阅读说明：本技术 一种多路3d信号拼接同步系统 (Multi-path 3D signal splicing synchronization system ) 是由 曹臻 潘卫明 邱昊 于 2020-04-02 设计创作，主要内容包括：本发明属于图像技术领域,具体为一种多路3D信号拼接同步系统。本系统包含如下组成部分：3D图像信号采集单元,3D图像左右通道分离单元,左、右通道数据帧率同步变换单元,通道链路交换单元,系统帧单元,左、右通道拼接处理单元,3D左右通道合并输出单元和3D拼接显示单元。本发明可将任意多个非同源3D图像进行图像拼接处理,最后在任意多个3D显示单元上同步显示；使得用户可通过3D眼镜同时观看到多个非同源3D图像信号,解决了目前多路非同源3D信号无法同步显示于同一组3D屏幕的难题,降低了对3D信号源同步的要求,极大提升了用户的工作效率及使用体验,在军事仿真、医疗仿真、汽车建模等领域有广泛的应用需求。(The invention belongs to the technical field of images, and particularly relates to a multi-path 3D signal splicing and synchronizing system. The system comprises the following components: the system comprises a 3D image signal acquisition unit, a 3D image left-right channel separation unit, a left-right channel data frame rate synchronous conversion unit, a channel link exchange unit, a system frame unit, a left-right channel splicing processing unit, a 3D left-right channel merging output unit and a 3D splicing display unit. According to the invention, any plurality of non-homologous 3D images can be subjected to image splicing processing, and finally, the images are synchronously displayed on any plurality of 3D display units; the user can watch a plurality of non-homologous 3D image signals through the 3D glasses, the problem that at present, a plurality of paths of non-homologous 3D signals cannot be synchronously displayed on the same group of 3D screens is solved, the requirement on synchronization of 3D signal sources is lowered, the working efficiency and the use experience of the user are greatly improved, and the method has wide application requirements in the fields of military simulation, medical simulation, automobile modeling and the like.)

1. A multi-path 3D signal splicing and synchronizing system is characterized by comprising more than two 3D image signal acquisition units,

the system comprises more than two 3D image left-right channel separation units, more than two left channel data frame rate synchronous conversion units, more than two right channel data frame rate synchronous conversion units, a channel link exchange unit, a system frame unit, a left channel splicing processing unit, a right channel splicing processing unit, a 3D left-right channel merging output unit and more than one 3D splicing display unit; the 3D image signal acquisition units, the 3D image left and right channel separation units and the left and right channel data frame rate synchronous conversion units are equal in number; wherein:

the 3D image signal acquisition unit is used for receiving various types of 3D audio and video original signals input by user equipment, processing the signals through internal audio and video digital signals and converting the signals into internal standard data streams;

the 3D image left and right channel separation unit is used for receiving the 3D data stream and the 3D synchronous signal of the 3D image signal acquisition unit, performing data separation on the 3D data stream according to the 3D synchronous signal, and respectively sending out single-channel data streams according to a left channel and a right channel;

the left channel data frame rate and right channel data frame rate synchronous conversion unit is used for respectively receiving the left channel data stream and the right channel data stream which are separated by the left channel and right channel separation unit of the 3D image, receiving a system frame synchronization signal of the system frame unit, and uniformly converting the frame rates of the two input single-channel data streams into the system frame rate so as to achieve the synchronization of any multiple data streams;

the channel link switching unit is used for receiving the single-channel data stream after the left channel data frame rate synchronous conversion unit and the right channel data frame rate synchronous conversion unit are unified, and switching the single-channel data stream to the corresponding left channel splicing processing unit and right channel splicing processing unit according to user configuration;

the left channel splicing processing unit and the right channel splicing processing unit are used for receiving the multi-channel single-channel data streams of the channel link switching unit, decoding the data streams, and respectively superposing, cutting or zooming the multi-channel image and the right channel image according to configuration after decoding to realize multi-channel single-channel image splicing;

the system frame unit is used for generating system frame synchronization signals and distributing the system frame synchronization signals to the left channel data frame rate synchronization conversion unit, the right channel data frame rate synchronization conversion unit, the channel link exchange unit, the left channel splicing processing unit, the right channel splicing processing unit and the 3D left channel and right channel merging output unit to ensure that the module paces are consistent;

a 3D left and right channel merging output unit for receiving the left and right channel image data spliced by the left and right channel splicing processing unit, merging and converting the two channels of images according to the 3D audio and video interface standard of the 3D splicing display unit and outputting the merged and converted signals and 3D synchronous signals to the 3D splicing display unit,

and the 3D splicing display unit is used for receiving the 3D signals processed by the 3D left and right channel merging output unit and displaying the 3D signals to a user.

2. The multi-channel 3D signal splicing synchronization system according to claim 1, wherein the 3D audio and video original signal is

Computer display card 3D signal or 3D camera signal.

3. The multi-channel 3D signal splicing synchronization system according to claim 1, wherein in the 3D image left-right channel separation unit, the format of the 3D data stream is a frame sequential format, a left-right format, an up-down format, or a left-right channel direct connection mode.

4. The multi-channel 3D signal splicing synchronization system according to claim 1, wherein the input of the 3D synchronization signal in the left and right channel separation units of the 3D image is implemented by using a 3D synchronization indication interface and implicit 3D synchronization information inserted through a video timing gap or a special coding manner.

5. The multi-channel 3D signal splicing synchronization system according to claim 1, wherein the output of the 3D synchronization signal in the 3D left and right channel merging output unit is implemented by using a 3D synchronization indication interface and implicit 3D synchronization information inserted through a video timing gap or a special coding manner.

6. The multi-channel 3D signal splicing synchronization system according to claim 4 or 5, wherein the 3D synchronization indication interface

3D SYNC interface of RS232/RS485 or 3 PIN.

7. The multi-channel 3D signal splicing synchronization system according to claim 1, wherein the mode of merging according to the 3D audio/video interface standard of the 3D splicing display unit is a frame continuous format, a left-right format, an up-down format or a left-right channel direct connection mode.

Technical Field

The invention belongs to the technical field of images, and particularly relates to a multi-path 3D signal splicing and synchronizing system.

Background

In recent years, large-screen display technology has been rapidly developed, and particularly, with the wide application of technologies such as AR/VR, the 3D demand is more and more vigorous, and the demand for the 3D display technology is also higher and more. The user does not meet the requirement of large-screen display of traditional single-channel 3D signals, and the splicing of large screens is urgently needed to provide synchronous display of multiple 3D signals; however, the 3D signal has a very high requirement for synchronization, and at present, it is not possible to display multiple non-homologous 3D signals on the same tiled screen wall.

Disclosure of Invention

In view of the defects of the prior art, the invention aims to provide a multi-path 3D signal splicing synchronization system. The system can overcome the defect that the existing 3D splicing technology cannot support multiple paths of non-homologous 3D signals, and the splicing display of the multiple paths of non-homologous 3D signals on the same 3D screen wall is realized.

In order to achieve the purpose, the invention provides a multi-channel 3D signal splicing and synchronizing system which comprises more than two 3D image signal acquisition units, more than two 3D image left and right channel separation units, more than two left channel data frame rate synchronous conversion units, more than two right channel data frame rate synchronous conversion units, a channel link exchange unit, a system frame unit, a left channel splicing processing unit, a right channel splicing processing unit, a 3D left and right channel merging and outputting unit and more than one 3D splicing and displaying unit; the 3D image signal acquisition units, the 3D image left and right channel separation units and the left and right channel data frame rate synchronous conversion units are equal in number; wherein:

the 3D image signal acquisition unit is used for receiving various types of 3D audio and video original signals input by user equipment, processing the signals through internal audio and video digital signals and converting the signals into internal standard data streams;

the 3D image left and right channel separation unit is used for receiving the 3D data stream and the 3D synchronous signal of the 3D image signal acquisition unit, performing data separation on the 3D data stream according to the 3D synchronous signal, and respectively sending out single-channel data streams according to a left channel and a right channel;

the left channel data frame rate and right channel data frame rate synchronous conversion unit is used for respectively receiving the left channel data stream and the right channel data stream which are separated by the left channel and right channel separation unit of the 3D image, receiving a system frame synchronization signal of the system frame unit, and uniformly converting the frame rates of the two input single-channel data streams into the system frame rate so as to achieve the synchronization of any multiple data streams;

the channel link switching unit is used for receiving the single-channel data stream after the left channel data frame rate synchronous conversion unit and the right channel data frame rate synchronous conversion unit are unified, and switching the single-channel data stream to the corresponding left channel splicing processing unit and right channel splicing processing unit according to user configuration;

the left channel splicing processing unit and the right channel splicing processing unit are used for receiving the multi-channel single-channel data streams of the channel link switching unit, decoding the data streams, and respectively superposing, cutting or zooming the multi-channel left channel images and the multi-channel right channel images according to configuration after decoding to realize multi-channel single-channel image splicing;

the system frame unit is used for generating system frame synchronization signals and distributing the system frame synchronization signals to the left channel data frame rate synchronization conversion unit, the right channel data frame rate synchronization conversion unit, the channel link exchange unit, the left channel splicing processing unit, the right channel splicing processing unit and the 3D left channel and right channel merging output unit to ensure that the module paces are consistent;

a 3D left and right channel merging output unit for receiving the left and right channel image data spliced by the left and right channel splicing processing unit, merging and converting the two channels of images according to the 3D audio and video interface standard of the 3D splicing display unit and outputting the merged and converted signals and 3D synchronous signals to the 3D splicing display unit,

and the 3D splicing display unit is used for receiving the 3D signals processed by the 3D left and right channel merging output unit and displaying the 3D signals to a user.

In the invention, the 3D audio and video original signal is a computer display card 3D signal or a 3D camera signal.

In the invention, in the 3D image left and right channel separation unit, the format of the 3D data stream is a frame continuous format, a left and right format,

An up-down format or a left-right channel direct connection mode.

In the invention, the input of the 3D synchronous signal in the left and right channel separation unit of the 3D image is realized by adopting a 3D synchronous indication interface and implicit 3D synchronous information inserted by a video time sequence gap or a special coding mode.

In the invention, the output of the 3D synchronous signal in the 3D left and right channel merging output unit is realized by adopting a 3D synchronous indication interface and implicit 3D synchronous information inserted by a video time sequence gap or a special coding mode.

In the invention, the 3D synchronous indication interface is a 3D SYNC interface of RS232/RS485 or 3 PIN.

In the invention, the mode of merging according to the 3D audio and video interface standard of the 3D splicing display unit is a frame continuous format, a left-right format, an upper-lower format or a left-right channel direct connection mode.

Compared with the prior art, the invention has the beneficial effects that:

the method can carry out image splicing processing on any plurality of non-homologous 3D images, and finally synchronously display the images on one or any plurality of 3D display units; the user can watch a plurality of non-homologous 3D image signals through the 3D glasses, the problem that at present, a plurality of paths of non-homologous 3D signals cannot be synchronously displayed on the same group of 3D screens is solved, and the method has wide application requirements in the fields of military simulation, medical simulation, automobile modeling and the like;

according to the invention, multiple paths of non-homologous 3D image signals can be displayed on one group of display units simultaneously, so that the requirements of the system on display equipment are reduced, a user can conveniently and simultaneously acquire more non-homologous 3D image information, the equipment cost is reduced, the working efficiency is improved, the requirement on the synchronization of a 3D signal source is reduced, and the working efficiency and the use experience of the user are greatly improved.

Drawings

Fig. 1 is a block diagram of a multi-path 3D signal splicing synchronization system.

Reference numbers in the figures: the system comprises a 1-3D image acquisition unit, a 2-3D image left and right channel separation unit, a 3-left channel data frame rate conversion unit, a 4-right channel data frame rate conversion unit, a 5-channel link exchange unit, a 6-system frame unit, a 7-left channel splicing processing unit, an 8-right channel splicing processing unit, a 9-3D left and right channel merging output unit and a 10-3D splicing display unit.

Detailed Description

The invention is explained in more detail below with reference to the figures and examples.