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CN-116114243-B - Multi-camera shooting module, camera shooting system, electronic equipment and imaging method

CN116114243BCN 116114243 BCN116114243 BCN 116114243BCN-116114243-B

Abstract

A multi-camera module, a camera system, an electronic device and an imaging method are disclosed. The multi-camera shooting module comprises a first camera shooting unit, a second camera shooting unit with a zooming function and a moving mechanism, wherein the first camera shooting unit is provided with a first optical axis, the second camera shooting unit with the zooming function is provided with a second optical axis, and the moving mechanism is configured to adjust the relative position relation between the first camera shooting unit and the second camera shooting unit. In this way, the structure of the multi-shot camera module can enable the multi-shot camera module to perform optical zooming based on the distance between the multi-shot camera module and a shot target, so that when a near view and a far view are simultaneously contained in a view finding picture, the multi-shot camera module can acquire clear images of the shot target at different depths of field, and the finally synthesized images have better imaging effects.

Inventors

  • RONG QI
  • YUAN DONGLI
  • WANG QI

Assignees

  • 宁波舜宇光电信息有限公司

Dates

Publication Date
20260512
Application Date
20210615
Priority Date
20200723

Claims (20)

  1. 1. A multi-camera module, comprising: a first image pickup unit; A second camera unit with zooming function, and A movement mechanism configured to adjust a relative positional relationship between the first image capturing unit and the second image capturing unit, wherein there is at least partial overlap of imaging windows of the first image capturing unit and the second image capturing unit, wherein, The movement mechanism is configured to: Before the second image capturing unit performs optical zooming, adjusting a relative position relationship between the first image capturing unit and the second image capturing unit to enable the second image capturing unit to correspond to a position of a region to be processed for performing optical zooming, wherein the first image capturing unit is configured to obtain a first image of a subject, so that a processor which is communicatively connected to the multi-image capturing module can generate an adjustment instruction based on the region to be processed in the first image, and the moving mechanism is configured to drive the second image capturing unit to map a second image acquired by the second image capturing unit to a position, corresponding to the region to be processed, of a mapping image of the first image according to the adjustment instruction; After the second image capturing unit performs optical zooming, adjusting a relative position relationship between the first image capturing unit and the second image capturing unit, so that an imaging window of the second image capturing unit or a combined window formed by moving the imaging window completely covers the area to be processed, and obtaining at least one zoomed second image of the object to be photographed acquired by the second image capturing unit in the process of moving the second image capturing unit, wherein the processor is further configured to fuse the first image and the zoomed second image to obtain a fused image.
  2. 2. The multi-camera module of claim 1 wherein, The second optical axis of the second image pickup unit is inclined in a direction toward the first optical axis of the first image pickup unit so as to form an angle with the first optical axis.
  3. 3. The multi-camera module of claim 2 wherein, An included angle formed between the first optical axis and the second optical axis is 0.1-45 degrees.
  4. 4. The multi-camera module of claim 2 wherein, An included angle formed between the first optical axis and the second optical axis ranges from 0.1 degrees to 10 degrees.
  5. 5. The multi-camera module of claim 1 wherein, The second image pickup unit is mounted to the moving mechanism to drive the second image pickup unit by the moving mechanism to change a relative positional relationship between the first image pickup unit and the second image pickup unit.
  6. 6. The multi-camera module of claim 5 wherein, The moving mechanism comprises a shell, a carrier and a coil-magnet pair, wherein the carrier is arranged in the shell in a suspending mode and used for bearing the second camera unit, and the coil-magnet pair is arranged between the carrier and the shell and corresponds to the carrier.
  7. 7. The multi-camera module of claim 6 wherein, The moving mechanism further includes a ball mounted between the carrier and the housing such that the carrier is suspended within the housing by the ball.
  8. 8. The multi-camera module of claim 6 wherein, The moving mechanism further includes an elastic element extending between an inner sidewall of the housing and an outer sidewall of the carrier such that the carrier is suspended within the housing by the elastic element.
  9. 9. The multi-camera module of claim 1 wherein, The first angle of view of the first camera element is greater than 60 ° and the maximum second angle of view of the second camera element is less than 30 °.
  10. 10. An image pickup system, comprising: A multi-camera module according to any one of claims 1-9; And And a processor communicatively connected to the multi-camera module, wherein the processor is configured to generate the adjustment instruction based on a region to be processed in a first image of a subject acquired by the first camera unit.
  11. 11. The camera system of claim 10, wherein, The processor is further configured to fuse a first image of the subject acquired by the first imaging unit with a second image of the subject acquired by the second imaging unit to obtain a fused image.
  12. 12. An electronic device, comprising: A multi-camera module according to any one of claims 1-9.
  13. 13. An imaging method of an image pickup system, comprising: acquiring a first image of a shot target acquired by a first shooting unit and a second image of the shot target acquired by a second shooting unit; determining at least one region to be processed in the first image; generating an adjustment instruction based on a relative positional relationship between the mapping image of the second image mapped to the first image and the region to be processed; based on the adjustment instruction, driving a moving mechanism to drive the second camera unit to map the second image acquired by the second camera unit to the position of the mapping image of the first image corresponding to the region to be processed; controlling the second image pickup unit to perform optical zooming and obtain a zoomed second image of the photographed object; Generating a second adjustment instruction based on the relative position relationship between the mapped image of the zoomed second image mapped to the first image and the region to be processed; Based on the second adjustment instruction, driving a moving mechanism to drive the second camera unit so that an imaging window of the second camera unit can cover the region to be processed in an imaging window of the first camera unit, wherein in the process of moving the second camera unit, at least one zoomed second image of the photographed object acquired by the second camera unit is obtained, and And fusing the first image and the zoomed second image to obtain a fused image.
  14. 14. The imaging method as claimed in claim 13, wherein, Determining at least one region to be processed in the first image comprises determining at least one region with relatively low imaging quality in the first image as the at least one region to be processed.
  15. 15. The imaging method as claimed in claim 13, wherein, Determining at least one region to be processed in the first image, comprising: receiving a region to be processed specifying instruction, and And determining at least one area to be processed in the first image in response to the area to be processed designating instruction.
  16. 16. The imaging method as claimed in claim 13, wherein, Determining at least one region to be processed in the first image includes determining at least one region to be processed in the first image based on a default setting.
  17. 17. The imaging method as claimed in claim 13, wherein, Generating a second adjustment instruction based on a relative positional relationship between the mapped image of the zoomed second image mapped to the first image and the region to be processed, including: Determining the pixel quantity Mx and My of the region to be processed in the X direction and the Y direction set by the first image; Determining the pixel numbers Nx and Ny of the mapping image in the X direction and the Y direction set by the first image, and The second adjustment instruction is generated based on the Mx, my, nx, and Ny.
  18. 18. The imaging method as claimed in claim 17, wherein, Generating the second adjustment instruction based on the Mx, my, nx, and Ny, including: And responding to Nx > Mx and Ny > My, and generating the second adjustment instruction, wherein the adjustment instruction is used for driving the moving mechanism to drive the second camera unit, so that the center of the mapping image is aligned with the center of the area to be processed.
  19. 19. The imaging method as claimed in claim 17, wherein, Generating the second adjustment instruction based on the Mx, my, nx, and Ny, including: Determining a first integer multiple relationship between Mx and Nx in response to Mx being greater than Nx; responsive to My being greater than Ny, determining a second integer multiple relationship between My and Ny; And generating the second adjustment instruction based on the first integer multiple relation and the second integer multiple relation, wherein the second adjustment instruction is used for driving the moving mechanism to drive the second camera unit to move at least one first integer multiple time along the X direction, and driving the moving mechanism to drive the second camera unit to move at least one second integer multiple time along the Y direction.
  20. 20. The imaging method as claimed in claim 19, wherein, Obtaining at least one zoomed second image of the shot object acquired by the second shooting unit in the process of moving the second shooting unit, wherein each time of moving, the zoomed second image of the shot object acquired by the second shooting unit is obtained so as to obtain a plurality of zoomed second images; the method comprises the steps of fusing the first image and the zoomed second image to obtain a fused image, and fusing the first image and the zoomed second images to obtain the fused image.

Description

Multi-camera shooting module, camera shooting system, electronic equipment and imaging method Technical Field The present application relates to the field of camera modules, and in particular, to a multi-camera module, a camera system, an electronic device, and an imaging method. Background With the popularity of mobile electronic devices, related technologies applied to camera modules of mobile electronic devices for helping users acquire images (e.g., videos or images) have been rapidly developed and advanced. Especially with the development of smart phones, consumers are increasingly diversified in pursuit of shooting functions, and requirements on imaging quality are also higher, which provides more challenges for camera modules. In order to meet consumer demands for photographing function and imaging quality, in recent years, the camera module has undergone a change from a single camera module to a multi-camera module, for example, some manufacturers combine a wide-angle module and a telephoto module in structural configuration to form a double camera module. The double-shot camera module composed of the wide-angle module and the long-focus module synthesizes images acquired by the wide-angle module and the long-focus module, however, the long-focus module has a fixed focal length and a smaller field angle, so that the compensation of the images acquired by the wide-angle camera module is limited, and the definition of the images is difficult to improve. In order to solve the problem that the overall definition of the image is difficult to improve when the view finding picture of the image capturing module simultaneously comprises a near view and a far view, a design scheme of some image capturing modules is provided, for example, an additional module (for example, a module with moderate focal length and moderate view angle) is added on the basis of the original double-shot image capturing module, for example, an optical anti-shake structure is configured for the image capturing module to adjust the position of an optical lens relative to a photosensitive chip through the optical anti-shake structure and obtain a plurality of images, and then the images are synthesized to improve the definition. However, these solutions cannot essentially solve the above technical problems, because in the design solution of the above image capturing module, the focal length of the image capturing module is fixed, and the distance between the object and the image capturing device is changed at any time, and in the obtained multiple pictures, some parts of the object may be unclear, so that the imaging quality of the synthesized image is difficult to be improved. Therefore, a new design of module structure is needed to solve the above problem and provide better shooting experience for users. Disclosure of Invention An advantage of the present application is to provide a multi-camera module, an imaging system, an electronic device, and an imaging method, where the multi-camera module is configured so that it can perform optical zooming based on a distance between the multi-camera module and a subject, so that when a near view and a far view are simultaneously included in a viewfinder, the multi-camera module can acquire clear images of the subject at different depths of field, so that a final synthesized image has a better imaging effect. Another advantage of the present application is to provide a multi-camera module, an imaging system, an electronic device, and an imaging method, in which the multi-camera module is configured with an imaging unit having an optical zoom function, and a relative positional relationship between the imaging unit having the optical zoom function and other imaging units can be changed, so that the multi-camera module can collect clear images of a subject at different depths of field, and thus a final synthesized image has a better imaging effect. Another advantage of the present application is to provide a multi-camera module, an image capturing system, an electronic device, and an imaging method, in which a relative positional relationship between an image capturing unit with an optical zoom function and other image capturing units can be changed by a moving mechanism, so that the image capturing unit with the optical zoom function can better compensate (or otherwise process) images acquired by the other image capturing units, so that a final synthesized image has a better imaging effect. Another advantage of the present application is to provide a multi-camera module, an imaging system, an electronic device, and an imaging method, in which an optical axis set by an imaging unit with optical zoom is inclined from an optical axis set toward other imaging units, so that an imaging range of the imaging unit with optical zoom can be better aligned with a portion to be processed in an image acquired by other imaging modules, and thus the imaging unit with optical zoom can better compensate images