CN113905139A - Optical zooming method and high-speed shooting instrument - Google Patents
Optical zooming method and high-speed shooting instrument Download PDFInfo
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- H—ELECTRICITY
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- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/02409—Focusing, i.e. adjusting the focus of the scanning head
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
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Abstract
The application discloses an optical zooming method and a high-speed shooting instrument, wherein the method is applied to a controller of the high-speed shooting instrument, the high-speed shooting instrument further comprises a placing table, and the placing table is limited with an accommodating cavity; the infrared light source module is arranged in the accommodating cavity and used for emitting infrared light; the image acquisition module is used for acquiring a reference image of an acquired object on the placing table, the reference image comprises a non-bright area and/or a bright area, and the method comprises the following steps: acquiring the image size of a reference image; if the image size is smaller than a preset size threshold, determining image parameters of the acquired object according to the non-bright area of the reference image; acquiring acquisition parameters of the image acquisition module, and determining zooming parameters according to the image parameters and the acquisition parameters of the image acquisition module. The method can automatically zoom according to the size of the collected object, meet the requirement of shooting the tiny object, accurately extract the information of the collected object and simultaneously maximally utilize the collection parameters of the image collection module.
Description
Technical Field
The application relates to the field of optical imaging display, in particular to an optical zooming method and a high-speed shooting instrument.
Background
The high-speed scanner is widely applied to various office occasions due to the advantages of portability and high-speed scanning.
In the related art, the focal length of a camera used by a high-speed shooting instrument is mostly a lens with a fixed focal length, and the focal length cannot be automatically adjusted according to the size of an object to be shot, so that the small object cannot be clearly shot.
Disclosure of Invention
The present application is directed to solving at least one of the problems in the prior art. Therefore, the optical zooming method can automatically modulate the focal length according to the size of the collected object, meets the requirement of shooting a tiny object, and accurately presents the real information of the collected object.
The optical zooming method according to the embodiment of the first aspect of the present application is applied to a controller of a high-speed shooting instrument, and the high-speed shooting instrument comprises: the placing table is limited with a containing cavity; the infrared light source module is arranged in the accommodating cavity and used for emitting infrared light; the image acquisition module is used for acquiring a reference image of an acquired object on the placing table, and the reference image comprises a non-bright area and/or a bright area; the optical zooming method comprises the following steps: acquiring the image size of the reference image; if the image size is smaller than a preset size threshold, determining image parameters of the collected object according to the non-bright area of the reference image; acquiring the acquisition parameters of the image acquisition module, and determining the zooming parameters according to the image parameters and the acquisition parameters of the image acquisition module.
According to the optical zooming method of the embodiment of the application, at least the following beneficial effects are achieved: the image parameters of the collected objects are obtained through the non-bright area, the zooming parameters are determined according to the image parameters and the collecting parameters of the image collecting module, zooming can be automatically carried out according to the size of the collected objects, the requirement of shooting tiny objects is met, the information of the collected objects can be accurately extracted, and meanwhile the collecting parameters of the image collecting module can be utilized to the maximum extent.
According to some embodiments of the application, the image parameters comprise: object pixel values, reference object position information.
According to some embodiments of the application, the determining, according to the reference image, the image parameter of the captured object if the size of the image is a preset size threshold includes: dividing the non-bright area and the bright area according to the brightness difference of the reference image; and acquiring the pixels and positions of the non-bright areas in the reference image to determine the object pixel values and the reference object position information of the acquisition object.
According to some embodiments of the application, the object parameter values comprise: an object horizontal pixel value and an object vertical pixel value; the acquisition parameters include: a horizontal pixel reference value and a vertical pixel reference value; the acquiring of the acquisition parameters of the image acquisition module and the determining of the zooming parameters according to the image parameters and the acquisition parameters of the image acquisition module comprise: determining a first zoom factor according to the object horizontal pixel value and the horizontal pixel reference value; determining a second zoom multiple according to the object vertical pixel value and the vertical pixel reference value; and determining the zooming parameters according to the first zooming multiple and the second zooming multiple.
According to some embodiments of the application, the determining the zoom parameter according to the first zoom factor and the second zoom factor comprises: and acquiring the minimum value between the first zooming multiple and the second zooming multiple as the zooming multiple of the image acquisition module.
According to some embodiments of the application, further comprising: and if the image size is larger than or equal to the preset size threshold, outputting a focal length holding instruction, wherein the focal length holding instruction is used for representing that the focal length of the image acquisition module is unchanged.
According to some embodiments of the application, further comprising: receiving and generating a switching instruction according to the zooming parameter or the focal length keeping instruction; and controlling the optical filter switching unit to switch according to the switching instruction.
According to a second aspect embodiment of the present application, a high-speed scanner comprises: the placing table is limited with a containing cavity; the infrared light source module is arranged in the accommodating cavity and used for emitting infrared light; the image acquisition module is used for acquiring a reference image of an acquired object on the placing table, and the reference image comprises a non-bright area and/or a bright area; the controller is in communication connection with the image acquisition module and is used for acquiring the image size of the reference image; if the image size is smaller than a preset size threshold, determining image parameters of the collected object according to the non-bright area of the reference image; acquiring the acquisition parameters of the image acquisition module, and determining the zooming parameters according to the image parameters and the acquisition parameters of the image acquisition module.
According to the high appearance of clapping of this application embodiment, have following beneficial effect at least: by arranging the controller capable of executing the optical zooming method, the high-speed photographing instrument can realize automatic focusing, the pixel utilization rate of the image acquisition module is improved, and meanwhile, the influence of a non-acquisition area on the photographing effect can be avoided.
According to some embodiments of the application, further comprising: and the optical filter switching unit is arranged in the image acquisition module.
According to a computer-readable storage medium of an embodiment of the third aspect of the present application, the computer-executable instructions are configured to perform the optical zooming method of the above-mentioned embodiment of the first aspect of the present application.
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 present application is further described with reference to the following figures and examples, in which:
fig. 1 is a schematic flowchart of an optical zooming method according to an embodiment of the present application;
FIG. 2 is a schematic flowchart of step S200 in FIG. 1;
FIG. 3 is a schematic flowchart of step S300 in FIG. 1;
FIG. 4 is a schematic flow chart illustrating an optical zooming method according to an embodiment of the present application;
FIG. 5 is a perspective view of the high speed scanner according to the embodiment of the present application;
fig. 6 is a schematic structural diagram of the image capturing module shown in fig. 5.
Reference numerals:
the image capturing device comprises a placing table 100, an infrared light source module 200, an image capturing module 300, a filter switching unit 310, an optical zoom lens 320, a controller 400, a first support 500, a second support 600, a diffusion sheet 700, a first camera 800, and a second camera 900.
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 only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, front, rear, left, right, etc., referred to herein are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present application.
In the description of the present application, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and the above, below, exceeding, etc. are understood as excluding the present number, and the above, below, within, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.
In the description of the present application, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "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 present application. In this specification, the schematic representations of the terms used above do not necessarily 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.
The technical solution of the present application will be described below with reference to specific examples.
In a first aspect, the present application provides an optical zoom method for a controller of a high-speed scanner.
Referring to fig. 1 and 5, an optical zooming method according to an embodiment of the present application includes:
step S100: acquiring the image size of a reference image;
step S200: if the image size is smaller than a preset size threshold, determining image parameters of the acquired object according to the non-bright area of the reference image;
step S300: acquiring acquisition parameters of the image acquisition module, and determining zooming parameters according to the image parameters and the acquisition parameters of the image acquisition module.
Wherein, the high shooting instrument further comprises a placing table 100, and the placing table 100 defines an accommodating cavity; the infrared light source module 200 is arranged inside the accommodating cavity and used for emitting infrared light; the image capturing module 300 is configured to capture a reference image of the captured object on the placing table 100, where the reference image includes a non-bright area and/or a bright area.
According to the optical zooming method, the image parameters of the collected object are obtained through the non-bright area, the zooming parameters are determined according to the image parameters and the collecting parameters of the image collecting module 300, zooming can be automatically carried out according to the size of the collected object, the requirement of shooting of tiny objects is met, the information of the collected object can be accurately extracted, and meanwhile the collecting parameters of the image collecting module 300 can be utilized to the maximum extent.
For example, the placement stage 100 is generally a rectangular parallelepiped structure defining a receiving cavity, and the placement stage 100 is used for placing the collection. The infrared light source module 200 is disposed inside the accommodating chamber and configured to emit infrared light to the surface of the placing table 100. The image capturing module 300 is disposed above the placing table 100, and is configured to capture a reference image of the captured object on the placing table 100, where the reference image includes at least one or two of a non-bright area and a bright area.
The controller 400 communicates with the image capturing module 300, and may implement communication in a wired manner (such as USB, network cable, etc.) or in a wireless manner (such as mobile network, WIFI, bluetooth, etc.), and the controller 400 may implement the optical zooming method of the present application.
In some embodiments of the present application, the image parameters include: object pixel values, reference object position information.
In some embodiments of the present application, as shown in fig. 2, step S200: if the image size is smaller than the preset size threshold, determining the image parameters of the acquired object according to the non-bright area of the reference image, including but not limited to the following steps:
step S210: dividing a non-bright area and a bright area according to the brightness difference of the reference image;
step S220: and acquiring pixels and positions of non-bright areas in the reference image to determine the object pixel values and the reference object position information of the acquisition object.
For example, referring to fig. 2 and 5, the preset size threshold is the maximum breadth of the reference object to be photographed, and is typically set to 297mm by 210 mm. The reference object is placed on the surface of the placing table 100, the reference object is generally arranged in the center, the infrared light source module 200 emits a light beam, if the size of the image is smaller than a preset size threshold, a part of the light beam is transmitted out from the upper side of the placing table 100, after the acquisition module acquires the reference image of the object acquired on the placing table 100, the controller 400 divides the non-bright area and the bright area according to the brightness difference of the reference image, and meanwhile, the position of the reference object on the placing table 100 can be judged. The non-bright area is an area where the reference object covers the placement stage 100, and the bright area is an area where no reference object covers.
After the non-bright area and the bright area are subjected to binarization processing, an image with more obvious black-white contrast can be obtained. And determining the object pixel value of the acquisition object and the position information of the reference object by extracting the gray value of the non-bright area. Zooming parameters can be obtained according to the image parameters of the collected object, and automatic zooming is realized.
In some embodiments of the present application, the object parameter values include object horizontal pixel values and object vertical pixel values; the acquisition parameters include horizontal pixel reference values and vertical pixel reference values. As shown in fig. 3, step S300: acquiring acquisition parameters of an image acquisition module, and determining zoom parameters according to the image parameters and the acquisition parameters of the image acquisition module, wherein the method comprises the following steps:
step S310: determining a first zoom factor according to the object horizontal pixel value and the horizontal pixel reference value;
step S320: determining a second zoom multiple according to the vertical pixel value of the object and the vertical pixel reference value;
step S330: and determining a zooming parameter according to the first zooming multiple and the second zooming multiple.
For example, referring to fig. 3 and 5, the object parameter values include an object horizontal pixel value and an object vertical pixel value; the acquisition parameters include horizontal pixel reference values and vertical pixel reference values. The gray value extraction is carried out on the non-bright area, so that the horizontal pixel value and the vertical pixel value of the object can be obtained; the acquisition parameters are parameter information of the image acquisition module, and comprise horizontal pixel reference values and vertical pixel reference values.
Calculating a first zoom multiple according to the object horizontal pixel value and the horizontal pixel reference value, wherein the first zoom multiple is equal to the horizontal pixel reference value/the object horizontal pixel value; a second zoom factor can be calculated from the object vertical pixel value and the vertical pixel reference value, i.e. the second zoom factor is equal to the vertical pixel reference value/the vertical horizontal pixel value. And determining zooming parameters according to the first zooming multiple and the second zooming multiple, and adjusting the focal length of the image acquisition module 300 according to the zooming parameters, so that automatic focusing can be realized, and the pixel utilization rate of the image acquisition module 300 is improved.
In some embodiments of the present application, step S330: determining a zoom parameter according to the first zoom multiple and the second zoom multiple, further comprising: and acquiring the minimum value between the first zooming multiple and the second zooming multiple as the zooming multiple of the image acquisition module. The minimum value between the first zooming multiple and the second zooming multiple is used as the zooming multiple of the image acquisition module, so that the automatic zooming can be realized, the utilization rate of 300 pixels of the image acquisition module can be improved, and the acquired object can be completely shot to obtain a complete image.
In some embodiments of the present application, as shown in fig. 4, the optical zooming method further includes: step S400: and if the image size is larger than or equal to the preset size threshold, outputting a focal length holding instruction, wherein the focal length holding instruction is used for representing that the focal length of the image acquisition module is unchanged.
For example, the focal length of the image capturing module 300 is initially set to a short focal length by default, and if the image size is greater than or equal to the preset size threshold, the light beam emitted by the infrared light source module 200 does not penetrate through the placing table 100, and the image capturing module 300 does not receive the light beam, it indicates that the reference object completely covers the placing table 100, and at this time, a focal length keeping instruction is emitted. The image capture module 300 keeps the focal length unchanged according to the focal length holding instruction. In order to ensure the quality of the captured image, the size of the captured image preferably does not exceed a predetermined size. In some embodiments of the present application, as shown in fig. 4, the optical zooming method further includes:
step S500: receiving and generating a switching instruction according to the zooming parameter or the focal length keeping instruction;
step S600: and controlling the optical filter switching unit to switch according to the switching instruction.
For example, referring to fig. 4 and fig. 5, at the beginning of operation, the filter switching unit 310 is in a full spectrum band, that is, all light can enter the image capturing module 300 through the filter switching unit 310. When the zoom parameter or the focal length holding instruction is received, a switching instruction is generated, and the optical filter switching unit 310 is controlled to switch according to the switching instruction, so that the full spectrum band is switched to the infrared cut-off band. After the optical filter switching unit 310 is switched to the infrared cut-off band, the infrared light beam emitted by the infrared light source module 200 cannot enter the image acquisition module 300 after passing through the placing table 100, and meanwhile, external infrared light cannot enter the image acquisition module 300, so that the color reduction degree of the image acquired by the image acquisition module 300 is not affected by the infrared light.
In a second aspect, as shown in fig. 5 and 6, the present application further provides a high-speed scanner, which includes a placing table 100, an infrared light source module 200, an image capturing module 300, and a controller 400, wherein the placing table 100 defines a receiving cavity; the infrared light source module 200 is arranged inside the accommodating cavity and used for emitting infrared light; the image acquisition module 300 is configured to acquire a reference image of an object acquired on the placing table 100, where the reference image includes a non-bright area and/or a bright area; the controller 400 is in communication connection with the image acquisition module 300 and is used for acquiring the image size of the reference image; if the image size is smaller than a preset size threshold, determining image parameters of the acquired object according to the non-bright area of the reference image; acquiring parameters of the image acquisition module 300, and determining zoom parameters according to the image parameters and the acquisition parameters of the image acquisition module 300.
The placement stage 100 is generally rectangular parallelepiped and defines a receiving cavity, and the surface of the placement stage 100 is used for placing the collected objects. A fingerprint recognition module, an identification card recognition module, and the like may be further provided on the placing table 100 as required. The infrared light source module 200 is arranged inside the accommodating cavity, the infrared light source module 200 is used for emitting infrared light to the surface of the placing table 100 where the collecting objects are placed, the infrared light source module 200 adopts an infrared LED lamp array, and when the size of the image is smaller than a preset size threshold value, the infrared light source module 200 can be acquired by the image collecting module 300 through the placing table 100. The image capturing module 300 is disposed above the placing table 100, and is configured to capture a reference image of the object captured on the placing table 100, where the reference image includes at least one of a non-bright area and a bright area. The controller 400 is configured to obtain a size of the reference image, and determine a zoom parameter according to the image parameter and the acquisition parameter of the image acquisition module 300. The image capturing module 300 is a camera with an optical zoom lens 320, and can change the focal length according to the zoom parameter. The controller 400 communicates with the image capturing module 300, and may implement communication in a wired manner (such as USB, network cable, etc.) or in a wireless manner (such as mobile network, WIFI, bluetooth, etc.), and the controller 400 may implement the optical zooming method of the present application.
In other embodiments, a diffusion sheet 700 is further disposed in the accommodating cavity, and the diffusion sheet 700 is disposed above the infrared light source module 200 and is used for diffusing the light beams emitted by the infrared light source module 200 to make the light beams become a surface light source with uniform brightness, so as to improve the dividing accuracy of the non-bright area and the bright area.
According to the high-speed shooting instrument provided by the embodiment of the application, the controller 400 capable of executing the optical zooming method is arranged, so that the high-speed shooting instrument can realize automatic focusing, the pixel utilization rate of the image acquisition module 300 is improved, and meanwhile, the influence of a non-acquisition area on the shooting effect can be avoided.
In some embodiments of the present application, as shown in fig. 5 and 6, the high-speed scanner further includes a filter switching unit 310, and the filter switching unit 310 is disposed in the image capturing module 300. For example, the infrared light source module 200 is an infrared LED array, and when the high-speed scanner initially works, the optical filter switching unit 310 is a full-spectrum optical filter, which allows light beams emitted by the infrared light source module 200 to enter the image acquisition module 300. When the image acquisition module 300 does not acquire infrared light, focusing is not required; when the image acquisition module 300 acquires infrared light, it indicates that the image size of the reference object is smaller than a preset size threshold, and focusing processing is required. The controller 400 determines zoom parameters according to the image parameters and the acquisition parameters of the image acquisition module 300, and controls the optical filter switching unit 310 to switch to the infrared cut-off optical filter, so as to prevent the infrared light emitted from the infrared light source module 200 from entering the optical zoom lens 320. The color reduction degree of the image can be ensured not to be affected by the infrared light by providing the filter switching unit 310.
In other embodiments, the high-speed scanner further comprises a first support 500 and a second support 600. The first support 500 is substantially a cylindrical structure, one end of which is vertically disposed on the surface of the placing table 100, and the second support 600 is vertically disposed on one end of the first support 500 away from the placing table 100, wherein the second support 600 is located above the placing table 100. An image capturing module 300 is disposed at an end of the second support 600 away from the first support 500, and the image capturing module 300 is close to the placing table 100 and is used for acquiring image information of the reference object. The two ends of the second supporting member 600, which are far away from the placing table 100, are respectively provided with a first camera 800 and a second camera 900, wherein the first camera 800 is used for shooting an environment, and the second camera 900 is used for face recognition, and in addition, the functions of the first camera 800 and the second camera 900 can be set according to the requirements of a user.
In a third aspect, the present application further provides a computer-readable storage medium storing computer-executable instructions for performing the optical zooming method of the foregoing first aspect of the present application.
One of ordinary skill in the art will appreciate that all or some of the steps, systems, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present application. Furthermore, the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
Claims (10)
1. The optical zooming method is applied to a controller of a high-speed shooting instrument, and is characterized in that the high-speed shooting instrument further comprises:
the placing table is limited with a containing cavity;
the infrared light source module is arranged in the accommodating cavity and used for emitting infrared light;
the image acquisition module is used for acquiring a reference image of an acquired object on the placing table, and the reference image comprises a non-bright area and/or a bright area;
the optical zooming method comprises the following steps:
acquiring the image size of the reference image;
if the image size is smaller than a preset size threshold, determining image parameters of the collected object according to the non-bright area of the reference image;
acquiring the acquisition parameters of the image acquisition module, and determining the zooming parameters according to the image parameters and the acquisition parameters of the image acquisition module.
2. An optical zooming method as claimed in claim 1, wherein the image parameters comprise: object pixel values, reference object position information.
3. The optical zooming method of claim 2, wherein the determining the image parameter of the captured object according to the reference image if the size of the image is a predetermined size threshold comprises:
dividing the non-bright area and the bright area according to the brightness difference of the reference image;
and acquiring the pixels and positions of the non-bright areas in the reference image to determine the object pixel values and the reference object position information of the acquisition object.
4. Optical zooming method according to claim 2, characterized in that the object parameter values comprise: an object horizontal pixel value and an object vertical pixel value; the acquisition parameters include: a horizontal pixel reference value and a vertical pixel reference value; the acquiring of the acquisition parameters of the image acquisition module and the determining of the zooming parameters according to the image parameters and the acquisition parameters of the image acquisition module comprise:
determining a first zoom factor according to the object horizontal pixel value and the horizontal pixel reference value;
determining a second zoom multiple according to the object vertical pixel value and the vertical pixel reference value;
and determining the zooming parameters according to the first zooming multiple and the second zooming multiple.
5. The optical zooming method of claim 4, wherein said determining the zoom parameter according to the first zoom factor and the second zoom factor comprises:
and acquiring the minimum value between the first zooming multiple and the second zooming multiple as the zooming multiple of the image acquisition module.
6. The optical zooming method of claim 1, further comprising:
and if the image size is larger than or equal to the preset size threshold, outputting a focal length holding instruction, wherein the focal length holding instruction is used for representing that the focal length of the image acquisition module is unchanged.
7. The optical zooming method of claim 6, further comprising:
receiving and generating a switching instruction according to the zooming parameter or the focal length keeping instruction;
and controlling the optical filter switching unit to switch according to the switching instruction.
8. High appearance of clapping, its characterized in that includes:
the placing table is limited with a containing cavity;
the infrared light source module is arranged in the accommodating cavity and used for emitting infrared light;
the image acquisition module is used for acquiring a reference image of an acquired object on the placing table, and the reference image comprises a non-bright area and/or a bright area;
the controller is in communication connection with the image acquisition module and is used for acquiring the image size of the reference image; if the image size is smaller than a preset size threshold, determining image parameters of the collected object according to the non-bright area of the reference image; acquiring the acquisition parameters of the image acquisition module, and determining the zooming parameters according to the image parameters and the acquisition parameters of the image acquisition module.
9. The high beat meter according to claim 8, further comprising:
and the optical filter switching unit is arranged in the image acquisition module.
10. Computer-readable storage medium, characterized in that it stores computer-executable instructions for causing a computer to execute the optical zooming method according to any one of claims 1 to 7.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102984454A (en) * | 2012-11-15 | 2013-03-20 | 广东欧珀移动通信有限公司 | System and method and mobile phone capable of automatically adjusting focal length of camera |
| CN103197491A (en) * | 2013-03-28 | 2013-07-10 | 华为技术有限公司 | Method capable of achieving rapid automatic focusing and image acquisition device |
| CN106899800A (en) * | 2016-06-28 | 2017-06-27 | 阿里巴巴集团控股有限公司 | Method, device and mobile terminal device that camera is focused |
| CN107301665A (en) * | 2017-05-03 | 2017-10-27 | 中国科学院计算技术研究所 | Depth camera and its control method with varifocal optical camera |
| CN109194866A (en) * | 2018-08-21 | 2019-01-11 | 广州视源电子科技股份有限公司 | A kind of image-pickup method, device, system, terminal device and storage medium |
| CN113709368A (en) * | 2021-08-26 | 2021-11-26 | 维沃移动通信有限公司 | Image display method, device and equipment |
-
2021
- 2021-10-12 CN CN202111186551.8A patent/CN113905139A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102984454A (en) * | 2012-11-15 | 2013-03-20 | 广东欧珀移动通信有限公司 | System and method and mobile phone capable of automatically adjusting focal length of camera |
| CN103197491A (en) * | 2013-03-28 | 2013-07-10 | 华为技术有限公司 | Method capable of achieving rapid automatic focusing and image acquisition device |
| CN106899800A (en) * | 2016-06-28 | 2017-06-27 | 阿里巴巴集团控股有限公司 | Method, device and mobile terminal device that camera is focused |
| CN107301665A (en) * | 2017-05-03 | 2017-10-27 | 中国科学院计算技术研究所 | Depth camera and its control method with varifocal optical camera |
| CN109194866A (en) * | 2018-08-21 | 2019-01-11 | 广州视源电子科技股份有限公司 | A kind of image-pickup method, device, system, terminal device and storage medium |
| CN113709368A (en) * | 2021-08-26 | 2021-11-26 | 维沃移动通信有限公司 | Image display method, device and equipment |
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