，提高了放大区域像素点数量，进而提升了放大区域图像的质量。
为达上述目的，本申请第三方面实施例提出了一种终端设备，包括：如上所述的图像变焦处理装置。
本申请实施例的终端设备，首先检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域，接着触发微机电系统按照预设的与变焦倍数对应的移动距离，将图像传感器分别移动到一个或多个参考位置，并在参考位置分别获取对应的参考预览图像，然后将参考预览图像中与放大区域对应的参考像素，以及原始预览图像中与放大区域对应的原始像素进行叠加，获取与放大区域对应的合成像素，最后将合成像素按照原始预览图像的尺寸进行变焦放大处理。由此，通过微机电系统控制图像传感器精确快速移动以进行变焦放大处理，提高了放大区域像素点数量，进而提升了放大区域图像的质量。
为达上述目的，本申请第四方面实施例提出了一种终端设备，包括：壳体和设置在所述壳体内的成像模组，其中，所述成像模组包括：微机电系统、图像传感器、镜头、存储器和处理器，所述微机电系统控制所述图像传感器移动，存储器用于存储可执行程序代码；处理器通过读取存储器中存储的可执行程序代码以执行：
检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域；
触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器分别移动到一个或多个参考位置，并在所述参考位置分别获取对应的参考预览图像；
将所述参考预览图像中与所述放大区域对应的参考像素，以及所述原始预览图像中与所述放大区域对应的原始像素进行叠加，获取与所述放大区域对应的合成像素；
将所述合成像素按照所述原始预览图像的尺寸进行变焦放大处理。
本申请实施例的终端设备，首先检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域，接着触发微机电系统按照预设的与变焦倍数对应的移动距离，将图像传感器分别移动到一个或多个参考位置，并在参考位置分别获取对应的参考预览图像，然后将参考预览图像中与放大区域对应的参考像素，以及原始预览图像中与放大区域对应的原始像素进行叠加，获取与放大区域对应的合成像素，最后将合成像素按照原始预览图像的尺寸进行变焦放大处理。由此，通过微机电系统控制图像传感器精确快速移动以进行变焦放大处理，提高了放大区域像素点数量，进而提升了放大区域图像的质量。
为达上述目的，本申请第五方面实施例提出了一种计算机程序产品，当所述计算机程序产品中的指令处理器执行时，执行一种图像变焦处理方法，所述方法包括：
检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域；
触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器分别移动到一个或多个参考位置，并在所述参考位置分别获取对应的参考预览图像；
将所述参考预览图像中与所述放大区域对应的参考像素，以及所述原始预览图像中与所述放大区域对应的原始像素进行叠加，获取与所述放大区域对应的合成像素；
将所述合成像素按照所述原始预览图像的尺寸进行变焦放大处理。
为达上述目的，本申请第六方面实施例提出了一种存储介质，当所述存储介质中的指令由移动终端的处理器被执行时，使得移动设备能够执行一种图像变焦处理方法，所述方法包括：
检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放 大区域；
触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器分别移动到一个或多个参考位置，并在所述参考位置分别获取对应的参考预览图像；
将所述参考预览图像中与所述放大区域对应的参考像素，以及所述原始预览图像中与所述放大区域对应的原始像素进行叠加，获取与所述放大区域对应的合成像素；
将所述合成像素按照所述原始预览图像的尺寸进行变焦放大处理。
本申请附加的方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本申请的实践了解到。
附图说明
本申请上述的和/或附加的方面和优点从下面结合附图对实施例的描述中将变得明显和容易理解，其中：
图1是本申请一个实施例的图像变焦处理方法的流程示意图；
图2是本申请一个实施例的微机电系统的流程示意图；
图3是本申请一个实施例的参考位置的示意图；
图4是本申请另一个实施例的参考位置的示意图；
图5是本申请另一个实施例的全景拍摄方法的流程示意图；
图6是本申请一个实施例的像素合成的示意图；
图7是本申请一个实施例的全景拍摄装置的结构示意图；
图8是本申请另一个实施例的全景拍摄装置的结构示意图；
图9是本申请另一个实施例的全景拍摄装置的结构示意图；以及
图10是本申请另一个实施例的终端设备的结构示意图。
具体实施方式
下面详细描述本申请的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本申请，而不能理解为对本申请的限制。
下面参考附图描述本申请实施例的图像变焦处理方法、装置及终端设备。
图1是本申请一个实施例的图像变焦处理方法的流程示意图。
如图1所示，该图像变焦处理方法包括：
步骤101，检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域。
具体地，本实施例提供的图像变焦处理方法被配置在具有摄像功能的终端设备中为例进行具体说明。需要注意的是，终端设备的类型很多，可以根据应用需要进行选择，例如：手机、平板电脑等。
具体来说，在拍照的过程中，为了用户实际应用需求，可以采用终端设备上的变焦功能以进行变焦。本申请实施例结合微机电系统(Micro-Electro-Mechanical System，简称MEMS)的特点，提出一种利用微机电系统控制图像传感器精确快速移动以进行变焦放大处理，提高了拍照像素点数量，进而提升了拍摄图像的质量。具体结构结合图2具体说明如下：
其中，微机电系统，也叫做微电子机械系统、微系统、微机械等，是在微电子技术(半导体制造技术)基础上发展起来的，融合了光刻、腐蚀、薄膜、LIGA、硅微加工、非硅微加工和精密机械加工等技术制作的高科技电子机械器件。
如图2所示，微机电系统12与图像传感器14连接，微机电系统12包括固定电极122、活动电极124及可形变连接件126。活动电极124与固定电极122配合。连接件126固定连接固定电极122及活动电极124。固定电极122及活动电极124用于在驱动电压的作用下产生静电力。连接件126用于在静电力的作用下沿活动电极124移动的方向形变以允许活动电极124移动从而带动图像传感器14在一个平面内上下、左右进行精确、细微的移动。
其中，需要说明的是，根据具体应用需求的不同，设置相应的MEMS控制图像传感器向不同的方向移动。其中，上述MEMS控制图像传感器每次移动的步长等，可由系统根据大量实验数据进行标定，也可由用户根据需求自行设置等。举例说明如下：
设置第一微机电系统与第一图像传感器连接以控制第一图像传感器横向移动；设置第二微机电系统与第二图像传感器连接以控制第二图像传感器横向移动。
具体的，在拍摄过程中，用户触发变焦操作进行变焦功能时，检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域。
其中，用户对终端设备在初始位置获取的原始预览图像的变焦操作的方式有很多种，可以根据实际需要进行选择，举例说明如下：
示例一：
用户对原始预览图像的界面进行的变焦触控操作。
举例来说，在拍摄过程中，用户可以通过双手指对原始预览图像的界面分别向外滑动操作，确定变焦倍数为2倍和放大区域为左上角。
示例二：
用户对预设的变焦控制按键进行的触控操作。
举例来说，可以在终端设备中设置变焦控制按键，当该按键被不同的力量按压时，即 可确定不同的变焦倍数和放大区域；或者，当该按键被旋转不同角度时，可以确定不同的变焦倍数和放大区域。例如按键向左旋转5度，可确定变焦倍数2倍和放大区域为左上角。
步骤102，触发微机电系统按照预设的与变焦倍数对应的移动距离，将图像传感器分别移动到一个或多个参考位置，并在参考位置分别获取对应的参考预览图像。
具体地，预先设置与变焦倍数对应的微机电系统的移动距离，并根据确定变焦倍数，查询得到相对应的微机电系统的移动距离后，触发微机电系统将图像传感器根据分别移动距离从初始位置移动到一个参考位置，或者多个参考位置，并在参考位置分别获取对应的参考预览图像。
其中，预先设置与变焦倍数对应的微机电系统的移动距离可以根据实际应用进行设置。下面举例说明：
示例一，查询预先设置的变焦倍数和移动距离的映射关系表，获得与当前变焦倍数对应的移动距离。
举例而言，检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定当前变焦倍数为2倍，进而通过查询变焦倍数和移动距离的映射关系表，获得当前变焦倍数2倍对应的微机电系统的移动距离为半个像素的距离。
示例二，通过预先设置好变焦倍数与移动距离的运算关系，在触发变焦后，根据预设的运算关系对当前变焦倍数进行计算确定移动距离。
举例而言，检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定当前变焦倍数为4倍，进而通过预先设置好变焦倍数与移动距离的运算关系，获得当前变焦倍数4倍对应的微机电系统的移动距离为一个像素的距离。
进而，在确定了移动距离以后，触发微机电系统将图像传感器根据分别移动距离从初始位置移动到一个参考位置，或者多个参考位置，并在参考位置分别获取对应的参考预览图像。结合图3和图4举例说明如下：
示例一：
触发微机电系统按照预设的与变焦倍数对应的移动距离，将图像传感器从初始位置向右移动到第一参考位置，获取第一参考预览图像。如图3中A区域所示。和/或
触发微机电系统按照预设的与变焦倍数对应的移动距离，将图像传感器从初始位置向左移动到第二参考位置，获取第二参考预览图像。如图3中B区域所示。和/或
触发微机电系统按照预设的与变焦倍数对应的移动距离，将图像传感器从初始位置向上移动到第三参考位置，获取第三参考预览图像。如图3中C区域所示。和/或
触发微机电系统按照预设的与变焦倍数对应的移动距离，将图像传感器从初始位置向下移动到第四参考位置，获取第四参考预览图像。如图3中D区域所示。
需要说明的是，可以根据具体的需要提高的像素点数量以使微机电系统控制图像传感器移动一个参考位置或者是多个参考位置，可以是只向右移动一个参考位置。也可以是向左、向右、向上移动获得三个参考位置。可以根据具体情况，进行选择设置。
示例二：
触发微机电系统按照预设的与变焦倍数对应的移动距离，将图像传感器从初始位置向第一方向移动到第一参考位置，获取第一参考预览图像。如图4中A区域所示。
触发微机电系统按照所述移动距离，将图像传感器从第一参考位置向第二方向移动到第二参考位置，获取第二参考预览图像。如图4中B区域所示。
触发微机电系统按照移动距离，将图像传感器从第二参考位置向第三方向移动到第三参考位置，获取第三参考预览图像。如图4中C区域所示。
需要说明的是，可以根据具体的需要提高的像素点数量以使微机电系统控制图像传感器移动一个参考位置或者是多个参考位置，可以向左，接着向右获得二个参考位置，也可以向左、接着向右、再向左获得三个参考位置等等。可以根据具体情况，进行选择设置。
步骤103，将参考预览图像中与放大区域对应的参考像素，以及原始预览图像中与放大区域对应的原始像素进行叠加，获取与放大区域对应的合成像素。
步骤104，将合成像素按照原始预览图像的尺寸进行变焦放大处理。
具体地，在获取参考预览图像以后，将参考预览图像中与放大区域对应的参考像素，以及原始预览图像中与放大区域对应的原始像素进行叠加，得到放大区域对应的合成像素，最后将合成像素按照原始预览图像的尺寸进行变焦放大处理。由此，提高了放大区域像素点数量，进而提升了放大区域图像的质量。
本申请实施例提供的图像变焦处理方法，首先检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域，接着触发微机电系统按照预设的与变焦倍数对应的移动距离，将图像传感器分别移动到一个或多个参考位置，并在参考位置分别获取对应的参考预览图像，然后将参考预览图像中与放大区域对应的参考像素，以及原始预览图像中与放大区域对应的原始像素进行叠加，获取与放大区域对应的合成像素，最后将合成像素按照原始预览图像的尺寸进行变焦放大处理。由此，通过微机电系统控制图像传感器精确快速移动以进行变焦放大处理，提高了放大区域像素点数量，进而提升了放大区域图像的质量。
下面结合图5对本申请实施例的图像变焦处理方法进行进一步详细说明。
图5是本申请另一个实施例的图像变焦处理方法的流程示意图。如图5所示:
步骤501，获取图像传感器的水平分辨率以及垂直分辨率。
步骤502，根据水平分辨率以及垂直分辨率设置变焦倍数与移动距离的对应关系。
在应当理解的是，根据应用场景的不同，变焦倍数与移动距离的对应关系可以根据需要设置，例如，水平分辨率W、垂直分辨率H，可以确定像素点的移动距离Y＝W-H，在水平分辨率W、垂直分辨率H下变焦倍数为X，从而可以确定X与Y的对应关系。
步骤503，检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域。
具体的，在拍摄过程中，用户触发变焦操作进行变焦功能时，检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域。根据上述变焦倍数与移动距离的对应关系，确定移动距离。
步骤504，触发微机电系统按照预设的与变焦倍数对应的移动距离，将图像传感器从初始位置向第一方向移动到第一参考位置，获取第一参考预览图像。
步骤505，触发微机电系统按照移动距离，将图像传感器从第一参考位置向第二方向移动到第二参考位置，获取第二参考预览图像。
步骤506，触发微机电系统按照移动距离，将图像传感器从第二参考位置向第三方向移动到第三参考位置，获取第三参考预览图像。
具体地，在根据确定变焦倍数，查询得到相对应的微机电系统的移动距离后，触发微机电系统将图像传感器根据移动距离从初始位置移动到第一参考位置，接着根据移动距离将图像传感器从第一参考位置向第二方向移动到第二参考位置，获取第二参考预览图像，然后根据移动距离将图像传感器从第二参考位置向第三方向移动到第三参考位置，获取第三参考预览图像。具体实现过程如上述图4例子所示。
步骤507，将参考预览图像中与放大区域对应的参考像素，以及原始预览图像中与放大区域对应的原始像素进行叠加，获取与放大区域对应的合成像素。
步骤508，将合成像素按照原始预览图像的尺寸进行变焦放大处理。
继续以上述图4例子进行说明，在获得3个参考预览图像后，将3个参考预览图像中与放大区域对应的参考像素，和原始预览图像中与放大区域对应的原始像素进行叠加，如图6左边所示，由此，图像合成在一起，提升了像素密度，再取出要变焦的位置以获取与放大区域对应的合成像素。最后将合成像素按照原始预览图像的尺寸进行变焦放大处理。
本申请实施例的图像变焦处理方法，首先检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域，接着触发微机电系统按照预设的与变焦倍数对应的移动距离，将图像传感器分别移动到一个或多个参考位置，并在参考位置分别获取对应的参考预览图像，然后将参考预览图像中与放大区域对应的参考像素，以及原始预览图像中与放大区域对应的原始像素进行叠加，获取与放大区域对应的合成像素，最后将合成像素按照原始预览图像的尺寸进行变焦放大处理。由此，通过微机电系统控制图像 传感器精确快速移动以进行变焦放大处理，提高了拍照像素点数量，进而提升了拍摄图像的质量。
为了实现上述实施例，本申请还提出一种图像变焦处理装置。
图7是本申请一个实施例的图像变焦处理装置的结构示意图。
如图7所示，该图像变焦处理装置包括：确定模块10、第一获取模块20、第二获取模块30和处理模块40。
其中，确定模块10用于检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域。
确定模块10具体用于：根据用户对原始预览图像的界面进行的变焦触控操作确定变焦倍数和放大区域。或，根据用户对预设的变焦控制按键进行的触控操作确定变焦倍数和放大区域。
第一获取模块20用于触发微机电系统按照预设的与变焦倍数对应的移动距离，将图像传感器分别移动到一个或多个参考位置，并在参考位置分别获取对应的参考预览图像。
第一获取模块20具体用于：
触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器从所述初始位置向右移动到第一参考位置，获取第一参考预览图像。和/或，
触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器从所述初始位置向左移动到第二参考位置，获取第二参考预览图像。和/或，
触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器从所述初始位置向上移动到第三参考位置，获取第三参考预览图像。和/或，
触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器从所述初始位置向下移动到第四参考位置，获取第四参考预览图像。
另外，第一获取模块20具体用于：
触发微机电系统按照预设的与变焦倍数对应的移动距离，将图像传感器从初始位置向第一方向移动到第一参考位置，获取第一参考预览图像。
触发微机电系统按照移动距离，将图像传感器从第一参考位置向第二方向移动到第二参考位置，获取第二参考预览图像。
触发微机电系统按照移动距离，将图像传感器从第二参考位置向第三方向移动到第三参考位置，获取第三参考预览图像。
第二获取模块30用于将参考预览图像中与放大区域对应的参考像素，以及原始预览图像中与放大区域对应的原始像素进行叠加，获取与放大区域对应的合成像素。
处理模块40用于将合成像素按照原始预览图像的尺寸进行变焦放大处理。
需要说明的是，前述对图1所示图像变焦处理方法实施例的解释说明也适用于该实施例的图像变焦处理装置，此处不再赘述。
本申请实施例提供的图像变焦处理装置，首先检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域，接着触发微机电系统按照预设的与变焦倍数对应的移动距离，将图像传感器分别移动到一个或多个参考位置，并在参考位置分别获取对应的参考预览图像，然后将参考预览图像中与放大区域对应的参考像素，以及原始预览图像中与放大区域对应的原始像素进行叠加，获取与放大区域对应的合成像素，最后将合成像素按照原始预览图像的尺寸进行变焦放大处理。由此，通过微机电系统控制图像传感器精确快速移动以进行变焦放大处理，提高了放大区域像素点数量，进而提升了放大区域图像的质量。
图8为本申请另一个实施例的图像变焦处理装置的结构示意图。
如图8所示，在上述图7所示的基础上，还包括：
第三获取模块50用于获取图像传感器的水平分辨率以及垂直分辨率。
设置模块60用于根据水平分辨率以及垂直分辨率设置变焦倍数与移动距离的对应关系。
在应当理解的是，根据应用场景的不同，变焦倍数与移动距离的对应关系可以根据需要设置，例如，水平分辨率W、垂直分辨率H，可以确定像素点的移动距离Y＝W-H，在水平分辨率W、垂直分辨率H下变焦倍数为X，从而可以确定X与Y的对应关系。
需要说明的是，前述对图5所示的图像变焦处理方法实施例的解释说明也适用于该实施例的图像变焦处理装置，此处不再赘述。
本申请实施例的图像变焦处理装置，首先检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域，接着触发微机电系统按照预设的与变焦倍数对应的移动距离，将图像传感器分别移动到一个或多个参考位置，并在参考位置分别获取对应的参考预览图像，然后将参考预览图像中与放大区域对应的参考像素，以及原始预览图像中与放大区域对应的原始像素进行叠加，获取与放大区域对应的合成像素，最后将合成像素按照原始预览图像的尺寸进行变焦放大处理。由此，通过微机电系统控制图像传感器精确快速移动以进行变焦放大处理，提高了放大区域像素点数量，进而提升了放大区域图像的质量。
图9是本申请一个实施例的终端设备的结构示意图。
如图9所示，该终端设备1包括：图像变焦处理装置2，其中，图像变焦处理装置2可以采用本发明上述图7或图8所示的实施例提供的图像变焦处理装置。
其中，所述终端设备1包括：手机或平板电脑。
需要说明的是，前述对图像变焦处理方法实施例的解释说明也适用于该实施例的终端设备，其实现原理类似，此处不再赘述。
本申请实施例的终端设备，首先检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域，接着触发微机电系统按照预设的与变焦倍数对应的移动距离，将图像传感器分别移动到一个或多个参考位置，并在参考位置分别获取对应的参考预览图像，然后将参考预览图像中与放大区域对应的参考像素，以及原始预览图像中与放大区域对应的原始像素进行叠加，获取与放大区域对应的合成像素，最后将合成像素按照原始预览图像的尺寸进行变焦放大处理。由此，通过微机电系统控制图像传感器精确快速移动以进行变焦放大处理，提高了放大区域像素点数量，进而提升了放大区域图像的质量。
图10是本申请一个实施例的终端设备的结构示意图。
参见图10，终端设备可以包括：壳体101、设置在壳体101内的成像模组102，成像模组102包括：微机电系统1021、图像传感器1022、存储器1023和处理器1024，微机电系统1021控制图像传感器1022移动，存储器1023用于存储可执行程序代码；处理器1024通过读取存储器1023中存储的可执行程序代码以执行：
检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域。
触发微机电系统按照预设的与变焦倍数对应的移动距离，将图像传感器分别移动到一个或多个参考位置，并在参考位置分别获取对应的参考预览图像。
将参考预览图像中与放大区域对应的参考像素，以及原始预览图像中与放大区域对应的原始像素进行叠加，获取与放大区域对应的合成像素。
将合成像素按照原始预览图像的尺寸进行变焦放大处理。
需要说明的是，前述对图像变焦处理方法实施例的解释说明也适用于该实施例的终端设备，其实现原理类似，此处不再赘述。
本申请实施例的终端设备，首先检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域，接着触发微机电系统按照预设的与变焦倍数对应的移动距离，将图像传感器分别移动到一个或多个参考位置，并在参考位置分别获取对应的参考预览图像，然后将参考预览图像中与放大区域对应的参考像素，以及原始预览图像中与放大区域对应的原始像素进行叠加，获取与放大区域对应的合成像素，最后将合成像素按照原始预览图像的尺寸进行变焦放大处理。由此，通过微机电系统控制图像传感器精确快速移动以进行变焦放大处理，提高了放大区域像素点数量，进而提升了放大区域图像 的质量。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本申请的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。
流程图中或在此以其他方式描述的任何过程或方法描述可以被理解为，表示包括一个或更多个用于实现特定逻辑功能或过程的步骤的可执行指令的代码的模块、片段或部分，并且本申请的优选实施方式的范围包括另外的实现，其中可以不按所示出或讨论的顺序，包括根据所涉及的功能按基本同时的方式或按相反的顺序，来执行功能，这应被本申请的实施例所属技术领域的技术人员所理解。
应当理解，本申请的各部分可以用硬件、软件、固件或它们的组合来实现。在上述实施方式中，多个步骤或方法可以用存储在存储器中且由合适的指令执行系统执行的软件或固件来实现。例如，如果用硬件来实现，和在另一实施方式中一样，可用本领域公知的下列技术中的任一项或他们的组合来实现：具有用于对数据信号实现逻辑功能的逻辑门电路的离散逻辑电路，具有合适的组合逻辑门电路的专用集成电路，可编程门阵列(PGA)，现场可编程门阵列(FPGA)等。
本技术领域的普通技术人员可以理解实现上述实施例方法携带的全部或部分步骤是可以通过程序来指令相关的硬件完成，所述的程序可以存储于一种计算机可读存储介质中，该程序在执行时，包括方法实施例的步骤之一或其组合。
此外，在本申请各个实施例中的各功能单元可以集成在一个代理模块中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个模块中。上述集成的模块既可以采用硬件的形式实现，也可以采用软件功能模块的形式实现。所述集成的模块如果以软件功能模块的形式实现并作为独立的产品销售或使用时，也可以存储在一个计算机可读取存储介质中。
上述提到的存储介质可以是只读存储器，磁盘或光盘等。尽管上面已经示出和描述了 本申请的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本申请的限制，本领域的普通技术人员在本申请的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (18)

  1. 一种图像变焦处理方法，其特征在于，包括以下步骤：
    检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域；
    触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器分别移动到一个或多个参考位置，并在所述参考位置分别获取对应的参考预览图像；
    将所述参考预览图像中与所述放大区域对应的参考像素，以及所述原始预览图像中与所述放大区域对应的原始像素进行叠加，获取与所述放大区域对应的合成像素；
    将所述合成像素按照所述原始预览图像的尺寸进行变焦放大处理。
  2. 如权利要求1所述的方法，其特征在于，所述检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域，包括：
    根据用户对所述原始预览图像的界面进行的变焦触控操作确定变焦倍数和放大区域；或，
    根据用户对预设的变焦控制按键进行的触控操作确定变焦倍数和放大区域。
  3. 如权利要求1或2所述的方法，其特征在于，还包括：
    获取所述图像传感器的水平分辨率以及垂直分辨率；
    根据所述水平分辨率以及垂直分辨率设置变焦倍数与移动距离的对应关系。
  4. 如权利要求1-3任一所述的方法，其特征在于，所述触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器分别移动到多个方向对应的参考位置，并在多个所述参考位置分别获取对应的参考预览图像，包括：
    触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器从所述初始位置向右移动到第一参考位置，获取第一参考预览图像；
    和/或，
    触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器从所述初始位置向左移动到第二参考位置，获取第二参考预览图像；
    和/或，
    触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器从所述初始位置向上移动到第三参考位置，获取第三参考预览图像；
    和/或，
    触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器从所述初始位置向下移动到第四参考位置，获取第四参考预览图像。
  5. 如权利要求1-3任一所述的方法，其特征在于，所述触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器分别移动到多个方向对应的参考位置，并在多个所述参考位置分别获取对应的参考预览图像，包括：
    触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器从所述初始位置向第一方向移动到第一参考位置，获取第一参考预览图像；
    触发微机电系统按照所述移动距离，将图像传感器从所述第一参考位置向第二方向移动到第二参考位置，获取第二参考预览图像；
    触发微机电系统按照所述移动距离，将图像传感器从所述第二参考位置向第三方向移动到第三参考位置，获取第三参考预览图像。
  6. 一种图像变焦处理装置，其特征在于，包括：
    确定模块，用于检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域；
    第一获取模块，用于触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器分别移动到一个或多个参考位置，并在所述参考位置分别获取对应的参考预览图像；
    第二获取模块，用于将所述参考预览图像中与所述放大区域对应的参考像素，以及所述原始预览图像中与所述放大区域对应的原始像素进行叠加，获取与所述放大区域对应的合成像素；
    处理模块，用于将所述合成像素按照所述原始预览图像的尺寸进行变焦放大处理。
  7. 如权利要求6所述的装置，其特征在于，所述确定模块具体用于：
    根据用户对所述原始预览图像的界面进行的变焦触控操作确定变焦倍数和放大区域；或，
    根据用户对预设的变焦控制按键进行的触控操作确定变焦倍数和放大区域。
  8. 如权利要求6或7所述的装置，其特征在于，还包括：
    第三获取模块，用于获取所述图像传感器的水平分辨率以及垂直分辨率；
    设置模块，用于根据所述水平分辨率以及垂直分辨率设置变焦倍数与移动距离的对应关系。
  9. 如权利要求6-8任一所述的装置，其特征在于，所述第一获取模块具体用于：
    触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器从所述初始位置向右移动到第一参考位置，获取第一参考预览图像；
    和/或，
    触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器从所述初 始位置向左移动到第二参考位置，获取第二参考预览图像；
    和/或，
    触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器从所述初始位置向上移动到第三参考位置，获取第三参考预览图像；
    和/或，
    触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器从所述初始位置向下移动到第四参考位置，获取第四参考预览图像。
  10. 如权利要求6-8任一所述的装置，其特征在于，所述第一获取模块具体用于：
    触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器从所述初始位置向第一方向移动到第一参考位置，获取第一参考预览图像；
    触发微机电系统按照所述移动距离，将图像传感器从所述第一参考位置向第二方向移动到第二参考位置，获取第二参考预览图像；
    触发微机电系统按照所述移动距离，将图像传感器从所述第二参考位置向第三方向移动到第三参考位置，获取第三参考预览图像。
  11. 一种终端设备，其特征在于，包括：如权利要求6-10任一所述的图像变焦处理装置。
  12. 一种终端设备，其特征在于，包括：壳体和设置在所述壳体内的成像模组，其中，所述成像模组包括：微机电系统、图像传感器、镜头、存储器和处理器，所述微机电系统控制所述图像传感器移动，存储器用于存储可执行程序代码；处理器通过读取存储器中存储的可执行程序代码以执行：
    检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域；
    触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器分别移动到一个或多个参考位置，并在所述参考位置分别获取对应的参考预览图像；
    将所述参考预览图像中与所述放大区域对应的参考像素，以及所述原始预览图像中与所述放大区域对应的原始像素进行叠加，获取与所述放大区域对应的合成像素；
    将所述合成像素按照所述原始预览图像的尺寸进行变焦放大处理。
  13. 根据权利要求12所述的终端设备，其特征在于，所述处理器通过读取所述存储器中存储的可执行程序代码来运行与可执行程序代码对应的程序，执行步骤检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域，包括：：
    根据用户对所述原始预览图像的界面进行的变焦触控操作确定变焦倍数和放大区域；或，
    根据用户对预设的变焦控制按键进行的触控操作确定变焦倍数和放大区域。
  14. 根据权利要求12或13所述的终端设备，其特征在于，所述处理器通过读取所述存储器中存储的可执行程序代码来运行与可执行程序代码对应的程序，还用于执行以下步骤：
    获取所述图像传感器的水平分辨率以及垂直分辨率；
    根据所述水平分辨率以及垂直分辨率设置变焦倍数与移动距离的对应关系。
  15. 根据权利要求12-14任一所述的终端设备，其特征在于，所述处理器通过读取所述存储器中存储的可执行程序代码来运行与可执行程序代码对应的程序，执行步骤触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器分别移动到多个方向对应的参考位置，并在多个所述参考位置分别获取对应的参考预览图像，包括：
    触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器从所述初始位置向右移动到第一参考位置，获取第一参考预览图像；
    和/或，
    触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器从所述初始位置向左移动到第二参考位置，获取第二参考预览图像；
    和/或，
    触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器从所述初始位置向上移动到第三参考位置，获取第三参考预览图像；
    和/或，
    触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器从所述初始位置向下移动到第四参考位置，获取第四参考预览图像。
  16. 根据权利要求12-14任一所述的终端设备，其特征在于，所述处理器通过读取所述存储器中存储的可执行程序代码来运行与可执行程序代码对应的程序，执行步骤触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器分别移动到多个方向对应的参考位置，并在多个所述参考位置分别获取对应的参考预览图像，包括：
    触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器从所述初始位置向第一方向移动到第一参考位置，获取第一参考预览图像；
    触发微机电系统按照所述移动距离，将图像传感器从所述第一参考位置向第二方向移动到第二参考位置，获取第二参考预览图像；
    触发微机电系统按照所述移动距离，将图像传感器从所述第二参考位置向第三方向移动到第三参考位置，获取第三参考预览图像。
  17. 一种计算机程序产品，其特征在于，当所述计算机程序产品中的指令处理器执行 时，执行一种图像变焦处理方法，所述方法包括：
    检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域；
    触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器分别移动到一个或多个参考位置，并在所述参考位置分别获取对应的参考预览图像；
    将所述参考预览图像中与所述放大区域对应的参考像素，以及所述原始预览图像中与所述放大区域对应的原始像素进行叠加，获取与所述放大区域对应的合成像素；
    将所述合成像素按照所述原始预览图像的尺寸进行变焦放大处理。
  18. 一种存储介质，其特征在于，当所述存储介质中的指令由移动终端的处理器被执行时，使得移动设备能够执行一种图像变焦处理方法，所述方法包括：
    检测用户对终端设备在初始位置获取的原始预览图像的变焦操作，确定变焦倍数和放大区域；
    触发微机电系统按照预设的与所述变焦倍数对应的移动距离，将图像传感器分别移动到一个或多个参考位置，并在所述参考位置分别获取对应的参考预览图像；
    将所述参考预览图像中与所述放大区域对应的参考像素，以及所述原始预览图像中与所述放大区域对应的原始像素进行叠加，获取与所述放大区域对应的合成像素；
    将所述合成像素按照所述原始预览图像的尺寸进行变焦放大处理。
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