Multi-channel virtual animation real-time generation system and control device

Abstract

The utility model discloses a multi-channel virtual animation real-time generation system, which comprises a main control module, a synchronous controller, a data interface module and a plurality of rendering nodes in a plurality of channels, each channel corresponds to one rendering node, and each rendering node comprises a GPU (Graphic Processing Unit)-based rendering engine unit; the main control module is externally connected with an expansion slot; the synchronous controller is respectively connected with the main control module and each rendering node, and a clock synchronization unit and a frame synchronization circuit are arranged in the synchronous controller; the first end of the data interface module is connected with each rendering node, and the second end of the data interface module is connected with external equipment. According to the utility model, through multi-channel parallel independent rendering and in combination with the synchronization capability of the synchronization controller, the performance is improved, the signal synchronization accuracy is considered at the same time, the delay is effectively reduced, and the consistency of transmission pictures of different channels is protected; an expansion slot is additionally arranged and can be used for hardware upgrading, and the data interface module adopts a standardized hardware interface and can be compatible with various external devices.

Description

TECHNICAL FIELD

[0001] The utility model relates to virtual animation generation system technical field, concretely relates to a kind of multi-channel virtual animation real-time generation system and control device. BACKGROUND

[0002] Virtual reality technology is a comprehensive integration technology, involving computer graphics, human-computer interaction technology, sensor technology, human-computer interface technology and artificial intelligence technology and multiple fields. It uses computer to generate realistic three-dimensional vision, hearing, olfactory and other senses, so that users can naturally experience and interact with the virtual reality world through appropriate devices;In animation generation technology, the system realizes real-time processing and generation of virtual scene data through multi-channel setting. Specifically, the system can set parameters for virtual scene data according to different client types (such as 3D display screen, virtual reality helmet equipment, 2D display, etc.), and output to the corresponding client for display through different display channels. This process not only improves the generation efficiency of animation, but also enhances the immersive experience of users.

[0003] Currently, virtual reality technology has made significant progress in the field of animation generation. Existing multi-channel virtual animation generation systems aim to present users with more rich and three-dimensional virtual animation scenes through multiple display channels. These systems usually include data input module, scene rendering module, output control module and other key components. Data input module: responsible for receiving user input data from various sensors, such as head position, eye rotation, etc., to capture user actions and intentions. Scene rendering module: according to input data, real-time generation and rendering of virtual animation scene, to ensure that the picture seen by the user is synchronized with their own actions. Output control module: render the virtual animation scene through multiple display channels to the corresponding client, such as VR headset, 3D display screen, etc.

[0004] Although existing technology has made significant achievements, there are still the following problems and deficiencies:

[0005] 1) Lack of real-time performance: in complex scenes, due to the limitations of rendering algorithms and data transmission, existing systems often have difficulty in ensuring real-time generation and updating of virtual animation, which may cause users to experience picture lag or delay, reducing immersion;

[0006] 2) Poor multi-channel coordination: in a multi-channel display environment, picture synchronization and collaborative control between different clients is a difficult problem; existing systems may cause inconsistent pictures due to network latency, data transmission errors, etc., which will also affect user experience;

[0007] 3) Poor flexibility and scalability: As technology continues to evolve, user demands for virtual animation also change, and existing systems often require extensive modifications and upgrades to meet new demands, lacking sufficient flexibility and scalability. Invention content

[0008] To solve the above three problems, the purpose of the present application is to provide a multi-channel virtual animation real-time generation system and a control device. Through multi-channel parallel independent rendering, combined with the synchronization capability of the synchronization controller, the synchronization accuracy of the signal is considered while the computing performance is improved, the delay is effectively reduced, and the consistency of the pictures transmitted by different channels is protected. In addition, the expansion slot can be used for hardware upgrade, and the data interface module adopts standardized hardware interface to be compatible with multiple external devices, improving the versatility.

[0009] The specific technical solutions are as follows:

[0010] First, a multi-channel virtual animation real-time generation system is proposed, which includes a main control module, a synchronization controller, a data interface module, and multiple rendering nodes in multiple channels. Each channel corresponds to a rendering node respectively, and each rendering node includes a GPU-based rendering engine unit. The main control module is externally connected with an expansion slot. The synchronization controller is connected with the main control module and each rendering node respectively, and the synchronization controller is internally provided with a clock synchronization unit and a frame synchronization circuit. The first end of the data interface module is connected with each rendering node, and the second end of the data interface module is connected with external equipment.

[0011] Preferably, the clock synchronization unit includes a crystal oscillator and an FPGA chip connected with each other, and the FPGA chip is used to connect the main control module and each rendering node respectively. The crystal oscillator can provide a stable clock source, and the FPGA chip can ensure the time synchronization of multiple channels and reduce the timing error.

[0012] Preferably, the frame synchronization circuit includes a timestamp generator and a signal delay compensation module connected with each other, and the timestamp generator and the signal delay compensation module are connected with the main control module and each rendering node. The timestamp generator and the signal delay compensation module are used to support the synchronization between multiple channels and reduce the synchronization error.

[0013] Preferably, the expansion slot of the main control module adopts an API interface. The API interface supports expansion connection and can be used when external expansion equipment needs to be connected.

[0014] Preferably, the data interface module comprises a communication protocol adapter and a standardized hardware interface, each rendering node is connected to the standardized hardware interface via the communication protocol adapter, and the standardized hardware interface is connected to the external device; wherein the standardized hardware interface is HDMI or USB-C. The communication protocol adapter is used to solve the mismatching of the interfaces, and the standardized hardware interface is highly universal and is convenient for quick connection.

[0015] Preferably, the external device comprises a VR headset or a display screen.

[0016] Preferably, the display screen is a 3D display screen or a 2D display screen.

[0017] Preferably, the number of the plurality of channels is at least 8, and each channel is parallel.

[0018] Preferably, the main control module is further connected with a signal processor and a sensor in sequence.

[0019] In addition, a control device is also provided, which comprises a host computer and the multi-channel virtual animation real-time generation system.

[0020] The beneficial effects of the utility model compared with the prior art are:

[0021] The utility model utilizes the multi-channel parallel independent rendering, and combines the synchronization ability of the synchronous controller, improves the computing performance while considering the synchronization accuracy of the signal, effectively reduces the delay, and protects the consistency of the pictures transmitted by different channels; in addition, the expansion slot can be used for hardware upgrade, the data interface module adopts the standardized hardware interface, can be compatible with various external devices, and improves the universality. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a schematic diagram of the architecture of the multi-channel virtual animation real-time generation system. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model is further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0024] As Figure 1As shown, it is a schematic diagram of the architecture of a multi-channel virtual animation real-time generation system, which mainly includes a master control module, a synchronization controller, a data interface module and a plurality of rendering nodes in a plurality of channels, each channel corresponds to a rendering node respectively, the master control module is connected to each rendering node via the synchronization controller, each rendering node includes a GPU-based rendering engine unit, each rendering engine unit is connected to the first end of the data interface module, and the second end of the data interface module is used for connecting external devices, and the first end and the second end are interfaces.

[0025] In this embodiment, the master control module is externally connected with an expansion slot, which can be used to support external expansion connection, for example, a programmable device connected with external devices through an API interface can be used.

[0026] In this embodiment, the synchronization controller is connected with the master control module and each rendering node respectively, the synchronization controller is built-in with a clock synchronization unit and a frame synchronization circuit, the clock synchronization unit can provide a timing reference, and the frame synchronization circuit can reduce the error of the timing, for completing the synchronization of the multi-channel. The clock synchronization unit includes a crystal oscillator and an FPGA chip connected with each other, the crystal oscillator can provide a stable clock source, and the FPGA chip is used to connect the master control module and each rendering node respectively, for ensuring that each rendering node has accurate timing. The frame synchronization circuit includes a timestamp generator and a signal delay compensation module connected with each other, both of which are connected with the master control module and each rendering node, the timestamp generator is used to provide accurate timing, and the signal delay compensation module is used to reduce the synchronization error.

[0027] In this embodiment, the data interface module includes a communication protocol adapter and a standardized hardware interface, each rendering node is connected to the standardized hardware interface via the communication protocol adapter, and the standardized hardware interface is used to connect external devices; wherein the standardized hardware interface is HDMI or USB-C, HDMI is the full name of High-Definition Multimedia Interface, that is, high-definition multimedia interface, and USB-C is USB-Type-C interface. The communication protocol adapter is used to solve the possible mismatch of the interface, and in combination with the high universality of the standardized hardware interface, the applicable scene is more, and it is also convenient for rapid connection.

[0028] In this embodiment, the external device can be a VR headset or a 3D display screen or a 2D display screen, etc.

[0029] In this embodiment, the number of the plurality of channels is at least 8, and each channel is in parallel structure and does not interfere with each other. Multi-channel parallel rendering can meet more use scenarios.

[0030] In this embodiment, the master control module is further connected with a signal processor and a sensor in sequence.

[0031] In addition, the control device is provided, which comprises the host computer and the multi-channel virtual animation real-time generation system.

[0032] To sum up, the application utilizes multi-channel parallel independent rendering, combines the synchronization capability of the synchronization controller, improves the computing performance, considers the synchronization accuracy of the signal, effectively reduces the delay, and protects the consistency of the pictures transmitted by different channels; in addition, the expansion slot can be used for hardware upgrading, the data interface module adopts the standardized hardware interface, can be compatible with various external devices, improves the universality, and has significant progress.

[0033] The above embodiments only illustrate the technical idea of the application, and cannot limit the protection scope of the application, and any modification made on the basis of the technical scheme according to the technical idea of the application falls within the protection scope of the application.

Claims

1. A multi-channel virtual animation real-time generation system, characterized in that, It includes a main control module, a synchronization controller, a data interface module, and multiple rendering nodes in multiple channels. Each channel corresponds to a rendering node, and each rendering node includes a GPU-based rendering engine unit. The main control module has an external expansion slot; the synchronization controller is connected to the main control module and each rendering node respectively, and the synchronization controller has a built-in clock synchronization unit and frame synchronization circuit; the first end of the data interface module is connected to each rendering node, and the second end of the data interface module is connected to external devices.

2. The multi-channel virtual animation real-time generation system according to claim 1, characterized in that... The clock synchronization unit includes interconnected crystal oscillators and FPGA chips. The FPGA chips are used to connect the main control module and each rendering node, respectively.

3. The multi-channel virtual animation real-time generation system according to claim 1, characterized in that, The frame synchronization circuit includes interconnected timestamp generators and signal delay compensation modules, both of which are connected to the main control module and each rendering node.

4. The multi-channel virtual animation real-time generation system according to claim 1, characterized in that, The expansion slots of the main control module use an API interface.

5. The multi-channel virtual animation real-time generation system according to claim 1, characterized in that, The data interface module includes a communication protocol adapter and a standardized hardware interface. Each rendering node is connected to the standardized hardware interface via the communication protocol adapter, and the standardized hardware interface connects to external devices. The standardized hardware interface is either HDMI or USB-C.

6. The multi-channel virtual animation real-time generation system according to claim 1, characterized in that, External devices include VR headsets or displays.

7. A multi-channel virtual animation real-time generation system according to claim 6, characterized in that, The display screen can be a 3D display screen or a 2D display screen.

8. The multi-channel virtual animation real-time generation system according to claim 1, characterized in that, The number of channels is at least 8, and each channel runs in parallel.

9. A multi-channel virtual animation real-time generation system according to claim 1, characterized in that, The main control module is also connected to a signal processor and a sensor in sequence.

10. A control device, characterized in that, The control device includes a host computer and a multi-channel virtual animation real-time generation system as described in any one of claims 1 to 9, wherein the host computer is connected to the main control module of the multi-channel virtual animation real-time generation system.

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