CN111913343B - Panoramic image display method and device - Google Patents
Panoramic image display method and device Download PDFInfo
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- CN111913343B CN111913343B CN202010731366.1A CN202010731366A CN111913343B CN 111913343 B CN111913343 B CN 111913343B CN 202010731366 A CN202010731366 A CN 202010731366A CN 111913343 B CN111913343 B CN 111913343B
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- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B37/00—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe
- G03B37/04—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe with cameras or projectors providing touching or overlapping fields of view
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Abstract
The embodiment of the invention provides a panoramic image display method and a panoramic image display device, wherein the method comprises the following steps: synchronously displaying the panoramic image information in a global projection mode and a local projection mode; and when the visual angle conversion instruction is acquired, carrying out cooperative conversion on the global projection mode and the local projection mode of the panoramic image information according to the visual angle conversion instruction. The display is carried out by projection in various different modes, and on one hand, the display is carried out in a local projection mode which is most consistent with human vision; on the other hand, the panoramic image information is displayed in a global projection mode, so that the integrity of the panoramic image is ensured. The complementation of different projection modes is realized by using a mode of synchronous display of local projection and global projection, and a better panoramic image display method is realized. Meanwhile, when the visual angle is changed in any projection of synchronous display, the other corresponding projection can be cooperatively changed with the step, and the use feeling of a user is further effectively improved.
Description
Technical Field
The invention relates to the technical field of panoramic images, in particular to a panoramic image display method and device.
Background
Most of the existing panoramic photos display local information in a linear projection mode, because the linear projection mode is the projection mode which best accords with human vision.
However, the straight line projection has the disadvantage that the entire content of the panorama cannot be seen, and the user has to interact with a specific user to be able to see the entire content of the panorama. When the whole panoramic content cannot be seen, the user cannot effectively judge the viewing angle of the content to be viewed, and can judge the content only through multiple interactions. In the process of continuously trying to interact, it is possible that many views are not interesting to the user, thereby resulting in inefficient user interaction.
Therefore, how to better realize panoramic image display has become an urgent problem to be solved in the industry.
Disclosure of Invention
Embodiments of the present invention provide a method and an apparatus for displaying a panoramic image, so as to solve the technical problems mentioned in the foregoing background, or at least partially solve the technical problems mentioned in the foregoing background.
In a first aspect, an embodiment of the present invention provides a panoramic image display method, including:
synchronously displaying the panoramic image information in a global projection mode and a local projection mode;
and when the view angle conversion instruction is acquired, performing cooperative conversion on the global projection mode and the local projection mode of the panoramic image information according to the view angle conversion instruction.
More specifically, the step of synchronously displaying the panoramic image information in a global projection manner and a local projection manner specifically includes:
obtaining the overall projection of the panoramic image information according to the panoramic image information;
acquiring trigger event information, and generating a local projection according to the trigger event information;
the local projection is displayed in an overlapping manner on the global projection or the local projection and the global projection are displayed in parallel.
More specifically, the partial projection is a straight line projection.
More specifically, the global projection is a spherical polar plane projection, an equidistant cylindrical projection or an orthogonal projection.
More specifically, the view angle conversion instruction includes a view angle range conversion instruction and a view angle center conversion instruction.
More specifically, if the view angle transformation command is a view angle center transformation command, correspondingly, the step of performing cooperative transformation on the global projection mode and the local projection mode of the panoramic image information according to the view angle transformation command specifically includes:
changing the view angle center of the local projection according to the view angle center changing instruction to obtain the changed local projection;
and determining transformation position area information of the transformed local projection in the global projection, and marking the transformation position area information in the global projection to obtain the transformed global projection.
More specifically, if the view angle transformation command is a view angle range transformation command, correspondingly, the step of performing cooperative transformation on the global projection mode and the local projection mode of the panoramic image information according to the view angle transformation command further includes:
changing the view angle range of the local projection according to the view angle range conversion instruction to obtain the converted local projection;
and determining transformation position area information of the transformed local projection in the global projection, and marking the transformation position area information in the global projection to obtain the transformed global projection.
In a second aspect, an embodiment of the present invention provides a panoramic image display apparatus, including:
the synchronous display module is used for synchronously displaying the panoramic image information in a global projection mode and a local projection mode;
and the cooperative transformation module is used for performing cooperative transformation on the global projection mode and the local projection mode of the panoramic image information according to the view transformation instruction when the view transformation instruction is acquired.
In a third aspect, an embodiment of the present invention provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the steps of the panoramic image display method according to the first aspect when executing the program.
In a fourth aspect, an embodiment of the present invention provides a non-transitory computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, implements the steps of the panoramic image display method according to the first aspect.
According to the panoramic image display method and device provided by the embodiment of the invention, projection is performed in multiple different modes for display, the projection mode is ensured to be most consistent with human vision, meanwhile, panoramic image information is displayed in a global projection mode, the integrity of the panoramic image is ensured, the complementation of different projection modes is realized by using a local projection synchronous display mode, a better panoramic image display method is realized, and meanwhile, when the view angle is changed in any projection of synchronous display, the other corresponding projection is cooperatively changed in a stepping mode, so that the use experience of a user is further effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart illustrating a panoramic image display method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the cooperative transformation of the linear projection and the orthogonal projection according to an embodiment of the present invention;
FIG. 3 is a diagram illustrating a global projection according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a local projection of point A in a global projection according to an embodiment of the invention;
FIG. 5 is a diagram illustrating the overlay of local projection and global projection according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a global projection according to another embodiment of the present invention;
FIG. 7 is a partial perspective view of another embodiment of the present invention;
FIG. 8 is a diagram illustrating a parallel local projection and global projection according to another embodiment of the present invention;
FIG. 9 is a schematic diagram illustrating a panoramic photograph in a ball-pole planar projection manner according to an embodiment of the present invention;
FIG. 10 is a diagram illustrating a linear projection of the point A generated according to an embodiment of the present invention;
FIG. 11 is a schematic illustration of a superimposed display of a spheropole plane projection image and a rectilinear projection image, in accordance with an embodiment of the present invention;
FIG. 12 is a partial perspective view of a further embodiment of the present invention;
FIG. 13 is a schematic illustration of a local and global projection synchronization display as described in a further embodiment of the present invention;
FIG. 14 is a diagram illustrating a transformed panoramic image projection according to an embodiment of the present invention;
FIG. 15 is a schematic diagram illustrating a multi-projection overlay of a panoramic image according to an embodiment of the present invention;
FIG. 16 is a schematic structural diagram of a panoramic image display apparatus according to an embodiment of the present invention;
fig. 17 is a schematic structural diagram of an electronic device according to an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic flow chart of a panoramic image display method described in an embodiment of the present invention, as shown in fig. 1, including:
step S1, synchronously displaying the panoramic image information through a global projection mode and a local projection mode;
and step S2, when a view angle conversion instruction is acquired, carrying out cooperative conversion on the global projection mode and the local projection mode of the panoramic image information according to the view angle conversion instruction.
Specifically, the panoramic image information described in the embodiment of the present invention includes panoramic photograph information or panoramic video frame information.
Specifically, the projection modes described in the embodiments of the present invention are mainly divided into two types, namely, global projection and local projection, where the local projection is used to show projection content conforming to human visual perception, such as linear projection. The global projection is used for displaying global information of the panoramic image, and integrity of the global image is guaranteed, and the global projection described herein can be any one of a spherical polar plane projection, an equidistant columnar projection or an orthogonal projection.
The synchronous display described in the embodiment of the present invention may refer to parallel or superimposed display of multiple projections in different projection modes, for example, when the content of the synchronous display includes local projection and global projection, the local projection and the global projection may be displayed in parallel in the same interface, or after the global projection is displayed, the local projection may be superimposed on the global projection for display after the trigger information is acquired and the local projection is generated.
The local projection may be displayed, and the thumbnail of the global projection may be displayed in a corner of the local projection in an overlapping manner.
The partial projection described in the embodiments of the present invention may be displayed in a scaled-up or scaled-down manner.
The view angle conversion instruction information described in the embodiment of the present invention refers to instruction information for view angle conversion for panoramic image projection, and may specifically include a view angle range conversion instruction and a view angle center conversion instruction.
The cooperative transformation described in the embodiment of the present invention means that the perspective transformation is performed on any one of the plurality of projections, and the other projections are also subjected to corresponding cooperative transformation.
Fig. 2 is a schematic diagram of a coordinated transformation of linear projection and orthogonal projection according to an embodiment of the present invention, where as shown in fig. 2, a in fig. 2 is a schematic diagram of linear projection and orthogonal projection before a central transformation instruction of an angle of view is received, a part of a panoramic picture is displayed in a linear projection manner in a main portion of a display area, and on an orthogonal projection at a lower right corner, a position and a size of a linear projection area currently being displayed in the entire panoramic picture are indicated by a dashed box; when the linear projection display area receives a user event with a changed visual angle, the image of the linear projection is projected and displayed according to a new visual angle, and meanwhile, a dotted frame on the orthogonal projection in the lower right corner area is correspondingly changed. The user event of visual angle transformation comprises that the visual angle center is changed through the up-down, left-right keys, the size of the visual angle is changed through the roller, and b in the graph 2 is an effect graph after the visual angle range is reduced.
When the orthogonal projection area receives the click event, the panoramic photo is projected in a straight line again by taking the click position as the center and displayed. Meanwhile, the dotted frame on the orthogonal projection is also changed correspondingly to reflect the region displayed by the current linear projection, and c in fig. 2 is an effect diagram after clicking the center of the lower edge of the black block on the orthogonal projection region. The embodiment of the invention displays through projection in various different modes, ensures that the projection mode is most consistent with the human vision, simultaneously displays the panoramic image information in a global projection mode, ensures the integrity of the panoramic image, realizes the complementation of different projection modes by utilizing a local projection synchronous display mode, realizes a better panoramic image display method, simultaneously performs the visual angle transformation in any projection of synchronous display, and simultaneously performs the step-by-step cooperative transformation on the other corresponding projection, thereby further effectively improving the use experience of a user.
More specifically, the global projection described in the embodiments of the present invention may refer to a spherical polar plane projection, an equidistant cylindrical projection, an orthogonal projection, or the like; the partial projection described in the embodiment of the present invention may refer to a straight line projection or the like.
The embodiment of the invention displays the local projection of the local area of the result of the global projection and the local projection on the basis of displaying the global projection through the global projection and the local projection. The results of multiple projections can be effectively interacted and cooperated, and the user experience is improved.
On the basis of the foregoing embodiment, the step of synchronously displaying the panoramic image information in a global projection manner and a local projection manner specifically includes:
obtaining the overall projection of the panoramic image information according to the panoramic image information;
acquiring trigger event information, and generating a local projection according to the trigger event information;
the local projection is displayed in an overlapping manner on the global projection or the local projection and the global projection are displayed in parallel.
Specifically, the trigger event information described in the embodiment of the present invention may be a predetermined time, or a preset mouse retention time, which may be specifically set according to actual requirements.
The trigger event information described in the embodiment of the present invention may also refer to an interactive instruction of the user terminal for global projection or local projection, and specifically may refer to click interaction, a keyboard event, or a time for holding a mouse at the same position exceeding a preset threshold.
After generating the global projection of the panoramic image according to the panoramic image information, generating a local projection according to the trigger event information, for example, if the stay of a mouse at the target position of the global projection exceeds a preset threshold, generating the local projection of the target position, and then synchronously displaying the local projection and the global projection.
For example, fig. 3 is a schematic diagram of a global projection described in an embodiment of the present invention, as shown in fig. 3, a point a exists in fig. 3, and if a time for a mouse to stay at the point a exceeds a preset threshold, a linear projection image with a preset size is generated. Fig. 4 is a schematic diagram of a local projection of a point a in a global projection described in an embodiment of the present invention, and fig. 5 is a schematic diagram of an overlay display of the local projection and the global projection described in the embodiment of the present invention, and as shown in fig. 5, the local projection and the global projection are overlay-displayed, so that both the integrity and the visibility of a picture can be considered, and the efficiency of user interaction can be improved.
In another example, fig. 6 is a schematic diagram of a global projection according to another embodiment of the present invention, as shown in fig. 6, where fig. 6 includes a B point, and after the B point is clicked, a local projection image with a preset size is generated. FIG. 7 is a partial perspective view of another embodiment of the present invention. Fig. 8 is a schematic diagram illustrating parallel display of local projection and global projection according to another embodiment of the present invention, which can achieve both image integrity and visibility and improve user interaction efficiency.
Fig. 9 is a schematic diagram illustrating a panoramic photograph in a manner of spherical polar plane projection according to an embodiment of the present invention, as shown in fig. 9, a user clicks a point a of the panoramic photograph through a touch screen to generate a specific linear projection image, fig. 10 is a linear projection diagram generated by the point a according to an embodiment of the present invention, as shown in fig. 10, a linear projection image with a preset size is generated by taking the point a as a center, and the image is displayed in a magnified 2 times. Fig. 11 is a schematic diagram illustrating a superimposed display of a spheropole plane projection image and a line projection image according to an embodiment of the present invention, where the line projection image is superimposed and displayed at a as shown in fig. 11.
By the mode, the integrity and the visibility of the picture can be considered, and the interaction efficiency of the user is improved. In addition, on the basis of global projection reservation, a user can quickly and conveniently switch the linear projection view angle.
On the basis of the foregoing embodiment, the step of synchronously displaying the local projection and the global projection specifically further includes:
determining position area information of a local projection in a global projection, and marking the position area information in the global projection to obtain an enhanced global projection image;
and synchronously displaying the local projection and the enhanced global projection.
Specifically, the position area information of the local projection in the global projection described in the embodiment of the present invention specifically refers to a position occupied by the local position shown in the local projection in the global projection.
The embodiment of the present invention indicates that the position area information may be a specific position point or an area range, and the specific manner of indication may be marking by a dotted line or a color line.
The enhanced global projection image in the embodiment of the invention is the marked global projection.
For example, fig. 12 is a schematic diagram of a local projection described in another embodiment of the present invention, as shown in fig. 12, showing local content in a panoramic image, and fig. 13 is a schematic diagram of a synchronous display of the local projection and a global projection described in another embodiment of the present invention, as shown in fig. 13, showing a global projection of the same panoramic image in a lower left corner of a display area, and a position and a size of a local projection area currently being shown in the global projection are marked by a dashed box.
On the basis of the above embodiment, the view angle conversion instruction includes a view angle range conversion instruction and a view angle center conversion instruction.
Specifically, the view range transformation instruction described in the embodiment of the present invention specifically refers to adjusting the size of the view, for example, adjusting the projection area by zooming.
The view angle center transformation command described in the embodiments of the present invention refers to adjusting the center view angle of the projection, for example, dragging left and right to adjust the center view angle of the local projection.
On the basis of the foregoing embodiment, if the view angle transformation instruction is a view angle center transformation instruction, correspondingly, the step of performing cooperative transformation on the global projection mode and the local projection mode of the panoramic image information according to the view angle transformation instruction specifically includes:
changing the view angle center of the local projection according to the view angle center changing instruction to obtain the changed local projection;
and determining transformation position area information of the transformed local projection in the global projection, and marking the transformation position area information in the global projection to obtain the transformed global projection.
Specifically, when the local projection area receives an angle-of-view center conversion instruction, the angle-of-view center of the local projection is changed, projection and display are performed according to a new angle-of-view center, a converted local projection is obtained, conversion position area information of the converted local projection in the global projection is determined, the conversion position area information is converted relative to original position area information, the global projection is relabeled according to the converted local projection, and the angle of the position area information is correspondingly adjusted, so that the converted global projection is obtained.
For example, fig. 14 is a schematic projection diagram of a transformed panoramic image described in an embodiment of the present invention, where a in fig. 14 is global projection and local projection before a viewing angle center transformation instruction is received, when a user event with a transformed viewing angle is received in a local projection display area, an image of the local projection is projected and displayed according to a new viewing angle, and meanwhile, a dashed box on the global projection in a lower left corner area is also changed correspondingly. The user event of the visual angle center conversion instruction comprises that the visual angle center is changed by dragging up and down, left and right, and the size of the visual angle is changed by gestures. B in fig. 14 is an effect diagram after the right drag changes the center of the viewing angle.
According to the embodiment of the invention, after any one of the plurality of projection modes is adjusted, other plurality of projections can be correspondingly subjected to cooperative transformation after the projection is adjusted, so that the use feeling of a user is further improved.
On the basis of the foregoing embodiment, if the view angle transformation instruction is a view angle range transformation instruction, correspondingly, the step of performing cooperative transformation on the global projection mode and the local projection mode of the panoramic image information according to the view angle transformation instruction further includes:
changing the view angle range of the local projection according to the view angle range conversion instruction to obtain the converted local projection;
and determining transformation position area information of the transformed local projection in the global projection, and marking the transformation position area information in the global projection to obtain the transformed global projection.
Specifically, the view range conversion instruction described in the embodiment of the present invention may specifically refer to scaling the projection, that is, changing the view range of the projection, and specifically, if scaling the size of the position region information marked in the global projection, the size of the position region information may be adjusted in the global projection, and the local projection may be correspondingly converted; if the local projection is zoomed, the transformation position area information is determined in the global projection again according to the zoomed local projection to obtain the transformed global projection.
According to the embodiment of the invention, after any one of the plurality of projection modes is adjusted, other plurality of projections can be correspondingly subjected to cooperative transformation after the projection is adjusted, so that the use feeling of a user is further improved.
In another embodiment of the present invention, fig. 15 is a schematic view illustrating a multi-projection superposition of a panoramic image according to an embodiment of the present invention, as shown in fig. 15, a in fig. 15 is an equidistant columnar projection display, and in a display area, the panoramic image is displayed in a bottom view manner in an equidistant columnar projection manner; b in fig. 15 is multi-projection overlay display, in which a linear projection with a preset size is performed with the current equidistant columnar projection center of the same panoramic photo as the view center, and the linear projection is overlay displayed in the center of the display area; fig. 15 c shows the multi-projection overlay after view angle conversion, when a view angle center conversion command is received, for example, when the view angle center is changed by a left/right button, the video frame of the equidistant columnar projection is updated correspondingly with the new horizontal view angle as the center, and meanwhile, the current equidistant columnar projection center is used as the view center to perform the linear projection with a preset size, so as to update the content of the linear projection area; fig. 15 d shows another multi-projection overlay after view angle conversion, when the equidistant cylindrical projection area receives a view angle center conversion command, the panorama photograph performs equidistant cylindrical projection again with the command click position as the center, and updates the display. Meanwhile, linear projection with a preset size is carried out by taking the current equidistant columnar projection center as a view center, and the content of the linear projection area is updated.
Fig. 16 is a schematic structural diagram of a panoramic image display apparatus according to an embodiment of the present invention, as shown in fig. 16, including: a synchronized display module 1610 and a collaborative transformation module 1620; the synchronous display module 1610 is configured to synchronously display the panoramic image information in a global projection manner and a local projection manner; the cooperative transformation module 1620 is configured to perform cooperative transformation on the global projection manner and the local projection manner of the panoramic image information according to the view transformation instruction when the view transformation instruction is acquired.
The apparatus provided in the embodiment of the present invention is used for executing the above method embodiments, and for details of the process and the details, reference is made to the above embodiments, which are not described herein again.
The embodiment of the invention displays through projection in various different modes, ensures that the projection mode is most consistent with the human vision, simultaneously displays the panoramic image information in a global projection mode, ensures the integrity of the panoramic image, realizes the complementation of different projection modes by utilizing a local projection synchronous display mode, realizes a better panoramic image display method, simultaneously performs the visual angle transformation in any projection of synchronous display, and simultaneously performs the step-by-step cooperative transformation on the other corresponding projection, thereby further effectively improving the use experience of a user.
Fig. 17 is a schematic structural diagram of an electronic device according to an embodiment of the present invention, and as shown in fig. 17, the electronic device may include: a processor (processor)1710, a communication Interface 1720, a memory (memory)1730, and a communication bus 1740, wherein the processor 1710, the communication Interface 1720, and the memory 1730 communicate with each other via the communication bus 1740. The processor 1710 may call logic instructions in the memory 1730 to perform the following method: synchronously displaying the panoramic image information in a global projection mode and a local projection mode; and when the view angle conversion instruction is acquired, performing cooperative conversion on the global projection mode and the local projection mode of the panoramic image information according to the view angle conversion instruction.
In addition, the logic instructions in the memory 1730 may be implemented in software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as a stand-alone product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes 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 steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
An embodiment of the present invention discloses a computer program product, which includes a computer program stored on a non-transitory computer readable storage medium, the computer program including program instructions, when the program instructions are executed by a computer, the computer can execute the methods provided by the above method embodiments, for example, the method includes: synchronously displaying the panoramic image information in a global projection mode and a local projection mode; and when the view angle conversion instruction is acquired, performing cooperative conversion on the global projection mode and the local projection mode of the panoramic image information according to the view angle conversion instruction.
Embodiments of the present invention provide a non-transitory computer-readable storage medium storing server instructions, where the server instructions cause a computer to execute the method provided in the foregoing embodiments, for example, the method includes: synchronously displaying the panoramic image information in a global projection mode and a local projection mode; and when the view angle conversion instruction is acquired, performing cooperative conversion on the global projection mode and the local projection mode of the panoramic image information according to the view angle conversion instruction.
The above-described embodiments of the apparatus are merely illustrative, and 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, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. A panoramic image display method, comprising:
synchronously displaying the panoramic image information in a global projection mode and a local projection mode;
when a view angle conversion instruction is acquired, carrying out cooperative conversion on a global projection mode and a local projection mode of the panoramic image information according to the view angle conversion instruction;
the step of synchronously displaying the panoramic image information in a global projection mode and a local projection mode specifically comprises:
obtaining the overall projection of the panoramic image information according to the panoramic image information;
acquiring trigger event information, and generating a local projection according to the trigger event information;
the local projection is displayed in a superposition mode on a global projection or the local projection and the global projection are displayed in parallel;
wherein the trigger event information includes: the terminal interacts instruction information for the global projection or the local projection; the triggering event information specifically comprises that the time for the mouse to stay at the same position exceeds a preset threshold;
the visual angle conversion instruction comprises a visual angle range conversion instruction and a visual angle center conversion instruction;
if the view angle conversion instruction is a view angle center conversion instruction, correspondingly, the step of cooperatively converting the global projection mode and the local projection mode of the panoramic image information according to the view angle conversion instruction specifically comprises the following steps:
changing the view angle center of the local projection according to the view angle center changing instruction to obtain the changed local projection;
and determining transformation position area information of the transformed local projection in the global projection, and marking the transformation position area information in the global projection to obtain the transformed global projection.
2. The panoramic image display method according to claim 1, wherein said partial projection is a straight line projection.
3. The panoramic image display method of claim 1, wherein said global projection is a spherical polar plane projection, an equidistant cylindrical projection or an orthogonal projection.
4. The panoramic image display method according to claim 1, wherein if the view angle conversion command is a view angle range conversion command, correspondingly, the step of cooperatively converting the global projection mode and the local projection mode of the panoramic image information according to the view angle conversion command further comprises:
changing the view angle range of the local projection according to the view angle range conversion instruction to obtain the converted local projection;
and determining transformation position area information of the transformed local projection in the global projection, and marking the transformation position area information in the global projection to obtain the transformed global projection.
5. A panoramic image display apparatus, comprising:
the synchronous display module is used for synchronously displaying the panoramic image information in a global projection mode and a local projection mode;
the cooperative transformation module is used for performing cooperative transformation on a global projection mode and a local projection mode of the panoramic image information according to the view transformation instruction when the view transformation instruction is acquired;
wherein, the synchronous display module is further configured to:
obtaining the overall projection of the panoramic image information according to the panoramic image information;
acquiring trigger event information, and generating a local projection according to the trigger event information;
the local projection is displayed in a superposition mode on a global projection or the local projection and the global projection are displayed in parallel;
wherein the triggering event comprises: the terminal interacts instruction information for the global projection or the local projection; the triggering event information specifically comprises that the time for the mouse to stay at the same position exceeds a preset threshold;
the visual angle conversion instruction comprises a visual angle range conversion instruction and a visual angle center conversion instruction; if the view angle conversion instruction is a view angle center conversion instruction, correspondingly, the synchronous display module is further configured to:
changing the view angle center of the local projection according to the view angle center changing instruction to obtain the changed local projection;
and determining transformation position area information of the transformed local projection in the global projection, and marking the transformation position area information in the global projection to obtain the transformed global projection.
6. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the steps of the panoramic image display method according to any one of claims 1 to 4 are implemented when the processor executes the program.
7. A non-transitory computer-readable storage medium having stored thereon a computer program, which when executed by a processor implements the steps of the panoramic image display method according to any one of claims 1 to 4.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010731366.1A CN111913343B (en) | 2020-07-27 | 2020-07-27 | Panoramic image display method and device |
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| CN202010731366.1A CN111913343B (en) | 2020-07-27 | 2020-07-27 | Panoramic image display method and device |
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| CN113938651A (en) * | 2021-10-12 | 2022-01-14 | 北京天玛智控科技股份有限公司 | Monitoring method, monitoring system, monitoring device and storage medium for panoramic video interaction |
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