CN112002017A - Virtual scene generation method, device, terminal, medium and virtual training system - Google Patents
Virtual scene generation method, device, terminal, medium and virtual training system Download PDFInfo
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Abstract
The invention belongs to the technical field of virtual and real reality, and particularly relates to a virtual scene generation method, a virtual scene generation device, a virtual scene generation terminal, a virtual scene generation medium and a virtual training system. The virtual generation method comprises the following steps: acquiring use scene information of equipment to be generated; and performing virtual modeling and scene modeling on the equipment to be generated by combining the using scene information of the equipment to be generated to obtain an equipment model and a virtual application scene. The method is applied to power equipment test training, and can generate a virtual reality scene enabling a user to be personally on the scene, so that better immersive use experience is provided for the user.
Description
Technical Field
The invention belongs to the technical field of virtual and real reality, and particularly relates to a virtual scene generation method, a virtual scene generation device, a virtual scene generation terminal, a virtual scene generation medium and a virtual training system.
Background
Safety production is the first major task of continuous development of enterprises, and the problems of high risk, high cost, invisibility and the like in power equipment test practice and practice are solved, so that the safety awareness and the safety skills are hindered to be improved.
In recent years, in order to solve the above problems, training systems based on virtual reality have been developed in scientific research institutions and universities, and practice training and teaching exercises are performed in a virtual reality manner, but the existing virtual reality training systems still have a certain disadvantage in terms of immersive experience.
Disclosure of Invention
In view of this, embodiments of the present invention provide a virtual scene generation method, an apparatus, a terminal, a medium, and a virtual training system, so as to solve the problem of insufficient immersive experience of the existing virtual reality training system.
A first aspect of an embodiment of the present invention provides a virtual scene generation method, where the virtual scene generation method includes:
acquiring use scene information of equipment to be generated;
and performing virtual modeling and scene modeling on the equipment to be generated by combining the using scene information of the equipment to be generated to obtain an equipment model and a virtual application scene.
Optionally, the generating method further includes:
rendering the device model and the virtual application scene;
and distortion correction and distortion scaling are carried out on the rendered equipment model and the virtual application scene.
Optionally, rendering the device model and the virtual application scene by using a DirectX3D rendering technology;
and distortion correction and distortion scaling are carried out on the rendered equipment model and the virtual application scene through the Pixel Shader.
Optionally, the rendered device model and the rendered virtual application scene are refreshed at a frequency of 60 frames per second or more.
A second aspect of the embodiments of the present invention provides a virtual scene generation apparatus, including:
the scene acquisition module is used for acquiring the use scene information of the equipment to be generated;
and the virtual generation module is used for carrying out virtual modeling and scene modeling on the equipment to be generated by combining the using scene information of the equipment to be generated to obtain an equipment model and a virtual application scene.
A third aspect of the embodiment of the present invention provides a virtual training system, including a virtual scene generation apparatus and an interaction system as provided in the second aspect of the embodiment of the present invention; the interactive system comprises:
the display equipment is used for displaying the equipment model and the virtual application scene which are acquired by the virtual scene generation device;
the somatosensory interaction equipment is used for acquiring an operation instruction and action information and transmitting the operation instruction and the action information to the virtual generation device;
and the virtual scene generating device is used for correspondingly changing the equipment model and the virtual application scene according to the operation instruction and the action information.
Optionally, the display device includes: helmet display device and 3D display screen.
Optionally, the number of the helmet display devices is multiple, and the somatosensory interaction devices and the helmet display devices are arranged in a one-to-one correspondence manner;
the virtual scene generation device is used for correspondingly changing an equipment model and a virtual application scene according to the operation instructions and the action information of the somatosensory interaction equipment and transmitting the equipment model and the virtual application scene to the helmet display equipment for synchronous display.
A fourth aspect of the present invention provides a terminal device, which includes 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 virtual scene generation method provided in the first aspect of the present invention when executing the computer program.
A fifth aspect of the embodiments of the present invention provides a computer-readable storage medium, where a computer program is stored, and the computer program, when executed by a processor, implements the steps of the virtual scene generation method provided in the first aspect of the embodiments of the present invention.
The method and the device for generating the virtual application scene have the advantages that when the virtual model scene is generated, the using scene information of the device to be generated is obtained, the virtual modeling and the scene modeling are carried out on the device to be generated by combining the using scene information of the device to be generated, the device model and the virtual application scene are obtained, the virtual application scene which is the same as the using scene of the device to be generated in reality can be obtained, the device model and the virtual application scene produced according to the device to be generated are combined, a user is in the scene, and therefore better immersive use experience is provided for the user.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic flowchart of a virtual scene generation method according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a virtual scene generation apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an interactive system provided in an embodiment of the present invention;
FIG. 4 is an illustration of an indoor layout of a virtual training system provided by an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
The terms "comprises" and "comprising," as well as any other variations, in the description and claims of this invention and the drawings described above, are intended to mean "including but not limited to," and are intended to cover non-exclusive inclusions. For example, a process, method, or system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus. Furthermore, the terms "first," "second," and "third," etc. are used to distinguish between different objects and are not used to describe a particular order.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
Fig. 1 is a schematic flowchart of a virtual scene generation method provided in this embodiment, where the virtual scene generation method includes:
step S101, obtaining the use scene information of the equipment to be generated;
in the embodiment of the present invention, the device to be generated may be an electrical device, and before generating the device model of the electrical device, an application scenario of the device in practice is further obtained, for example, if training for installation is to be performed, an installation environment of the device is obtained, if training for inspection is to be performed, an inspection environment corresponding to the device is obtained, and some emergency training under special scenarios is specified, and a special scenario corresponding to the device is obtained. The method is beneficial to generating the virtual application scene corresponding to the power equipment in the subsequent method by comprehensively acquiring the use scene information of the generating equipment.
And S102, carrying out virtual modeling and scene modeling on the equipment to be generated by combining the using scene information of the equipment to be generated to obtain an equipment model and a virtual application scene.
In the embodiment of the invention, when the virtual reality technology, the componentized modeling technology and/or the three-dimensional modeling technology of the power system equipment are/is applied to perform virtual modeling on the equipment to be generated, the acquired use scene information of the equipment to be generated is also imported, and a virtual application scene corresponding to the equipment to be generated can be generated according to the graphical development environment technology, so that the real use scene of the equipment to be generated is simulated in the virtual reality scene, and a better immersive training experience is brought to a user.
In the embodiment, when the virtual model scene is generated, the use scene information of the device to be generated is acquired, the device to be generated is subjected to virtual modeling and scene modeling in combination with the use scene information of the device to be generated, and the device model and the virtual application scene are acquired, so that the virtual application scene which is the same as the use scene of the device to be generated in reality can be acquired, and the device model and the virtual application scene produced according to the device to be generated are combined to make a user be in the scene, so that better immersive use experience is provided for the user.
In some embodiments, the virtual scene generation method may further include: rendering the device model and the virtual application scene; and distortion correction and distortion scaling are carried out on the rendered equipment model and the virtual application scene.
In the embodiment of the invention, in order to enable the training personnel to achieve an ideal visual experience effect, the generated virtual scene is rendered, and the size of the model is reduced in aspects of model construction, chartlet quality control and the like by adopting various modes, including distortion correction and distortion scaling, so that a balance between fluency and picture effect is achieved under the condition of not weakening the visual effect, and the immersive experience of the training personnel is further improved.
In some embodiments, the device model and the virtual application scene may be rendered by DirectX3D rendering techniques; distortion correction and distortion scaling may be performed on the rendered device model and virtual application scene by Pixel Shader.
In the embodiment of the invention, DirectX3D is an Application Program Interface (API), which can enable a game or a multimedia program taking windows as a platform to obtain higher execution efficiency, strengthen the effects of 3D graphics and sound, provide a common hardware driving standard, enable the driving program to be uniform and reduce the complexity of hardware, and use a rendering technology to render the equipment model and the virtual application scene in the embodiment of the invention; pixel Shader, a Pixel Shader, contains Pixel Shader instructions composed of ASCII text, and arithmetic instructions thereof can be used to perform diffuse reflection and/or specular reflection illumination calculations, so that in the embodiments of the present application, Pixel Shader is used to perform distortion correction and distortion scaling on rendered device models and virtual application scenes.
In some embodiments, the rendered device model and the virtual application scene are refreshed at a frequency of 60 frames per second or more.
In the embodiment of the invention, the rendered virtual reality scene (namely the equipment model and the virtual application scene) is kept to be refreshed at a frequency of more than 60 frames per second, so that a smoother use picture can be brought to a user, and eyes of the user can be protected.
In some other embodiments, if the device to which the method is applied is used in connection with a head-mounted display device, the method may further include: the virtual reality scene after distortion correction and distortion zooming is divided and drawn to left and right binocular screens of the head-mounted display equipment, so that smoother and immersive picture experience is brought to a user.
In some other embodiments, if the device applying the method is connected to a virtual reality helmet for use, that is, the user can also obtain sound information through the virtual reality helmet, the method may further include: the method comprises the steps of obtaining sound information of equipment to be generated under different scenes and/or sound information of the scenes, and carrying out virtual modeling on the equipment to be generated to obtain an equipment model by combining the sound information of the equipment to be generated under the different scenes and/or the sound information of the scenes, so that real practice is simulated more vividly, the whole process and the whole range of simulation are met, and a user obtains nearly real operation real practice feelings from the aspects of vision, hearing and the like.
Fig. 2 is a schematic structural diagram of a virtual scene generation apparatus according to an embodiment of the present invention, and referring to fig. 2, the virtual scene generation apparatus 20 may include:
the scene obtaining module 21 is configured to obtain usage scene information of the device to be generated.
And the virtual generation module 22 is configured to perform virtual modeling and scene modeling on the device to be generated in combination with the usage scene information of the device to be generated, so as to obtain a device model and a virtual application scene.
In some embodiments, the virtual scene generation method may further include: rendering the device model and the virtual application scene; and distortion correction and distortion scaling are carried out on the rendered equipment model and the virtual application scene.
In some embodiments, the device model and the virtual application scene may be rendered by DirectX3D rendering techniques; distortion correction and distortion scaling may be performed on the rendered device model and virtual application scene by Pixel Shader.
In some embodiments, the rendered device model and the virtual application scene are refreshed at a frequency of 60 frames per second or more.
In some embodiments, if the virtual scene generating apparatus is connected to a head-mounted display device for use, the virtual scene generating apparatus may further be configured to: and segmenting and drawing the virtual reality scene subjected to distortion correction and distortion scaling to left and right binocular screens of the head-mounted display equipment.
In some embodiments, if the virtual scene generating apparatus is connected to a virtual reality helmet for use, that is, the user can further obtain sound information through the virtual reality helmet, the virtual scene generating apparatus may include: the device comprises a sound obtaining module and a virtual modeling module, wherein the sound obtaining module is used for obtaining sound information of the device to be generated in different scenes and/or sound information of the scenes, and carrying out virtual modeling on the device to be generated to obtain a device model by combining the sound information of the device to be generated in different scenes and/or the sound information of the scenes.
The embodiment of the invention also provides a virtual training system, which comprises the virtual scene generation device and the interactive system provided by the embodiment of the invention; referring to fig. 3, the interactive system 30 may include:
a display device 31 configured to display the device model and the virtual application scene acquired by the virtual scene generation apparatus;
the somatosensory interaction device 32 is used for acquiring an operation instruction and action information and transmitting the operation instruction and the action information to the virtual generation device;
correspondingly, the virtual scene generating device is used for correspondingly changing the equipment model and the virtual application scene according to the operation instruction and the action information.
In the embodiment of the invention, the display equipment and the somatosensory interaction equipment are adopted, so that a user is completely immersed in the virtual scene of the power equipment experiment and interacts in a natural mode, the visual and tactile interaction experience of the user is greatly improved, and the training effect of the system is improved.
In some embodiments, the helmet-mounted display devices are multiple, and the somatosensory interaction devices are arranged in one-to-one correspondence with the helmet-mounted display devices; the virtual scene generation device is used for correspondingly changing an equipment model and a virtual application scene according to the operation instructions and the action information of the somatosensory interaction equipment and transmitting the equipment model and the virtual application scene to the helmet display equipment for synchronous display.
In the embodiment of the invention, the virtual scene generation device can be one, and the display equipment and the somatosensory interaction equipment can be respectively multiple, so that the cooperative safety drilling can be adapted to the cooperative safety drilling of multiple persons, and the cooperative safety operation level of a team can be improved while the safety operation consciousness of an individual soldier is strengthened. The virtual training system also can comprise virtual scene generating devices, each virtual scene generating device corresponds to one display device and one somatosensory interaction device, and data synchronization is carried out among the virtual scene generating devices through wired or wireless networks.
In some embodiments, the display device comprises: helmet display device and 3D display screen.
In the embodiment of the invention, the display equipment can be divided into helmet display equipment and a 3D display screen, the helmet equipment is provided for trainees, and the display equipment can enable an examiner to visually see the exercise condition of each trainee so as to realize the examination, analysis and evaluation of the operation behavior of the trainees.
In some embodiments, the somatosensory interaction device may include a simulation operation rocker, a touch interaction device, a fingerprint device, and the like, and by combining the 3D display screen, trainees can realize both 2D common simulation training and 3D immersive simulation training.
Fig. 4 is an illustration of an indoor layout of a virtual training system according to an embodiment of the present invention, and in fig. 4, the virtual training system further includes laser locators respectively disposed at four corners of the room for locating the equipment. The display comprises a virtual scene generating device which can be a computer if each VR eye and a 3D display screen. A forum is provided for the user to rest and discuss.
It is obvious to those skilled in the art that, for convenience and simplicity of description, the foregoing functional units and modules are merely illustrated in terms of division, and in practical applications, the foregoing function distribution may be performed by different functional units and modules as needed, that is, the internal structure of the virtual scene generation apparatus is divided into different functional units or modules to perform all or part of the above described functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
Fig. 5 is a schematic diagram of a terminal device according to an embodiment of the present invention. As shown in fig. 5, in the present embodiment, the terminal device 50 includes: a processor 51, a memory 52 and a computer program 53 stored in said memory 52 and executable on said processor 51. The processor 51, when executing the computer program 53, implements the steps in the embodiments as described in the first aspect of the embodiments, e.g. the steps S101 to S102 shown in fig. 1. Alternatively, the processor 51, when executing the computer program 53, implements the functions of the modules/units in the above-described virtual scene generation apparatus embodiment, such as the functions of the modules 21 to 22 shown in fig. 2.
Illustratively, the computer program 53 may be divided into one or more modules/units, which are stored in the memory 52 and executed by the processor 51 to accomplish the present application. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution process of the computer program 53 in the terminal device 50.
The terminal device can be a mobile phone, a tablet computer and other computing devices. The terminal device may include, but is not limited to, a processor 51, a memory 52. Those skilled in the art will appreciate that fig. 5 is only an example of a terminal device 50, and does not constitute a limitation to the terminal device 50, and may include more or less components than those shown, or combine some components, or different components, for example, the terminal device 50 may also include an input-output device, a network access device, a bus, etc.
The Processor 51 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 52 may be an internal storage unit of the terminal device 50, such as a hard disk or a memory of the terminal device 50. The memory 52 may also be an external storage device of the terminal device 50, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, which are provided on the terminal device 50. Further, the memory 52 may also include both an internal storage unit and an external storage device of the terminal device 50. The memory 52 is used for storing the computer program 53 and other programs and data required by the terminal device 50. The memory 52 may also be used to temporarily store data that has been output or is to be output.
An embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored, and when being executed by a processor, the computer program implements the steps in the embodiments described in the first aspect of the embodiments, for example, step S101 to step S102 shown in fig. 1.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed virtual scene generation method, apparatus, terminal and storage medium may be implemented in other ways. For example, the above-described embodiment of a virtual scene generator is merely illustrative, and for example, the division of the modules or units is only a logical division, and there may be other divisions when the virtual scene generator is actually implemented, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
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 units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow in the method of the embodiments described above can be realized by a computer program, which can be stored in a computer-readable storage medium and can realize the steps of the embodiments of the methods described above when the computer program is executed by a processor. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain other components which may be suitably increased or decreased as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media which may not include electrical carrier signals and telecommunications signals in accordance with legislation and patent practice.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should 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; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (10)
1. A virtual scene generation method is characterized by comprising the following steps:
acquiring use scene information of equipment to be generated;
and performing virtual modeling and scene modeling on the equipment to be generated by combining the using scene information of the equipment to be generated to obtain an equipment model and a virtual application scene.
2. The virtual scene generation method of claim 1, further comprising:
rendering the device model and the virtual application scene;
and distortion correction and distortion scaling are carried out on the rendered equipment model and the virtual application scene.
3. The virtual scene generation method of claim 2,
rendering the device model and the virtual application scene by a DirectX3D rendering technique;
and distortion correction and distortion scaling are carried out on the rendered equipment model and the virtual application scene through the Pixel Shader.
4. A virtual scene generation method according to claim 3, wherein the rendered device model and the virtual application scene are refreshed at a frequency of 60 frames per second or more.
5. A virtual scene generation apparatus, comprising:
the scene acquisition module is used for acquiring the use scene information of the equipment to be generated;
and the virtual generation module is used for carrying out virtual modeling and scene modeling on the equipment to be generated by combining the using scene information of the equipment to be generated to obtain an equipment model and a virtual application scene.
6. A virtual training system comprising the virtual scene generation apparatus and the interactive system of claim 5; the interactive system comprises:
the display equipment is used for displaying the equipment model and the virtual application scene which are acquired by the virtual scene generation device;
the somatosensory interaction equipment is used for acquiring an operation instruction and action information and transmitting the operation instruction and the action information to the virtual generation device;
and the virtual scene generating device is used for correspondingly changing the equipment model and the virtual application scene according to the operation instruction and the action information.
7. The virtual training system as claimed in claim 6, wherein the display device comprises: helmet display device and 3D display screen.
8. The virtual training system as claimed in claim 7, wherein the number of helmet-mounted display devices is plural, and the somatosensory interaction device is arranged in one-to-one correspondence with the helmet-mounted display devices;
the virtual scene generation device is used for correspondingly changing an equipment model and a virtual application scene according to the operation instructions and the action information of the somatosensory interaction equipment and transmitting the equipment model and the virtual application scene to the helmet display equipment for synchronous display.
9. A terminal device comprising a memory, a processor and a computer program stored in said memory and executable on said processor, characterized in that said processor implements the steps of a virtual scene generation method according to any one of claims 1 to 4 when executing said computer program.
10. A computer-readable storage medium, in which a computer program is stored, which, when being executed by a processor, carries out the steps of a virtual scene generation method according to any one of claims 1 to 4.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010613542.1A CN112002017A (en) | 2020-06-30 | 2020-06-30 | Virtual scene generation method, device, terminal, medium and virtual training system |
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