在视频会议系统中,为了减轻由图像放大引入的高频失真和噪声放大问题,该文设计并实现了具有显卡硬件自适应能力的高性能图像显示策略,用于替换传统的GDI显示方式。利用直接写屏和DSP运算放大技术,可以显著提高显示速度和放大质量。 In the video conferencing system, in order to reduce the high frequency distortion and noise amplification introduced by image magnification, this paper designs and implements a high performance image display strategy with hardware adaptability of graphics hardware, which is used to replace the traditional GDI display mode. Using direct write screen and DSP op-amp technology, can significantly improve the display speed and zoom quality.