CN111722722A - File preview method supporting AR, electronic equipment and storage medium - Google Patents
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- 239000011159 matrix material Substances 0.000 claims description 22
- 230000003190 augmentative effect Effects 0.000 claims description 3
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- 238000010586 diagram Methods 0.000 description 9
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- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/16—File or folder operations, e.g. details of user interfaces specifically adapted to file systems
- G06F16/168—Details of user interfaces specifically adapted to file systems, e.g. browsing and visualisation, 2d or 3d GUIs
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- G—PHYSICS
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Abstract
The invention discloses a file preview method supporting AR, an electronic device and a computer readable storage medium, firstly measuring the area of a real view finding space in front of the electronic device; determining a file to be previewed, and calculating a spatial perspective relation according to the measured area of the real viewing space and the file to be previewed; and then projecting the virtual image of the file to be previewed to the real viewing space according to the calculated spatial perspective relation.
Description
Technical Field
The present invention relates to Augmented Reality (AR) technologies, and in particular, to an AR-enabled file preview method, an electronic device, and a computer-readable storage medium.
Background
When the prior art previews files in forms of ppt, pdf or word, the pages of the files are too many, so that the pages to be previewed cannot be found quickly. In addition, when previewing a large poster effect map, the actual effect of the poster cannot be visually seen on the display interface of the electronic device.
Disclosure of Invention
In order to solve the problem that the actual effect cannot be intuitively previewed in the conventional file previewing, the embodiment of the invention creatively provides a file previewing method supporting AR, electronic equipment and a computer-readable storage medium.
According to a first aspect of the present invention, there is provided an AR-enabled file preview method, applied to an electronic device, the method including: measuring an area of a real viewing space, the real viewing space being located in front of an electronic device; determining a file to be previewed; calculating a spatial perspective relation according to the measured area of the real viewing space and the file to be previewed; and projecting the virtual image of the file to be previewed to the real viewing space according to the calculated spatial perspective relation.
According to an embodiment of the present invention, the calculating a spatial perspective relationship according to the measured area of the real viewing space and the file to be previewed includes: determining the virtual image area corresponding to the file to be previewed; calculating the size ratio between the measured area of the real viewing space and the virtual image area corresponding to the file to be previewed; and determining the size ratio as a spatial perspective relation.
According to an embodiment of the present invention, the file to be previewed includes a plurality of page files; determining the virtual image area corresponding to the file to be previewed, including: determining the virtual image area of a tiled matrix formed by the plurality of page files according to a specific tiled parameter; correspondingly, calculate the size ratio between the area in the real viewing space that measures and the virtual image area that the file of waiting to preview corresponds the two, include: calculating a size ratio between the measured area of the real viewing space and a virtual image area of a tiled matrix formed by the plurality of pagefiles.
According to an embodiment of the present invention, projecting a virtual image of the file to be previewed onto the real viewing space according to the calculated spatial perspective relationship includes: and according to the calculated spatial perspective relation, projecting virtual images of a plurality of page files of the file to be previewed to the real viewing space in a tiled matrix form according to the specific tiled parameters.
According to an embodiment of the present invention, the calculating a spatial perspective relationship according to the measured area of the real viewing space and the file to be previewed includes: determining the actual area of the real object corresponding to the file to be previewed; when the actual area is smaller than the area of the real viewing space, calculating the size ratio between the actual area and the virtual image area corresponding to the file to be previewed; and determining the size ratio as a spatial perspective relation.
According to an embodiment of the present invention, projecting a virtual image of the file to be previewed onto the real viewing space according to the calculated spatial perspective relationship includes: and projecting the virtual image of the file to be previewed to the real viewing space according to the calculated spatial perspective relation in the area size of the real object.
According to a second aspect of the present invention, there is also provided an electronic apparatus, comprising: the measuring module is used for measuring the area of a real viewing space, and the real viewing space is positioned in front of the electronic equipment; the determining module is used for determining a file to be previewed; the calculation module is used for calculating a spatial perspective relation according to the measured area of the real viewing space and the file to be previewed; and the projection module is used for projecting the virtual image of the file to be previewed to the real viewing space according to the calculated space perspective relation.
According to an embodiment of the invention, the calculation module comprises: the determining unit is used for determining the virtual image area corresponding to the file to be previewed; the calculation unit is used for calculating the size ratio between the measured area of the real viewing space and the virtual image area corresponding to the file to be previewed; the determining unit is further configured to determine the size ratio as a spatial perspective relationship.
According to an embodiment of the present invention, the file to be previewed includes a plurality of page files; the determining unit is specifically configured to determine, according to a specific tiling parameter, a virtual image area of a tiling matrix formed by the plurality of page files; correspondingly, the calculating unit is specifically configured to calculate a size ratio between the measured area of the real viewing space and a virtual image area of a tiled matrix formed by the plurality of pagefiles.
According to an embodiment of the present invention, the projection module is specifically configured to project, according to the calculated spatial perspective relationship, virtual images of a plurality of page files of the file to be previewed onto the real viewing space in a form of a tiled matrix according to the specific tiled parameter.
According to an embodiment of the invention, the calculation module comprises: the determining unit is used for determining the actual area of the real object corresponding to the file to be previewed; the calculation unit is used for calculating the size ratio between the actual area and the virtual image area corresponding to the file to be previewed when the actual area is smaller than the area of the real viewing space; the determining unit is further configured to determine the size ratio as a spatial perspective relationship.
According to an embodiment of the present invention, the projection module is specifically configured to project the virtual image of the file to be previewed onto the real viewing space in the size of the area of the real object according to the calculated spatial perspective relationship.
According to a third aspect of the present invention there is also provided a computer-readable storage medium comprising a set of computer-executable instructions which, when executed, are operable to perform any of the AR-enabled file preview methods described above.
The file preview method, the electronic device and the computer readable storage medium supporting AR in the embodiment of the invention firstly measure the area of the real viewing space in front of the electronic device; determining a file to be previewed, and calculating a spatial perspective relation according to the measured area of the real viewing space and the file to be previewed; and then projecting the virtual image of the file to be previewed to the real viewing space according to the calculated spatial perspective relation. Therefore, the virtual image of the file to be previewed can be projected onto the real viewing space by means of the AR technology through the space perspective relation determined by the area of the real viewing space and the file to be previewed, so that the actual effect of previewing the file in advance is achieved, and the file previewing experience of a user is effectively improved.
It is to be understood that the teachings of the present invention need not achieve all of the above-described benefits, but rather that specific embodiments may achieve specific technical results, and that other embodiments of the present invention may achieve benefits not mentioned above.
Drawings
The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the invention are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:
in the drawings, the same or corresponding reference numerals indicate the same or corresponding parts.
FIG. 1 is a first flowchart illustrating an implementation flow of a file preview method supporting AR according to an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating a second implementation flow of the file preview method supporting AR according to the embodiment of the present invention;
FIG. 3 is a diagram illustrating the file preview effect of AR supported by an application example of the present invention;
FIG. 4 is a schematic diagram illustrating a third implementation flow of the file preview method supporting AR according to the embodiment of the present invention;
FIG. 5 is a diagram illustrating the file preview effect of AR supported by another embodiment of the present invention;
fig. 6 is a schematic diagram showing a composition structure of an electronic device according to an embodiment of the present invention.
Detailed Description
The principles and spirit of the present invention will be described with reference to a number of exemplary embodiments. It is understood that these embodiments are given only to enable those skilled in the art to better understand and to implement the present invention, and do not limit the scope of the present invention in any way. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The technical solution of the present invention is further elaborated below with reference to the drawings and the specific embodiments.
Fig. 1 is a schematic flow chart illustrating an implementation flow of a file preview method supporting AR according to an embodiment of the present invention.
Referring to fig. 1, a file preview method supporting AR in an embodiment of the present invention is applied to an electronic device, and the method includes: an operation 101 of measuring an area of a real view space; operation 102, determining a file to be previewed; operation 103, calculating a spatial perspective relationship according to the measured area of the real viewing space and the file to be previewed; and operation 104, projecting a virtual image of the file to be previewed onto the real viewing space according to the calculated spatial perspective relation.
In operation 101, a real viewing space is generally located in front of an electronic device. In order to facilitate and support the actual preview effect of AR quickly, a space directly in front of the electronic device is generally selected as the real viewing space. Specifically, the area of the real view space may be measured by acquiring data of the real view space through a camera, a gyroscope, or a sensor mounted on the electronic device.
At operation 102, the file to be previewed may be a file in a form such as ppt, pdf, or word. The file to be previewed may be a stored file local to the electronic device, or a file viewed or previewed on-line by the electronic device in real time.
In operations 103-104, the implementation scheme of calculating the spatial perspective relationship according to the measured area of the real viewing space and the file to be previewed is closely related to the file preview mode. Further, after the spatial perspective relationship is obtained through calculation, the virtual image of the file to be previewed can be projected to the real viewing space.
Specifically, in operation 103, a virtual image area corresponding to the file to be previewed may be determined first; and then calculating the size ratio between the measured area of the real viewing space and the virtual image area corresponding to the file to be previewed, and determining the size ratio as a space perspective relation.
In an example, when a file of multiple pages needs to be tiled for preview, a size ratio between the measured area of the real viewing space and a virtual image area of a tiled matrix formed by the multiple pages of files is calculated as a spatial perspective relationship.
In another example, when a file such as a poster or a photo to be printed needs to be tiled and unfolded for preview according to an actual size, the size ratio between the actual area of the real object corresponding to the file to be previewed and the virtual image area corresponding to the file to be previewed is calculated as the spatial perspective relationship.
According to the file preview method supporting the AR, the virtual image of the file to be previewed can be projected onto the real viewing space by means of the AR technology through the space perspective relation determined by the area of the real viewing space and the file to be previewed, so that the actual effect of previewing the file in advance is achieved, and the file preview experience of a user is effectively improved.
FIG. 2 is a schematic diagram illustrating a second implementation flow of the file preview method supporting AR according to the embodiment of the present invention;
FIG. 3 is a diagram illustrating the file preview effect of AR supported by an application example of the present invention.
Referring to fig. 2, the file preview method supporting AR in the embodiment of the present invention includes: an operation 201 of measuring an area of a real view finding space, the real view finding space being located in front of an electronic device; operation 202, determining a file to be previewed, wherein the file to be previewed comprises a plurality of page files; operation 203, determining a virtual image area of a tiled matrix formed by a plurality of page files according to a specific tiled parameter; in operation 204, calculating a size ratio between the measured area of the real viewing space and a virtual image area of a tiled matrix formed by the plurality of page files, and determining the size ratio as a spatial perspective relationship; and in operation 205, projecting virtual images of the multiple page files of the file to be previewed onto the real viewing space in the form of a tiled matrix according to the specific tiled parameters according to the calculated spatial perspective relationship.
In operation 201, a real viewing space is generally located in front of an electronic device. In order to facilitate and support the actual preview effect of AR quickly, a space directly in front of the electronic device is generally selected as the real viewing space. Specifically, the area of the real view space may be measured by acquiring data of the real view space through a camera, a gyroscope, or a sensor mounted on the electronic device.
In operation 202, the file to be previewed includes a plurality of page files, as shown in fig. 3, the file to be previewed is 25 ppt pages with a tile parameter of 5 × 5.
In operations 203-204, a virtual image area of a tiled matrix formed by a plurality of page files is determined according to a specific tiling parameter, such as 5 × 5; then, the size ratio between the measured area of the real viewing space and the virtual image area of the tiled matrix formed by the plurality of page files is calculated, and the size ratio is determined as the spatial perspective relationship.
In operation 205, virtual images of a plurality of pagefiles of a file to be previewed are projected onto the real viewing space in the form of a tiled matrix according to the calculated spatial perspective relationship and specific tiling parameters, so as to form a preview effect as shown in fig. 3.
Therefore, according to the method and the device, the page files are displayed in the real viewing space in the form of the tiled matrix according to the size of the real viewing space, so that a user can conveniently preview the page files at the same time, and the previewing efficiency is improved.
FIG. 4 is a schematic diagram illustrating a third implementation flow of the file preview method supporting AR according to the embodiment of the present invention; FIG. 5 is a diagram illustrating the file preview effect of AR supported by another embodiment of the present invention.
Referring to fig. 4, the file preview method supporting AR in the embodiment of the present invention includes: an operation 401 of measuring an area of a real view space, the real view space being located in front of an electronic device; operation 402, determining a file to be previewed; operation 403, determining an actual area of the real object corresponding to the file to be previewed; in operation 404, when the actual area is smaller than the area of the real viewing space, calculating a size ratio between the actual area and a virtual image area corresponding to the file to be previewed, and determining the size ratio as a spatial perspective relationship; in operation 405, according to the calculated spatial perspective relationship, a virtual image of the file to be previewed is projected onto the real viewing space in the size of the area of the real object.
In operation 401, the real viewing space is generally located in front of the electronic device. In order to facilitate and support the actual preview effect of AR quickly, a space directly in front of the electronic device is generally selected as the real viewing space. Specifically, the area of the real view space may be measured by acquiring data of the real view space through a camera, a gyroscope, or a sensor mounted on the electronic device.
In operation 402, the file to be previewed is a file such as a poster or a photo that needs to be printed, so before printing, the file needs to be previewed in a way of being tiled and displayed in the actual size of the real object corresponding to the file.
In operation 403-404, in order to preview a file such as a poster or a banner to be printed in a way of tiling and displaying the actual size of the file corresponding to a real object, first, the actual area of the file to be previewed corresponding to the real object needs to be determined; and after the actual area is further judged to be smaller than the area of the real viewing space, calculating the size ratio between the actual area and the virtual image area corresponding to the file to be previewed, and determining the size ratio as a space perspective relation.
In operation 405, a virtual image of a file to be previewed is projected onto the real viewing space in the size of the area of the real object according to the calculated spatial perspective relationship, so as to form a preview effect as shown in fig. 5.
Therefore, the invention can preview the actual printing effect in advance by means of AR before the printing of the jumbo poster or banner, thereby improving the previewing effect.
Similarly, based on the file preview method supporting AR described above, an embodiment of the present invention further provides a computer-readable storage medium, in which a program is stored, and when the program is executed by a processor, the processor is caused to perform at least the following operation steps: an operation 101 of measuring an area of a real view space; operation 102, determining a file to be previewed; operation 103, calculating a spatial perspective relationship according to the measured area of the real viewing space and the file to be previewed; and operation 104, projecting a virtual image of the file to be previewed onto the real viewing space according to the calculated spatial perspective relation.
Further, based on the file preview method supporting AR as described above, an embodiment of the present invention further provides an electronic device, as shown in fig. 6, where the electronic device 60 includes: a measuring module 601, configured to measure an area of a real viewing space, where the real viewing space is located in front of the electronic device; a determining module 602, configured to determine a file to be previewed; a calculating module 603, configured to calculate a spatial perspective relationship according to the measured area of the real viewing space and the file to be previewed; and the projection module 604 is configured to project a virtual image of the file to be previewed onto the real viewing space according to the calculated spatial perspective relationship.
According to an embodiment of the present invention, the calculation module 603 includes: the determining unit is used for determining the virtual image area corresponding to the file to be previewed; the calculation unit is used for calculating the size ratio between the measured area of the real viewing space and the virtual image area corresponding to the file to be previewed; the determining unit is further used for determining the size ratio as a spatial perspective relation.
According to one embodiment of the invention, the file to be previewed comprises a plurality of page files; the determining unit is specifically configured to determine, according to a specific tiling parameter, a virtual image area of a tiling matrix formed by the plurality of page files; correspondingly, the calculation unit is specifically configured to calculate a size ratio between the measured area of the real viewing space and a virtual image area of a tiled matrix formed by the plurality of pagefiles.
According to an embodiment of the present invention, the projecting module 604 is specifically configured to project, according to the calculated spatial perspective relationship, virtual images of multiple page files of a file to be previewed onto the real viewing space in a form of a tiled matrix according to the specific tiled parameter.
According to an embodiment of the present invention, the calculation module 603 includes: the determining unit is used for determining the actual area of the real object corresponding to the file to be previewed; the calculation unit is used for calculating the size ratio between the actual area and the virtual image area corresponding to the file to be previewed when the actual area is smaller than the area of the real viewing space; the determining unit is further used for determining the size ratio as a spatial perspective relation.
According to an embodiment of the present invention, the projecting module 604 is specifically configured to project a virtual image of a file to be previewed onto the real viewing space according to the calculated spatial perspective relationship, in the size of the area of the real object.
Here, it should be noted that: the above description of the embodiment of the electronic device is similar to the description of the embodiment of the method shown in fig. 1 to 5, and has similar beneficial effects to the embodiment of the method shown in fig. 1 to 5, and therefore, the description is omitted. For technical details that are not disclosed in the embodiment of the electronic device of the present invention, please refer to the description of the method embodiment shown in fig. 1 to 5 of the present invention for understanding, and therefore, for brevity, will not be described again.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units; can be located in one place or distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all the functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be separately regarded as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
Those of ordinary skill in the art will understand that: all or part of the steps for realizing the method embodiments can be completed by hardware related to program instructions, the program can be stored in a computer readable storage medium, and the program executes the steps comprising the method embodiments when executed; and the aforementioned storage medium includes: various media that can store program codes, such as a removable Memory device, a Read Only Memory (ROM), a magnetic disk, or an optical disk.
Alternatively, the integrated unit of the present invention may be stored in a computer-readable storage medium if it is implemented in the form of a software functional module and sold or used as a separate product. Based on such understanding, the technical solutions of the embodiments of the present invention may be essentially implemented or a part contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a removable storage device, a ROM, a magnetic or optical disk, or other various media that can store program code.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A file preview method supporting Augmented Reality (AR) is applied to an electronic device and comprises the following steps:
measuring an area of a real viewing space, the real viewing space being located in front of an electronic device;
determining a file to be previewed;
calculating a spatial perspective relation according to the measured area of the real viewing space and the file to be previewed;
and projecting the virtual image of the file to be previewed to the real viewing space according to the calculated spatial perspective relation.
2. The method of claim 1, wherein calculating a spatial perspective relationship from the measured area of the real viewing space and the file to be previewed comprises:
determining the virtual image area corresponding to the file to be previewed;
calculating the size ratio between the measured area of the real viewing space and the virtual image area corresponding to the file to be previewed;
and determining the size ratio as a spatial perspective relation.
3. The method of claim 2, wherein the document to be previewed comprises a plurality of pagefiles;
determining the virtual image area corresponding to the file to be previewed, including: determining the virtual image area of a tiled matrix formed by the plurality of page files according to a specific tiled parameter;
correspondingly, calculate the size ratio between the area in the real viewing space that measures and the virtual image area that the file of waiting to preview corresponds the two, include: calculating a size ratio between the measured area of the real viewing space and a virtual image area of a tiled matrix formed by the plurality of pagefiles.
4. The method of claim 3, wherein projecting the virtual image of the document to be previewed onto the real viewing space according to the calculated spatial perspective relationship comprises:
and according to the calculated spatial perspective relation, projecting virtual images of a plurality of page files of the file to be previewed to the real viewing space in a tiled matrix form according to the specific tiled parameters.
5. The method of claim 1, wherein calculating a spatial perspective relationship from the measured area of the real viewing space and the file to be previewed comprises:
determining the actual area of the real object corresponding to the file to be previewed;
when the actual area is smaller than the area of the real viewing space, calculating the size ratio between the actual area and the virtual image area corresponding to the file to be previewed;
and determining the size ratio as a spatial perspective relation.
6. The method of claim 5, wherein projecting the virtual image of the file to be previewed onto the real viewing space according to the calculated spatial perspective relationship comprises:
and projecting the virtual image of the file to be previewed to the real viewing space according to the calculated spatial perspective relation in the area size of the real object.
7. An electronic device, characterized in that the electronic device comprises:
the measuring module is used for measuring the area of a real viewing space, and the real viewing space is positioned in front of the electronic equipment;
the determining module is used for determining a file to be previewed;
the calculation module is used for calculating a spatial perspective relation according to the measured area of the real viewing space and the file to be previewed;
and the projection module is used for projecting the virtual image of the file to be previewed to the real viewing space according to the calculated space perspective relation.
8. The electronic device of claim 7, wherein the computing module comprises:
the determining unit is used for determining the virtual image area corresponding to the file to be previewed;
the calculation unit is used for calculating the size ratio between the measured area of the real viewing space and the virtual image area corresponding to the file to be previewed;
the determining unit is further configured to determine the size ratio as a spatial perspective relationship.
9. The electronic device of claim 8, wherein the file to be previewed comprises a plurality of pagefiles;
the determining unit is specifically configured to determine, according to a specific tiling parameter, a virtual image area of a tiling matrix formed by the plurality of page files;
correspondingly, the calculating unit is specifically configured to calculate a size ratio between the measured area of the real viewing space and a virtual image area of a tiled matrix formed by the plurality of pagefiles.
10. A computer-readable storage medium comprising a set of computer-executable instructions which, when executed, perform the method for previewing files supporting augmented reality AR of any one of claims 1 to 6.
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