“对汛情做出正确的评估分析”和“采取及时有效的应急措施”对防汛安全至关重要,也是异地会商系统的重要作用之一。大屏作为视频图像显示的最终载体,决定着与会者的直观感受,影响着异地会商系统的实际使用效果。防汛会商对大屏操作的方便性和快捷性要求较高,对屏幕显示的清晰度、亮度、对比度及色彩表现力等方面有一定要求。大屏较佳的显示效果以及对信号处理的集中化和自动化控 “Correct assessment of the flood ” and “take timely and effective emergency measures ” is essential for flood control and safety, but also one of the important role of consultation system in different places. Large screen as the ultimate carrier of video image display, determines the intuitive experience of participants, affecting the actual use of remote consultation system effect. Flood control conference on the operation of large-screen operation of the convenience and speed of higher requirements on the screen display clarity, brightness, contrast and color expressive aspects of certain requirements. Big screen better display and signal processing of the centralized and automated control