计算机科学 ›› 2015, Vol. 42 ›› Issue (9): 285-288.doi: 10.11896/j.issn.1002-137X.2015.09.056
李晓光,刘宏哲,袁家政
LI Xiao-guang, LIU Hong-zhe and YUAN Jia-zheng
摘要： 介绍了GPU高速并行运算及其对数字图像、视频处理的重要作用。针对多通道环幕投影系统,采用CPU与GPU组合的异构计算结构,提出了一种视频实时处理方案。该方案通过DirectShow的链路模型保证了视频处理的灵活性,设计并采用可用于并行运算的几何校正、边缘融合算法,提升了视频处理的高效性。这一构架可以用于单通道4k格式视频的高质量效果展示,同时能有效降低构建成本,提高系统的经济实用性。
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