Dome screen geometric correction system

Abstract

The invention discloses a dome screen geometric correction system. The dome screen geometric correction system comprises a display device, a projector, a video server and a camera system, wherein thecamera system is connected with the video server through a network to realize data exchange; the video server is connected with the projector; the projector can project an image picture to the displaydevice, and the display device is connected with the camera system to realize data exchange; the video server and the camera system are connected through a network and exchange information; a specific projection picture is formed according to the characteristics of the dome screen and the like, and then the video server sends projection content to the projector, and the projector projects a complete picture on the dome screen; and the camera system monitors the dome screen in real time, and if the conditions such as picture deformation occur, information is sent to the video server through the network, and the video server automatically performs splicing fusion, and the picture is kept to meet the watching requirement.

Description

technical field [0001] 本发明涉及视频投放领域,具体是一种球幕几何校正系统。 Background technique [0002] 球幕作为一种新颖的大型屏幕投影形式,被越来越多的用于球幕数字影院、球幕天象 仪、军事或者科研的仿真与训练等场合。球幕投影系统的可视角度大(水平可视角度可以 达到360度,垂直可视角度最大可以达到200度以上),具有高度的沉浸感,如果配合仿真软件或者星空软件一起使用,还具备一定的互动性。另外球幕投影技术可以方便的扩展为被动立体显示,可以具备更强的沉浸感。 [0003] 但在实际使用过程中,球幕投影系统在多台投影机图像几何校正还存在缺陷,尤其是 校正图像实现过程复杂,对操作人员的专业水平要求很高,智能化水平低,维护成本高。 [0004] 已有的几何校正系统如 figure 1 ,系统组成由计算机、网络、图形工作站、校正机、智能屏幕和光传感器组成,系统复杂,无法解决投影系统如梯形、弧形,球幕等几何校正问题,各种异形投影面的几何校正,操作繁多,价格昂贵。 Contents of the invention [0005] 本发明的目的在于提供一种球幕几何校正系统,以解决上述背景技术中提出的问题。 [0006] To achieve the above object, the present invention provides the following technical solutions: [0007] 一种球幕几何校正系统,其特征在于,包括显示设备、投影机、视频服务器和摄像机 系统,所述摄像机系统通过网络与视频服务器连接,实现数据交换,所述视频服务器与投 影机连接,投影机可将影像画面投射至显示设备上,所述显示设备与摄像机系统连接,可 实现数据交换; [0008] 所述视频服务器和摄像机系统通过网络连接,交换信息,根据球幕等特点,形成一个 特定的投影画面,然后视频服务器将投影内容发送给投影机,投影机在球幕上投影出完整 画面;摄像机系统将实时对球幕进行监测,如果发成画面变形等情况,通过网络把信息发 送给视频服务器,视频服务器自动进行拼接融合,保持画面满足观看要求。 [0009] 与现有技术相比,本发明的有益效果是:本发明解决了投影系统如梯形、弧形,球...

AI Technical Summary

Problems solved by technology

[0003] However, in actual use, the dome projection system still has defects in the image geometric correction of multiple projectors, especially the complex process of correcting the image, which requires a high professional level of operators, low level of intelligence, and high maintenance costs.

[0004] Existing geometric correction systems such as figure 1 , the system is composed of computer, network, graphics workstation, correction machine, smart screen and light sensor. many, expensive

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