CN115933948A - Code scanning image information display method, device, equipment and computer readable medium - Google Patents
Code scanning image information display method, device, equipment and computer readable medium Download PDFInfo
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Abstract
The embodiment of the disclosure discloses a code scanning image information display method, a code scanning image information display device, code scanning image information display equipment and a computer readable medium. One embodiment of the method comprises: determining a target code scanning image according to a code scanning page displayed in head-mounted display equipment, wherein at least one code scanning image is displayed in the code scanning page; amplifying the target code scanning image to obtain an amplified image corresponding to the target code scanning image; displaying a bar code scan magnified page in the head-mounted display device, wherein the magnified image is displayed in the bar code scan magnified page, so that the magnified image displayed in the head-mounted display device is suitable for being scanned by an image pickup device of the bar code scan device independent of the head-mounted display device. The implementation method reduces the time consumption of user operation and simplifies the user operation steps.
Description
Technical Field
The embodiment of the disclosure relates to the technical field of computers, in particular to a code scanning image information display method, device, equipment and computer readable medium.
Background
Head mounted display devices, such as AR glasses, may be worn by a user to view the augmented display scene. At present, the application ecology of the head-mounted display device (AR glasses) is similar to that of the mobile intelligent terminal, and the head-mounted display device also needs to log in specific applications by inputting account passwords or scanning two-dimensional codes. However, due to the limitation of the display mode of the head-mounted display device, the two-dimensional code on the screen of the head-mounted display device cannot be scanned directly by using the mobile phone. Currently, when a login operation is performed in a head-mounted display device, the following methods are generally adopted: because the character input through the original interactive mode of the AR glasses is complicated, the account number password or the mobile phone number verification code needs to be manually input through the mode of inputting the short message verification code or the account number password. Resulting in cumbersome user operation steps.
The above information disclosed in this background section is only for enhancement of understanding of the background of the inventive concept and, therefore, it may contain information that does not form the prior art that is already known to a person of ordinary skill in the art in this country.
Disclosure of Invention
This summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.
Some embodiments of the present disclosure propose a code-scanning image information display method, apparatus, electronic device and computer-readable medium to solve one or more of the technical problems mentioned in the background section above.
In a first aspect, some embodiments of the present disclosure provide a code-scanning image information display method, including: determining a target code scanning image according to a code scanning page displayed in head-mounted display equipment, wherein at least one code scanning image is displayed in the code scanning page; amplifying the target code scanning image to obtain an amplified image corresponding to the target code scanning image; displaying a bar code scan magnified page in the head-mounted display device, wherein the magnified image is displayed in the bar code scan magnified page, so that the magnified image displayed in the head-mounted display device is suitable for being scanned by an image pickup device of the bar code scan device independent of the head-mounted display device.
Optionally, the performing an amplification process on the target code-scanning image to obtain an amplified image corresponding to the target code-scanning image includes: and amplifying the target code scanning image by the target multiple in an equal ratio to obtain an amplified image corresponding to the target code scanning image.
Optionally, the above displaying a code-scanning zoom page in the head-mounted display device includes: and displaying a code scanning magnification page in the head-mounted display equipment in response to the fact that the key operation record of at least one target key acting on the intelligent terminal in communication connection with the head-mounted display equipment meets the preset operation condition.
Optionally, the above displaying a code-scanning zoom page in the head-mounted display device includes: and in response to detecting that the head-mounted display equipment is in an unworn state, displaying a code scanning magnification page in the head-mounted display equipment.
Optionally, a menu bar is further displayed in the code scanning page, and the menu bar includes a code scanning image acquisition control; and the above-mentioned code scanning page according to revealing in the head mounted display device, confirm the code scanning image of goal, including: and in response to the detection of the selection operation acting on the code scanning image acquisition control, determining a target code scanning image according to a code scanning page displayed in the head-mounted display equipment.
Optionally, the above displaying a code-scanning magnification page in the head-mounted display device includes: and displaying scanning prompt information corresponding to the code scanning equipment at a preset position corresponding to the amplified image in the code scanning amplification page.
Optionally, the above displaying a code-scanning magnification page in the head-mounted display device includes: adjusting the display brightness of the head-mounted display equipment to a target brightness; and displaying the code scanning magnification page in the head-mounted display equipment.
Optionally, the method further includes: and restoring the display brightness of the head-mounted display equipment in response to the detection of the closing operation acting on the code-scanning amplification page.
Optionally, before the code-scan magnified page is displayed in the head-mounted display device, the method further includes: determining whether persistent closing information corresponding to the code scanning amplification prompt window exists or not; in response to determining that no persistent closing information corresponding to the code scanning amplification prompting window exists, displaying the code scanning amplification prompting window in the head-mounted display device, wherein amplification operation prompting information and a persistent closing prompting control are displayed in the code scanning amplification prompting window; in response to detecting the selection operation acting on the permanent closing prompt control, generating permanent closing information corresponding to the code scanning amplification prompt window; the generated persistent shutdown information is stored.
Optionally, the determining a target code scanning image according to a code scanning page displayed in the head-mounted display device includes: carrying out code scanning image identification on the code scanning page; in response to the fact that the number of the identified code scanning images is larger than a preset value, intercepting each identified code scanning image from the code scanning page to obtain a screenshot code scanning image set; displaying each screenshot code scanning image in the screenshot code scanning image set; and in response to the detection of the selection operation acting on the displayed arbitrary screenshot code scanning image, determining the code scanning image corresponding to the arbitrary screenshot code scanning image as a target code scanning image.
Optionally, the intercepting of each identified code-scanned image from the code-scanned page includes: determining the sum of the image width of the code scanning image and a preset width as a cutting width; determining the sum of the image height of the identified code scanning image and a preset height as an intercepting height; and intercepting the identified code scanning image from the code scanning page according to the intercepting width and the intercepting height to obtain a screenshot code scanning image.
Optionally, the displaying each screenshot code-scanned image in the screenshot code-scanned image set includes: labeling each identified code scanning image in a code scanning page screenshot of the code scanning page to obtain a labeled code scanning page screenshot, wherein each image label information corresponding to each code scanning image is displayed in the labeled code scanning page screenshot; and displaying the marked code scanning page screenshot, the screenshot code scanning image set and the image annotation information in the head-mounted display equipment, wherein the screenshot code scanning image in the screenshot code scanning image set and the image annotation information in the image annotation information are correspondingly displayed.
Optionally, the method further includes: and sending the target code scanning image to a cloud storage associated with a user account, wherein the code scanning device is configured to acquire the target code scanning image through the cloud storage.
In a second aspect, some embodiments of the present disclosure provide a code-scanning image information display apparatus, including: a determining unit configured to determine a target code scanning image according to a code scanning page displayed in a head-mounted display device, wherein at least one code scanning image is displayed in the code scanning page; the amplifying unit is configured to amplify the target code scanning image to obtain an amplified image corresponding to the target code scanning image; a display unit configured to display a scannable page in the head-mounted display device, wherein the scannable page displays the magnified image therein such that the magnified image displayed in the head-mounted display device is suitable for being scanned by an image pickup device of the scannable device independent of the head-mounted display device.
Optionally, the amplifying unit is further configured to: and amplifying the target code scanning image by the target multiple in an equal ratio to obtain an amplified image corresponding to the target code scanning image.
Optionally, the display unit is further configured to: and displaying a code scanning and amplifying page in the head-mounted display equipment in response to the fact that the key operation record of at least one target key acting on the intelligent terminal in communication connection with the head-mounted display equipment meets the preset operation condition.
Optionally, the display unit is further configured to: and in response to detecting that the head-mounted display equipment is in an unworn state, displaying a code scanning magnification page in the head-mounted display equipment.
Optionally, a menu bar is further displayed in the code scanning page, and the menu bar includes a code scanning image obtaining control.
Optionally, the determining unit is further configured to: and in response to the detection of the selection operation acting on the code scanning image acquisition control, determining a target code scanning image according to a code scanning page displayed in the head-mounted display equipment.
Optionally, the display unit is further configured to: and displaying scanning prompt information corresponding to the code scanning equipment at a preset position corresponding to the amplified image in the code scanning amplification page.
Optionally, the display unit is further configured to: the above-mentioned display sweep a yard magnification page in above-mentioned head mounted display device includes: adjusting the display brightness of the head-mounted display equipment to a target brightness; and displaying a code scanning magnification page in the head-mounted display device.
Optionally, the code-scanning image information display device further includes: a restoring unit configured to restore display brightness of the head-mounted display device in response to detection of a closing operation acting on the code-scan magnified page.
Optionally, before the display unit, the code-scanning image information display device further includes: the device comprises a permanent closing information determining unit, a code scanning and amplifying prompt window display unit, a permanent closing information generating unit and a storage unit. Wherein the persistent close information determination unit is configured to determine whether persistent close information corresponding to the barcode-scanning zoom-in cue window exists. The code scanning amplification prompt window display unit is configured to display a code scanning amplification prompt window in the head-mounted display device in response to determining that there is no persistent close information corresponding to the code scanning amplification prompt window, wherein the code scanning amplification prompt window displays therein the amplification operation prompt information and the persistent close prompt control. The persistent closing information generating unit is configured to generate persistent closing information corresponding to the code-scanning amplification prompt window in response to detecting a selection operation acting on the persistent closing prompt control. The storage unit is configured to store the generated persistent shutdown information.
Optionally, the determining unit is further configured to: carrying out code scanning image identification on the code scanning page; in response to the fact that the number of the identified code scanning images is larger than a preset value, intercepting each identified code scanning image from the code scanning page to obtain a screenshot code scanning image set; displaying each screenshot code scanning image in the screenshot code scanning image set; and in response to the detection of the selection operation acting on the displayed arbitrary screenshot code scanning image, determining the code scanning image corresponding to the arbitrary screenshot code scanning image as a target code scanning image.
Optionally, the determining unit is further configured to: determining the sum of the image width of the identified code scanning image and a preset width as a clipping width; determining the sum of the image height of the identified code scanning image and a preset height as an intercepting height; and intercepting the identified code scanning image from the code scanning page according to the intercepting width and the intercepting height to obtain a screenshot code scanning image.
Optionally, the determining unit is further configured to: labeling each identified code scanning image in a code scanning page screenshot of the code scanning page to obtain a labeled code scanning page screenshot, wherein each image label information corresponding to each code scanning image is displayed in the labeled code scanning page screenshot; and displaying the marked code scanning page screenshot, the screenshot code scanning image set and the image annotation information in the head-mounted display equipment, wherein the screenshot code scanning image in the screenshot code scanning image set and the image annotation information in the image annotation information are correspondingly displayed.
Optionally, the code-scanning image information display device further comprises: a sending unit configured to send the target code-scanning image to a cloud storage associated with a user account, wherein the code-scanning device is configured to acquire the target code-scanning image through the cloud storage.
In a third aspect, some embodiments of the present disclosure provide an electronic device, comprising: one or more processors; a storage device having one or more programs stored thereon, which when executed by one or more processors, cause the one or more processors to implement the method described in any of the implementations of the first aspect.
In a fourth aspect, some embodiments of the present disclosure provide a computer readable medium on which a computer program is stored, wherein the program, when executed by a processor, implements the method described in any of the implementations of the first aspect.
The above embodiments of the present disclosure have the following advantages: according to the code scanning image information display method, time consumption of user operation is reduced, and user operation steps are simplified. Specifically, the reasons that the operation of the user takes a long time and the operation steps are complicated are as follows: by means of a short message verification code of a mobile phone, the short message verification code needs to be waited, and the short message verification code needs to be manually input after the short message verification code is received, so that the time consumption of user operation is long, and the user operation steps are complicated; the account password is required to be manually input in an account password input mode, so that the operation steps of a user are complicated. Based on this, the code scanning image information display method of some embodiments of the present disclosure first determines a target code scanning image according to a code scanning page displayed in the head-mounted display device. At least one code scanning image is displayed in the code scanning page. Therefore, the code scanning image which needs to be scanned currently can be determined from at least one code scanning image displayed in the code scanning page. And then, amplifying the target code scanning image to obtain an amplified image corresponding to the target code scanning image. Therefore, the scanning code image which needs to be scanned currently can be amplified. And finally, displaying a code scanning magnification page in the head-mounted display equipment. Wherein the magnified image is displayed in the code-scanning magnified page such that the magnified image displayed in the head-mounted display device is suitable for being scanned by an image pickup device of the code-scanning device independent of the head-mounted display device. Thus, the enlarged code-scanned image can be displayed in the code-scanned enlarged page. Therefore, the amplified code scanning image displayed in the head-mounted display equipment can be scanned through the camera device of the code scanning equipment so as to execute application operation corresponding to the code scanning image. The amplified code scanning image displayed in the head-mounted display equipment can be directly scanned by the camera device of the code scanning equipment, so that a user does not need to manually input a short message verification code or an account password, time consumed by user operation is reduced, and user operation steps are simplified.
Drawings
The above and other features, advantages and aspects of various embodiments of the present disclosure will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. Throughout the drawings, the same or similar reference numbers refer to the same or similar elements. It should be understood that the drawings are schematic and that elements and elements are not necessarily drawn to scale.
FIG. 1 is an architectural diagram of an exemplary system in which some embodiments of the present disclosure may be applied;
FIG. 2 is a flow diagram of some embodiments of a method of code-scanning image information display according to the present disclosure;
FIG. 3 is a schematic diagram of one application scenario of a code-scanning image information display method, in accordance with some embodiments of the present disclosure;
FIG. 4 is a flow diagram of further embodiments of a method of code-scanning image information display according to the present disclosure;
FIG. 5 is a schematic structural diagram of some embodiments of a code-scanning image information display apparatus according to the present disclosure;
FIG. 6 is a schematic structural diagram of an electronic device suitable for use in implementing some embodiments of the present disclosure.
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it is to be understood that the disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It should be understood that the drawings and embodiments of the disclosure are for illustration purposes only and are not intended to limit the scope of the disclosure.
It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. The embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict.
It should be noted that the terms "first", "second", and the like in the present disclosure are only used for distinguishing different devices, modules or units, and are not used for limiting the order or interdependence relationship of the functions performed by the devices, modules or units.
It is noted that references to "a", "an", and "the" modifications in this disclosure are intended to be illustrative rather than limiting, and that those skilled in the art will recognize that "one or more" may be used unless the context clearly dictates otherwise.
The names of messages or information exchanged between devices in the embodiments of the present disclosure are for illustrative purposes only, and are not intended to limit the scope of the messages or information.
The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
FIG. 1 illustrates an exemplary system architecture 100 that may be applied to embodiments of the present disclosure that apply to the method of code-swept image information display.
As shown in fig. 1, exemplary system architecture 100 may include a head mounted display device 11 and a smart terminal 12.
Head mounted display device 11 may include one or two display screens 111. The display screen is used for displaying a virtual interface. In addition, head mounted display device 11 also includes a frame 112. In some embodiments, the processing unit, memory, and battery of head mounted display device 11 may be placed inside frame 112. In some alternative implementations of some implementations, one or more of the processing unit, memory, and battery components may also be integrated into another separate accessory (not shown) that is connected to the frame 112 via a data cable.
The smart terminal 12 may include a key unit 121, and in some embodiments, the head mounted display device 11 and the smart terminal 12 may communicate through a wireless connection. In some optional implementations of some embodiments, the head-mounted display device 11 and the smart terminal 12 may also be connected through a data line (not shown).
It should be understood that the number of head mounted display devices and smart terminals in fig. 1 is merely illustrative. Any suitable number of head mounted display devices and intelligent terminals may be present, as desired for implementation.
With continued reference to fig. 2, a flow 200 of some embodiments of a code-scan image information display method according to the present disclosure is shown. The code scanning image information display method comprises the following steps:
In some embodiments, an executing body of the code scanning image information display method (e.g., the smart terminal 12 or the head mounted display device 11 shown in fig. 1) may determine a target code scanning image according to a code scanning page displayed in the head mounted display device. The head-mounted display device may be a head-mounted device for enabling a wearing user to view a virtual image, and may be, but is not limited to, one of the following: head-mounted enhanced display device, head-mounted hybrid display device. For example, the head-mounted augmented display device described above may be AR glasses. The head-mounted hybrid display device may be MR glasses. The code scanning page can be a page displaying a code scanning image. At least one code scanning image is displayed in the code scanning page. The code-scanned image may be an image for code scanning to automatically perform a corresponding application operation. For example, the at least one code-scanned image displayed in the code-scanned page may include, but is not limited to, at least one of: two-dimensional codes and bar codes. It should be noted that, the at least one code scanning image displayed in the code scanning page may also include other forms of recognizable images, and is not limited in particular. The application operation corresponding to the at least one code scanning image displayed in the code scanning page may include, but is not limited to, at least one of the following: login operation, payment operation, friend adding operation and group chat adding operation.
In practice, the execution body can perform code scanning image recognition on the code scanning page. Then, the identified scan-code image may be determined to be the target scan-code image in response to determining that the number of the identified scan-code images is 1.
Optionally, a menu bar is further displayed in the code scanning page. The menu bar may be a set of operation controls of the application corresponding to the code scanning page. The menu bar may include a swipe image capture control. The code-scan image acquisition control can be a control for determining one code-scan image displayed in the code-scan page.
In some optional implementations of some embodiments, the executing body may determine, in response to detecting the selection operation on the code-scanning image acquisition control, a target code-scanning image according to a code-scanning page displayed in the head-mounted display device. Here, the selection operation applied to the code-scanning image acquisition control may be operated by a button on the smart terminal. Therefore, when the code scanning image acquisition control is selected by the menu bar, the target code scanning image can be determined according to the code scanning image displayed in the code scanning page.
In some embodiments, the executing body may perform an enlarging process on the target code scanning image to obtain an enlarged image corresponding to the target code scanning image. In practice, the execution subject may enlarge the target code scanning image to a target size, and obtain an enlarged image corresponding to the target code scanning image. The target size may be a preset size for scanning codes. Here, the target size is larger than the size of the target code-scanned image.
In some optional implementations of some embodiments, the executing body may magnify the target code-scanning image by a target multiple in an equal ratio, so as to obtain a magnified image corresponding to the target code-scanning image. The target multiple may be a preset multiple. The target multiple can also be the maximum multiple of the geometric magnification of the target code scanning image in the code scanning magnification page. For example, when the page height of the code-scanned enlarged page is smaller than the page width, the target multiple may be a ratio of the page height of the code-scanned enlarged page to the image height of the target code-scanned image. When the page width of the code-scanning enlarged page is smaller than the page height, the target multiple may be a ratio of the page width of the code-scanning enlarged page to the image width of the target code-scanning image. Therefore, the target code scanning image can be magnified in an equal ratio to the maximum extent.
Optionally, before step 203, the executing main body may further execute the following steps:
the first step is to determine whether persistent closing information corresponding to the code scanning amplification prompt window exists. The code scanning and enlarging prompting window can be a window used for prompting how to display the code scanning and enlarging page. The persistent close message may represent that the scan code magnification prompt window is no longer displayed. For example, the persistent close message may be "Zoom tip, permanent Closed". Here, the specific representation form of the persistent shutdown information is not limited.
And secondly, responding to the fact that the persistent closing information corresponding to the code scanning and amplifying prompt window does not exist, and displaying the code scanning and amplifying prompt window in the head-mounted display equipment. And the code scanning amplification prompt window displays amplification operation prompt information and a persistent closing prompt control. The zoom-in operation prompt message may be a prompt message for prompting how to display the code-scanning zoom-in page. The zoom-in operation prompting message may include, but is not limited to, at least one type of message selected from the following: pictures, motion pictures, video, text. The persistent close prompt control may be a control for persistently closing the display of the code scanning magnification prompt window.
And thirdly, responding to the detection of the selection operation acting on the permanent closing prompt control, and generating permanent closing information corresponding to the code scanning amplification prompt window. In practice, the execution subject may determine the preset character string as the persistent closing information corresponding to the code-scanning magnification prompt window. For example, the predetermined string may be "Zoom tip, permanently Closed".
And fourthly, storing the generated permanent closing information. In practice, the execution agent may store the persistent shutdown information to a local cache.
Therefore, the user can be prompted in advance how to operate so as to enlarge and display the code scanning image.
And step 203, displaying the code scanning magnification page in the head-mounted display device.
In some embodiments, the execution subject may display a scan-and-zoom page in the head-mounted display device. The code scanning and enlarging page may be a page for displaying the enlarged code scanning image. The magnified image is displayed in the code-scanning magnified page such that the magnified image displayed in the head-mounted display device is suitable for being scanned by an image pickup device of the code-scanning device independent of the head-mounted display device. The code scanning device can be a device capable of identifying a code scanning image. The code scanning device can comprise the camera device. For example, the code scanning device may be a mobile phone. The camera device can be a camera of a mobile phone. It should be noted that the code scanning device may not be communicatively connected to the head-mounted display device. In practice, the execution body may jump from the code-scan page to the code-scan magnification page. As an example, as shown in fig. 3, the user may scan an enlarged image 303 or 304 displayed in a display screen of the head mounted display device 302 with the handset 301 being held to log in to the user account.
In some optional implementations of some embodiments, the executing body may display a scan-and-zoom page in the head-mounted display device in response to detecting that a key operation record of at least one target key acting on a smart terminal communicatively connected to the head-mounted display device satisfies a preset operation condition. The intelligent terminal can be a terminal for providing calculation support and/or operation support for the head-mounted display device. The intelligent terminal can be provided with a key unit. The key unit may include, but is not limited to, at least one type of key selected from the following: touch screen keys, physical keys. The at least one target key may be a key or a group of keys for determining to display the enlarged code scan image. The key operation record may be a record representing the operated key and the operation time period. The key operation record may include a key identification set and a key duration. The preset operation condition may be an operation condition that needs to be satisfied for displaying the enlarged code-scanned image. For example, the preset operation condition may be that the key identifier set includes one key identifier, and the key identifier is a preset key identifier. The preset operation condition may be that the key identifier set includes one key identifier, and the key duration is longer than a preset duration. The preset operation condition may be that the key identifier set is identical to a preset key identifier sequence. Here, specific settings of the preset key identifier, the preset duration and the preset key identifier sequence are not limited. Therefore, when the key operation of the user at the intelligent terminal meets the preset operation condition, the amplified code scanning image can be displayed in the code scanning amplification page.
In some optional implementations of some embodiments, the execution subject may display a scancode magnification page in the head-mounted display device in response to detecting that the head-mounted display device is in an unworn state. The unworn state may represent that a wearing user takes off the head-mounted display device or that the wearing user does not wear the head-mounted display device all the time. Here, the wearing state of the head-mounted display apparatus may be detected by a sensor provided in the head-mounted display apparatus described above. For example, the sensor may be an IMU sensor. For another example, the sensor may be a proximity sensor disposed on the head-mounted display device on a side close to the head of the user. Therefore, when the head-mounted display device is not worn by a wearing user, the amplified code scanning image can be automatically displayed in the code scanning amplification page.
In some optional implementation manners of some embodiments, the execution main body may display, in the code-scanning magnified page, scanning prompt information corresponding to the code-scanning device at a preset position corresponding to the magnified image. The preset position may be a preset position corresponding to the enlarged image. For example, the preset position may be above the enlarged image. Here, the specific setting of the preset position is not limited. The scan prompt information may be information for prompting the wearing user how to scan the enlarged image. For example, the scan prompt message may be "take off the glasses and scan directly with a mobile phone". Therefore, the scanning prompt information can prompt the user how to scan the amplified code scanning image.
In some optional implementations of some embodiments, first, the execution body may adjust the display brightness of the head-mounted display device to a target brightness. The target brightness may be a brightness suitable for scanning. Here, the target brightness may be preset or may be automatically determined according to a brightness automatic adjustment algorithm. The target brightness may be less than the display brightness of the head-mounted display device. The scancode magnification page may then be displayed in the head-mounted display device described above. Therefore, the display brightness of the adjusted head-mounted display device can be more suitable for code scanning.
Optionally, the executing body may restore the display brightness of the head-mounted display device in response to detecting a closing operation applied to the code-scanning zoom-in page. The closing operation may be an operation of closing the code-scanning enlarged page. Therefore, the display brightness of the head-mounted display device can be automatically recovered after the code scanning.
Optionally, the executing entity may send the target code-scanning image to a cloud storage associated with a user account. The code scanning device can be configured to acquire the target code scanning image through the cloud storage. Specifically, the executing agent may send the target code-scanning image to a cloud storage associated with a user account. If the user logs in the user account on the mobile phone, the target code scanning image can be acquired and downloaded from the cloud storage through the mobile phone, and the user can be identified through a code scanning program (such as a two-dimensional code identification program) built in the mobile phone. Therefore, a user can directly obtain a target code scanning image in the code scanning device, and directly scans codes according to the image through a code scanning mode built in the code scanning device, so that another alternative code scanning mode is provided for the user. The user can select one of the code scanning modes to process according to the operation habit of the user, and the user experience is improved. In an optional embodiment, this step may also be performed independently of the other steps, that is, when the execution subject determines the target code scanning image, after the target code scanning image is sent to a cloud storage associated with a user account, since the user may directly obtain the target code scanning image from the cloud storage through a code scanning device, the target code scanning image may not need to be amplified and displayed according to the setting, the operating habits, the product design logic, and other goals of the user.
The above embodiments of the present disclosure have the following advantages: by the code scanning image information display method of some embodiments of the disclosure, the time consumed by user operation is reduced, and the user operation steps are simplified. Specifically, the reasons that the operation of the user takes a long time and the operation steps are complicated are as follows: by means of a short message verification code of a mobile phone, the short message verification code needs to be waited, and the short message verification code needs to be manually input after the short message verification code is received, so that the time consumption of user operation is long, and the user operation steps are complicated; the account password is required to be manually input in an account password input mode, so that the operation steps of a user are complicated. Based on this, the code-scanning image information display method of some embodiments of the present disclosure first determines a target code-scanning image according to a code-scanning page displayed in a head-mounted display device. At least one code scanning image is displayed in the code scanning page. Thus, the code scanning image which needs to be scanned currently can be determined from at least one code scanning image displayed in the code scanning page. And then, amplifying the target code scanning image to obtain an amplified image corresponding to the target code scanning image. Therefore, the scanning code image which needs to be scanned currently can be amplified. And finally, displaying a code scanning and amplifying page in the head-mounted display equipment. Wherein the magnified image is displayed in the code-scanning magnified page such that the magnified image displayed in the head-mounted display device is suitable for being scanned by an image pickup device of the code-scanning device independent of the head-mounted display device. Thus, the enlarged code-scanned image can be displayed in the code-scanned enlarged page. Therefore, the amplified code scanning image displayed in the head-mounted display equipment can be scanned through the camera device of the code scanning equipment so as to execute application operation corresponding to the code scanning image. The amplified code scanning image displayed in the head-mounted display equipment can be directly scanned by the camera device of the code scanning equipment, so that a user does not need to manually input a short message verification code or an account password, time consumed by user operation is reduced, and user operation steps are simplified.
With further reference to FIG. 4, a flow 400 of further embodiments of a method of code-scanned image information display is illustrated. The process 400 of the code-scanning image information display method includes the following steps:
In some embodiments, an executing subject of the code scanning image information display method (for example, the intelligent terminal 12 or the head-mounted display device 11 shown in fig. 1) may perform code scanning image recognition on the code scanning page. In practice, the executing body may perform code scanning image recognition on the code scanning page through an image recognition algorithm to recognize each code scanning image displayed in the code scanning page.
And 402, in response to the fact that the number of the identified code scanning images is larger than a preset value, intercepting each identified code scanning image from a code scanning page to obtain a screenshot code scanning image set.
In some embodiments, the executing agent may intercept each of the identified code-scanned images from the code-scanned page to obtain a set of screenshot code-scanned images in response to determining that the number of the identified code-scanned images is greater than a preset number. Wherein, the preset value can be 1. In practice, the execution main body may intercept the screenshot according to the frame of the code scanning image to obtain the screenshot code scanning image.
In some optional implementations of some embodiments, the executing body may intercept each of the identified code-scanned images from the code-scanned page by:
the method comprises the following steps of firstly, determining the sum of the image width of the identified code scanning image and a preset width as a clipping width. The preset width may be a preset width.
And secondly, determining the sum of the image height of the code scanning image and a preset height as a cutting height. The preset height may be a preset height.
And thirdly, intercepting the identified code scanning image from the code scanning page according to the intercepting width and the intercepting height to obtain a screenshot code scanning image. Therefore, the screenshot can be performed beyond the boundary of the code scanning image, so that the screenshot code scanning image has image characteristics except the code scanning image, and a user can distinguish when selecting the code scanning image conveniently.
And 403, displaying all screenshot code scanning images in the screenshot code scanning image set.
In some embodiments, the executing subject may display each screenshot scan image in the screenshot scan image set. In practice, the execution main body may display the screenshot scan images according to a preset arrangement layout. For example, the preset arrangement layout may be a 4 × N arrangement layout, and may represent an arrangement layout with 4 rows and N columns. And all the displayed screenshot code scanning images can be selected by a user.
In some optional implementations of some embodiments, the executing subject may display each screenshot scan image in the screenshot scan image set by:
firstly, labeling each identified code scanning image in the code scanning page screenshot of the code scanning page to obtain a labeled code scanning page screenshot. And displaying the image annotation information corresponding to each code scanning image in the marked code scanning page screenshot. The screen shot of the code scanning page may be a screen shot of the code scanning page. In practice, the executing body may mark, at the position of each code scanning image identified in the code scanning page screenshot, image marking information corresponding to the code scanning image. For example, when the code-scanned image is the first code-scanned image identified, the image annotation information corresponding to the code-scanned image may be 1. When the code-scanned image is the second identified code-scanned image, the image tag information corresponding to the code-scanned image may be 2. The position of the annotation information of the annotation image can be the upper left corner of the code scanning image. Here, the specific setting of the position of the annotation information of the annotation image is not limited.
And secondly, displaying the marked code scanning page screenshot, the screenshot code scanning image set and the image marking information in the head-mounted display equipment. And the screenshot code scanning image in the screenshot code scanning image set is correspondingly displayed with the image annotation information in the image annotation information. In practice, the execution main body may display the post-annotation code-scanning page screenshot on a left side of a display space of the head-mounted display device, and display each screenshot code-scanning image in the screenshot code-scanning image set and image annotation information corresponding to the screenshot code-scanning image on a right side of the post-annotation code-scanning page screenshot according to a preset arrangement layout. The image annotation information can be correspondingly displayed on the upper left corner of the screenshot code scanning image. Therefore, the user can distinguish the screenshot code scanning images through different image annotation information.
In response to detecting the selection operation acting on the displayed arbitrary screenshot code scanning image, the code scanning image corresponding to the arbitrary screenshot code scanning image is determined as the target code scanning image, step 404.
In some embodiments, the executing body may determine, as the target scan image, a scan image corresponding to the arbitrary screenshot scan image in response to detecting the selection operation applied to the displayed arbitrary screenshot scan image. Thus, when a plurality of code scanning images exist in the code scanning page, the code scanning image selected by the user can be determined as the target code scanning image.
And 405, amplifying the target code scanning image to obtain an amplified image corresponding to the target code scanning image.
In some embodiments, specific implementation of steps 405 to 406 and technical effects brought by the implementation may refer to steps 202 to 203 in those embodiments corresponding to fig. 2, which are not described herein again.
As can be seen from fig. 4, compared with the description of some embodiments corresponding to fig. 2, the process 400 of the code-scanning image information displaying method in some embodiments corresponding to fig. 4 embodies the step of extending the determined target code-scanning image. Thus, the solutions described in the embodiments can determine the code scanning image selected by the user as the target code scanning image when there are multiple code scanning images in the code scanning page.
With further reference to fig. 5, as an implementation of the methods shown in the above figures, the present disclosure provides some embodiments of a code-scanning image information display apparatus, which correspond to those shown in fig. 2, and which may be applied in various electronic devices.
As shown in fig. 5, the code-scanning image information display apparatus 500 of some embodiments includes: a determination unit 501, an enlargement unit 502, and a display unit 503. The determining unit 501 is configured to determine a target code scanning image according to a code scanning page displayed in the head-mounted display device, wherein at least one code scanning image is displayed in the code scanning page; the amplifying unit 502 is configured to amplify the target code scanning image to obtain an amplified image corresponding to the target code scanning image; the display unit 503 is configured to display a scannable page in the head-mounted display apparatus, where the magnified image is displayed in the scannable page, so that the magnified image displayed in the head-mounted display apparatus is suitable for being scanned by an image pickup device of the scannable apparatus independent of the head-mounted display apparatus.
Optionally, the amplifying unit 502 may be further configured to: and amplifying the target code scanning image by the target multiple in an equal ratio to obtain an amplified image corresponding to the target code scanning image.
Optionally, the display unit 503 may be further configured to: and displaying a code scanning and amplifying page in the head-mounted display equipment in response to the fact that the key operation record of at least one target key acting on the intelligent terminal in communication connection with the head-mounted display equipment meets the preset operation condition.
Optionally, the display unit 503 may be further configured to: and in response to detecting that the head-mounted display equipment is in an unworn state, displaying a code scanning magnification page in the head-mounted display equipment.
Optionally, a menu bar is further displayed in the code scanning page, and the menu bar includes a code scanning image obtaining control.
Optionally, the determining unit 501 may be further configured to: and in response to the detection of the selection operation acting on the code scanning image acquisition control, determining a target code scanning image according to a code scanning page displayed in the head-mounted display equipment.
Optionally, the display unit 503 may be further configured to: and displaying scanning prompt information corresponding to the code scanning equipment at a preset position corresponding to the amplified image in the code scanning amplification page.
Optionally, the display unit 503 may be further configured to: the above-mentioned display sweep a yard magnification page in above-mentioned head mounted display device includes: adjusting the display brightness of the head-mounted display equipment to a target brightness; and displaying a code scanning magnification page in the head-mounted display device.
Optionally, the code-scanning image information display apparatus 500 may further include: and a restoring unit (not shown in the figure) configured to restore the display brightness of the head-mounted display device in response to detection of a closing operation acting on the code-scan magnified page.
Alternatively, before the display unit 503, the code scanning image information display apparatus 500 may further include: a permanent closing information determining unit, a code scanning and amplifying prompt window display unit, a permanent closing information generating unit and a storage unit (not shown in the figure). Wherein the persistent close information determination unit is configured to determine whether persistent close information corresponding to the sweep code magnification prompt window exists. The code scanning amplification prompt window display unit is configured to display a code scanning amplification prompt window in the head-mounted display device in response to determining that the persistent closing information corresponding to the code scanning amplification prompt window does not exist, wherein the code scanning amplification prompt window displays the amplification operation prompt information and the persistent closing prompt control. The persistent closing information generating unit is configured to generate persistent closing information corresponding to the code-scanning amplification prompt window in response to detecting a selection operation acting on the persistent closing prompt control. The storage unit is configured to store the generated persistent shutdown information.
Optionally, the determining unit 501 may be further configured to: carrying out code scanning image identification on the code scanning page; in response to the fact that the number of the identified code scanning images is larger than a preset value, intercepting each identified code scanning image from the code scanning page to obtain a screenshot code scanning image set; displaying each screenshot code scanning image in the screenshot code scanning image set; and in response to the detection of the selection operation acting on the displayed arbitrary screenshot code scanning image, determining the code scanning image corresponding to the arbitrary screenshot code scanning image as a target code scanning image.
Optionally, the determining unit 501 may be further configured to: determining the sum of the image width of the code scanning image and a preset width as a cutting width; determining the sum of the image height of the identified code scanning image and a preset height as an intercepting height; and intercepting the identified code scanning image from the code scanning page according to the intercepting width and the intercepting height to obtain a screenshot code scanning image.
Optionally, the determining unit 501 may be further configured to: labeling each identified code scanning image in a code scanning page screenshot of the code scanning page to obtain a labeled code scanning page screenshot, wherein each image label information corresponding to each code scanning image is displayed in the labeled code scanning page screenshot; and displaying the marked code scanning page screenshot, the screenshot code scanning image set and the image annotation information in the head-mounted display equipment, wherein the screenshot code scanning image in the screenshot code scanning image set and the image annotation information in the image annotation information are correspondingly displayed.
Optionally, the code-scanning image information display apparatus 500 may further include: and a sending unit (not shown in the figure) configured to send the target code scanning image to a cloud storage associated with a user account, wherein the code scanning device is configured to acquire the target code scanning image through the cloud storage.
It will be understood that the elements described in the apparatus 500 correspond to various steps in the method described with reference to fig. 2. Thus, the operations, features and advantages described above with respect to the method are also applicable to the apparatus 500 and the units included therein, and are not described herein again.
Referring now to fig. 6, a block diagram of an electronic device 600 (e.g., the intelligent terminal of fig. 1) suitable for use in implementing some embodiments of the present disclosure is shown. The electronic device shown in fig. 6 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present disclosure.
As shown in fig. 6, the electronic device 600 may include a processing means 601 (e.g., a central processing unit, a graphics processor, etc.) that may perform various appropriate actions and processes in accordance with a program stored in a Read Only Memory (ROM) 602 or a program loaded from a storage means 608 into a Random Access Memory (RAM) 603. In the RAM 603, various programs and data necessary for the operation of the electronic apparatus 600 are also stored. The processing device 601, the ROM 602, and the RAM 603 are connected to each other via a bus 604. An input/output (I/O) interface 605 is also connected to bus 604.
Generally, the following devices may be connected to the I/O interface 605: input devices 606 including, for example, a touch screen, touch pad, keyboard, mouse, camera, microphone, accelerometer, gyroscope, etc.; output devices 607 including, for example, a Liquid Crystal Display (LCD), a speaker, a vibrator, and the like; and a communication device 609. The communication means 609 may allow the electronic device 600 to communicate with other devices wirelessly or by wire to exchange data. While fig. 6 illustrates an electronic device 600 having various means, it is to be understood that not all illustrated means are required to be implemented or provided. More or fewer devices may alternatively be implemented or provided. Each block shown in fig. 6 may represent one device or may represent multiple devices as desired.
In particular, according to some embodiments of the present disclosure, the processes described above with reference to the flow diagrams may be implemented as computer software programs. For example, some embodiments of the present disclosure include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method illustrated in the flow chart. In some such embodiments, the computer program may be downloaded and installed from a network through the communication device 609, or installed from the storage device 608, or installed from the ROM 602. The computer program, when executed by the processing device 601, performs the above-described functions defined in the methods of some embodiments of the present disclosure.
It should be noted that the computer readable medium described in some embodiments of the present disclosure may be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In some embodiments of the disclosure, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In some embodiments of the present disclosure, however, a computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: electrical wires, optical cables, RF (radio frequency), etc., or any suitable combination of the foregoing.
In some embodiments, the clients, servers may communicate using any currently known or future developed network Protocol, such as HTTP (HyperText Transfer Protocol), and may be interconnected with any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include a local area network ("LAN"), a wide area network ("WAN"), the Internet (e.g., the Internet), and peer-to-peer networks (e.g., ad hoc peer-to-peer networks), as well as any currently known or future developed network.
The computer readable medium may be embodied in the electronic device; or may exist separately without being assembled into the electronic device. The computer readable medium carries one or more programs which, when executed by the electronic device, cause the electronic device to: determining a target code scanning image according to a code scanning page displayed in head-mounted display equipment, wherein at least one code scanning image is displayed in the code scanning page; amplifying the target code scanning image to obtain an amplified image corresponding to the target code scanning image; displaying a code-scanning magnified page in the head-mounted display device, wherein the magnified image is displayed in the code-scanning magnified page, so that the magnified image displayed in the head-mounted display device is suitable for being scanned by a camera device of the code-scanning device independent of the head-mounted display device.
Computer program code for carrying out operations for embodiments of the present disclosure may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, smalltalk, C + +, and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units described in some embodiments of the present disclosure may be implemented by software or hardware. The described units may also be provided in a processor, and may be described as: a processor includes a determination unit, an amplification unit, and a display unit. Here, the names of the units do not constitute a limitation to the unit itself in some cases, and for example, the determination unit may also be described as a "unit that determines a target code-scanned image from a code-scanned page displayed in the head-mounted display device".
The functions described herein above may be performed, at least in part, by one or more hardware logic components. For example, without limitation, exemplary types of hardware logic components that may be used include: field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), systems on a chip (SOCs), complex Programmable Logic Devices (CPLDs), and the like.
The foregoing description is only exemplary of the preferred embodiments of the disclosure and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention in the embodiments of the present disclosure is not limited to the specific combination of the above-mentioned features, but also encompasses other embodiments in which any combination of the above-mentioned features or their equivalents is made without departing from the inventive concept as defined above. For example, the above features and (but not limited to) technical features with similar functions disclosed in the embodiments of the present disclosure are mutually replaced to form the technical solution.
Claims (16)
1. A code-scanning image information display method comprises the following steps:
determining a target code scanning image according to a code scanning page displayed in head-mounted display equipment, wherein at least one code scanning image is displayed in the code scanning page;
amplifying the target code scanning image to obtain an amplified image corresponding to the target code scanning image;
displaying a bar code scan magnification page in the head mounted display device, wherein the bar code scan magnification page displays the magnified image therein such that the magnified image displayed in the head mounted display device is suitable for being scanned by an image pickup device of the bar code scan device independent of the head mounted display device.
2. The method of claim 1, wherein the magnifying the target code-scanned image to obtain a magnified image corresponding to the target code-scanned image comprises:
and amplifying the target code scanning image by a target multiple in an equal ratio to obtain an amplified image corresponding to the target code scanning image.
3. The method of claim 1, wherein the displaying a scancode magnified page in the head mounted display device comprises:
and displaying a code scanning and amplifying page in the head-mounted display equipment in response to the fact that the key operation record of at least one target key acting on the intelligent terminal in communication connection with the head-mounted display equipment meets the preset operation condition.
4. The method of claim 1, wherein the displaying a scanplan magnification page in the head mounted display device comprises:
in response to detecting that the head mounted display device is in an unworn state, displaying a scancode magnification page in the head mounted display device.
5. The method of claim 1, wherein a menu bar is further displayed in the code-scanned page, the menu bar including a code-scanned image acquisition control; and
the determining a target code scanning image according to the code scanning page displayed in the head-mounted display device includes:
and in response to detecting the selection operation acting on the code scanning image acquisition control, determining a target code scanning image according to a code scanning page displayed in the head-mounted display device.
6. The method of any of claims 1-5, wherein the displaying a swipe zoom page in the head mounted display device comprises:
and displaying scanning prompt information corresponding to the code scanning equipment at a preset position corresponding to the amplified image in the code scanning amplification page.
7. The method of any of claims 1-5, wherein the displaying a swipe zoom page in the head mounted display device comprises:
adjusting the display brightness of the head-mounted display device to a target brightness;
displaying a bar code magnification page in the head mounted display device.
8. The method of claim 7, wherein the method further comprises:
restoring the display brightness of the head-mounted display device in response to detecting a closing operation acting on the bar-scan magnified page.
9. The method of claim 1, prior to the displaying a scanplan magnified page in the head mounted display device, the method further comprising:
determining whether persistent closing information corresponding to the code scanning amplification prompt window exists or not;
in response to determining that there is no persistent close information corresponding to a code scanning magnification prompt window, displaying a code scanning magnification prompt window in the head-mounted display device, wherein magnification operation prompt information and a persistent close prompt control are displayed in the code scanning magnification prompt window;
in response to detecting the selection operation acting on the persistent close prompt control, generating persistent close information corresponding to a code scanning and amplifying prompt window;
storing the generated persistent shutdown information.
10. The method of claim 1, wherein the determining a target code-scanned image from a code-scanned page displayed in a head-mounted display device comprises:
carrying out code scanning image identification on the code scanning page;
in response to determining that the number of the identified code-scanning images is greater than a preset value, intercepting each identified code-scanning image from the code-scanning page to obtain a screenshot code-scanning image set;
displaying each screenshot code scanning image in the screenshot code scanning image set;
in response to detecting a selection operation acting on any displayed screenshot code scanning image, determining a code scanning image corresponding to the screenshot code scanning image as a target code scanning image.
11. The method of claim 10, wherein the truncating each identified code-scan image from the code-scan page comprises:
determining the sum of the image width of the code scanning image and a preset width as a cutting width;
determining the sum of the image height of the identified code scanning image and a preset height as an intercepting height;
and intercepting the identified code scanning image from the code scanning page according to the intercepting width and the intercepting height to obtain a screenshot code scanning image.
12. The method of claim 10, wherein the displaying each screenshot scan image of the set of screenshot scan images comprises:
labeling each identified code scanning image in a code scanning page screenshot of the code scanning page to obtain a labeled code scanning page screenshot, wherein each image labeling information corresponding to each code scanning image is displayed in the labeled code scanning page screenshot;
and displaying the marked code scanning page screenshot, the screenshot code scanning image set and the image annotation information in the head-mounted display equipment, wherein the screenshot code scanning images in the screenshot code scanning image set and the image annotation information in the image annotation information are correspondingly displayed.
13. The method of claim 1, wherein the method further comprises:
sending the target code scanning image to a cloud storage associated with a user account, wherein the code scanning device is configured to acquire the target code scanning image through the cloud storage.
14. A code-scanning image information display apparatus comprising:
a determination unit configured to determine a target code scanning image according to a code scanning page displayed in a head-mounted display device, wherein at least one code scanning image is displayed in the code scanning page;
the amplifying unit is configured to amplify the target code scanning image to obtain an amplified image corresponding to the target code scanning image;
a display unit configured to display a scanogram magnified page in the head-mounted display device, wherein the magnified image is displayed in the scanogram magnified page such that the magnified image displayed in the head-mounted display device is suitable for being scanned by an image pickup device of the scanogram device independent of the head-mounted display device.
15. An electronic device, comprising:
one or more processors;
a storage device having one or more programs stored thereon,
when executed by the one or more processors, cause the one or more processors to implement the method of any one of claims 1-13.
16. A computer-readable medium, on which a computer program is stored, wherein the computer program, when being executed by a processor, carries out the method according to any one of claims 1-13.
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